Merge pull request #4470 from edx/youngstrom/upgrade-jenkins-lts

Upgrade build_jenkins version to 2.89.4

playbooks/roles/jenkins_build/defaults/main.yml

 build_jenkins_user_uid: 1002
 build_jenkins_group_gid: 1004
-build_jenkins_version: jenkins_2.60.3
+build_jenkins_version: jenkins_2.89.4
 build_jenkins_jvm_args: '-Djava.awt.headless=true -Xmx8192m'
 build_jenkins_configuration_scripts:
   - 1addJarsToClasspath.groovy

playbooks/roles/jenkins_common/defaults/main.yml

@@ -122,6 +122,9 @@ JENKINS_MASTER_SSH_LIST: []
 JENKINS_CUSTOM_SSH_LIST: []
 
 # security
+jenkins_common_security_agent_protocols:
+  - 'JNLP4-connect'
+jenkins_common_security_agent_jnlp_tcp_port: 0
 jenkins_common_security_scopes: 'read:org,user:email'
 
 JENKINS_SECURITY_CLIENT_ID: ''

playbooks/roles/jenkins_common/templates/config/security.yml.j2

 ---
+AGENT_SETTINGS:
+    PROTOCOLS:
+{% for protocol in jenkins_common_security_agent_protocols %}
+      - {{ protocol }}
+{% endfor %}
+    JNLP_TCP_PORT: {{ jenkins_common_security_agent_jnlp_tcp_port }}
 OAUTH_SETTINGS:
   GITHUB_WEB_URI: 'https://github.com'
   GITHUB_API_URI: 'https://api.github.com'