Support debian repository mismatch checking at the component level

[biox]

Feature Description

Export metrics specific to the debian repository mismatched files hosted by Artifactory

Use Case(s)

We have seen the debian repositories hosted on artifactory break sporadically:

E: Failed to fetch https://redacted/repo/component/Packages.bz2  File has unexpected size (2672 != 2222). Mirror sync in progress? [IP: redacted 443]
   Hashes of expected file:
    - Filesize:2222 [weak]
    - SHA256:3e1939f3232ee25e9c7e95992fc6ba932a78559afae3cf720bce37d5fd5c983f
    - SHA1:75c359d9f9f9a76a0092ce28178eca52f6f4ae43 [weak]
    - MD5Sum:25fb127cf8d902db1be92995f107b8e3 [weak]
   Release file created at: Tue, 14 Jun 2022 20:20:59 +0000
E: Failed to fetch redacted/repo/component/Packages.bz2  
E: Failed to fetch redacted/repo/component/Packages.bz2  

Would you be open to a PR that does the following:

• iterates over every debian repository on the target artifactory server
• iterates through each component, architecture, and package format
• Ensure that the InRelease file and the files it points at are not mismatched
• exports a series of metrics, something like:

# for mismatch
artifactory_debian_inrelease_mismatch{repo="$repo", component="$component"} 1
# for not-mismatched
artifactory_debian_inrelease_mismatch{repo="$repo", component="$component"} 0

# where component would be something like "main/binary-amd64/Packages"
# and repo would be something like "focal"

Let me know! If I have the time/energy, I could perhaps contribute a PR like this.

[peimanja]

Hey @biox, interesting use case. depends on how lightweight this would be but regardless we probably can make these metrics optional.

Definitely open for contributions as we do not have this use case in my current place and I do not have much free time.

See if you can use AQL as it is a lot faster. There is a wrapper function here that you can use

[github-actions[bot]]

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