Jenkins in a loop (commaai#34582)

* loop

* better

* clean

* more

* fix

Author: maxime-desroches

Jenkinsfile

@@ -103,7 +103,7 @@ def deviceStage(String stageName, String deviceType, List extra_env, def steps)
             def diffPaths = args.diffPaths ?: []
             def cmdTimeout = args.timeout ?: 9999
 
-            if (branch != "master" && diffPaths && !hasPathChanged(gitDiff, diffPaths)) {
+            if (branch != "master" && !branch.contains("__jenkins_loop_") && diffPaths && !hasPathChanged(gitDiff, diffPaths)) {
               println "Skipping ${name}: no changes in ${diffPaths}."
               return
             } else {
@@ -170,7 +170,7 @@ node {
                          'testing-closet*', 'hotfix-*']
   def excludeRegex = excludeBranches.join('|').replaceAll('\\*', '.*')
 
-  if (env.BRANCH_NAME != 'master') {
+  if (env.BRANCH_NAME != 'master' && !env.BRANCH_NAME.contains('__jenkins_loop_')) {
     properties([
         disableConcurrentBuilds(abortPrevious: true)
     ])

scripts/jenkins_loop_test.sh

@@ -0,0 +1,145 @@
+#!/usr/bin/env bash
+set -e
+
+YELLOW='\033[0;33m'
+GREEN='\033[0;32m'
+UNDERLINE='\033[4m'
+BOLD='\033[1m'
+NC='\033[0m'
+
+BRANCH="master"
+RUNS="20"
+
+COOKIE_JAR=/tmp/cookies
+CRUMB=$(curl -s --cookie-jar $COOKIE_JAR 'https://jenkins.comma.life/crumbIssuer/api/xml?xpath=concat(//crumbRequestField,":",//crumb)')
+
+function loop() {
+  JENKINS_BRANCH="__jenkins_loop_${BRANCH}"
+  API_ROUTE="https://jenkins.comma.life/job/openpilot/job/$JENKINS_BRANCH"
+
+  for run in $(seq 1 $((RUNS / 2))); do
+
+    N=2
+    TEST_BUILDS=()
+
+    # Try to find previous builds
+    ALL_BUILDS=( $(curl -s $API_ROUTE/api/json | jq .builds.[].number 2> /dev/null || :) )
+
+    # No builds. Create branch
+    if [[ ${#ALL_BUILDS[@]} -eq 0 ]]; then
+      TEMP_DIR=$(mktemp -d)
+      GIT_LFS_SKIP_SMUDGE=1 git clone --quiet -b $BRANCH --depth=1 --no-tags [email protected]:commaai/openpilot $TEMP_DIR
+      git -C $TEMP_DIR checkout --quiet -b $JENKINS_BRANCH
+      echo "TESTING" >> $TEMP_DIR/testing_jenkins
+      git -C $TEMP_DIR add testing_jenkins
+      git -C $TEMP_DIR commit --quiet -m "testing"
+      git -C $TEMP_DIR push --quiet -f origin $JENKINS_BRANCH
+      rm -rf $TEMP_DIR
+      FIRST_BUILD=1
+      echo ''
+      echo 'waiting on Jenkins...'
+      echo ''
+      sleep 90
+    else
+      # Found some builds. Wait for them to end if they are still running
+      for i in ${ALL_BUILDS[@]}; do
+        running=$(curl -s $API_ROUTE/$i/api/json/ | jq .inProgress)
+        if [[ $running == "false" ]]; then
+          continue
+        fi
+        TEST_BUILDS=( ${ALL_BUILDS[@]} )
+        N=${#TEST_BUILDS[@]}
+        break
+      done
+    fi
+
+    # No running builds found
+    if [[ ${#TEST_BUILDS[@]} -eq 0 ]]; then
+      FIRST_BUILD=$(curl -s $API_ROUTE/api/json | jq .nextBuildNumber)
+      LAST_BUILD=$((FIRST_BUILD+N-1))
+      TEST_BUILDS=( $(seq $FIRST_BUILD $LAST_BUILD) )
+
+      # Start N new builds
+      for i in ${TEST_BUILDS[@]};
+      do
+        echo "Starting build $i"
+        curl -s --output /dev/null --cookie $COOKIE_JAR -H "$CRUMB" -X POST $API_ROUTE/build?delay=0sec
+        sleep 5
+      done
+      echo ""
+    fi
+
+    # Wait for all builds to end
+    while true; do
+      sleep 30
+
+      count=0
+      for i in ${TEST_BUILDS[@]};
+      do
+        RES=$(curl -s -w "\n%{http_code}" --cookie $COOKIE_JAR -H "$CRUMB" $API_ROUTE/$i/api/json)
+        HTTP_CODE=$(tail -n1 <<< "$RES")
+        JSON=$(sed '$ d' <<< "$RES")
+
+        if [[ $HTTP_CODE == "200" ]]; then
+          STILL_RUNNING=$(echo $JSON | jq .inProgress)
+          if [[ $STILL_RUNNING == "true" ]]; then
+            echo -e "Build $i: ${YELLOW}still running${NC}"
+            continue
+          else
+            count=$((count+1))
+            echo -e "Build $i: ${GREEN}done${NC}"
+          fi
+        else
+          echo "No status for build $i"
+        fi
+      done
+      echo "See live results: ${API_ROUTE}/buildTimeTrend"
+      echo ""
+
+      if [[ $count -ge $N ]]; then
+        break
+      fi
+    done
+
+  done
+}
+
+function usage() {
+  echo ""
+  echo "Run the Jenkins tests multiple times on a specific branch"
+  echo ""
+  echo -e "${BOLD}${UNDERLINE}Options:${NC}"
+  echo -e "  ${BOLD}-n, --n${NC}"
+  echo -e "          Specify how many runs to do (default to ${BOLD}20${NC})"
+  echo -e "  ${BOLD}-b, --branch${NC}"
+  echo -e "          Specify which branch to run the tests against (default to ${BOLD}master${NC})"
+  echo ""
+}
+
+function _looper() {
+  if [[ $# -eq 0 ]]; then
+    usage
+    exit 0
+  fi
+
+  # parse Options
+  while [[ $# -gt 0 ]]; do
+    case $1 in
+      -n | --n ) shift 1; RUNS="$1"; shift 1 ;;
+      -b | --b | --branch | -branch ) shift 1; BRANCH="$1"; shift 1 ;;
+      * ) usage; exit 0 ;;
+    esac
+  done
+
+  echo ""
+  echo -e "You are about to start $RUNS Jenkins builds against the $BRANCH branch."
+  echo -e "If you expect this to run overnight, ${UNDERLINE}${BOLD}unplug the cold reboot power switch${NC} from the testing closet before."
+  echo ""
+  read -p "Press (y/Y) to confirm: " choice
+  if [[ "$choice" == "y" || "$choice" == "Y" ]]; then
+    loop
+  fi
+
+}
+
+_looper $@