v1alpha1

type ClassSpec struct {
	// API group to which it belongs
	APIGroup string `json:"apiGroup,omitempty"`

	// Kind for machine class
	Kind string `json:"kind,omitempty"`

	// Name of machine class
	Name string `json:"name,omitempty"`
}

type ConditionStatus string

type CurrentStatus struct {
	Phase MachinePhase `json:"phase,omitempty"`

	TimeoutActive bool `json:"timeoutActive,omitempty"`

	// Last update time of current status
	LastUpdateTime metav1.Time `json:"lastUpdateTime,omitempty"`

	// PreserveExpiryTime is the time at which MCM will stop preserving the machine
	PreserveExpiryTime *metav1.Time `json:"preserveExpiryTime,omitempty"`
}

type InPlaceUpdateMachineDeployment struct {
	UpdateConfiguration `json:",inline"`

	// OrchestrationType specifies the orchestration type for the inplace update.
	OrchestrationType OrchestrationType `json:"orchestrationType,omitempty"`
}

type LastOperation struct {
	// Description of the current operation
	Description string `json:"description,omitempty"`

	// ErrorCode of the current operation if any
	// +optional
	ErrorCode string `json:"errorCode,omitempty"`

	// Last update time of current operation
	LastUpdateTime metav1.Time `json:"lastUpdateTime,omitempty"`

	// State of operation
	State MachineState `json:"state,omitempty"`

	// Type of operation
	Type MachineOperationType `json:"type,omitempty"`
}

type Machine struct {
	// ObjectMeta for machine object
	metav1.ObjectMeta `json:"metadata,omitempty"`

	// TypeMeta for machine object
	metav1.TypeMeta `json:",inline"`

	// Spec contains the specification of the machine
	Spec MachineSpec `json:"spec,omitempty"`

	// Status contains fields depicting the status
	Status MachineStatus `json:"status,omitempty"`
}

type MachineClass struct {
	metav1.TypeMeta `json:",inline"`

	// +optional
	metav1.ObjectMeta `json:"metadata,omitempty"`

	// +optional
	// +kubebuilder:validation:XPreserveUnknownFields
	// NodeTemplate contains subfields to track all node resources and other node info required to scale nodegroup from zero
	NodeTemplate *NodeTemplate `json:"nodeTemplate,omitempty"`

	// CredentialsSecretRef can optionally store the credentials (in this case the SecretRef does not need to store them).
	// This might be useful if multiple machine classes with the same credentials but different user-datas are used.
	CredentialsSecretRef *corev1.SecretReference `json:"credentialsSecretRef,omitempty"`

	// +kubebuilder:validation:XPreserveUnknownFields
	// Provider-specific configuration to use during node creation.
	ProviderSpec runtime.RawExtension `json:"providerSpec"`

	// Provider is the combination of name and location of cloud-specific drivers.
	Provider string `json:"provider,omitempty"`

	// SecretRef stores the necessary secrets such as credentials or userdata.
	SecretRef *corev1.SecretReference `json:"secretRef,omitempty"`
}

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

type MachineConfiguration struct {
	// MachineDraintimeout is the timeout after which machine is forcefully deleted.
	// +optional
	MachineDrainTimeout *metav1.Duration `json:"drainTimeout,omitempty"`

	// MachineHealthTimeout is the timeout after which machine is declared unhealhty/failed.
	// +optional
	MachineHealthTimeout *metav1.Duration `json:"healthTimeout,omitempty"`

	// MachineCreationTimeout is the timeout after which machinie creation is declared failed.
	// +optional
	MachineCreationTimeout *metav1.Duration `json:"creationTimeout,omitempty"`

	// MachineInPlaceUpdateTimeout is the timeout after which in-place update is declared failed.
	// +optional
	MachineInPlaceUpdateTimeout *metav1.Duration `json:"inPlaceUpdateTimeout,omitempty"`

	// MachinePreserveTimeout is the timeout after which the machine preservation is stopped
	// +optional
	MachinePreserveTimeout *metav1.Duration `json:"machinePreserveTimeout,omitempty"`

	// DisableHealthTimeout if set to true, health timeout will be ignored. Leading to machine never being declared failed.
	// This is intended to be used only for in-place updates.
	// +optional
	DisableHealthTimeout *bool `json:"disableHealthTimeout,omitempty"`

	// MaxEvictRetries is the number of retries that will be attempted while draining the node.
	// +optional
	MaxEvictRetries *int32 `json:"maxEvictRetries,omitempty"`

	// NodeConditions are the set of conditions if set to true for MachineHealthTimeOut, machine will be declared failed.
	// +optional
	NodeConditions *string `json:"nodeConditions,omitempty"`
}

type MachineDeployment struct {
	metav1.TypeMeta `json:",inline"`
	// Standard object metadata.
	// +optional
	metav1.ObjectMeta `json:"metadata,omitempty"`

	// Specification of the desired behavior of the MachineDeployment.
	// +optional
	Spec MachineDeploymentSpec `json:"spec,omitempty"`

	// Most recently observed status of the MachineDeployment.
	// +optional
	Status MachineDeploymentStatus `json:"status,omitempty"`
}

type MachineDeploymentCondition struct {
	// Type of MachineDeployment condition.
	Type MachineDeploymentConditionType `json:"type"`

	// Status of the condition, one of True, False, Unknown.
	Status ConditionStatus `json:"status"`

	// The last time this condition was updated.
	LastUpdateTime metav1.Time `json:"lastUpdateTime,omitempty"`

	// Last time the condition transitioned from one status to another.
	LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"`

	// The reason for the condition's last transition.
	Reason string `json:"reason,omitempty"`

	// A human readable message indicating details about the transition.
	Message string `json:"message,omitempty"`
}

type MachineDeploymentConditionType string

type MachineDeploymentList struct {
	metav1.TypeMeta `json:",inline"`
	// Standard list metadata.
	// +optional
	metav1.ListMeta `json:"metadata,omitempty"`

	// Items is the list of MachineDeployments.
	Items []MachineDeployment `json:"items"`
}

type MachineDeploymentSpec struct {
	// Number of desired machines. This is a pointer to distinguish between explicit
	// zero and not specified. Defaults to 0.
	// +optional
	Replicas int32 `json:"replicas,omitempty"`

	// Label selector for machines. Existing MachineSets whose machines are
	// selected by this will be the ones affected by this MachineDeployment.
	// +optional
	Selector *metav1.LabelSelector `json:"selector,omitempty"`

	// Template describes the machines that will be created.
	Template MachineTemplateSpec `json:"template"`

	// The MachineDeployment strategy to use to replace existing machines with new ones.
	// +optional
	// +patchStrategy=retainKeys
	Strategy MachineDeploymentStrategy `json:"strategy,omitempty" patchStrategy:"retainKeys"`

	// Minimum number of seconds for which a newly created machine should be ready
	// without any of its container crashing, for it to be considered available.
	// Defaults to 0 (machine will be considered available as soon as it is ready)
	// +optional
	MinReadySeconds int32 `json:"minReadySeconds,omitempty"`

	// The number of old MachineSets to retain to allow rollback.
	// This is a pointer to distinguish between explicit zero and not specified.
	// +optional
	RevisionHistoryLimit *int32 `json:"revisionHistoryLimit,omitempty"`

	// Indicates that the MachineDeployment is paused and will not be processed by the
	// MachineDeployment controller.
	// +optional
	Paused bool `json:"paused,omitempty"`

	// DEPRECATED.
	// The config this MachineDeployment is rolling back to. Will be cleared after rollback is done.
	// +optional
	RollbackTo *RollbackConfig `json:"rollbackTo,omitempty"`

	// The maximum time in seconds for a MachineDeployment to make progress before it
	// is considered to be failed. The MachineDeployment controller will continue to
	// process failed MachineDeployments and a condition with a ProgressDeadlineExceeded
	// reason will be surfaced in the MachineDeployment status. Note that progress will
	// not be estimated during the time a MachineDeployment is paused. This is not set
	// by default, which is treated as infinite deadline.
	// +optional
	ProgressDeadlineSeconds *int32 `json:"progressDeadlineSeconds,omitempty"`

	// The maximum number of failed machines in the machine deployment that can be auto-preserved.
	// In the gardener context, this number is derived from the AutoPreserveFailedMachineMax set at the worker level, distributed amongst the worker's machine deployments
	// +optional
	AutoPreserveFailedMachineMax int32 `json:"autoPreserveFailedMachineMax,omitempty"`
}

type MachineDeploymentStatus struct {
	// The generation observed by the MachineDeployment controller.
	// +optional
	ObservedGeneration int64 `json:"observedGeneration,omitempty"`

	// Total number of non-terminated machines targeted by this MachineDeployment (their labels match the selector).
	// +optional
	Replicas int32 `json:"replicas,omitempty"`

	// Total number of non-terminated machines targeted by this MachineDeployment that have the desired template spec.
	// +optional
	UpdatedReplicas int32 `json:"updatedReplicas,omitempty"`

	// Total number of ready machines targeted by this MachineDeployment.
	// +optional
	ReadyReplicas int32 `json:"readyReplicas,omitempty"`

	// Total number of available machines (ready for at least minReadySeconds) targeted by this MachineDeployment.
	// +optional
	AvailableReplicas int32 `json:"availableReplicas,omitempty"`

	// PreservedFailedReplicas is the number of preserved machines in Failed phase targeted by this MachineDeployment
	// +optional
	PreservedFailedReplicas int32 `json:"preservedFailedReplicas,omitempty"`

	// Total number of unavailable machines targeted by this MachineDeployment. This is the total number of
	// machines that are still required for the MachineDeployment to have 100% available capacity. They may
	// either be machines that are running but not yet available, machines that still have not been created, or
	// machines that are preserved in Failed phase.
	// +optional
	UnavailableReplicas int32 `json:"unavailableReplicas,omitempty"`

	// Represents the latest available observations of a MachineDeployment's current state.
	// +patchMergeKey=type
	// +patchStrategy=merge
	Conditions []MachineDeploymentCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type"`

	// Count of hash collisions for the MachineDeployment. The MachineDeployment controller uses this
	// field as a collision avoidance mechanism when it needs to create the name for the
	// newest MachineSet.
	// +optional
	CollisionCount *int32 `json:"collisionCount,omitempty"`

	// FailedMachines has summary of machines on which lastOperation Failed
	// +optional
	FailedMachines []*MachineSummary `json:"failedMachines,omitempty"`
}

type MachineDeploymentStrategy struct {
	// Type of MachineDeployment. Can be "Recreate" or "RollingUpdate". Default is RollingUpdate.
	// +optional
	Type MachineDeploymentStrategyType `json:"type,omitempty"`

	// Rolling update config params. Present only if MachineDeploymentStrategyType =
	// RollingUpdate.
	//---
	// TODO: Update this to follow our convention for oneOf, whatever we decide it
	// to be.
	// +optional
	RollingUpdate *RollingUpdateMachineDeployment `json:"rollingUpdate,omitempty"`

	// InPlaceUpdate update config params. Present only if MachineDeploymentStrategyType =
	// InPlaceUpdate.
	// +optional
	InPlaceUpdate *InPlaceUpdateMachineDeployment `json:"inPlaceUpdate,omitempty"`
}

type MachineDeploymentStrategyType string

type MachineList struct {
	// ObjectMeta for MachineList object
	metav1.TypeMeta `json:",inline"`

	// TypeMeta for MachineList object
	metav1.ListMeta `json:"metadata,omitempty"`

	// Items contains the list of machines
	Items []Machine `json:"items"`
}

type MachineOperationType string

type MachinePhase string

type MachineSet struct {
	// +optional
	metav1.ObjectMeta `json:"metadata,omitempty"`

	// +optional
	metav1.TypeMeta `json:",inline"`

	// +optional
	Spec MachineSetSpec `json:"spec,omitempty"`

	// +optional
	Status MachineSetStatus `json:"status,omitempty"`
}

type MachineSetCondition struct {
	// Type of machine set condition.
	Type MachineSetConditionType `json:"type"`

	// Status of the condition, one of True, False, Unknown.
	Status ConditionStatus `json:"status"`

	// The last time the condition transitioned from one status to another.
	// +optional
	LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"`

	// The reason for the condition's last transition.
	// +optional
	Reason string `json:"reason,omitempty"`

	// A human readable message indicating details about the transition.
	// +optional
	Message string `json:"message,omitempty"`
}

type MachineSetConditionType string

type MachineSetList struct {
	// +optional
	metav1.TypeMeta `json:",inline"`

	// +optional
	metav1.ListMeta `json:"metadata,omitempty"`

	// +optional
	Items []MachineSet `json:"items"`
}

type MachineSetSpec struct {
	// +optional
	Replicas int32 `json:"replicas,omitempty"`

	// +optional
	Selector *metav1.LabelSelector `json:"selector,omitempty"`

	// +optional
	MachineClass ClassSpec `json:"machineClass,omitempty"`

	// +optional
	Template MachineTemplateSpec `json:"template,omitempty"`

	// +optional
	MinReadySeconds int32 `json:"minReadySeconds,omitempty"`

	// +optional
	AutoPreserveFailedMachineMax int32 `json:"autoPreserveFailedMachineMax,omitempty"`
}

type MachineSetStatus struct {
	// Replicas is the number of actual replicas.
	Replicas int32 `json:"replicas,omitempty"`

	// The number of pods that have labels matching the labels of the pod template of the replicaset.
	// +optional
	FullyLabeledReplicas int32 `json:"fullyLabeledReplicas,omitempty"`

	// The number of ready replicas for this replica set.
	// +optional
	ReadyReplicas int32 `json:"readyReplicas,omitempty"`

	// The number of available replicas (ready for at least minReadySeconds) for this replica set.
	// +optional
	AvailableReplicas int32 `json:"availableReplicas,omitempty"`

	// PreservedFailedReplicas is the number of preserved replicas in Failed phase for this replica set
	PreservedFailedReplicas int32 `json:"preservedFailedReplicas,omitempty"`

	// ObservedGeneration is the most recent generation observed by the controller.
	// +optional
	ObservedGeneration int64 `json:"observedGeneration,omitempty"`

	// Represents the latest available observations of a replica set's current state.
	// +optional
	Conditions []MachineSetCondition `json:"machineSetCondition,omitempty"`

	// LastOperation performed
	LastOperation LastOperation `json:"lastOperation,omitempty"`

	// FailedMachines has summary of machines on which lastOperation Failed
	// +optional
	FailedMachines *[]MachineSummary `json:"failedMachines,omitempty"`

	// AutoPreserveFailedMachineCount has a count of the number of failed machines in the machineset that are currently auto-preserved
	// +optional
	AutoPreserveFailedMachineCount int32 `json:"autoPreserveFailedMachineCount,omitempty"`
}

type MachineSpec struct {

	// Class contains the machineclass attributes of a machine
	// +optional
	Class ClassSpec `json:"class,omitempty"`

	// ProviderID represents the provider's unique ID given to a machine
	// +optional
	ProviderID string `json:"providerID,omitempty"`

	// NodeTemplateSpec describes the data a node should have when created from a template
	// +optional
	NodeTemplateSpec NodeTemplateSpec `json:"nodeTemplate,omitempty"`

	// Configuration for the machine-controller.
	// +optional
	*MachineConfiguration `json:",inline"`
}

type MachineState string

type MachineStatus struct {
	// Addresses of this machines. This field is only present if the MCM provider runs without a target cluster and may
	// be used by clients to determine how to connect to the machine, instead of the `Node.status.addresses` field.
	// +optional
	Addresses []corev1.NodeAddress `json:"addresses,omitempty"`

	// Conditions of this machine, same as node
	Conditions []corev1.NodeCondition `json:"conditions,omitempty"`

	// Last operation refers to the status of the last operation performed
	LastOperation LastOperation `json:"lastOperation,omitempty"`

	// Current status of the machine object
	CurrentStatus CurrentStatus `json:"currentStatus,omitempty"`

	// LastKnownState can store details of the last known state of the VM by the plugins.
	// It can be used by future operation calls to determine current infrastucture state
	// +optional
	LastKnownState string `json:"lastKnownState,omitempty"`
}

type MachineSummary struct {
	// Name of the machine object
	Name string `json:"name,omitempty"`

	// ProviderID represents the provider's unique ID given to a machine
	ProviderID string `json:"providerID,omitempty"`

	// Last operation refers to the status of the last operation performed
	LastOperation LastOperation `json:"lastOperation,omitempty"`

	// OwnerRef
	OwnerRef string `json:"ownerRef,omitempty"`
}

type MachineTemplateSpec struct {
	// +kubebuilder:validation:XPreserveUnknownFields
	// Standard object's metadata.
	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
	// +optional
	metav1.ObjectMeta `json:"metadata,omitempty"`

	// Specification of the desired behavior of the machine.
	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
	// +optional
	Spec MachineSpec `json:"spec,omitempty"`
}

type NodeTemplate struct {

	// Capacity contains subfields to track all node resources required to scale nodegroup from zero
	Capacity corev1.ResourceList `json:"capacity"`

	// VirtualCapacity represents the expected Node 'virtual' capacity ie comprising virtual extended resources.
	// +optional
	VirtualCapacity corev1.ResourceList `json:"virtualCapacity,omitempty"`

	// Instance type of the node belonging to nodeGroup
	InstanceType string `json:"instanceType"`

	// Region of the expected node belonging to nodeGroup
	Region string `json:"region"`

	// Zone of the expected node belonging to nodeGroup
	Zone string `json:"zone"`

	// +optional
	// CPU Architecture of the node belonging to nodeGroup
	Architecture *string `json:"architecture,omitempty"`
}

type NodeTemplateSpec struct {
	// +kubebuilder:validation:XPreserveUnknownFields
	// +optional
	metav1.ObjectMeta `json:"metadata,omitempty"`

	// NodeSpec describes the attributes that a node is created with.
	// +optional
	Spec corev1.NodeSpec `json:"spec,omitempty"`
}

type OrchestrationType string

type RollbackConfig struct {
	// The revision to rollback to. If set to 0, rollback to the last revision.
	// +optional
	Revision int64 `json:"revision,omitempty"`
}

type RollingUpdateMachineDeployment struct {
	UpdateConfiguration `json:",inline"`
}

type UpdateConfiguration struct {
	// The maximum number of machines that can be unavailable during the update.
	// Value can be an absolute number (ex: 5) or a percentage of desired machines (ex: 10%).
	// Absolute number is calculated from percentage by rounding down.
	// This can not be 0 if MaxSurge is 0.
	// Example: when this is set to 30%, the old machine set can be scaled down to 70% of desired machines
	// immediately when the update starts. Once new machines are ready, old machine set
	// can be scaled down further, followed by scaling up the new machine set, ensuring
	// that the total number of machines available at all times during the update is at
	// least 70% of desired machines.
	// +optional
	MaxUnavailable *intstr.IntOrString `json:"maxUnavailable,omitempty"`

	// The maximum number of machines that can be scheduled above the desired number of
	// machines.
	// Value can be an absolute number (ex: 5) or a percentage of desired machines (ex: 10%).
	// This can not be 0 if MaxUnavailable is 0.
	// Absolute number is calculated from percentage by rounding up.
	// Example: when this is set to 30%, the new machine set can be scaled up immediately when
	// the update starts, such that the total number of old and new machines does not exceed
	// 130% of desired machines. Once old machines have been killed,
	// new machine set can be scaled up further, ensuring that total number of machines running
	// at any time during the update is utmost 130% of desired machines.
	// +optional
	MaxSurge *intstr.IntOrString `json:"maxSurge,omitempty"`
}