Merge "Add test case description and task file for TC052"

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diff --git a/docs/userguide/opnfv_yardstick_tc052.rst b/docs/userguide/opnfv_yardstick_tc052.rst
new file mode 100644
index 000000000..9514b6819
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+.. This work is licensed under a Creative Commons Attribution 4.0 International
+.. License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) OPNFV, Yin Kanglin and others.
+.. 14_ykl@tongji.edu.cn
+
+*************************************
+Yardstick Test Case Description TC052
+*************************************
+
++-----------------------------------------------------------------------------+
+|OpenStack Controller Node Disk I/O Block High Availability                   |
+|                                                                             |
++--------------+--------------------------------------------------------------+
+|test case id  | OPNFV_YARDSTICK_TC052: OpenStack Controller Node Disk I/O    |
+|              | Block High Availability                                      |
++--------------+--------------------------------------------------------------+
+|test purpose  | This test case will verify the high availability of control  |
+|              | node. When the disk I/O of a specified disk is blocked,      |
+|              | which breaks down the Openstack services on this node. Read  |
+|              | and write services should still be accessed by other         |
+|              | controller nodes, and the services on failed controller node |
+|              | should be isolated.                                          |
++--------------+--------------------------------------------------------------+
+|test method   | This test case blocks the disk I/O of a specified control    |
+|              | node, then checks whether the services that need to read or  |
+|              | wirte the disk of the control node are OK with some monitor  |
+|              | tools.                                                       |
++--------------+--------------------------------------------------------------+
+|attackers     | In this test case, an attacker called "disk-block" is        |
+|              | needed. This attacker includes two parameters:               |
+|              | 1) fault_type: which is used for finding the attacker's      |
+|              | scripts. It should be always set to "disk-block" in this     |
+|              | test case.                                                   |
+|              | 2) host: which is the name of a control node being attacked. |
+|              | e.g.                                                         |
+|              | -fault_type: "disk-block"                                    |
+|              | -host: node1                                                 |
++--------------+--------------------------------------------------------------+
+|monitors      | In this test case, two kinds of monitor are needed:          |
+|              | 1. the "openstack-cmd" monitor constantly request a specific |
+|              | Openstack command, which needs two parameters:               |
+|              | 1) monitor_type: which is used for finding the monitor class |
+|              | and related scripts. It should be always set to              |
+|              | "openstack-cmd" for this monitor.                            |
+|              | 2) command_name: which is the command name used for request. |
+|              |                                                              |
+|              | e.g.                                                         |
+|              | -monitor_type: "openstack-cmd"                               |
+|              | -command_name: "nova flavor-list"                            |
+|              |                                                              |
+|              | 2. the second monitor verifies the read and write function   |
+|              | by a "operation" and a "result checker".                     |
+|              | the "operation" have two parameters:                         |
+|              | 1) operation_type: which is used for finding the operation   |
+|              | class and related scripts.                                   |
+|              | 2) action_parameter: parameters for the operation.           |
+|              | the "result checker" have three parameters:                  |
+|              | 1) checker_type: which is used for finding the reuslt        |
+|              | checker class and realted scripts.                           |
+|              | 2) expectedValue: the expected value for the output of the   |
+|              | checker script.                                              |
+|              | 3) condition: whether the expected value is in the output of |
+|              | checker script or is totally same with the output.           |
+|              |                                                              |
+|              | In this case, the "operation" adds a flavor and the "result  |
+|              | checker" checks whether ths flavor is created. Their         |
+|              | parameters show as follows:                                  |
+|              | operation:                                                   |
+|              | -operation_type: "nova-create-flavor"                        |
+|              | -action_parameter:                                           |
+|              |    flavorconfig: "test-001 test-001 100 1 1"                 |
+|              | result checker:                                              |
+|              | -checker_type: "check-flavor"                                |
+|              | -expectedValue: "test-001"                                   |
+|              | -condition: "in"                                             |
++--------------+--------------------------------------------------------------+
+|metrics       | In this test case, there is one metric:                      |
+|              | 1)service_outage_time: which indicates the maximum outage    |
+|              | time (seconds) of the specified Openstack command request.   |
++--------------+--------------------------------------------------------------+
+|test tool     | Developed by the project. Please see folder:                 |
+|              | "yardstick/benchmark/scenarios/availability/ha_tools"        |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
+|references    | ETSI NFV REL001                                              |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
+|configuration | This test case needs two configuration files:                |
+|              | 1) test case file: opnfv_yardstick_tc052.yaml                |
+|              | -Attackers: see above "attackers" discription                |
+|              | -waiting_time: which is the time (seconds) from the process  |
+|              | being killed to stoping monitors the monitors                |
+|              | -Monitors: see above "monitors" discription                  |
+|              | -SLA: see above "metrics" discription                        |
+|              |                                                              |
+|              | 2)POD file: pod.yaml                                         |
+|              | The POD configuration should record on pod.yaml first.       |
+|              | the "host" item in this test case will use the node name in  |
+|              | the pod.yaml.                                                |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
+|test sequence | description and expected result                              |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
+|step 1        | do attacker: connect the host through SSH, and then execute  |
+|              | the block disk I/O script on the host.                       |
+|              |                                                              |
+|              | Result: The disk I/O of the host will be blocked             |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
+|step 2        | start monitors:                                              |
+|              | each monitor will run with independently process             |
+|              |                                                              |
+|              | Result: The monitor info will be collected.                  |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
+|step 3        | do operation: add a flavor                                   |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
+|step 4        | do result checker: check whether the falvor is created       |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
+|step 5        | stop monitors after a period of time specified by            |
+|              | "waiting_time"                                               |
+|              |                                                              |
+|              | Result: The monitor info will be aggregated.                 |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
+|step 6        | verify the SLA                                               |
+|              |                                                              |
+|              | Result: The test case is passed or not.                      |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
+|post-action   | It is the action when the test cases exist. It excutes the   |
+|              | release disk I/O script to release the blocked I/O.          |
++--------------+--------------------------------------------------------------+
+|test verdict  | Fails if monnitor SLA is not passed or the result checker is |
+|              | not passed, or if there is a test case execution problem.    |
+|              |                                                              |
++--------------+--------------------------------------------------------------+
diff --git a/tests/opnfv/test_cases/opnfv_yardstick_tc052.yaml b/tests/opnfv/test_cases/opnfv_yardstick_tc052.yaml
new file mode 100644
index 000000000..714306881
--- /dev/null
+++ b/tests/opnfv/test_cases/opnfv_yardstick_tc052.yaml
@@ -0,0 +1,79 @@
+---
+# Test case for TC052 :OpenStack Controller Node Disk I/O Block High Availability
+# This test case is written by new scenario-based HA testing framework
+
+schema: "yardstick:task:0.1"
+scenarios:
+  -
+    type: "GeneralHA"
+    options:
+      attackers:
+        -
+          fault_type: "general-attacker"
+          host: node1
+          key: "block-io"
+          attack_key: "block-io"
+
+      monitors:
+        -
+          monitor_type: "openstack-cmd"
+          key: "nova-flavor-list"
+          command_name: "nova flavor-list"
+          monitor_time: 10
+          sla:
+            max_outage_time: 5
+
+      operations:
+        -
+          operation_type: "general-operation"
+          key: "create-flavor"
+          operation_key: "nova-create-flavor"
+          host: node1
+          action_parameter:
+            flavorconfig: "test-001 test-001 100 1 1"
+          rollback_parameter:
+            flavorid: "test-001"
+
+      resultCheckers:
+        -
+          checker_type: "general-result-checker"
+          key: "check-flavor"
+          host: node1
+          checker_key: "nova-flavor-checker"
+          expectedValue: "test-001"
+          condition: "in"
+
+      steps:
+        -
+          actionKey: "block-io"
+          actionType: "attacker"
+          index: 1
+
+        -
+          actionKey: "nova-flavor-list"
+          actionType: "monitor"
+          index: 2
+
+        -
+          actionKey: "create-flavor"
+          actionType: "operation"
+          index: 3
+
+        -
+          actionKey: "check-flavor"
+          actionType: "resultchecker"
+          index: 4
+
+    nodes:
+      node1: node1.LF
+    runner:
+      type: Duration
+      duration: 1
+    sla:
+      outage_time: 5
+      action: monitor
+
+context:
+  type: Node
+  name: LF
+  file: etc/yardstick/nodes/fuel_virtual/pod.yaml