Add clustering environment variable to create clustering.properties file

Update travis build to always build release

.travis.yml

@@ -2,8 +2,4 @@ services:
   - 'docker'
 
 script:
-  - if [[ "$TRAVIS_BRANCH" == "master" ]]; then
-      make release ;
-    else
-      make build ;
-    fi
+  - 'make release'

Makefile

@@ -12,7 +12,7 @@ DOCKER_IMAGE_BASE := jamfdevops
 DOCKER_ORG := 
 DOCKER_IMAGE := jamfpro
 
-IS_TAG=$(shell git describe --exact-match; echo $$?)
+IS_TAG=$(shell git describe --exact-match>/dev/null; echo $$?)
 VERSION=$(shell git --no-pager describe --tags --always)
 SHA=$(shell git rev-parse --verify HEAD)
 BUILD_URL=$(TRAVIS_JOB_WEB_URL)
@@ -65,7 +65,3 @@ repo-login: ## Login to docker repo
 version: ## Output the current version
 	@echo $(VERSION)
 
-testit:
-	if [ "$(IS_TAG)" = "0" ]; then\
-		echo "Hello world";\
-	fi

README.md

@@ -31,6 +31,8 @@ JMXREMOTE_PASSWORD_FILE
 CATALINA_OPTS
 JAVA_OPTS [ -Djava.awt.headless=true ]
 
+MASTER_NODE_NAME -- Enable clustering, when set this container will be the master node, should be set as the hostname from the perspective of MySQL login
+
 ```
 
 ## Data Persistence

configuration.sh

@@ -91,6 +91,16 @@ setup_java_opts() {
   echo_time "\n\nJAVA_OPTS: $JAVA_OPTS \n\n"
 }
 
+create_cluster_properties(){
+  echo_time "Creating the clustering properties file"
+cat <<- EOF > /usr/local/tomcat/webapps/ROOT/WEB-INF/classes/clustering.properties
+  cluster.settings.enabled=true
+  cluster.settings.monitor_frequency=180
+  cluster.node[0]=$MASTER_NODE_NAME
+EOF
+}
+
+
 ##########################################################
 ####################### Executions #######################
 
@@ -104,6 +114,11 @@ else
   echo_time "/usr/local/tomcat/webapps/ROOT exists, skipping ROOT.war deploy"
 fi
 
+if [ ! -z "$MASTER_NODE_NAME" ]; then
+  echo_time "Master node name is set to enable clustering: $MASTER_NODE_NAME"
+  create_cluster_properties
+fi
+
 setup_linux_logging_paths
 
 setup_remote_database