mirror of
https://github.com/docker/compose.git
synced 2025-12-14 01:04:27 +01:00
72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
/*
|
|
Copyright 2020 Docker Compose CLI 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 compose
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"strconv"
|
|
|
|
"github.com/spf13/cobra"
|
|
|
|
"github.com/docker/compose-cli/api/compose"
|
|
)
|
|
|
|
type portOptions struct {
|
|
*projectOptions
|
|
protocol string
|
|
index int
|
|
}
|
|
|
|
func portCommand(p *projectOptions, backend compose.Service) *cobra.Command {
|
|
opts := portOptions{
|
|
projectOptions: p,
|
|
}
|
|
cmd := &cobra.Command{
|
|
Use: "port [options] [--] SERVICE PRIVATE_PORT",
|
|
Short: "Print the public port for a port binding.",
|
|
Args: cobra.MinimumNArgs(2),
|
|
RunE: Adapt(func(ctx context.Context, args []string) error {
|
|
port, err := strconv.Atoi(args[1])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return runPort(ctx, backend, opts, args[0], port)
|
|
}),
|
|
}
|
|
cmd.Flags().StringVar(&opts.protocol, "protocol", "tcp", "tcp or udp")
|
|
cmd.Flags().IntVar(&opts.index, "index", 1, "index of the container if service has multiple replicas")
|
|
return cmd
|
|
}
|
|
|
|
func runPort(ctx context.Context, backend compose.Service, opts portOptions, service string, port int) error {
|
|
projectName, err := opts.toProjectName()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
ip, port, err := backend.Port(ctx, projectName, service, port, compose.PortOptions{
|
|
Protocol: opts.protocol,
|
|
Index: opts.index,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Printf("%s:%d\n", ip, port)
|
|
return nil
|
|
}
|