Add compute metadata api to common endpoints

Nova metadata api endpoint was missing from common endpoints.
This patch will be follow by one for compute and network to
make use of these new endpoint.

Change-Id: Ie3e9f27f7d6eec4f4ebb0b1dbebd0b12a03a0b65
Partial-Bug: #1425633

CHANGELOG.md

@@ -7,6 +7,7 @@ This file is used to list changes made in each version of cookbook-openstack-net
 * Use common specific_endpoint routines (bug 1412919)
 * Parameterize dhcp_agents_per_network
 * Parameterize neutron l3 agent HA parameters
+* Make use of new metadata endpoint in common
 
 ## 10.1.0
 * Add support for Neutron VPN Service

attributes/default.rb

@@ -396,10 +396,6 @@ default['openstack']['network']['vpn']['ipsec_status_check_interval'] = 60
 
 # ============================= Metadata Agent Configuration ===============
 
-# The location of the Nova Metadata API service to proxy to (nil uses default)
-default['openstack']['network']['metadata']['nova_metadata_ip'] = '127.0.0.1'
-default['openstack']['network']['metadata']['nova_metadata_port'] = 8775
-
 # The name of the secret databag containing the metadata secret
 default['openstack']['network']['metadata']['secret_name'] = 'neutron_metadata_secret'
 

metadata.rb

@@ -17,5 +17,5 @@ recipe            'openstack-network::vpn_agent', 'Installs packages required fo
   supports os
 end
 
-depends           'openstack-common', '>= 10.2.0'
+depends           'openstack-common', '>= 10.4.0'
 depends           'openstack-identity', '>= 10.0.0'

recipes/metadata_agent.rb

@@ -27,6 +27,7 @@ platform_options = node['openstack']['network']['platform']
 identity_endpoint = internal_endpoint 'identity-internal'
 service_pass = get_password 'service', 'openstack-network'
 metadata_secret = get_secret node['openstack']['network']['metadata']['secret_name']
+compute_metadata_api = internal_endpoint 'compute-metadata-api'
 
 platform_options['neutron_metadata_agent_packages'].each do |pkg|
   package pkg do
@@ -43,7 +44,9 @@ template '/etc/neutron/metadata_agent.ini' do
   variables(
     identity_endpoint: identity_endpoint,
     metadata_secret: metadata_secret,
-    service_pass: service_pass
+    service_pass: service_pass,
+    compute_metadata_ip: compute_metadata_api.host,
+    compute_metadata_port: compute_metadata_api.port
   )
   notifies :restart, 'service[neutron-metadata-agent]', :immediately
   action :create

spec/metadata_agent_spec.rb

@@ -72,15 +72,10 @@ describe 'openstack-network::metadata_agent' do
           expect(chef_run).to render_file(file.name).with_content(/^admin_password = admin_password_value$/)
         end
 
-        %w[nova_metadata_ip nova_metadata_port].each do |conditional_attr|
-          it "displays the #{conditional_attr} attribute when present" do
-            node.set['openstack']['network']['metadata'][conditional_attr] = "network_metadata_#{conditional_attr}_value"
-            expect(chef_run).to render_file(file.name).with_content(/^#{conditional_attr} = network_metadata_#{conditional_attr}_value$/)
-          end
-
-          it "does not display the #{conditional_attr} attribute if not set" do
-            node.set['openstack']['network']['metadata'][conditional_attr] = false
-            expect(chef_run).not_to render_file(file.name).with_content(/^#{conditional_attr} = /)
+        it 'has default metadata ip and port options set' do
+          [/^nova_metadata_ip = 127.0.0.1$/,
+           /^nova_metadata_port = 8775$/].each do |line|
+            expect(chef_run).to render_file(file.name).with_content(line)
           end
         end
 

spec/spec_helper.rb

@@ -127,6 +127,12 @@ shared_context 'endpoint-stubs' do
         scheme: 'compute_scheme',
         host: 'compute_host',
         port: 'compute_port'))
+    allow_any_instance_of(Chef::Recipe).to receive(:internal_endpoint)
+      .with('compute-metadata-api')
+      .and_return(double(
+        scheme: 'compute_metadata_scheme',
+        host: 'compute_metadata_host',
+        port: 'compute_metadata_port'))
     allow_any_instance_of(Chef::Recipe).to receive(:admin_endpoint)
       .with('identity-admin')
       .and_return(double(

templates/default/metadata_agent.ini.erb

@@ -12,16 +12,10 @@ admin_user = <%= node["openstack"]["network"]["service_user"] %>
 admin_password = <%= @service_pass %>
 
 # IP address used by Nova metadata server
-# Default: nova_metadata_ip = 127.0.0.1
-<% if node["openstack"]["network"]["metadata"]["nova_metadata_ip"] -%>
-nova_metadata_ip = <%= node["openstack"]["network"]["metadata"]["nova_metadata_ip"] %>
-<% end -%>
+nova_metadata_ip = <%= @compute_metadata_ip %>
 
 # TCP Port used by Nova metadata server
-# Default: nova_metadata_port = 8775
-<% if node["openstack"]["network"]["metadata"]["nova_metadata_port"] -%>
-nova_metadata_port = <%= node["openstack"]["network"]["metadata"]["nova_metadata_port"] %>
-<% end -%>
+nova_metadata_port = <%= @compute_metadata_port %>
 
 # Which protocol to use for requests to Nova metadata server, http or https
 # nova_metadata_protocol = http