80 lines
2.7 KiB
Go
80 lines
2.7 KiB
Go
package server
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import (
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"github.com/containous/traefik/v2/pkg/config/dynamic"
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"github.com/containous/traefik/v2/pkg/log"
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"github.com/containous/traefik/v2/pkg/server/internal"
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"github.com/containous/traefik/v2/pkg/tls"
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)
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func mergeConfiguration(configurations dynamic.Configurations) dynamic.Configuration {
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conf := dynamic.Configuration{
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HTTP: &dynamic.HTTPConfiguration{
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Routers: make(map[string]*dynamic.Router),
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Middlewares: make(map[string]*dynamic.Middleware),
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Services: make(map[string]*dynamic.Service),
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},
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TCP: &dynamic.TCPConfiguration{
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Routers: make(map[string]*dynamic.TCPRouter),
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Services: make(map[string]*dynamic.TCPService),
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},
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TLS: &dynamic.TLSConfiguration{
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Stores: make(map[string]tls.Store),
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Options: make(map[string]tls.Options),
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},
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}
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var defaultTLSOptionProviders []string
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for provider, configuration := range configurations {
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if configuration.HTTP != nil {
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for routerName, router := range configuration.HTTP.Routers {
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conf.HTTP.Routers[internal.MakeQualifiedName(provider, routerName)] = router
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}
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for middlewareName, middleware := range configuration.HTTP.Middlewares {
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conf.HTTP.Middlewares[internal.MakeQualifiedName(provider, middlewareName)] = middleware
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}
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for serviceName, service := range configuration.HTTP.Services {
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conf.HTTP.Services[internal.MakeQualifiedName(provider, serviceName)] = service
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}
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}
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if configuration.TCP != nil {
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for routerName, router := range configuration.TCP.Routers {
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conf.TCP.Routers[internal.MakeQualifiedName(provider, routerName)] = router
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}
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for serviceName, service := range configuration.TCP.Services {
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conf.TCP.Services[internal.MakeQualifiedName(provider, serviceName)] = service
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}
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}
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if configuration.TLS != nil {
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conf.TLS.Certificates = append(conf.TLS.Certificates, configuration.TLS.Certificates...)
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for key, store := range configuration.TLS.Stores {
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conf.TLS.Stores[key] = store
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}
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for tlsOptionsName, options := range configuration.TLS.Options {
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if tlsOptionsName != "default" {
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tlsOptionsName = internal.MakeQualifiedName(provider, tlsOptionsName)
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} else {
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defaultTLSOptionProviders = append(defaultTLSOptionProviders, provider)
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}
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conf.TLS.Options[tlsOptionsName] = options
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}
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}
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}
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if len(defaultTLSOptionProviders) == 0 {
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conf.TLS.Options["default"] = tls.Options{}
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} else if len(defaultTLSOptionProviders) > 1 {
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log.WithoutContext().Errorf("Default TLS Options defined multiple times in %v", defaultTLSOptionProviders)
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// We do not set an empty tls.TLS{} as above so that we actually get a "cascading failure" later on,
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// i.e. routers depending on this missing TLS option will fail to initialize as well.
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delete(conf.TLS.Options, "default")
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}
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return conf
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}
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