/
xds.go
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/
xds.go
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// Copyright Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package model
import (
"strings"
)
const (
APITypePrefix = "type.googleapis.com/"
envoyTypePrefix = APITypePrefix + "envoy."
ClusterType = APITypePrefix + "envoy.config.cluster.v3.Cluster"
EndpointType = APITypePrefix + "envoy.config.endpoint.v3.ClusterLoadAssignment"
ListenerType = APITypePrefix + "envoy.config.listener.v3.Listener"
RouteType = APITypePrefix + "envoy.config.route.v3.RouteConfiguration"
SecretType = APITypePrefix + "envoy.extensions.transport_sockets.tls.v3.Secret"
ExtensionConfigurationType = APITypePrefix + "envoy.config.core.v3.TypedExtensionConfig"
NameTableType = APITypePrefix + "istio.networking.nds.v1.NameTable"
HealthInfoType = APITypePrefix + "istio.v1.HealthInformation"
ProxyConfigType = APITypePrefix + "istio.mesh.v1alpha1.ProxyConfig"
// DebugType requests debug info from istio, a secured implementation for istio debug interface.
DebugType = "istio.io/debug"
BootstrapType = APITypePrefix + "envoy.config.bootstrap.v3.Bootstrap"
AddressType = APITypePrefix + "istio.workload.Address"
WorkloadType = APITypePrefix + "istio.workload.Workload"
WorkloadAuthorizationType = APITypePrefix + "istio.security.Authorization"
)
// GetShortType returns an abbreviated form of a type, useful for logging or human friendly messages
func GetShortType(typeURL string) string {
switch typeURL {
case ClusterType:
return "CDS"
case ListenerType:
return "LDS"
case RouteType:
return "RDS"
case EndpointType:
return "EDS"
case SecretType:
return "SDS"
case NameTableType:
return "NDS"
case ProxyConfigType:
return "PCDS"
case ExtensionConfigurationType:
return "ECDS"
case AddressType, WorkloadType:
return "WDS"
case WorkloadAuthorizationType:
return "WADS"
default:
return typeURL
}
}
// GetMetricType returns the form of a type reported for metrics
func GetMetricType(typeURL string) string {
switch typeURL {
case ClusterType:
return "cds"
case ListenerType:
return "lds"
case RouteType:
return "rds"
case EndpointType:
return "eds"
case SecretType:
return "sds"
case NameTableType:
return "nds"
case ProxyConfigType:
return "pcds"
case ExtensionConfigurationType:
return "ecds"
case BootstrapType:
return "bds"
case AddressType, WorkloadType:
return "wds"
case WorkloadAuthorizationType:
return "wads"
default:
return typeURL
}
}
// GetResourceType returns resource form of an abbreviated form
func GetResourceType(shortType string) string {
s := strings.ToUpper(shortType)
switch s {
case "CDS":
return ClusterType
case "LDS":
return ListenerType
case "RDS":
return RouteType
case "EDS":
return EndpointType
case "SDS":
return SecretType
case "NDS":
return NameTableType
case "PCDS":
return ProxyConfigType
case "ECDS":
return ExtensionConfigurationType
case "WDS":
return AddressType
case "WADS":
return WorkloadAuthorizationType
default:
return shortType
}
}
// IsEnvoyType checks whether the typeURL is a valid Envoy type.
func IsEnvoyType(typeURL string) bool {
return strings.HasPrefix(typeURL, envoyTypePrefix)
}