terraform/commands.go

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package main
import (
"os"
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"os/signal"
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"github.com/hashicorp/terraform/command"
"github.com/mitchellh/cli"
)
// Commands is the mapping of all the available Terraform commands.
var Commands map[string]cli.CommandFactory
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// Ui is the cli.Ui used for communicating to the outside world.
var Ui cli.Ui
const (
ErrorPrefix = "e:"
OutputPrefix = "o:"
)
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func init() {
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Ui = &cli.PrefixedUi{
AskPrefix: OutputPrefix,
OutputPrefix: OutputPrefix,
InfoPrefix: OutputPrefix,
ErrorPrefix: ErrorPrefix,
Ui: &cli.BasicUi{Writer: os.Stdout},
}
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meta := command.Meta{
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Color: true,
ContextOpts: &ContextOpts,
Ui: Ui,
}
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Commands = map[string]cli.CommandFactory{
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"apply": func() (cli.Command, error) {
return &command.ApplyCommand{
Meta: meta,
ShutdownCh: makeShutdownCh(),
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}, nil
},
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"destroy": func() (cli.Command, error) {
return &command.ApplyCommand{
Meta: meta,
Destroy: true,
ShutdownCh: makeShutdownCh(),
}, nil
},
"get": func() (cli.Command, error) {
return &command.GetCommand{
Meta: meta,
}, nil
},
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"graph": func() (cli.Command, error) {
return &command.GraphCommand{
Meta: meta,
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}, nil
},
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"init": func() (cli.Command, error) {
return &command.InitCommand{
Meta: meta,
}, nil
},
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"output": func() (cli.Command, error) {
return &command.OutputCommand{
Meta: meta,
}, nil
},
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"plan": func() (cli.Command, error) {
return &command.PlanCommand{
Meta: meta,
}, nil
},
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"refresh": func() (cli.Command, error) {
return &command.RefreshCommand{
Meta: meta,
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}, nil
},
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"remote": func() (cli.Command, error) {
return &command.RemoteCommand{
Meta: meta,
}, nil
},
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"show": func() (cli.Command, error) {
return &command.ShowCommand{
Meta: meta,
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}, nil
},
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"taint": func() (cli.Command, error) {
return &command.TaintCommand{
Meta: meta,
}, nil
},
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"version": func() (cli.Command, error) {
return &command.VersionCommand{
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Meta: meta,
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Revision: GitCommit,
Version: Version,
VersionPrerelease: VersionPrerelease,
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CheckFunc: commandVersionCheck,
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}, nil
},
}
}
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// makeShutdownCh creates an interrupt listener and returns a channel.
// A message will be sent on the channel for every interrupt received.
func makeShutdownCh() <-chan struct{} {
resultCh := make(chan struct{})
signalCh := make(chan os.Signal, 4)
signal.Notify(signalCh, os.Interrupt)
go func() {
for {
<-signalCh
resultCh <- struct{}{}
}
}()
return resultCh
}