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ddtrace/tracer: add propagation style info to the startup logs #2748

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Jun 25, 2024
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6 changes: 6 additions & 0 deletions ddtrace/tracer/log.go
Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,8 @@ type startupInfo struct {
PartialFlushMinSpans int `json:"partial_flush_min_spans"` // The min number of spans to trigger a partial flush
Orchestrion orchestrionConfig `json:"orchestrion"` // Orchestrion (auto-instrumentation) configuration.
FeatureFlags []string `json:"feature_flags"`
PropagationStyleInject string `json:"propagation_style_inject"` // Propagation style for inject
PropagationStyleExtract string `json:"propagation_style_extract"` // Propagation style for extract
}

// checkEndpoint tries to connect to the URL specified by endpoint.
Expand Down Expand Up @@ -90,6 +92,8 @@ func logStartup(t *tracer) {
featureFlags = append(featureFlags, f)
}

cp, _ := t.config.propagator.(*chainedPropagator)

info := startupInfo{
Date: time.Now().Format(time.RFC3339),
OSName: osinfo.OSName(),
Expand Down Expand Up @@ -123,6 +127,8 @@ func logStartup(t *tracer) {
PartialFlushMinSpans: t.config.partialFlushMinSpans,
Orchestrion: t.config.orchestrionCfg,
FeatureFlags: featureFlags,
PropagationStyleInject: cp.injectorNames,
PropagationStyleExtract: cp.extractorsNames,
}
if _, _, err := samplingRulesFromEnv(); err != nil {
info.SamplingRulesError = fmt.Sprintf("%s", err)
Expand Down
10 changes: 5 additions & 5 deletions ddtrace/tracer/log_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ func TestStartupLog(t *testing.T) {
tp.Ignore("appsec: ", telemetry.LogPrefix)
logStartup(tracer)
require.Len(t, tp.Logs(), 2)
assert.Regexp(logPrefixRegexp+` INFO: DATADOG TRACER CONFIGURATION {"date":"[^"]*","os_name":"[^"]*","os_version":"[^"]*","version":"[^"]*","lang":"Go","lang_version":"[^"]*","env":"","service":"tracer\.test(\.exe)?","agent_url":"http://localhost:9/v0.4/traces","agent_error":"Post .*","debug":false,"analytics_enabled":false,"sample_rate":"NaN","sample_rate_limit":"disabled","trace_sampling_rules":null,"span_sampling_rules":null,"sampling_rules_error":"","service_mappings":null,"tags":{"runtime-id":"[^"]*"},"runtime_metrics_enabled":false,"health_metrics_enabled":false,"profiler_code_hotspots_enabled":((false)|(true)),"profiler_endpoints_enabled":((false)|(true)),"dd_version":"","architecture":"[^"]*","global_service":"","lambda_mode":"false","appsec":((true)|(false)),"agent_features":{"DropP0s":((true)|(false)),"Stats":((true)|(false)),"DataStreams":((true)|(false)),"StatsdPort":0},"integrations":{.*},"partial_flush_enabled":false,"partial_flush_min_spans":1000,"orchestrion":{"enabled":false},"feature_flags":\[\]}`, tp.Logs()[1])
assert.Regexp(logPrefixRegexp+` INFO: DATADOG TRACER CONFIGURATION {"date":"[^"]*","os_name":"[^"]*","os_version":"[^"]*","version":"[^"]*","lang":"Go","lang_version":"[^"]*","env":"","service":"tracer\.test(\.exe)?","agent_url":"http://localhost:9/v0.4/traces","agent_error":"Post .*","debug":false,"analytics_enabled":false,"sample_rate":"NaN","sample_rate_limit":"disabled","trace_sampling_rules":null,"span_sampling_rules":null,"sampling_rules_error":"","service_mappings":null,"tags":{"runtime-id":"[^"]*"},"runtime_metrics_enabled":false,"health_metrics_enabled":false,"profiler_code_hotspots_enabled":((false)|(true)),"profiler_endpoints_enabled":((false)|(true)),"dd_version":"","architecture":"[^"]*","global_service":"","lambda_mode":"false","appsec":((true)|(false)),"agent_features":{"DropP0s":((true)|(false)),"Stats":((true)|(false)),"DataStreams":((true)|(false)),"StatsdPort":0},"integrations":{.*},"partial_flush_enabled":false,"partial_flush_min_spans":1000,"orchestrion":{"enabled":false},"feature_flags":\[\],"propagation_style_inject":"datadog,tracecontext","propagation_style_extract":"datadog,tracecontext"}`, tp.Logs()[1])
})

t.Run("configured", func(t *testing.T) {
Expand Down Expand Up @@ -63,7 +63,7 @@ func TestStartupLog(t *testing.T) {
tp.Ignore("appsec: ", telemetry.LogPrefix)
logStartup(tracer)
require.Len(t, tp.Logs(), 2)
assert.Regexp(logPrefixRegexp+` INFO: DATADOG TRACER CONFIGURATION {"date":"[^"]*","os_name":"[^"]*","os_version":"[^"]*","version":"[^"]*","lang":"Go","lang_version":"[^"]*","env":"configuredEnv","service":"configured.service","agent_url":"http://localhost:9/v0.4/traces","agent_error":"Post .*","debug":true,"analytics_enabled":true,"sample_rate":"0\.123000","sample_rate_limit":"100","trace_sampling_rules":\[{"service":"mysql","sample_rate":0\.75}\],"span_sampling_rules":null,"sampling_rules_error":"","service_mappings":{"initial_service":"new_service"},"tags":{"runtime-id":"[^"]*","tag":"value","tag2":"NaN"},"runtime_metrics_enabled":true,"health_metrics_enabled":true,"profiler_code_hotspots_enabled":((false)|(true)),"profiler_endpoints_enabled":((false)|(true)),"dd_version":"2.3.4","architecture":"[^"]*","global_service":"configured.service","lambda_mode":"false","appsec":((true)|(false)),"agent_features":{"DropP0s":false,"Stats":false,"DataStreams":false,"StatsdPort":0},"integrations":{.*},"partial_flush_enabled":false,"partial_flush_min_spans":1000,"orchestrion":{"enabled":true,"metadata":{"version":"v1"}},"feature_flags":\["discovery"\]}`, tp.Logs()[1])
assert.Regexp(logPrefixRegexp+` INFO: DATADOG TRACER CONFIGURATION {"date":"[^"]*","os_name":"[^"]*","os_version":"[^"]*","version":"[^"]*","lang":"Go","lang_version":"[^"]*","env":"configuredEnv","service":"configured.service","agent_url":"http://localhost:9/v0.4/traces","agent_error":"Post .*","debug":true,"analytics_enabled":true,"sample_rate":"0\.123000","sample_rate_limit":"100","trace_sampling_rules":\[{"service":"mysql","sample_rate":0\.75}\],"span_sampling_rules":null,"sampling_rules_error":"","service_mappings":{"initial_service":"new_service"},"tags":{"runtime-id":"[^"]*","tag":"value","tag2":"NaN"},"runtime_metrics_enabled":true,"health_metrics_enabled":true,"profiler_code_hotspots_enabled":((false)|(true)),"profiler_endpoints_enabled":((false)|(true)),"dd_version":"2.3.4","architecture":"[^"]*","global_service":"configured.service","lambda_mode":"false","appsec":((true)|(false)),"agent_features":{"DropP0s":false,"Stats":false,"DataStreams":false,"StatsdPort":0},"integrations":{.*},"partial_flush_enabled":false,"partial_flush_min_spans":1000,"orchestrion":{"enabled":true,"metadata":{"version":"v1"}},"feature_flags":\["discovery"\],"propagation_style_inject":"datadog,tracecontext","propagation_style_extract":"datadog,tracecontext"}`, tp.Logs()[1])
})

t.Run("limit", func(t *testing.T) {
Expand Down Expand Up @@ -93,7 +93,7 @@ func TestStartupLog(t *testing.T) {
tp.Ignore("appsec: ", telemetry.LogPrefix)
logStartup(tracer)
require.Len(t, tp.Logs(), 2)
assert.Regexp(logPrefixRegexp+` INFO: DATADOG TRACER CONFIGURATION {"date":"[^"]*","os_name":"[^"]*","os_version":"[^"]*","version":"[^"]*","lang":"Go","lang_version":"[^"]*","env":"configuredEnv","service":"configured.service","agent_url":"http://localhost:9/v0.4/traces","agent_error":"Post .*","debug":true,"analytics_enabled":true,"sample_rate":"0\.123000","sample_rate_limit":"1000.001","trace_sampling_rules":\[{"service":"mysql","sample_rate":0\.75}\],"span_sampling_rules":null,"sampling_rules_error":"","service_mappings":{"initial_service":"new_service"},"tags":{"runtime-id":"[^"]*","tag":"value","tag2":"NaN"},"runtime_metrics_enabled":true,"health_metrics_enabled":true,"profiler_code_hotspots_enabled":((false)|(true)),"profiler_endpoints_enabled":((false)|(true)),"dd_version":"2.3.4","architecture":"[^"]*","global_service":"configured.service","lambda_mode":"false","appsec":((true)|(false)),"agent_features":{"DropP0s":false,"Stats":false,"DataStreams":false,"StatsdPort":0},"integrations":{.*},"partial_flush_enabled":false,"partial_flush_min_spans":1000,"orchestrion":{"enabled":false},"feature_flags":\[\]}`, tp.Logs()[1])
assert.Regexp(logPrefixRegexp+` INFO: DATADOG TRACER CONFIGURATION {"date":"[^"]*","os_name":"[^"]*","os_version":"[^"]*","version":"[^"]*","lang":"Go","lang_version":"[^"]*","env":"configuredEnv","service":"configured.service","agent_url":"http://localhost:9/v0.4/traces","agent_error":"Post .*","debug":true,"analytics_enabled":true,"sample_rate":"0\.123000","sample_rate_limit":"1000.001","trace_sampling_rules":\[{"service":"mysql","sample_rate":0\.75}\],"span_sampling_rules":null,"sampling_rules_error":"","service_mappings":{"initial_service":"new_service"},"tags":{"runtime-id":"[^"]*","tag":"value","tag2":"NaN"},"runtime_metrics_enabled":true,"health_metrics_enabled":true,"profiler_code_hotspots_enabled":((false)|(true)),"profiler_endpoints_enabled":((false)|(true)),"dd_version":"2.3.4","architecture":"[^"]*","global_service":"configured.service","lambda_mode":"false","appsec":((true)|(false)),"agent_features":{"DropP0s":false,"Stats":false,"DataStreams":false,"StatsdPort":0},"integrations":{.*},"partial_flush_enabled":false,"partial_flush_min_spans":1000,"orchestrion":{"enabled":false},"feature_flags":\[\],"propagation_style_inject":"datadog,tracecontext","propagation_style_extract":"datadog,tracecontext"}`, tp.Logs()[1])
})

t.Run("errors", func(t *testing.T) {
Expand All @@ -107,7 +107,7 @@ func TestStartupLog(t *testing.T) {
tp.Ignore("appsec: ", telemetry.LogPrefix)
logStartup(tracer)
require.Len(t, tp.Logs(), 2)
assert.Regexp(logPrefixRegexp+` INFO: DATADOG TRACER CONFIGURATION {"date":"[^"]*","os_name":"[^"]*","os_version":"[^"]*","version":"[^"]*","lang":"Go","lang_version":"[^"]*","env":"","service":"tracer\.test(\.exe)?","agent_url":"http://localhost:9/v0.4/traces","agent_error":"Post .*","debug":false,"analytics_enabled":false,"sample_rate":"NaN","sample_rate_limit":"100","trace_sampling_rules":\[{"service":"some\.service","sample_rate":0\.234}\],"span_sampling_rules":null,"sampling_rules_error":"\\n\\tat index 1: ignoring rule {Service:other.service Rate:2}: rate is out of \[0\.0, 1\.0] range","service_mappings":null,"tags":{"runtime-id":"[^"]*"},"runtime_metrics_enabled":false,"health_metrics_enabled":false,"profiler_code_hotspots_enabled":((false)|(true)),"profiler_endpoints_enabled":((false)|(true)),"dd_version":"","architecture":"[^"]*","global_service":"","lambda_mode":"false","appsec":((true)|(false)),"agent_features":{"DropP0s":((true)|(false)),"Stats":((true)|(false)),"DataStreams":((true)|(false)),"StatsdPort":0},"integrations":{.*},"partial_flush_enabled":false,"partial_flush_min_spans":1000,"orchestrion":{"enabled":false},"feature_flags":\[\]}`, tp.Logs()[1])
assert.Regexp(logPrefixRegexp+` INFO: DATADOG TRACER CONFIGURATION {"date":"[^"]*","os_name":"[^"]*","os_version":"[^"]*","version":"[^"]*","lang":"Go","lang_version":"[^"]*","env":"","service":"tracer\.test(\.exe)?","agent_url":"http://localhost:9/v0.4/traces","agent_error":"Post .*","debug":false,"analytics_enabled":false,"sample_rate":"NaN","sample_rate_limit":"100","trace_sampling_rules":\[{"service":"some\.service","sample_rate":0\.234}\],"span_sampling_rules":null,"sampling_rules_error":"\\n\\tat index 1: ignoring rule {Service:other.service Rate:2}: rate is out of \[0\.0, 1\.0] range","service_mappings":null,"tags":{"runtime-id":"[^"]*"},"runtime_metrics_enabled":false,"health_metrics_enabled":false,"profiler_code_hotspots_enabled":((false)|(true)),"profiler_endpoints_enabled":((false)|(true)),"dd_version":"","architecture":"[^"]*","global_service":"","lambda_mode":"false","appsec":((true)|(false)),"agent_features":{"DropP0s":((true)|(false)),"Stats":((true)|(false)),"DataStreams":((true)|(false)),"StatsdPort":0},"integrations":{.*},"partial_flush_enabled":false,"partial_flush_min_spans":1000,"orchestrion":{"enabled":false},"feature_flags":\[\],"propagation_style_inject":"datadog,tracecontext","propagation_style_extract":"datadog,tracecontext"}`, tp.Logs()[1])
})

t.Run("lambda", func(t *testing.T) {
Expand All @@ -120,7 +120,7 @@ func TestStartupLog(t *testing.T) {
tp.Ignore("appsec: ", telemetry.LogPrefix)
logStartup(tracer)
assert.Len(tp.Logs(), 1)
assert.Regexp(logPrefixRegexp+` INFO: DATADOG TRACER CONFIGURATION {"date":"[^"]*","os_name":"[^"]*","os_version":"[^"]*","version":"[^"]*","lang":"Go","lang_version":"[^"]*","env":"","service":"tracer\.test(\.exe)?","agent_url":"http://localhost:9/v0.4/traces","agent_error":"","debug":false,"analytics_enabled":false,"sample_rate":"NaN","sample_rate_limit":"disabled","trace_sampling_rules":null,"span_sampling_rules":null,"sampling_rules_error":"","service_mappings":null,"tags":{"runtime-id":"[^"]*"},"runtime_metrics_enabled":false,"health_metrics_enabled":false,"profiler_code_hotspots_enabled":((false)|(true)),"profiler_endpoints_enabled":((false)|(true)),"dd_version":"","architecture":"[^"]*","global_service":"","lambda_mode":"true","appsec":((true)|(false)),"agent_features":{"DropP0s":false,"Stats":false,"DataStreams":false,"StatsdPort":0},"integrations":{.*},"partial_flush_enabled":false,"partial_flush_min_spans":1000,"orchestrion":{"enabled":false},"feature_flags":\[\]}`, tp.Logs()[0])
assert.Regexp(logPrefixRegexp+` INFO: DATADOG TRACER CONFIGURATION {"date":"[^"]*","os_name":"[^"]*","os_version":"[^"]*","version":"[^"]*","lang":"Go","lang_version":"[^"]*","env":"","service":"tracer\.test(\.exe)?","agent_url":"http://localhost:9/v0.4/traces","agent_error":"","debug":false,"analytics_enabled":false,"sample_rate":"NaN","sample_rate_limit":"disabled","trace_sampling_rules":null,"span_sampling_rules":null,"sampling_rules_error":"","service_mappings":null,"tags":{"runtime-id":"[^"]*"},"runtime_metrics_enabled":false,"health_metrics_enabled":false,"profiler_code_hotspots_enabled":((false)|(true)),"profiler_endpoints_enabled":((false)|(true)),"dd_version":"","architecture":"[^"]*","global_service":"","lambda_mode":"true","appsec":((true)|(false)),"agent_features":{"DropP0s":false,"Stats":false,"DataStreams":false,"StatsdPort":0},"integrations":{.*},"partial_flush_enabled":false,"partial_flush_min_spans":1000,"orchestrion":{"enabled":false},"feature_flags":\[\],"propagation_style_inject":"datadog,tracecontext","propagation_style_extract":"datadog,tracecontext"}`, tp.Logs()[0])
})

t.Run("integrations", func(t *testing.T) {
Expand Down
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