Add build tests

Signed-off-by: Pierangelo Di Pilato <pierdipi@redhat.com>

hack/build.sh

@@ -2,4 +2,8 @@
 
 source "$(dirname $0)/common.sh"
 
+export KO_DOCKER_REPO="${KO_DOCKER_REPO:-kind.local}"
+
 build_transform_jsonata_image || exit 1
+
+build_integration_images || exit 1

hack/common.sh

@@ -10,14 +10,21 @@ readonly REPO_ROOT_DIR
 function build_transform_jsonata_image() {
   local image="${KO_DOCKER_REPO}/transform-jsonata:${TAG}"
 
-  docker buildx build \
+  docker build \
     --platform linux/amd64,linux/arm64 \
     -t "${image}" \
     -f "${REPO_ROOT_DIR}/transform-jsonata/Dockerfile" \
-    --push \
     "${REPO_ROOT_DIR}/transform-jsonata" || return $?
 
 
   TRANSFORM_JSONATA_IMAGE=$(docker inspect --format '{{index .RepoDigests 0}}' "${image}")
   export TRANSFORM_JSONATA_IMAGE
 }
+
+function push_transform_jsonata_image() {
+    docker push "${TRANSFORM_JSONATA_IMAGE}"
+}
+
+function build_integration_images() {
+  "${REPO_ROOT_DIR}/mvnw" clean package -P knative -DskipTests || return $?
+}

hack/release.sh

@@ -27,10 +27,11 @@ function build_release() {
 
   # KO_DOCKER_REPO and TAG are calculated in release.sh script
 
-  ./mvnw clean package -P knative -DskipTests || return $?
+  build_integration_images || return $?
 
   # use the function so that the exported TRANSFORM_JSONATA_IMAGE is visible after during generate_transformation_configMap
   build_transform_jsonata_image || return $?
+  push_transform_jsonata_image || return $?
 
   echo "Image build & push completed"
 

test/presubmit-tests.sh

@@ -1,8 +1,12 @@
 #!/usr/bin/env bash
 
-# TODO a placeholder script to CI automation.
-# Can be used to execute integration tests in the future.
+# shellcheck disable=SC1090
+source "$(go run knative.dev/hack/cmd/script presubmit-tests.sh)"
+source "$(go run knative.dev/hack/cmd/script infra-library.sh)"
 
-./hack/build.sh
+function build_tests() {
+  header "Running build tests"
+  ./hack/build.sh || fail_test "build tests failed"
+}
 
-true
+main $@