v1alpha1

type AgentConfig struct {
	// reclaimed resources eviction plugin options
	ReclaimedResourcesEvictionPluginConfig ReclaimedResourcesEvictionPluginConfig `json:"reclaimedResourcesEvictionPluginConfig,omitempty"`

	// MemoryEvictionPluginConfig is the config for memory eviction plugin
	MemoryEvictionPluginConfig MemoryEvictionPluginConfig `json:"memoryEvictionPluginConfig,omitempty"`
}

type ConfigConditionType string

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

	Spec   CustomNodeConfigSpec   `json:"spec,omitempty"`
	Status CustomNodeConfigStatus `json:"status,omitempty"`
}

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

type CustomNodeConfigSpec struct {
}

type CustomNodeConfigStatus struct {
	// KatalystCustomConfigList contains a list of target custom config
	KatalystCustomConfigList []TargetConfig `json:"katalystCustomConfigList,omitempty"`

	// ServiceProfileConfigList contains a list of target service Profile config
	ServiceProfileConfigList []TargetConfig `json:"serviceProfileConfigList,omitempty"`
}

type EphemeralSelector struct {
	// Specific nodes' name the configurations will be effected.
	// +optional
	NodeNames []string `json:"nodeNames,omitempty"`

	// define the duration this configuration will last from creationTimestamp.
	// must and only set when NodeNames already set
	LastDuration *metav1.Duration `json:"lastDuration,omitempty"`
}

type GenericConfigCondition struct {
	// Type of config condition
	Type ConfigConditionType `json:"type"`
	// Status of the condition, one of True, False, Unknown.
	Status v1.ConditionStatus `json:"status"`
	// Last time the condition transit from one status to another.
	// +optional
	LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"`
	// reason is the reason for the condition's last transition.
	// +optional
	Reason string `json:"reason,omitempty"`
	// message is a human-readable explanation containing details about the transition
	// +optional
	Message string `json:"message,omitempty"`
}

type GenericConfigSpec struct {
	// RevisionHistoryLimit is the maximum number of revisions that will
	// be maintained in the resource's revision history. The revision history
	// consists of all revisions not represented by a currently applied
	// Spec version. The default value is 3.
	// +kubebuilder:default:=3
	RevisionHistoryLimit int64 `json:"revisionHistoryLimit,omitempty"`

	// NodeLabelSelector select nodes to apply these configurations
	// if spec.labelKey no set, NodeLabelSelector must be empty
	// the label selector must only include KatalystAgentConfig.spec
	// .nodeLabelSelectorKey, otherwise it will not be synced
	// This field will be immutable after it is initially set.
	// +optional
	NodeLabelSelector string `json:"nodeLabelSelector,omitempty"`

	// EphemeralSelector is used to indicate the
	// +optional
	EphemeralSelector EphemeralSelector `json:"ephemeralSelector,omitempty"`
}

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

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

	// Represents the latest available observations of a config's current state.
	Conditions []GenericConfigCondition `json:"conditions,omitempty"`
}

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

	Spec   KatalystAgentConfigSpec `json:"spec,omitempty"`
	Status GenericConfigStatus     `json:"status,omitempty"`
}

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

type KatalystAgentConfigSpec struct {
	GenericConfigSpec `json:",inline"`

	// Config is custom field for agent configuration
	// all configuration crd should contain a field named with `config`
	Config AgentConfig `json:"config,omitempty"`
}

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

	Spec   KatalystCustomConfigSpec   `json:"spec,omitempty"`
	Status KatalystCustomConfigStatus `json:"status,omitempty"`
}

type KatalystCustomConfigCondition struct {
	// Type of KatalystCustomConfig condition
	Type KatalystCustomConfigConditionType `json:"type"`
	// Status of the condition, one of True, False, Unknown.
	Status v1.ConditionStatus `json:"status"`
	// Last time the condition transit from one status to another.
	// +optional
	LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"`
	// reason is the reason for the condition's last transition.
	// +optional
	Reason string `json:"reason,omitempty"`
	// message is a human-readable explanation containing details about the transition
	// +optional
	Message string `json:"message,omitempty"`
}

type KatalystCustomConfigConditionType string

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

type KatalystCustomConfigSpec struct {
	// the GVR of target config type
	TargetType metav1.GroupVersionResource `json:"targetType"`
	// whether disable revisionHistory for the KatalystCustomConfig resource
	// +kubebuilder:default:=true
	// +optional
	DisableRevisionHistory bool `json:"disableRevisionHistory,omitempty"`
	// key of node label to select which nodes will be effected by the KatalystCustomConfig resource
	// +optional
	NodeLabelSelectorKey string `json:"nodeLabelSelectorKey,omitempty"`
}

type KatalystCustomConfigStatus struct {
	// ObservedGeneration is the generation as observed by the controller consuming the KatalystCustomConfig.
	ObservedGeneration int64 `json:"observedGeneration,omitempty"`

	// InvalidTargetConfigList is a name list of invalid Config
	InvalidTargetConfigList []string `json:"invalidTargetConfigList,omitempty"`

	// Represents the latest available observations of a KatalystCustomConfig's current state.
	Conditions []KatalystCustomConfigCondition `json:"conditions,omitempty"`
}

type MemoryEvictionPluginConfig struct {
	// EnableNumaLevelDetection is whether to enable numa-level detection
	EnableNumaLevelDetection *bool `json:"enableNumaLevelDetection,omitempty"`

	// EnableSystemLevelDetection is whether to enable system-level detection
	EnableSystemLevelDetection *bool `json:"enableSystemLevelDetection,omitempty"`

	// NumaFreeBelowWatermarkTimesThreshold is the threshold for the number of times NUMA's free memory falls below the watermark
	NumaFreeBelowWatermarkTimesThreshold *int `json:"numaFreeBelowWatermarkTimesThreshold,omitempty"`

	// NumaFreeBelowWatermarkTimesThreshold is the threshold for the rate of kswapd reclaiming rate
	SystemKswapdRateThreshold *int `json:"systemKswapdRateThreshold,omitempty"`

	// SystemKswapdRateExceedCountThreshold is the threshold for the number of times the kswapd reclaiming rate exceeds the threshold
	SystemKswapdRateExceedTimesThreshold *int `json:"systemKswapdRateExceedTimesThreshold,omitempty"`

	// NumaEvictionRankingMetrics is the metrics used to rank pods for eviction at the NUMA level
	NumaEvictionRankingMetrics []string `json:"numaEvictionRankingMetrics,omitempty"`

	// SystemEvictionRankingMetrics is the metrics used to rank pods for eviction at the system level
	SystemEvictionRankingMetrics []string `json:"systemEvictionRankingMetrics,omitempty"`

	// GracePeriod is the grace period of memory eviction
	GracePeriod *int64 `json:"gracePeriod,omitempty"`
}

type ReclaimedResourcesEvictionPluginConfig struct {
	// eviction threshold rate for reclaimed resources
	EvictionThreshold map[v1.ResourceName]float64 `json:"evictionThreshold,omitempty"`
}

type TargetConfig struct {
	// ConfigType gvr of target config
	ConfigType metav1.GroupVersionResource `json:"configType"`
	// ConfigName name of target config
	ConfigName string `json:"configName"`
	// ConfigNamespace namespace of target config
	ConfigNamespace string `json:"configNamespace"`
	// Hash is current hash value of target config.
	// The agent will first check whether the local config hash and
	// the target config hash are equal, only if not, it will try to
	// update the local config from the remote.
	Hash string `json:"hash"`
}