mirror of https://github.com/docker/compose.git
83 lines
2.2 KiB
Go
83 lines
2.2 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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"encoding/json"
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"fmt"
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"github.com/docker/cli/cli/command"
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"github.com/docker/compose/v2/pkg/api"
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"github.com/spf13/cobra"
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)
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type eventsOpts struct {
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*composeOptions
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json bool
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}
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func eventsCommand(p *ProjectOptions, dockerCli command.Cli, backend api.Service) *cobra.Command {
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opts := eventsOpts{
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composeOptions: &composeOptions{
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ProjectOptions: p,
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},
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}
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cmd := &cobra.Command{
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Use: "events [OPTIONS] [SERVICE...]",
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Short: "Receive real time events from containers.",
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RunE: Adapt(func(ctx context.Context, args []string) error {
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return runEvents(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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cmd.Flags().BoolVar(&opts.json, "json", false, "Output events as a stream of json objects")
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return cmd
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}
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func runEvents(ctx context.Context, dockerCli command.Cli, backend api.Service, opts eventsOpts, services []string) error {
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name, err := opts.toProjectName(dockerCli)
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if err != nil {
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return err
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}
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return backend.Events(ctx, name, api.EventsOptions{
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Services: services,
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Consumer: func(event api.Event) error {
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if opts.json {
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marshal, err := json.Marshal(map[string]interface{}{
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"time": event.Timestamp,
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"type": "container",
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"service": event.Service,
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"id": event.Container,
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"action": event.Status,
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"attributes": event.Attributes,
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})
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if err != nil {
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return err
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}
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fmt.Fprintln(dockerCli.Out(), string(marshal))
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} else {
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fmt.Fprintln(dockerCli.Out(), event)
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}
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return nil
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},
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})
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}
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