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retrieval: document panic behavior

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This commit is contained in:
Fabian Reinartz 2016-05-25 16:17:25 -07:00
parent c4c2756a39
commit ea36efbbd1
1 changed files with 1 additions and 0 deletions
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retrieval/targetmanager.go
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@ -404,6 +404,7 @@ func providersFromConfig(cfg *config.ScrapeConfig) map[string]TargetProvider {
} }
// targetsFromGroup builds targets based on the given TargetGroup and config. // targetsFromGroup builds targets based on the given TargetGroup and config.
// Panics if target group is nil.
func targetsFromGroup(tg *config.TargetGroup, cfg *config.ScrapeConfig) ([]*Target, error) { func targetsFromGroup(tg *config.TargetGroup, cfg *config.ScrapeConfig) ([]*Target, error) {
targets := make([]*Target, 0, len(tg.Targets)) targets := make([]*Target, 0, len(tg.Targets))