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exec.go
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exec.go
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package machine
import (
"context"
"fmt"
"github.com/spf13/cobra"
"github.com/superfly/flyctl/api"
"github.com/superfly/flyctl/flaps"
"github.com/superfly/flyctl/internal/command"
"github.com/superfly/flyctl/internal/config"
"github.com/superfly/flyctl/internal/flag"
"github.com/superfly/flyctl/internal/render"
"github.com/superfly/flyctl/iostreams"
)
func newMachineExec() *cobra.Command {
const (
short = "Execute a command on a machine"
long = short + "\n"
usage = "exec <machine-id> <command>"
)
cmd := command.New(usage, short, long, runMachineExec,
command.RequireSession,
command.LoadAppNameIfPresent,
)
flag.Add(
cmd,
flag.App(),
flag.AppConfig(),
flag.JSONOutput(),
selectFlag,
flag.Int{
Name: "timeout",
Description: "Timeout in seconds",
},
)
cmd.Args = cobra.RangeArgs(1, 2)
return cmd
}
func runMachineExec(ctx context.Context) (err error) {
var (
args = flag.Args(ctx)
io = iostreams.FromContext(ctx)
config = config.FromContext(ctx)
machineID string
haveMachineID bool
command string
)
if len(args) == 2 {
machineID = args[0]
haveMachineID = true
command = args[1]
} else {
command = args[0]
}
current, ctx, err := selectOneMachine(ctx, nil, machineID, haveMachineID)
if err != nil {
return err
}
flapsClient := flaps.FromContext(ctx)
var timeout = flag.GetInt(ctx, "timeout")
in := &api.MachineExecRequest{
Cmd: command,
Timeout: timeout,
}
out, err := flapsClient.Exec(ctx, current.ID, in)
if err != nil {
return fmt.Errorf("could not exec command on machine %s: %w", current.ID, err)
}
if config.JSONOutput {
return render.JSON(io.Out, out)
}
if out.ExitCode != 0 {
fmt.Fprintf(io.Out, "Exit code: %d\n", out.ExitCode)
}
if out.StdOut != "" {
fmt.Fprint(io.Out, out.StdOut)
}
if out.StdErr != "" {
fmt.Fprint(io.ErrOut, out.StdErr)
}
return
}