Add error-tracking monitor option to DatadogMonitor CRD. #2775

[AkselAllas]

What does this PR do?

Close #2775
Since the go api already supports error-tracking via datadogV1.MONITORTYPE_ERROR_TRACKING_ALERT, then it's super easy to expose this via the CRD.

Motivation

Get error-tracking monitors working via k8s yml.
#2775

Additional Notes

Need help with labels and commit signing. I signed it but it's not working 🤔

Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

Probably.

Describe your test plan

My fork successfully created the monitor in my k8s cluster.
I overwrote the DatadogMonitor CRD with the following file (Taken from my PR fork):

datadoghq.com_datadogmonitors.yaml

And by using the following image & conf for the operator:

datadog-operator:
  image:
    repository: ghcr.io/akselallas/datadog-operator
    tag: 1.24.0-error-tracking-monitor-correct
  datadogCRDs: # disable monitor CRD to avoid conflicts with the overwritten CRD from the wrapper
    crds:
      datadogMonitors: false
  datadogMonitor:
    enabled: true

And this is the monitor yml diff:

  query: >-
    error-tracking("service:test-service
    env:staging").source("all").new().rollup("count").by("issue.id").last("1d")
    > 0
  type: error-tracking alert

Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label
• All commits are signed (see: signing commits)

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[AkselAllas]

I overwrote the DatadogMonitor CRD with the following file (Taken from my PR fork):

datadoghq.com_datadogmonitors.yaml

And by using the following image & conf for the operator:

datadog-operator:
  image:
    repository: ghcr.io/akselallas/datadog-operator
    tag: 1.24.0-error-tracking-monitor-correct
  datadogCRDs: # disable monitor CRD to avoid conflicts with the overwritten CRD from the wrapper
    crds:
      datadogMonitors: false
  datadogMonitor:
    enabled: true

And this is the monitor yml diff:

  query: >-
    error-tracking("service:test-service
    env:staging").source("all").new().rollup("count").by("issue.id").last("1d")
    > 0
  type: error-tracking alert