[target-allocator] Exit on invalid config #1767
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| @@ -76,6 +76,7 @@ func main() { | |||
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| if validationErr := config.ValidateConfig(&cfg, &cliConf); validationErr != nil { | |||
| setupLog.Error(validationErr, "Invalid configuration") | |||
| os.Exit(1) | |||
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should we also fail fast above when we can't load the CLI config?
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We already do, it was fixed in a different PR.
I think so. It'd just be a blanket assertion that the containers don't start with some settings, but that should work as a smoke test. |
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Added a E2E test where target allocator is enabled, but PrometheusCR is disabled, and there aren't any scrape configs defined in prometheus receiver configuration. This is a valid Collector config, but an invalid Target Allocator config, so TA doesn't start. I guess we should find a way to reject this at admission, but that requires parsing the prometheus config, which we'd rather not do. Maybe we should actually accept this configuration in TA and just do nothing instead? |
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As per our discussion during the SIG, I've changed this so the TA only exits if it can't parse the config. If we don't have any scrape configs and no PrometheusCR, we still start, but do nothing. As we plan to reject this combination at admission in the future, I'm not adding an E2E test for it @jaronoff97 . |
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New changes are detected. LGTM label has been removed. |
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@swiatekm-sumo are we good to merge this (after a rebase?) |
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@jaronoff97 Yes, it's ready to be merged. |
Target allocator should exit if its combined configuration is invalid. This change should've been part of #1729 .