[eventd] Ignore control character event if it comes in UT #21200
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/azp run Azure.sonic-buildimage |
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Azure Pipelines successfully started running 1 pipeline(s). |
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@lguohan @qiluo-msft Can we merge this PR. This will help us reduce instability in builds because of eventd UT failure |
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Ran ~25 image builds, unable to see failure a single time building eventd |
qiluo-msft
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Dec 24, 2024
mssonicbld
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Dec 24, 2024
Why I did it Fixes sonic-net#21140 In sonic-net#20024 and sonic-net/sonic-swss-common#906, we made the change that when a control character is read, zmq_message_read will return with rc 0, which will create an empty internal event. As part of eventd design, empty structured events are dropped, which leads to control characters being a no-op which is the expected behavior. In UT, we are still always expecting a control character to be the first message to be read by zmq which is not the case as described in sonic-net#20024. We are also not ignoring empty events that are read which is being done by eventd. With this change, control characters are properly ignored if it does after the first test event. How I did it Ignore empty structured events and not expect first zmq_message_read to be control character. How to verify it Manual test/pipeline
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Cherry-pick PR to 202405: #21275 |
mssonicbld
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Dec 25, 2024
Why I did it Fixes #21140 In #20024 and sonic-net/sonic-swss-common#906, we made the change that when a control character is read, zmq_message_read will return with rc 0, which will create an empty internal event. As part of eventd design, empty structured events are dropped, which leads to control characters being a no-op which is the expected behavior. In UT, we are still always expecting a control character to be the first message to be read by zmq which is not the case as described in #20024. We are also not ignoring empty events that are read which is being done by eventd. With this change, control characters are properly ignored if it does after the first test event. How I did it Ignore empty structured events and not expect first zmq_message_read to be control character. How to verify it Manual test/pipeline
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Jan 2, 2025
Why I did it Fixes sonic-net#21140 In sonic-net#20024 and sonic-net/sonic-swss-common#906, we made the change that when a control character is read, zmq_message_read will return with rc 0, which will create an empty internal event. As part of eventd design, empty structured events are dropped, which leads to control characters being a no-op which is the expected behavior. In UT, we are still always expecting a control character to be the first message to be read by zmq which is not the case as described in sonic-net#20024. We are also not ignoring empty events that are read which is being done by eventd. With this change, control characters are properly ignored if it does after the first test event. How I did it Ignore empty structured events and not expect first zmq_message_read to be control character. How to verify it Manual test/pipeline
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Jan 2, 2025
Why I did it Fixes sonic-net#21140 In sonic-net#20024 and sonic-net/sonic-swss-common#906, we made the change that when a control character is read, zmq_message_read will return with rc 0, which will create an empty internal event. As part of eventd design, empty structured events are dropped, which leads to control characters being a no-op which is the expected behavior. In UT, we are still always expecting a control character to be the first message to be read by zmq which is not the case as described in sonic-net#20024. We are also not ignoring empty events that are read which is being done by eventd. With this change, control characters are properly ignored if it does after the first test event. How I did it Ignore empty structured events and not expect first zmq_message_read to be control character. How to verify it Manual test/pipeline
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Jan 2, 2025
Why I did it Fixes sonic-net#21140 In sonic-net#20024 and sonic-net/sonic-swss-common#906, we made the change that when a control character is read, zmq_message_read will return with rc 0, which will create an empty internal event. As part of eventd design, empty structured events are dropped, which leads to control characters being a no-op which is the expected behavior. In UT, we are still always expecting a control character to be the first message to be read by zmq which is not the case as described in sonic-net#20024. We are also not ignoring empty events that are read which is being done by eventd. With this change, control characters are properly ignored if it does after the first test event. How I did it Ignore empty structured events and not expect first zmq_message_read to be control character. How to verify it Manual test/pipeline
VladimirKuk
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Jan 21, 2025
Why I did it Fixes sonic-net#21140 In sonic-net#20024 and sonic-net/sonic-swss-common#906, we made the change that when a control character is read, zmq_message_read will return with rc 0, which will create an empty internal event. As part of eventd design, empty structured events are dropped, which leads to control characters being a no-op which is the expected behavior. In UT, we are still always expecting a control character to be the first message to be read by zmq which is not the case as described in sonic-net#20024. We are also not ignoring empty events that are read which is being done by eventd. With this change, control characters are properly ignored if it does after the first test event. How I did it Ignore empty structured events and not expect first zmq_message_read to be control character. How to verify it Manual test/pipeline
stepanblyschak
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Jan 27, 2025
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Cherry-pick PR to 202411: #21539 |
dgsudharsan
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Jan 29, 2025
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hi @kperumalbfn , for manual merged PRs, we will need to manually update the tag here. otherwise, it will create confusion in PR tracking. |
prabhataravind
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Mar 5, 2025
Why I did it Fixes sonic-net#21140 In sonic-net#20024 and sonic-net/sonic-swss-common#906, we made the change that when a control character is read, zmq_message_read will return with rc 0, which will create an empty internal event. As part of eventd design, empty structured events are dropped, which leads to control characters being a no-op which is the expected behavior. In UT, we are still always expecting a control character to be the first message to be read by zmq which is not the case as described in sonic-net#20024. We are also not ignoring empty events that are read which is being done by eventd. With this change, control characters are properly ignored if it does after the first test event. How I did it Ignore empty structured events and not expect first zmq_message_read to be control character. How to verify it Manual test/pipeline
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yanjundeng
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Apr 23, 2025
Why I did it Fixes sonic-net#21140 In sonic-net#20024 and sonic-net/sonic-swss-common#906, we made the change that when a control character is read, zmq_message_read will return with rc 0, which will create an empty internal event. As part of eventd design, empty structured events are dropped, which leads to control characters being a no-op which is the expected behavior. In UT, we are still always expecting a control character to be the first message to be read by zmq which is not the case as described in sonic-net#20024. We are also not ignoring empty events that are read which is being done by eventd. With this change, control characters are properly ignored if it does after the first test event. How I did it Ignore empty structured events and not expect first zmq_message_read to be control character. How to verify it Manual test/pipeline
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Why I did it
Fixes #21140
In #20024 and sonic-net/sonic-swss-common#906, we made the change that when a control character is read, zmq_message_read will return with rc 0, which will create an empty internal event.
As part of eventd design, empty structured events are dropped, which leads to control characters being a no-op which is the expected behavior.
In UT, we are still always expecting a control character to be the first message to be read by zmq which is not the case as described in #20024. We are also not ignoring empty events that are read which is being done by eventd.
With this change, control characters are properly ignored if it does after the first test event.
Work item tracking
How I did it
Ignore empty structured events and not expect first zmq_message_read to be control character.
How to verify it
Manual test/pipeline
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Tested branch (Please provide the tested image version)
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