[202205] Skip SNMP IPv6 testcases in 2022xx 2023xx branches (#10097)#10244
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wangxin merged 1 commit intosonic-net:202205from Oct 10, 2023
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[202205] Skip SNMP IPv6 testcases in 2022xx 2023xx branches (#10097)#10244wangxin merged 1 commit intosonic-net:202205from
wangxin merged 1 commit intosonic-net:202205from
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…t#10097) What is the motivation for this PR? Skip SNMP IPv6 related test cases in 202211,202205 and 202305 branches until the approach to fix IPv6 issue is fixed. PR contains details of the issue and approach sonic-net/SONiC#1457 How did you do it? Skip single asic IPv6 SNMP loopback test case and link local test case in branches with the testcase added. How did you verify/test it? Tested on 202205 single asic VS image (cherry picked from commit a72a4db)
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Cherry-pick #10069 and #10286 to 202205 branch. * Improve the cleanup of processes and interfaces before stopping PTF container (#10244 What is the motivation for this PR? We still observe issues with "testbed-cli.sh remove-topo" and "testbed-cli.sh restart-ptf": Server may crash and run into CPU softlock issue. Some exabgp process cannot be fully stopped and "restart-ptf" may fail. The expectation is that remove-topo and restart-ptf can always be successful. And of course, no server crash. Possible reason of server crash: Some exabgp processes are still running in PTF container while we remove the container. This could cause server crash. Some network interfaces are in the PTF container's network namespace while we remove the container. How did you do it? Added a customized module "ptf_control" to stop&kill processes running in PTF container in a more aggressive and reliable way. Improve the vm_topology module to remove network interfaces from the PTF container in the "unbind" procedure. Added a vm_topology "unbind" step in the "testbed-cli.sh restart-ptf" procedure. Updated some "ip link" commands to fully compliant with the syntax in "ip link help". How did you verify/test it? Tested the add-topo/remove-topo on both physical and KVM testbed. Tested restart-ptf on phsycial testbed. * Avoid running command in exited ptf docker container (#10286) While stopping PTF container, "ptf_control" module is executed to kill all processes in the PTF container. The original code checks if the PTF container's Pid exists before running command in the PTF container. Unfortunately, this check is not enough. PTF docker container in exited status still has Pid. This change improved the code for getting PTF container's Pid. When PTF container is not in "running" status, always return None for PTF container's Pid. Signed-off-by: Xin Wang <[email protected]>
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What is the motivation for this PR?
Skip SNMP IPv6 related test cases in 202211,202205 and 202305 branches until the approach to fix IPv6 issue is fixed. PR contains details of the issue and approach sonic-net/SONiC#1457
How did you do it?
Skip single asic IPv6 SNMP loopback test case and link local test case in branches with the testcase added.
How did you verify/test it?
Tested on 202205 single asic VS image
(cherry picked from commit a72a4db)
Description of PR
Summary:
Fixes # (issue)
Type of change
Back port request
Approach
What is the motivation for this PR?
How did you do it?
How did you verify/test it?
Any platform specific information?
Supported testbed topology if it's a new test case?
Documentation