Refactor common configuration bits from service commands

The prepare_service call from ironic.common.service is changed to also
configure guru meditation and profiler. A new call prepare_command is
provided for the cases it's not required.

Change-Id: I5b9b7b7bc827c8bcda06e9a967deae8577ad87f4

1 files changed, 33 insertions, 1 deletions

diff --git a/ironic/common/service.py b/ironic/common/service.py
index e0a8f1852..db83c147a 100644
--- a/ironic/common/service.py
+++ b/ironic/common/service.py
@@ -15,15 +15,29 @@
 # under the License.
 
 from oslo_log import log
+try:
+    from oslo_reports import guru_meditation_report as gmr
+    from oslo_reports import opts as gmr_opts
+except ImportError:
+    gmr = None
 from oslo_service import service
 
 from ironic.common import config
+from ironic.common import profiler
 from ironic.conf import CONF
 from ironic.conf import opts
 from ironic import objects
+from ironic import version
 
 
-def prepare_service(argv=None):
+LOG = log.getLogger(__name__)
+
+
+def prepare_command(argv=None):
+    """Prepare any Ironic command for execution.
+
+    Sets up configuration and logging, registers objects.
+    """
     argv = [] if argv is None else argv
     log.register_options(CONF)
     opts.update_opt_defaults()
@@ -35,5 +49,23 @@ def prepare_service(argv=None):
     objects.register_all()
 
 
+def prepare_service(name, argv=None, conf=CONF):
+    """Prepare an Ironic service executable.
+
+    In addition to what `prepare_command` does, set up guru meditation
+    reporting and profiling.
+    """
+    prepare_command(argv)
+
+    if gmr is not None:
+        gmr_opts.set_defaults(CONF)
+        gmr.TextGuruMeditation.setup_autorun(version, conf=CONF)
+    else:
+        LOG.debug('Guru meditation reporting is disabled '
+                  'because oslo.reports is not installed')
+
+    profiler.setup(name, CONF.host)
+
+
 def process_launcher():
     return service.ProcessLauncher(CONF, restart_method='mutate')