Use Regexp in volume ls --filter name

Signed-off-by: Boaz Shuster <boaz.shuster.github@gmail.com>

pkg/domain/filters/volumes.go

@@ -2,6 +2,7 @@ package filters
 
 import (
 	"net/url"
+	"regexp"
 	"strings"
 
 	"github.com/containers/podman/v4/libpod"
@@ -15,9 +16,12 @@ func GenerateVolumeFilters(filters url.Values) ([]libpod.VolumeFilter, error) {
 		for _, val := range v {
 			switch filter {
 			case "name":
-				nameVal := val
+				nameRegexp, err := regexp.Compile(val)
+				if err != nil {
+					return nil, err
+				}
 				vf = append(vf, func(v *libpod.Volume) bool {
-					return nameVal == v.Name()
+					return nameRegexp.MatchString(v.Name())
 				})
 			case "driver":
 				driverVal := val

test/e2e/volume_ls_test.go

@@ -152,6 +152,37 @@ var _ = Describe("Podman volume ls", func() {
 		Expect(lsDangling).Should(Exit(0))
 		Expect(lsDangling.OutputToString()).To(ContainSubstring(volName1))
 	})
+
+	It("podman ls volume with --filter name", func() {
+		volName1 := "volume1"
+		session := podmanTest.Podman([]string{"volume", "create", volName1})
+		session.WaitWithDefaultTimeout()
+		Expect(session).Should(Exit(0))
+
+		volName2 := "volume2"
+		session2 := podmanTest.Podman([]string{"volume", "create", volName2})
+		session2.WaitWithDefaultTimeout()
+		Expect(session2).Should(Exit(0))
+
+		session = podmanTest.Podman([]string{"volume", "ls", "--filter", "name=volume1*"})
+		session.WaitWithDefaultTimeout()
+		Expect(session).Should(Exit(0))
+		Expect(session.OutputToStringArray()).To(HaveLen(3))
+		Expect(session.OutputToStringArray()[1]).To(ContainSubstring(volName1))
+		Expect(session.OutputToStringArray()[2]).To(ContainSubstring(volName2))
+
+		session = podmanTest.Podman([]string{"volume", "ls", "--filter", "name=volumex"})
+		session.WaitWithDefaultTimeout()
+		Expect(session).Should(Exit(0))
+		Expect(session.OutputToStringArray()).To(BeEmpty())
+
+		session = podmanTest.Podman([]string{"volume", "ls", "--filter", "name=volume1"})
+		session.WaitWithDefaultTimeout()
+		Expect(session).Should(Exit(0))
+		Expect(session.OutputToStringArray()).To(HaveLen(2))
+		Expect(session.OutputToStringArray()[1]).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()

test/system/160-volumes.bats

@@ -64,6 +64,29 @@ function teardown() {
 }
 
 
+# Filter volumes by name
+@test "podman volume filter --name" {
+    suffix=$(random_string)
+    prefix="volume"
+
+    for i in 1 2; do
+        myvolume=${prefix}_${i}_${suffix}
+        run_podman volume create $myvolume
+        is "$output" "$myvolume" "output from volume create $i"
+    done
+
+    run_podman volume ls --filter name=${prefix}_1.+ --format "{{.Name}}"
+    is "$output" "${prefix}_1_${suffix}" "--filter name=${prefix}_1.+ shows only one volume"
+
+    # The _1* is intentional as asterisk has different meaning in glob and regexp. Make sure this is regexp
+    run_podman volume ls --filter name=${prefix}_1* --format "{{.Name}}"
+    is "$output" "${prefix}_1_${suffix}.*${prefix}_2_${suffix}.*" "--filter name=${prefix}_1* shows ${prefix}_1_${suffix} and ${prefix}_2_${suffix}"
+
+    for i in 1 2; do
+        run_podman volume rm ${prefix}_${i}_${suffix}
+    done
+}
+
 # Named volumes
 @test "podman volume create / run" {
     myvolume=myvol$(random_string)