[Jenkins] Adding upgrade of git plugin

* Note: Using puppet jenkins::plugin is
   useless here because it doesn't upgrade
   any plugin. It is needed only to install
   new plugins. So the solution here is to
   download the plugin with its dependencies
   and put them into plugins directory.

Change-Id: Ib0e25758d4033ca08c501c471d0af189b8585223

murano-apps/Jenkins/package/Classes/Jenkins.yaml

@@ -5,6 +5,7 @@ Namespaces:
   sys: io.murano.system
   ci_cd_pipeline_murano_app: org.openstack.ci_cd_pipeline_murano_app
   puppet: org.openstack.ci_cd_pipeline_murano_app.puppet
+  conf: io.murano.configuration
 
 Name: Jenkins
 
@@ -85,6 +86,7 @@ Methods:
               - $.createGerritAccount()
               - $.configureGerritPlugin($.gerrit)
               - $.gerrit.createLabelVerified()
+              - $._upgradeGitPlugin()
 
           - $.configureUser()
 
@@ -196,6 +198,13 @@ Methods:
       - $template: $resources.yaml('ConfigureGerritPlugin.template')
       - $.instance.agent.call($template, $resources)
 
+  _upgradeGitPlugin:
+    Body:
+      - $linux: new(conf:Linux)
+      - $resource: new(sys:Resources)
+      - $script: $resource.string('upgrade_git_plugin.sh')
+      - $linux.runCommand($.instance.agent, $script)
+
   destroy:
     Body:
       - $.reportDestroyed()

murano-apps/Jenkins/package/Resources/upgrade_git_plugin.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+# Plugin names are sorted in dependency order.
+# The first ones doesn't have any dependencies while
+# the next ones have the previous ones as the dependencies.
+plugin_list="icon-shim
+ mailer
+ scm-api
+ token-macro
+ parameterized-trigger
+ junit
+ script-security
+ credentials
+ ssh-credentials
+ git-client
+ matrix-project
+ git"
+
+for plugin in $plugin_list
+do
+  curl -L https://updates.jenkins-ci.org/latest/$plugin.hpi > /var/lib/jenkins/plugins/$plugin.hpi
+  chown jenkins:jenkins /var/lib/jenkins/plugins/$plugin.hpi
+  chmod 0644 /var/lib/jenkins/plugins/$plugin.hpi
+done
+
+service jenkins restart