84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
package cmd
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import (
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"os"
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"os/signal"
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"syscall"
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"github.com/hashicorp/watchtower/internal/cmd/base"
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"github.com/hashicorp/watchtower/internal/cmd/commands/controller"
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"github.com/hashicorp/watchtower/internal/cmd/commands/dev"
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"github.com/mitchellh/cli"
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)
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// Commands is the mapping of all the available commands.
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var Commands map[string]cli.CommandFactory
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func initCommands(ui, serverCmdUi cli.Ui, runOpts *RunOptions) {
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/*
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getBaseCommand := func() *base.BaseCommand {
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return &base.BaseCommand{
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UI: ui,
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Address: runOpts.Address,
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}
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}
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*/
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Commands = map[string]cli.CommandFactory{
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"controller": func() (cli.Command, error) {
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return &controller.ControllerCommand{
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BaseCommand: &base.BaseCommand{
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UI: serverCmdUi,
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Address: runOpts.Address,
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},
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ShutdownCh: MakeShutdownCh(),
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SighupCh: MakeSighupCh(),
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SigUSR2Ch: MakeSigUSR2Ch(),
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}, nil
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},
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"dev": func() (cli.Command, error) {
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return &dev.DevCommand{
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BaseCommand: &base.BaseCommand{
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UI: serverCmdUi,
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Address: runOpts.Address,
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},
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ShutdownCh: MakeShutdownCh(),
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SighupCh: MakeSighupCh(),
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SigUSR2Ch: MakeSigUSR2Ch(),
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}, nil
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},
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}
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}
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// MakeShutdownCh returns a channel that can be used for shutdown
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// notifications for commands. This channel will send a message for every
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// SIGINT or SIGTERM received.
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func MakeShutdownCh() chan struct{} {
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resultCh := make(chan struct{})
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shutdownCh := make(chan os.Signal, 4)
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signal.Notify(shutdownCh, os.Interrupt, syscall.SIGTERM)
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go func() {
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<-shutdownCh
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close(resultCh)
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}()
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return resultCh
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}
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// MakeSighupCh returns a channel that can be used for SIGHUP
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// reloading. This channel will send a message for every
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// SIGHUP received.
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func MakeSighupCh() chan struct{} {
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resultCh := make(chan struct{})
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signalCh := make(chan os.Signal, 4)
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signal.Notify(signalCh, syscall.SIGHUP)
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go func() {
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for {
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<-signalCh
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resultCh <- struct{}{}
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}
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}()
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return resultCh
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}
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