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+.. This work is licensed under a Creative Commons Attribution 4.0
+.. International License.  http://creativecommons.org/licenses/by/4.0
+.. Copyright (c) 2017-2018 Wind River Systems, Inc.
+
+Tutorial: VESagent configuration and Testing
+````````````````````````````````````````````
+
+VESagent is a FCAPS relaying service offered by MultiCloud Plugin for Wind
+River Titanium Cloud. It allows user to monitor specified VM status and report
+VES collector with onset or abate fault event "Fault_MultiCloud_VMFailure"
+
+VESagent provisoning APIs
+-------------------------
+
+### assume OOM deployment as below endpoints:
+
+*   OOM k8s Node IP, e.g. 10.12.5.184
+*   OOM k8s Node port for multicloud-titaniumcloud POD: 30294
+*   On-boarded cloud region with {cloud-owner}/{cloud-region-id} : CloudOwner/pod01
+*   VES collector endpoint: 10.12.6.79:8081
+
+
+
+.. code-block:: console
+
+    #!/bin/bash
+    export MC_EP_IP=10.12.5.184
+    export MC_EP_PORT=30294
+
+    export MC_EPv0=http://$OPENO_IP:$MC_EP_PORT/api/multicloud-titaniumcloud/v0/CloudOwner_pod01
+    export MC_EPv1=http://$OPENO_IP:$MC_EP_PORT/api/multicloud-titaniumcloud/v1/CloudOwner/pod01
+
+
+
+1. Setup VESagent backlogs
+^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+** Option 1: monitor all VMs of a tenant**
+
+.. code-block:: console
+
+    curl -v -s -H "Content-Type: application/json" -d '{"vesagent_config": \
+         {"backlogs":[ {"domain":"fault","type":"vm","tenant":"VIM"}],\
+         "poll_interval_default":10,"ves_subscription":\
+         {"username":"admin","password":"admin","endpoint":"http://10.12.6.79:8081/eventListener/v5"}}}'\
+          -X POST  $MC_EPv0/vesagent
+
+** Option 2: monitor specified VMs**
+
+.. code-block:: console
+
+    ### zdfw1lb01dns01, zdfw1lb01dns02
+    curl -v -s -H "Content-Type: application/json" -d '{"vesagent_config":\
+         {"backlogs":[ {"source":"zdfw1lb01dns01", "domain":"fault","type":"vm","tenant":"VIM"},\
+          {"source":"zdfw1lb01dns02", "domain":"fault","type":"vm","tenant":"VIM"}],
+         "poll_interval_default":10,"ves_subscription":\
+         {"username":"admin","password":"admin","endpoint":"http://10.12.6.79:8081/eventListener/v5"}}}' \
+         -X POST  $MC_EPv0/vesagent
+
+2. Dump the VESagent backlogs
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. code-block:: console
+
+    curl -v -s -H "Content-Type: application/json" -X GET  $MC_EPv0/vesagent
+
+3. Delete the VESagent backlogs
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. code-block:: console
+
+    curl -v -s -H "Content-Type: application/json" -X DELETE  $MC_EPv0/vesagent
+
+
+VESagent exercises
+------------------
+
+Step 1: Monitor the DMaaP events
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Subscribe to and keep polling DMaaP Topic: "unauthenticated.SEC_FAULT_OUTPUT" with curl command
+
+.. code-block:: console
+
+    curl -X GET \
+          'http://$DMAAP_IP:3904/events/unauthenticated.SEC_FAULT_OUTPUT/EVENT-LISTENER-POSTMAN/304?timeout=6000&limit=10&filter=' \
+          -H 'Cache-Control: no-cache' \
+          -H 'Content-Type: application/json' \
+          -H 'Postman-Token: 4e2e3589-d742-48c7-8d48-d1b3577df259' \
+          -H 'X-FromAppId: 121' \
+          -H 'X-TransactionId: 9999'
+
+
+Step 2: Setup VESagent backlog
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+.. code-block:: console
+
+    ### zdfw1lb01dns01, zdfw1lb01dns02
+    curl -v -s -H "Content-Type: application/json" -d '{"vesagent_config":\
+         {"backlogs":[ {"source":"zdfw1lb01dns01", "domain":"fault","type":"vm","tenant":"VIM"}],\
+         "poll_interval_default":10,"ves_subscription":\
+         {"username":"admin","password":"admin","endpoint":"http://10.12.6.79:8081/eventListener/v5"}}}' \
+         -X POST  $MC_EPv0/vesagent
+
+Step 3: Simulate the Faults
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Manually stop the monitored VMs,e.g. VM with name 'zdfw1lb01dns01',
+
+Step 4: Observe DMaaP event: "Fault_MultiCloud_VMFailure"
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Poll the subscribed DMaaP topic "unauthenticated.SEC_FAULT_OUTPUT" with curl command,
+you should be able to observe the following VES fault event generated from DMaaP:
+
+.. code-block:: console
+
+    [
+
+        "{\"event\":{\"commonEventHeader\":{\"startEpochMicrosec\":1537233558255872,\"sourceId\":\"8e606aa7-39c8-4df7-b2f4-1f6785b9f682\",\"eventId\":\"a236f561-f0fa-48a3-96cd-3a61ccfdf421\",\"reportingEntityId\":\"CloudOwner_pod01\",\"internalHeaderFields\":{\"collectorTimeStamp\":\"Tue, 09 18 2018 01:19:19 GMT\"},\"eventType\":\"\",\"priority\":\"High\",\"version\":3,\"reportingEntityName\":\"CloudOwner_pod01\",\"sequence\":0,\"domain\":\"fault\",\"lastEpochMicrosec\":1537233558255872,\"eventName\":\"Fault_MultiCloud_VMFailure\",\"sourceName\":\"zdfw1lb01dns01\"},\"faultFields\":{\"eventSeverity\":\"CRITICAL\",\"alarmCondition\":\"Guest_Os_Failure\",\"faultFieldsVersion\":2,\"specificProblem\":\"Fault_MultiCloud_VMFailure\",\"alarmInterfaceA\":\"aaaa\",\"alarmAdditionalInformation\":[{\"name\":\"objectType\",\"value\":\"VIM\"},{\"name\":\"eventTime\",\"value\":\"2018-09-18 01:19:18.255937\"}],\"eventSourceType\":\"virtualMachine\",\"vfStatus\":\"Active\"}}}",
+
+    ]
+
+
+Step 5: Simulate the Recovery
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Manually restart the stopped VM 'zdfw1lb01dns01'
+
+
+Step 6: Observe DMaaP event: "Fault_MultiCloud_VMFailureCleared"
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. code-block:: console
+
+    [
+        "{\"event\":{\"commonEventHeader\":{\"startEpochMicrosec\":1537233558255872,\"sourceId\":\"8e606aa7-39c8-4df7-b2f4-1f6785b9f682\",\"eventId\":\"a236f561-f0fa-48a3-96cd-3a61ccfdf421\",\"reportingEntityId\":\"CloudOwner_pod01\",\"internalHeaderFields\":{\"collectorTimeStamp\":\"Tue, 09 18 2018 01:19:31 GMT\"},\"eventType\":\"\",\"priority\":\"Normal\",\"version\":3,\"reportingEntityName\":\"CloudOwner_pod01\",\"sequence\":1,\"domain\":\"fault\",\"lastEpochMicrosec\":1537233570150714,\"eventName\":\"Fault_MultiCloud_VMFailureCleared\",\"sourceName\":\"zdfw1lb01dns01\"},\"faultFields\":{\"eventSeverity\":\"NORMAL\",\"alarmCondition\":\"Vm_Restart\",\"faultFieldsVersion\":2,\"specificProblem\":\"Fault_MultiCloud_VMFailure\",\"alarmInterfaceA\":\"aaaa\",\"alarmAdditionalInformation\":[{\"name\":\"objectType\",\"value\":\"VIM\"},{\"name\":\"eventTime\",\"value\":\"2018-09-18 01:19:30.150736\"}],\"eventSourceType\":\"virtualMachine\",\"vfStatus\":\"Active\"}}}"
+
+    ]