openstack-helm-infra/calico/templates/deployment-calico-kube-controllers.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_calico_kube_controllers }}
{{- $envAll := . }}

{{- $serviceAccountName := "calico-kube-controllers" }}
{{ tuple $envAll "calico_kube_controllers" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: {{ $serviceAccountName }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ $serviceAccountName }}
subjects:
- kind: ServiceAccount
  name: {{ $serviceAccountName }}
  namespace: {{ .Release.Namespace }}
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: {{ $serviceAccountName }}
rules:
  - apiGroups:
    - ""
    - extensions
    resources:
      - pods
      - namespaces
      - networkpolicies
      - nodes
      - serviceaccounts
    verbs:
      - watch
      - list
  - apiGroups:
    - networking.k8s.io
    resources:
      - networkpolicies
    verbs:
      - watch
      - list
---

# This manifest deploys the Calico Kubernetes controllers.
# See https://github.com/projectcalico/kube-controllers
apiVersion: apps/v1
kind: Deployment
metadata:
  name: calico-kube-controllers
  namespace: {{ .Release.Namespace }}
  labels:
    k8s-app: calico-kube-controllers
{{ tuple $envAll "calico" "kube-controllers" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
  annotations:
    scheduler.alpha.kubernetes.io/critical-pod: ''
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
spec:
  # The controllers can only have a single active instance.
  replicas: 1
  selector:
    matchLabels:
      k8s-app: calico-kube-controllers
{{ tuple $envAll "calico" "kube-controllers" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
  strategy:
    type: Recreate
{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
  template:
    metadata:
      name: calico-kube-controllers
      labels:
        k8s-app: calico-kube-controllers
{{ tuple $envAll "calico" "kube-controllers" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
        configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
        configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
    spec:
      securityContext:
        readOnlyRootFilesystem: true
      nodeSelector:
        beta.kubernetes.io/os: linux
      # The controllers must run in the host network namespace so that
      # it isn't governed by policy that would prevent it from working.
      hostNetwork: true
      tolerations:
        # Mark the pod as a critical add-on for rescheduling.
        - key: node.cloudprovider.kubernetes.io/uninitialized
          value: "true"
          effect: NoSchedule

        - key: CriticalAddonsOnly
          operator: Exists
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
      serviceAccountName: {{ $serviceAccountName }}
      initContainers:
{{ tuple $envAll "calico_kube_controllers" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
      containers:
        - name: calico-kube-controllers
{{ tuple $envAll "calico_kube_controllers" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.calico_kube_controllers | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          env:
            # The location of the Calico etcd cluster.
            - name: ETCD_ENDPOINTS
              valueFrom:
                configMapKeyRef:
                  name: calico-etc
                  key: etcd_endpoints

            # conf.controllers expanded values
{{ include "helm-toolkit.utils.to_k8s_env_vars" .Values.conf.controllers | indent 12 }}

            # etcd tls files
{{ if .Values.endpoints.etcd.auth.client.tls.ca }}
            - name: ETCD_CA_CERT_FILE
              value: {{ .Values.endpoints.etcd.auth.client.path.ca }}
{{ end }}
{{ if .Values.endpoints.etcd.auth.client.tls.key }}
            - name: ETCD_KEY_FILE
              value: {{ .Values.endpoints.etcd.auth.client.path.key }}
{{ end }}
{{ if .Values.endpoints.etcd.auth.client.tls.crt }}
            - name: ETCD_CERT_FILE
              value: {{ .Values.endpoints.etcd.auth.client.path.crt }}
{{ end }}

          # etcd tls mounts
          volumeMounts:
            - name: calico-etcd-secrets
              mountPath: {{ .Values.endpoints.etcd.auth.client.path.ca }}
              subPath: tls.ca
              readOnly: true
            - name: calico-etcd-secrets
              mountPath: {{ .Values.endpoints.etcd.auth.client.path.crt }}
              subPath: tls.crt
              readOnly: true
            - name: calico-etcd-secrets
              mountPath: {{ .Values.endpoints.etcd.auth.client.path.key }}
              subPath: tls.key
              readOnly: true

          # Calico v3 only
          readinessProbe:
            exec:
              command:
              - /usr/bin/check-status
              - -r
      volumes:
        - name: calico-etcd-secrets
          secret:
            secretName: calico-etcd-secrets
            defaultMode: 0400
{{- end }}