mirror of
https://github.com/pomerium/pomerium.git
synced 2025-04-29 10:26:29 +02:00
104 lines
2.4 KiB
Go
104 lines
2.4 KiB
Go
// Package cmd implements the pomerium zero command.
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package cmd
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import (
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"context"
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"errors"
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"fmt"
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"os"
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"os/signal"
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"path/filepath"
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"syscall"
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"github.com/mattn/go-isatty"
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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"github.com/pomerium/pomerium/internal/zero/controller"
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)
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// Run runs the pomerium zero command.
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func Run(ctx context.Context, configFile string) error {
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err := setupLogger()
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if err != nil {
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return fmt.Errorf("error setting up logger: %w", err)
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}
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token := getToken(configFile)
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if token == "" {
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return errors.New("no token provided")
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}
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bootstrapConfigFileName, err := getBootstrapConfigFileName()
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if err != nil {
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return fmt.Errorf("error getting bootstrap config path: %w", err)
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}
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return controller.Run(
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withInterrupt(ctx),
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controller.WithAPIToken(token),
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controller.WithClusterAPIEndpoint(getClusterAPIEndpoint()),
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controller.WithConnectAPIEndpoint(getConnectAPIEndpoint()),
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controller.WithBootstrapConfigFileName(bootstrapConfigFileName),
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)
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}
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// IsManagedMode returns true if Pomerium should start in managed mode using this command.
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func IsManagedMode(configFile string) bool {
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return getToken(configFile) != ""
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}
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func withInterrupt(ctx context.Context) context.Context {
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ctx, cancel := context.WithCancel(ctx)
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go func(ctx context.Context) {
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ch := make(chan os.Signal, 2)
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defer signal.Stop(ch)
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signal.Notify(ch, os.Interrupt)
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signal.Notify(ch, syscall.SIGTERM)
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select {
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case sig := <-ch:
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log.Ctx(ctx).Info().Str("signal", sig.String()).Msg("quitting...")
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case <-ctx.Done():
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}
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cancel()
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}(ctx)
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return ctx
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}
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func setupLogger() error {
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if isatty.IsTerminal(os.Stdin.Fd()) {
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log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
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} else {
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log.Logger = zerolog.New(os.Stderr)
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}
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if rawLvl, ok := os.LookupEnv("LOG_LEVEL"); ok {
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lvl, err := zerolog.ParseLevel(rawLvl)
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if err != nil {
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return err
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}
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log.Logger = log.Logger.Level(lvl)
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} else {
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log.Logger = log.Logger.Level(zerolog.InfoLevel)
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}
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// set the default context logger
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zerolog.DefaultContextLogger = &log.Logger
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return nil
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}
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func getBootstrapConfigFileName() (string, error) {
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cacheDir, err := os.UserCacheDir()
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if err != nil {
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return "", err
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}
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dir := filepath.Join(cacheDir, "pomerium")
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if err := os.MkdirAll(dir, 0o700); err != nil {
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return "", fmt.Errorf("error creating cache directory: %w", err)
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}
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return filepath.Join(dir, "bootstrap.dat"), nil
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}
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