Switch Jenkins example to docker. Way faster, less noise when provisi…

…oning

examples/jenkins/Dockerfile

@@ -0,0 +1,2 @@
+FROM jenkins/jenkins:2.128-alpine
+RUN /usr/local/bin/install-plugins.sh git promoted-builds git-client parameterized-trigger build-pipeline-plugin dashboard-view

examples/jenkins/run.sh

@@ -24,31 +24,123 @@ announce() {
 
 hint_at_logs() {
  # shellcheck disable=SC2181
- if [[ "$?" -ne 0 ]]; then
+ if [[ "$?" -ne 0 && -f "$TMP_LOG" ]]; then
  echo
  echo "Logs are in ${TMP_LOG}"
  fi
 }
 
-goal_start() {
- announce "Starting vagrant image"
- echo -n " (give it a few minutes)"
+container_exists() {
+ if [[ -z $(docker container ls -q -a --filter name=buildviz_jenkins_example) ]]; then
+ return 1
+ else
+ return 0
+ fi
+}
+
+jenkins_queue_length() {
+ curl --silent http://localhost:8080/queue/api/json | python -c "import json; import sys; print len(json.loads(sys.stdin.read())['items'])"
+}
+
+build_queue_empty() {
+ if [[ "$(jenkins_queue_length)" -eq 0 ]]; then
+ return 0;
+ else
+ return 1;
+ fi
+}
+
+configure_pipeline() {
+ local job_config
+ local job_name
+ local view_config
+ local view_name
+ (
+ cd "$SCRIPT_DIR"/jobs
+ for job_config in *; do
+ # shellcheck disable=SC2001
+ job_name=$( echo "$job_config" | sed s/.xml$// )
+ curl --fail --silent -X POST --data-binary "@$job_config" -H "Content-Type: application/xml" "${BASE_URL}/createItem?name=${job_name}" > /dev/null
+ curl --fail --silent -X POST --data-binary "@$job_config" "${BASE_URL}/job/${job_name}/config.xml" > /dev/null
+ done
+ )
  (
- cd "$SCRIPT_DIR"
- vagrant up > "$TMP_LOG"
+ cd "$SCRIPT_DIR"/views
+ for view_config in *; do
+ # shellcheck disable=SC2001
+ view_name=$( echo "$view_config" | sed s/.xml$// )
+ curl --fail --silent -X POST --data-binary "@$view_config" -H "Content-Type: application/xml" "${BASE_URL}/createView?name=${view_name}" > /dev/null
+ curl --fail --silent -X POST --data-binary "@$view_config" "${BASE_URL}/view/${view_name}/config.xml" > /dev/null
+ done
  )
+}
+
+trigger_builds() {
+ for _ in 1 2 3 4 5; do
+ curl --fail --silent -X POST "${BASE_URL}/job/Test/build" > /dev/null
+
+ # Wait for build to run to enqueue next
+ sleep 2
+ until build_queue_empty ; do
+ sleep 1
+ done
+ done
+}
+
+provision_jenkins() {
+ docker build "$SCRIPT_DIR" --tag buildviz_jenkins_example
+ docker container create -p 8080:8080 --name buildviz_jenkins_example buildviz_jenkins_example
+ docker container start buildviz_jenkins_example
 
+ echo "Disabling Jenkins security"
+ wait_for_server "$BASE_URL/favicon.ico"
+ sleep 10
+ docker container exec buildviz_jenkins_example rm /var/jenkins_home/config.xml
+ docker container exec buildviz_jenkins_example cp -p /var/jenkins_home/jenkins.install.UpgradeWizard.state /var/jenkins_home/jenkins.install.InstallUtil.lastExecVersion
+ docker container restart buildviz_jenkins_example
  wait_for_server "$BASE_URL"
+
+ echo "Configuring pipeline"
+ configure_pipeline
+ echo "Triggering builds"
+ trigger_builds
+}
+
+goal_start() {
+ if ! container_exists; then
+ announce "Provisioning docker image"
+ echo
+ provision_jenkins
+ echo "done"
+ else
+ announce "Starting docker image"
+ docker container start buildviz_jenkins_example > "$TMP_LOG"
+
+ wait_for_server "$BASE_URL"
+ echo " done"
+ rm "$TMP_LOG"
+ fi
+}
+
+goal_stop() {
+ announce "Stopping docker image"
+ docker container stop buildviz_jenkins_example > "$TMP_LOG"
  echo " done"
  rm "$TMP_LOG"
 }
 
-goal_stop() {
- announce "Stopping vagrant image"
- (
- cd "$SCRIPT_DIR"
- vagrant halt > "$TMP_LOG"
- )
+goal_destroy() {
+ announce "Destroying docker container"
+ docker container stop buildviz_jenkins_example > "$TMP_LOG"
+ docker container rm buildviz_jenkins_example >> "$TMP_LOG"
+ echo " done"
+ rm "$TMP_LOG"
+}
+
+goal_purge() {
+ announce "Purging docker images"
+ docker rmi jenkins/jenkins:2.128-alpine >> "$TMP_LOG"
+ docker rmi buildviz_jenkins_example >> "$TMP_LOG"
  echo " done"
  rm "$TMP_LOG"
 }
@@ -59,7 +151,7 @@ main() {
  if type -t "goal_$1" &>/dev/null; then
  "goal_$1"
  else
- echo "usage: $0 (start|stop)"
+ echo "usage: $0 (start|stop|destroy|purge)"
  fi
 }
 

examples/runJenkinsExample.sh

@@ -21,7 +21,7 @@ clean_up() {
 main() {
  ensure_port_available
 
- echo "This example will download and install Jenkins in a VirtualBox and then sync its output to buildviz"
+ echo "This example will download and install Jenkins via Docker and then sync its output to buildviz"
  echo
  echo "Press any key to continue"