Add the ceilometer middleware

Change-Id: Ibcdaa1218c8d027dc3e4b6d2cd394e9d0af8c6da

manifests/proxy/ceilometer.pp

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+#
+# Configure ceilometer middleware for swift
+#
+# == Dependencies
+#
+# puppet-ceilometer (http://github.com/enovance/puppet-ceilometer)
+#
+# == Examples
+#
+# == Authors
+#
+#   Francois Charlier fcharlier@enovance.com
+#
+# == Copyright
+#
+# Copyright 2013 eNovance licensing@enovance.com
+#
+class swift::proxy::ceilometer(
+  $ensure = 'present'
+) inherits swift {
+
+  include $::swift::params
+
+  User['swift'] {
+    groups +> 'ceilometer',
+  }
+
+  concat::fragment { 'swift_ceilometer':
+    target  => '/etc/swift/proxy-server.conf',
+    content => template('swift/proxy/ceilometer.conf.erb'),
+    order   => '33',
+    require => Class['::ceilometer']
+  }
+
+}

spec/classes/swift_proxy_ceilometer_spec.rb

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+require 'spec_helper'
+
+describe 'swift::proxy::ceilometer' do
+
+  let :facts do
+    {
+      :concat_basedir => '/var/lib/puppet/concat',
+      :osfamily => 'Debian'
+    }
+  end
+
+  let :pre_condition do
+    'class { "concat::setup": }
+     concat { "/etc/swift/proxy-server.conf": }
+     class { "ssh::server::install": }
+     class { "swift":
+        swift_hash_suffix => "dummy"
+     }'
+  end
+
+  let :fragment_file do
+    "/var/lib/puppet/concat/_etc_swift_proxy-server.conf/fragments/33_swift_ceilometer"
+  end
+
+  it { should contain_file(fragment_file).with_content(/[filter:ceilometer]/) }
+  it { should contain_file(fragment_file).with_content(/use = egg:ceilometer#swift/) }
+  it { should contain_concat__fragment('swift_ceilometer').with_require('Class[::Ceilometer]') }
+  it { should contain_user('swift').with_groups('ceilometer') }
+
+end

templates/proxy/ceilometer.conf.erb

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+[filter:ceilometer]
+use = egg:ceilometer#swift
+