Change gerritbot to install from git

Previously gerritbot installed from a release version. So any change
to gerritbot requires a new release of gerritbot before it can come
into effect.

Change it to install the current git master branch for gerritbot and
use that.

Change-Id: Id229306960a9aa6ccf6241662e7172fce8150d33

manifests/init.pp

@@ -9,21 +9,38 @@ class gerritbot(
   $ssh_rsa_key_contents    = undef,
   $ssh_rsa_pubkey_contents = undef,
   $vhost_name              = $::fqdn,
+  # Where to fetch the git repository from
+  $git_source_repo         = 'https://git.openstack.org/openstack-infra/gerritbot',
+  # Destination directory for the git repository
+  $git_root_dir            = '/opt/gerritbot',
+  # The git branch
+  $git_revision_branch     = 'master',
 ) {
   include ::pip
 
-  package { 'gerritbot':
+  # Clone the git repository
+  vcsrepo { $git_root_dir:
     ensure   => latest,
-    provider => openstack_pip,
+    provider => git,
+    revision => $git_revision_branch,
+    source   => $git_source_repo,
     require  => Class['pip'],
   }
 
+  # Install gerritbot using pip
+  exec { 'install-gerritbot' :
+    command     => "pip install -U -r${git_root_dir}/requirements.txt && pip install --no-deps -U ${git_root_dir}",
+    path        => '/usr/local/bin:/usr/bin:/bin/',
+    refreshonly => true,
+    subscribe   => Vcsrepo[$git_root_dir],
+  }
+
   file { '/etc/init.d/gerritbot':
     ensure  => present,
     group   => 'root',
     mode    => '0555',
     owner   => 'root',
-    require => Package['gerritbot'],
+    require => Exec['install-gerritbot'],
     source  => 'puppet:///modules/gerritbot/gerritbot.init',
   }
 
@@ -33,7 +50,7 @@ class gerritbot(
     hasrestart => true,
     require    => File['/etc/init.d/gerritbot'],
     subscribe  => [
-      Package['gerritbot'],
+      Exec['install-gerritbot'],
       File['/etc/gerritbot/gerritbot.config'],
       File['/etc/gerritbot/channel_config.yaml'],
     ],

metadata.json

@@ -8,5 +8,6 @@
   "project_page": "http://docs.openstack.org/infra/system-config/",
   "issues_url": "https://storyboard.openstack.org/#!/project/717",
   "dependencies": [
+    {"name":"openstackinfra/vcsrepo","version_requirement":">= 0.0.8"}
   ]
 }