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restart.go
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restart.go
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package apps
import (
"context"
"errors"
"fmt"
"github.com/spf13/cobra"
fly "github.com/superfly/fly-go"
"github.com/superfly/fly-go/flaps"
"github.com/superfly/flyctl/internal/appconfig"
"github.com/superfly/flyctl/internal/command"
"github.com/superfly/flyctl/internal/flag"
"github.com/superfly/flyctl/internal/flag/completion"
"github.com/superfly/flyctl/internal/flapsutil"
"github.com/superfly/flyctl/internal/flyutil"
"github.com/superfly/flyctl/internal/machine"
)
func newRestart() *cobra.Command {
const (
long = `Restart an application. Perform a rolling restart against all running Machines.`
short = "Restart an application."
usage = "restart <app name>"
)
cmd := command.New(usage, short, long, runRestart,
command.RequireSession,
command.LoadAppNameIfPresentNoFlag,
)
cmd.Args = cobra.MaximumNArgs(1)
// Note -
flag.Add(cmd,
flag.Bool{
Name: "force-stop",
Description: "Performs a force stop against the target Machine",
Default: false,
},
flag.Bool{
Name: "skip-health-checks",
Description: "Restarts app without waiting for health checks",
Default: false,
},
)
cmd.ValidArgsFunction = completion.Adapt(completion.CompleteApps)
return cmd
}
func runRestart(ctx context.Context) error {
var (
appName = flag.FirstArg(ctx)
client = flyutil.ClientFromContext(ctx)
)
if appName == "" {
appName = appconfig.NameFromContext(ctx)
if appName == "" {
return errors.New("no app name was provided, and none is available from the environment or fly.toml")
}
}
app, err := client.GetAppCompact(ctx, appName)
if err != nil {
return err
}
if app.IsPostgresApp() {
return fmt.Errorf("postgres apps should use `fly pg restart` instead")
}
ctx, err = BuildContext(ctx, app)
if err != nil {
return err
}
return runMachinesRestart(ctx, app)
}
func runMachinesRestart(ctx context.Context, app *fly.AppCompact) error {
input := &fly.RestartMachineInput{
ForceStop: flag.GetBool(ctx, "force-stop"),
SkipHealthChecks: flag.GetBool(ctx, "skip-health-checks"),
}
// Rolling restart against exclusively the machines managed by the Apps platform
flapsClient, err := flapsutil.NewClientWithOptions(ctx, flaps.NewClientOpts{
AppCompact: app,
AppName: app.Name,
})
if err != nil {
return err
}
machines, _, err := flapsClient.ListFlyAppsMachines(ctx)
if err != nil {
return err
}
machines, releaseFunc, err := machine.AcquireLeases(ctx, machines)
defer releaseFunc()
if err != nil {
return err
}
for _, m := range machines {
if err := machine.Restart(ctx, m, input, m.LeaseNonce); err != nil {
return err
}
}
return nil
}