117 lines
3.7 KiB
Go
117 lines
3.7 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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"os"
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"github.com/compose-spec/compose-go/v2/cli"
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"github.com/compose-spec/compose-go/v2/types"
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"github.com/docker/cli/cli/command"
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"github.com/morikuni/aec"
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"github.com/spf13/cobra"
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"github.com/docker/compose/v2/pkg/api"
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)
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type pullOptions struct {
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*ProjectOptions
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composeOptions
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quiet bool
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parallel bool
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noParallel bool
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includeDeps bool
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ignorePullFailures bool
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noBuildable bool
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policy string
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}
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func pullCommand(p *ProjectOptions, dockerCli command.Cli, backend api.Service) *cobra.Command {
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opts := pullOptions{
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ProjectOptions: p,
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}
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cmd := &cobra.Command{
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Use: "pull [OPTIONS] [SERVICE...]",
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Short: "Pull service images",
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PreRunE: func(cmd *cobra.Command, args []string) error {
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if cmd.Flags().Changed("no-parallel") {
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fmt.Fprint(os.Stderr, aec.Apply("option '--no-parallel' is DEPRECATED and will be ignored.\n", aec.RedF))
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}
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if cmd.Flags().Changed("parallel") {
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fmt.Fprint(os.Stderr, aec.Apply("option '--parallel' is DEPRECATED and will be ignored.\n", aec.RedF))
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}
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return nil
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},
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RunE: Adapt(func(ctx context.Context, args []string) error {
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return runPull(ctx, dockerCli, backend, opts, args)
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}),
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ValidArgsFunction: completeServiceNames(dockerCli, p),
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}
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flags := cmd.Flags()
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flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Pull without printing progress information")
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cmd.Flags().BoolVar(&opts.includeDeps, "include-deps", false, "Also pull services declared as dependencies")
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cmd.Flags().BoolVar(&opts.parallel, "parallel", true, "DEPRECATED pull multiple images in parallel")
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flags.MarkHidden("parallel") //nolint:errcheck
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cmd.Flags().BoolVar(&opts.noParallel, "no-parallel", true, "DEPRECATED disable parallel pulling")
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flags.MarkHidden("no-parallel") //nolint:errcheck
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cmd.Flags().BoolVar(&opts.ignorePullFailures, "ignore-pull-failures", false, "Pull what it can and ignores images with pull failures")
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cmd.Flags().BoolVar(&opts.noBuildable, "ignore-buildable", false, "Ignore images that can be built")
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cmd.Flags().StringVar(&opts.policy, "policy", "", `Apply pull policy ("missing"|"always")`)
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return cmd
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}
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func (opts pullOptions) apply(project *types.Project, services []string) (*types.Project, error) {
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if !opts.includeDeps {
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var err error
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project, err = project.WithSelectedServices(services, types.IgnoreDependencies)
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if err != nil {
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return nil, err
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}
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}
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if opts.policy != "" {
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for i, service := range project.Services {
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if service.Image == "" {
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continue
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}
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service.PullPolicy = opts.policy
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project.Services[i] = service
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}
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}
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return project, nil
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}
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func runPull(ctx context.Context, dockerCli command.Cli, backend api.Service, opts pullOptions, services []string) error {
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project, _, err := opts.ToProject(ctx, dockerCli, services, cli.WithoutEnvironmentResolution)
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if err != nil {
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return err
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}
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project, err = opts.apply(project, services)
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if err != nil {
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return err
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}
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return backend.Pull(ctx, project, api.PullOptions{
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Quiet: opts.quiet,
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IgnoreFailures: opts.ignorePullFailures,
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IgnoreBuildable: opts.noBuildable,
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})
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}
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