Adding metrics for custom resources (#116)

* Adding metrics for custom resources

* Separate manifests into individual files

* Update everest-operator go mod

* Update percona-everest-backend go mod

---------

Co-authored-by: Michal Kralik <[email protected]>
Co-authored-by: Oksana Grishchenko <[email protected]>
Co-authored-by: Diogo Recharte <[email protected]>

data/crds/victoriametrics/crs/vmnodescrape-kubelet.yaml

@@ -0,0 +1,34 @@
+apiVersion: operator.victoriametrics.com/v1beta1
+kind: VMNodeScrape
+metadata:
+  labels:
+    app.kubernetes.io/managed-by: everest
+    everest.percona.com/type: monitoring
+  name: pmm-vm-kubelet-metrics
+  namespace: default
+spec:
+  bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+  honorLabels: true
+  interval: 30s
+  metricRelabelConfigs:
+  - action: labeldrop
+    regex: (uid)
+  - action: labeldrop
+    regex: (id|name)
+  - action: drop
+    regex: (rest_client_request_duration_seconds_bucket|rest_client_request_duration_seconds_sum|rest_client_request_duration_seconds_count)
+    source_labels:
+    - __name__
+  relabelConfigs:
+  - action: labelmap
+    regex: __meta_kubernetes_node_label_(.+)
+  - sourceLabels:
+    - __metrics_path__
+    targetLabel: metrics_path
+  - replacement: kubelet
+    targetLabel: job
+  scheme: https
+  scrapeTimeout: 5s
+  tlsConfig:
+    caFile: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+    insecureSkipVerify: true

data/crds/victoriametrics/kube-state-metrics/cluster-role.yaml

@@ -144,7 +144,6 @@ rules:
   - perconaxtradbclusterrestores
   - perconaxtradbclusterrestores/status
   verbs:
-  - get
   - list
   - watch
 - apiGroups:
@@ -157,7 +156,6 @@ rules:
   - perconaservermongodbrestores
   - perconaservermongodbrestores/status
   verbs:
-  - get
   - list
   - watch
 - apiGroups:
@@ -169,12 +167,7 @@ rules:
   - perconapgclusters
   - perconapgrestores
   - perconapgbackups
-  - pgclusters
-  - pgpolicies
-  - pgreplicas
-  - pgtasks
   verbs:
-  - get
   - list
   - watch
 - apiGroups: