certs

package
v1.13.0-beta.0 Latest Latest
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 Go to latest Published: Nov 7, 2018 License: Apache-2.0 Imports: 11 Imported by: 0

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Constants

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Variables

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var (
	// KubeadmCertRootCA is the definition of the Kubernetes Root CA for the API Server and kubelet.
	KubeadmCertRootCA = KubeadmCert{
		Name:     "ca",
		LongName: "self-signed Kubernetes CA to provision identities for other Kubernetes components",
		BaseName: kubeadmconstants.CACertAndKeyBaseName,
		// contains filtered or unexported fields
	}
	// KubeadmCertAPIServer is the definition of the cert used to serve the Kubernetes API.
	KubeadmCertAPIServer = KubeadmCert{
		Name:     "apiserver",
		LongName: "certificate for serving the Kubernetes API",
		BaseName: kubeadmconstants.APIServerCertAndKeyBaseName,
		CAName:   "ca",
		// contains filtered or unexported fields
	}
	// KubeadmCertKubeletClient is the definition of the cert used by the API server to access the kubelet.
	KubeadmCertKubeletClient = KubeadmCert{
		Name:     "apiserver-kubelet-client",
		LongName: "Client certificate for the API server to connect to kubelet",
		BaseName: kubeadmconstants.APIServerKubeletClientCertAndKeyBaseName,
		CAName:   "ca",
		// contains filtered or unexported fields
	}

	// KubeadmCertFrontProxyCA is the definition of the CA used for the front end proxy.
	KubeadmCertFrontProxyCA = KubeadmCert{
		Name:     "front-proxy-ca",
		LongName: "self-signed CA to provision identities for front proxy",
		BaseName: kubeadmconstants.FrontProxyCACertAndKeyBaseName,
		// contains filtered or unexported fields
	}

	// KubeadmCertFrontProxyClient is the definition of the cert used by the API server to access the front proxy.
	KubeadmCertFrontProxyClient = KubeadmCert{
		Name:     "front-proxy-client",
		BaseName: kubeadmconstants.FrontProxyClientCertAndKeyBaseName,
		LongName: "client for the front proxy",
		CAName:   "front-proxy-ca",
		// contains filtered or unexported fields
	}

	// KubeadmCertEtcdCA is the definition of the root CA used by the hosted etcd server.
	KubeadmCertEtcdCA = KubeadmCert{
		Name:     "etcd-ca",
		LongName: "self-signed CA to provision identities for etcd",
		BaseName: kubeadmconstants.EtcdCACertAndKeyBaseName,
		// contains filtered or unexported fields
	}
	// KubeadmCertEtcdServer is the definition of the cert used to serve etcd to clients.
	KubeadmCertEtcdServer = KubeadmCert{
		Name:     "etcd-server",
		LongName: "certificate for serving etcd",
		BaseName: kubeadmconstants.EtcdServerCertAndKeyBaseName,
		CAName:   "etcd-ca",
		// contains filtered or unexported fields
	}
	// KubeadmCertEtcdPeer is the definition of the cert used by etcd peers to access each other.
	KubeadmCertEtcdPeer = KubeadmCert{
		Name:     "etcd-peer",
		LongName: "credentials for etcd nodes to communicate with each other",
		BaseName: kubeadmconstants.EtcdPeerCertAndKeyBaseName,
		CAName:   "etcd-ca",
		// contains filtered or unexported fields
	}
	// KubeadmCertEtcdHealthcheck is the definition of the cert used by Kubernetes to check the health of the etcd server.
	KubeadmCertEtcdHealthcheck = KubeadmCert{
		Name:     "etcd-healthcheck-client",
		LongName: "client certificate for liveness probes to healtcheck etcd",
		BaseName: kubeadmconstants.EtcdHealthcheckClientCertAndKeyBaseName,
		CAName:   "etcd-ca",
		// contains filtered or unexported fields
	}
	// KubeadmCertEtcdAPIClient is the definition of the cert used by the API server to access etcd.
	KubeadmCertEtcdAPIClient = KubeadmCert{
		Name:     "apiserver-etcd-client",
		LongName: "client apiserver uses to access etcd",
		BaseName: kubeadmconstants.APIServerEtcdClientCertAndKeyBaseName,
		CAName:   "etcd-ca",
		// contains filtered or unexported fields
	}
)

Functions

func CreateCACertAndKeyFiles added in v1.10.0 

func CreateCACertAndKeyFiles(certSpec *KubeadmCert, cfg *kubeadmapi.InitConfiguration) error

CreateCACertAndKeyFiles generates and writes out a given certificate authority. The certSpec should be one of the variables from this package.

func CreateCertAndKeyFilesWithCA added in v1.12.0 

func CreateCertAndKeyFilesWithCA(certSpec *KubeadmCert, caCertSpec *KubeadmCert, cfg *kubeadmapi.InitConfiguration) error

CreateCertAndKeyFilesWithCA loads the given certificate authority from disk, then generates and writes out the given certificate and key. The certSpec and caCertSpec should both be one of the variables from this package.

func CreatePKIAssets 

func CreatePKIAssets(cfg *kubeadmapi.InitConfiguration) error

CreatePKIAssets will create and write to disk all PKI assets necessary to establish the control plane. If the PKI assets already exists in the target folder, they are used only if evaluated equal; otherwise an error is returned.

func CreateServiceAccountKeyAndPublicKeyFiles added in v1.8.0 

func CreateServiceAccountKeyAndPublicKeyFiles(cfg *kubeadmapi.InitConfiguration) error

CreateServiceAccountKeyAndPublicKeyFiles create a new public/private key files for signing service account users. If the sa public/private key files already exists in the target folder, they are used only if evaluated equals; otherwise an error is returned.

func LoadCertificateAuthority added in v1.12.0 

func LoadCertificateAuthority(pkiDir string, baseName string) (*x509.Certificate, *rsa.PrivateKey, error)

LoadCertificateAuthority tries to load a CA in the given directory with the given name.

func NewCACertAndKey added in v1.8.0 

func NewCACertAndKey(certSpec *certutil.Config) (*x509.Certificate, *rsa.PrivateKey, error)

NewCACertAndKey will generate a self signed CA.

func NewServiceAccountSigningKey added in v1.8.0 

func NewServiceAccountSigningKey() (*rsa.PrivateKey, error)

NewServiceAccountSigningKey generate public/private key pairs for signing service account tokens.

func SharedCertificateExists added in v1.12.0 

func SharedCertificateExists(cfg *kubeadmapi.InitConfiguration) (bool, error)

SharedCertificateExists verifies if the shared certificates - the certificates that must be equal across masters: ca.key, ca.crt, sa.key, sa.pub + etcd/ca.key, etcd/ca.crt if local/stacked etcd

func UsingExternalCA added in v1.8.0 

func UsingExternalCA(cfg *kubeadmapi.InitConfiguration) (bool, error)

UsingExternalCA determines whether the user is relying on an external CA. We currently implicitly determine this is the case when both the CA Cert and the front proxy CA Cert are present but the CA Key and front proxy CA Key are not. This allows us to, e.g., skip generating certs or not start the csr signing controller.

Types

type CertificateMap added in v1.12.0 

type CertificateMap map[string]*KubeadmCert

CertificateMap is a flat map of certificates, keyed by Name.

func (CertificateMap) CertTree added in v1.12.0 

func (m CertificateMap) CertTree() (CertificateTree, error)

CertTree returns a one-level-deep tree, mapping a CA cert to an array of certificates that should be signed by it.

type CertificateTree added in v1.12.0 

type CertificateTree map[*KubeadmCert]Certificates

CertificateTree is represents a one-level-deep tree, mapping a CA to the certs that depend on it.

func (CertificateTree) CreateTree added in v1.12.0 

func (t CertificateTree) CreateTree(ic *kubeadmapi.InitConfiguration) error

CreateTree creates the CAs, certs signed by the CAs, and writes them all to disk.

type Certificates added in v1.12.0 

type Certificates []*KubeadmCert

Certificates is a list of Certificates that Kubeadm should create.

func GetCertsWithoutEtcd added in v1.12.0 

func GetCertsWithoutEtcd() Certificates

GetCertsWithoutEtcd returns all of the certificates kubeadm needs when etcd is hosted externally.

func GetDefaultCertList added in v1.12.0 

func GetDefaultCertList() Certificates

GetDefaultCertList returns all of the certificates kubeadm requires to function.

func (Certificates) AsMap added in v1.12.0 

func (c Certificates) AsMap() CertificateMap

AsMap returns the list of certificates as a map, keyed by name.

type KubeadmCert added in v1.12.0 

type KubeadmCert struct {
	Name     string
	LongName string
	BaseName string
	CAName   string
	// contains filtered or unexported fields
}

KubeadmCert represents a certificate that Kubeadm will create to function properly.

func (*KubeadmCert) CreateAsCA added in v1.12.0 

func (k *KubeadmCert) CreateAsCA(ic *kubeadmapi.InitConfiguration) (*x509.Certificate, *rsa.PrivateKey, error)

CreateAsCA creates a certificate authority, writing the files to disk and also returning the created CA so it can be used to sign child certs.

func (*KubeadmCert) CreateFromCA added in v1.12.0 

func (k *KubeadmCert) CreateFromCA(ic *kubeadmapi.InitConfiguration, caCert *x509.Certificate, caKey *rsa.PrivateKey) error

CreateFromCA makes and writes a certificate using the given CA cert and key.

func (*KubeadmCert) GetConfig added in v1.12.0 

func (k *KubeadmCert) GetConfig(ic *kubeadmapi.InitConfiguration) (*certutil.Config, error)

GetConfig returns the definition for the given cert given the provided InitConfiguration

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