Record version on container build

This changes default behaviour of build.py to instad of putting latest
tag on it, it puts current kolla version as found in setup.cfg

Change-Id: I4d6e9a0159c6a5598abd58072594df4204427308
Partially-Implements: blueprint upgrade-nova
Partially-Implements: blueprint record-version

ansible/group_vars/all.yml

@@ -114,7 +114,7 @@ magnum_api_port: "9511"
 ####################
 # Openstack options
 ####################
-openstack_release: "latest"
+openstack_release: "1.0.0"
 openstack_logging_verbose: "True"
 openstack_logging_debug: "False"
 

etc/kolla/globals.yml

@@ -75,7 +75,7 @@ neutron_external_interface: "eth1"
 # OpenStack options
 ####################
 # This option is used to specify the tag to use when pulling the Docker images
-#openstack_release: "latest"
+#openstack_release: "1.0.0"
 
 # Use these options to set the various log levels across all OpenStack projects
 #openstack_logging_verbose: "True"

kolla/cmd/build.py

@@ -227,6 +227,14 @@ class WorkerThread(Thread):
         LOG.info('{}:Built'.format(image['name']))
 
 
+def get_kolla_version():
+    local_conf_path = os.path.join(find_base_dir(), "setup.cfg")
+    config = six.moves.configparser.RawConfigParser()
+    config.read(local_conf_path)
+    version = config.get("metadata", "version")
+    return version
+
+
 def find_os_type():
     return platform.linux_distribution()
 
@@ -267,7 +275,7 @@ def merge_args_and_config(settings_from_config_file):
 
     defaults = {
         "namespace": "kollaglue",
-        "tag": "latest",
+        "tag": get_kolla_version(),
         "base": "centos",
         "base_tag": "latest",
         "install_type": "binary",