Add Ubuntu16.04 build dockerfile

Jenkinsfile

@@ -3,28 +3,36 @@ pipeline {
     stages {
         stage('Docker Build') {
             parallel { 
-                stage('Linux x64') {
+                stage('CentOS7 x64') {
                     agent {
                         label "dockerBuild&&linux&&x64"
                     } 
                     steps {
-                        dockerBuild('amd64')
+                        dockerBuild('amd64', 'centos7', 'Dockerfile.CentOS7')
                     }
                 }
-                stage('Linux aarch64') {
+                stage('CentOS7 aarch64') {
                     agent {
                         label "dockerBuild&&linux&&aarch64"
                     }
                     steps {
-                        dockerBuild('arm64')
+                        dockerBuild('arm64', 'centos7', 'Dockerfile.CentOS7')
                     }
                 }
-                stage('Linux ppc64le') {
+                stage('CentOS7 ppc64le') {
                     agent {
                         label "dockerBuild&&linux&&ppc64le"
                     }
                     steps {
-                        dockerBuild('ppc64le')
+                        dockerBuild('ppc64le', 'centos7', 'Dockerfile.CentOS7')
+                    }
+                }
+                stage('Ubuntu16.04 armv7l') {
+                    agent {
+                        label "docker&&linux&&armv7l"
+                    }
+                    steps {
+                        dockerBuild('armv7l', 'ubuntu1604', 'Dockerfile.Ubuntu1604')
                     }
                 }
             }
@@ -43,12 +51,12 @@ pipeline {
     } 
 } 
 
-def dockerBuild(architecture) {
+def dockerBuild(architecture, distro, dockerfile) {
     git poll: false, url: 'https://github.com/adoptium/infrastructure.git'
-    sh label: '', script: "docker build -t adoptopenjdk/centos7_build_image:linux-$architecture -f ansible/Dockerfile.CentOS7 ."
+    sh label: '', script: "docker build -t adoptopenjdk/$distro_build_image:linux-$architecture -f ansible/docker/$dockerfile ."
     // dockerhub is the ID of the credentials stored in Jenkins 
     docker.withRegistry('https://index.docker.io/v1/', 'dockerhub') {
-        sh label: '', script: "docker push adoptopenjdk/centos7_build_image:linux-$architecture"
+        sh label: '', script: "docker push adoptopenjdk/$distro_build_image:linux-$architecture"
     }
 }
 
@@ -57,6 +65,7 @@ def dockerManifest() {
     docker.withRegistry('https://index.docker.io/v1/', 'dockerhub') {
         git poll: false, url: 'https://github.com/adoptium/infrastructure.git'
         sh '''
+            # Centos7
             export TARGET="adoptopenjdk/centos7_build_image"
             AMD64=$TARGET:linux-amd64
             ARM64=$TARGET:linux-arm64
@@ -66,6 +75,12 @@ def dockerManifest() {
             docker manifest annotate $TARGET $ARM64 --arch arm64 --os linux
             docker manifest annotate $TARGET $PPC64LE --arch ppc64le --os linux
             docker manifest push $TARGET
+            # Ubuntu1604
+            export TARGET="adoptopenjdk/ubuntu1604_build_image"
+            ARMV7L=$TARGET:linux-armv7l
+            docker manifest create $TARGET $ARMV7L
+            docker manifest annotate $TARGET $ARMV7L --arch armv7l --os linux
+            docker manifest push $TARGET
         '''
     }
-}
+}

ansible/docker/Dockerfile.Ubuntu1604

@@ -0,0 +1,40 @@
+FROM ubuntu:16.04
+
+ARG user=jenkins
+
+RUN apt-get update
+RUN apt-get -y install python git curl
+RUN curl https://bootstrap.pypa.io/pip/2.7/get-pip.py -o get-pip.py
+RUN python2 get-pip.py
+
+# Prereqs for cryptography module. Ubuntu 16 has cryptography
+# 1.2.3 in its repos. v3 won't build with ssl102
+RUN apt-get -y install python-dev libffi-dev libssl-dev
+RUN apt-get -y install gcc
+RUN pip install cryptography==2.9.2
+
+RUN pip install ansible
+
+COPY . /ansible
+
+RUN echo "localhost ansible_connection=local" > /ansible/hosts
+
+RUN set -eux; \
+ cd /ansible; \
+ ansible-playbook -i hosts /ansible/playbooks/AdoptOpenJDK_Unix_Playbook/main.yml --skip-tags="debug,hosts_file,hostname,adoptopenjdk,jenkins,nagios,superuser,docker,swap_file,crontab,nvidia_cuda_toolkit,ntp_time"
+
+RUN rm -rf /ansible
+
+RUN groupadd -g 1000 ${user}
+RUN useradd -c "Jenkins user" -d /home/${user} -u 1000 -g 1000 -m ${user}
+RUN mv /bin/uname /bin/uname.real && echo "/bin/uname.real \$@ | sed 's/aarch64/armv7l/g'" > /bin/uname && chmod 755 /bin/uname
+
+ENV \
+    JDK7_BOOT_DIR="/usr/lib/jvm/jdk8" \
+    JDK8_BOOT_DIR="/usr/lib/jvm/jdk8" \
+    JDK10_BOOT_DIR="/usr/lib/jvm/jdk-10" \
+    JDK11_BOOT_DIR="/usr/lib/jvm/jdk-11" \
+    JDK13_BOOT_DIR="/usr/lib/jvm/jdk-13" \
+    JDK14_BOOT_DIR="/usr/lib/jvm/jdk-14" \
+    JDKLATEST_BOOT_DIR="/usr/lib/jvm/jdk-14" \
+    JAVA_HOME="/usr/lib/jvm/java-1.8.0-openjdk"

ansible/playbooks/AdoptOpenJDK_Unix_Playbook/roles/Common/tasks/Ubuntu.yml

@@ -117,6 +117,13 @@
     - ansible_architecture == "aarch64"
   tags: build_tools
 
+- name: Install additional build tools for x86
+  package: "name={{ item }} state=latest"
+  with_items: "{{ Additional_Build_Tools_armv7l }}"
+  when:
+    - ansible_architecture == "armv7l"
+  tags: build_tools
+
 #########################
 # Additional Test Tools #
 #########################
@@ -133,6 +140,13 @@
   when:
     - ansible_distribution_major_version == "16"
 
+- name: Install additional Packages specific to Ubuntu 16 (Not armv7l)
+  package: "name={{ item }} state=latest"
+  with_items: openjdk-7-jdk
+  when:
+    - ansible_distribution_major_version == "16"
+    - ansible_architecture != "armv7l"
+
 - name: Install additional Packages specific to Ubuntu 18
   package: "name={{ item }} state=latest"
   with_items: "{{ Additional_Packages_Ubuntu18 }}"

ansible/playbooks/AdoptOpenJDK_Unix_Playbook/roles/Common/vars/Ubuntu.yml

@@ -97,6 +97,10 @@ Additional_Build_Tools_s390x:
 Additional_Build_Tools_aarch64:
   - libpng-dev
 
+Additional_Build_Tools_armv7l:
+  - gcc-7                         # Needed as pre-built version causes crashes
+  - g++-7                         # Needed as pre-built version causes crashes
+
 Test_Tool_Packages:
   - acl
   - mercurial

ansible/playbooks/AdoptOpenJDK_Unix_Playbook/roles/gcc_7/tasks/main.yml

@@ -3,41 +3,51 @@
 # gcc_7 #
 #########
 
-- name: Check if gcc 7.5 is installed on RHEL/CentOS
+- name: Check if gcc 7.5 is installed on RHEL/CentOS/Ubuntu16
   shell: /usr/local/gcc/bin/gcc-7.5 --version 2>&1 > /dev/null
   ignore_errors: yes
   register: gcc7_installed
-  when: ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_distribution == "Debian" and ansible_architecture == "armv7l")
+  when: ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_architecture == "armv7l" and ((ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16") or ansible_distribution == "Debian"))
   tags: gcc_7
 
+- name: Configure gcc75 tarball extension on non-armv7l
+  set_fact: gccsuffix=.xz
+  tags: gcc_7
+  when: ansible_architecture != "armv7l"
+
+- name: Configure gcc75 tarball extension on armv7l
+  set_fact: gccsuffix=.gz
+  tags: gcc_7
+  when: ansible_architecture == "armv7l"
+
 # Unable to check the checksum of the binary as it'll be different for each architecture's tar.xz file
 - name: Download AdoptOpenJDK gcc-7.5.0 binary
   get_url:
-    url: https://ci.adoptopenjdk.net/userContent/gcc/gcc750+ccache.{{ ansible_architecture }}.tar.xz
-    dest: '/tmp/ansible-adoptopenjdk-gcc-7.tar.xz'
+    url: https://ci.adoptopenjdk.net/userContent/gcc/gcc750+ccache.{{ ansible_architecture }}.tar{{ gccsuffix }}
+    dest: '/tmp/ansible-adoptopenjdk-gcc-7.tar{{ gccsuffix }}'
     force: no
     mode: 0644
   when:
-    - ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_distribution == "Debian" and ansible_architecture == "armv7l")
+    - ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_architecture == "armv7l" and ((ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16") or ansible_distribution == "Debian"))
     - gcc7_installed.rc != 0
   tags: gcc_7
 
 - name: Extract AdoptOpenJDK gcc-7 binary to /usr/local/gcc
   unarchive:
-    src: /tmp/ansible-adoptopenjdk-gcc-7.tar.xz
+    src: /tmp/ansible-adoptopenjdk-gcc-7.tar{{ gccsuffix }}
     dest: /usr/local/
     copy: False
   when:
-    - ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_distribution == "Debian" and ansible_architecture == "armv7l")
+    - ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_architecture == "armv7l" and ((ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16") or ansible_distribution == "Debian"))
     - gcc7_installed.rc != 0
   tags: gcc_7
 
 - name: Remove downloaded gcc 7 binary tarball
   file:
-    path: '/tmp/ansible-adoptopenjdk-gcc-7.tar.xz'
+    path: '/tmp/ansible-adoptopenjdk-gcc-7.tar{{ gccsuffix }}'
     state: absent
   when:
-    - ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_distribution == "Debian" and ansible_architecture == "armv7l")
+    - ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_architecture == "armv7l" and ((ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16") or ansible_distribution == "Debian"))
     - gcc7_installed.rc != 0
   tags: gcc_7
 
@@ -48,7 +58,7 @@
     path: /usr/local/bin/ccache
   register: ccache_symlink
   when:
-    - ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_distribution == "Debian" and ansible_architecture == "armv7l")
+    - ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_architecture == "armv7l" and ((ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16") or ansible_distribution == "Debian"))
   tags: gcc_7
 
 - name: Create symlink for ccache
@@ -57,6 +67,6 @@
     dest: /usr/local/bin/ccache
     state: link
   when:
-    - ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_distribution == "Debian" and ansible_architecture == "armv7l")
+    - ansible_distribution == "RedHat" or ansible_distribution == "CentOS" or ansible_distribution == "openSUSE" or (ansible_architecture == "armv7l" and ((ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16") or ansible_distribution == "Debian"))
     - not ccache_symlink.stat.exists
   tags: gcc_7