mirror of https://github.com/docker/cli.git
40 lines
922 B
Go
40 lines
922 B
Go
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package service
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import (
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"io"
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"github.com/docker/docker/cli/command"
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"github.com/docker/docker/cli/command/service/progress"
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"github.com/docker/docker/pkg/jsonmessage"
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"golang.org/x/net/context"
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)
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// waitOnService waits for the service to converge. It outputs a progress bar,
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// if appopriate based on the CLI flags.
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func waitOnService(ctx context.Context, dockerCli *command.DockerCli, serviceID string, opts *serviceOptions) error {
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errChan := make(chan error, 1)
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pipeReader, pipeWriter := io.Pipe()
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go func() {
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errChan <- progress.ServiceProgress(ctx, dockerCli.Client(), serviceID, pipeWriter)
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}()
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if opts.quiet {
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go func() {
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for {
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var buf [1024]byte
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if _, err := pipeReader.Read(buf[:]); err != nil {
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return
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}
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}
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}()
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return <-errChan
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}
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err := jsonmessage.DisplayJSONMessagesToStream(pipeReader, dockerCli.Out(), nil)
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if err == nil {
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err = <-errChan
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}
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return err
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}
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