objstore/azure: Disable Azure blob exception logging #3331
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bwplotka
approved these changes
Oct 17, 2020
Ever since the introduction of the deletion marker, Thanos compact has been filling the logs with Azure blob storage exceptions. As discussed in #2565, the error logging should be handled by Thanos itself, so this patch turns off standard logging from the Azure library. However, [due to the way logging is set up in the library][1], it will always log errors to syslog, regardless of how `ShouldLog` is configured. As such, and until that can be a configurable behavior, care should be taken to handle that from the syslog side as well. [1]: https://github.com/Azure/azure-storage-blob-go/blob/48358e1de5110852097ebbc11c53581d64d47300/azblob/zc_policy_request_log.go#L100-L102 Signed-off-by: Pedro Araujo <phcrva@gmail.com>
Yeah, I agree. The whole logging method is super weird, it forces logging even if you explicitly request for it to not log. I plan on at least opening an issue for that on their end. |
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@bwplotka I didn't change anything since the previous commit that would cause the failed test, only added a comment as discussed. How should I proceed? |
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kakkoyun
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Oct 20, 2020
As a follow-up to #3331, this disables Azure exception logging to syslog. Signed-off-by: Pedro Araujo <phcrva@gmail.com>
pharaujo
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Ever since the introduction of the deletion marker, Thanos compact has been filling the logs with Azure blob storage exceptions. As discussed in #2565, the error logging should be handled by Thanos itself, so this patch turns off standard logging from the Azure library.
However, due to the way logging is set up in the library, it will always log errors to syslog, regardless of how
ShouldLogis configured. As such, and until that can be a configurable behavior, care should be taken to handle that from the syslog side as well.Changes
Disabled exception logging from the Azure Blob storage module
Verification
Compiled locally and ran
thanos compactagainst an Azure blob storage container.