{{/*
Copyright 2017 AT&T Intellectual Property.  All other rights reserved.

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 "tillerReadinessProbeTemplate" }}
httpGet:
  scheme: HTTP
  path: /readiness
  port: {{ .Values.conf.tiller.probe_port }}
{{- end }}

{{- define "tillerLivenessProbeTemplate" }}
httpGet:
  scheme: HTTP
  path: /liveness
  port: {{ .Values.conf.tiller.probe_port }}
{{- end }}

{{- if .Values.manifests.deployment_tiller }}
{{- $envAll := . }}
{{- $serviceAccountName := "tiller-deploy" }}
{{- $mounts_tiller := .Values.pod.mounts.tiller.tiller }}

{{ tuple $envAll "tiller_deploy" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: run-tiller
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- kind: ServiceAccount
  name: {{ $serviceAccountName }}
  namespace: {{ .Release.Namespace }}
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: helm
    name: tiller
  name: tiller-deploy
  annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 4 }}
spec:
  replicas: 1
  selector:
    matchLabels:
      app: helm
      name: tiller
  strategy:
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: helm
        name: tiller
{{ tuple $envAll "tiller" "deploy" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
{{ dict "envAll" $envAll "podName" "tiller" "containerNames" (list "tiller") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
    spec:
{{ dict "envAll" $envAll "application" "tiller" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      serviceAccountName: {{ $serviceAccountName }}
      nodeSelector:
        {{ .Values.labels.node_selector_key }}: {{ .Values.labels.node_selector_value }}
      containers:
        - name: tiller
{{ tuple $envAll "tiller" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.tiller | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "tiller" "container" "tiller" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          env:
            - name: TILLER_NAMESPACE
              value: {{ .Values.Name }}
            - name: TILLER_HISTORY_MAX
              value: {{ .Values.deployment.tiller_history | quote }}
          volumeMounts:
{{ toYaml $mounts_tiller.volumeMounts | indent 12 }}
          command:
            - /tiller
{{- if .Values.conf.tiller.storage }}
            - --storage={{ .Values.conf.tiller.storage }}
{{- end }}
            - -listen
            - ":{{ .Values.conf.tiller.port }}"
            - -probe-listen
            - ":{{ .Values.conf.tiller.probe_port }}"
            - -logtostderr
            - -v
            - {{ .Values.conf.tiller.verbosity | quote }}
{{- if .Values.conf.tiller.trace }}
            - -trace
{{- end }}
          lifecycle:
            preStop:
              exec:
                command:
                  # Delay tiller termination so that it has a chance to finish
                  # deploying releases including marking them with
                  # DEPLOYED/FAILED status, otherwise they can get stuck in
                  # PENDING_*** status.
                  - sleep
                  - "{{ .Values.conf.tiller.prestop_sleep }}"
          ports:
            - name: tiller
              containerPort: {{ .Values.conf.tiller.port }}
              protocol: TCP
{{ dict "envAll" $envAll "component" "tiller" "container" "tiller" "type" "readiness" "probeTemplate" (include "tillerReadinessProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | trim | indent 10 }}
{{ dict "envAll" $envAll "component" "tiller" "container" "tiller" "type" "liveness" "probeTemplate" (include "tillerLivenessProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | trim | indent 10 }}
      volumes:
{{ toYaml $mounts_tiller.volumes | indent 8 }}
status: {}
{{- end }}