136 lines
3.9 KiB
Go
136 lines
3.9 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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"context"
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"fmt"
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"github.com/docker/compose-cli/pkg/api"
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"github.com/compose-spec/compose-go/types"
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moby "github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/container"
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"github.com/docker/docker/api/types/filters"
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"github.com/docker/docker/pkg/stringid"
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)
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func (s *composeService) RunOneOffContainer(ctx context.Context, project *types.Project, opts api.RunOptions) (int, error) {
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observedState, err := s.getContainers(ctx, project.Name, oneOffInclude, true)
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if err != nil {
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return 0, err
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}
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containerState := NewContainersState(observedState)
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ctx = context.WithValue(ctx, ContainersKey{}, containerState)
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service, err := project.GetService(opts.Service)
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if err != nil {
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return 0, err
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}
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applyRunOptions(project, &service, opts)
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slug := stringid.GenerateRandomID()
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if service.ContainerName == "" {
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service.ContainerName = fmt.Sprintf("%s_%s_run_%s", project.Name, service.Name, stringid.TruncateID(slug))
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}
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service.Scale = 1
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service.StdinOpen = true
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service.Labels = service.Labels.Add(api.SlugLabel, slug)
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service.Labels = service.Labels.Add(api.OneoffLabel, "True")
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if err := s.ensureImagesExists(ctx, project, observedState, false); err != nil { // all dependencies already checked, but might miss service img
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return 0, err
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}
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if err := s.waitDependencies(ctx, project, service); err != nil {
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return 0, err
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}
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if err := s.createContainer(ctx, project, service, service.ContainerName, 1, opts.AutoRemove, opts.UseNetworkAliases); err != nil {
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return 0, err
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}
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containerID := service.ContainerName
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if opts.Detach {
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err := s.apiClient.ContainerStart(ctx, containerID, moby.ContainerStartOptions{})
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if err != nil {
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return 0, err
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}
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fmt.Fprintln(opts.Writer, containerID)
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return 0, nil
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}
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containers, err := s.apiClient.ContainerList(ctx, moby.ContainerListOptions{
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Filters: filters.NewArgs(slugFilter(slug)),
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All: true,
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})
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if err != nil {
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return 0, err
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}
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oneoffContainer := containers[0]
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restore, err := s.attachContainerStreams(ctx, oneoffContainer.ID, service.Tty, opts.Reader, opts.Writer)
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if err != nil {
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return 0, err
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}
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defer restore()
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statusC, errC := s.apiClient.ContainerWait(context.Background(), oneoffContainer.ID, container.WaitConditionNextExit)
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err = s.apiClient.ContainerStart(ctx, containerID, moby.ContainerStartOptions{})
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if err != nil {
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return 0, err
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}
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s.monitorTTySize(ctx, containerID, s.apiClient.ContainerResize)
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select {
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case status := <-statusC:
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return int(status.StatusCode), nil
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case err := <-errC:
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return 0, err
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}
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}
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func applyRunOptions(project *types.Project, service *types.ServiceConfig, opts api.RunOptions) {
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service.Tty = opts.Tty
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service.ContainerName = opts.Name
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if len(opts.Command) > 0 {
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service.Command = opts.Command
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}
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if len(opts.User) > 0 {
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service.User = opts.User
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}
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if len(opts.WorkingDir) > 0 {
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service.WorkingDir = opts.WorkingDir
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}
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if len(opts.Entrypoint) > 0 {
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service.Entrypoint = opts.Entrypoint
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}
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if len(opts.Environment) > 0 {
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env := types.NewMappingWithEquals(opts.Environment)
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projectEnv := env.Resolve(func(s string) (string, bool) {
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v, ok := project.Environment[s]
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return v, ok
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}).RemoveEmpty()
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service.Environment.OverrideBy(projectEnv)
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}
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for k, v := range opts.Labels {
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service.Labels.Add(k, v)
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}
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}
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