Resolve "Support Regular Expression In Prometheus Target Checks"

General MR

Summary

Adds support of passing in a Regular Expression when matching the Prometheus targets expected up pods.

Using a grouping, we verify that if x pods are running in the cluster , then only x/x up will match the regex.

This also accepts a plain text match string as currently implemented. So, it should provide backward compatibility.

A sample of this working in the Monitoring package can be found here: monitoring!393 (merged)

Also tested this on a local k8s cluster with Big Bang umbrella chart to verify the tests work as expected with a different number of pods.

Linked Issue

Issue #55 (closed)

Upgrade Notices

N/A

changed milestone to %2.40.0

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assigned to @michaelmartin

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• e6b03a54 - support regular expressions in the validatePromTarget command

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• 1c29711b - update chart deps

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mentioned in commit 684d5a57

merged