api: add post_updates_to_thread to VMAlertmanagerConfig Slack receiver - #2580
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Exposes the upcoming alertmanager slack_configs option post_updates_to_thread (prometheus/alertmanager#5540), which posts subsequent notifications for an alert group as replies in the thread of the initial Slack message. Follows the same pattern as update_message.
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Describe Your Changes
Adds the upcoming alertmanager
slack_configsoptionpost_updates_to_threadto theVMAlertmanagerConfigSlack receiver, following the exact same pattern asupdate_message:api/operator/v1beta1: new optionalpost_updates_to_thread(*bool) field onSlackConfig, plus regenerated deepcopy, CRDs anddocs/api.md.factory/vmalertmanager/config.go: render the key into the generated alertmanager configuration only when set.When enabled, alertmanager posts subsequent notifications for an alert group (resolved, repeats) as replies in the thread of the initial Slack message instead of new channel messages; combined with
update_message, the initial message is updated in place and a reply is also posted to its thread.Note: this depends on the upstream alertmanager feature prometheus/alertmanager#5540 (targeting v0.35.0), which is still under review — marking this PR as draft until it lands. Opening it early so the operator side is ready, as was done for
update_message.Checklist
go test ./internal/controller/operator/factory/vmalertmanager/...and api module tests pass)make docs)🤖 Generated with Claude Code