Checkpoint changes to build the upstart conf files

conf/stack.ini

@@ -34,6 +34,12 @@ rabbit_host = ${RABBIT_HOST:-$(host:ip)}
 # Sys log enabled or not
 syslog = 0
 
+# These flags are used for starting components under upstart 
+[upstart]
+respawn = 1
+start_event = nova_start
+stop_event = nova_stop
+
 [host]
 
 # Set api host endpoint
@@ -71,6 +77,7 @@ admin_user = admin
 
 # Should nova be in verbose mode?
 verbose = ${NOVA_VERBOSE:-1}
+logdir = ${NOVA_LOGDIR:-/var/log/nova}
 
 # Allow the admin api to be accessible?
 allow_admin_api = 1

conf/templates/general/upstart.conf.tpl

@@ -0,0 +1,11 @@
+# This is a primative starting point for generic upstart configuration files
+# for various nova components.
+author "DevstackPy"
+description "This is the upstart file for %IMAGE%"
+
+start on %START_EVENT%
+stop on  %STOP_EVENT%
+
+%RESPAWN%
+
+exec python %BINDIR%/%IMAGE% --flagfile %CFGFILE%

devstack/components/nova.py

@@ -39,8 +39,10 @@ LOG = logging.getLogger('devstack.components.nova')
 #special generated conf
 API_CONF = 'nova.conf'
 
+UPSTART_CONF_TMPL = 'upstart.conf'
 #normal conf
 PASTE_CONF = 'nova-api-paste.ini'
+
 CONFIGS = [PASTE_CONF]
 
 #this db will be dropped then created
@@ -142,7 +144,7 @@ APP_OPTIONS = {
     'nova-scheduler': ['--flagfile', '%CFGFILE%'],
     'nova-cert': ['--flagfile', '%CFGFILE%'],
     'nova-objectstore': ['--flagfile', '%CFGFILE%'],
-    'nova-consoleauth': [],
+    'nova-consoleauth': ['--flagfile', '%CFGFILE%'],
     'nova-xvpvncproxy': ['--flagfile', '%CFGFILE%'],
 }
 
@@ -275,7 +277,14 @@ class NovaInstaller(comp.PythonInstallComponent):
     def _get_symlinks(self):
         links = dict()
         for fn in self._get_config_files():
+            LOG.info("getting symlink for fn:%s" % (fn))
             source_fn = self._get_target_config_name(fn)
+            LOG.info("symlink for source_fn:%s" % (source_fn))
+            # Anything in APP_OPTIONS is actually an upstart config
+            # and will go into /etc/init
+            if fn in APP_OPTIONS:
+                links[source_fn] = sh.joinpths("/", "etc", "init", fn + ".conf")
+            else:
                 links[source_fn] = sh.joinpths("/", "etc", "nova", fn)
         source_fn = sh.joinpths(self.cfgdir, API_CONF)
         links[source_fn] = sh.joinpths("/", "etc", "nova", API_CONF)
@@ -297,7 +306,9 @@ class NovaInstaller(comp.PythonInstallComponent):
             self.cfg.get("passwords", pw_key)
 
     def _get_config_files(self):
-        return list(CONFIGS)
+        # We'll include the keys from APP_OPTIONS since we want to create
+        # upstart config files for those.
+        return CONFIGS + APP_OPTIONS.keys()
 
     def _setup_network(self):
         LOG.info("Creating your nova network to be used with instances.")
@@ -385,10 +396,44 @@ class NovaInstaller(comp.PythonInstallComponent):
             srcfn = sh.joinpths(self.appdir, "etc", "nova", 'api-paste.ini')
             contents = sh.load_file(srcfn)
             return (srcfn, contents)
+        elif config_fn in APP_OPTIONS:
+            # This is one of the upstart configs, use our general template
+            # for the source
+            LOG.info("Loading upstart template to be used by:%s" % (config_fn))
+            (_, contents) = utils.load_template('general', UPSTART_CONF_TMPL)
+            return (config_fn, contents)
         else:
+            # It's not an upstart config, just do what we used to do
             return comp.PythonInstallComponent._get_source_config(self, config_fn)
 
+    def _get_target_config_name(self, config_fn):
+        if config_fn in APP_OPTIONS:
+            # This is one of the upstart configs. It'll eventually get
+            # symlinked to /etc/init.  Use the APP_OPTIONS key as the base filename
+            result = sh.joinpths(self.cfgdir, config_fn + ".conf")
+            LOG.info("Generated upstart config name:%s" % (result))
+            return result
+        else:
+            # It's not an upstart config, just do what we used to do
+            return comp.PkgInstallComponent._get_target_config_name(self, config_fn)
+
     def _get_param_map(self, config_fn):
+        if config_fn in APP_OPTIONS:
+            # We're processing an upstart config file. We'll need to set
+            # specific values from the general upstart config template
+            LOG.info("Returning parms for update config:%s" % (config_fn))
+            params = dict()
+            params['CFGFILE'] = sh.joinpths(self.cfgdir, API_CONF)
+            params['BINDIR'] = self.bindir
+            params['IMAGE'] = config_fn
+            if self.cfg.get('upstart', 'respawn'):
+                params['RESPAWN'] = "respawn"
+            else:
+                params['RESPAWN'] = ""
+            params['START_EVENT'] = self.cfg.get('upstart', 'start_event')
+            params['STOP_EVENT'] = self.cfg.get('upstart', 'stop_event')
+            return params
+        else:
             return keystone.get_shared_params(self.cfg)
 
     def configure(self):
@@ -547,6 +592,14 @@ class NovaConfConfigurator(object):
         #verbose on?
         if self._getbool('verbose'):
             nova_conf.add_simple('verbose')
+        # Check if we have a logdir specified. If we do, we'll make
+        # sure that it exists. We will *not* use tracewrite because we
+        # don't want to lose the logs when we uninstall
+        logdir = self._getstr('logdir', '/var/log/nova')
+        if logdir:
+            LOG.info("Making sure that logdir exists:%s" % logdir)
+            nova_conf.add('logdir', logdir)
+            sh.mkdir(logdir, True)
 
         #allow the admin api?
         if self._getbool('allow_admin_api'):