Merge pull request #6 from kmala/master

feat(charts): Add helm charts for redis

Author: kmala

charts/redis/Chart.yaml

@@ -0,0 +1,7 @@
+name: redis
+home: https://github.com/deis/redis
+version: <Will be populated by the ci before publishing the chart>
+description: A Redis database for use inside a Kubernetes cluster.
+maintainers:
+  - name: Deis Team
+    email: engineering@deis.com

charts/redis/templates/logger-redis-deployment.yaml

@@ -0,0 +1,45 @@
+{{- if eq .Values.global.logger_redis_location "on-cluster" }}
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: deis-logger-redis
+  labels:
+    heritage: deis
+  annotations:
+    component.deis.io/version: {{ .Values.docker_tag }}
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: deis-logger-redis
+  template:
+    metadata:
+      labels:
+        app: deis-logger-redis
+    spec:
+      containers:
+      - name: deis-logger-redis
+        image: quay.io/{{ .Values.org }}/redis:{{ .Values.docker_tag }}
+        imagePullPolicy: {{ .Values.pull_policy }}
+{{- if or (.Values.limits_cpu) (.Values.limits_memory)}}
+        resources:
+          limits:
+{{- if (.Values.limits_cpu) }}
+            cpu: {{.Values.limits_cpu}}
+{{- end}}
+{{- if (.Values.limits_memory) }}
+            memory: {{.Values.limits_memory}}
+{{- end}}
+{{- end}}
+        ports:
+        - containerPort: 6379
+        volumeMounts:
+        - name: logger-redis-creds
+          mountPath: /var/run/secrets/deis/redis/creds
+      volumes:
+      - name: logger-redis-creds
+        secret:
+          secretName: logger-redis-creds
+{{- end }}

charts/redis/templates/logger-redis-secret-creds.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: logger-redis-creds
+  labels:
+    app: deis-logger-redis
+    heritage: deis
+  annotations:
+    "helm.sh/hook": pre-install
+data: {{ if eq .Values.global.logger_redis_location "on-cluster"}}
+  password: {{ randAlphaNum 32 | b64enc }}{{ else if eq .Values.global.logger_redis_location "off-cluster"}}
+  db: {{ .Values.postgres.db | b64enc }}
+  password: {{ .Values.password | b64enc }}
+  host: {{ .Values.postgres.host | b64enc }}
+  port: {{ .Values.postgres.port | b64enc }}{{ end }}

charts/redis/templates/logger-redis-service.yaml

@@ -0,0 +1,13 @@
+{{- if eq .Values.global.logger_redis_location "on-cluster" }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: deis-logger-redis
+  labels:
+    heritage: helm
+spec:
+  selector:
+    app: deis-logger-redis
+  ports:
+  - port: 6379
+{{- end }}

charts/redis/values.yaml

@@ -0,0 +1,19 @@
+org: "deisci"
+pull_policy: "Always"
+docker_tag: canary
+# limits_cpu: "100m"
+# limits_memory: "50Mi"
+
+global:
+  # Set the location of Workflow's logger-specific Redis instance
+  #
+  # Valid values are:
+  # - on-cluster: Run Redis within the Kubernetes cluster
+  # - off-cluster: Run Redis outside the Kubernetes cluster (configure in loggerRedis section)
+  logger_redis_location: "on-cluster"
+
+# Configure the following ONLY if using an off-cluster Redis instance for logger
+db: "0"
+host: "redis host"
+port: "redis port"
+password: "redis password" # "" == no password