diff --git a/go.mod b/go.mod index b030734f..96463a9f 100644 --- a/go.mod +++ b/go.mod @@ -15,7 +15,7 @@ require ( github.com/google/go-cmp v0.6.0 github.com/libp2p/go-reuseport v0.4.0 github.com/pkg/errors v0.9.1 - github.com/prometheus/client_golang v1.20.4 + github.com/prometheus/client_golang v1.20.5 github.com/vishvananda/netns v0.0.4 go.uber.org/atomic v1.11.0 go.uber.org/ratelimit v0.3.1 diff --git a/go.sum b/go.sum index fcda4685..94dca652 100644 --- a/go.sum +++ b/go.sum @@ -205,8 +205,8 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U= github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= -github.com/prometheus/client_golang v1.20.4 h1:Tgh3Yr67PaOv/uTqloMsCEdeuFTatm5zIq5+qNN23vI= -github.com/prometheus/client_golang v1.20.4/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE= +github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+bR9r+8l63Y= +github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE= github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E= github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY= diff --git a/vendor/github.com/prometheus/client_golang/prometheus/testutil/testutil.go b/vendor/github.com/prometheus/client_golang/prometheus/testutil/testutil.go index e0ac3466..6f120018 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/testutil/testutil.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/testutil/testutil.go @@ -158,6 +158,9 @@ func GatherAndCount(g prometheus.Gatherer, metricNames ...string) (int, error) { // ScrapeAndCompare calls a remote exporter's endpoint which is expected to return some metrics in // plain text format. Then it compares it with the results that the `expected` would return. // If the `metricNames` is not empty it would filter the comparison only to the given metric names. +// +// NOTE: Be mindful of accidental discrepancies between expected and metricNames; metricNames filter +// both expected and scraped metrics. See https://github.com/prometheus/client_golang/issues/1351. func ScrapeAndCompare(url string, expected io.Reader, metricNames ...string) error { resp, err := http.Get(url) if err != nil { @@ -185,6 +188,9 @@ func ScrapeAndCompare(url string, expected io.Reader, metricNames ...string) err // CollectAndCompare collects the metrics identified by `metricNames` and compares them in the Prometheus text // exposition format to the data read from expected. +// +// NOTE: Be mindful of accidental discrepancies between expected and metricNames; metricNames filter +// both expected and collected metrics. See https://github.com/prometheus/client_golang/issues/1351. func CollectAndCompare(c prometheus.Collector, expected io.Reader, metricNames ...string) error { reg := prometheus.NewPedanticRegistry() if err := reg.Register(c); err != nil { @@ -197,6 +203,9 @@ func CollectAndCompare(c prometheus.Collector, expected io.Reader, metricNames . // it to an expected output read from the provided Reader in the Prometheus text // exposition format. If any metricNames are provided, only metrics with those // names are compared. +// +// NOTE: Be mindful of accidental discrepancies between expected and metricNames; metricNames filter +// both expected and gathered metrics. See https://github.com/prometheus/client_golang/issues/1351. func GatherAndCompare(g prometheus.Gatherer, expected io.Reader, metricNames ...string) error { return TransactionalGatherAndCompare(prometheus.ToTransactionalGatherer(g), expected, metricNames...) } @@ -205,6 +214,9 @@ func GatherAndCompare(g prometheus.Gatherer, expected io.Reader, metricNames ... // it to an expected output read from the provided Reader in the Prometheus text // exposition format. If any metricNames are provided, only metrics with those // names are compared. +// +// NOTE: Be mindful of accidental discrepancies between expected and metricNames; metricNames filter +// both expected and gathered metrics. See https://github.com/prometheus/client_golang/issues/1351. func TransactionalGatherAndCompare(g prometheus.TransactionalGatherer, expected io.Reader, metricNames ...string) error { got, done, err := g.Gather() defer done() @@ -277,15 +289,6 @@ func compareMetricFamilies(got, expected []*dto.MetricFamily, metricNames ...str if metricNames != nil { got = filterMetrics(got, metricNames) expected = filterMetrics(expected, metricNames) - if len(metricNames) > len(got) { - var missingMetricNames []string - for _, name := range metricNames { - if ok := hasMetricByName(got, name); !ok { - missingMetricNames = append(missingMetricNames, name) - } - } - return fmt.Errorf("expected metric name(s) not found: %v", missingMetricNames) - } } return compare(got, expected) @@ -327,12 +330,3 @@ func filterMetrics(metrics []*dto.MetricFamily, names []string) []*dto.MetricFam } return filtered } - -func hasMetricByName(metrics []*dto.MetricFamily, name string) bool { - for _, mf := range metrics { - if mf.GetName() == name { - return true - } - } - return false -} diff --git a/vendor/modules.txt b/vendor/modules.txt index c8eade51..b84c3b1b 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -366,7 +366,7 @@ github.com/opencontainers/selinux/pkg/pwalkdir # github.com/pkg/errors v0.9.1 ## explicit github.com/pkg/errors -# github.com/prometheus/client_golang v1.20.4 +# github.com/prometheus/client_golang v1.20.5 ## explicit; go 1.20 github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/header