constants

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Constants

const (
	AuthorizationPolicyFile        = "abac_policy.json"
	AuthorizationWebhookConfigFile = "webhook_authz.conf"

	CACertAndKeyBaseName = "ca"
	CACertName           = "ca.crt"
	CAKeyName            = "ca.key"

	APIServerCertAndKeyBaseName = "apiserver"
	APIServerCertName           = "apiserver.crt"
	APIServerKeyName            = "apiserver.key"

	APIServerKubeletClientCertAndKeyBaseName = "apiserver-kubelet-client"
	APIServerKubeletClientCertName           = "apiserver-kubelet-client.crt"
	APIServerKubeletClientKeyName            = "apiserver-kubelet-client.key"

	ServiceAccountKeyBaseName    = "sa"
	ServiceAccountPublicKeyName  = "sa.pub"
	ServiceAccountPrivateKeyName = "sa.key"

	FrontProxyCACertAndKeyBaseName = "front-proxy-ca"
	FrontProxyCACertName           = "front-proxy-ca.crt"
	FrontProxyCAKeyName            = "front-proxy-ca.key"

	FrontProxyClientCertAndKeyBaseName = "front-proxy-client"
	FrontProxyClientCertName           = "front-proxy-client.crt"
	FrontProxyClientKeyName            = "front-proxy-client.key"

	AdminKubeConfigFileName   = "admin.conf"
	KubeletKubeConfigFileName = "kubelet.conf"

	// TODO: These constants should actually come from pkg/kubeapiserver/authorizer, but we can't vendor that package in now
	// because of all the other sub-packages that would get vendored. To fix this, a pkg/kubeapiserver/authorizer/modes package
	// or similar should exist that only has these constants; then we can vendor it.
	AuthzModeAlwaysAllow = "AlwaysAllow"
	AuthzModeABAC        = "ABAC"
	AuthzModeRBAC        = "RBAC"
	AuthzModeWebhook     = "Webhook"

	// Important: a "v"-prefix shouldn't exist here; semver doesn't allow that
	MinimumControlPlaneVersion = "1.6.0-alpha.2"

	// Constants for what we name our ServiceAccounts with limited access to the cluster in case of RBAC
	KubeDNSServiceAccountName   = "kube-dns"
	KubeProxyServiceAccountName = "kube-proxy"

	// APICallRetryInterval defines how long kubeadm should wait before retrying a failed API operation
	APICallRetryInterval = 500 * time.Millisecond

	// Minimum amount of nodes the Service subnet should allow.
	// We need at least ten, because the DNS service is always at the tenth cluster clusterIP
	MinimumAddressesInServiceSubnet = 10

	// DefaultTokenDuration specifies the default amount of time that a bootstrap token will be valid
	DefaultTokenDuration = time.Duration(8) * time.Hour

	// CSVTokenBootstrapUser is currently the user the bootstrap token in the .csv file
	// TODO: This should change to something more official and supported
	// TODO: Prefix with kubeadm prefix
	CSVTokenBootstrapUser = "kubeadm-node-csr"
	// CSVTokenBootstrapGroup specifies the group the tokens in the .csv file will belong to
	CSVTokenBootstrapGroup = "kubeadm:kubelet-bootstrap"
	// The file name of the tokens file that can be used for bootstrapping
	CSVTokenFileName = "tokens.csv"
)