[AETHER-852] - Mask the service to enusre Jenkins will load the latest config.

- Only generate the init groovy script for first-time installation
- Remove init groovy script after first-time instllation.
- Moved the variable location

Change-Id: I0c0fb01f21353c817e2de986c86903df0387b9e4
diff --git a/defaults/main.yml b/defaults/main.yml
index 2e82f71..7d5a9a8 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -7,15 +7,22 @@
 jenkins_connection_delay: 5
 jenkins_connection_retries: 60
 
+jenkins_localhost: "127.0.0.1:8080"
 jenkins_home: /var/lib/jenkins
 jenkins_process_user: jenkins
 jenkins_process_group: jenkins
 
-jenkins_url_prefix: ""
 jenkins_java_options: "-Djenkins.install.runSetupWizard=false"
 
 jenkins_init_changes:
-  - option: "JENKINS_ARGS"
-    value: "--prefix={{ jenkins_url_prefix }}"
   - option: "{{ jenkins_java_options_env_var }}"
     value: "{{ jenkins_java_options }}"
+
+jenkins_proxy_host: ""
+jenkins_proxy_port: ""
+jenkins_proxy_noproxy:
+  - "127.0.0.1"
+  - "localhost"
+
+jenkins_admin_username: "admin"
+jenkins_admin_password: "changeme"