Include auth_token middleware in sample config

This include the default configuration value for keystoneclient
auth_token middleware in ceilometer.conf.sample

Change-Id: I949537f558500e4066d77f896e67d187c880983e
Fixes-Bug: #1177443

etc/ceilometer/ceilometer.conf.sample

@@ -694,6 +694,108 @@
 #backup_count=0
 
 
+[keystone_authtoken]
+
+#
+# Options defined in keystoneclient.middleware.auth_token
+#
+
+# Prefix to prepend at the beginning of the path (string
+# value)
+#auth_admin_prefix=
+
+# Host providing the admin Identity API endpoint (string
+# value)
+#auth_host=127.0.0.1
+
+# Port of the admin Identity API endpoint (integer value)
+#auth_port=35357
+
+# Protocol of the admin Identity API endpoint(http or https)
+# (string value)
+#auth_protocol=https
+
+# Complete public Identity API endpoint (string value)
+#auth_uri=<None>
+
+# API version of the admin Identity API endpoint (string
+# value)
+#auth_version=<None>
+
+# Do not handle authorization requests within the middleware,
+# but delegate the authorization decision to downstream WSGI
+# components (boolean value)
+#delay_auth_decision=false
+
+# Request timeout value for communicating with Identity API
+# server. (boolean value)
+#http_connect_timeout=<None>
+
+# Allows to pass in the name of a fake http_handler callback
+# function used instead of httplib.HTTPConnection or
+# httplib.HTTPSConnection. Useful for unit testing where
+# network is not available. (string value)
+#http_handler=<None>
+
+# Single shared secret with the Keystone configuration used
+# for bootstrapping a Keystone installation, or otherwise
+# bypassing the normal authentication process. (string value)
+#admin_token=<None>
+
+# Keystone account username (string value)
+#admin_user=<None>
+
+# Keystone account password (string value)
+#admin_password=<None>
+
+# Keystone service account tenant name to validate user tokens
+# (string value)
+#admin_tenant_name=admin
+
+# Env key for the swift cache (string value)
+#cache=<None>
+
+# Required if Keystone server requires client certificate
+# (string value)
+#certfile=<None>
+
+# Required if Keystone server requires client certificate
+# (string value)
+#keyfile=<None>
+
+# Directory used to cache files related to PKI tokens (string
+# value)
+#signing_dir=<None>
+
+# If defined, the memcache server(s) to use for caching (list
+# value)
+#memcached_servers=<None>
+
+# In order to prevent excessive requests and validations, the
+# middleware uses an in-memory cache for the tokens the
+# Keystone API returns. This is only valid if memcache_servers
+# is defined. Set to -1 to disable caching completely.
+# (integer value)
+#token_cache_time=300
+
+# Value only used for unit testing (integer value)
+#revocation_cache_time=1
+
+# (optional) if defined, indicate whether token data should be
+# authenticated or authenticated and encrypted. Acceptable
+# values are MAC or ENCRYPT.  If MAC, token data is
+# authenticated (with HMAC) in the cache. If ENCRYPT, token
+# data is encrypted and authenticated in the cache. If the
+# value is not one of these options or empty, auth_token will
+# raise an exception on initialization. (string value)
+#memcache_security_strategy=<None>
+
+# (optional, mandatory if memcache_security_strategy is
+# defined) this string is used for key derivation. (string
+# value)
+#memcache_secret_key=<None>
+
+
 [collector]
 
 #

tools/config/oslo.config.generator.rc

@@ -0,0 +1 @@
+export OSLO_CONFIG_GENERATOR_EXTRA_MODULES=keystoneclient.middleware.auth_token