Add consoleauth tokens to memcached.

This allows more than one consoleauth process to run at a time.

attributes/default.rb

@@ -186,6 +186,7 @@ when "fedora", "redhat", "centos" # :pragma-foodcritic: ~FC024 - won't fix this
     "api_os_compute_packages" => ["openstack-nova-api"],
     "api_os_compute_service" => "openstack-nova-api",
     "api_os_compute_process_name" => "nova-api",
+    "memcache_python_packages" => [ "python-memcached" ],
     "nova_api_metadata_packages" => ["openstack-nova-api"],
     "nova_api_metadata_process_name" => "nova-api",
     "nova_api_metadata_service" => "openstack-nova-api",
@@ -216,6 +217,7 @@ when "ubuntu"
     "api_os_compute_packages" => ["nova-api-os-compute"],
     "api_os_compute_process_name" => "nova-api-os-compute",
     "api_os_compute_service" => "nova-api-os-compute",
+    "memcache_python_packages" => [ "python-memcache" ],
     "nova_api_metadata_packages" => ["nova-api-metadata"],
     "nova_api_metadata_service" => "nova-api-metadata",
     "nova_api_metadata_process_name" => "nova-api-metadata",

recipes/nova-common.rb

@@ -75,6 +75,8 @@ ksadmin_tenant_name = keystone["admin_tenant_name"]
 ksadmin_user = keystone["admin_user"]
 ksadmin_pass = user_password ksadmin_user
 
+memcache_servers = memcached_servers.join ","
+
 # find the node attribute endpoint settings for the server holding a given role
 identity_admin_endpoint = endpoint "identity-admin"
 identity_endpoint = endpoint "identity-api"
@@ -110,6 +112,7 @@ template "/etc/nova/nova.conf" do
     :novncproxy_bind_host => novnc_proxy_ip,
     :vncserver_listen => vnc_bind_ip,
     :vncserver_proxyclient_address => vnc_bind_ip,
+    :memcache_servers => memcache_servers,
     :rabbit_ipaddress => rabbit_info["host"],
     :rabbit_user => rabbit_user,
     :rabbit_password => rabbit_pass,

recipes/vncproxy.rb

@@ -29,6 +29,13 @@ platform_options["nova_vncproxy_packages"].each do |pkg|
   end
 end
 
+# required to run more than one consoleauth process
+platform_options["memcache_python_packages"].each do |pkg|
+  package pkg do
+    action :install
+  end
+end
+
 # required for vnc console authentication
 platform_options["nova_vncproxy_consoleauth_packages"].each do |pkg|
   package pkg do

templates/default/nova.conf.erb

@@ -90,6 +90,9 @@ novncproxy_port=<%= node["nova"]["novnc_proxy"]["service_port"] %>
 vncserver_listen=<%= @vncserver_listen %>
 vncserver_proxyclient_address=<%= @vncserver_proxyclient_address %>
 
+# store consoleauth tokens in memcached
+memcached_servers=<%= @memcache_servers %>
+
 ##### MISC #####
 # force backing images to raw format
 force_raw_images=<%= node["nova"]["config"]["force_raw_images"] %>