Merge pull request #9338 from alphagov/gatling

add puppet node & class for Gatling

Rakefile

@@ -280,6 +280,7 @@ task :check_consistency_between_aws_and_carrenza do
     govuk::node::s_apt::gemstash_service
     govuk::node::s_asset_base::alert_hostname
     govuk::node::s_base::log_remote
+    govuk::node::s_gatling::apt_mirror_hostname
     govuk::node::s_postgresql_primary::alert_hostname
     govuk_bundler::config::service
     govuk_containers::apps::router::envvars

hieradata_aws/common.yaml

@@ -814,6 +814,8 @@ govuk::node::s_content_data_api_db_admin::apt_mirror_hostname: "%{hiera('apt_mir
 
 govuk::node::s_email_alert_api_db_admin::apt_mirror_hostname: "%{hiera('apt_mirror_hostname')}"
 
+govuk::node::s_gatling::apt_mirror_hostname: "%{hiera('apt_mirror_hostname')}"
+
 govuk::node::s_graphite::apt_mirror_hostname: "%{hiera('apt_mirror_hostname')}"
 
 govuk::node::s_licensify_lb::backend_app_servers:

modules/govuk/manifests/node/s_apt.pp

@@ -117,6 +117,7 @@
   aptly::repo { 'collectd': }
   aptly::repo { 'elastic-beats': }
   aptly::repo { 'etcdctl': }
+  aptly::repo { 'govuk-gatling': }
   aptly::repo { 'gdal': }
   aptly::repo { 'gof3r': }
   aptly::repo { 'google-cloud-sdk-trusty': }

modules/govuk/manifests/node/s_gatling.pp

@@ -0,0 +1,77 @@
+# == Class: govuk::node::s_gatling
+#
+# This machine class is used to run Gatling, a load testing tool.
+#
+# === Parameters
+#
+# [*root_dir*]
+#  The root of the website where Gatling stores its results
+#  Default = '/home/gatling/gatling-software/results'
+#
+# [*repo*]
+#  The github repository where GOV.UK defines its load tests
+#  Default = '[email protected]:alphagov/govuk-load-testing.git'
+#
+# [*commit*]
+#  The version of the repository where GOV.UK defines its load tests
+#  Default = 'master'
+#
+#
+#
+class govuk::node::s_gatling (
+  $root_dir            = '/usr/local/bin/gatling/results',
+  $repo                = 'https://github.com/alphagov/govuk-load-testing.git',
+  $commit              = 'master',
+  $apt_mirror_hostname = undef,
+) inherits govuk::node::s_base {
+
+  # User used to run Gatling
+  govuk_user { 'gatling':
+    fullname => 'GOV.UK Gatling',
+    email    => '[email protected]',
+    groups   => ['admin', 'deploy', 'adm', 'www-data' ],
+  }
+
+  # repository where GOV.UK stores its load tests
+  vcsrepo { '/home/gatling/govuk-load-testing':
+    ensure   => present,
+    provider => git,
+    source   => $repo,
+    revision => $commit,
+    force    => true,
+  }
+
+  # install the JRE and JDK on the Gatling instance
+  include ::govuk_java::openjdk8::jre
+  include ::govuk_java::openjdk8::jdk
+  class { 'govuk_java::set_defaults':
+    jdk => 'openjdk8',
+    jre => 'openjdk8',
+  }
+
+  apt::source { 'govuk-gatling':
+    location     => "http://${apt_mirror_hostname}/govuk-gatling",
+    release      => 'trusty',
+    architecture => $::architecture,
+    repos        => 'main',
+    key          => '3803E444EB0235822AA36A66EC5FE1A937E3ACBB',
+  }
+
+  package { 'govuk-gatling':
+    ensure  => latest,
+    name    => 'gatling-3.1.3.deb',
+    require => Apt::Source['govuk-gatling'],
+  }
+
+  file { '/usr/local/bin/gatling':
+    ensure  => directory,
+    mode    => '0777',
+    recurse => true,
+    require => Package['govuk-gatling'],
+  }
+
+  include nginx
+  nginx::config::site { 'gatling_service':
+    content => template('govuk/node/s_gatling/gatling_cluster_vhost.conf.erb'),
+  }
+}

modules/govuk/templates/node/s_gatling/gatling_cluster_vhost.conf.erb

@@ -0,0 +1,12 @@
+server {
+  server_name gatling.* gatling-origin.*;
+  root <%= @root_dir -%>;
+
+  access_log /var/log/nginx/gatling-access.log timed_combined;
+  access_log /var/log/nginx/gatling-json.event.access.log json_event;
+  error_log /var/log/nginx/gatling-error.log;
+
+  location / {
+    autoindex on;
+  }
+}

modules/govuk_scripts/templates/govuk_node_list_aws.erb

@@ -21,15 +21,15 @@ def ec2_nodes(stackname, nodeclass=None):
     if nodeclass:
         response = client.describe_instances(
                    Filters=[
-                          {'Name': 'tag:aws_stackname', 'Values': [stackname]},
+                          {'Name': 'tag:aws_stackname', 'Values': [stackname, 'govuk']},
                           {'Name': 'tag:aws_migration', 'Values': [nodeclass]},
                           {'Name': 'instance-state-name', 'Values': ['running']}
                    ]
                )
     else:
         response = client.describe_instances(
                    Filters=[
-                          {'Name': 'tag:aws_stackname', 'Values': [stackname]},
+                          {'Name': 'tag:aws_stackname', 'Values': [stackname, 'govuk']},
                           {'Name': 'instance-state-name','Values': ['running']}
                    ]
                )
@@ -47,7 +47,7 @@ def ec2_nodes_list_with_puppet_class(stackname):
 
     response = client.describe_instances(
                    Filters=[
-                          {'Name': 'tag:aws_stackname', 'Values': [stackname]},
+                          {'Name': 'tag:aws_stackname', 'Values': [stackname, 'govuk']},
                           {'Name': 'instance-state-name','Values': ['running']}
                    ]
                )
@@ -72,7 +72,7 @@ def ec2_classes(stackname):
 
     response = client.describe_instances(
            Filters=[
-              {'Name': 'tag:aws_stackname', 'Values': [stackname]},
+              {'Name': 'tag:aws_stackname', 'Values': [stackname, 'govuk']},
               {'Name': 'instance-state-name','Values': ['running']}
            ]
        )

modules/hosts/manifests/purge.pp

@@ -22,6 +22,7 @@
     'mongo-api-1',
     'prometheus-1',
     'search-1',
+    'gatling-1',
   ]
 
   if ! ($::hostname in $whitelist) {