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authortjuyinkanglin <14_ykl@tongji.edu.cn>2016-07-28 14:21:57 +0800
committertjuyinkanglin <14_ykl@tongji.edu.cn>2016-07-29 17:47:04 +0800
commitd461189eb461b9c03d2b6823686cf31214b893b6 (patch)
tree21539fbcb9b124127dc0a3a6ec90fe97da10a721 /docs/userguide/opnfv_yardstick_tc051.rst
parenta2ba9d0d6d2e44dcfeb7693bd0e4f728d5076f13 (diff)
Add test case description and task file for TC051
JIRA: YARDSTICK-296 Change-Id: I2628cb6e6b2ed1dcfa399e8641675666e50e4232 Signed-off-by: tjuyinkanglin <14_ykl@tongji.edu.cn>
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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 TC051
+*************************************
+
++-----------------------------------------------------------------------------+
+|OpenStack Controller Node CPU Overload High Availability |
+| |
++--------------+--------------------------------------------------------------+
+|test case id | OPNFV_YARDSTICK_TC051: OpenStack Controller Node CPU |
+| | Overload High Availability |
++--------------+--------------------------------------------------------------+
+|test purpose | This test case will verify the high availability of control |
+| | node. When the CPU usage of a specified controller node is |
+| | stressed to 100%, which breaks down the Openstack services |
+| | on this node. These Openstack service should able to be |
+| | accessed by other controller nodes, and the services on |
+| | failed controller node should be isolated. |
++--------------+--------------------------------------------------------------+
+|test method | This test case stresses the CPU uasge of a specified control |
+| | node to 100%, then checks whether all services provided by |
+| | the environment are OK with some monitor tools. |
++--------------+--------------------------------------------------------------+
+|attackers | In this test case, an attacker called "stress-cpu" 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 "stress-cpu" in |
+| | this test case. |
+| | 2) host: which is the name of a control node being attacked. |
+| | e.g. |
+| | -fault_type: "stress-cpu" |
+| | -host: node1 |
++--------------+--------------------------------------------------------------+
+|monitors | In this test case, the monitor named "openstack-cmd" is |
+| | needed. The monitor needs needs two parameters: |
+| | 1) monitor_type: which is used for finding the monitor class |
+| | and related scritps. It should be always set to |
+| | "openstack-cmd" for this monitor. |
+| | 2) command_name: which is the command name used for request |
+| | |
+| | There are four instance of the "openstack-cmd" monitor: |
+| | monitor1: |
+| | -monitor_type: "openstack-cmd" |
+| | -command_name: "nova image-list" |
+| | monitor2: |
+| | -monitor_type: "openstack-cmd" |
+| | -command_name: "neutron router-list" |
+| | monitor3: |
+| | -monitor_type: "openstack-cmd" |
+| | -command_name: "heat stack-list" |
+| | monitor4: |
+| | -monitor_type: "openstack-cmd" |
+| | -command_name: "cinder list" |
++--------------+--------------------------------------------------------------+
+|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_tc051.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 | start monitors: |
+| | each monitor will run with independently process |
+| | |
+| | Result: The monitor info will be collected. |
+| | |
++--------------+--------------------------------------------------------------+
+|step 2 | do attacker: connect the host through SSH, and then execute |
+| | the stress cpu script on the host. |
+| | |
+| | Result: The CPU usage of the host will be stressed to 100%. |
+| | |
++--------------+--------------------------------------------------------------+
+|step 3 | stop monitors after a period of time specified by |
+| | "waiting_time" |
+| | |
+| | Result: The monitor info will be aggregated. |
+| | |
++--------------+--------------------------------------------------------------+
+|step 4 | verify the SLA |
+| | |
+| | Result: The test case is passed or not. |
+| | |
++--------------+--------------------------------------------------------------+
+|post-action | It is the action when the test cases exist. It kills the |
+| | process that stresses the CPU usage. |
++--------------+--------------------------------------------------------------+
+|test verdict | Fails only if SLA is not passed, or if there is a test case |
+| | execution problem. |
+| | |
++--------------+--------------------------------------------------------------+