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importAdd.go
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importAdd.go
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// Copyright © 2017 Casey Marshall
//
// 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 cmd
import (
"net"
"strconv"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/cmars/ormesh/config"
)
// importAddCmd represents the importAdd command
var importAddCmd = &cobra.Command{
Use: "add <remote name> <remote port> <local bind addr>:<local port>",
Short: "Add a service import",
Args: cobra.ExactArgs(3),
Run: func(cmd *cobra.Command, args []string) {
withConfigForUpdate(func(cfg *config.Config) error {
remoteName, remotePort, localAddr := args[0], args[1], args[2]
if !IsValidRemoteName(remoteName) {
return errors.Errorf("invalid remote name %q", remoteName)
}
remotePortNum, err := strconv.Atoi(remotePort)
if err != nil {
return errors.Errorf("invalid remote port %q", remotePort)
}
localAddr, err = NormalizeAddrPort(localAddr)
if err != nil {
return errors.Errorf("invalid local address %q", localAddr)
}
localHost, localPort, err := net.SplitHostPort(localAddr)
if err != nil {
return errors.Errorf("invalid local address %q: %v", localAddr, err)
}
localPortNum, err := strconv.Atoi(localPort)
if err != nil {
return errors.Errorf("invalid local port %q", localPort)
}
newImport := config.Import{
LocalAddr: localHost,
LocalPort: localPortNum,
RemotePort: remotePortNum,
}
remoteIndex := -1
for i := range cfg.Node.Remotes {
if cfg.Node.Remotes[i].Name == remoteName {
remoteIndex = i
break
}
}
if remoteIndex < 0 {
return errors.Errorf("no such remote: %q", remoteName)
}
for i := range cfg.Node.Remotes[remoteIndex].Imports {
if cfg.Node.Remotes[remoteIndex].Imports[i] == newImport {
return nil
}
}
cfg.Node.Remotes[remoteIndex].Imports = append(
cfg.Node.Remotes[remoteIndex].Imports,
newImport)
return nil
})
},
}
func init() {
importCmd.AddCommand(importAddCmd)
}