mirror of
https://github.com/docker/compose.git
synced 2025-09-26 19:18:45 +02:00
92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package compose
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import (
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"bytes"
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"errors"
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"fmt"
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"github.com/compose-spec/compose-go/v2/types"
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"github.com/docker/cli/cli/config/configfile"
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)
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// --use-api-socket is not actually supported by the Docker Engine
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// but is a client-side hack (see https://github.com/docker/cli/blob/master/cli/command/container/create.go#L246)
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// we replicate here by transforming the project model
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func (s *composeService) useAPISocket(project *types.Project) (*types.Project, error) {
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useAPISocket := false
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for _, service := range project.Services {
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if service.UseAPISocket {
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useAPISocket = true
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break
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}
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}
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if !useAPISocket {
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return project, nil
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}
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if s.dockerCli.ServerInfo().OSType == "windows" {
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return nil, errors.New("use_api_socket can't be used with a Windows Docker Engine")
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}
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creds, err := s.dockerCli.ConfigFile().GetAllCredentials()
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if err != nil {
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return nil, fmt.Errorf("resolving credentials failed: %w", err)
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}
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newConfig := &configfile.ConfigFile{
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AuthConfigs: creds,
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}
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var configBuf bytes.Buffer
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if err := newConfig.SaveToWriter(&configBuf); err != nil {
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return nil, fmt.Errorf("saving creds for API socket: %w", err)
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}
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project.Configs["#apisocket"] = types.ConfigObjConfig{
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Content: configBuf.String(),
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}
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for name, service := range project.Services {
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if !service.UseAPISocket {
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continue
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}
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service.Volumes = append(service.Volumes, types.ServiceVolumeConfig{
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Type: types.VolumeTypeBind,
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Source: "/var/run/docker.sock",
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Target: "/var/run/docker.sock",
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})
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_, envvarPresent := service.Environment["DOCKER_CONFIG"]
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// If the DOCKER_CONFIG env var is already present, we assume the client knows
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// what they're doing and don't inject the creds.
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if !envvarPresent {
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// Set our special little location for the config file.
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path := "/run/secrets/docker"
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service.Environment["DOCKER_CONFIG"] = &path
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}
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service.Configs = append(service.Configs, types.ServiceConfigObjConfig{
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Source: "#apisocket",
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Target: "/run/secrets/docker/config.json",
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})
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project.Services[name] = service
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}
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return project, nil
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}
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