mirror of https://github.com/netbirdio/netbird.git
727 lines
24 KiB
Go
727 lines
24 KiB
Go
package cmd
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import (
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"context"
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"crypto/tls"
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"encoding/json"
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"errors"
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"flag"
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"fmt"
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"io"
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"io/fs"
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"net"
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"net/http"
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"net/netip"
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"net/url"
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"os"
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"path"
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"slices"
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"strings"
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"time"
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"github.com/google/uuid"
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grpcMiddleware "github.com/grpc-ecosystem/go-grpc-middleware/v2"
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"github.com/miekg/dns"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"golang.org/x/crypto/acme/autocert"
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"golang.org/x/net/http2"
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"golang.org/x/net/http2/h2c"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials"
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"google.golang.org/grpc/keepalive"
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"github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/realip"
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"github.com/netbirdio/management-integrations/integrations"
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"github.com/netbirdio/netbird/encryption"
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"github.com/netbirdio/netbird/formatter"
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mgmtProto "github.com/netbirdio/netbird/management/proto"
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"github.com/netbirdio/netbird/management/server"
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nbContext "github.com/netbirdio/netbird/management/server/context"
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"github.com/netbirdio/netbird/management/server/geolocation"
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httpapi "github.com/netbirdio/netbird/management/server/http"
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"github.com/netbirdio/netbird/management/server/idp"
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"github.com/netbirdio/netbird/management/server/jwtclaims"
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"github.com/netbirdio/netbird/management/server/metrics"
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"github.com/netbirdio/netbird/management/server/telemetry"
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"github.com/netbirdio/netbird/util"
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"github.com/netbirdio/netbird/version"
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)
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// ManagementLegacyPort is the port that was used before by the Management gRPC server.
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// It is used for backward compatibility now.
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const ManagementLegacyPort = 33073
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var (
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mgmtPort int
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mgmtMetricsPort int
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mgmtLetsencryptDomain string
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mgmtSingleAccModeDomain string
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certFile string
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certKey string
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config *server.Config
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kaep = keepalive.EnforcementPolicy{
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MinTime: 15 * time.Second,
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PermitWithoutStream: true,
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}
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kasp = keepalive.ServerParameters{
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MaxConnectionIdle: 15 * time.Second,
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MaxConnectionAgeGrace: 5 * time.Second,
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Time: 5 * time.Second,
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Timeout: 2 * time.Second,
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}
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mgmtCmd = &cobra.Command{
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Use: "management",
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Short: "start NetBird Management Server",
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PreRunE: func(cmd *cobra.Command, args []string) error {
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flag.Parse()
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//nolint
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ctx := context.WithValue(cmd.Context(), formatter.ExecutionContextKey, formatter.SystemSource)
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err := util.InitLog(logLevel, logFile)
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if err != nil {
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return fmt.Errorf("failed initializing log %v", err)
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}
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// detect whether user specified a port
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userPort := cmd.Flag("port").Changed
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config, err = loadMgmtConfig(ctx, mgmtConfig)
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if err != nil {
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return fmt.Errorf("failed reading provided config file: %s: %v", mgmtConfig, err)
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}
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if cmd.Flag(idpSignKeyRefreshEnabledFlagName).Changed {
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config.HttpConfig.IdpSignKeyRefreshEnabled = idpSignKeyRefreshEnabled
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}
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tlsEnabled := false
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if mgmtLetsencryptDomain != "" || (config.HttpConfig.CertFile != "" && config.HttpConfig.CertKey != "") {
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tlsEnabled = true
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}
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if !userPort {
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// different defaults for port when tls enabled/disabled
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if tlsEnabled {
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mgmtPort = 443
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} else {
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mgmtPort = 80
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}
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}
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_, valid := dns.IsDomainName(dnsDomain)
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if !valid || len(dnsDomain) > 192 {
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return fmt.Errorf("failed parsing the provided dns-domain. Valid status: %t, Length: %d", valid, len(dnsDomain))
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}
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return nil
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},
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RunE: func(cmd *cobra.Command, args []string) error {
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ctx, cancel := context.WithCancel(cmd.Context())
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defer cancel()
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//nolint
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ctx = context.WithValue(ctx, formatter.ExecutionContextKey, formatter.SystemSource)
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err := handleRebrand(cmd)
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if err != nil {
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return fmt.Errorf("failed to migrate files %v", err)
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}
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if _, err = os.Stat(config.Datadir); os.IsNotExist(err) {
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err = os.MkdirAll(config.Datadir, 0755)
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if err != nil {
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return fmt.Errorf("failed creating datadir: %s: %v", config.Datadir, err)
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}
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}
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appMetrics, err := telemetry.NewDefaultAppMetrics(cmd.Context())
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if err != nil {
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return err
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}
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err = appMetrics.Expose(ctx, mgmtMetricsPort, "/metrics")
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if err != nil {
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return err
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}
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store, err := server.NewStore(ctx, config.StoreConfig.Engine, config.Datadir, appMetrics)
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if err != nil {
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return fmt.Errorf("failed creating Store: %s: %v", config.Datadir, err)
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}
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peersUpdateManager := server.NewPeersUpdateManager(appMetrics)
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var idpManager idp.Manager
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if config.IdpManagerConfig != nil {
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idpManager, err = idp.NewManager(ctx, *config.IdpManagerConfig, appMetrics)
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if err != nil {
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return fmt.Errorf("failed retrieving a new idp manager with err: %v", err)
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}
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}
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if disableSingleAccMode {
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mgmtSingleAccModeDomain = ""
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}
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eventStore, key, err := integrations.InitEventStore(ctx, config.Datadir, config.DataStoreEncryptionKey)
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if err != nil {
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return fmt.Errorf("failed to initialize database: %s", err)
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}
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if config.DataStoreEncryptionKey != key {
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log.WithContext(ctx).Infof("update config with activity store key")
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config.DataStoreEncryptionKey = key
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err := updateMgmtConfig(ctx, mgmtConfig, config)
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if err != nil {
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return fmt.Errorf("failed to write out store encryption key: %s", err)
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}
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}
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geo, err := geolocation.NewGeolocation(ctx, config.Datadir)
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if err != nil {
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log.WithContext(ctx).Warnf("could not initialize geo location service: %v, we proceed without geo support", err)
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} else {
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log.WithContext(ctx).Infof("geo location service has been initialized from %s", config.Datadir)
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}
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integratedPeerValidator, err := integrations.NewIntegratedValidator(ctx, eventStore)
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if err != nil {
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return fmt.Errorf("failed to initialize integrated peer validator: %v", err)
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}
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accountManager, err := server.BuildManager(ctx, store, peersUpdateManager, idpManager, mgmtSingleAccModeDomain,
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dnsDomain, eventStore, geo, userDeleteFromIDPEnabled, integratedPeerValidator, appMetrics)
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if err != nil {
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return fmt.Errorf("failed to build default manager: %v", err)
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}
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turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
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trustedPeers := config.ReverseProxy.TrustedPeers
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defaultTrustedPeers := []netip.Prefix{netip.MustParsePrefix("0.0.0.0/0"), netip.MustParsePrefix("::/0")}
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if len(trustedPeers) == 0 || slices.Equal[[]netip.Prefix](trustedPeers, defaultTrustedPeers) {
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log.WithContext(ctx).Warn("TrustedPeers are configured to default value '0.0.0.0/0', '::/0'. This allows connection IP spoofing.")
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trustedPeers = defaultTrustedPeers
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}
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trustedHTTPProxies := config.ReverseProxy.TrustedHTTPProxies
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trustedProxiesCount := config.ReverseProxy.TrustedHTTPProxiesCount
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if len(trustedHTTPProxies) > 0 && trustedProxiesCount > 0 {
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log.WithContext(ctx).Warn("TrustedHTTPProxies and TrustedHTTPProxiesCount both are configured. " +
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"This is not recommended way to extract X-Forwarded-For. Consider using one of these options.")
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}
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realipOpts := []realip.Option{
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realip.WithTrustedPeers(trustedPeers),
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realip.WithTrustedProxies(trustedHTTPProxies),
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realip.WithTrustedProxiesCount(trustedProxiesCount),
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realip.WithHeaders([]string{realip.XForwardedFor, realip.XRealIp}),
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}
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gRPCOpts := []grpc.ServerOption{
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grpc.KeepaliveEnforcementPolicy(kaep),
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grpc.KeepaliveParams(kasp),
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grpc.ChainUnaryInterceptor(realip.UnaryServerInterceptorOpts(realipOpts...), unaryInterceptor),
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grpc.ChainStreamInterceptor(realip.StreamServerInterceptorOpts(realipOpts...), streamInterceptor),
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}
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var certManager *autocert.Manager
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var tlsConfig *tls.Config
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tlsEnabled := false
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if config.HttpConfig.LetsEncryptDomain != "" {
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certManager, err = encryption.CreateCertManager(config.Datadir, config.HttpConfig.LetsEncryptDomain)
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if err != nil {
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return fmt.Errorf("failed creating LetsEncrypt cert manager: %v", err)
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}
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transportCredentials := credentials.NewTLS(certManager.TLSConfig())
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gRPCOpts = append(gRPCOpts, grpc.Creds(transportCredentials))
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tlsEnabled = true
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} else if config.HttpConfig.CertFile != "" && config.HttpConfig.CertKey != "" {
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tlsConfig, err = loadTLSConfig(config.HttpConfig.CertFile, config.HttpConfig.CertKey)
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if err != nil {
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log.WithContext(ctx).Errorf("cannot load TLS credentials: %v", err)
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return err
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}
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transportCredentials := credentials.NewTLS(tlsConfig)
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gRPCOpts = append(gRPCOpts, grpc.Creds(transportCredentials))
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tlsEnabled = true
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}
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jwtValidator, err := jwtclaims.NewJWTValidator(
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ctx,
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config.HttpConfig.AuthIssuer,
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config.GetAuthAudiences(),
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config.HttpConfig.AuthKeysLocation,
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config.HttpConfig.IdpSignKeyRefreshEnabled,
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)
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if err != nil {
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return fmt.Errorf("failed creating JWT validator: %v", err)
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}
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httpAPIAuthCfg := httpapi.AuthCfg{
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Issuer: config.HttpConfig.AuthIssuer,
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Audience: config.HttpConfig.AuthAudience,
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UserIDClaim: config.HttpConfig.AuthUserIDClaim,
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KeysLocation: config.HttpConfig.AuthKeysLocation,
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}
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httpAPIHandler, err := httpapi.APIHandler(ctx, accountManager, geo, *jwtValidator, appMetrics, httpAPIAuthCfg, integratedPeerValidator)
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if err != nil {
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return fmt.Errorf("failed creating HTTP API handler: %v", err)
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}
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ephemeralManager := server.NewEphemeralManager(store, accountManager)
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ephemeralManager.LoadInitialPeers(ctx)
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gRPCAPIHandler := grpc.NewServer(gRPCOpts...)
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srv, err := server.NewServer(ctx, config, accountManager, peersUpdateManager, turnManager, appMetrics, ephemeralManager)
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if err != nil {
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return fmt.Errorf("failed creating gRPC API handler: %v", err)
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}
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mgmtProto.RegisterManagementServiceServer(gRPCAPIHandler, srv)
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installationID, err := getInstallationID(ctx, store)
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if err != nil {
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log.WithContext(ctx).Errorf("cannot load TLS credentials: %v", err)
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return err
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}
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if !disableMetrics {
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idpManager := "disabled"
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if config.IdpManagerConfig != nil && config.IdpManagerConfig.ManagerType != "" {
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idpManager = config.IdpManagerConfig.ManagerType
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}
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metricsWorker := metrics.NewWorker(ctx, installationID, store, peersUpdateManager, idpManager)
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go metricsWorker.Run(ctx)
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}
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var compatListener net.Listener
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if mgmtPort != ManagementLegacyPort {
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// The Management gRPC server was running on port 33073 previously. Old agents that are already connected to it
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// are using port 33073. For compatibility purposes we keep running a 2nd gRPC server on port 33073.
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compatListener, err = serveGRPC(ctx, gRPCAPIHandler, ManagementLegacyPort)
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if err != nil {
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return err
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}
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log.WithContext(ctx).Infof("running gRPC backward compatibility server: %s", compatListener.Addr().String())
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}
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rootHandler := handlerFunc(gRPCAPIHandler, httpAPIHandler)
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var listener net.Listener
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if certManager != nil {
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// a call to certManager.Listener() always creates a new listener so we do it once
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cml := certManager.Listener()
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if mgmtPort == 443 {
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// CertManager, HTTP and gRPC API all on the same port
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rootHandler = certManager.HTTPHandler(rootHandler)
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listener = cml
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} else {
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listener, err = tls.Listen("tcp", fmt.Sprintf(":%d", mgmtPort), certManager.TLSConfig())
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if err != nil {
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return fmt.Errorf("failed creating TLS listener on port %d: %v", mgmtPort, err)
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}
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log.WithContext(ctx).Infof("running HTTP server (LetsEncrypt challenge handler): %s", cml.Addr().String())
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serveHTTP(ctx, cml, certManager.HTTPHandler(nil))
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}
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} else if tlsConfig != nil {
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listener, err = tls.Listen("tcp", fmt.Sprintf(":%d", mgmtPort), tlsConfig)
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if err != nil {
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return fmt.Errorf("failed creating TLS listener on port %d: %v", mgmtPort, err)
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}
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} else {
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listener, err = net.Listen("tcp", fmt.Sprintf(":%d", mgmtPort))
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if err != nil {
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return fmt.Errorf("failed creating TCP listener on port %d: %v", mgmtPort, err)
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}
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}
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log.WithContext(ctx).Infof("management server version %s", version.NetbirdVersion())
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log.WithContext(ctx).Infof("running HTTP server and gRPC server on the same port: %s", listener.Addr().String())
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serveGRPCWithHTTP(ctx, listener, rootHandler, tlsEnabled)
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SetupCloseHandler()
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<-stopCh
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integratedPeerValidator.Stop(ctx)
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if geo != nil {
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_ = geo.Stop()
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}
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ephemeralManager.Stop()
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_ = appMetrics.Close()
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_ = listener.Close()
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if certManager != nil {
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_ = certManager.Listener().Close()
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}
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gRPCAPIHandler.Stop()
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_ = store.Close(ctx)
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_ = eventStore.Close(ctx)
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log.WithContext(ctx).Infof("stopped Management Service")
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return nil
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},
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}
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)
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func unaryInterceptor(
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ctx context.Context,
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req interface{},
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info *grpc.UnaryServerInfo,
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handler grpc.UnaryHandler,
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) (interface{}, error) {
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reqID := uuid.New().String()
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//nolint
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ctx = context.WithValue(ctx, formatter.ExecutionContextKey, formatter.GRPCSource)
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//nolint
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ctx = context.WithValue(ctx, nbContext.RequestIDKey, reqID)
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return handler(ctx, req)
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}
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func streamInterceptor(
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srv interface{},
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ss grpc.ServerStream,
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info *grpc.StreamServerInfo,
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handler grpc.StreamHandler,
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) error {
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reqID := uuid.New().String()
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wrapped := grpcMiddleware.WrapServerStream(ss)
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//nolint
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ctx := context.WithValue(ss.Context(), formatter.ExecutionContextKey, formatter.GRPCSource)
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//nolint
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wrapped.WrappedContext = context.WithValue(ctx, nbContext.RequestIDKey, reqID)
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return handler(srv, wrapped)
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}
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func notifyStop(ctx context.Context, msg string) {
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select {
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case stopCh <- 1:
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log.WithContext(ctx).Error(msg)
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default:
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// stop has been already called, nothing to report
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}
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}
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func getInstallationID(ctx context.Context, store server.Store) (string, error) {
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installationID := store.GetInstallationID()
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if installationID != "" {
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return installationID, nil
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}
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installationID = strings.ToUpper(uuid.New().String())
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err := store.SaveInstallationID(ctx, installationID)
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if err != nil {
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return "", err
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}
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return installationID, nil
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}
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func serveGRPC(ctx context.Context, grpcServer *grpc.Server, port int) (net.Listener, error) {
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listener, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
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if err != nil {
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return nil, err
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}
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go func() {
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err := grpcServer.Serve(listener)
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if err != nil {
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notifyStop(ctx, fmt.Sprintf("failed running gRPC server on port %d: %v", port, err))
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}
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}()
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return listener, nil
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}
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func serveHTTP(ctx context.Context, httpListener net.Listener, handler http.Handler) {
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go func() {
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err := http.Serve(httpListener, handler)
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if err != nil {
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notifyStop(ctx, fmt.Sprintf("failed running HTTP server: %v", err))
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}
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}()
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}
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func serveGRPCWithHTTP(ctx context.Context, listener net.Listener, handler http.Handler, tlsEnabled bool) {
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go func() {
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var err error
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if tlsEnabled {
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err = http.Serve(listener, handler)
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} else {
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// the following magic is needed to support HTTP2 without TLS
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// and still share a single port between gRPC and HTTP APIs
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h1s := &http.Server{
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Handler: h2c.NewHandler(handler, &http2.Server{}),
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}
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err = h1s.Serve(listener)
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}
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if err != nil {
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select {
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case stopCh <- 1:
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log.WithContext(ctx).Errorf("failed to serve HTTP and gRPC server: %v", err)
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default:
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// stop has been already called, nothing to report
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}
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}
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}()
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}
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func handlerFunc(gRPCHandler *grpc.Server, httpHandler http.Handler) http.Handler {
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return http.HandlerFunc(func(writer http.ResponseWriter, request *http.Request) {
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grpcHeader := strings.HasPrefix(request.Header.Get("Content-Type"), "application/grpc") ||
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strings.HasPrefix(request.Header.Get("Content-Type"), "application/grpc+proto")
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if request.ProtoMajor == 2 && grpcHeader {
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gRPCHandler.ServeHTTP(writer, request)
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} else {
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httpHandler.ServeHTTP(writer, request)
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}
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})
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}
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func loadMgmtConfig(ctx context.Context, mgmtConfigPath string) (*server.Config, error) {
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loadedConfig := &server.Config{}
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_, err := util.ReadJson(mgmtConfigPath, loadedConfig)
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if err != nil {
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return nil, err
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}
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if mgmtLetsencryptDomain != "" {
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loadedConfig.HttpConfig.LetsEncryptDomain = mgmtLetsencryptDomain
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|
}
|
|
if mgmtDataDir != "" {
|
|
loadedConfig.Datadir = mgmtDataDir
|
|
}
|
|
|
|
if certKey != "" && certFile != "" {
|
|
loadedConfig.HttpConfig.CertFile = certFile
|
|
loadedConfig.HttpConfig.CertKey = certKey
|
|
}
|
|
|
|
oidcEndpoint := loadedConfig.HttpConfig.OIDCConfigEndpoint
|
|
if oidcEndpoint != "" {
|
|
// if OIDCConfigEndpoint is specified, we can load DeviceAuthEndpoint and TokenEndpoint automatically
|
|
log.WithContext(ctx).Infof("loading OIDC configuration from the provided IDP configuration endpoint %s", oidcEndpoint)
|
|
oidcConfig, err := fetchOIDCConfig(ctx, oidcEndpoint)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
log.WithContext(ctx).Infof("loaded OIDC configuration from the provided IDP configuration endpoint: %s", oidcEndpoint)
|
|
|
|
log.WithContext(ctx).Infof("overriding HttpConfig.AuthIssuer with a new value %s, previously configured value: %s",
|
|
oidcConfig.Issuer, loadedConfig.HttpConfig.AuthIssuer)
|
|
loadedConfig.HttpConfig.AuthIssuer = oidcConfig.Issuer
|
|
|
|
log.WithContext(ctx).Infof("overriding HttpConfig.AuthKeysLocation (JWT certs) with a new value %s, previously configured value: %s",
|
|
oidcConfig.JwksURI, loadedConfig.HttpConfig.AuthKeysLocation)
|
|
loadedConfig.HttpConfig.AuthKeysLocation = oidcConfig.JwksURI
|
|
|
|
if !(loadedConfig.DeviceAuthorizationFlow == nil || strings.ToLower(loadedConfig.DeviceAuthorizationFlow.Provider) == string(server.NONE)) {
|
|
log.WithContext(ctx).Infof("overriding DeviceAuthorizationFlow.TokenEndpoint with a new value: %s, previously configured value: %s",
|
|
oidcConfig.TokenEndpoint, loadedConfig.DeviceAuthorizationFlow.ProviderConfig.TokenEndpoint)
|
|
loadedConfig.DeviceAuthorizationFlow.ProviderConfig.TokenEndpoint = oidcConfig.TokenEndpoint
|
|
log.WithContext(ctx).Infof("overriding DeviceAuthorizationFlow.DeviceAuthEndpoint with a new value: %s, previously configured value: %s",
|
|
oidcConfig.DeviceAuthEndpoint, loadedConfig.DeviceAuthorizationFlow.ProviderConfig.DeviceAuthEndpoint)
|
|
loadedConfig.DeviceAuthorizationFlow.ProviderConfig.DeviceAuthEndpoint = oidcConfig.DeviceAuthEndpoint
|
|
|
|
u, err := url.Parse(oidcEndpoint)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
log.WithContext(ctx).Infof("overriding DeviceAuthorizationFlow.ProviderConfig.Domain with a new value: %s, previously configured value: %s",
|
|
u.Host, loadedConfig.DeviceAuthorizationFlow.ProviderConfig.Domain)
|
|
loadedConfig.DeviceAuthorizationFlow.ProviderConfig.Domain = u.Host
|
|
|
|
if loadedConfig.DeviceAuthorizationFlow.ProviderConfig.Scope == "" {
|
|
loadedConfig.DeviceAuthorizationFlow.ProviderConfig.Scope = server.DefaultDeviceAuthFlowScope
|
|
}
|
|
}
|
|
|
|
if loadedConfig.PKCEAuthorizationFlow != nil {
|
|
log.WithContext(ctx).Infof("overriding PKCEAuthorizationFlow.TokenEndpoint with a new value: %s, previously configured value: %s",
|
|
oidcConfig.TokenEndpoint, loadedConfig.PKCEAuthorizationFlow.ProviderConfig.TokenEndpoint)
|
|
loadedConfig.PKCEAuthorizationFlow.ProviderConfig.TokenEndpoint = oidcConfig.TokenEndpoint
|
|
log.WithContext(ctx).Infof("overriding PKCEAuthorizationFlow.AuthorizationEndpoint with a new value: %s, previously configured value: %s",
|
|
oidcConfig.AuthorizationEndpoint, loadedConfig.PKCEAuthorizationFlow.ProviderConfig.AuthorizationEndpoint)
|
|
loadedConfig.PKCEAuthorizationFlow.ProviderConfig.AuthorizationEndpoint = oidcConfig.AuthorizationEndpoint
|
|
}
|
|
}
|
|
|
|
return loadedConfig, err
|
|
}
|
|
|
|
func updateMgmtConfig(ctx context.Context, path string, config *server.Config) error {
|
|
return util.DirectWriteJson(ctx, path, config)
|
|
}
|
|
|
|
// OIDCConfigResponse used for parsing OIDC config response
|
|
type OIDCConfigResponse struct {
|
|
Issuer string `json:"issuer"`
|
|
TokenEndpoint string `json:"token_endpoint"`
|
|
DeviceAuthEndpoint string `json:"device_authorization_endpoint"`
|
|
JwksURI string `json:"jwks_uri"`
|
|
AuthorizationEndpoint string `json:"authorization_endpoint"`
|
|
}
|
|
|
|
// fetchOIDCConfig fetches OIDC configuration from the IDP
|
|
func fetchOIDCConfig(ctx context.Context, oidcEndpoint string) (OIDCConfigResponse, error) {
|
|
res, err := http.Get(oidcEndpoint)
|
|
if err != nil {
|
|
return OIDCConfigResponse{}, fmt.Errorf("failed fetching OIDC configuration from endpoint %s %v", oidcEndpoint, err)
|
|
}
|
|
|
|
defer func() {
|
|
err := res.Body.Close()
|
|
if err != nil {
|
|
log.WithContext(ctx).Debugf("failed closing response body %v", err)
|
|
}
|
|
}()
|
|
|
|
body, err := io.ReadAll(res.Body)
|
|
if err != nil {
|
|
return OIDCConfigResponse{}, fmt.Errorf("failed reading OIDC configuration response body: %v", err)
|
|
}
|
|
|
|
if res.StatusCode != 200 {
|
|
return OIDCConfigResponse{}, fmt.Errorf("OIDC configuration request returned status %d with response: %s",
|
|
res.StatusCode, string(body))
|
|
}
|
|
|
|
config := OIDCConfigResponse{}
|
|
err = json.Unmarshal(body, &config)
|
|
if err != nil {
|
|
return OIDCConfigResponse{}, fmt.Errorf("failed unmarshaling OIDC configuration response: %v", err)
|
|
}
|
|
|
|
return config, nil
|
|
}
|
|
|
|
func loadTLSConfig(certFile string, certKey string) (*tls.Config, error) {
|
|
// Load server's certificate and private key
|
|
serverCert, err := tls.LoadX509KeyPair(certFile, certKey)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// NewDefaultAppMetrics the credentials and return it
|
|
config := &tls.Config{
|
|
Certificates: []tls.Certificate{serverCert},
|
|
ClientAuth: tls.NoClientCert,
|
|
NextProtos: []string{
|
|
"h2", "http/1.1", // enable HTTP/2
|
|
},
|
|
}
|
|
|
|
return config, nil
|
|
}
|
|
|
|
func handleRebrand(cmd *cobra.Command) error {
|
|
var err error
|
|
if logFile == defaultLogFile {
|
|
if migrateToNetbird(oldDefaultLogFile, defaultLogFile) {
|
|
cmd.Printf("will copy Log dir %s and its content to %s\n", oldDefaultLogDir, defaultLogDir)
|
|
err = cpDir(oldDefaultLogDir, defaultLogDir)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
if mgmtConfig == defaultMgmtConfig {
|
|
if migrateToNetbird(oldDefaultMgmtConfig, defaultMgmtConfig) {
|
|
cmd.Printf("will copy Config dir %s and its content to %s\n", oldDefaultMgmtConfigDir, defaultMgmtConfigDir)
|
|
err = cpDir(oldDefaultMgmtConfigDir, defaultMgmtConfigDir)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
if mgmtDataDir == defaultMgmtDataDir {
|
|
if migrateToNetbird(oldDefaultMgmtDataDir, defaultMgmtDataDir) {
|
|
cmd.Printf("will copy Config dir %s and its content to %s\n", oldDefaultMgmtDataDir, defaultMgmtDataDir)
|
|
err = cpDir(oldDefaultMgmtDataDir, defaultMgmtDataDir)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func cpFile(src, dst string) error {
|
|
var err error
|
|
var srcfd *os.File
|
|
var dstfd *os.File
|
|
var srcinfo os.FileInfo
|
|
|
|
if srcfd, err = os.Open(src); err != nil {
|
|
return err
|
|
}
|
|
defer srcfd.Close()
|
|
|
|
if dstfd, err = os.Create(dst); err != nil {
|
|
return err
|
|
}
|
|
defer dstfd.Close()
|
|
|
|
if _, err = io.Copy(dstfd, srcfd); err != nil {
|
|
return err
|
|
}
|
|
if srcinfo, err = os.Stat(src); err != nil {
|
|
return err
|
|
}
|
|
return os.Chmod(dst, srcinfo.Mode())
|
|
}
|
|
|
|
func copySymLink(source, dest string) error {
|
|
link, err := os.Readlink(source)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return os.Symlink(link, dest)
|
|
}
|
|
|
|
func cpDir(src string, dst string) error {
|
|
var err error
|
|
var fds []os.DirEntry
|
|
var srcinfo os.FileInfo
|
|
|
|
if srcinfo, err = os.Stat(src); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err = os.MkdirAll(dst, srcinfo.Mode()); err != nil {
|
|
return err
|
|
}
|
|
|
|
if fds, err = os.ReadDir(src); err != nil {
|
|
return err
|
|
}
|
|
for _, fd := range fds {
|
|
srcfp := path.Join(src, fd.Name())
|
|
dstfp := path.Join(dst, fd.Name())
|
|
|
|
fileInfo, err := os.Stat(srcfp)
|
|
if err != nil {
|
|
log.Fatalf("Couldn't get fileInfo; %v", err)
|
|
}
|
|
|
|
switch fileInfo.Mode() & os.ModeType {
|
|
case os.ModeSymlink:
|
|
if err = copySymLink(srcfp, dstfp); err != nil {
|
|
log.Fatalf("Failed to copy from %s to %s; %v", srcfp, dstfp, err)
|
|
}
|
|
case os.ModeDir:
|
|
if err = cpDir(srcfp, dstfp); err != nil {
|
|
log.Fatalf("Failed to copy from %s to %s; %v", srcfp, dstfp, err)
|
|
}
|
|
default:
|
|
if err = cpFile(srcfp, dstfp); err != nil {
|
|
log.Fatalf("Failed to copy from %s to %s; %v", srcfp, dstfp, err)
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func migrateToNetbird(oldPath, newPath string) bool {
|
|
_, errOld := os.Stat(oldPath)
|
|
_, errNew := os.Stat(newPath)
|
|
|
|
if errors.Is(errOld, fs.ErrNotExist) || errNew == nil {
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|