Make volume filters inclusive

libpod/runtime_volume.go

@@ -86,8 +86,8 @@ func (r *Runtime) HasVolume(name string) (bool, error) {
 
 // Volumes retrieves all volumes
 // Filters can be provided which will determine which volumes are included in the
-// output. Multiple filters are handled by ANDing their output, so only volumes
-// matching all filters are returned
+// output. If multiple filters are used, a volume will be returned if
+// any of the filters are matched
 func (r *Runtime) Volumes(filters ...VolumeFilter) ([]*Volume, error) {
 	r.lock.RLock()
 	defer r.lock.RUnlock()
@@ -101,11 +101,15 @@ func (r *Runtime) Volumes(filters ...VolumeFilter) ([]*Volume, error) {
 		return nil, err
 	}
 
+	if len(filters) == 0 {
+		return vols, nil
+	}
+
 	volsFiltered := make([]*Volume, 0, len(vols))
 	for _, vol := range vols {
-		include := true
+		include := false
 		for _, filter := range filters {
-			include = include && filter(vol)
+			include = include || filter(vol)
 		}
 
 		if include {

test/apiv2/30-volumes.at

@@ -35,6 +35,8 @@ t GET libpod/volumes/json 200 \
     .[0].CreatedAt~[0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\}.*
 # -G --data-urlencode 'filters={"name":["foo1"]}'
 t GET libpod/volumes/json?filters=%7B%22name%22%3A%5B%22foo1%22%5D%7D 200 length=1 .[0].Name=foo1
+# -G --data-urlencode 'filters={"name":["foo1","foo2"]}'
+t GET libpod/volumes/json?filters=%7B%22name%22%3A%20%5B%22foo1%22%2C%20%22foo2%22%5D%7D 200 length=2 .[0].Name=foo1 .[1].Name=foo2
 # -G --data-urlencode 'filters={"name":["notexist"]}'
 t GET libpod/volumes/json?filters=%7B%22name%22%3A%5B%22notexists%22%5D%7D 200 length=0
 

test/e2e/volume_ls_test.go

@@ -110,4 +110,27 @@ var _ = Describe("Podman volume ls", func() {
 		Expect(lsDangling.ExitCode()).To(Equal(0))
 		Expect(lsDangling.OutputToString()).To(ContainSubstring(volName1))
 	})
+	It("podman ls volume with multiple --filter flag", func() {
+		session := podmanTest.Podman([]string{"volume", "create", "--label", "foo=bar", "myvol"})
+		volName := session.OutputToString()
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"volume", "create", "--label", "foo2=bar2", "anothervol"})
+		anotherVol := session.OutputToString()
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"volume", "create"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"volume", "ls", "--filter", "label=foo", "--filter", "label=foo2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(len(session.OutputToStringArray())).To(Equal(3))
+		Expect(session.OutputToStringArray()[1]).To(ContainSubstring(volName))
+		Expect(session.OutputToStringArray()[2]).To(ContainSubstring(anotherVol))
+
+	})
 })