Update find-name.sh

Author: gounthar

dockerfiles/agent-discovery/find-name.sh

@@ -79,15 +79,31 @@ while true; do
   sleep 2  # Wait for 5 seconds before the next iteration of the loop.
 done
 
+## Check if jenkins_controller is reachable, otherwise fall back to multi_jenkins_controller
+JENKINS_CONTROLLER="jenkins_controller"
+if ! curl -s -f --max-time 60 "http://${JENKINS_CONTROLLER}:8080/login" > /dev/null; then
+    echo "Primary controller not reachable, falling back to multi controller..."
+    JENKINS_CONTROLLER="multi_jenkins_controller"
+    if ! curl -s -f --max-time 60 "http://${JENKINS_CONTROLLER}:8080/login" > /dev/null; then
+        echo "Error: Neither primary nor multi controller is reachable"
+        exit 1
+    fi
+fi
+
 # Check If Jenkins is running or not
 # If the message is found, awk exits with a non-zero status (1), and the loop continues.
 # If the message is not found, the loop exits, and the "Jenkins is running" message is displayed.
-timeout 60 bash -c 'until curl -s -f http://jenkins_controller:8080/login > /dev/null; do sleep 5; done' && echo "Jenkins is running" || echo "Jenkins is not running"
+timeout 60 bash -c "until curl -s -f http://${JENKINS_CONTROLLER}:8080/login > /dev/null; do sleep 5; done" && echo "Jenkins is running" || echo "Jenkins is not running"
+# The colon (:) is a no-op command in Bash, which means it does nothing and always returns a true exit status. It is often used as a placeholder or to evaluate expressions without executing any commands.
+# The ${JENKINS_STARTUP_TIMEOUT:=60} part is a parameter expansion. It checks if the JENKINS_STARTUP_TIMEOUT variable is set and not null. If it is not set, it assigns the value 60 to JENKINS_STARTUP_TIMEOUT
+: "${JENKINS_STARTUP_TIMEOUT:=60}"  # Default to 60 seconds if not set
+timeout "${JENKINS_STARTUP_TIMEOUT}" bash -c "until curl -s -f http://${JENKINS_CONTROLLER}:8080/login > /dev/null; do sleep 5; done" && echo "Jenkins is running" || echo "Jenkins is not running"
+
 echo "Jenkins is ready"
 # Get the Jenkins version
-JENKINS_VERSION=$(curl -s -I -k http://admin:admin@jenkins_controller:8080 | grep -i '^X-Jenkins:' | awk '{print $2}')
+JENKINS_VERSION=$(curl -s -I -k http://admin:admin@$JENKINS_CONTROLLER:8080 | grep -i '^X-Jenkins:' | awk '{print $2}')
 echo "Jenkins version is: $JENKINS_VERSION"
 
 # Use the token in the curl command to reload the configuration
-# curl -X POST "http://admin:admin@jenkins_controller:8080/reload-configuration-as-code/?casc-reload-token=$JCASC_TOKEN"
-curl -X POST "http://admin:admin@jenkins_controller:8080/reload-configuration-as-code/?casc-reload-token=thisisnotsecure"
+# curl -X POST "http://admin:admin@$JENKINS_CONTROLLER:8080/reload-configuration-as-code/?casc-reload-token=$JCASC_TOKEN"
+curl -X POST "http://admin:admin@$JENKINS_CONTROLLER:8080/reload-configuration-as-code/?casc-reload-token=thisisnotsecure"