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authortjuyinkanglin <14_ykl@tongji.edu.cn>2018-03-07 19:26:57 +0800
committertjuyinkanglin <14_ykl@tongji.edu.cn>2018-03-08 13:30:43 +0800
commit6ba89ffd4408358394eec8f947691ff39c5b1665 (patch)
tree0fad8b892547333f64247ac416c3097f420cbb10 /docs
parentd5a2c20d8de2796b2d2e2143ddfb2ba839a0e999 (diff)
Test case description and configuration file for yardstick_tc088
JIRA: YARDSTICK-958 Change-Id: I4b9633deca5b88c836aaeea02454495381fe5843 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 TC088
+*************************************
+
++-----------------------------------------------------------------------------+
+|Control Node Openstack Service High Availability - Nova Scheduler |
+| |
++--------------+--------------------------------------------------------------+
+|test case id | OPNFV_YARDSTICK_TC088: Control node Openstack service down - |
+| | nova scheduler |
++--------------+--------------------------------------------------------------+
+|test purpose | This test case will verify the high availability of the |
+| | compute scheduler service provided by OpenStack (nova- |
+| | scheduler) on control node. |
+| | |
++--------------+--------------------------------------------------------------+
+|test method | This test case kills the processes of nova-scheduler 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 "nova- |
+| | scheduler". |
+| | 3) host: which is the name of a control node being attacked. |
+| | |
+| | e.g. |
+| | -fault_type: "kill-process" |
+| | -process_name: "nova-scheduler" |
+| | -host: node1 |
+| | |
++--------------+--------------------------------------------------------------+
+|monitors | In this test case, one kind of monitor is needed: |
+| | 1. 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 |
+| | |
+| | e.g. |
+| | monitor: |
+| | -monitor_type: "process" |
+| | -process_name: "nova-scheduler" |
+| | -host: node1 |
+| | |
++--------------+--------------------------------------------------------------+
+|operations | In this test case, the following operations are needed: |
+| | 1. "nova-create-instance": create a VM instance to check |
+| | whether the nova-scheduler works normally. |
+| | |
++--------------+--------------------------------------------------------------+
+|metrics | In this test case, there are one metric: |
+| | 1)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_tc088.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 | 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 2 | start monitors: |
+| | each monitor will run with independently process |
+| | |
+| | Result: The monitor info will be collected. |
+| | |
++--------------+--------------------------------------------------------------+
+|step 3 | create a new instance to check whether the nova scheduler |
+| | works normally. |
+| | |
++--------------+--------------------------------------------------------------+
+|step 4 | stop the monitor after a period of time specified by |
+| | "waiting_time" |
+| | |
+| | Result: The monitor info will be aggregated. |
+| | |
++--------------+--------------------------------------------------------------+
+|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. |
+| | |
++--------------+--------------------------------------------------------------+