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authortjuyinkanglin <14_ykl@tongji.edu.cn>2018-03-06 20:07:05 +0800
committertjuyinkanglin <14_ykl@tongji.edu.cn>2018-03-16 02:09:45 +0800
commit6deb8cc2fa1f6d6697bfc14324f6a2a7c9ad56b8 (patch)
treee697e9cc2f462218d9e6319e7d429f64d963e1b0 /docs/testing/user/userguide/opnfv_yardstick_tc090.rst
parent6719224ad22d616cb0dbae2fcc47873acfc6dbf4 (diff)
Test case description and configuration file for yardstick_tc090:Control
Node Openstack Service High Availability - Database Instances JIRA: YARDSTICK-960 Change-Id: Ibe47a9b4d1f095971857fcbaee57a3c7f64f9911 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 TC090
+*************************************
+
++-----------------------------------------------------------------------------+
+|Control Node OpenStack Service High Availability - Database Instances |
+| |
++--------------+--------------------------------------------------------------+
+|test case id | OPNFV_YARDSTICK_TC090: Control node OpenStack service down - |
+| | database instances |
++--------------+--------------------------------------------------------------+
+|test purpose | This test case will verify the high availability of the |
+| | data base instances used by OpenStack (mysql) on control |
+| | node. |
+| | |
++--------------+--------------------------------------------------------------+
+|test method | This test case kills the processes of database service on a |
+| | selected control node, then checks whether the request of |
+| | the related OpenStack command is OK and the killed processes |
+| | are recovered. |
+| | |
++--------------+--------------------------------------------------------------+
+|attackers | In this test case, an attacker called "kill-process" is |
+| | needed. This attacker includes three parameters: |
+| | 1) fault_type: which is used for finding the attacker's |
+| | scripts. It should be always set to "kill-process" in this |
+| | test case. |
+| | 2) process_name: which is the process name of the specified |
+| | OpenStack service. If there are multiple processes use the |
+| | same name on the host, all of them are killed by this |
+| | attacker. |
+| | In this case. This parameter should always set to the name |
+| | of the database service of OpenStack. |
+| | 3) host: which is the name of a control node being attacked. |
+| | |
+| | e.g. |
+| | -fault_type: "kill-process" |
+| | -process_name: "mysql" |
+| | -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 scritps. It should be always set to |
+| | "openstack-cmd" for this monitor. |
+| | 2) command_name: which is the command name used for request. |
+| | In this case, the command name should be neutron related |
+| | commands. |
+| | |
+| | 2. the "process" monitor check whether a process is running |
+| | on a specific node, which needs three parameters: |
+| | 1) monitor_type: which used for finding the monitor class and|
+| | related scripts. It should be always set to "process" |
+| | for this monitor. |
+| | 2) process_name: which is the process name for monitor |
+| | 3) host: which is the name of the node running the process |
+| | |
+| | The examples of monitors show as follows, there are four |
+| | instance of the "openstack-cmd" monitor, in order to check |
+| | the database connection of different OpenStack components. |
+| | |
+| | monitor1: |
+| | -monitor_type: "openstack-cmd" |
+| | -api_name: "openstack image list" |
+| | monitor2: |
+| | -monitor_type: "openstack-cmd" |
+| | -api_name: "openstack router list" |
+| | monitor3: |
+| | -monitor_type: "openstack-cmd" |
+| | -api_name: "openstack stack list" |
+| | monitor4: |
+| | -monitor_type: "openstack-cmd" |
+| | -api_name: "openstack volume list" |
+| | monitor5: |
+| | -monitor_type: "process" |
+| | -process_name: "mysql" |
+| | -host: node1 |
+| | |
++--------------+--------------------------------------------------------------+
+|metrics | In this test case, there are two metrics: |
+| | 1)service_outage_time: which indicates the maximum outage |
+| | time (seconds) of the specified OpenStack command request. |
+| | 2)process_recover_time: which indicates the maximum time |
+| | (seconds) from the process being killed to recovered |
+| | |
++--------------+--------------------------------------------------------------+
+|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_tc090.yaml |
+| | -Attackers: see above "attackers" description |
+| | -waiting_time: which is the time (seconds) from the process |
+| | being killed to stopping monitors the monitors |
+| | -Monitors: see above "monitors" description |
+| | -SLA: see above "metrics" description |
+| | |
+| | 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 kill process script with param value specified by |
+| | "process_name" |
+| | |
+| | Result: Process will be killed. |
+| | |
++--------------+--------------------------------------------------------------+
+|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 will check the|
+| | status of the specified process on the host, and restart the |
+| | process if it is not running for next test cases |
+| | |
++--------------+--------------------------------------------------------------+
+|test verdict | Fails only if SLA is not passed, or if there is a test case |
+| | execution problem. |
+| | |
++--------------+--------------------------------------------------------------+