v1alpha1

type APIServer struct {
	// ServiceRef is a reference to the kube-apiserver service on the host cluster that points to the kube-apiserver of the target cluster. If no namespace is set on the object reference, it is defaulted to Spec.Host.Namespace.
	// +optional
	ServiceRef *corev1.ObjectReference `json:"serviceRef,omitempty"`

	// Server is the address of the target kubernetes cluster (https://hostname:port). The address should be accessible from the terminal pod within the host cluster.
	// +optional
	Server string `json:"server,omitempty"`

	// CAData holds PEM-encoded bytes (typically read from a root certificates bundle).
	// +optional
	// +nullable
	CAData []byte `json:"caData"`
}

type Authorization struct {
	// RoleBindings defines the desired (temporary) rbac role bindings the "access" service account should be assigned to
	// +optional
	RoleBindings []RoleBinding `json:"roleBindings,omitempty"`

	// ProjectMemberships defines the (temporary) project memberships of the "access" service account. Each project is updated by using the target.credential, hence the target has the be the (virtual) garden cluster.
	// +optional
	ProjectMemberships []ProjectMembership `json:"projectMemberships,omitempty"`
}

type BindingKind string

type ClusterCredentials struct {
	// SecretRef is a reference to a secret that contains the cluster specific credentials
	// Either ShootRef, SecretRef or ServiceAccountRef is mandatory. ShootRef will be used if more than one ref is provided.
	// +optional
	SecretRef *corev1.SecretReference `json:"secretRef,omitempty"`

	// ServiceAccountRef is a reference to a service account that should be used, usually to manage resources on the same cluster as the service account is residing in
	// +optional
	ServiceAccountRef *corev1.ObjectReference `json:"serviceAccountRef,omitempty"`

	// ShootRef references the shoot cluster. The admin kubeconfig retrieved from the shoots/adminkubeconfig endpoint is used
	// +optional
	ShootRef *ShootRef `json:"shootRef,omitempty"`
}

type Container struct {
	// Image defines the image used for the container.
	// As this image is also used for the "setup" init container, the `/bin/cp` binary has to be part of the image
	Image string `json:"image"`
	// Entrypoint array. Not executed within a shell.
	// The docker image's ENTRYPOINT is used if this is not provided.
	// Variable references $(VAR_NAME) are expanded using the container's environment. If a variable
	// cannot be resolved, the reference in the input string will be unchanged. The $(VAR_NAME) syntax
	// can be escaped with a double $$, ie: $$(VAR_NAME). Escaped references will never be expanded,
	// regardless of whether the variable exists or not.
	// Cannot be updated.
	// More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell
	// +optional
	Command []string `json:"command,omitempty"`
	// Arguments to the entrypoint.
	// The docker image's CMD is used if this is not provided.
	// Variable references $(VAR_NAME) are expanded using the container's environment. If a variable
	// cannot be resolved, the reference in the input string will be unchanged. The $(VAR_NAME) syntax
	// can be escaped with a double $$, ie: $$(VAR_NAME). Escaped references will never be expanded,
	// regardless of whether the variable exists or not.
	// Cannot be updated.
	// More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell
	// +optional
	Args []string `json:"args,omitempty"`
	// Compute Resources required by this container.
	// Cannot be updated.
	// More info: https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
	// +optional
	Resources corev1.ResourceRequirements `json:"resources,omitempty"`
	// Run container in privileged mode.
	// Processes in privileged containers are essentially equivalent to root on the host.
	// Defaults to false.
	// +optional
	Privileged bool `json:"privileged,omitempty"`
}

type ControllerManagerConfiguration struct {
	// +optional
	Kind string `json:"kind"`
	// +optional
	APIVersion string `json:"apiVersion"`

	// Server defines the configuration of the HTTP server.
	Server ServerConfiguration `json:"server"`

	// Controllers defines the configuration of the controllers.
	Controllers ControllerManagerControllerConfiguration `json:"controllers"`
	// Webhooks defines the configuration of the admission webhooks.
	Webhooks ControllerManagerWebhookConfiguration `json:"webhooks"`
	// HonourServiceAccountRefHostCluster defines if `host.credentials.serviceAccountRef` property should be honoured.
	// It is recommended to be set to false for multi-cluster setups, in case pods are refused on the (virtual) garden cluster where the terminal resources are stored.
	// Defaults to true.
	// +optional
	HonourServiceAccountRefHostCluster *bool `json:"honourServiceAccountRefHostCluster,omitempty"`
	// HonourServiceAccountRefTargetCluster defines if `target.credentials.serviceAccountRef` property should be honoured.
	// Defaults to true.
	// +optional
	HonourServiceAccountRefTargetCluster *bool `json:"honourServiceAccountRefTargetCluster,omitempty"`
	// HonourProjectMemberships defines if `target.authorization.projectMemberships` property should be honoured.
	// It is recommended to be set to false in case no gardener API server extension is registered for the (virtual) garden cluster where the terminal resources are stored.
	// Defaults to true.
	// +optional
	HonourProjectMemberships *bool `json:"honourProjectMemberships,omitempty"`
	// HonourCleanupProjectMembership defines if `target.credential.serviceAccountRef.cleanupProjectMembership` property should be honoured.
	// It is recommended to be set to false in case no gardener API server extension is registered for the (virtual) garden cluster where the terminal resources are stored.
	// Defaults to false.
	// +optional
	HonourCleanupProjectMembership *bool `json:"honourCleanupProjectMembership,omitempty"`

	// LeaderElection defines the configuration of leader election client.
	// +optional
	LeaderElection *componentbaseconfigv1alpha1.LeaderElectionConfiguration `json:"leaderElection,omitempty"`
}

type ControllerManagerControllerConfiguration struct {
	// Terminal defines the configuration of the Terminal controller.
	Terminal TerminalControllerConfiguration `json:"terminal"`
	// TerminalHeartbeat defines the configuration of the TerminalHeartbeat controller.
	TerminalHeartbeat TerminalHeartbeatControllerConfiguration `json:"terminalHeartbeat"`
	// ServiceAccount defines the configuration of the ServiceAccount controller.
	ServiceAccount ServiceAccountControllerConfiguration `json:"serviceAccount"`
}

type ControllerManagerWebhookConfiguration struct {
	// TerminalValidation defines the configuration of the validating webhook.
	TerminalValidation TerminalValidatingWebhookConfiguration `json:"terminalValidation"`
}

type Duration struct {
	time.Duration
}

type ErrorCode string

type HostCluster struct {
	// ClusterCredentials define the credentials to the host cluster
	Credentials ClusterCredentials `json:"credentials"`

	// Namespace is the namespace where the pod resides in
	// This field should not be set if TemporaryNamespace is set to true but must be set in case TemporaryNamespace is set to false.
	// +optional
	Namespace *string `json:"namespace,omitempty"`

	// TemporaryNamespace is a flag to indicate if the namespace should be ephemeral. If true, the namespace will be created and when the terminal is deleted, the namespace is also deleted.
	// If true, the mutating webhook makes sure that a temporary namespace is set; in this case you cannot choose the namespace
	// This field should be false if Namespace is set. You cannot define the name of the temporary namespace.
	// +optional
	TemporaryNamespace *bool `json:"temporaryNamespace,omitempty"`

	Pod Pod `json:"pod"`
}

type LastError struct {
	// Description is a human-readable message indicating details about the last error.
	Description string `json:"description"`
	// Last time the error was reported
	// +optional
	LastUpdateTime metav1.Time `json:"lastUpdateTime,omitempty"`
}

type LastOperation struct {
	// A human-readable message indicating details about the last operation.
	Description string `json:"description"`
	// Last time the operation state transitioned from one to another.
	LastUpdateTime metav1.Time `json:"lastUpdateTime"`
	// Status of the last operation, one of Processing, Succeeded, Error.
	State LastOperationState `json:"state"`
	// Type of the last operation, one of Reconcile, Delete.
	Type LastOperationType `json:"type"`
}

type LastOperationState string

type LastOperationType string

type Pod struct {
	// Map of string keys and values that can be used to organize and categorize
	// (scope and select) objects. Will be set as labels of the pod
	// +optional
	Labels map[string]string `json:"labels,omitempty"`
	// Container belonging to the pod.
	// Cannot be updated.
	// +optional if ContainerImage is set
	Container *Container `json:"container,omitempty"`
	// ContainerImage defines the image used for the container.
	// ContainerImage is ignored if Container is set.
	// +optional
	// Deprecated: Use `Container.Image` instead.
	ContainerImage string `json:"containerImage,omitempty"`
	// Run container in privileged mode.
	// Privileged is ignored if Container is set.
	// Processes in privileged containers are essentially equivalent to root on the host.
	// Defaults to false.
	// +optional
	// Deprecated: Use `Container.Privileged` instead.
	Privileged bool `json:"privileged,omitempty"`
	// Host networking requested for this pod. Use the host's network namespace.
	// Default to false.
	// +optional
	HostNetwork bool `json:"hostNetwork,omitempty"`
	// Use the host's pid namespace.
	// Default to false.
	// +optional
	HostPID bool `json:"hostPID,omitempty"`
	// NodeSelector is a selector which must be true for the pod to fit on a node.
	// Selector which must match a node's labels for the pod to be scheduled on that node.
	// +optional
	NodeSelector map[string]string `json:"nodeSelector,omitempty"`
}

type ProjectMembership struct {
	// ProjectName is the name of the project, the "access" service account should be member of
	ProjectName string `json:"projectName"`

	// Roles defines the gardener roles the "access" service account should receive, e.g. admin, viewer, uam.
	Roles []string `json:"roles"`
}

type RoleBinding struct {
	// NameSuffix is the name suffix of the temporary (Cluster)RoleBinding that will be created. NameSuffix should be unique
	NameSuffix string `json:"nameSuffix"`

	// RoleRef can reference a Role in the current namespace or a ClusterRole in the global namespace.
	RoleRef rbacv1.RoleRef `json:"roleRef"`

	// BindingKind defines the desired role binding. ClusterRoleBinding will result in a ClusterRoleBinding. RoleBinding will result in a RoleBinding.
	BindingKind BindingKind `json:"bindingKind"`
}

type Server struct {
	// BindAddress is the IP address on which to listen for the specified port.
	BindAddress string `json:"bindAddress"`
	// Port is the port on which to serve requests.
	Port int `json:"port"`
}

type ServerConfiguration struct {
	// HealthProbes is the configuration for serving the healthz and readyz endpoints.
	HealthProbes *Server `json:"healthProbes"`
	// Metrics is the configuration for serving the metrics endpoint.
	Metrics *Server `json:"metrics"`
}

type ServiceAccountControllerConfiguration struct {
	// MaxConcurrentReconciles is the maximum number of concurrent Reconciles which can be run. Defaults to 1.
	MaxConcurrentReconciles int `json:"maxConcurrentReconciles"`

	// AllowedServiceAccountNames is a list of service account names that are allowed to be cleaned up as project members.
	// If the list is empty all names are considered as allowed
	AllowedServiceAccountNames []string `json:"allowedServiceAccountNames"`
}

type ShootRef struct {
	// Namespace is the namespace of the shoot cluster
	Namespace string `json:"namespace"`
	// Name is the name of the shoot cluster
	Name string `json:"name"`
}

type TargetCluster struct {
	// ClusterCredentials define the credentials to the target cluster
	Credentials ClusterCredentials `json:"credentials"`

	// CleanupProjectMembership indicates if the service account referenced by credentials.serviceAccountRef should be removed as project member if not referenced anymore by a Terminal resource.
	// If true, the credentials.serviceAccountRef.namespace must be the same as the Terminal resource.
	// +optional
	CleanupProjectMembership *bool `json:"cleanupProjectMembership,omitempty"`

	// Namespace is a reference to the namespace within the target cluster in which the resources should be placed.
	// This field should not be set if TemporaryNamespace is set to true
	// +optional
	Namespace *string `json:"namespace,omitempty"`

	// TemporaryNamespace is a flag to indicate if the namespace should be ephemeral. If true, the namespace will be created and when the terminal is deleted, the namespace is also deleted.
	// If true, the mutating webhook makes sure that a temporary namespace is set; in this case you cannot choose the namespace
	// This field should be false if Namespace is set. You cannot define the name of the temporary namespace.
	// +optional
	TemporaryNamespace *bool `json:"temporaryNamespace,omitempty"`

	// KubeconfigContextNamespace is a reference to the namespace within the host cluster that should be used as default in the kubeconfig context
	KubeconfigContextNamespace string `json:"kubeconfigContextNamespace"`

	// APIServerServiceRef is a reference to the kube-apiserver service on the host cluster that points to the kube-apiserver of the target cluster. If no namespace is set on the object reference, it is defaulted to Spec.Host.Namespace.
	// +optional
	// Deprecated: use APIServer.ServiceRef instead
	APIServerServiceRef *corev1.ObjectReference `json:"apiServerServiceRef,omitempty"`

	// APIServer references the kube-apiserver of the target cluster.
	// +optional
	APIServer *APIServer `json:"apiServer,omitempty"`

	// RoleName is the name of the ClusterRole the "access" service account is bound to.
	// +optional
	// Deprecated: use Authorization.RoleBindings[].RoleRef.NameSuffix instead
	RoleName string `json:"roleName,omitempty"`

	// BindingKind defines the desired role binding. ClusterRoleBinding will result in a ClusterRoleBinding. RoleBinding will result in a RoleBinding.
	// +optional
	// Deprecated: use Authorization.RoleBindings[].BindingKind instead
	BindingKind BindingKind `json:"bindingKind,omitempty"`

	Authorization *Authorization `json:"authorization,omitempty"`
}

type Terminal struct {
	metav1.TypeMeta   `json:",inline"`
	metav1.ObjectMeta `json:"metadata,omitempty"`

	Spec   TerminalSpec   `json:"spec,omitempty"`
	Status TerminalStatus `json:"status,omitempty"`
}

type TerminalControllerConfiguration struct {
	// MaxConcurrentReconciles is the maximum number of concurrent Reconciles which can be run. Defaults to 15.
	MaxConcurrentReconciles int `json:"maxConcurrentReconciles"`

	// MaxConcurrentReconciles is the maximum number of concurrent Reconciles which can be run per Namespace (independent of the user who created the Terminal resource). Defaults to 3.
	MaxConcurrentReconcilesPerNamespace int `json:"maxConcurrentReconcilesPerNamespace"`

	// TokenRequestExpirationSeconds is the requested duration of validity of the access token request.
	// The token issuer may return a token with a different validity duration.
	TokenRequestExpirationSeconds *int64 `json:"tokenRequestExpirationSeconds"`
}

type TerminalHeartbeatControllerConfiguration struct {
	// MaxConcurrentReconciles is the maximum number of concurrent Reconciles which can be run. Defaults to 1.
	MaxConcurrentReconciles int `json:"maxConcurrentReconciles"`

	// TimeToLive is the duration a Terminal resource can live without receiving a heartbeat with the "dashboard.gardener.cloud/operation=keepalive" annotation. Defaults to 5m.
	TimeToLive Duration `json:"timeToLive"`
}

type TerminalList struct {
	metav1.TypeMeta `json:",inline"`
	metav1.ListMeta `json:"metadata,omitempty"`
	Items           []Terminal `json:"items"`
}

type TerminalSpec struct {
	Identifier string        `json:"identifier"`
	Host       HostCluster   `json:"host"`
	Target     TargetCluster `json:"target"`
}

type TerminalStatus struct {
	// AttachServiceAccountName is the name of service account on the host cluster
	// +optional
	AttachServiceAccountName *string `json:"attachServiceAccountName,omitempty"`
	// PodName is the name of the pod on the host cluster
	// +optional
	PodName *string `json:"podName,omitempty"`
	// LastOperation indicates the type and the state of the last operation, along with a description message.
	// +optional
	LastOperation *LastOperation `json:"lastOperation,omitempty"`
	// LastError contains details about the last error that occurred.
	// +optional
	LastError *LastError `json:"lastError,omitempty"`
}

type TerminalValidatingWebhookConfiguration struct {
	// MaxObjectSize is the maximum size of a terminal resource in bytes. Defaults to 10240.
	MaxObjectSize int `json:"maxObjectSize"`
}