Merge pull request #20052 from coreydaley/trello_1559_reuse_exiting_imagestreams_with_new_app

Resuse existing imagestreams with new-app

Author: openshift-merge-robot

pkg/oc/generate/app/pipeline.go

@@ -194,6 +194,14 @@ func (p *Pipeline) Objects(accept, objectAccept Acceptor) (Objects, error) {
 		}
 		if objectAccept.Accept(repo) {
 			objects = append(objects, repo)
+		} else {
+			tag, err := p.InputImage.ImageStreamTag()
+			if err != nil {
+				return nil, err
+			}
+			if objectAccept.Accept(tag) {
+				objects = append(objects, tag)
+			}
 		}
 	}
 	if p.Image != nil && p.Image.AsImageStream && accept.Accept(p.Image) {

pkg/oc/generate/cmd/describe.go

@@ -128,12 +128,12 @@ func describeBuildPipelineWithImage(out io.Writer, ref app.ComponentReference, p
 	if pipeline.Build == nil {
 		trackedImage := extractFirstImageStreamTag(true, pipeline.InputImage, pipeline.Image)
 		if len(trackedImage) > 0 {
-			fmt.Fprintf(out, "    * An image stream will be created as %q that will track this image\n", trackedImage)
+			fmt.Fprintf(out, "    * An image stream tag will be created as %q that will track this image\n", trackedImage)
 		}
 	} else {
 		trackedImage := extractFirstImageStreamTag(true, pipeline.InputImage)
 		if len(trackedImage) > 0 {
-			fmt.Fprintf(out, "    * An image stream will be created as %q that will track the source image\n", trackedImage)
+			fmt.Fprintf(out, "    * An image stream tag will be created as %q that will track the source image\n", trackedImage)
 		}
 		if refInput.Uses != nil && refInput.Uses.Info() != nil {
 			matches := []string{}
@@ -171,7 +171,7 @@ func describeBuildPipelineWithImage(out io.Writer, ref app.ComponentReference, p
 		if buildOut, err := pipeline.Build.Output.BuildOutput(); err == nil && buildOut != nil && buildOut.To != nil {
 			switch to := buildOut.To; {
 			case to.Kind == "ImageStreamTag":
-				fmt.Fprintf(out, "      * The resulting image will be pushed to image stream %q\n", to.Name)
+				fmt.Fprintf(out, "      * The resulting image will be pushed to image stream tag %q\n", to.Name)
 			case to.Kind == "DockerImage":
 				fmt.Fprintf(out, "      * The resulting image will be pushed with Docker to %q\n", to.Name)
 			default:

test/cmd/newapp.sh

@@ -106,6 +106,16 @@ os::cmd::expect_failure 'oc get dc/mysql'
 os::cmd::expect_failure 'oc get dc/php'
 os::cmd::expect_success_and_text 'oc new-app -f test/testdata/template-without-app-label.json -o yaml' 'app: ruby-helloworld-sample'
 
+# check reuse imagestreams
+os::cmd::expect_success "oc new-build -D $'FROM node:8\nRUN echo \"Test\"' --name=node8"
+os::cmd::try_until_success 'oc get imagestreamtags node:8'
+os::cmd::expect_success "oc new-build -D $'FROM node:10\nRUN echo \"Test\"' --name=node10"
+os::cmd::try_until_success 'oc get imagestreamtags node:10'
+os::cmd::expect_success 'oc delete is node'
+os::cmd::expect_success 'oc delete is node8'
+os::cmd::expect_success 'oc delete is node10'
+
+
 # check object namespace handling
 # hardcoded values should be stripped
 os::cmd::expect_success_and_not_text 'oc new-app -f test/testdata/template-with-namespaces.json -o jsonpath="{.items[?(@.metadata.name==\"stripped\")].metadata.namespace}"' 'STRIPPED'