56 lines
1.8 KiB
Go
56 lines
1.8 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"
|
|
"strings"
|
|
|
|
"github.com/docker/compose/v2/pkg/api"
|
|
|
|
moby "github.com/docker/docker/api/types"
|
|
)
|
|
|
|
func (s *composeService) Port(ctx context.Context, projectName string, service string, port uint16, options api.PortOptions) (string, int, error) {
|
|
projectName = strings.ToLower(projectName)
|
|
container, err := s.getSpecifiedContainer(ctx, projectName, oneOffInclude, false, service, options.Index)
|
|
if err != nil {
|
|
return "", 0, err
|
|
}
|
|
for _, p := range container.Ports {
|
|
if p.PrivatePort == port && p.Type == options.Protocol {
|
|
return p.IP, int(p.PublicPort), nil
|
|
}
|
|
}
|
|
return "", 0, portNotFoundError(options.Protocol, port, container)
|
|
}
|
|
|
|
func portNotFoundError(protocol string, port uint16, ctr moby.Container) error {
|
|
formatPort := func(protocol string, port uint16) string {
|
|
return fmt.Sprintf("%d/%s", port, protocol)
|
|
}
|
|
|
|
var containerPorts []string
|
|
for _, p := range ctr.Ports {
|
|
containerPorts = append(containerPorts, formatPort(p.Type, p.PublicPort))
|
|
}
|
|
|
|
name := strings.TrimPrefix(ctr.Names[0], "/")
|
|
return fmt.Errorf("no port %s for container %s: %s", formatPort(protocol, port), name, strings.Join(containerPorts, ", "))
|
|
}
|