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converting spanmetrics from static traces to flow (#6806)
* convert spanmetrics from static traces to flow Signed-off-by: erikbaranowski <[email protected]> --------- Signed-off-by: erikbaranowski <[email protected]>
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102 changes: 102 additions & 0 deletions
102
internal/converter/internal/staticconvert/internal/build/converter_remotewriteexporter.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package build | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sort" | ||
|
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||
| flow_relabel "github.com/grafana/agent/internal/component/common/relabel" | ||
| "github.com/grafana/agent/internal/component/otelcol/exporter/prometheus" | ||
| "github.com/grafana/agent/internal/component/prometheus/relabel" | ||
| "github.com/grafana/agent/internal/converter/diag" | ||
| "github.com/grafana/agent/internal/converter/internal/common" | ||
| "github.com/grafana/agent/internal/converter/internal/otelcolconvert" | ||
| "github.com/grafana/agent/internal/converter/internal/prometheusconvert/build" | ||
| prometheus_component "github.com/grafana/agent/internal/converter/internal/prometheusconvert/component" | ||
| "github.com/grafana/agent/internal/static/traces/remotewriteexporter" | ||
| prom_relabel "github.com/prometheus/prometheus/model/relabel" | ||
| "github.com/prometheus/prometheus/storage" | ||
| "go.opentelemetry.io/collector/component" | ||
| ) | ||
|
|
||
| func init() { | ||
| converters = append(converters, remoteWriteExporterConverter{}) | ||
| } | ||
|
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| type remoteWriteExporterConverter struct{} | ||
|
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| func (remoteWriteExporterConverter) Factory() component.Factory { | ||
| return remotewriteexporter.NewFactory() | ||
| } | ||
|
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| func (remoteWriteExporterConverter) InputComponentName() string { | ||
| return "otelcol.exporter.prometheus" | ||
| } | ||
|
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| func (remoteWriteExporterConverter) ConvertAndAppend(state *otelcolconvert.State, id component.InstanceID, cfg component.Config) diag.Diagnostics { | ||
| label := state.FlowComponentLabel() | ||
|
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| // We overloaded the ServerConfig.Endpoint field to be the prometheus.remote_write label | ||
| rwLabel := "metrics_" + cfg.(*remotewriteexporter.Config).PromInstance | ||
| forwardTo := []storage.Appendable{common.ConvertAppendable{Expr: fmt.Sprintf("prometheus.remote_write.%s.receiver", rwLabel)}} | ||
| if len(cfg.(*remotewriteexporter.Config).ConstLabels) > 0 { | ||
| exports := includeRelabelConfig(label, cfg, state, forwardTo) | ||
| forwardTo = []storage.Appendable{exports.Receiver} | ||
| } | ||
|
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| args := toremotewriteexporterConfig(cfg.(*remotewriteexporter.Config), forwardTo) | ||
| block := common.NewBlockWithOverride([]string{"otelcol", "exporter", "prometheus"}, label, args) | ||
|
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| var diags diag.Diagnostics | ||
| diags.Add( | ||
| diag.SeverityLevelInfo, | ||
| fmt.Sprintf("Converted %s into %s", otelcolconvert.StringifyInstanceID(id), otelcolconvert.StringifyBlock(block)), | ||
| ) | ||
|
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| state.Body().AppendBlock(block) | ||
| return diags | ||
| } | ||
|
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| func includeRelabelConfig(label string, cfg component.Config, state *otelcolconvert.State, forwardTo []storage.Appendable) *relabel.Exports { | ||
| pb := build.NewPrometheusBlocks() | ||
|
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| defaultRelabelConfigs := &flow_relabel.Config{} | ||
| defaultRelabelConfigs.SetToDefault() | ||
| relabelConfigs := []*prom_relabel.Config{} | ||
|
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| // sort they keys for consistency in map iteration | ||
| keys := make([]string, 0, len(cfg.(*remotewriteexporter.Config).ConstLabels)) | ||
| for label := range cfg.(*remotewriteexporter.Config).ConstLabels { | ||
| keys = append(keys, label) | ||
| } | ||
| sort.Strings(keys) | ||
|
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| for _, label := range keys { | ||
| relabelConfigs = append(relabelConfigs, &prom_relabel.Config{ | ||
| Separator: defaultRelabelConfigs.Separator, | ||
| Regex: prom_relabel.Regexp(defaultRelabelConfigs.Regex), | ||
| Modulus: defaultRelabelConfigs.Modulus, | ||
| TargetLabel: label, | ||
| Replacement: cfg.(*remotewriteexporter.Config).ConstLabels[label], | ||
| Action: prom_relabel.Action(defaultRelabelConfigs.Action), | ||
| }) | ||
| } | ||
|
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| exports := prometheus_component.AppendPrometheusRelabel(pb, relabelConfigs, forwardTo, label) | ||
| pb.AppendToBody(state.Body()) | ||
| return exports | ||
| } | ||
|
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| func toremotewriteexporterConfig(cfg *remotewriteexporter.Config, forwardTo []storage.Appendable) *prometheus.Arguments { | ||
| defaultArgs := &prometheus.Arguments{} | ||
| defaultArgs.SetToDefault() | ||
|
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| return &prometheus.Arguments{ | ||
| IncludeTargetInfo: defaultArgs.IncludeTargetInfo, | ||
| IncludeScopeInfo: defaultArgs.IncludeScopeInfo, | ||
| IncludeScopeLabels: defaultArgs.IncludeScopeLabels, | ||
| GCFrequency: cfg.StaleTime, | ||
| ForwardTo: forwardTo, | ||
| AddMetricSuffixes: defaultArgs.AddMetricSuffixes, | ||
| ResourceToTelemetryConversion: defaultArgs.ResourceToTelemetryConversion, | ||
| } | ||
| } |
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