CI: add job using Java 8

We want to support Java 8 (LTS) so this adds a job using this JDK.

.gitlab-ci-files/common-prepare.yml

@@ -19,4 +19,4 @@
   script:
     - docker login -u ${DOCKER_REGISTRY_USER} -p ${DOCKER_REGISTRY_PASS} ${DOCKER_REGISTRY_HOST}
     - cd scripts/${CI_DISTRO_TARGET}
-    - make
+    - make ${MAKE_TARGET}

.gitlab-ci.yml

@@ -24,3 +24,23 @@ debian10:tagged-build:
     TAGGED_BUILD: "true"
   rules:
     - if: '$CI_COMMIT_TAG  =~ /^Release_[0-9]+\.[0-9]+\.[0-9]+$/'
+
+debian10-java8:build:
+  extends: .make_in_docker
+  stage: build
+  variables:
+    CI_DISTRO_TARGET: "debian10"
+    MAKE_TARGET: "java8"
+    DEBIAN_FRONTEND: "noninteractive"
+  rules:
+    - if: '$CI_COMMIT_TAG  !~ /^Release_[0-9]+\.[0-9]+\.[0-9]+$/'
+
+debian10-java8:tagged-build:
+  extends: .make_in_docker
+  stage: build
+  variables:
+    CI_DISTRO_TARGET: "debian10"
+    MAKE_TARGET: "java8"
+    DEBIAN_FRONTEND: "noninteractive"
+  rules:
+    - if: '$CI_COMMIT_TAG  =~ /^Release_[0-9]+\.[0-9]+\.[0-9]+$/'

scripts/debian10/Makefile

@@ -29,3 +29,20 @@ all:
 	docker push $(IMAGE_NAME):$(PEPJNIADAPTER_VERSION)
 	docker push $(IMAGE_NAME):$(PEPJNIADAPTER_VERSION)_libpepadapter-$(LIBPEPADAPTER_VERSION)_engine-$(PEPENGINE_VERSION)
 	docker push $(IMAGE_NAME):latest
+
+java8:
+	-docker pull $(IMAGE_NAME)-java8:latest
+	cd ../../ && docker build --build-arg CURRENT_DISTRO=$(CURRENT_DISTRO) \
+		      --build-arg DOCKER_REGISTRY_HOST=${DOCKER_REGISTRY_HOST} \
+		      --build-arg PEPJNIADAPTER_VERSION=$(PEPJNIADAPTER_VERSION) \
+		      --build-arg LIBPEPADAPTER_VERSION=$(LIBPEPADAPTER_VERSION) \
+		      --build-arg PEPENGINE_VERSION=$(PEPENGINE_VERSION) \
+		      --build-arg SEQUOIA_VERSION=$(SEQUOIA_VERSION) \
+		      --cache-from $(IMAGE_NAME):latest \
+		      --tag=$(IMAGE_NAME)-java8:$(PEPJNIADAPTER_VERSION) \
+		      --tag=$(IMAGE_NAME)-java8:$(PEPJNIADAPTER_VERSION)_libpepadapter-$(LIBPEPADAPTER_VERSION)_engine-$(PEPENGINE_VERSION) \
+		      --tag=$(IMAGE_NAME)-java8:latest \
+		      -f scripts/${CURRENT_DISTRO}/java8.$(DOCKERFILE) .
+	docker push $(IMAGE_NAME)-java8:$(PEPJNIADAPTER_VERSION)
+	docker push $(IMAGE_NAME)-java8:$(PEPJNIADAPTER_VERSION)_libpepadapter-$(LIBPEPADAPTER_VERSION)_engine-$(PEPENGINE_VERSION)
+	docker push $(IMAGE_NAME)-java8:latest

scripts/debian10/build_pEpJNIAdapter.sh

@@ -4,7 +4,7 @@ set -exo
 export LC_ALL=en_US.UTF-8 && \
 
 # JAVA_HOME (only for the pEpJNIAdapter)
-export JAVA_HOME=$(dirname $(dirname $(readlink -f /usr/bin/javac)));
+export JAVA_HOME=$(dirname $(dirname $(readlink -f $(which javac))));
 echo "$JAVA_HOME"
 
 cat >local.conf <<__LOCAL__

scripts/debian10/java8.pEpJNIAdapter.debian10.Dockerfile

@@ -0,0 +1,39 @@
+ARG DOCKER_REGISTRY_HOST
+ARG CURRENT_DISTRO
+ARG LIBPEPADAPTER_VERSION
+ARG PEPENGINE_VERSION
+FROM ${DOCKER_REGISTRY_HOST}/pep-${CURRENT_DISTRO}-libpepadapter:${LIBPEPADAPTER_VERSION}_engine-${PEPENGINE_VERSION}
+
+ENV BUILDROOT /build
+ENV INSTPREFIX /install
+ENV OUTDIR /out
+
+### Install Java 8
+USER root
+RUN apt-get update -yqq && \
+    apt-get install -yqq apt-transport-https ca-certificates wget dirmngr gnupg2 software-properties-common && \
+    wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | apt-key add - && \
+    add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/ && \
+    apt-get update -yqq && \
+    apt-get install -yqq adoptopenjdk-8-hotspot && \
+    rm -rf /var/lib/apt/lists/*
+
+USER pep-builder
+
+### Setup working directory
+RUN mkdir ${BUILDROOT}/pEpJNIAdapter
+COPY . ${BUILDROOT}/pEpJNIAdapter
+USER root
+RUN chown -R pep-builder:pep-builder ${BUILDROOT}/pEpJNIAdapter
+USER pep-builder
+WORKDIR ${BUILDROOT}/pEpJNIAdapter
+
+ARG PEPJNIADAPTER_VERSION
+ARG CURRENT_DISTRO
+
+### Build libpEpAdapter
+RUN sh ./scripts/${CURRENT_DISTRO}/build_pEpJNIAdapter.sh && \
+    install -m 644 -t ${INSTPREFIX}/lib dist/libpEpJNI.a && \
+    install -m 755 -t ${INSTPREFIX}/lib dist/libpEpJNI.so && \
+    install -m 644 -t ${INSTPREFIX}/lib dist/pEp.jar && \
+    rm -rf ${BUILDROOT}/*