feat(TargetAllocator): allow configuration of PrometheusCR namespaceSelectors

tests/e2e-targetallocator/targetallocator-prometheuscr/03-assert.yaml

@@ -0,0 +1,28 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: prometheus-cr-collector
+status:
+  readyReplicas: 1
+  replicas: 1
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: prometheus-cr-targetallocator
+status:
+  observedGeneration: 1
+  readyReplicas: 1
+  replicas: 1
+---
+apiVersion: v1
+data:
+  targetallocator.yaml:
+    ( contains(@, join(':', ['service_monitor_namespace_selector', ' {}'])) ): true
+    ( contains(@, join(':', ['pod_monitor_namespace_selector', ' {}'])) ): true
+    ( contains(@, join(':', ['probe_namespace_selector', ' {}'])) ): true
+    ( contains(@, join(':', ['scrape_config_namespace_selector', '{}'])) ): true
+kind: ConfigMap
+metadata:
+  name: prometheus-cr-v1beta1-targetallocator
+---

tests/e2e-targetallocator/targetallocator-prometheuscr/03-install.yaml

@@ -0,0 +1,164 @@
+apiVersion: v1
+automountServiceAccountToken: true
+kind: ServiceAccount
+metadata:
+  name: ta
+---
+apiVersion: v1
+automountServiceAccountToken: true
+kind: ServiceAccount
+metadata:
+  name: collector
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: targetallocator-prometheuscr
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  - nodes
+  - services
+  - endpoints
+  - configmaps
+  - secrets
+  - namespaces
+  verbs:
+  - get
+  - watch
+  - list
+- apiGroups:
+  - apps
+  resources:
+  - statefulsets
+  - services
+  - endpoints
+  verbs:
+  - get
+  - watch
+  - list
+- apiGroups:
+  - discovery.k8s.io
+  resources:
+  - endpointslices
+  verbs:
+  - get
+  - watch
+  - list
+- apiGroups:
+  - networking.k8s.io
+  resources:
+  - ingresses
+  verbs:
+  - get
+  - watch
+  - list
+- apiGroups:
+  - monitoring.coreos.com
+  resources:
+  - servicemonitors
+  - podmonitors
+  - scrapeconfigs
+  - probes
+  verbs:
+  - get
+  - watch
+  - list
+- nonResourceURLs:
+  - /metrics
+  verbs:
+  - get
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: collector-prometheuscr
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  - nodes
+  - nodes/metrics
+  - services
+  - endpoints
+  - namespaces
+  verbs:
+  - get
+  - watch
+  - list
+- apiGroups:
+  - networking.k8s.io
+  resources:
+  - ingresses
+  verbs:
+  - get
+  - watch
+  - list
+- nonResourceURLs:
+  - /metrics
+  - /metrics/cadvisor
+  verbs:
+  - get
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: (join('-', ['ta', $namespace]))
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: targetallocator-prometheuscr
+subjects:
+- kind: ServiceAccount
+  name: ta
+  namespace: ($namespace)
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: (join('-', ['collector', $namespace]))
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: collector-prometheuscr
+subjects:
+- kind: ServiceAccount
+  name: collector
+  namespace: ($namespace)
+---
+apiVersion: opentelemetry.io/v1alpha1
+kind: OpenTelemetryCollector
+metadata:
+  name: prometheus-cr
+spec:
+  config: |
+    receivers:
+      prometheus:
+        config:
+          scrape_configs: []
+
+    processors:
+
+    exporters:
+      prometheus:
+        endpoint: 0.0.0.0:9090
+    service:
+      pipelines:
+        metrics:
+          receivers: [prometheus]
+          exporters: [prometheus]
+  mode: statefulset
+  serviceAccount: collector
+  targetAllocator:
+    enabled: true
+    prometheusCR:
+      enabled: true
+      scrapeInterval: 1s
+      podMonitorNamespaceSelector: {}
+      serviceMonitorNamespaceSelector: {}
+      scrapeConfigNamespaceSelector: {}
+      probeNamespaceSelector: {}
+    serviceAccount: ta