ubuntu docker based image for helmfile (#1863)

Co-authored-by: Valera Seryozhenko <[email protected]>

Dockerfile.helm3.ubuntu

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+FROM golang:1.16.3-buster as builder
+
+RUN apt update -qq && \
+    apt install --no-install-recommends -y make git && \
+    rm -rf /var/lib/apt/lists/*
+WORKDIR /workspace/helmfile
+COPY . /workspace/helmfile
+RUN make static-linux
+
+# -----------------------------------------------------------------------------
+
+FROM ubuntu:20.10
+
+RUN apt update -qq && \
+    apt install --no-install-recommends -y \
+    ca-certificates \
+    git bash curl jq pip wget && \
+    rm -rf /var/lib/apt/lists/*
+
+ARG HELM_VERSION="v3.5.3"
+ARG HELM_LOCATION="https://get.helm.sh"
+ARG HELM_FILENAME="helm-${HELM_VERSION}-linux-amd64.tar.gz"
+ARG HELM_SHA256="2170a1a644a9e0b863f00c17b761ce33d4323da64fc74562a3a6df2abbf6cd70"
+RUN set -x && \
+    wget ${HELM_LOCATION}/${HELM_FILENAME} && \
+    echo Verifying ${HELM_FILENAME}... && \
+    sha256sum ${HELM_FILENAME} | grep -q "${HELM_SHA256}" && \
+    echo Extracting ${HELM_FILENAME}... && \
+    tar zxvf ${HELM_FILENAME} && mv /linux-amd64/helm /usr/local/bin/ && \
+    rm ${HELM_FILENAME} && rm -r /linux-amd64
+
+# using the install documentation found at https://kubernetes.io/docs/tasks/tools/install-kubectl/
+# for now but in a future version of alpine (in the testing version at the time of writing)
+# we should be able to install using apk add.
+# the sha256 sum can be found at https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl.sha256
+# maybe a good idea to automate in the future?
+ENV KUBECTL_VERSION="v1.18.9"
+ENV KUBECTL_SHA256="6a68756a2d3d04b4d0f52b00de6493ba2c1fcb28b32f3e4a0e99b3d9f6c4e8ed"
+RUN set -x && \
+    curl --retry 5 --retry-connrefused -LO "https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl" && \
+    sha256sum kubectl | grep ${KUBECTL_SHA256} && \
+    chmod +x kubectl && \
+    mv kubectl /usr/local/bin/kubectl
+
+ENV KUSTOMIZE_VERSION="v3.8.8"
+ENV KUSTOMIZE_SHA256="175938206f23956ec18dac3da0816ea5b5b485a8493a839da278faac82e3c303"
+RUN set -x && \
+    curl --retry 5 --retry-connrefused -LO https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/${KUSTOMIZE_VERSION}/kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz && \
+    sha256sum kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz | grep ${KUSTOMIZE_SHA256} && \
+    tar zxf kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz && \
+    rm kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz && \
+    mv kustomize /usr/local/bin/kustomize
+
+RUN pip install sops
+
+RUN helm plugin install https://github.com/databus23/helm-diff --version v3.1.3 && \
+    helm plugin install https://github.com/jkroepke/helm-secrets --version v3.5.0 && \
+    helm plugin install https://github.com/hypnoglow/helm-s3.git --version v0.10.0 && \
+    helm plugin install https://github.com/aslafy-z/helm-git.git --version v0.10.0
+
+COPY --from=builder /workspace/helmfile/dist/helmfile_linux_amd64 /usr/local/bin/helmfile
+
+CMD ["/usr/local/bin/helmfile"]

Dockerfile.ubuntu

@@ -0,0 +1,57 @@
+FROM golang:1.16.3-buster as builder
+
+RUN apt update -qq && \
+    apt install --no-install-recommends -y make git && \
+    rm -rf /var/lib/apt/lists/*
+WORKDIR /workspace/helmfile
+COPY . /workspace/helmfile
+RUN make static-linux
+
+# -----------------------------------------------------------------------------
+
+FROM ubuntu:20.10
+
+RUN apt update -qq && \
+    apt install --no-install-recommends -y \
+    ca-certificates \
+    git bash curl jq pip wget && \
+    rm -rf /var/lib/apt/lists/*
+
+ARG HELM_VERSION="v2.17.0"
+ARG HELM_LOCATION="https://kubernetes-helm.storage.googleapis.com"
+ARG HELM_FILENAME="helm-${HELM_VERSION}-linux-amd64.tar.gz"
+ARG HELM_SHA256="f3bec3c7c55f6a9eb9e6586b8c503f370af92fe987fcbf741f37707606d70296"
+RUN set -x && \
+    wget ${HELM_LOCATION}/${HELM_FILENAME} && \
+    echo Verifying ${HELM_FILENAME}... && \
+    sha256sum ${HELM_FILENAME} | grep -q "${HELM_SHA256}" && \
+    echo Extracting ${HELM_FILENAME}... && \
+    tar zxvf ${HELM_FILENAME} && mv /linux-amd64/helm /usr/local/bin/ && \
+    mv /linux-amd64/tiller /usr/local/bin/ && \
+    rm ${HELM_FILENAME} && rm -r /linux-amd64
+
+# using the install documentation found at https://kubernetes.io/docs/tasks/tools/install-kubectl/
+# for now but in a future version of alpine (in the testing version at the time of writing)
+# we should be able to install using apk add.
+# the sha256 sum can be found at https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl.sha256
+# maybe a good idea to automate in the future?
+ENV KUBECTL_VERSION="v1.18.9"
+ENV KUBECTL_SHA256="6a68756a2d3d04b4d0f52b00de6493ba2c1fcb28b32f3e4a0e99b3d9f6c4e8ed"
+RUN set -x & \
+    curl --retry 5 --retry-connrefused -LO "https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl" && \
+    sha256sum kubectl | grep ${KUBECTL_SHA256} && \
+    chmod +x kubectl && \
+    mv kubectl /usr/local/bin/kubectl
+
+RUN pip install sops
+
+RUN ["helm", "init", "--client-only", "--stable-repo-url", "https://charts.helm.sh/stable"]
+RUN helm plugin install https://github.com/databus23/helm-diff && \
+    helm plugin install https://github.com/futuresimple/helm-secrets && \
+    helm plugin install https://github.com/hypnoglow/helm-s3.git && \
+    helm plugin install https://github.com/aslafy-z/helm-git.git && \
+    helm plugin install https://github.com/rimusz/helm-tiller
+
+COPY --from=builder /workspace/helmfile/dist/helmfile_linux_amd64 /usr/local/bin/helmfile
+
+CMD ["/usr/local/bin/helmfile", "--help"]