Use pbr for installing wsgi scripts

Change-Id: Ia4f6536336d860b62be6fd42465cf63d59fe2760
Closes-Bug: #1500569

heat/httpd/heat_api.py

@@ -26,22 +26,23 @@ from heat.common import config
 from heat.common.i18n import _LI
 from heat.common import messaging
 from heat.common import profiler
-from heat import version
+from heat import version as hversion
 
-i18n.enable_lazy()
 
-LOG = logging.getLogger('heat.api')
+def init_application():
+    i18n.enable_lazy()
 
-logging.register_options(cfg.CONF)
-version = version.version_info.version_string()
-cfg.CONF(project='heat', prog='heat-api', version=version)
-logging.setup(cfg.CONF, 'heat-api')
-messaging.setup()
+    LOG = logging.getLogger('heat.api')
 
-port = cfg.CONF.heat_api.bind_port
-host = cfg.CONF.heat_api.bind_host
-LOG.info(_LI('Starting Heat REST API on %(host)s:%(port)s'),
-         {'host': host, 'port': port})
-profiler.setup('heat-api', host)
+    logging.register_options(cfg.CONF)
+    version = hversion.version_info.version_string()
+    cfg.CONF(project='heat', prog='heat-api', version=version)
+    logging.setup(cfg.CONF, 'heat-api')
+    messaging.setup()
 
-application = config.load_paste_app()
+    port = cfg.CONF.heat_api.bind_port
+    host = cfg.CONF.heat_api.bind_host
+    profiler.setup('heat-api', host)
+    LOG.info(_LI('Starting Heat REST API on %(host)s:%(port)s'),
+             {'host': host, 'port': port})
+    return config.load_paste_app()

heat/httpd/heat_api_cfn.py

@@ -28,22 +28,24 @@ from heat.common import messaging
 from heat.common import profiler
 from heat import version
 
-i18n.enable_lazy()
 
-LOG = logging.getLogger('heat.api.cfn')
+def init_application():
+    i18n.enable_lazy()
 
-logging.register_options(cfg.CONF)
-cfg.CONF(project='heat',
-         prog='heat-api-cfn',
-         version=version.version_info.version_string())
-logging.setup(cfg.CONF, 'heat-api-cfn')
-logging.set_defaults()
-messaging.setup()
+    LOG = logging.getLogger('heat.api.cfn')
 
-port = cfg.CONF.heat_api_cfn.bind_port
-host = cfg.CONF.heat_api_cfn.bind_host
-LOG.info(_LI('Starting Heat API on %(host)s:%(port)s'),
-         {'host': host, 'port': port})
-profiler.setup('heat-api-cfn', host)
+    logging.register_options(cfg.CONF)
+    cfg.CONF(project='heat',
+             prog='heat-api-cfn',
+             version=version.version_info.version_string())
+    logging.setup(cfg.CONF, 'heat-api-cfn')
+    logging.set_defaults()
+    messaging.setup()
 
-application = config.load_paste_app()
+    port = cfg.CONF.heat_api_cfn.bind_port
+    host = cfg.CONF.heat_api_cfn.bind_host
+    LOG.info(_LI('Starting Heat API on %(host)s:%(port)s'),
+             {'host': host, 'port': port})
+    profiler.setup('heat-api-cfn', host)
+
+    return config.load_paste_app()

heat/httpd/heat_api_cloudwatch.py

@@ -28,22 +28,24 @@ from heat.common import messaging
 from heat.common import profiler
 from heat import version
 
-i18n.enable_lazy()
 
-LOG = logging.getLogger('heat.api.cloudwatch')
+def init_application():
+    i18n.enable_lazy()
 
-logging.register_options(cfg.CONF)
-cfg.CONF(project='heat',
-         prog='heat-api-cloudwatch',
-         version=version.version_info.version_string())
-logging.setup(cfg.CONF, 'heat-api-cloudwatch')
-logging.set_defaults()
-messaging.setup()
+    LOG = logging.getLogger('heat.api.cloudwatch')
 
-port = cfg.CONF.heat_api_cloudwatch.bind_port
-host = cfg.CONF.heat_api_cloudwatch.bind_host
-LOG.info(_LI('Starting Heat CloudWatch API on %(host)s:%(port)s'),
-         {'host': host, 'port': port})
-profiler.setup('heat-api-cloudwatch', host)
+    logging.register_options(cfg.CONF)
+    cfg.CONF(project='heat',
+             prog='heat-api-cloudwatch',
+             version=version.version_info.version_string())
+    logging.setup(cfg.CONF, 'heat-api-cloudwatch')
+    logging.set_defaults()
+    messaging.setup()
 
-application = config.load_paste_app()
+    port = cfg.CONF.heat_api_cloudwatch.bind_port
+    host = cfg.CONF.heat_api_cloudwatch.bind_host
+    LOG.info(_LI('Starting Heat CloudWatch API on %(host)s:%(port)s'),
+             {'host': host, 'port': port})
+    profiler.setup('heat-api-cloudwatch', host)
+
+    return config.load_paste_app()

setup.cfg

@@ -35,6 +35,11 @@ console_scripts =
     heat-engine = heat.cmd.engine:main
     heat-manage = heat.cmd.manage:main
 
+wsgi_scripts =
+    heat-wsgi-api = heat.httpd.heat_api:init_application
+    heat-wsgi-api-cfn = heat.httpd.heat_api_cfn:init_application
+    heat-wsgi-api-cloudwatch = heat.httpd.heat_api_cloudwatch:init_application
+
 oslo.config.opts =
     heat.common.config = heat.common.config:list_opts
     heat.common.crypt = heat.common.crypt:list_opts