Add overall timeout for the AR pipeline #7261

scripts/build/Jenkins/Jenkinsfile

@@ -12,6 +12,9 @@ INCREMENTAL_BUILD_SCRIPT_PATH = 'scripts/build/bootstrap/incremental_build_util.
 EBS_SNAPSHOT_SCRIPT_PATH = 'scripts/build/tools/ebs_snapshot.py'
 PIPELINE_RETRY_ATTEMPTS = 3
 
+// Number of minutes of inactivity in all stages of the pipeline to reach the timeout
+PIPELINE_TIMEOUT = 60
+
 EMPTY_JSON = readJSON text: '{}'
 
 ENGINE_REPOSITORY_NAME = 'o3de'
@@ -753,6 +756,7 @@ def pipelineConfig = {}
 
 // Start Pipeline
 try {
+    timeout(time: PIPELINE_TIMEOUT, unit: 'MINUTES', activity: true) {
         stage('Setup Pipeline') {
             node('controller') {
                 def envVarList = []
@@ -891,6 +895,7 @@ try {
         if (!someBuildHappened) {
             currentBuild.result = 'NOT_BUILT'
         }
+    }
 }
 catch(Exception e) {
     error "Exception: ${e}"