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middleware/metrics: export ListenAddr (#366)

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ListenAddr is the address where the prometheus metric are exported.
This can be used in tests to listen on "localhost:0" and then later
retrieve the metrics from there. It makes the tests indepent on each
other.
This commit is contained in:
Miek Gieben
2016-10-28 12:57:10 +01:00
committed by GitHub
parent 0509f4b4ac
commit cb867ff6bd
4 changed files with 18 additions and 14 deletions
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4
middleware/metrics/metrics_test.go
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@@ -13,7 +13,7 @@ import (
)
func TestMetrics(t *testing.T) {
met := &Metrics{Addr: Addr, zoneMap: make(map[string]bool)}
met := &Metrics{Addr: "localhost:0", zoneMap: make(map[string]bool)}
if err := met.OnStartup(); err != nil {
t.Fatalf("Failed to start metrics handler: %s", err)
}
@@ -71,7 +71,7 @@ func TestMetrics(t *testing.T) {
t.Fatalf("Test %d: Expected no error, but got %s", i, err)
}
result := mtest.Scrape(t, "http://"+Addr+"/metrics")
result := mtest.Scrape(t, "http://"+ListenAddr+"/metrics")
if tc.expectedValue != "" {
got, _ := mtest.MetricValue(tc.metric, result)