Alertmanager: Expermental pre-notification webhooks. #10718
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tacole02
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* Alertmanager: Expermental pre-notification webhooks. * Update timeout default and description * Apply rate limits before hooks (cherry picked from commit dc137af)
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Adds an experimental feature where administrators can configure hooks to run before notifications are sent. This can be used for logging or auditing purposes, or for adding additional context to alert payloads. Everything here is subject to change.
Introduces a command line flag to enable and disable the code path entirely (
-alertmanager.notify-hooks-enabled), and three -per-tenant overrides to configure the hook:alertmanager_notify_hook_url: The URL of the service to call out to.alertmanager_notify_hook_receivers: If blank, all notifications are passed to the hook, otherwise, only notifications are passed for receivers where the name is specified in this list.alertmanager_notify_hook_timeout: Maximum time to wait for the hook to complete before performing the notification regardless. Note that failed hook invocations should never prevent notifications.If we find this feature valuable and pursue it further, considerations will be taken allow more configuration of the HTTP client (e.g. TLS, basic auth). For now, this is omitted.