From 5a59223335a342d311ab8e35aa5174a276eff0cb Mon Sep 17 00:00:00 2001 From: M Samuel Vijaykumar Date: Mon, 6 Jan 2025 22:08:45 +0530 Subject: [PATCH 1/4] Adding sidecars to nodepools for any additional functionality Signed-off-by: M Samuel Vijaykumar --- .../api/v1/opensearch_types.go | 2 + .../api/v1/zz_generated.deepcopy.go | 7 + ...ensearch.opster.io_opensearchclusters.yaml | 1309 +++++++++++++++++ opensearch-operator/pkg/builders/cluster.go | 4 +- .../pkg/builders/cluster_test.go | 45 +- 5 files changed, 1363 insertions(+), 4 deletions(-) diff --git a/opensearch-operator/api/v1/opensearch_types.go b/opensearch-operator/api/v1/opensearch_types.go index 7da1e55a..3ec7d3f3 100644 --- a/opensearch-operator/api/v1/opensearch_types.go +++ b/opensearch-operator/api/v1/opensearch_types.go @@ -124,6 +124,8 @@ type NodePool struct { PriorityClassName string `json:"priorityClassName,omitempty"` Pdb *PdbConfig `json:"pdb,omitempty"` Probes *ProbesConfig `json:"probes,omitempty"` + // Sidecars defines the sidecar containers to be added to the nodepool pods + Sidecars []corev1.Container `json:"sidecars,omitempty"` } // PersistencConfig defines options for data persistence diff --git a/opensearch-operator/api/v1/zz_generated.deepcopy.go b/opensearch-operator/api/v1/zz_generated.deepcopy.go index fb0068d7..c06c28f5 100644 --- a/opensearch-operator/api/v1/zz_generated.deepcopy.go +++ b/opensearch-operator/api/v1/zz_generated.deepcopy.go @@ -1096,6 +1096,13 @@ func (in *NodePool) DeepCopyInto(out *NodePool) { *out = new(ProbesConfig) (*in).DeepCopyInto(*out) } + if in.Sidecars != nil { + in, out := &in.Sidecars, &out.Sidecars + *out = make([]corev1.Container, len(*in)) + for i := range *in { + (*in)[i].DeepCopyInto(&(*out)[i]) + } + } } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodePool. diff --git a/opensearch-operator/config/crd/bases/opensearch.opster.io_opensearchclusters.yaml b/opensearch-operator/config/crd/bases/opensearch.opster.io_opensearchclusters.yaml index b329b1bc..bd604ffe 100644 --- a/opensearch-operator/config/crd/bases/opensearch.opster.io_opensearchclusters.yaml +++ b/opensearch-operator/config/crd/bases/opensearch.opster.io_opensearchclusters.yaml @@ -4993,6 +4993,1315 @@ spec: items: type: string type: array + sidecars: + description: Sidecars defines the sidecar containers to be added + to the nodepool pods + items: + description: A single application container that you want + to run within a pod. + properties: + args: + description: |- + Arguments to the entrypoint. + The container image's CMD is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + command: + description: |- + Entrypoint array. Not executed within a shell. + The container image's ENTRYPOINT is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + env: + description: |- + List of environment variables to set in the container. + Cannot be updated. + items: + description: EnvVar represents an environment variable + present in a Container. + properties: + name: + description: Name of the environment variable. Must + be a C_IDENTIFIER. + type: string + value: + description: |- + Variable references $(VAR_NAME) are expanded + using the previously defined environment variables in the container and + any service environment variables. If a variable cannot be resolved, + the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. + "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)". + Escaped references will never be expanded, regardless of whether the variable + exists or not. + Defaults to "". + type: string + valueFrom: + description: Source for the environment variable's + value. Cannot be used if value is not empty. + properties: + configMapKeyRef: + description: Selects a key of a ConfigMap. + properties: + key: + description: The key to select. + type: string + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the ConfigMap + or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + fieldRef: + description: |- + Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels['']`, `metadata.annotations['']`, + spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs. + properties: + apiVersion: + description: Version of the schema the FieldPath + is written in terms of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to select + in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported. + properties: + containerName: + description: 'Container name: required for + volumes, optional for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output format + of the exposed resources, defaults to + "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + secretKeyRef: + description: Selects a key of a secret in the + pod's namespace + properties: + key: + description: The key of the secret to select + from. Must be a valid secret key. + type: string + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the Secret + or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + type: object + required: + - name + type: object + type: array + envFrom: + description: |- + List of sources to populate environment variables in the container. + The keys defined within a source must be a C_IDENTIFIER. All invalid keys + will be reported as an event when the container is starting. When a key exists in multiple + sources, the value associated with the last source will take precedence. + Values defined by an Env with a duplicate key will take precedence. + Cannot be updated. + items: + description: EnvFromSource represents the source of + a set of ConfigMaps + properties: + configMapRef: + description: The ConfigMap to select from + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the ConfigMap must + be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + prefix: + description: An optional identifier to prepend to + each key in the ConfigMap. Must be a C_IDENTIFIER. + type: string + secretRef: + description: The Secret to select from + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the Secret must + be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + type: object + type: array + image: + description: |- + Container image name. + More info: https://kubernetes.io/docs/concepts/containers/images + This field is optional to allow higher level config management to default or override + container images in workload controllers like Deployments and StatefulSets. + type: string + imagePullPolicy: + description: |- + Image pull policy. + One of Always, Never, IfNotPresent. + Defaults to Always if :latest tag is specified, or IfNotPresent otherwise. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/containers/images#updating-images + type: string + lifecycle: + description: |- + Actions that the management system should take in response to container lifecycle events. + Cannot be updated. + properties: + postStart: + description: |- + PostStart is called immediately after a container is created. If the handler fails, + the container is terminated and restarted according to its restart policy. + Other management of the container blocks until the hook completes. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + httpGet: + description: HTTPGet specifies the http request + to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the + request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom + header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for the backward compatibility. There are no validation of this field and + lifecycle hooks will fail in runtime when tcp handler is specified. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + preStop: + description: |- + PreStop is called immediately before a container is terminated due to an + API request or management event such as liveness/startup probe failure, + preemption, resource contention, etc. The handler is not called if the + container crashes or exits. The Pod's termination grace period countdown begins before the + PreStop hook is executed. Regardless of the outcome of the handler, the + container will eventually terminate within the Pod's termination grace + period (unless delayed by finalizers). Other management of the container blocks until the hook completes + or until the termination grace period is reached. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + httpGet: + description: HTTPGet specifies the http request + to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the + request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom + header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for the backward compatibility. There are no validation of this field and + lifecycle hooks will fail in runtime when tcp handler is specified. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + type: object + livenessProbe: + description: |- + Periodic probe of container liveness. + Container will be restarted if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving a + GRPC port. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies the http request to + perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. + HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header + to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving + a TCP port. + properties: + host: + description: 'Optional: Host name to connect to, + defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + name: + description: |- + Name of the container specified as a DNS_LABEL. + Each container in a pod must have a unique name (DNS_LABEL). + Cannot be updated. + type: string + ports: + description: |- + List of ports to expose from the container. Not specifying a port here + DOES NOT prevent that port from being exposed. Any port which is + listening on the default "0.0.0.0" address inside a container will be + accessible from the network. + Modifying this array with strategic merge patch may corrupt the data. + For more information See https://github.com/kubernetes/kubernetes/issues/108255. + Cannot be updated. + items: + description: ContainerPort represents a network port + in a single container. + properties: + containerPort: + description: |- + Number of port to expose on the pod's IP address. + This must be a valid port number, 0 < x < 65536. + format: int32 + type: integer + hostIP: + description: What host IP to bind the external port + to. + type: string + hostPort: + description: |- + Number of port to expose on the host. + If specified, this must be a valid port number, 0 < x < 65536. + If HostNetwork is specified, this must match ContainerPort. + Most containers do not need this. + format: int32 + type: integer + name: + description: |- + If specified, this must be an IANA_SVC_NAME and unique within the pod. Each + named port in a pod must have a unique name. Name for the port that can be + referred to by services. + type: string + protocol: + default: TCP + description: |- + Protocol for port. Must be UDP, TCP, or SCTP. + Defaults to "TCP". + type: string + required: + - containerPort + type: object + type: array + x-kubernetes-list-map-keys: + - containerPort + - protocol + x-kubernetes-list-type: map + readinessProbe: + description: |- + Periodic probe of container service readiness. + Container will be removed from service endpoints if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving a + GRPC port. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies the http request to + perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. + HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header + to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving + a TCP port. + properties: + host: + description: 'Optional: Host name to connect to, + defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + resizePolicy: + description: Resources resize policy for the container. + items: + description: ContainerResizePolicy represents resource + resize policy for the container. + properties: + resourceName: + description: |- + Name of the resource to which this resource resize policy applies. + Supported values: cpu, memory. + type: string + restartPolicy: + description: |- + Restart policy to apply when specified resource is resized. + If not specified, it defaults to NotRequired. + type: string + required: + - resourceName + - restartPolicy + type: object + type: array + x-kubernetes-list-type: atomic + resources: + description: |- + Compute Resources required by this container. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + properties: + claims: + description: |- + Claims lists the names of resources, defined in spec.resourceClaims, + that are used by this container. + + + This is an alpha field and requires enabling the + DynamicResourceAllocation feature gate. + + + This field is immutable. It can only be set for containers. + items: + description: ResourceClaim references one entry + in PodSpec.ResourceClaims. + properties: + name: + description: |- + Name must match the name of one entry in pod.spec.resourceClaims of + the Pod where this field is used. It makes that resource available + inside a container. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + securityContext: + description: |- + SecurityContext defines the security options the container should be run with. + If set, the fields of SecurityContext override the equivalent fields of PodSecurityContext. + More info: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/ + properties: + allowPrivilegeEscalation: + description: |- + AllowPrivilegeEscalation controls whether a process can gain more + privileges than its parent process. This bool directly controls if + the no_new_privs flag will be set on the container process. + AllowPrivilegeEscalation is true always when the container is: + 1) run as Privileged + 2) has CAP_SYS_ADMIN + Note that this field cannot be set when spec.os.name is windows. + type: boolean + capabilities: + description: |- + The capabilities to add/drop when running containers. + Defaults to the default set of capabilities granted by the container runtime. + Note that this field cannot be set when spec.os.name is windows. + properties: + add: + description: Added capabilities + items: + description: Capability represent POSIX capabilities + type + type: string + type: array + drop: + description: Removed capabilities + items: + description: Capability represent POSIX capabilities + type + type: string + type: array + type: object + privileged: + description: |- + Run container in privileged mode. + Processes in privileged containers are essentially equivalent to root on the host. + Defaults to false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + procMount: + description: |- + procMount denotes the type of proc mount to use for the containers. + The default is DefaultProcMount which uses the container runtime defaults for + readonly paths and masked paths. + This requires the ProcMountType feature flag to be enabled. + Note that this field cannot be set when spec.os.name is windows. + type: string + readOnlyRootFilesystem: + description: |- + Whether this container has a read-only root filesystem. + Default is false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + runAsGroup: + description: |- + The GID to run the entrypoint of the container process. + Uses runtime default if unset. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + runAsNonRoot: + description: |- + Indicates that the container must run as a non-root user. + If true, the Kubelet will validate the image at runtime to ensure that it + does not run as UID 0 (root) and fail to start the container if it does. + If unset or false, no such validation will be performed. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: boolean + runAsUser: + description: |- + The UID to run the entrypoint of the container process. + Defaults to user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + seLinuxOptions: + description: |- + The SELinux context to be applied to the container. + If unspecified, the container runtime will allocate a random SELinux context for each + container. May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + properties: + level: + description: Level is SELinux level label that + applies to the container. + type: string + role: + description: Role is a SELinux role label that + applies to the container. + type: string + type: + description: Type is a SELinux type label that + applies to the container. + type: string + user: + description: User is a SELinux user label that + applies to the container. + type: string + type: object + seccompProfile: + description: |- + The seccomp options to use by this container. If seccomp options are + provided at both the pod & container level, the container options + override the pod options. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile defined in a file on the node should be used. + The profile must be preconfigured on the node to work. + Must be a descending path, relative to the kubelet's configured seccomp profile location. + Must only be set if type is "Localhost". + type: string + type: + description: |- + type indicates which kind of seccomp profile will be applied. + Valid options are: + + + Localhost - a profile defined in a file on the node should be used. + RuntimeDefault - the container runtime default profile should be used. + Unconfined - no profile should be applied. + type: string + required: + - type + type: object + windowsOptions: + description: |- + The Windows specific settings applied to all containers. + If unspecified, the options from the PodSecurityContext will be used. + If set in both SecurityContext and PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is linux. + properties: + gmsaCredentialSpec: + description: |- + GMSACredentialSpec is where the GMSA admission webhook + (https://github.com/kubernetes-sigs/windows-gmsa) inlines the contents of the + GMSA credential spec named by the GMSACredentialSpecName field. + type: string + gmsaCredentialSpecName: + description: GMSACredentialSpecName is the name + of the GMSA credential spec to use. + type: string + hostProcess: + description: |- + HostProcess determines if a container should be run as a 'Host Process' container. + This field is alpha-level and will only be honored by components that enable the + WindowsHostProcessContainers feature flag. Setting this field without the feature + flag will result in errors when validating the Pod. All of a Pod's containers must + have the same effective HostProcess value (it is not allowed to have a mix of HostProcess + containers and non-HostProcess containers). In addition, if HostProcess is true + then HostNetwork must also be set to true. + type: boolean + runAsUserName: + description: |- + The UserName in Windows to run the entrypoint of the container process. + Defaults to the user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: string + type: object + type: object + startupProbe: + description: |- + StartupProbe indicates that the Pod has successfully initialized. + If specified, no other probes are executed until this completes successfully. + If this probe fails, the Pod will be restarted, just as if the livenessProbe failed. + This can be used to provide different probe parameters at the beginning of a Pod's lifecycle, + when it might take a long time to load data or warm a cache, than during steady-state operation. + This cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving a + GRPC port. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies the http request to + perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. + HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header + to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving + a TCP port. + properties: + host: + description: 'Optional: Host name to connect to, + defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + stdin: + description: |- + Whether this container should allocate a buffer for stdin in the container runtime. If this + is not set, reads from stdin in the container will always result in EOF. + Default is false. + type: boolean + stdinOnce: + description: |- + Whether the container runtime should close the stdin channel after it has been opened by + a single attach. When stdin is true the stdin stream will remain open across multiple attach + sessions. If stdinOnce is set to true, stdin is opened on container start, is empty until the + first client attaches to stdin, and then remains open and accepts data until the client disconnects, + at which time stdin is closed and remains closed until the container is restarted. If this + flag is false, a container processes that reads from stdin will never receive an EOF. + Default is false + type: boolean + terminationMessagePath: + description: |- + Optional: Path at which the file to which the container's termination message + will be written is mounted into the container's filesystem. + Message written is intended to be brief final status, such as an assertion failure message. + Will be truncated by the node if greater than 4096 bytes. The total message length across + all containers will be limited to 12kb. + Defaults to /dev/termination-log. + Cannot be updated. + type: string + terminationMessagePolicy: + description: |- + Indicate how the termination message should be populated. File will use the contents of + terminationMessagePath to populate the container status message on both success and failure. + FallbackToLogsOnError will use the last chunk of container log output if the termination + message file is empty and the container exited with an error. + The log output is limited to 2048 bytes or 80 lines, whichever is smaller. + Defaults to File. + Cannot be updated. + type: string + tty: + description: |- + Whether this container should allocate a TTY for itself, also requires 'stdin' to be true. + Default is false. + type: boolean + volumeDevices: + description: volumeDevices is the list of block devices + to be used by the container. + items: + description: volumeDevice describes a mapping of a raw + block device within a container. + properties: + devicePath: + description: devicePath is the path inside of the + container that the device will be mapped to. + type: string + name: + description: name must match the name of a persistentVolumeClaim + in the pod + type: string + required: + - devicePath + - name + type: object + type: array + volumeMounts: + description: |- + Pod volumes to mount into the container's filesystem. + Cannot be updated. + items: + description: VolumeMount describes a mounting of a Volume + within a container. + properties: + mountPath: + description: |- + Path within the container at which the volume should be mounted. Must + not contain ':'. + type: string + mountPropagation: + description: |- + mountPropagation determines how mounts are propagated from the host + to container and the other way around. + When not set, MountPropagationNone is used. + This field is beta in 1.10. + type: string + name: + description: This must match the Name of a Volume. + type: string + readOnly: + description: |- + Mounted read-only if true, read-write otherwise (false or unspecified). + Defaults to false. + type: boolean + subPath: + description: |- + Path within the volume from which the container's volume should be mounted. + Defaults to "" (volume's root). + type: string + subPathExpr: + description: |- + Expanded path within the volume from which the container's volume should be mounted. + Behaves similarly to SubPath but environment variable references $(VAR_NAME) are expanded using the container's environment. + Defaults to "" (volume's root). + SubPathExpr and SubPath are mutually exclusive. + type: string + required: + - mountPath + - name + type: object + type: array + workingDir: + description: |- + Container's working directory. + If not specified, the container runtime's default will be used, which + might be configured in the container image. + Cannot be updated. + type: string + required: + - name + type: object + type: array tolerations: items: description: |- diff --git a/opensearch-operator/pkg/builders/cluster.go b/opensearch-operator/pkg/builders/cluster.go index 0c5c2f76..f38e4ab0 100644 --- a/opensearch-operator/pkg/builders/cluster.go +++ b/opensearch-operator/pkg/builders/cluster.go @@ -465,7 +465,7 @@ func NewSTSForNodePool( Annotations: annotations, }, Spec: corev1.PodSpec{ - Containers: []corev1.Container{ + Containers: append([]corev1.Container{ { Env: []corev1.EnvVar{ { @@ -523,7 +523,7 @@ func NewSTSForNodePool( VolumeMounts: volumeMounts, SecurityContext: securityContext, }, - }, + }, node.Sidecars...), InitContainers: initContainers, Volumes: volumes, ServiceAccountName: cr.Spec.General.ServiceAccount, diff --git a/opensearch-operator/pkg/builders/cluster_test.go b/opensearch-operator/pkg/builders/cluster_test.go index bd6f8824..1ca29dea 100644 --- a/opensearch-operator/pkg/builders/cluster_test.go +++ b/opensearch-operator/pkg/builders/cluster_test.go @@ -292,7 +292,6 @@ var _ = Describe("Builders", func() { clusterObject.Spec.General.PodSecurityContext = podSecurityContext clusterObject.Spec.General.SecurityContext = securityContext nodePool := opsterv1.NodePool{ - Replicas: 3, Component: "masters", Roles: []string{"cluster_manager", "data"}, } @@ -304,7 +303,6 @@ var _ = Describe("Builders", func() { It("should use default storageclass if not specified", func() { clusterObject := ClusterDescWithVersion("2.2.1") nodePool := opsterv1.NodePool{ - Replicas: 3, Component: "masters", Roles: []string{"cluster_manager", "data"}, Persistence: &opsterv1.PersistenceConfig{PersistenceSource: opsterv1.PersistenceSource{ @@ -401,6 +399,49 @@ var _ = Describe("Builders", func() { Value: "-Xmx1024M -Xms1024M -Dopensearch.transport.cname_in_publish_address=true", })) }) + It("should only use valid roles", func() { + clusterObject := ClusterDescWithVersion("2.2.1") + result := NewSTSForNodePool("foobar", &clusterObject, opsterv1.NodePool{ + Roles: []string{"cluster_manager", "data", "invalid"}, + }, "foobar", nil, nil, nil) + Expect(len(result.Spec.Template.Spec.Containers[0].Env)).To(Equal(8)) + for _, env := range result.Spec.Template.Spec.Containers[0].Env { + if env.Name == "node.roles" { + Expect(env.Value).To(Equal("cluster_manager,data")) + } + } + }) + It("should include sidecar containers when specified", func() { + clusterObject := ClusterDescWithVersion("2.2.1") + sidecar := corev1.Container{ + Name: "sidecar", + Image: "sidecar:latest", + } + result := NewSTSForNodePool("foobar", &clusterObject, opsterv1.NodePool{ + Roles: []string{"cluster_manager"}, + Sidecars: []corev1.Container{sidecar}, + }, "foobar", nil, nil, nil) + Expect(len(result.Spec.Template.Spec.Containers)).To(Equal(2)) + Expect(result.Spec.Template.Spec.Containers[1].Name).To(Equal("sidecar")) + }) + It("should include multiple sidecar containers when specified", func() { + clusterObject := ClusterDescWithVersion("2.2.1") + sidecar1 := corev1.Container{ + Name: "sidecar1", + Image: "sidecar1:latest", + } + sidecar2 := corev1.Container{ + Name: "sidecar2", + Image: "sidecar2:latest", + } + result := NewSTSForNodePool("foobar", &clusterObject, opsterv1.NodePool{ + Roles: []string{"cluster_manager"}, + Sidecars: []corev1.Container{sidecar1, sidecar2}, + }, "foobar", nil, nil, nil) + Expect(len(result.Spec.Template.Spec.Containers)).To(Equal(3)) + Expect(result.Spec.Template.Spec.Containers[1].Name).To(Equal("sidecar1")) + Expect(result.Spec.Template.Spec.Containers[2].Name).To(Equal("sidecar2")) + }) }) When("Constructing a bootstrap pod", func() { From c0440b44546d440597101662290ca333ea760aca Mon Sep 17 00:00:00 2001 From: M Samuel Vijaykumar Date: Mon, 6 Jan 2025 22:25:48 +0530 Subject: [PATCH 2/4] Added documentation for sidecar containers feature Signed-off-by: M Samuel Vijaykumar --- docs/designs/crd.md | 6 ++++++ docs/userguide/main.md | 42 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+) diff --git a/docs/designs/crd.md b/docs/designs/crd.md index 52bb82b1..d90d984b 100644 --- a/docs/designs/crd.md +++ b/docs/designs/crd.md @@ -550,6 +550,12 @@ Every NodePool is defining different Opensearch Nodes StatefulSet Updates the probes timeouts and thresholds config false - + + sidecars + []object + List of sidecar containers to be attached to the OpenSearch node pods. Each sidecar follows the Kubernetes container spec. + false + - diff --git a/docs/userguide/main.md b/docs/userguide/main.md index 62a579a0..2c3e3417 100644 --- a/docs/userguide/main.md +++ b/docs/userguide/main.md @@ -1432,3 +1432,45 @@ spec: ``` Note: the `.spec.name` is immutable, meaning that it cannot be changed after the resources have been deployed to a Kubernetes cluster + +## Adding sidecar containers + +You can add sidecar containers to your OpenSearch node pods. This is useful for running additional services alongside OpenSearch, such as log collectors, metrics exporters, or custom monitoring agents. Here's an example: + +```yaml +apiVersion: opensearch.opster.io/v1 +kind: OpenSearchCluster +metadata: + name: my-cluster +spec: + nodePools: + - component: masters + replicas: 3 + diskSize: "5Gi" + sidecars: + - name: log-collector + image: fluent/fluent-bit:latest + resources: + requests: + memory: "64Mi" + cpu: "100m" + limits: + memory: "128Mi" + cpu: "200m" + - name: metrics-exporter + image: prom/node-exporter:latest + ports: + - containerPort: 9100 + name: metrics +``` + +Each sidecar container follows the standard Kubernetes container specification, allowing you to configure: +- Container image and version +- Resource requests and limits +- Environment variables +- Volume mounts +- Ports +- Command and arguments +- Security context + +Sidecar containers are deployed alongside the OpenSearch containers in the same pod, sharing the same network namespace and allowing for localhost communication. From 84ef38c37101d4ec2cd6abafe7111f5b0bde045f Mon Sep 17 00:00:00 2001 From: M Samuel Vijaykumar Date: Mon, 6 Jan 2025 23:04:29 +0530 Subject: [PATCH 3/4] test: Add Replicas field back to nodePool in cluster tests Signed-off-by: M Samuel Vijaykumar --- opensearch-operator/pkg/builders/cluster_test.go | 2 ++ 1 file changed, 2 insertions(+) diff --git a/opensearch-operator/pkg/builders/cluster_test.go b/opensearch-operator/pkg/builders/cluster_test.go index 1ca29dea..fa5069a6 100644 --- a/opensearch-operator/pkg/builders/cluster_test.go +++ b/opensearch-operator/pkg/builders/cluster_test.go @@ -292,6 +292,7 @@ var _ = Describe("Builders", func() { clusterObject.Spec.General.PodSecurityContext = podSecurityContext clusterObject.Spec.General.SecurityContext = securityContext nodePool := opsterv1.NodePool{ + Replicas: 3, Component: "masters", Roles: []string{"cluster_manager", "data"}, } @@ -303,6 +304,7 @@ var _ = Describe("Builders", func() { It("should use default storageclass if not specified", func() { clusterObject := ClusterDescWithVersion("2.2.1") nodePool := opsterv1.NodePool{ + Replicas: 3, Component: "masters", Roles: []string{"cluster_manager", "data"}, Persistence: &opsterv1.PersistenceConfig{PersistenceSource: opsterv1.PersistenceSource{ From 310c0861aeb27d33bbf2c35776fcbb6814f19694 Mon Sep 17 00:00:00 2001 From: M Samuel Vijaykumar Date: Mon, 3 Feb 2025 15:26:51 +0530 Subject: [PATCH 4/4] Adding sidecar changes to charts Signed-off-by: M Samuel Vijaykumar --- ...ensearch.opster.io_opensearchclusters.yaml | 1309 +++++++++++++++++ 1 file changed, 1309 insertions(+) diff --git a/charts/opensearch-operator/files/opensearch.opster.io_opensearchclusters.yaml b/charts/opensearch-operator/files/opensearch.opster.io_opensearchclusters.yaml index b329b1bc..bd604ffe 100644 --- a/charts/opensearch-operator/files/opensearch.opster.io_opensearchclusters.yaml +++ b/charts/opensearch-operator/files/opensearch.opster.io_opensearchclusters.yaml @@ -4993,6 +4993,1315 @@ spec: items: type: string type: array + sidecars: + description: Sidecars defines the sidecar containers to be added + to the nodepool pods + items: + description: A single application container that you want + to run within a pod. + properties: + args: + description: |- + Arguments to the entrypoint. + The container image's CMD is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + command: + description: |- + Entrypoint array. Not executed within a shell. + The container image's ENTRYPOINT is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + env: + description: |- + List of environment variables to set in the container. + Cannot be updated. + items: + description: EnvVar represents an environment variable + present in a Container. + properties: + name: + description: Name of the environment variable. Must + be a C_IDENTIFIER. + type: string + value: + description: |- + Variable references $(VAR_NAME) are expanded + using the previously defined environment variables in the container and + any service environment variables. If a variable cannot be resolved, + the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. + "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)". + Escaped references will never be expanded, regardless of whether the variable + exists or not. + Defaults to "". + type: string + valueFrom: + description: Source for the environment variable's + value. Cannot be used if value is not empty. + properties: + configMapKeyRef: + description: Selects a key of a ConfigMap. + properties: + key: + description: The key to select. + type: string + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the ConfigMap + or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + fieldRef: + description: |- + Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels['']`, `metadata.annotations['']`, + spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs. + properties: + apiVersion: + description: Version of the schema the FieldPath + is written in terms of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to select + in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported. + properties: + containerName: + description: 'Container name: required for + volumes, optional for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output format + of the exposed resources, defaults to + "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + secretKeyRef: + description: Selects a key of a secret in the + pod's namespace + properties: + key: + description: The key of the secret to select + from. Must be a valid secret key. + type: string + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the Secret + or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + type: object + required: + - name + type: object + type: array + envFrom: + description: |- + List of sources to populate environment variables in the container. + The keys defined within a source must be a C_IDENTIFIER. All invalid keys + will be reported as an event when the container is starting. When a key exists in multiple + sources, the value associated with the last source will take precedence. + Values defined by an Env with a duplicate key will take precedence. + Cannot be updated. + items: + description: EnvFromSource represents the source of + a set of ConfigMaps + properties: + configMapRef: + description: The ConfigMap to select from + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the ConfigMap must + be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + prefix: + description: An optional identifier to prepend to + each key in the ConfigMap. Must be a C_IDENTIFIER. + type: string + secretRef: + description: The Secret to select from + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the Secret must + be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + type: object + type: array + image: + description: |- + Container image name. + More info: https://kubernetes.io/docs/concepts/containers/images + This field is optional to allow higher level config management to default or override + container images in workload controllers like Deployments and StatefulSets. + type: string + imagePullPolicy: + description: |- + Image pull policy. + One of Always, Never, IfNotPresent. + Defaults to Always if :latest tag is specified, or IfNotPresent otherwise. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/containers/images#updating-images + type: string + lifecycle: + description: |- + Actions that the management system should take in response to container lifecycle events. + Cannot be updated. + properties: + postStart: + description: |- + PostStart is called immediately after a container is created. If the handler fails, + the container is terminated and restarted according to its restart policy. + Other management of the container blocks until the hook completes. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + httpGet: + description: HTTPGet specifies the http request + to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the + request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom + header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for the backward compatibility. There are no validation of this field and + lifecycle hooks will fail in runtime when tcp handler is specified. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + preStop: + description: |- + PreStop is called immediately before a container is terminated due to an + API request or management event such as liveness/startup probe failure, + preemption, resource contention, etc. The handler is not called if the + container crashes or exits. The Pod's termination grace period countdown begins before the + PreStop hook is executed. Regardless of the outcome of the handler, the + container will eventually terminate within the Pod's termination grace + period (unless delayed by finalizers). Other management of the container blocks until the hook completes + or until the termination grace period is reached. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + httpGet: + description: HTTPGet specifies the http request + to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the + request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom + header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for the backward compatibility. There are no validation of this field and + lifecycle hooks will fail in runtime when tcp handler is specified. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + type: object + livenessProbe: + description: |- + Periodic probe of container liveness. + Container will be restarted if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving a + GRPC port. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies the http request to + perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. + HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header + to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving + a TCP port. + properties: + host: + description: 'Optional: Host name to connect to, + defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + name: + description: |- + Name of the container specified as a DNS_LABEL. + Each container in a pod must have a unique name (DNS_LABEL). + Cannot be updated. + type: string + ports: + description: |- + List of ports to expose from the container. Not specifying a port here + DOES NOT prevent that port from being exposed. Any port which is + listening on the default "0.0.0.0" address inside a container will be + accessible from the network. + Modifying this array with strategic merge patch may corrupt the data. + For more information See https://github.com/kubernetes/kubernetes/issues/108255. + Cannot be updated. + items: + description: ContainerPort represents a network port + in a single container. + properties: + containerPort: + description: |- + Number of port to expose on the pod's IP address. + This must be a valid port number, 0 < x < 65536. + format: int32 + type: integer + hostIP: + description: What host IP to bind the external port + to. + type: string + hostPort: + description: |- + Number of port to expose on the host. + If specified, this must be a valid port number, 0 < x < 65536. + If HostNetwork is specified, this must match ContainerPort. + Most containers do not need this. + format: int32 + type: integer + name: + description: |- + If specified, this must be an IANA_SVC_NAME and unique within the pod. Each + named port in a pod must have a unique name. Name for the port that can be + referred to by services. + type: string + protocol: + default: TCP + description: |- + Protocol for port. Must be UDP, TCP, or SCTP. + Defaults to "TCP". + type: string + required: + - containerPort + type: object + type: array + x-kubernetes-list-map-keys: + - containerPort + - protocol + x-kubernetes-list-type: map + readinessProbe: + description: |- + Periodic probe of container service readiness. + Container will be removed from service endpoints if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving a + GRPC port. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies the http request to + perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. + HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header + to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving + a TCP port. + properties: + host: + description: 'Optional: Host name to connect to, + defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + resizePolicy: + description: Resources resize policy for the container. + items: + description: ContainerResizePolicy represents resource + resize policy for the container. + properties: + resourceName: + description: |- + Name of the resource to which this resource resize policy applies. + Supported values: cpu, memory. + type: string + restartPolicy: + description: |- + Restart policy to apply when specified resource is resized. + If not specified, it defaults to NotRequired. + type: string + required: + - resourceName + - restartPolicy + type: object + type: array + x-kubernetes-list-type: atomic + resources: + description: |- + Compute Resources required by this container. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + properties: + claims: + description: |- + Claims lists the names of resources, defined in spec.resourceClaims, + that are used by this container. + + + This is an alpha field and requires enabling the + DynamicResourceAllocation feature gate. + + + This field is immutable. It can only be set for containers. + items: + description: ResourceClaim references one entry + in PodSpec.ResourceClaims. + properties: + name: + description: |- + Name must match the name of one entry in pod.spec.resourceClaims of + the Pod where this field is used. It makes that resource available + inside a container. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + securityContext: + description: |- + SecurityContext defines the security options the container should be run with. + If set, the fields of SecurityContext override the equivalent fields of PodSecurityContext. + More info: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/ + properties: + allowPrivilegeEscalation: + description: |- + AllowPrivilegeEscalation controls whether a process can gain more + privileges than its parent process. This bool directly controls if + the no_new_privs flag will be set on the container process. + AllowPrivilegeEscalation is true always when the container is: + 1) run as Privileged + 2) has CAP_SYS_ADMIN + Note that this field cannot be set when spec.os.name is windows. + type: boolean + capabilities: + description: |- + The capabilities to add/drop when running containers. + Defaults to the default set of capabilities granted by the container runtime. + Note that this field cannot be set when spec.os.name is windows. + properties: + add: + description: Added capabilities + items: + description: Capability represent POSIX capabilities + type + type: string + type: array + drop: + description: Removed capabilities + items: + description: Capability represent POSIX capabilities + type + type: string + type: array + type: object + privileged: + description: |- + Run container in privileged mode. + Processes in privileged containers are essentially equivalent to root on the host. + Defaults to false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + procMount: + description: |- + procMount denotes the type of proc mount to use for the containers. + The default is DefaultProcMount which uses the container runtime defaults for + readonly paths and masked paths. + This requires the ProcMountType feature flag to be enabled. + Note that this field cannot be set when spec.os.name is windows. + type: string + readOnlyRootFilesystem: + description: |- + Whether this container has a read-only root filesystem. + Default is false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + runAsGroup: + description: |- + The GID to run the entrypoint of the container process. + Uses runtime default if unset. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + runAsNonRoot: + description: |- + Indicates that the container must run as a non-root user. + If true, the Kubelet will validate the image at runtime to ensure that it + does not run as UID 0 (root) and fail to start the container if it does. + If unset or false, no such validation will be performed. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: boolean + runAsUser: + description: |- + The UID to run the entrypoint of the container process. + Defaults to user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + seLinuxOptions: + description: |- + The SELinux context to be applied to the container. + If unspecified, the container runtime will allocate a random SELinux context for each + container. May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + properties: + level: + description: Level is SELinux level label that + applies to the container. + type: string + role: + description: Role is a SELinux role label that + applies to the container. + type: string + type: + description: Type is a SELinux type label that + applies to the container. + type: string + user: + description: User is a SELinux user label that + applies to the container. + type: string + type: object + seccompProfile: + description: |- + The seccomp options to use by this container. If seccomp options are + provided at both the pod & container level, the container options + override the pod options. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile defined in a file on the node should be used. + The profile must be preconfigured on the node to work. + Must be a descending path, relative to the kubelet's configured seccomp profile location. + Must only be set if type is "Localhost". + type: string + type: + description: |- + type indicates which kind of seccomp profile will be applied. + Valid options are: + + + Localhost - a profile defined in a file on the node should be used. + RuntimeDefault - the container runtime default profile should be used. + Unconfined - no profile should be applied. + type: string + required: + - type + type: object + windowsOptions: + description: |- + The Windows specific settings applied to all containers. + If unspecified, the options from the PodSecurityContext will be used. + If set in both SecurityContext and PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is linux. + properties: + gmsaCredentialSpec: + description: |- + GMSACredentialSpec is where the GMSA admission webhook + (https://github.com/kubernetes-sigs/windows-gmsa) inlines the contents of the + GMSA credential spec named by the GMSACredentialSpecName field. + type: string + gmsaCredentialSpecName: + description: GMSACredentialSpecName is the name + of the GMSA credential spec to use. + type: string + hostProcess: + description: |- + HostProcess determines if a container should be run as a 'Host Process' container. + This field is alpha-level and will only be honored by components that enable the + WindowsHostProcessContainers feature flag. Setting this field without the feature + flag will result in errors when validating the Pod. All of a Pod's containers must + have the same effective HostProcess value (it is not allowed to have a mix of HostProcess + containers and non-HostProcess containers). In addition, if HostProcess is true + then HostNetwork must also be set to true. + type: boolean + runAsUserName: + description: |- + The UserName in Windows to run the entrypoint of the container process. + Defaults to the user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: string + type: object + type: object + startupProbe: + description: |- + StartupProbe indicates that the Pod has successfully initialized. + If specified, no other probes are executed until this completes successfully. + If this probe fails, the Pod will be restarted, just as if the livenessProbe failed. + This can be used to provide different probe parameters at the beginning of a Pod's lifecycle, + when it might take a long time to load data or warm a cache, than during steady-state operation. + This cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving a + GRPC port. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies the http request to + perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. + HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header + to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving + a TCP port. + properties: + host: + description: 'Optional: Host name to connect to, + defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + stdin: + description: |- + Whether this container should allocate a buffer for stdin in the container runtime. If this + is not set, reads from stdin in the container will always result in EOF. + Default is false. + type: boolean + stdinOnce: + description: |- + Whether the container runtime should close the stdin channel after it has been opened by + a single attach. When stdin is true the stdin stream will remain open across multiple attach + sessions. If stdinOnce is set to true, stdin is opened on container start, is empty until the + first client attaches to stdin, and then remains open and accepts data until the client disconnects, + at which time stdin is closed and remains closed until the container is restarted. If this + flag is false, a container processes that reads from stdin will never receive an EOF. + Default is false + type: boolean + terminationMessagePath: + description: |- + Optional: Path at which the file to which the container's termination message + will be written is mounted into the container's filesystem. + Message written is intended to be brief final status, such as an assertion failure message. + Will be truncated by the node if greater than 4096 bytes. The total message length across + all containers will be limited to 12kb. + Defaults to /dev/termination-log. + Cannot be updated. + type: string + terminationMessagePolicy: + description: |- + Indicate how the termination message should be populated. File will use the contents of + terminationMessagePath to populate the container status message on both success and failure. + FallbackToLogsOnError will use the last chunk of container log output if the termination + message file is empty and the container exited with an error. + The log output is limited to 2048 bytes or 80 lines, whichever is smaller. + Defaults to File. + Cannot be updated. + type: string + tty: + description: |- + Whether this container should allocate a TTY for itself, also requires 'stdin' to be true. + Default is false. + type: boolean + volumeDevices: + description: volumeDevices is the list of block devices + to be used by the container. + items: + description: volumeDevice describes a mapping of a raw + block device within a container. + properties: + devicePath: + description: devicePath is the path inside of the + container that the device will be mapped to. + type: string + name: + description: name must match the name of a persistentVolumeClaim + in the pod + type: string + required: + - devicePath + - name + type: object + type: array + volumeMounts: + description: |- + Pod volumes to mount into the container's filesystem. + Cannot be updated. + items: + description: VolumeMount describes a mounting of a Volume + within a container. + properties: + mountPath: + description: |- + Path within the container at which the volume should be mounted. Must + not contain ':'. + type: string + mountPropagation: + description: |- + mountPropagation determines how mounts are propagated from the host + to container and the other way around. + When not set, MountPropagationNone is used. + This field is beta in 1.10. + type: string + name: + description: This must match the Name of a Volume. + type: string + readOnly: + description: |- + Mounted read-only if true, read-write otherwise (false or unspecified). + Defaults to false. + type: boolean + subPath: + description: |- + Path within the volume from which the container's volume should be mounted. + Defaults to "" (volume's root). + type: string + subPathExpr: + description: |- + Expanded path within the volume from which the container's volume should be mounted. + Behaves similarly to SubPath but environment variable references $(VAR_NAME) are expanded using the container's environment. + Defaults to "" (volume's root). + SubPathExpr and SubPath are mutually exclusive. + type: string + required: + - mountPath + - name + type: object + type: array + workingDir: + description: |- + Container's working directory. + If not specified, the container runtime's default will be used, which + might be configured in the container image. + Cannot be updated. + type: string + required: + - name + type: object + type: array tolerations: items: description: |-