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Add Host and RequestType in correlation context
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| // Copyright (c) Microsoft Corporation. | ||
| // Licensed under the MIT License. | ||
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| package loader | ||
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| import ( | ||
| acpv1 "azappconfig/provider/api/v1" | ||
| "context" | ||
| "fmt" | ||
| "net/http" | ||
| "os" | ||
| "strings" | ||
| ) | ||
|
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| type TracingKey string | ||
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| type RequestTracing struct { | ||
| IsStartUp bool | ||
| } | ||
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| const ( | ||
| RequestTracingKey TracingKey = TracingKey("tracing") | ||
| AzureExtensionContext string = "AZURE_EXTENSION_CONTEXT" | ||
| ) | ||
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| func createCorrelationContextHeader(ctx context.Context, provider acpv1.AzureAppConfigurationProvider, clientManager ClientManager) http.Header { | ||
| header := http.Header{} | ||
| output := make([]string, 0) | ||
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| output = append(output, "Host=Kubernetes") | ||
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| if tracing := ctx.Value(RequestTracingKey); tracing != nil { | ||
| if tracing.(RequestTracing).IsStartUp { | ||
| output = append(output, "RequestType=StartUp") | ||
| } else { | ||
| output = append(output, "RequestType=Watch") | ||
| } | ||
| } | ||
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| if provider.Spec.Configuration.Refresh != nil && | ||
| provider.Spec.Configuration.Refresh.Enabled { | ||
| output = append(output, "RefreshesKeyValue") | ||
| } | ||
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| if provider.Spec.Secret != nil { | ||
| output = append(output, "UsesKeyVault") | ||
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| if provider.Spec.Secret.Refresh != nil && | ||
| provider.Spec.Secret.Refresh.Enabled { | ||
| output = append(output, "RefreshesKeyVault") | ||
| } | ||
| } | ||
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| if provider.Spec.FeatureFlag != nil { | ||
| output = append(output, "UsesFeatureFlag") | ||
| } | ||
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| if provider.Spec.ReplicaDiscoveryEnabled { | ||
| if manager, ok := clientManager.(*ConfigurationClientManager); ok { | ||
| replicaCount := 0 | ||
| if manager.DynamicClientWrappers != nil { | ||
| replicaCount = len(manager.DynamicClientWrappers) | ||
| } | ||
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| output = append(output, fmt.Sprintf("ReplicaCount=%d", replicaCount)) | ||
| } | ||
| } | ||
|
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| if _, ok := os.LookupEnv(AzureExtensionContext); ok { | ||
| output = append(output, "InstalledBy=Extension") | ||
| } else { | ||
| output = append(output, "InstalledBy=Helm") | ||
| } | ||
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| header.Add("Correlation-Context", strings.Join(output, ",")) | ||
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| return header | ||
| } |