mirror of https://github.com/docker/cli.git
45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
package service
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import (
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"fmt"
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"io"
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"io/ioutil"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/service/progress"
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"github.com/docker/docker/api/types/versions"
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"github.com/docker/docker/pkg/jsonmessage"
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"github.com/spf13/pflag"
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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 appropriate based on the CLI flags.
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func waitOnService(ctx context.Context, dockerCli *command.DockerCli, serviceID string, quiet bool) 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 quiet {
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go io.Copy(ioutil.Discard, pipeReader)
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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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// warnDetachDefault warns about the --detach flag future change if it's supported.
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func warnDetachDefault(err io.Writer, clientVersion string, flags *pflag.FlagSet, msg string) {
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if !flags.Changed("detach") && versions.GreaterThanOrEqualTo(clientVersion, "1.29") {
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fmt.Fprintf(err, "Since --detach=false was not specified, tasks will be %s in the background.\n"+
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"In a future release, --detach=false will become the default.\n", msg)
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}
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}
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