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

{{/*
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.
*/}}

{{- define "kubeMetricsReadinessProbe" }}
httpGet:
  path: /metrics
  port: {{ tuple "kube_state_metrics" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
{{- end }}

{{- 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/v1
kind: ClusterRole
metadata:
  name: {{ $serviceAccountName }}
rules:
  - apiGroups:
      - ""
    resources:
      - configmaps
      - secrets
      - nodes
      - pods
      - services
      - resourcequotas
      - replicationcontrollers
      - limitranges
      - persistentvolumeclaims
      - persistentvolumes
      - namespaces
      - endpoints
    verbs:
      - list
      - watch
  - apiGroups:
      - apps
    resources:
      - statefulsets
      - daemonsets
      - deployments
      - replicasets
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - batch
    resources:
      - cronjobs
      - jobs
    verbs:
      - list
      - watch
  - apiGroups:
      - autoscaling
    resources:
      - horizontalpodautoscalers
    verbs:
      - list
      - watch
---
apiVersion: rbac.authorization.k8s.io/v1
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 }}
      annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
        configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
{{ dict "envAll" $envAll "podName" "kube-state-metrics" "containerNames" (list "kube-state-metrics" "init") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
    spec:
{{ dict "envAll" $envAll "application" "exporter" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      serviceAccountName: {{ $serviceAccountName }}
      affinity:
{{ tuple $envAll "kube-state-metrics" "exporter" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
      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 }}
{{ dict "envAll" $envAll "application" "exporter" "container" "kube_state_metrics" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /tmp/kube-state-metrics.sh
          ports:
            - name: metrics
              containerPort: {{ tuple "kube_state_metrics" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
{{ dict "envAll" . "component" "server" "container" "kube_metrics" "type" "readiness" "probeTemplate" (include "kubeMetricsReadinessProbe" . | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 -}}
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: kube-state-metrics-bin
              mountPath: /tmp/kube-state-metrics.sh
              subPath: kube-state-metrics.sh
              readOnly: true
      volumes:
        - name: pod-tmp
          emptyDir: {}
        - name: kube-state-metrics-bin
          configMap:
            name: kube-state-metrics-bin
            defaultMode: 0555
{{- end }}