k8s.mustache

apiVersion: v1
kind: Namespace
metadata:
  annotations:
    description: |
      The namespace under which {{name}} stuff runs.
  name: {{name}}
---
apiVersion: v1
kind: ServiceAccount
metadata:
  annotations:
    description: |
      This defines the service account as which legion pods run.
  name: {{name}}
  namespace: {{name}}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  annotations:
    description: |
      A role that has pod management permissions, allowing the {{name}}
      service to self-manage itself.
  namespace: {{name}}
  name: peer-discovery
rules:
- apiGroups: [""]
  resources: ["pods"]
  verbs: ["list"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  annotations:
    description: |
      Bind legion pods to peer-discovery roles.
  name: {{name}}
  namespace: {{name}}
subjects:
- kind: ServiceAccount
  name: {{name}}
roleRef:
  kind: Role
  name: peer-discovery
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: v1
kind: Service
metadata:
  annotations:
    description: |
      This is a headless service required by the {{name}} StatefulSet
      that causes pods to be exposed via DNS records.
  name: {{name}}
  namespace: {{name}}
spec:
  selector:
    app: {{name}}
  type: ClusterIP
  clusterIP: None
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  annotations:
    description: |
      {{name}} deployment.
  name: {{name}}
  namespace: {{name}}
  labels:
    app: {{name}}
spec:
  replicas: 1
  selector:
    matchLabels:
      app: {{name}}
  updateStrategy:
    type: RollingUpdate
  serviceName: {{name}}
  template:
    metadata:
      annotations:
        description: |
          Pod of the {{name}} service.
      name: {{name}}
      namespace: {{name}}
      labels:
        app: {{name}}
    spec:
      containers:
      - name: {{name}}-container
        image: {{image}}
        imagePullPolicy: Always
        readinessProbe:
          tcpSocket:
            port: 5289
        livenessProbe:
          tcpSocket:
            port: 5289
        env:
          - name: NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
          - name: LOG_LEVEL
            value: DEBUG
          - name: DOMAIN
            value: {{name}}.{{name}}.svc.cluster.local
      serviceAccountName: {{name}}
      terminationGracePeriodSeconds: 1200