add support ps --filter volume

Signed-off-by: Xian Chaobo <xianchaobo@huawei.com>

api/handlers.go

@@ -400,7 +400,20 @@ func getContainersJSON(c *context, w http.ResponseWriter, r *http.Request) {
 		if !filters.Match("node", container.Engine.Name) {
 			continue
 		}
-
+		if filters.Include("volume") {
+			volumeExist := fmt.Errorf("volume mounted in container")
+			err := filters.WalkValues("volume", func(value string) error {
+				for _, mount := range container.Info.Mounts {
+					if mount.Name == value || mount.Destination == value {
+						return volumeExist
+					}
+				}
+				return nil
+			})
+			if err != volumeExist {
+				continue
+			}
+		}
 		if len(filtExited) > 0 {
 			shouldSkip := true
 			for _, code := range filtExited {

test/integration/api/ps.bats

@@ -157,3 +157,22 @@ function teardown() {
 	[[ "${output}" == *"node-0/c1"* ]]
 	[[ "${output}" != *"node-1/c2"* ]]
 }
+
+@test "docker ps --filter node" {
+	run docker --version
+	if [[ "${output}" == "Docker version 1.9"* || "${output}" == "Docker version 1.10"* ]]; then
+		skip
+	fi
+	start_docker_with_busybox 2
+	swarm_manage
+
+	docker_swarm run --name c1 -v test_volume1:/abc -d busybox:latest sleep 100
+	docker_swarm run --name c2 -v test_volume2:/def -d busybox:latest sleep 100
+	docker_swarm run --name c3 -v test_volume3:/ghi -d busybox:latest sleep 100
+
+	run docker_swarm ps --filter volume=test_volume1 --filter volume=/def
+	[ "$status" -eq 0 ]
+	[[ "${output}" == *"node-0/c1"* ]]
+	[[ "${output}" == *"node-1/c2"* ]]
+	[[ "${output}" != *"node-1/c3"* ]]
+}