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create.go
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create.go
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/*
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"
"time"
"github.com/compose-spec/compose-go/types"
"github.com/spf13/cobra"
"github.com/docker/compose/v2/pkg/api"
)
type createOptions struct {
Build bool
noBuild bool
Pull string
removeOrphans bool
ignoreOrphans bool
forceRecreate bool
noRecreate bool
recreateDeps bool
noInherit bool
timeChanged bool
timeout int
quietPull bool
}
func createCommand(p *projectOptions, backend api.Service) *cobra.Command {
opts := createOptions{}
cmd := &cobra.Command{
Use: "create [SERVICE...]",
Short: "Creates containers for a service.",
PreRunE: Adapt(func(ctx context.Context, args []string) error {
if opts.Build && opts.noBuild {
return fmt.Errorf("--build and --no-build are incompatible")
}
if opts.forceRecreate && opts.noRecreate {
return fmt.Errorf("--force-recreate and --no-recreate are incompatible")
}
return nil
}),
RunE: p.WithProject(func(ctx context.Context, project *types.Project) error {
opts.Apply(project)
return backend.Create(ctx, project, api.CreateOptions{
RemoveOrphans: opts.removeOrphans,
IgnoreOrphans: opts.ignoreOrphans,
Recreate: opts.recreateStrategy(),
RecreateDependencies: opts.dependenciesRecreateStrategy(),
Inherit: !opts.noInherit,
Timeout: opts.GetTimeout(),
QuietPull: false,
})
}),
ValidArgsFunction: serviceCompletion(p),
}
flags := cmd.Flags()
flags.BoolVar(&opts.Build, "build", false, "Build images before starting containers.")
flags.BoolVar(&opts.noBuild, "no-build", false, "Don't build an image, even if it's missing.")
flags.StringVar(&opts.Pull, "pull", "missing", `Pull image before running ("always"|"missing"|"never")`)
flags.BoolVar(&opts.forceRecreate, "force-recreate", false, "Recreate containers even if their configuration and image haven't changed.")
flags.BoolVar(&opts.noRecreate, "no-recreate", false, "If containers already exist, don't recreate them. Incompatible with --force-recreate.")
return cmd
}
func (opts createOptions) recreateStrategy() string {
if opts.noRecreate {
return api.RecreateNever
}
if opts.forceRecreate {
return api.RecreateForce
}
return api.RecreateDiverged
}
func (opts createOptions) dependenciesRecreateStrategy() string {
if opts.noRecreate {
return api.RecreateNever
}
if opts.recreateDeps {
return api.RecreateForce
}
return api.RecreateDiverged
}
func (opts createOptions) GetTimeout() *time.Duration {
if opts.timeChanged {
t := time.Duration(opts.timeout) * time.Second
return &t
}
return nil
}
func (opts createOptions) Apply(project *types.Project) {
if opts.Pull != "" {
for i, service := range project.Services {
service.PullPolicy = opts.Pull
project.Services[i] = service
}
}
if opts.Build {
for i, service := range project.Services {
if service.Build == nil {
continue
}
service.PullPolicy = types.PullPolicyBuild
project.Services[i] = service
}
}
if opts.noBuild {
for i, service := range project.Services {
service.Build = nil
if service.Image == "" {
service.Image = api.GetImageNameOrDefault(service, project.Name)
}
project.Services[i] = service
}
}
}