update links to openmetrics to reference the v1.0.0 release

Signed-off-by: David Ashpole <dashpole@google.com>

docs/feature_flags.md

@@ -15,7 +15,7 @@ They may be enabled by default in future versions.
 
 `--enable-feature=exemplar-storage`
 
-[OpenMetrics](https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#exemplars) introduces the ability for scrape targets to add exemplars to certain metrics. Exemplars are references to data outside of the MetricSet. A common use case are IDs of program traces.
+[OpenMetrics](https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#exemplars) introduces the ability for scrape targets to add exemplars to certain metrics. Exemplars are references to data outside of the MetricSet. A common use case are IDs of program traces.
 
 Exemplar storage is implemented as a fixed size circular buffer that stores exemplars in memory for all series. Enabling this feature will enable the storage of exemplars scraped by Prometheus. The config file block [storage](configuration/configuration.md#configuration-file)/[exemplars](configuration/configuration.md#exemplars) can be used to control the size of circular buffer by # of exemplars. An exemplar with just a `trace_id=<jaeger-trace-id>` uses roughly 100 bytes of memory via the in-memory exemplar storage. If the exemplar storage is enabled, we will also append the exemplars to WAL for local persistence (for WAL duration).
 

model/exemplar/exemplar.go

@@ -18,7 +18,7 @@ import "github.com/prometheus/prometheus/model/labels"
 // ExemplarMaxLabelSetLength is defined by OpenMetrics: "The combined length of
 // the label names and values of an Exemplar's LabelSet MUST NOT exceed 128
 // UTF-8 characters."
-// https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#exemplars
+// https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#exemplars
 const ExemplarMaxLabelSetLength = 128
 
 // Exemplar is additional information associated with a time series.

model/textparse/openmetricsparse.go

@@ -337,7 +337,7 @@ func (p *OpenMetricsParser) CreatedTimestamp() *int64 {
 		}
 
 		// All timestamps in OpenMetrics are Unix Epoch in seconds. Convert to milliseconds.
-		// https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#timestamps
+		// https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#timestamps
 		ct := int64(p.val * 1000.0)
 		p.setCTParseValues(ct, currHash, currName, true)
 		return &ct

scrape/manager_test.go

@@ -836,7 +836,7 @@ scrape_configs:
 								require.Len(t, createdSeriesSamples, 1)
 								// Conversion taken from common/expfmt.writeOpenMetricsFloat.
 								// We don't check the ct timestamp as explicit ts was not implemented in expfmt.Encoder,
-								// but exists in OM https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#:~:text=An%20example%20with%20a%20Metric%20with%20no%20labels%2C%20and%20a%20MetricPoint%20with%20a%20timestamp%20and%20a%20created
+								// but exists in OM https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#:~:text=An%20example%20with%20a%20Metric%20with%20no%20labels%2C%20and%20a%20MetricPoint%20with%20a%20timestamp%20and%20a%20created
 								// We can implement this, but we want to potentially get rid of OM 1.0 CT lines
 								require.Equal(t, float64(timestamppb.New(ctTs).AsTime().UnixNano())/1e9, createdSeriesSamples[0].f)
 							} else {

storage/remote/otlptranslator/prometheus/normalize_name.go

@@ -30,7 +30,7 @@ import (
 // OTLP metrics use the c/s notation as specified at https://ucum.org/ucum.html
 // (See also https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/semantic_conventions/README.md#instrument-units)
 // Prometheus best practices for units: https://prometheus.io/docs/practices/naming/#base-units
-// OpenMetrics specification for units: https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#units-and-base-units
+// OpenMetrics specification for units: https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#units-and-base-units
 var unitMap = map[string]string{
 	// Time
 	"d":   "days",

storage/remote/otlptranslator/prometheusremotewrite/helper.go

@@ -50,7 +50,7 @@ const (
 	createdSuffix = "_created"
 	// maxExemplarRunes is the maximum number of UTF-8 exemplar characters
 	// according to the prometheus specification
-	// https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#exemplars
+	// https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#exemplars
 	maxExemplarRunes = 128
 	// Trace and Span id keys are defined as part of the spec:
 	// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification%2Fmetrics%2Fdatamodel.md#exemplars-2

tsdb/docs/format/wal.md

@@ -126,7 +126,7 @@ The first row stores the starting id and the starting timestamp.
 Series reference and timestamp are encoded as deltas w.r.t the first exemplar.
 The first exemplar record begins at the second row.
 
-See: https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#exemplars
+See: https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#exemplars
 
 ```
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