Add support for volume ls --filter label=key=value

Supposed to be able to search for labels with a given value.

Previously it meant searching for label key and label value:

--filter label=key --filter label=value

Add some documentation and integration tests for it as well.

Signed-off-by: Anders F Björklund <anders.f.bjorklund@gmail.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/test/e2e/volume_ls_test.go b/test/e2e/volume_ls_test.go
index cda118bf1..5c466124d 100644
--- a/test/e2e/volume_ls_test.go
+++ b/test/e2e/volume_ls_test.go
@@ -83,6 +83,22 @@ var _ = Describe("Podman volume ls", func() {
 		Expect(session.ExitCode()).To(Equal(0))
 		Expect(len(session.OutputToStringArray())).To(Equal(2))
 		Expect(session.OutputToStringArray()[1]).To(ContainSubstring(volName))
+
+		session = podmanTest.Podman([]string{"volume", "ls", "--filter", "label=foo=foo"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(len(session.OutputToStringArray())).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"volume", "ls", "--filter", "label=foo=bar"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(len(session.OutputToStringArray())).To(Equal(2))
+		Expect(session.OutputToStringArray()[1]).To(ContainSubstring(volName))
+
+		session = podmanTest.Podman([]string{"volume", "ls", "--filter", "label=foo=baz"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(len(session.OutputToStringArray())).To(Equal(0))
 	})
 
 	It("podman volume ls with --filter dangling", func() {
@@ -132,5 +148,11 @@ var _ = Describe("Podman volume ls", func() {
 		Expect(session.OutputToStringArray()[1]).To(ContainSubstring(volName))
 		Expect(session.OutputToStringArray()[2]).To(ContainSubstring(anotherVol))
 
+		session = podmanTest.Podman([]string{"volume", "ls", "--filter", "label=foo=bar", "--filter", "label=foo2=bar2"})
+		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))
 	})
 })