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gotjoshandAlex Weaver
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* Alerting: Remove double quotes from matchers With #38629 a new Alertmanager configuration object was introduced with `object_matchers`, it was meant to circumvent around the fact that Prometheus label names don't support a set of characters that Grafana needs to support for alerts, silences, matchers, etc. (with a common example being elasticsearch's `.`). This new object does not include the label of sanitzation or validation that its Prometheus equivalent supports in `matchers` and therefore are semantically not equivalent. This triggered the problem that when the migration is run, we use `matchers` as the object to populate in configuration for routing policies, but when the UI does its first save this object is transformed to `object_matchers`. Matchers that were previously running just fine would immediately stop working as soon as the configuration is saved. This problem surfaced with the introduction of #49952 where we stopped stripping double quotes from matchers (not just regex but _all_ of them). * Add comment explaining rationale and future removal Co-authored-by: Alex Weaver <weaver.alex.d@gmail.com>
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