Correctly use cache volume for herokuish builds

plugins/app-json/functions.go

@@ -47,11 +47,6 @@ func constructScript(command string, shell string, isHerokuishImage bool, isCnbI
 			"if [[ -d '/app/.profile.d' ]]; then",
 			"  for file in /app/.profile.d/*; do source $file; done;",
 			"fi;",
-
-			"if [[ -d '/cache' ]]; then",
-			"  rm -rf /tmp/cache ;",
-			"  ln -sf /cache /tmp/cache;",
-			"fi;",
 		}...)
 	}
 
@@ -67,14 +62,6 @@ func constructScript(command string, shell string, isHerokuishImage bool, isCnbI
 
 	script = append(script, fmt.Sprintf("%s || exit 1;", command))
 
-	if isHerokuishImage && !isCnbImage {
-		script = append(script, []string{
-			"if [[ -d '/cache' ]]; then",
-			"  rm -f /tmp/cache;",
-			"fi;",
-		}...)
-	}
-
 	return []string{shell, "-c", strings.Join(script, " ")}
 }
 
@@ -164,7 +151,12 @@ func cleanupDeploymentContainer(appName string, containerID string, phase string
 	if phase != "predeploy" {
 		os.Setenv("DOKKU_SKIP_IMAGE_RETIRE", "true")
 	}
-	return common.PlugnTrigger("scheduler-register-retired", []string{appName, containerID}...)
+
+	if !common.ContainerRemove(containerID) {
+		return fmt.Errorf("Failed to remove %s execution container", phase)
+	}
+
+	return nil
 }
 
 func executeScript(appName string, image string, imageTag string, phase string) error {
@@ -211,12 +203,6 @@ func executeScript(appName string, image string, imageTag string, phase string)
 		imageSourceType = "pack"
 	}
 
-	cacheDir := fmt.Sprintf("%s/cache", common.AppRoot(appName))
-	cacheHostDir := fmt.Sprintf("%s/cache", common.AppHostRoot(appName))
-	if !common.DirectoryExists(cacheDir) {
-		os.MkdirAll(cacheDir, 0755)
-	}
-
 	var dockerArgs []string
 	if b, err := common.PlugnTriggerSetup("docker-args-deploy", []string{appName, imageTag}...).SetInput("").Output(); err == nil {
 		words, err := shellquote.Split(strings.TrimSpace(string(b[:])))
@@ -275,7 +261,9 @@ func executeScript(appName string, image string, imageTag string, phase string)
 	}
 
 	dockerArgs = append(dockerArgs, "--label=dokku_phase_script="+phase)
-	dockerArgs = append(dockerArgs, "-v", cacheHostDir+":/cache")
+	if isHerokuishImage && !isCnbImage {
+		dockerArgs = append(dockerArgs, "-v", fmt.Sprintf("cache-%s:/tmp/cache", appName))
+	}
 	if os.Getenv("DOKKU_TRACE") != "" {
 		dockerArgs = append(dockerArgs, "--env", "DOKKU_TRACE="+os.Getenv("DOKKU_TRACE"))
 	}

tests/unit/app-json.bats

@@ -20,6 +20,9 @@ teardown() {
   echo "output: $output"
   echo "status: $status"
   assert_success
+  assert_output_contains "Executing predeploy task from app.json: touch /app/predeploy.test"
+  assert_output_contains "Executing postdeploy task from app.json: touch /app/postdeploy.test"
+  assert_output_contains "Executing prebuild task from app.json: touch /app/prebuild.test" 0
 
   run docker inspect "${TEST_APP}.web.1" --format "{{json .Config.Cmd}}"
   echo "output: $output"
@@ -37,13 +40,10 @@ teardown() {
   echo "status: $status"
   assert_success
 
-  CID=$(docker ps -a -q -f "ancestor=dokku/${TEST_APP}" -f "label=dokku_phase_script=postdeploy")
-  DOCKER_COMMIT_LABEL_ARGS=("--change" "LABEL org.label-schema.schema-version=1.0" "--change" "LABEL org.label-schema.vendor=dokku" "--change" "LABEL com.dokku.app-name=$TEST_APP")
-  IMAGE_ID=$(docker commit "${DOCKER_COMMIT_LABEL_ARGS[@]}" $CID dokku-test/${TEST_APP})
-  run /bin/bash -c "docker run --rm $IMAGE_ID ls /app/postdeploy.test"
+  run /bin/bash -c "dokku run $TEST_APP ls /app/postdeploy.test"
   echo "output: $output"
   echo "status: $status"
-  assert_success
+  assert_failure
 }
 
 @test "(app-json) app.json scripts postdeploy" {

tests/unit/build-env.bats

@@ -80,31 +80,3 @@ teardown() {
   echo "status: $status"
   assert_output "herokuish"
 }
-
-@test "(build-env) DOKKU_ROOT cache bind is used by default" {
-  run deploy_app
-  echo "output: $output"
-  echo "status: $status"
-  assert_success
-
-  BUILD_CID=$(docker ps -a | grep $TEST_APP | grep /bin/bash | awk '{print $1}' | head -n1)
-  run /bin/bash -c "docker inspect --format '{{ .HostConfig.Binds }}' $BUILD_CID | tr -d '[]' | cut -f1 -d:"
-  echo "output: $output"
-  echo "status: $status"
-  assert_output "$DOKKU_ROOT/$TEST_APP/cache"
-}
-
-@test "(build-env) DOKKU_HOST_ROOT cache bind is used if set" {
-  TMP_ROOT=$(mktemp -d)
-  mkdir -p $DOKKU_ROOT/.dokkurc
-  echo export DOKKU_HOST_ROOT="$TMP_ROOT" >$DOKKU_ROOT/.dokkurc/HOST_ROOT
-  DOKKU_HOST_ROOT="$TMP_ROOT" deploy_app
-
-  BUILD_CID=$(docker ps -a | grep $TEST_APP | grep /bin/bash | awk '{print $1}' | head -n1)
-  run /bin/bash -c "docker inspect --format '{{ .HostConfig.Binds }}' $BUILD_CID | tr -d '[]' | cut -f1 -d:"
-  echo "output: $output"
-  echo "status: $status"
-  assert_output "$TMP_ROOT/$TEST_APP/cache"
-
-  rm -rf $TMP_ROOT $DOKKU_ROOT/.dokkurc/HOST_ROOT
-}

tests/unit/repo.bats

@@ -49,11 +49,6 @@ teardown() {
   echo "status: $status"
   assert_output 1
 
-  run /bin/bash -c "find $DOKKU_ROOT/$TEST_APP/cache -type f | wc -l"
-  echo "count: '$output'"
-  echo "status: $status"
-  assert_output 0
-
   run /bin/bash -c "dokku repo:purge-cache $TEST_APP"
   echo "output: $output"
   echo "status: $status"
@@ -63,9 +58,4 @@ teardown() {
   echo "count: '$output'"
   echo "status: $status"
   assert_output 0
-
-  run /bin/bash -c "find $DOKKU_ROOT/$TEST_APP/cache -type f | wc -l"
-  echo "count: '$output'"
-  echo "status: $status"
-  assert_output 0
 }