openolat#1: added gitlabci code to 13.2 branch

.gitlab-ci.yml

 variables:
-  MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=WARN -Dorg.slf4j.simpleLogger.showDateTime=true -Djava.awt.headless=true -Dhttps.proxyHost=proxy.uibk.ac.at -Dhttps.proxyPort=3128 -Dhttp.proxyHost=proxy.uibk.ac.at -Dhttp.proxyPort=3128"
-  MAVEN_CLI_OPTS: "--batch-mode --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true"
+  POSTGRES_DB: olattest
+  POSTGRES_USER: olat
+  POSTGRES_PASSWORD: $SECRET_POSTGRES_PASSWORD
+  MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=WARN -Dorg.slf4j.simpleLogger.showDateTime=true -Djava.awt.headless=true -Xms512m -Xmx1024m"
+  MAVEN_CLI_OPTS: "-B --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true -s .m2/settings.xml -Dhttp.proxyHost=proxy.uibk.ac.at -Dhttp.proxyPort=3128 -Dhttp.nonProxyHosts='*.uibk.ac.at'"
+
+stages:
+  - test
+  - deploy
 
 cache:
   paths:
     - .m2/repository
 
-.validate: &validate
-  stage: build
-  script:
-    - 'mvn $MAVEN_CLI_OPTS test-compile'
-
-.verify: &verify
+.unittest: &unittest
   stage: test
+  before_script:
+    - 'cp ./scripts/settings.xml .m2/settings.xml'
   script:
-    - 'mvn $MAVEN_CLI_OPTS verify site site:stage'
-  except:
-    - master
+    - 'mvn $MAVEN_CLI_OPTS clean test javadoc:javadoc -Dwith-postgresql -Dtest.env.db.postgresql.host.name=postgres -Dtest.env.db.postgresql.user=$POSTGRES_USER -Dtest.env.db.postgresql.pass=$POSTGRES_PASSWORD -Ptomcat'
+  services:
+    - postgres:9.4
+  tags:
+    - olat
+  artifacts:
+    paths:
+      - target
+    expire_in: 1 week
 
-# Validate merge requests using JDK8
-validate:jdk8:
-  <<: *validate
-  image: maven:3.3.9-jdk-8
+unittest:jdk8:
+  <<: *unittest
+  image: maven:3.5.3-jdk-8
+
+release:
+  stage: deploy
+  image: maven:3.5.3-jdk-8
+  tags:
+    - olat
+  before_script:
+    - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'
+    - eval $(ssh-agent -s)
+    - echo "$SSH_RELEASE_KEY" | tr -d '\r' | ssh-add - > /dev/null
+    - mkdir -p ~/.ssh
+    - chmod 700 ~/.ssh
+    - git config --global user.email "gitlab-runner@$(hostname -f)"
+    - git config --global user.name "GitLab Release Runner"
+    - git remote -v
+    - git branch -v -a
+    - sed "s/__MVN_PASSWORD__/$MVN_PASSWORD/" ./scripts/settings.xml > .m2/settings.xml
+  script:
+    - bash -x ./scripts/uibk-release.sh
+  artifacts:
+    paths:
+      - target/*.war
+    expire_in: 1 week
+  when: manual
 
-# Verify merge requests using JDK8
-verify:jdk8:
-  <<: *verify
-  image: maven:3.3.9-jdk-8

scripts/settings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<settings xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.1.0 http://maven.apache.org/xsd/settings-1.1.0.xsd" xmlns="http://maven.apache.org/SETTINGS/1.1.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <servers>
+    <server>
+      <id>nmvn-lms</id>
+      <username>lmsdev</username>
+      <password>__MVN_PASSWORD__</password>
+    </server>
+  </servers>
+  <mirrors>
+    <mirror>
+      <mirrorOf>central</mirrorOf>
+      <name>remote-repos</name>
+      <url>https://nmvn.uibk.ac.at/artifactory/remote-repos</url>
+      <id>remote-repos</id>
+    </mirror>
+  </mirrors>
+  <profiles>
+    <profile>
+      <repositories>
+        <repository>
+          <snapshots>
+            <enabled>false</enabled>
+          </snapshots>
+          <id>central</id>
+          <name>libs-release</name>
+          <url>https://nmvn.uibk.ac.at/artifactory/libs-release</url>
+        </repository>
+        <repository>
+          <snapshots />
+          <id>snapshots</id>
+          <name>libs-snapshot</name>
+          <url>https://nmvn.uibk.ac.at/artifactory/libs-snapshot</url>
+        </repository>
+      </repositories>
+      <pluginRepositories>
+        <pluginRepository>
+          <snapshots>
+            <enabled>false</enabled>
+          </snapshots>
+          <id>central</id>
+          <name>plugins-release</name>
+          <url>https://nmvn.uibk.ac.at/artifactory/plugins-release</url>
+        </pluginRepository>
+        <pluginRepository>
+          <snapshots />
+          <id>snapshots</id>
+          <name>plugins-snapshot</name>
+          <url>https://nmvn.uibk.ac.at/artifactory/plugins-snapshot</url>
+        </pluginRepository>
+      </pluginRepositories>
+      <id>artifactory</id>
+    </profile>
+  </profiles>
+  <activeProfiles>
+    <activeProfile>artifactory</activeProfile>
+  </activeProfiles>
+  <pluginGroups>
+    <pluginGroup>com.atlassian.maven.plugins</pluginGroup>
+  </pluginGroups>
+  <proxies>
+    <proxy>
+      <id>uibk-proxy</id>
+      <active>true</active>
+      <protocol>http</protocol>
+      <host>proxy.uibk.ac.at</host>
+      <port>3128</port>
+      <username></username>
+      <password></password>
+      <nonProxyHosts>*.uibk.ac.at</nonProxyHosts>
+    </proxy>
+  </proxies>
+</settings>

scripts/uibk-release.sh

+#!/bin/bash
+
+CODE_VERSION_MMP=$(grep "^build\.version" src/main/resources/serviceconfig/olat.properties | sed "s/.*=//" | head -n 1)
+CODE_VERSION_MM=${CODE_VERSION_MMP%.*}
+GIT_REF=$CI_COMMIT_REF_NAME
+GIT_REF_VERSION_MMU=${GIT_REF#*OpenOLAT_}
+GIT_REF_VERSION_MM=${GIT_REF_VERSION_MMU%.uibk}
+
+echo "The last 5 (un)merged tags:"
+/usr/bin/git tag -l --sort creatordate|tail -n 5
+
+echo "The last 5 (un)merged uibk tags:"
+/usr/bin/git tag -l --sort creatordate|grep '\.uibk-'|tail -n 5
+
+echo "The last 5 merged uibk tags:"
+/usr/bin/git tag -l --merged HEAD --sort creatordate|grep '\.uibk-'|tail -n 5
+
+LASTTAG=$(/usr/bin/git tag -l --merged HEAD --sort creatordate|grep '\.uibk-'|tail -n 1)
+LASTTAG_VERSION_MMPU=${LASTTAG#*OpenOLAT_}
+LASTTAG_VERSION_MMP=${LASTTAG_VERSION_MMPU%.uibk*}
+LASTTAG_VERSION_MM=${LASTTAG_VERSION_MMP%.*}
+
+set -e
+
+echo "Checking out the current head as the branch name we are building in:"
+git checkout -B "$CI_BUILD_REF_NAME" "$CI_BUILD_REF"
+
+echo "Testing that the major and minor version of the last tag are equal to the one in olat.properties"
+test "${LASTTAG_VERSION_MM}" = "${CODE_VERSION_MM}"
+
+echo "Testing that the major and minor version of the last tag are equal to the one in the branch name"
+test "${LASTTAG_VERSION_MM}" = "${GIT_REF_VERSION_MM}"
+
+echo "Check if the olat.properties patch release is the same as in our last tag"
+if [[ "$LASTTAG_VERSION_MMP" = "$CODE_VERSION_MMP" ]]
+then
+	echo "the olat.properties version is still the same as for our last release, count up the uibk build number"
+	CURRENT_BUILDNR=${LASTTAG_VERSION_MMPU#*-}
+	NEW_BUILDNR=$(printf "%03d" $((CURRENT_BUILDNR + 1)))
+else
+	echo "the olat.properties version has changed so we start with 001 as the new buildnr"
+	NEW_BUILDNR="001"
+fi
+
+echo "Test if this is a tagged build, we dont do a release in this case!"
+if [[ ! -z "${CI_COMMIT_TAG}" ]]
+then
+	echo "This is a tagged build: ${CI_COMMIT_TAG}, dont do a release when there is already a tag set"
+	exit 1
+fi
+
+echo "Test if the detached head commit ($CI_COMMIT_SHA) is equal to the release branch ($CI_COMMIT_REF_NAME)" 
+if git diff --exit-code $CI_COMMIT_SHA origin/$CI_COMMIT_REF_NAME
+then
+	echo "SHA and REF are equal so we can checkout the branch"
+	git checkout $CI_COMMIT_REF_NAME
+else
+	echo "SHA and REF not equal stopping the release process!"
+	exit 1
+fi
+
+ORIGIN_GIT_URL=$(git remote get-url origin)
+ORIGIN_GIT_SERVER_URL=${ORIGIN_GIT_URL#*@}
+ORIGIN_GIT_SERVER=${ORIGIN_GIT_SERVER_URL%%[:/]*}
+
+ssh-keyscan $ORIGIN_GIT_SERVER > ~/.ssh/known_hosts
+
+NEW_VERSION="${CODE_VERSION_MMP}.uibk-${NEW_BUILDNR}"
+NEW_TAG="OpenOLAT_${NEW_VERSION}"
+
+if /usr/bin/git tag -l | grep $NEW_TAG
+then
+	echo "New tagname already exists in the git repository: $NEW_TAG stopping the release process!"
+	exit 1
+fi
+
+mvn -s .m2/settings.xml -B release:prepare -Darguments="-s .m2/settings.xml -DskipTests=true -DskipSeleniumTests=true" -DreleaseVersion=$NEW_VERSION -DdevelopmentVersion=${LASTTAG_VERSION_MM}-SNAPSHOT -Dtag=${NEW_TAG}
+mvn -s .m2/settings.xml -B release:perform -Darguments="-s .m2/settings.xml -DskipTests=true -DskipSeleniumTests=true"