feat(charts): Add helm charts for minio

Author: kmala

charts/minio/Chart.yaml

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+name: minio
+home: https://github.com/deis/minio
+version:  <Will be populated by the ci before publishing the chart>
+description: Minio Object Storage in Kubernetes, used by Deis Workflow.
+maintainers:
+  - name: Deis Team
+    email: engineering@deis.com

charts/minio/templates/minio-deployment.yaml

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+{{- if eq .Values.global.storage "minio" }}
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: deis-minio
+  labels:
+    heritage: deis
+  annotations:
+    component.deis.io/version: {{ .Values.docker_tag }}
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: deis-minio
+  template:
+    metadata:
+      labels:
+        app: deis-minio
+    spec:
+      serviceAccount: deis-minio
+      containers:
+        - name: deis-minio
+          image: quay.io/{{.Values.org}}/minio:{{.Values.docker_tag}}
+          imagePullPolicy: {{.Values.pull_policy}}
+          env:
+            - name: HEALTH_SERVER_PORT
+              value: "8082"
+          ports:
+            - containerPort: 9000
+            - containerPort: 8082
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: 8082
+            initialDelaySeconds: 30
+            timeoutSeconds: 1
+          readinessProbe:
+            httpGet:
+              path: /healthz
+              port: 8082
+            initialDelaySeconds: 30
+            timeoutSeconds: 1
+          command:
+            - boot
+          args:
+            - "server /home/minio/"
+          volumeMounts:
+            - name: minio-user
+              mountPath: /var/run/secrets/deis/minio/user
+              readOnly: true
+      volumes:
+        - name: minio-user
+          secret:
+            secretName: minio-user
+{{- end }}

charts/minio/templates/minio-service-account.yaml

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+{{- if eq .Values.global.storage "minio" }}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: deis-minio
+  labels:
+    heritage: deis
+{{- end }}

charts/minio/templates/minio-service.yaml

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+{{- if eq .Values.global.storage "minio" }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: deis-minio
+  labels:
+    heritage: deis
+spec:
+  ports:
+    - name: s3
+      port: 9000
+  selector:
+    app: deis-minio
+{{- end }}

charts/minio/templates/minio-user-secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: minio-user
+  labels:
+    heritage: deis
+type: Opaque
+data:
+  accesskey: OFRaUlkySlJXTVBUNlVNWFI2STU=
+  secretkey: Z2JzdHJPdm90TU1jZzJzTWZHVWhBNWE2RXQvRUk1QUx0SUhzb2JZaw==

charts/minio/values.yaml

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+org: "deisci"
+pull_policy: "Always"
+docker_tag: canary
+global:
+  storage: minio