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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"
"os"
"os/signal"
"sync/atomic"
"syscall"
"github.com/compose-spec/compose-go/v2/types"
"github.com/docker/cli/cli"
"github.com/docker/compose/v2/cmd/formatter"
"github.com/docker/compose/v2/internal/tracing"
"github.com/docker/compose/v2/pkg/api"
"github.com/docker/compose/v2/pkg/progress"
"github.com/docker/docker/errdefs"
"github.com/eiannone/keyboard"
"github.com/hashicorp/go-multierror"
"github.com/sirupsen/logrus"
)
func (s *composeService) Up(ctx context.Context, project *types.Project, options api.UpOptions) error { //nolint:gocyclo
err := progress.Run(ctx, tracing.SpanWrapFunc("project/up", tracing.ProjectOptions(ctx, project), func(ctx context.Context) error {
err := s.create(ctx, project, options.Create)
if err != nil {
return err
}
if options.Start.Attach == nil {
return s.start(ctx, project.Name, options.Start, nil)
}
return nil
}), s.stdinfo())
if err != nil {
return err
}
if options.Start.Attach == nil {
return err
}
if s.dryRun {
_, _ = fmt.Fprintln(s.stdout(), "end of 'compose up' output, interactive run is not supported in dry-run mode")
return err
}
var eg multierror.Group
// if we get a second signal during shutdown, we kill the services
// immediately, so the channel needs to have sufficient capacity or
// we might miss a signal while setting up the second channel read
// (this is also why signal.Notify is used vs signal.NotifyContext)
signalChan := make(chan os.Signal, 2)
defer close(signalChan)
signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
defer signal.Stop(signalChan)
var isTerminated atomic.Bool
printer := newLogPrinter(options.Start.Attach)
doneCh := make(chan bool)
eg.Go(func() error {
first := true
gracefulTeardown := func() {
printer.Cancel()
_, _ = fmt.Fprintln(s.stdinfo(), "Gracefully stopping... (press Ctrl+C again to force)")
eg.Go(func() error {
err := s.Stop(context.WithoutCancel(ctx), project.Name, api.StopOptions{
Services: options.Create.Services,
Project: project,
})
isTerminated.Store(true)
return err
})
first = false
}
var kEvents <-chan keyboard.KeyEvent
if options.Start.NavigationMenu {
kEvents, err = keyboard.GetKeys(100)
if err != nil {
logrus.Warn("could not start menu, an error occurred while starting.")
} else {
defer keyboard.Close() //nolint:errcheck
isWatchConfigured := s.shouldWatch(project)
isDockerDesktopActive := s.isDesktopIntegrationActive()
tracing.KeyboardMetrics(ctx, options.Start.NavigationMenu, isDockerDesktopActive, isWatchConfigured)
formatter.NewKeyboardManager(ctx, isDockerDesktopActive, isWatchConfigured, signalChan, s.watch)
if options.Start.Watch {
formatter.KeyboardManager.StartWatch(ctx, doneCh, project, options)
}
}
}
for {
select {
case <-doneCh:
return nil
case <-ctx.Done():
if first {
gracefulTeardown()
}
case <-signalChan:
if first {
gracefulTeardown()
break
}
eg.Go(func() error {
err := s.kill(context.WithoutCancel(ctx), project.Name, api.KillOptions{
Services: options.Create.Services,
Project: project,
All: true,
})
// Ignore errors indicating that some of the containers were already stopped or removed.
if errdefs.IsNotFound(err) || errdefs.IsConflict(err) {
return nil
}
return err
})
return nil
case event := <-kEvents:
formatter.KeyboardManager.HandleKeyEvents(event, ctx, doneCh, project, options)
}
}
})
var exitCode int
eg.Go(func() error {
code, err := printer.Run(options.Start.OnExit, options.Start.ExitCodeFrom, func() error {
_, _ = fmt.Fprintln(s.stdinfo(), "Aborting on container exit...")
return progress.Run(ctx, func(ctx context.Context) error {
return s.Stop(ctx, project.Name, api.StopOptions{
Services: options.Create.Services,
Project: project,
})
}, s.stdinfo())
})
exitCode = code
return err
})
if options.Start.Watch && !options.Start.NavigationMenu {
eg.Go(func() error {
buildOpts := *options.Create.Build
buildOpts.Quiet = true
return s.watch(ctx, doneCh, project, options.Start.Services, api.WatchOptions{
Build: &buildOpts,
LogTo: options.Start.Attach,
})
})
}
// We use the parent context without cancellation as we manage sigterm to stop the stack
err = s.start(context.WithoutCancel(ctx), project.Name, options.Start, printer.HandleEvent)
if err != nil && !isTerminated.Load() { // Ignore error if the process is terminated
return err
}
// Signal for the signal-handler goroutines to stop
close(doneCh)
printer.Stop()
err = eg.Wait().ErrorOrNil()
if exitCode != 0 {
errMsg := ""
if err != nil {
errMsg = err.Error()
}
return cli.StatusError{StatusCode: exitCode, Status: errMsg}
}
return err
}
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