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config: added tests for various hostname acquisition strategies #472
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gbbr
commented
Sep 18, 2018
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| cfg, err := config.Load(flags.ConfigPath) | ||
| if err != nil { | ||
| if !os.IsNotExist(err) { |
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The logic was moved into config.Load because config should be validated when loaded, not separately using another call. This way, the config is loaded, validated, and overridden from environment in one call.
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ufoot
approved these changes
Sep 18, 2018
| return nil | ||
| } | ||
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| // LoadEnv reads environment variable values into the config. |
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Love the fact this does not need to be public any more as Load encapsulates it all.
LotharSee
approved these changes
Sep 18, 2018
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This change ensures that configuration can only be loaded if it is valid. It adds tests for various hostname acquisition strategies to ensure hostname is always set or otherwise trace agent should fail to start.
It also renames folders
test_casestotestdata, which seems more common for Go.