nova-compute status is not being used by webui and there are cases

where nova-compute doesn't exist - hence removing the check for
nova-compute from nodemgr

Change-Id: I604d22617fbaf6bd0c7c3234e59c6d4cc86c01fe
Closes-Bug: #1538514

src/nodemgr/vrouter_nodemgr/vrouter_event_manager.py

@@ -65,21 +65,6 @@ def __init__(self, rule_file, discovery_server,
         self.supervisor_serverurl = "unix:///tmp/supervisord_vrouter.sock"
         self.add_current_process()
 
-        os_nova_comp = VrouterProcessStat('openstack-nova-compute')
-        popen_cmd = "openstack-status | grep openstack-nova-compute" + \
-            " | cut -d ':' -f2"
-        (os_nova_comp_state, error_value) = \
-            Popen(popen_cmd, shell=True, stdout=PIPE).communicate()
-        os_nova_comp.process_state = os_nova_comp_state.strip()
-        if (os_nova_comp.process_state == 'active'):
-            os_nova_comp.process_state = 'PROCESS_STATE_RUNNING'
-            os_nova_comp.start_time = str(int(time.time() * 1000000))
-            os_nova_comp.start_count += 1
-        if (os_nova_comp.process_state == 'dead'):
-            os_nova_comp.process_state = 'PROCESS_STATE_FATAL'
-        sys.stderr.write('Openstack Nova Compute status:' +
-                         os_nova_comp.process_state + "\n")
-        self.process_state_db['openstack-nova-compute'] = os_nova_comp
         self.lb_stats = LoadbalancerStats()
     # end __init__
 
@@ -116,10 +101,7 @@ def get_process_stat_object(self, pname):
         return VrouterProcessStat(pname)
 
     # overridden delete_process_handler -
-    # ignore delete in case of openstack-nova-compute
     def delete_process_handler(self, deleted_process):
-        if deleted_process == 'openstack-nova-compute':
-            return
         super(VrouterEventManager,
               self).delete_process_handler(deleted_process)
     # end delete_process_handler
@@ -151,42 +133,6 @@ def runforever(self, test=False):
                 self.event_process_communication(pdata)
             # do periodic events
             if headers['eventname'].startswith("TICK_60"):
-                os_nova_comp = self.process_state_db['openstack-nova-compute']
-                popen_cmd = "openstack-status | " + \
-                    "grep openstack-nova-compute | cut -d ':' -f2"
-                (os_nova_comp_state, error_value) = \
-                    Popen(popen_cmd, shell=True, stdout=PIPE).communicate()
-                if (os_nova_comp_state.strip() == 'active'):
-                    os_nova_comp_state = 'PROCESS_STATE_RUNNING'
-                if (os_nova_comp_state.strip() == 'dead'):
-                    os_nova_comp_state = 'PROCESS_STATE_FATAL'
-                if (os_nova_comp_state.strip() == 'inactive'):
-                    os_nova_comp_state = 'PROCESS_STATE_STOPPED'
-                if (os_nova_comp.process_state != os_nova_comp_state):
-                    os_nova_comp.process_state = os_nova_comp_state.strip()
-                    msg = ('Openstack Nova Compute status changed to:' +
-				os_nova_comp.process_state)
-		    self.msg_log(msg, level=SandeshLevel.SYS_DEBUG)
-                    if (os_nova_comp.process_state == 'PROCESS_STATE_RUNNING'):
-                        os_nova_comp.start_time = \
-                            str(int(time.time() * 1000000))
-                        os_nova_comp.start_count += 1
-                    if (os_nova_comp.process_state == 'PROCESS_STATE_FATAL'):
-                        os_nova_comp.exit_time = \
-                            str(int(time.time() * 1000000))
-                        os_nova_comp.exit_count += 1
-                    if (os_nova_comp.process_state == 'PROCESS_STATE_STOPPED'):
-                        os_nova_comp.stop_time = \
-                            str(int(time.time() * 1000000))
-                        os_nova_comp.stop_count += 1
-                    self.process_state_db['openstack-nova-compute'] = \
-                        os_nova_comp
-                    self.send_process_state_db('vrouter_group')
-                else:
-                    msg = ('Openstack Nova Compute status unchanged at:' +
-				os_nova_comp.process_state)
-		    self.msg_log(msg, level=SandeshLevel.SYS_DEBUG)
-                self.process_state_db['openstack-nova-compute'] = os_nova_comp
                 prev_current_time = self.event_tick_60(prev_current_time)
 
                 # loadbalancer processing