feat(manifests): mount docker.sock in workflow pod

Author: mboersma

manifests/deis-workflow-rc.yml

@@ -14,10 +14,18 @@ spec:
         name: deis-workflow
     spec:
       containers:
-      - name: deis-workflow
-        image: deis/workflow:latest
-        env:
-          - name: DEBUG
-            value: "true"
-        ports:
-          - containerPort: 8000
+        - name: deis-workflow
+          image: deis/workflow:latest
+          env:
+            - name: DEBUG
+              value: "true"
+          ports:
+            - containerPort: 8000
+              name: http
+          volumeMounts:
+            - mountPath: /var/run/docker.sock
+              name: docker-socket
+      volumes:
+        - name: docker-socket
+          hostPath:
+            path: /var/run/docker.sock

rootfs/bin/boot

@@ -104,9 +104,11 @@ cd /app
 mkdir -p /data/logs
 chmod 777 /data/logs
 
-# allow deis user permission to Docker
+# allow deis user group permission to Docker socket
 if addgroup -g "$(stat -c "%g" /var/run/docker.sock)" docker; then
 	addgroup deis docker
+else
+	addgroup deis "$(stat -c "%G" /var/run/docker.sock)"
 fi
 
 # run an idempotent database migration