Merge pull request #10390 from jmguzik/fix-cmd-prune-filter-images

Fix image prune --filter cmd behavior

cmd/podman/images/prune.go

@@ -59,7 +59,15 @@ func prune(cmd *cobra.Command, args []string) error {
 			return nil
 		}
 	}
-
+	filterMap, err := common.ParseFilters(filter)
+	if err != nil {
+		return err
+	}
+	for k, v := range filterMap {
+		for _, val := range v {
+			pruneOpts.Filter = append(pruneOpts.Filter, fmt.Sprintf("%s=%s", k, val))
+		}
+	}
 	results, err := registry.ImageEngine().Prune(registry.GetContext(), pruneOpts)
 	if err != nil {
 		return err

test/e2e/common_test.go

@@ -451,19 +451,13 @@ func (p *PodmanTestIntegration) RunLsContainerInPod(name, pod string) (*PodmanSe
 // BuildImage uses podman build and buildah to build an image
 // called imageName based on a string dockerfile
 func (p *PodmanTestIntegration) BuildImage(dockerfile, imageName string, layers string) string {
-	dockerfilePath := filepath.Join(p.TempDir, "Dockerfile")
-	err := ioutil.WriteFile(dockerfilePath, []byte(dockerfile), 0755)
-	Expect(err).To(BeNil())
-	cmd := []string{"build", "--pull-never", "--layers=" + layers, "--file", dockerfilePath}
-	if len(imageName) > 0 {
-		cmd = append(cmd, []string{"-t", imageName}...)
-	}
-	cmd = append(cmd, p.TempDir)
-	session := p.Podman(cmd)
-	session.Wait(240)
-	Expect(session).Should(Exit(0), fmt.Sprintf("BuildImage session output: %q", session.OutputToString()))
-	output := session.OutputToStringArray()
-	return output[len(output)-1]
+	return p.buildImage(dockerfile, imageName, layers, "")
+}
+
+// BuildImageWithLabel uses podman build and buildah to build an image
+// called imageName based on a string dockerfile, adds desired label to paramset
+func (p *PodmanTestIntegration) BuildImageWithLabel(dockerfile, imageName string, layers string, label string) string {
+	return p.buildImage(dockerfile, imageName, layers, label)
 }
 
 // PodmanPID execs podman and returns its PID
@@ -828,3 +822,22 @@ func (p *PodmanSessionIntegration) jq(jqCommand string) (string, error) {
 	err := cmd.Run()
 	return strings.TrimRight(out.String(), "\n"), err
 }
+
+func (p *PodmanTestIntegration) buildImage(dockerfile, imageName string, layers string, label string) string {
+	dockerfilePath := filepath.Join(p.TempDir, "Dockerfile")
+	err := ioutil.WriteFile(dockerfilePath, []byte(dockerfile), 0755)
+	Expect(err).To(BeNil())
+	cmd := []string{"build", "--pull-never", "--layers=" + layers, "--file", dockerfilePath}
+	if label != "" {
+		cmd = append(cmd, "--label="+label)
+	}
+	if len(imageName) > 0 {
+		cmd = append(cmd, []string{"-t", imageName}...)
+	}
+	cmd = append(cmd, p.TempDir)
+	session := p.Podman(cmd)
+	session.Wait(240)
+	Expect(session).Should(Exit(0), fmt.Sprintf("BuildImage session output: %q", session.OutputToString()))
+	output := session.OutputToStringArray()
+	return output[len(output)-1]
+}

test/e2e/images_test.go

@@ -425,4 +425,25 @@ LABEL "com.example.vendor"="Example Vendor"
 		Expect(result.OutputToStringArray()).To(Not(Equal(result1.OutputToStringArray())))
 	})
 
+	It("podman image prune --filter", func() {
+		dockerfile := `FROM quay.io/libpod/alpine:latest
+RUN > file
+`
+		dockerfile2 := `FROM quay.io/libpod/alpine:latest
+RUN > file2
+`
+		podmanTest.BuildImageWithLabel(dockerfile, "foobar.com/workdir:latest", "false", "abc")
+		podmanTest.BuildImageWithLabel(dockerfile2, "foobar.com/workdir:latest", "false", "xyz")
+		// --force used to to avoid y/n question
+		result := podmanTest.Podman([]string{"image", "prune", "--filter", "label=abc", "--force"})
+		result.WaitWithDefaultTimeout()
+		Expect(result).Should(Exit(0))
+		Expect(len(result.OutputToStringArray())).To(Equal(1))
+
+		//check if really abc is removed
+		result = podmanTest.Podman([]string{"image", "list", "--filter", "label=abc"})
+		Expect(len(result.OutputToStringArray())).To(Equal(0))
+
+	})
+
 })