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Avoid template loops (causing infinite loop) while calculating dimension #1516

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Description

Templates inheriting themselves make the dimension builder script go in an infinite loop, thus blocking the ETL process.

Keeping track of the templates already inherited allows us to throw an error in case this issue happens :

[Wed Jun 26 10:46:07 2024] [INFO] Starting program...(pid=12931)
[Wed Jun 26 10:46:07 2024] [INFO] Searching for duplicate host/service entries
[Wed Jun 26 10:46:08 2024] [INFO] Getting host properties from Centreon database
[Wed Jun 26 10:46:10 2024] [INFO] Updating host dimension in Centstorage
[Wed Jun 26 10:46:10 2024] [INFO] Getting hostgroup properties from Centreon database
[Wed Jun 26 10:46:10 2024] [INFO] Updating hostgroup dimension in Centstorage
[Wed Jun 26 10:46:10 2024] [INFO] Getting hostcategories properties from Centreon database
[Wed Jun 26 10:46:10 2024] [INFO] Updating hostcategories dimension in Centstorage
[Wed Jun 26 10:46:10 2024] [INFO] Getting servicecategories properties from Centreon database
[Wed Jun 26 10:46:10 2024] [INFO] Updating servicecategories dimension in Centstorage
[Wed Jun 26 10:46:10 2024] [INFO] Getting service properties from Centreon database
[Wed Jun 26 10:46:14 2024] [ERROR] The service template with id = 2701 inherits the template ID = 2702 more than once, please check relations of the template with ID = 2701!
[Wed Jun 26 10:46:14 2024] [FATAL] Program terminated with errors

Fixes #MON-125661

Type of change

  • Patch fixing an issue (non-breaking change)
  • New functionality (non-breaking change)
  • Breaking change (patch or feature) that might cause side effects breaking part of the Software
  • Updating documentation (missing information, typo...)

Target serie

  • 22.04.x
  • 22.10.x
  • 23.04.x
  • 23.10.x
  • 24.04.x
  • master

@y-kacher y-kacher added the bug Something isn't working label Jul 10, 2024
@y-kacher y-kacher requested a review from a team as a code owner July 10, 2024 08:40
@y-kacher y-kacher requested a review from Evan-Adam July 10, 2024 08:40
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@garnier-quentin
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Hi @ykacherCentreon

Check my patch here: #1692
It's really better for performance ;)

y-kacher and others added 3 commits January 17, 2025 15:22
first fix was making the process longer because we needed to check every template every time they are used as parent.
This new version don't stop the etl but only add a warning.

Refs:MON-130751
@Evan-Adam Evan-Adam force-pushed the MON-130751-mbi-avoid-dimension-loops branch from ebcebb0 to 33156bc Compare January 17, 2025 14:23
@Evan-Adam Evan-Adam requested review from sdepassio and removed request for Evan-Adam January 17, 2025 14:24
@Evan-Adam
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This subject will be resolved by #2031
Thanks to you both for you contribution.
@garnier-quentin I will check you fix for the execution order in another PR

@Evan-Adam Evan-Adam closed this Jan 21, 2025
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3 participants