Add grafyaml support

This works almost the same way as JJB. Dashboards are stored in yaml,
puppet detects a file change, and grafana-dashboard publishes the
changes into grafana.

Change-Id: I91d539bdf7273a26dbd6ac46268bf5f98b1ea44f
Depends-On: I2755fe4fee720c7805eed2cb5bdf11de667bbd4f
Depends-On: I07577d72b2d5d6a552a9f50f551263fe3ac47dfb
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

doc/source/grafyaml.rst

@@ -0,0 +1,25 @@
+:title: Grafyaml
+
+.. _grafyaml:
+
+Grafyaml
+########
+
+Grafyaml is a system for configuring Grafana dashboards using
+simple YAML files stored in Git.
+
+At a Glance
+===========
+
+:Hosts:
+  * http://grafana.openstack.org
+:Puppet:
+  * https://github.com/pabelanger/puppet-grafyaml
+:Configuration:
+  * :config:`grafana`
+:Projects:
+  * https://git.openstack.org/cgit/openstack-infra/grafyaml
+:Bugs:
+  * https://storyboard.openstack.org/#!/project/818
+:Resources:
+  * `Reference Manual <http://docs.openstack.org/infra/grafyaml>`_

doc/source/systems.rst

@@ -9,6 +9,7 @@ Major Systems
    cacti
    gerrit
    grafana
+   grafyaml
    jenkins
    zuul
    jjb

manifests/site.pp

@@ -129,6 +129,7 @@ node 'grafana.openstack.org' {
     mysql_name          => hiera('grafana_mysql_name', 'XXX'),
     mysql_password      => hiera('grafana_mysql_password', 'XXX'),
     mysql_user          => hiera('grafana_mysql_user', 'username'),
+    project_config_repo => 'https://git.openstack.org/openstack-infra/project-config',
     secret_key          => hiera('grafana_secret_key', 'XXX'),
   }
 }

modules.env

@@ -85,6 +85,7 @@ INTEGRATION_MODULES["$OPENSTACK_GIT_ROOT/openstack-infra/puppet-exim"]="origin/m
 INTEGRATION_MODULES["$OPENSTACK_GIT_ROOT/openstack-infra/puppet-gerrit"]="origin/master"
 INTEGRATION_MODULES["$OPENSTACK_GIT_ROOT/openstack-infra/puppet-gerritbot"]="origin/master"
 INTEGRATION_MODULES["$OPENSTACK_GIT_ROOT/openstack-infra/puppet-github"]="origin/master"
+INTEGRATION_MODULES["$OPENSTACK_GIT_ROOT/openstack-infra/puppet-grafyaml"]="origin/master"
 INTEGRATION_MODULES["$OPENSTACK_GIT_ROOT/openstack-infra/puppet-graphite"]="origin/master"
 INTEGRATION_MODULES["$OPENSTACK_GIT_ROOT/openstack-infra/puppet-haveged"]="origin/master"
 INTEGRATION_MODULES["$OPENSTACK_GIT_ROOT/openstack-infra/puppet-httpd"]="origin/master"

modules/openstack_project/manifests/grafana.pp

@@ -10,9 +10,12 @@ class openstack_project::grafana (
   $admin_password = '',
   $admin_user = 'admin',
   $grafana_cfg = {},
+  $http_host = '127.0.0.1',
+  $http_port = '8080',
   $mysql_host = '127.0.0.1',
   $mysql_name = 'grafana',
   $mysql_user = 'grafana',
+  $project_config_repo = '',
   $secret_key = '',
   $vhost_name = $::fqdn,
 ) {
@@ -40,8 +43,8 @@ class openstack_project::grafana (
       secret_key     => $secret_key,
     },
     'server'   => {
-      http_addr => '127.0.0.1',
+      http_addr => $http_host,
-      http_port => 8080,
+      http_port => $http_port,
     },
     'users'    => {
       allow_sign_up => false,
@@ -76,4 +79,14 @@ class openstack_project::grafana (
   httpd_mod { 'proxy_http':
     ensure => present,
   }
+
+  class { '::project_config':
+    url  => $project_config_repo,
+  }
+
+  class { '::grafyaml':
+    config_dir  => $::project_config::grafana_dashboards_dir,
+    grafana_url => "http://${admin_user}:${admin_password}@${http_host}:${http_port}",
+    require     => Class['grafana'],
+  }
 }