constellation/cli/cmd/root.go
Daniel Weiße 149fedb90f
cli: add constellation apply command to replace init and upgrade apply (#2484)
* Add apply command
* Mark init and upgrade apply as deprecated
* Use apply command in CI
* Add skippable phases for attestation config and cert SANs

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Signed-off-by: Daniel Weiße <dw@edgeless.systems>
2023-10-26 15:59:13 +02:00

118 lines
3.1 KiB
Go

/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
/*
Package cmd is the entrypoint of the Constellation CLI.
Business logic of the CLI shall be implemented in the internal/cmd package.
*/
package cmd
import (
"context"
"fmt"
"os"
"os/signal"
"github.com/edgelesssys/constellation/v2/cli/internal/cmd"
"github.com/spf13/cobra"
)
// Execute starts the CLI.
func Execute() error {
cobra.EnableCommandSorting = false
rootCmd := NewRootCmd()
ctx, cancel := signalContext(context.Background(), os.Interrupt)
defer cancel()
return rootCmd.ExecuteContext(ctx)
}
// NewRootCmd creates the root command.
func NewRootCmd() *cobra.Command {
rootCmd := &cobra.Command{
Use: "constellation",
Short: "Manage your Constellation cluster",
Long: "Manage your Constellation cluster.",
PersistentPreRunE: preRunRoot,
}
// Set output of cmd.Print to stdout. (By default, it's stderr.)
rootCmd.SetOut(os.Stdout)
rootCmd.PersistentFlags().StringP("workspace", "C", "", "path to the Constellation workspace")
rootCmd.PersistentFlags().Bool("debug", false, "enable debug logging")
rootCmd.PersistentFlags().Bool("force", false, "disable version compatibility checks - might result in corrupted clusters")
rootCmd.PersistentFlags().String("tf-log", "NONE", "Terraform log level")
must(rootCmd.MarkPersistentFlagDirname("workspace"))
rootCmd.AddCommand(cmd.NewConfigCmd())
rootCmd.AddCommand(cmd.NewCreateCmd())
rootCmd.AddCommand(cmd.NewApplyCmd())
rootCmd.AddCommand(cmd.NewMiniCmd())
rootCmd.AddCommand(cmd.NewStatusCmd())
rootCmd.AddCommand(cmd.NewVerifyCmd())
rootCmd.AddCommand(cmd.NewUpgradeCmd())
rootCmd.AddCommand(cmd.NewRecoverCmd())
rootCmd.AddCommand(cmd.NewTerminateCmd())
rootCmd.AddCommand(cmd.NewIAMCmd())
rootCmd.AddCommand(cmd.NewVersionCmd())
rootCmd.AddCommand(cmd.NewInitCmd())
return rootCmd
}
// signalContext returns a context that is canceled on the handed signal.
// The signal isn't watched after its first occurrence. Call the cancel
// function to ensure the internal goroutine is stopped and the signal isn't
// watched any longer.
func signalContext(ctx context.Context, sig os.Signal) (context.Context, context.CancelFunc) {
sigCtx, stop := signal.NotifyContext(ctx, sig)
done := make(chan struct{}, 1)
stopDone := make(chan struct{}, 1)
go func() {
defer func() { stopDone <- struct{}{} }()
defer stop()
select {
case <-sigCtx.Done():
fmt.Println(" Signal caught. Press ctrl+c again to terminate the program immediately.")
case <-done:
}
}()
cancelFunc := func() {
done <- struct{}{}
<-stopDone
}
return sigCtx, cancelFunc
}
func preRunRoot(cmd *cobra.Command, _ []string) error {
cmd.SilenceUsage = true
workspace, err := cmd.Flags().GetString("workspace")
if err != nil {
return fmt.Errorf("getting workspace flag: %w", err)
}
// Change to workspace directory if set.
if workspace != "" {
if err := os.Chdir(workspace); err != nil {
return fmt.Errorf("changing from current directory to workspace %q: %w", workspace, err)
}
}
return nil
}
func must(err error) {
if err != nil {
panic(err)
}
}