dubbo.apache.org/dubbo-go/v3@v3.1.1/xds/credentials/env.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package credentials
    19  
    20  import (
    21  	"os"
    22  )
    23  
    24  const (
    25  	DefaultKubernetesServiceAccountPath = "/var/run/secrets/kubernetes.io/serviceaccount/token"
    26  	DefaultIsitoCaServiceAccountPath    = "/var/run/secrets/tokens/istio-token"
    27  	DefaultRootCertPath                 = "/var/run/secrets/istio/root-cert.pem"
    28  	DefaultIstioCAEndpoint              = "istiod.istio-system.svc:15012"
    29  	DefaultCertSigner                   = "kubernetes.default.svc"
    30  	DefaultClusterID                    = "Kubernetes"
    31  )
    32  
    33  var (
    34  	PodNamespace       = f(os.Getenv("POD_NAMESPACE"), "default")
    35  	CertTTL            = f(os.Getenv("CERT_TTL"), "31536000")
    36  	RootCertPath       = f(os.Getenv("ROOT_CERT_PATH"), DefaultRootCertPath)
    37  	IstioCAEndpoint    = f(os.Getenv("ISTIO_CA_ENDPOINT"), DefaultIstioCAEndpoint)
    38  	ServiceAccountPath = f(os.Getenv("SERVICE_ACCOUNT_PATH"), DefaultIsitoCaServiceAccountPath)
    39  	certSigner         = f(os.Getenv("CERT_SIGNER"), DefaultCertSigner)
    40  	clusterID          = f(os.Getenv("CLUSTER_ID"), DefaultClusterID)
    41  	URIPrefix          = f(os.Getenv("URI_PREFIX"), "spiffe://")
    42  	Domain             = f(os.Getenv("DOMAIN"), "cluster.local")
    43  	ServiceAccountName = f(os.Getenv("SERVICE_ACCOUNT_NAME"), "default")
    44  )
    45  
    46  var f = func(a, b string) string {
    47  	if "" == a {
    48  		return b
    49  	}
    50  	return a
    51  }