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register.go
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register.go
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// Copyright 2017 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 main
import (
"fmt"
"github.com/spf13/cobra"
"istio.io/istio/pilot/pkg/serviceregistry/kube"
"istio.io/istio/pkg/log"
)
var (
registerCmd = &cobra.Command{
Use: "register <svcname> <ip> [name1:]port1 [name2:]port2 ...",
Short: "Registers a service instance (e.g. VM) joining the mesh",
Args: cobra.MinimumNArgs(3),
RunE: func(c *cobra.Command, args []string) error {
svcName := args[0]
ip := args[1]
portsListStr := args[2:]
portsList := make([]kube.NamedPort, len(portsListStr))
for i := range portsListStr {
p, err := kube.Str2NamedPort(portsListStr[i])
if err != nil {
return err
}
portsList[i] = p
}
log.Infof("Registering for service '%s' ip '%s', ports list %v",
svcName, ip, portsList)
if svcAcctAnn != "" {
annotations = append(annotations, fmt.Sprintf("%s=%s", kube.KubeServiceAccountsOnVMAnnotation, svcAcctAnn))
}
log.Infof("%d labels (%v) and %d annotations (%v)",
len(labels), labels, len(annotations), annotations)
client, err := createInterface(kubeconfig)
if err != nil {
return err
}
ns, _ := handleNamespaces(namespace)
return kube.RegisterEndpoint(client, ns, svcName, ip, portsList, labels, annotations)
},
}
labels []string
annotations []string
svcAcctAnn string
)
func init() {
rootCmd.AddCommand(registerCmd)
registerCmd.PersistentFlags().StringSliceVarP(&labels, "labels", "l",
nil, "List of labels to apply if creating a service/endpoint; e.g. -l env=prod,vers=2")
registerCmd.PersistentFlags().StringSliceVarP(&annotations, "annotations", "a",
nil, "List of string annotations to apply if creating a service/endpoint; e.g. -a foo=bar,test,x=y")
registerCmd.PersistentFlags().StringVarP(&svcAcctAnn, "serviceaccount", "s",
"default", "Service account to link to the service")
}