v1alpha1

type ClusterCondition struct {
	// Type of cluster condition.
	Type ClusterConditionType `json:"type"`
	// Status of the condition, one of True, False, Unknown.
	Status v1.ConditionStatus `json:"status"`
	// The last time this condition was updated.
	LastUpdateTime string `json:"lastUpdateTime,omitempty"`
	// Last time the condition transitioned from one status to another.
	LastTransitionTime string `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 ClusterConditionType string

type ClusterPhase string

type ClusterSpec struct {
	// Size is the expected size of the galera cluster.
	// The rss-operator will eventually make the size of the running
	// cluster equal to the expected size.
	Replicas          *int32  `json:"replicas"`
	Primaries         *int32  `json:"primaries,omitempty"`
	ReconcileInterval *string `json:"reconcileInterval,omitempty"`

	// An optional list of references to secrets in the same namespace
	// to use for pulling prometheus and alertmanager images from registries
	// see http://kubernetes.io/docs/user-guide/images#specifying-imagepullsecrets-on-a-pod
	ImagePullSecrets []v1.LocalObjectReference `json:"imagePullSecrets,omitempty"`

	// Paused is to pause the control of the operator for the galera cluster.
	Paused     bool `json:"paused,omitempty"`
	ChaosLevel *int `json:"chaosLevel"`

	// Pod defines the policy to create pod for the galera pod.
	//
	// Updating Pod does not take effect on any existing galera pods.
	Pod          PodPolicy        `json:"pod"`
	ServicePorts []v1.ServicePort `json:"servicePorts,omitempty"`

	// galera cluster TLS configuration
	TLS *TLSPolicy `json:"TLS,omitempty"`

	// A selector to select which ConfigMaps to mount for loading rule files from.
	RuleSelector *metav1.LabelSelector `json:"ruleSelector,omitempty"`

	// Define resources requests and limits for single Pods.
	Resources v1.ResourceRequirements `json:"resources,omitempty"`

	// Define which Nodes the Pods are scheduled on.
	NodeSelector map[string]string `json:"nodeSelector,omitempty"`

	// ServiceAccountName is the name of the ServiceAccount to use to run the
	// application Pods.
	ServiceAccountName string `json:"serviceAccountName,omitempty"`

	// Secrets is a list of Secrets in the same namespace as the Prometheus
	// object, which shall be mounted into the Prometheus Pods.
	// The Secrets are mounted into /etc/prometheus/secrets/<secret-name>.
	// Secrets changes after initial creation of a Prometheus object are not
	// reflected in the running Pods. To change the secrets mounted into the
	// Prometheus Pods, the object must be deleted and recreated with the new list
	// of secrets.
	Secrets []string `json:"secrets,omitempty"`

	// If specified, the pod's scheduling constraints.
	Affinity *v1.Affinity `json:"affinity,omitempty"`

	// If specified, the pod's tolerations.
	Tolerations []v1.Toleration `json:"tolerations,omitempty"`
}

type ClusterStatus struct {
	// Phase is the cluster running phase
	Phase  ClusterPhase `json:"phase"`
	Reason string       `json:"reason,omitempty"`

	// ControlPuased indicates the operator pauses the control of the cluster.
	ControlPaused bool `json:"controlPaused,omitempty"`

	// Condition keeps track of all cluster conditions, if they exist.
	Conditions []ClusterCondition `json:"conditions,omitempty"`

	// Size is the current size of the cluster
	Replicas        int `json:"replicas"`
	RestoreReplicas int `json:"restoreReplicas"`

	// ServiceName is the LB service for accessing galera nodes.
	ServiceName string `json:"serviceName,omitempty"`

	// ClientPort is the port for galera client to access.
	// It's the same on client LB service and galera nodes.
	ClientPort int `json:"clientPort,omitempty"`

	// Members are the galera members in the cluster
	Members MembersStatus `json:"members"`
	// CurrentVersion is the current cluster version
	CurrentVersion string `json:"currentVersion"`
	// TargetVersion is the version the cluster upgrading to.
	// If the cluster is not upgrading, TargetVersion is empty.
	TargetVersion string `json:"targetVersion"`
}

type MemberSecret struct {
	// PeerSecret is the secret containing TLS certs used by each galera member pod
	// for the communication between galera peers.
	PeerSecret string `json:"peerSecret,omitempty"`
	// ServerSecret is the secret containing TLS certs used by each galera member pod
	// for the communication between galera server and its clients.
	ServerSecret string `json:"serverSecret,omitempty"`
}

type MembersStatus struct {
	// Ready are the galera members that are ready to serve requests
	// The member names are the same as the galera pod names
	Ready []string `json:"ready,omitempty"`
	// Unready are the galera members not ready to serve requests
	Unready   []string `json:"unready,omitempty"`
	Primary   []string `json:"primary,omitempty"`
	Secondary []string `json:"secondary,omitempty"`
	Failed    []string `json:"failed,omitempty"`
}

type PodPolicy struct {
	// NodeSelector specifies a map of key-value pairs. For the pod to be eligible
	// to run on a node, the node must have each of the indicated key-value pairs as
	// labels.
	NodeSelector map[string]string `json:"nodeSelector,omitempty"`

	// AntiAffinity determines if the rss-operator tries to avoid putting
	// the galera members in the same cluster onto the same node.
	AntiAffinity bool `json:"antiAffinity"`

	// By default, kubernetes will mount a service account token into the galera pods.
	// AutomountServiceAccountToken indicates whether pods running with the service account should have an API token automatically mounted.
	AutomountServiceAccountToken *bool `json:"automountServiceAccountToken,omitempty"`

	Containers           []v1.Container             `json:"containers"`
	Volumes              []v1.Volume                `json:"volumes,omitempty"`
	VolumeClaimTemplates []v1.PersistentVolumeClaim `json:"volumeClaimTemplates,omitempty"`

	Commands map[string]ReplicationCommand `json:"commands"`

	SecurityContext *v1.PodSecurityContext `json:"securityContext"`
}

type ReplicatedStatefulSet struct {
	metav1.TypeMeta   `json:",inline"`
	metav1.ObjectMeta `json:"metadata,omitempty"`
	Spec              ClusterSpec   `json:"spec"`
	Status            ClusterStatus `json:"status"`
}

type ReplicatedStatefulSetList struct {
	metav1.TypeMeta `json:",inline"`
	// Standard list metadata
	// More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#metadata
	metav1.ListMeta `json:"metadata,omitempty"`
	Items           []ReplicatedStatefulSet `json:"items"`
}

type ReplicationCommand struct {
	Timeout *string  `json:"timeout,omitempty"`
	Command []string `json:"command"`
}

type StaticTLS struct {
	// Member contains secrets containing TLS certs used by each galera member pod.
	Member *MemberSecret `json:"member,omitempty"`
	// OperatorSecret is the secret containing TLS certs used by operator to
	// talk securely to this cluster.
	OperatorSecret string `json:"operatorSecret,omitempty"`
}

type TLSPolicy struct {
	// StaticTLS enables user to generate static x509 certificates and keys,
	// put them into Kubernetes secrets, and specify them into here.
	Static *StaticTLS `json:"static,omitempty"`
}