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broker_register_prefix.go
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/
broker_register_prefix.go
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// Copyright © 2017 The Things Network
// Use of this source code is governed by the MIT license that can be found in the LICENSE file.
package cmd
import (
"io/ioutil"
"os"
"path/filepath"
"github.com/TheThingsNetwork/api/discovery"
"github.com/TheThingsNetwork/ttn/api"
"github.com/TheThingsNetwork/ttn/api/pool"
"github.com/TheThingsNetwork/ttn/core/types"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"golang.org/x/net/context" // See https://github.com/grpc/grpc-go/issues/711"
"google.golang.org/grpc/metadata"
)
// brokerRegisterPrefixCmd represents the secure command
var brokerRegisterPrefixCmd = &cobra.Command{
Use: "register-prefix [prefix ...]",
Short: "Register a prefix to this Broker",
Long: `ttn broker register prefix registers a prefix to this Broker`,
Run: func(cmd *cobra.Command, args []string) {
if len(args) == 0 {
cmd.UsageFunc()(cmd)
return
}
path := filepath.Clean(viper.GetString("key-dir") + "/ca.cert")
cert, err := ioutil.ReadFile(path)
if err == nil && !pool.RootCAs.AppendCertsFromPEM(cert) {
ctx.Warnf("Could not add root certificates from %s", path)
}
conn, err := api.Dial(viper.GetString("discovery-address"))
if err != nil {
ctx.WithError(err).Fatal("Could not connect to Discovery server")
}
client := discovery.NewDiscoveryClient(conn)
client.GetAll(context.Background(), &discovery.GetServiceRequest{})
md := metadata.Pairs(
"service-name", "broker",
"id", viper.GetString("id"),
"token", viper.GetString("auth-token"),
)
dscContext := metadata.NewOutgoingContext(context.Background(), md)
success := true
for _, prefixString := range args {
ctx := ctx.WithField("Prefix", prefixString)
prefix, err := types.ParseDevAddrPrefix(prefixString)
if err != nil {
ctx.WithError(err).Error("Could not register prefix")
success = false
continue
}
_, err = client.AddMetadata(dscContext, &discovery.MetadataRequest{
ServiceName: "broker",
ID: viper.GetString("id"),
Metadata: discovery.Metadata{Metadata: &discovery.Metadata_DevAddrPrefix{
DevAddrPrefix: prefix.Bytes(),
}},
})
if err != nil {
ctx.WithError(err).Error("Could not register prefix")
success = false
continue
}
ctx.Info("Registered prefix")
}
if !success {
os.Exit(1)
}
},
}
func init() {
brokerCmd.AddCommand(brokerRegisterPrefixCmd)
}