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Fix Segfault with MSK new 3.7.x version candidates #7

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merged 2 commits into from
Jul 15, 2024

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Jumanjii
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Why

AWS changed their version naming convention on
MSK
leading to a new 3.7.x version candidate for upgrade (automatic patch update handled by AWS)

This generates Segfault in this application with the go-version/semver library not parsing it correctly.

We fixed this issue by updating the MSK handler to replace those 'x' version parts with a valid number.

Because AWS is handling all patch versions, replacing it with 0 should produce the expected result we want on the upgrade manager service.

How

  • Update MSK source version connector to handle semver containing 'x'
  • Update the semver Sort function to return a proper error instead of crashing with segfault
  • The codebase already expose a metric with the number of processingError. Alert can be built on this metric to be notified of future version issues without having the application crash and failing to produce reports for all other monitored source

## Why
AWS [changed their version naming convention on
MSK](https://docs.aws.amazon.com/msk/latest/developerguide/supported-kafka-versions.html#3.7.kraft)
leading to a new 3.7.x version candidate for upgrade (automatic patch
update handled by AWS)

This is generating Segfault in this application with the
go-version/semver library not parsing it correctly.

We fixed this issue updating MSK handler to replace those 'x' version
part by a valid number.

Because AWS is handling all patch version, replacing by `0` should
produce the expected result we want on the upgrade manager service.

## How
- Update MSK source version connector to handle semver containing 'x'
- Update the semver Sort function to return proper error instead of
crashing with segfault
- The codebase already [expose a metric with the number of
processingError](https://github.com/qonto/upgrade-manager/blob/main/internal/app/app.go#L281).
Alert can be built on this metric to be notified of future version issue
without having the application crashing and failing to produce report
for all other monitored source

Signed-off-by: Allan Jacquet-Cretides <allan.jacquet@qonto.com>
@Jumanjii Jumanjii force-pushed the fix-msk-dot-x-version-segfault branch from 9190def to 021b303 Compare July 15, 2024 13:50
Signed-off-by: Allan Jacquet-Cretides <allan.jacquet@qonto.com>
@Jumanjii Jumanjii force-pushed the fix-msk-dot-x-version-segfault branch from b9f7caa to e1c3aa5 Compare July 15, 2024 14:03
@Jumanjii
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#sre

@Jumanjii Jumanjii merged commit 445f1c1 into main Jul 15, 2024
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