Add DPM checks for control plane integration test and add a test for …

…annotation autodiscovery

Signed-off-by: Pete Wall <pete.wall@grafana.com>

charts/k8s-monitoring/tests/integration/anntoation-autodiscovery/deployments/cert-manager.yaml

@@ -0,0 +1,36 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: cert-manager
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: cert-manager
+  namespace: cert-manager
+spec:
+  interval: 1m
+  url: https://charts.jetstack.io
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: cert-manager
+  namespace: cert-manager
+spec:
+  interval: 1m
+  chart:
+    spec:
+      chart: cert-manager
+      sourceRef:
+        kind: HelmRepository
+        name: cert-manager
+        namespace: cert-manager
+      interval: 1m
+  values:
+    installCRDs: true
+    serviceAnnotations:
+      k8s.grafana.com/scrape: "true"
+      k8s.grafana.com/job: "integrations/cert-manager"
+      k8s.grafana.com/metrics.portNumber: "9402"

charts/k8s-monitoring/tests/integration/anntoation-autodiscovery/deployments/grafana.yaml

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+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: grafana
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: grafana
+  namespace: grafana
+spec:
+  interval: 1m
+  url: https://grafana.github.io/helm-charts
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: grafana
+  namespace: grafana
+spec:
+  interval: 1m
+  chart:
+    spec:
+      chart: grafana
+      sourceRef:
+        kind: HelmRepository
+        name: grafana
+        namespace: grafana
+      interval: 1m
+  values:
+    datasources:
+      datasources.yaml:
+        apiVersion: 1
+        datasources:
+          - name: Prometheus
+            type: prometheus
+            url: http://prometheus-server.prometheus.svc:9090
+            isDefault: true

charts/k8s-monitoring/tests/integration/anntoation-autodiscovery/deployments/prometheus.yaml

@@ -0,0 +1,61 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: prometheus
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: prometheus-community
+  namespace: prometheus
+spec:
+  interval: 1m
+  url: https://prometheus-community.github.io/helm-charts
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: prometheus
+  namespace: prometheus
+spec:
+  interval: 1m
+  chart:
+    spec:
+      chart: prometheus
+      version: "^25"
+      sourceRef:
+        kind: HelmRepository
+        name: prometheus-community
+        namespace: prometheus
+      interval: 1m
+  values:
+    server:
+      extraFlags:
+        - enable-feature=remote-write-receiver
+
+      persistentVolume:
+        enabled: false
+
+      service:
+        servicePort: 9090
+
+    serverFiles:
+      prometheus.yml:
+        scrape_configs: []
+
+    configmapReload:
+      prometheus:
+        enabled: false
+
+    alertmanager:
+      enabled: false
+
+    kube-state-metrics:
+      enabled: false
+
+    prometheus-node-exporter:
+      enabled: false
+
+    prometheus-pushgateway:
+      enabled: false

charts/k8s-monitoring/tests/integration/anntoation-autodiscovery/deployments/query-test.yaml

@@ -0,0 +1,49 @@
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: GitRepository
+metadata:
+  name: k8s-monitoring-test
+spec:
+  interval: 1m
+  url: https://github.com/grafana/k8s-monitoring-helm
+  ref:
+    branch: main
+  ignore: |
+    /*
+    !/charts/k8s-monitoring-test
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: k8s-monitoring-test
+spec:
+  interval: 1m
+  chart:
+    spec:
+      chart: charts/k8s-monitoring-test
+      sourceRef:
+        kind: GitRepository
+        name: k8s-monitoring-test
+      interval: 1m
+  values:
+    tests:
+      - env:
+          CLUSTER: annotation-autodiscovery-test
+          PROMETHEUS_URL: http://prometheus-server.prometheus.svc:9090/api/v1/query
+        queries:
+          # Self reporting metrics
+          - query: grafana_kubernetes_monitoring_build_info{cluster="$CLUSTER"}
+            type: promql
+          - query: grafana_kubernetes_monitoring_feature_info{cluster="$CLUSTER", feature="annotationAutodiscovery"}
+            type: promql
+
+          # Annotation Autodiscovery by Servicell
+          - query: certmanager_clock_time_seconds{cluster="$CLUSTER", job="integrations/cert-manager"}
+            type: promql
+
+          # DPM check
+          - query: avg(count_over_time(scrape_samples_scraped{cluster="$CLUSTER"}[1m]))
+            type: promql
+            expect:
+              value: 1
+              operator: ==

charts/k8s-monitoring/tests/integration/anntoation-autodiscovery/values.yaml

@@ -0,0 +1,18 @@
+---
+cluster:
+  name: annotation-autodiscovery-test
+
+destinations:
+  - name: prometheus
+    type: prometheus
+    url: http://prometheus-server.prometheus.svc:9090/api/v1/write
+
+annotationAutodiscovery:
+  enabled: true
+
+selfReporting: {scrapeInterval: 1m}  # Force self-report to be generated within test time
+
+alloy-metrics:
+  enabled: true
+  controller:
+    replicas: 2