feat(charts): Add helm charts for nsq

Author: kmala

charts/nsqd/Chart.yaml

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+name: nsqd
+home: https://github.com/deis/nsq
+version: <Will be populated by the ci before publishing the chart>
+description: A kubernetes based docker image for running nsq daemon.
+maintainers:
+  - name: Deis Team
+    email: engineering@deis.com

charts/nsqd/templates/nsqd-deployment.yaml

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+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: deis-nsqd
+  labels:
+    heritage: deis
+  annotations:
+    component.deis.io/version: {{ .Values.docker_tag }}
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: deis-nsqd
+  template:
+    metadata:
+      labels:
+        app: deis-nsqd
+    spec:
+      serviceAccount: deis-nsqd
+      containers:
+        - name: deis-nsqd
+          image: quay.io/{{.Values.org}}/nsq:{{.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}}
+          command:
+          - /opt/nsq/bin/start-nsqd
+          ports:
+          - containerPort: 4151
+            name: http
+            protocol: TCP
+          - containerPort: 4150
+            name: transport
+            protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /ping
+              port: 4151
+            initialDelaySeconds: 5
+            timeoutSeconds: 1
+          readinessProbe:
+            httpGet:
+              path: /ping
+              port: 4151
+            initialDelaySeconds: 5
+            timeoutSeconds: 1
+          env:
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace

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

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+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: deis-nsqd
+  labels:
+    heritage: deis

charts/nsqd/templates/nsqd-svc.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: deis-nsqd
+  labels:
+    heritage: deis
+    app: deis-nsqd
+spec:
+  ports:
+  - port: 4151
+    name: http
+    targetPort: http
+  - port: 4150
+    name: transport
+    targetPort: transport
+  selector:
+    app: deis-nsqd

charts/nsqd/values.yaml

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+org: "deisci"
+pull_policy: "Always"
+docker_tag: "canary"
+# limits_cpu: "100m"
+# limits_memory: "50Mi"