[receiver/prometheus] Add fallback_scrape_protocol when using target allocator

tinou98 · tinou98 · commit 452a28e716b1 · 2025-04-26T20:11:22.000+02:00
This applies a similar fix as 72b834b, but when using TargetAllocator. Signed-off-by: MATILLAT Quentin <qmatillat@gmail.com>
diff --git a/receiver/prometheusreceiver/targetallocator/manager.go b/receiver/prometheusreceiver/targetallocator/manager.go
@@ -150,6 +150,10 @@ func (m *Manager) sync(compareHash uint64, httpClient *http.Client) (uint64, err
 			scrapeConfig.HTTPClientConfig = commonconfig.HTTPClientConfig(*m.cfg.HTTPScrapeConfig)
 		}
 
+		if scrapeConfig.ScrapeFallbackProtocol == "" {
+			scrapeConfig.ScrapeFallbackProtocol = promconfig.PrometheusText0_0_4
+		}
+
 		m.promCfg.ScrapeConfigs = append(m.promCfg.ScrapeConfigs, scrapeConfig)
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -150,6 +150,10 @@ func (m Manager) sync(compareHash uint64, httpClient http.Client) (uint64, err`
`150`	`150`	`scrapeConfig.HTTPClientConfig = commonconfig.HTTPClientConfig(*m.cfg.HTTPScrapeConfig)`
`151`	`151`	`}`
`152`	`152`
	`153`	`+ if scrapeConfig.ScrapeFallbackProtocol == "" {`
	`154`	`+ scrapeConfig.ScrapeFallbackProtocol = promconfig.PrometheusText0_0_4`
	`155`	`+ }`
	`156`	`+`
`153`	`157`	`m.promCfg.ScrapeConfigs = append(m.promCfg.ScrapeConfigs, scrapeConfig)`
`154`	`158`	`}`
`155`	`159`