The deployment of Kube State Metrics for Google Managed Prometheus creates both a PodMonitoring and ClusterPodMonitoring. The PodMonitoring resource exposes metrics published on metric-self port (8081). The ClusterPodMonitoring exposes metrics published on metric port (8080) but this doesn’t include cronjob-related metrics: kubectl get clusterpodmonitoring/kube-state-metrics \ --output=jsonpath="{.spec.endpoints[0].metricRelabeling}" \ | jq -r . [ { "action": "keep", "regex": "kube_(daemonset|deployment|replicaset|pod|namespace|node|statefulset|persistentvolume|horizontalpodautoscaler|job_created)(_.+)?", "sourceLabels": [ "__name__" ] } ] NOTE The regex does not include kube_cronjob and only includes kube_job_created patterns.

CRD linting Returning to yesterday’s failing tests, it’s unclear how to introspect the E2E tests. kubectl get namespaces NAME STATUS AGE ... allns-s2os2u-0-90f56669 Active 22h allns-s2qhuw-0-6b33d5eb Active 4m23s kubectl get all \ --namespace=allns-s2os2u-0-90f56669 No resources found in allns-s2os2u-0-90f56669 namespace. kubectl get all \ --namespace=allns-s2qhuw-0-6b33d5eb NAME READY STATUS RESTARTS AGE pod/prometheus-operator-6c96477b9c-q6qm2 1/1 Running 0 4m12s pod/prometheus-operator-admission-webhook-68bc9f885-nq6r8 0/1 ImagePullBackOff 0 4m7s NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE service/prometheus-operator ClusterIP 10.152.183.247 <none> 443/TCP 4m9s NAME READY UP-TO-DATE AVAILABLE AGE deployment.

For ackalctld to be deployable to Kubernetes with Prometheus Operator, it is necessary to Enable ScrapeConfig to use (discovery|target) proxies #5966. While I’m familiar with Kubernetes, Kubernetes operators (Ackal uses one built with the Operator SDK) and Prometheus Operator, I’m unfamiliar with developing Prometheus Operator. This (and subsequent) posts will document some preliminary work on this. Cloned Prometheus Operator Branched scrape-config-url-proxy I’m unsure how to effect these changes and unsure whether documentation exists.

TL;DR Enable ScrapeConfig to use (discovery|target) proxies I’ve developed a companion, local daemon (called ackalctld) for Ackal that provides a functionally close version of the service. One way to deploy ackalctld is to use Kubernetes and it would be convenient if the Prometheus metrics were scrapeable by Prometheus Operator. In order for this to work, Prometheus Operator needs to be able to scrape Google Cloud Run targets because ackalctld creates Cloud Run services for its health check clients.