api

package
Version: v0.0.0-...-d88c8b5 Latest Latest
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Published: Feb 9, 2021 License: Apache-2.0 Imports: 1 Imported by: 0

Documentation

Overview

Package api (k8s.io/cluster-bootstrap/token/api) contains constants and types needed for bootstrap tokens as maintained by the BootstrapSigner and TokenCleaner controllers (in k8s.io/kubernetes/pkg/controller/bootstrap)

Index

Constants

View Source
const (
	// BootstrapTokenSecretPrefix is the prefix for bootstrap token names.
	// Bootstrap tokens secrets must be named in the form
	// `bootstrap-token-<token-id>`.  This is the prefix to be used before the
	// token ID.
	BootstrapTokenSecretPrefix = "bootstrap-token-"

	// SecretTypeBootstrapToken is used during the automated bootstrap process (first
	// implemented by kubeadm). It stores tokens that are used to sign well known
	// ConfigMaps. They may also eventually be used for authentication.
	SecretTypeBootstrapToken v1.SecretType = "bootstrap.kubernetes.io/token"

	// BootstrapTokenIDKey is the id of this token. This can be transmitted in the
	// clear and encoded in the name of the secret. It must be a random 6 character
	// string that matches the regexp `^([a-z0-9]{6})$`. Required.
	BootstrapTokenIDKey = "token-id"

	// BootstrapTokenSecretKey is the actual secret. It must be a random 16 character
	// string that matches the regexp `^([a-z0-9]{16})$`. Required.
	BootstrapTokenSecretKey = "token-secret"

	// BootstrapTokenExpirationKey is when this token should be expired and no
	// longer used. A controller will delete this resource after this time. This
	// is an absolute UTC time using RFC3339. If this cannot be parsed, the token
	// should be considered invalid. Optional.
	BootstrapTokenExpirationKey = "expiration"

	// BootstrapTokenDescriptionKey is a description in human-readable format that
	// describes what the bootstrap token is used for. Optional.
	BootstrapTokenDescriptionKey = "description"

	// BootstrapTokenExtraGroupsKey is a comma-separated list of group names.
	// The  bootstrap token will authenticate as these groups in addition to the
	// "system:bootstrappers" group.
	BootstrapTokenExtraGroupsKey = "auth-extra-groups"

	// BootstrapTokenUsagePrefix is the prefix for the other usage constants that specifies different
	// functions of a bootstrap token
	BootstrapTokenUsagePrefix = "usage-bootstrap-"

	// BootstrapTokenUsageSigningKey signals that this token should be used to
	// sign configs as part of the bootstrap process. Value must be "true". Any
	// other value is assumed to be false. Optional.
	BootstrapTokenUsageSigningKey = "usage-bootstrap-signing"

	// BootstrapTokenUsageAuthentication signals that this token should be used
	// as a bearer token to authenticate against the Kubernetes API. The bearer
	// token takes the form "<token-id>.<token-secret>" and authenticates as the
	// user "system:bootstrap:<token-id>" in the "system:bootstrappers" group
	// as well as any groups specified using BootstrapTokenExtraGroupsKey.
	// Value must be "true". Any other value is assumed to be false. Optional.
	BootstrapTokenUsageAuthentication = "usage-bootstrap-authentication"

	// ConfigMapClusterInfo defines the name for the ConfigMap where the information how to connect and trust the cluster exist
	ConfigMapClusterInfo = "cluster-info"

	// KubeConfigKey defines at which key in the Data object of the ConfigMap the KubeConfig object is stored
	KubeConfigKey = "kubeconfig"

	// JWSSignatureKeyPrefix defines what key prefix the JWS-signed tokens have
	JWSSignatureKeyPrefix = "jws-kubeconfig-"

	// BootstrapUserPrefix is the username prefix bootstrapping bearer tokens
	// authenticate as. The full username given is "system:bootstrap:<token-id>".
	BootstrapUserPrefix = "system:bootstrap:"

	// BootstrapDefaultGroup is the default group for bootstrapping bearer
	// tokens (in addition to any groups from BootstrapTokenExtraGroupsKey).
	BootstrapDefaultGroup = "system:bootstrappers"

	// BootstrapGroupPattern is the valid regex pattern that all groups
	// assigned to a bootstrap token by BootstrapTokenExtraGroupsKey must match.
	// See also util.ValidateBootstrapGroupName()
	BootstrapGroupPattern = `\Asystem:bootstrappers:[a-z0-9:-]{0,255}[a-z0-9]\z`

	// BootstrapTokenPattern defines the {id}.{secret} regular expression pattern
	BootstrapTokenPattern = `\A([a-z0-9]{6})\.([a-z0-9]{16})\z`

	// BootstrapTokenIDPattern defines token's id regular expression pattern
	BootstrapTokenIDPattern = `\A([a-z0-9]{6})\z`

	// BootstrapTokenIDBytes defines the number of bytes used for the Bootstrap Token's ID field
	BootstrapTokenIDBytes = 6

	// BootstrapTokenSecretBytes defines the number of bytes used the Bootstrap Token's Secret field
	BootstrapTokenSecretBytes = 16
)

Variables

View Source
var KnownTokenUsages = []string{"signing", "authentication"}

KnownTokenUsages specifies the known functions a token will get.

Functions

This section is empty.

Types

This section is empty.

Source Files

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