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Bootstrapper

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This commit is contained in:
katexochen 2022-07-05 14:14:11 +02:00 • committed by Paul Meyer
parent 1af18e990d
commit 66b573ea5d
34 changed files with 492 additions and 202 deletions
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27
bootstrapper/internal/joinclient/client.go
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@ -25,8 +25,9 @@ import (
)
const (
interval = 30 * time.Second
timeout = 30 * time.Second
interval = 30 * time.Second
timeout = 30 * time.Second
joinTimeout = 5 * time.Minute
)
// JoinClient is a client for requesting the needed information and
@ -39,9 +40,10 @@ type JoinClient struct {
disk encryptedDisk
fileHandler file.Handler
timeout time.Duration
interval time.Duration
clock clock.WithTicker
timeout time.Duration
joinTimeout time.Duration
interval time.Duration
clock clock.WithTicker
dialer grpcDialer
joiner ClusterJoiner
@ -57,9 +59,11 @@ type JoinClient struct {
// New creates a new JoinClient.
func New(lock *nodelock.Lock, dial grpcDialer, joiner ClusterJoiner, meta MetadataAPI, log *zap.Logger) *JoinClient {
return &JoinClient{
nodeLock: lock,
disk: diskencryption.New(),
fileHandler: file.NewHandler(afero.NewOsFs()),
timeout: timeout,
joinTimeout: joinTimeout,
interval: interval,
clock: clock.RealClock{},
dialer: dial,
@ -202,10 +206,13 @@ func (c *JoinClient) join(serviceEndpoint string) error {
return fmt.Errorf("issuing join ticket: %w", err)
}
return c.startNodeAndJoin(ctx, ticket)
return c.startNodeAndJoin(ticket)
}
func (c *JoinClient) startNodeAndJoin(ctx context.Context, ticket *joinproto.IssueJoinTicketResponse) (retErr error) {
func (c *JoinClient) startNodeAndJoin(ticket *joinproto.IssueJoinTicketResponse) (retErr error) {
ctx, cancel := context.WithTimeout(context.Background(), c.joinTimeout)
defer cancel()
// If an error occurs in this func, the client cannot continue.
defer func() {
if retErr != nil {
@ -235,7 +242,7 @@ func (c *JoinClient) startNodeAndJoin(ctx context.Context, ticket *joinproto.Iss
btd := &kubeadm.BootstrapTokenDiscovery{
APIServerEndpoint: ticket.ApiServerEndpoint,
Token: ticket.ApiServerEndpoint,
Token: ticket.Token,
CACertHashes: []string{ticket.DiscoveryTokenCaCertHash},
}
if err := c.joiner.JoinCluster(ctx, btd, ticket.CertificateKey, c.role); err != nil {
@ -249,12 +256,12 @@ func (c *JoinClient) getNodeMetadata() error {
ctx, cancel := c.timeoutCtx()
defer cancel()
c.log.Info("Requesting node metadata from metadata API")
c.log.Debug("Requesting node metadata from metadata API")
inst, err := c.metadataAPI.Self(ctx)
if err != nil {
return err
}
c.log.Info("Received node metadata", zap.Any("instance", inst))
c.log.Debug("Received node metadata", zap.Any("instance", inst))
if inst.Name == "" {
return errors.New("got instance metadata with empty name")