VESagent monitors all VMs under tenant for ocata

When no server_id or source is provided
Report batch event in case all VMs are monitored

Change-Id: If79fcdbb9385c3a7511694c87811a7955af06cf2
Issue-ID: MULTICLOUD-238
Signed-off-by: Yun Huang <yun.huang@windriver.com>

2 files changed, 52 insertions, 29 deletions

diff --git a/ocata/ocata/vesagent/event_domain/fault_vm.py b/ocata/ocata/vesagent/event_domain/fault_vm.py
index 7e0063e0..e2ad5e97 100644
--- a/ocata/ocata/vesagent/event_domain/fault_vm.py
+++ b/ocata/ocata/vesagent/event_domain/fault_vm.py
@@ -48,15 +48,11 @@ def buildBacklog_fault_vm(vimid, backlog_input):
         #must resolve the tenant id and server id while building the backlog
         tenant_id = backlog_input.get("tenantid", None)
         server_id = backlog_input.get("sourceid", None)
+        server_name = backlog_input.get("source", None)
 
         # should resolve the name to id later
         if tenant_id is None:
             tenant_name = backlog_input["tenant"]
-            server_name = backlog_input["source"]
-
-            if tenant_name is None or server_name is None:
-                logger.warn("tenant and source should be provided as backlog config")
-                return None
 
             # get token
             # resolve tenant_name to tenant_id
@@ -74,8 +70,8 @@ def buildBacklog_fault_vm(vimid, backlog_input):
             token = token_resp["access"]["token"]["id"]
             tenant_id = token_resp["access"]["token"]["tenant"]["id"]
 
-            if server_id is None:
-                # resolve server_name to server_id
+            if server_id is None and server_name:
+                # resolve server_name to server_id in case no wildcast in server_name
                 vserver_api_url_format \
                     = "/{f_vim_id}/compute/v2.1/{f_tenant_id}/servers?name={f_server_name}"
                 vserver_api_url = vserver_api_url_format.format(f_vim_id=vimid,
@@ -100,9 +96,15 @@ def buildBacklog_fault_vm(vimid, backlog_input):
                     return None
 
         #m.c. proxied OpenStack API
-        api_url_fmt = "/{f_vim_id}/compute/v2.1/{f_tenant_id}/servers/{f_server_id}"
-        api_url = api_url_fmt.format(
-                        f_vim_id=vimid, f_tenant_id=tenant_id, f_server_id=server_id)
+        if server_id is None and server_name is None:
+            # monitor all VMs of the specified VIMs since no server_id can be resolved
+            api_url_fmt = "/{f_vim_id}/compute/v2.1/{f_tenant_id}/servers/detail"
+            api_url = api_url_fmt.format(
+                f_vim_id=vimid, f_tenant_id=tenant_id)
+        else:
+            api_url_fmt = "/{f_vim_id}/compute/v2.1/{f_tenant_id}/servers/{f_server_id}"
+            api_url = api_url_fmt.format(
+                            f_vim_id=vimid, f_tenant_id=tenant_id, f_server_id=server_id)
 
         backlog = {
             "backlog_uuid":str(uuid.uuid3(uuid.NAMESPACE_URL,
@@ -167,18 +169,30 @@ def processBacklog_fault_vm(vesAgentConfig, vesAgentState, oneBacklog):
         # encode data
         backlog_uuid = oneBacklog.get("backlog_uuid", None)
         backlogState = vesAgentState.get("%s" % (backlog_uuid), None)
-        last_event = backlogState.get("last_event", None)
-        logger.debug("last event: %s" % last_event)
 
-        this_event = data2event_fault_vm(vimid, oneBacklog, last_event, server_resp)
-
-        if this_event is not None:
-            logger.debug("this event: %s" % this_event)
-            # report data to VES
+        #iterate all VMs
+        all_events = []
+        server_1 = server_resp.get("server",None) # in case querying single server
+        for s in server_resp.get("servers",[server_1] if server_1 else []):
+            server_id = s.get("id", None)
+            server_name = s.get("name", None)
+            if not server_id:
+                continue
+
+            last_event = backlogState.get("last_event_%s" % (server_id), None)
+            logger.debug("last event for server name %s: %s" % (server_name, last_event))
+
+            this_event = data2event_fault_vm(vimid, oneBacklog, last_event, s)
+            if this_event is not None:
+                logger.debug("this event: %s" % this_event)
+                all_events.append(this_event.get("event", None))
+                backlogState["last_event_%s" % (server_id)] = this_event
+
+        # report data to VES
+        if len(all_events) > 0:
             ves_subscription = vesAgentConfig.get("subscription", None)
-            publishAnyEventToVES(ves_subscription, this_event)
+            publishAnyEventToVES(ves_subscription, all_events)
             # store the latest data into cache, never expire
-            backlogState["last_event"] = this_event
 
     except  Exception as e:
         logger.error("exception:%s" % str(e))
@@ -196,7 +210,7 @@ def data2event_fault_vm(vimid, oneBacklog, last_event, vm_data):
 
     try:
 
-        if vm_status_is_fault(vm_data["server"]["status"]):
+        if vm_status_is_fault(vm_data["status"]):
             if last_event is not None \
                     and last_event['event']['commonEventHeader']['eventName'] == 'Fault_MultiCloud_VMFailure':
                 # asserted alarm already, so no need to assert it again
@@ -214,7 +228,7 @@ def data2event_fault_vm(vimid, oneBacklog, last_event, vm_data):
             sequence = 0
 
             startEpochMicrosec = get_epoch_now_usecond()
-            lastEpochMicrosec = get_epoch_now_usecond()
+            lastEpochMicrosec = startEpochMicrosec
 
             eventId = str(uuid.uuid4())
             pass
@@ -230,7 +244,7 @@ def data2event_fault_vm(vimid, oneBacklog, last_event, vm_data):
             eventSeverity = "NORMAL"
             alarmCondition = "Vm_Restart"
             vfStatus = "Active"
-            specificProblem = "Fault_MultiCloud_VMFailureCleared"
+            specificProblem = "Fault_MultiCloud_VMFailure"
             eventType = ''
             reportingEntityId = vimid
             reportingEntityName = vimid
@@ -251,8 +265,8 @@ def data2event_fault_vm(vimid, oneBacklog, last_event, vm_data):
                     'domain': VES_EVENT_FAULT_DOMAIN,
                     'eventId': eventId,
                     'eventType': eventType,
-                    'sourceId': vm_data["server"]['id'],
-                    'sourceName': vm_data["server"]['name'],
+                    'sourceId': vm_data['id'],
+                    'sourceName': vm_data['name'],
                     'reportingEntityId': reportingEntityId,
                     'reportingEntityName': reportingEntityName,
                     'priority': priority,
diff --git a/ocata/ocata/vesagent/vespublish.py b/ocata/ocata/vesagent/vespublish.py
index ab0155c2..b67a64ee 100644
--- a/ocata/ocata/vesagent/vespublish.py
+++ b/ocata/ocata/vesagent/vespublish.py
@@ -21,7 +21,10 @@ import urllib2
 
 logger = logging.getLogger(__name__)
 
-def publishAnyEventToVES(ves_subscription, event):
+def publishAnyEventToVES(ves_subscription, events):
+    if not events or len(events) == 0:
+        return
+
     logger.info("Start to send single event to VES collector.")
     endpoint = ves_subscription.get("endpoint", None)
     username = ves_subscription.get("username", None)
@@ -29,14 +32,20 @@ def publishAnyEventToVES(ves_subscription, event):
 
     if endpoint:
         try:
-            logger.info("publish event to VES: %s", endpoint)
+            if len(events) > 1:
+                endpoint = "%s/eventBatch" % endpoint
+                events = {"eventList": events}
+            elif len(events) == 1:
+                events = {"event": events[0]}
+
+            logger.info("publish event to VES: %s" % endpoint)
             headers = {'Content-Type': 'application/json'}
-            request = urllib2.Request(url=endpoint, headers=headers, data=json.dumps(event))
+            request = urllib2.Request(url=endpoint, headers=headers, data=json.dumps(events))
             time.sleep(1)
             response = urllib2.urlopen(request)
-            logger.info("VES response is: %s", response.read())
+            logger.info("VES response is: %s" % response.read())
         except urllib2.URLError, e:
-            logger.critical("Failed to publish to %s: %s", endpoint, e.reason)
+            logger.critical("Failed to publish to %s: %s" % (endpoint, e.reason))
         except Exception as e:
             logger.error("exception:%s" % str(e))
     else: