openstack-helm-infra/prometheus-kube-state-metrics/templates/deployment.yaml

{{/*
Copyright 2017 The Openstack-Helm Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/}}

{{- if .Values.manifests.deployment }}
{{- $envAll := . }}

{{- $serviceAccountName := printf "%s-%s" .Release.Name "kube-state-metrics" }}
{{ tuple $envAll "kube_state_metrics" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRole
metadata:
  name: {{ $serviceAccountName }}
rules:
  - apiGroups:
      - ""
    resources:
      - configmaps
      - secrets
      - nodes
      - pods
      - services
      - resourcequotas
      - replicationcontrollers
      - limitranges
      - persistentvolumeclaims
      - persistentvolumes
      - namespaces
      - endpoints
    verbs:
      - list
      - watch
  - apiGroups:
      - extensions
    resources:
      - daemonsets
      - deployments
      - replicasets
    verbs:
      - list
      - watch
  - apiGroups:
      - apps
    resources:
      - statefulsets
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - batch
    resources:
      - cronjobs
      - jobs
    verbs:
      - list
      - watch
  - apiGroups:
      - autoscaling
    resources:
      - horizontalpodautoscalers
    verbs:
      - list
      - watch
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: {{ $serviceAccountName }}
subjects:
  - kind: ServiceAccount
    name: {{ $serviceAccountName }}
    namespace: {{ $envAll.Release.Namespace }}
roleRef:
  kind: ClusterRole
  name: {{ $serviceAccountName }}
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: kube-state-metrics
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
  labels:
{{ tuple $envAll "kube-state-metrics" "exporter" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
  replicas: {{ .Values.pod.replicas.kube_state_metrics }}
  selector:
    matchLabels:
{{ tuple $envAll "kube-state-metrics" "exporter" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "kube-state-metrics" "exporter" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
    spec:
      securityContext:
        readOnlyRootFilesystem: true
{{ dict "envAll" $envAll "application" "kube_state_metrics" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      serviceAccountName: {{ $serviceAccountName }}
      nodeSelector:
        {{ .Values.labels.kube_state_metrics.node_selector_key }}: {{ .Values.labels.kube_state_metrics.node_selector_value | quote }}
      terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.kube_state_metrics.timeout | default "30" }}
      initContainers:
{{ tuple $envAll "kube_state_metrics" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
      containers:
        - name: kube-state-metrics
{{ tuple $envAll "kube_state_metrics" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.kube_state_metrics | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          securityContext:
            allowPrivilegeEscalation: false
          command:
            - /tmp/kube-state-metrics.sh
          ports:
            - name: metrics
              containerPort: {{ tuple "kube_state_metrics" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
          readinessProbe:
            httpGet:
              path: /metrics
              port: {{ tuple "kube_state_metrics" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
            initialDelaySeconds: 20
            periodSeconds: 10
          volumeMounts:
            - name: kube-state-metrics-bin
              mountPath: /tmp/kube-state-metrics.sh
              subPath: kube-state-metrics.sh
              readOnly: true
      volumes:
        - name: kube-state-metrics-bin
          configMap:
            name: kube-state-metrics-bin
            defaultMode: 0555
{{- end }}