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types.go
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// Copyright 2018 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package v1alpha1
import (
"github.com/pingcap/tidb-operator/pkg/util/config"
apps "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
)
const (
// TiKVStateUp represents status of Up of TiKV
TiKVStateUp string = "Up"
// TiKVStateDown represents status of Down of TiKV
TiKVStateDown string = "Down"
// TiKVStateOffline represents status of Offline of TiKV
TiKVStateOffline string = "Offline"
// TiKVStateTombstone represents status of Tombstone of TiKV
TiKVStateTombstone string = "Tombstone"
// DMWorkerStateFree represents status of free of dm-worker
DMWorkerStateFree string = "free"
// DMWorkerStateBound represents status of bound of dm-worker
DMWorkerStateBound string = "bound"
// DMWorkerStateOffline represents status of offline of dm-worker
DMWorkerStateOffline string = "offline"
)
// MemberType represents member type
type MemberType string
const (
// PDMemberType is pd container type
PDMemberType MemberType = "pd"
// TiDBMemberType is tidb container type
TiDBMemberType MemberType = "tidb"
// TiKVMemberType is tikv container type
TiKVMemberType MemberType = "tikv"
// TiFlashMemberType is tiflash container type
TiFlashMemberType MemberType = "tiflash"
// TiCDCMemberType is ticdc container type
TiCDCMemberType MemberType = "ticdc"
// DMMasterMemberType is dm-master container type
DMMasterMemberType MemberType = "dm-master"
// DMWorkerMemberType is dm-worker container type
DMWorkerMemberType MemberType = "dm-worker"
// SlowLogTailerMemberType is tidb slow log tailer container type
SlowLogTailerMemberType MemberType = "slowlog"
// RocksDBLogTailerMemberType is tikv rocksdb log tailer container type
RocksDBLogTailerMemberType MemberType = "rocksdblog"
// RaftLogTailerMemberType is tikv raft log tailer container type
RaftLogTailerMemberType MemberType = "raftlog"
// TidbMonitorMemberType is tidbmonitor type
TidbMonitorMemberType MemberType = "tidbmonitor"
// UnknownMemberType is unknown container type
UnknownMemberType MemberType = "unknown"
)
// MemberPhase is the current state of member
type MemberPhase string
const (
// NormalPhase represents normal state of TiDB cluster.
NormalPhase MemberPhase = "Normal"
// UpgradePhase represents the upgrade state of TiDB cluster.
UpgradePhase MemberPhase = "Upgrade"
// ScalePhase represents the scaling state of TiDB cluster.
ScalePhase MemberPhase = "Scale"
)
// ConfigUpdateStrategy represents the strategy to update configuration
type ConfigUpdateStrategy string
const (
// ConfigUpdateStrategyInPlace update the configmap without changing the name
ConfigUpdateStrategyInPlace ConfigUpdateStrategy = "InPlace"
// ConfigUpdateStrategyRollingUpdate generate different configmap on configuration update and
// try to rolling-update the pod controller (e.g. statefulset) to apply updates.
ConfigUpdateStrategyRollingUpdate ConfigUpdateStrategy = "RollingUpdate"
)
// +genclient
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// TidbCluster is the control script's spec
// +k8s:openapi-gen=true
type TidbCluster struct {
metav1.TypeMeta `json:",inline"`
// +k8s:openapi-gen=false
metav1.ObjectMeta `json:"metadata"`
// Spec defines the behavior of a tidb cluster
Spec TidbClusterSpec `json:"spec"`
// +k8s:openapi-gen=false
// Most recently observed status of the tidb cluster
Status TidbClusterStatus `json:"status"`
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// TidbClusterList is TidbCluster list
// +k8s:openapi-gen=true
type TidbClusterList struct {
metav1.TypeMeta `json:",inline"`
// +k8s:openapi-gen=false
metav1.ListMeta `json:"metadata"`
Items []TidbCluster `json:"items"`
}
// TidbClusterSpec describes the attributes that a user creates on a tidb cluster
// +k8s:openapi-gen=true
type TidbClusterSpec struct {
// Discovery spec
Discovery DiscoverySpec `json:"discovery,omitempty"`
// Specify a Service Account
ServiceAccount string `json:"serviceAccount,omitempty"`
// PD cluster spec
// +optional
PD *PDSpec `json:"pd,omitempty"`
// TiDB cluster spec
// +optional
TiDB *TiDBSpec `json:"tidb,omitempty"`
// TiKV cluster spec
// +optional
TiKV *TiKVSpec `json:"tikv,omitempty"`
// TiFlash cluster spec
// +optional
TiFlash *TiFlashSpec `json:"tiflash,omitempty"`
// TiCDC cluster spec
// +optional
TiCDC *TiCDCSpec `json:"ticdc,omitempty"`
// Pump cluster spec
// +optional
Pump *PumpSpec `json:"pump,omitempty"`
// Helper spec
// +optional
Helper *HelperSpec `json:"helper,omitempty"`
// Indicates that the tidb cluster is paused and will not be processed by
// the controller.
// +optional
Paused bool `json:"paused,omitempty"`
// TiDB cluster version
// +optional
Version string `json:"version"`
// TODO: remove optional after defaulting logic introduced
// SchedulerName of TiDB cluster Pods
// +kubebuilder:default=tidb-scheduler
SchedulerName string `json:"schedulerName,omitempty"`
// Persistent volume reclaim policy applied to the PVs that consumed by TiDB cluster
// +kubebuilder:default=Retain
PVReclaimPolicy *corev1.PersistentVolumeReclaimPolicy `json:"pvReclaimPolicy,omitempty"`
// ImagePullPolicy of TiDB cluster Pods
// +kubebuilder:default=IfNotPresent
ImagePullPolicy corev1.PullPolicy `json:"imagePullPolicy,omitempty"`
// ImagePullSecrets is an optional list of references to secrets in the same namespace to use for pulling any of the images.
// +optional
ImagePullSecrets []corev1.LocalObjectReference `json:"imagePullSecrets,omitempty"`
// ConfigUpdateStrategy determines how the configuration change is applied to the cluster.
// UpdateStrategyInPlace will update the ConfigMap of configuration in-place and an extra rolling-update of the
// cluster component is needed to reload the configuration change.
// UpdateStrategyRollingUpdate will create a new ConfigMap with the new configuration and rolling-update the
// related components to use the new ConfigMap, that is, the new configuration will be applied automatically.
// +kubebuilder:validation:Enum=InPlace,RollingUpdate
// +kubebuilder:default=InPlacne
ConfigUpdateStrategy ConfigUpdateStrategy `json:"configUpdateStrategy,omitempty"`
// Whether enable PVC reclaim for orphan PVC left by statefulset scale-in
// Optional: Defaults to false
// +optional
EnablePVReclaim *bool `json:"enablePVReclaim,omitempty"`
// Whether enable the TLS connection between TiDB server components
// Optional: Defaults to nil
// +optional
TLSCluster *TLSCluster `json:"tlsCluster,omitempty"`
// Whether Hostnetwork is enabled for TiDB cluster Pods
// Optional: Defaults to false
// +optional
HostNetwork *bool `json:"hostNetwork,omitempty"`
// Affinity of TiDB cluster Pods.
// Will be overwritten by each cluster component's specific affinity setting, e.g. `spec.tidb.affinity`
// +optional
Affinity *corev1.Affinity `json:"affinity,omitempty"`
// PriorityClassName of TiDB cluster Pods
// Optional: Defaults to omitted
// +optional
PriorityClassName *string `json:"priorityClassName,omitempty"`
// Base node selectors of TiDB cluster Pods, components may add or override selectors upon this respectively
// +optional
NodeSelector map[string]string `json:"nodeSelector,omitempty"`
// Base annotations of TiDB cluster Pods, components may add or override selectors upon this respectively
// +optional
Annotations map[string]string `json:"annotations,omitempty"`
// Base tolerations of TiDB cluster Pods, components may add more tolerations upon this respectively
// +optional
Tolerations []corev1.Toleration `json:"tolerations,omitempty"`
// Time zone of TiDB cluster Pods
// Optional: Defaults to UTC
// +optional
Timezone string `json:"timezone,omitempty"`
// (Deprecated) Services list non-headless services type used in TidbCluster
// +k8s:openapi-gen=false
Services []Service `json:"services,omitempty"`
// TODO: really deprecate this in code
// EnableDynamicConfiguration indicates whether to append `--advertise-status-addr` to the startup parameters of TiKV.
// +optional
EnableDynamicConfiguration *bool `json:"enableDynamicConfiguration,omitempty"`
// TODO: rename this into tikv-specific config name
// ClusterDomain is the Kubernetes Cluster Domain of TiDB cluster
// Optional: Defaults to ""
// +optional
ClusterDomain string `json:"clusterDomain,omitempty"`
// Cluster is the external cluster, if configured, the components in this TidbCluster will join to this configured cluster.
// +optional
Cluster *TidbClusterRef `json:"cluster,omitempty"`
// PDAddresses are the external PD addresses, if configured, the PDs in this TidbCluster will join to the configured PD cluster.
// +optional
PDAddresses []string `json:"pdAddresses,omitempty"`
// StatefulSetUpdateStrategy of TiDB cluster StatefulSets
// +optional
StatefulSetUpdateStrategy apps.StatefulSetUpdateStrategyType `json:"statefulSetUpdateStrategy,omitempty"`
}
// TidbClusterStatus represents the current status of a tidb cluster.
type TidbClusterStatus struct {
ClusterID string `json:"clusterID,omitempty"`
PD PDStatus `json:"pd,omitempty"`
TiKV TiKVStatus `json:"tikv,omitempty"`
TiDB TiDBStatus `json:"tidb,omitempty"`
Pump PumpStatus `json:"pump,omitempty"`
TiFlash TiFlashStatus `json:"tiflash,omitempty"`
TiCDC TiCDCStatus `json:"ticdc,omitempty"`
Monitor *TidbMonitorRef `json:"monitor,omitempty"`
AutoScaler *TidbClusterAutoScalerRef `json:"auto-scaler,omitempty"`
// Represents the latest available observations of a tidb cluster's state.
// +optional
Conditions []TidbClusterCondition `json:"conditions,omitempty"`
}
// TidbClusterCondition describes the state of a tidb cluster at a certain point.
type TidbClusterCondition struct {
// Type of the condition.
Type TidbClusterConditionType `json:"type"`
// Status of the condition, one of True, False, Unknown.
Status corev1.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.
// +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"`
}
// TidbClusterConditionType represents a tidb cluster condition value.
type TidbClusterConditionType string
const (
// TidbClusterReady indicates that the tidb cluster is ready or not.
// This is defined as:
// - All statefulsets are up to date (currentRevision == updateRevision).
// - All PD members are healthy.
// - All TiDB pods are healthy.
// - All TiKV stores are up.
// - All TiFlash stores are up.
TidbClusterReady TidbClusterConditionType = "Ready"
)
// +k8s:openapi-gen=true
// DiscoverySpec contains details of Discovery members
type DiscoverySpec struct {
corev1.ResourceRequirements `json:",inline"`
}
// +k8s:openapi-gen=true
// PDSpec contains details of PD members
type PDSpec struct {
ComponentSpec `json:",inline"`
corev1.ResourceRequirements `json:",inline"`
// Specify a Service Account for pd
ServiceAccount string `json:"serviceAccount,omitempty"`
// The desired ready replicas
// +kubebuilder:validation:Minimum=1
Replicas int32 `json:"replicas"`
// Base image of the component, image tag is now allowed during validation
// +kubebuilder:default=pingcap/pd
// +optional
BaseImage string `json:"baseImage"`
// Service defines a Kubernetes service of PD cluster.
// Optional: Defaults to `.spec.services` in favor of backward compatibility
// +optional
Service *ServiceSpec `json:"service,omitempty"`
// MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover.
// Optional: Defaults to 3
// +kubebuilder:validation:Minimum=0
// +optional
MaxFailoverCount *int32 `json:"maxFailoverCount,omitempty"`
// The storageClassName of the persistent volume for PD data storage.
// Defaults to Kubernetes default storage class.
// +optional
StorageClassName *string `json:"storageClassName,omitempty"`
// StorageVolumes configure additional storage for PD pods.
// +optional
StorageVolumes []StorageVolume `json:"storageVolumes,omitempty"`
// Subdirectory within the volume to store PD Data. By default, the data
// is stored in the root directory of volume which is mounted at
// /var/lib/pd.
// Specifying this will change the data directory to a subdirectory, e.g.
// /var/lib/pd/data if you set the value to "data".
// It's dangerous to change this value for a running cluster as it will
// upgrade your cluster to use a new storage directory.
// Defaults to "" (volume's root).
// +optional
DataSubDir string `json:"dataSubDir,omitempty"`
// Config is the Configuration of pd-servers
// +optional
Config *PDConfigWraper `json:"config,omitempty"`
// TLSClientSecretName is the name of secret which stores tidb server client certificate
// which used by Dashboard.
// +optional
TLSClientSecretName *string `json:"tlsClientSecretName,omitempty"`
// (Deprecated) EnableDashboardInternalProxy would directly set `internal-proxy` in the `PdConfig`.
// Note that this is deprecated, we should just set `dashboard.internal-proxy` in `pd.config`.
// +optional
EnableDashboardInternalProxy *bool `json:"enableDashboardInternalProxy,omitempty"`
// MountClusterClientSecret indicates whether to mount `cluster-client-secret` to the Pod
// +optional
MountClusterClientSecret *bool `json:"mountClusterClientSecret,omitempty"`
}
// TiKVSpec contains details of TiKV members
// +k8s:openapi-gen=true
type TiKVSpec struct {
ComponentSpec `json:",inline"`
corev1.ResourceRequirements `json:",inline"`
// Specify a Service Account for tikv
ServiceAccount string `json:"serviceAccount,omitempty"`
// The desired ready replicas
// +kubebuilder:validation:Minimum=1
Replicas int32 `json:"replicas"`
// Base image of the component, image tag is now allowed during validation
// +kubebuilder:default=pingcap/tikv
// +optional
BaseImage string `json:"baseImage"`
// Whether create the TiKV container in privileged mode, it is highly discouraged to enable this in
// critical environment.
// Optional: defaults to false
// +optional
Privileged *bool `json:"privileged,omitempty"`
// MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover
// Optional: Defaults to 3
// +kubebuilder:validation:Minimum=0
// +optional
MaxFailoverCount *int32 `json:"maxFailoverCount,omitempty"`
// Whether output the RocksDB log in a separate sidecar container
// Optional: Defaults to false
// +optional
SeparateRocksDBLog *bool `json:"separateRocksDBLog,omitempty"`
// Whether output the Raft log in a separate sidecar container
// Optional: Defaults to false
// +optional
SeparateRaftLog *bool `json:"separateRaftLog,omitempty"`
// LogTailer is the configurations of the log tailers for TiKV
// +optional
LogTailer *LogTailerSpec `json:"logTailer,omitempty"`
// The storageClassName of the persistent volume for TiKV data storage.
// Defaults to Kubernetes default storage class.
// +optional
StorageClassName *string `json:"storageClassName,omitempty"`
// Subdirectory within the volume to store TiKV Data. By default, the data
// is stored in the root directory of volume which is mounted at
// /var/lib/tikv.
// Specifying this will change the data directory to a subdirectory, e.g.
// /var/lib/tikv/data if you set the value to "data".
// It's dangerous to change this value for a running cluster as it will
// upgrade your cluster to use a new storage directory.
// Defaults to "" (volume's root).
// +optional
DataSubDir string `json:"dataSubDir,omitempty"`
// Config is the Configuration of tikv-servers
// +optional
Config *TiKVConfigWraper `json:"config,omitempty"`
// RecoverFailover indicates that Operator can recover the failed Pods
// +optional
RecoverFailover bool `json:"recoverFailover,omitempty"`
// MountClusterClientSecret indicates whether to mount `cluster-client-secret` to the Pod
// +optional
MountClusterClientSecret *bool `json:"mountClusterClientSecret,omitempty"`
// EvictLeaderTimeout indicates the timeout to evict tikv leader, in the format of Go Duration.
// Defaults to 10m
// +optional
EvictLeaderTimeout *string `json:"evictLeaderTimeout,omitempty"`
// StorageVolumes configure additional storage for TiKV pods.
// +optional
StorageVolumes []StorageVolume `json:"storageVolumes,omitempty"`
// StoreLabels configures additional labels for TiKV stores.
// +optional
StoreLabels []string `json:"storeLabels,omitempty"`
}
// TiFlashSpec contains details of TiFlash members
// +k8s:openapi-gen=true
type TiFlashSpec struct {
ComponentSpec `json:",inline"`
corev1.ResourceRequirements `json:",inline"`
// Specify a Service Account for TiFlash
ServiceAccount string `json:"serviceAccount,omitempty"`
// The desired ready replicas
// +kubebuilder:validation:Minimum=1
Replicas int32 `json:"replicas"`
// Base image of the component, image tag is now allowed during validation
// +kubebuilder:default=pingcap/tiflash
// +optional
BaseImage string `json:"baseImage"`
// Whether create the TiFlash container in privileged mode, it is highly discouraged to enable this in
// critical environment.
// Optional: defaults to false
// +optional
Privileged *bool `json:"privileged,omitempty"`
// MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover
// Optional: Defaults to 3
// +kubebuilder:validation:Minimum=0
// +optional
MaxFailoverCount *int32 `json:"maxFailoverCount,omitempty"`
// The persistent volume claims of the TiFlash data storages.
// TiFlash supports multiple disks.
StorageClaims []StorageClaim `json:"storageClaims"`
// Config is the Configuration of TiFlash
// +optional
Config *TiFlashConfigWraper `json:"config,omitempty"`
// LogTailer is the configurations of the log tailers for TiFlash
// +optional
LogTailer *LogTailerSpec `json:"logTailer,omitempty"`
// RecoverFailover indicates that Operator can recover the failover Pods
// +optional
RecoverFailover bool `json:"recoverFailover,omitempty"`
}
// TiCDCSpec contains details of TiCDC members
// +k8s:openapi-gen=true
type TiCDCSpec struct {
ComponentSpec `json:",inline"`
corev1.ResourceRequirements `json:",inline"`
// Specify a Service Account for TiCDC
ServiceAccount string `json:"serviceAccount,omitempty"`
// The desired ready replicas
// +kubebuilder:validation:Minimum=1
Replicas int32 `json:"replicas"`
// Base image of the component, image tag is now allowed during validation
// +kubebuilder:default=pingcap/ticdc
// +optional
BaseImage string `json:"baseImage"`
// Config is the Configuration of tidbcdc servers
// +optional
Config *TiCDCConfig `json:"config,omitempty"`
}
// TiCDCConfig is the configuration of tidbcdc
// +k8s:openapi-gen=true
type TiCDCConfig struct {
// Time zone of TiCDC
// Optional: Defaults to UTC
// +optional
Timezone *string `json:"timezone,omitempty"`
// CDC GC safepoint TTL duration, specified in seconds
// Optional: Defaults to 86400
// +optional
GCTTL *int32 `json:"gcTTL,omitempty"`
// LogLevel is the log level
// Optional: Defaults to info
// +optional
LogLevel *string `json:"logLevel,omitempty"`
// LogFile is the log file
// Optional: Defaults to /dev/stderr
// +optional
LogFile *string `json:"logFile,omitempty"`
}
// LogTailerSpec represents an optional log tailer sidecar container
// +k8s:openapi-gen=true
type LogTailerSpec struct {
corev1.ResourceRequirements `json:",inline"`
}
// StorageClaim contains details of TiFlash storages
// +k8s:openapi-gen=true
type StorageClaim struct {
// Resources represents the minimum resources the volume should have.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#resources
// +optional
Resources corev1.ResourceRequirements `json:"resources,omitempty"`
// Name of the StorageClass required by the claim.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1
// +optional
StorageClassName *string `json:"storageClassName,omitempty"`
}
// TiDBSpec contains details of TiDB members
// +k8s:openapi-gen=true
type TiDBSpec struct {
ComponentSpec `json:",inline"`
corev1.ResourceRequirements `json:",inline"`
// Specify a Service Account for tidb
ServiceAccount string `json:"serviceAccount,omitempty"`
// The desired ready replicas
// +kubebuilder:validation:Minimum=0
Replicas int32 `json:"replicas"`
// Base image of the component, image tag is now allowed during validation
// +kubebuilder:default=pingcap/tidb
// +optional
BaseImage string `json:"baseImage"`
// Service defines a Kubernetes service of TiDB cluster.
// Optional: No kubernetes service will be created by default.
// +optional
Service *TiDBServiceSpec `json:"service,omitempty"`
// Whether enable TiDB Binlog, it is encouraged to not set this field and rely on the default behavior
// Optional: Defaults to true if PumpSpec is non-nil, otherwise false
// +optional
BinlogEnabled *bool `json:"binlogEnabled,omitempty"`
// MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover
// Optional: Defaults to 3
// +kubebuilder:validation:Minimum=0
// +optional
MaxFailoverCount *int32 `json:"maxFailoverCount,omitempty"`
// Whether output the slow log in an separate sidecar container
// Optional: Defaults to true
// +optional
SeparateSlowLog *bool `json:"separateSlowLog,omitempty"`
// Optional volume name configuration for slow query log.
// +optional
SlowLogVolumeName string `json:"slowLogVolumeName,omitempty"`
// The specification of the slow log tailer sidecar
// +optional
SlowLogTailer *TiDBSlowLogTailerSpec `json:"slowLogTailer,omitempty"`
// Whether enable the TLS connection between the SQL client and TiDB server
// Optional: Defaults to nil
// +optional
TLSClient *TiDBTLSClient `json:"tlsClient,omitempty"`
// Plugins is a list of plugins that are loaded by TiDB server, empty means plugin disabled
// +optional
Plugins []string `json:"plugins,omitempty"`
// TODO: additional volumes should be used to hold .so plugin binaries.
// Because this is not a complete implementation, maybe we can change this without backward compatibility.
// Config is the Configuration of tidb-servers
// +optional
Config *TiDBConfigWraper `json:"config,omitempty"`
// Lifecycle describes actions that the management system should take in response to container lifecycle
// events. For the PostStart and PreStop lifecycle handlers, management of the container blocks
// until the action is complete, unless the container process fails, in which case the handler is aborted.
// +optional
Lifecycle *corev1.Lifecycle `json:"lifecycle,omitempty"`
// StorageVolumes configure additional storage for TiDB pods.
// +optional
StorageVolumes []StorageVolume `json:"storageVolumes,omitempty"`
// The storageClassName of the persistent volume for TiDB data storage.
// Defaults to Kubernetes default storage class.
// +optional
StorageClassName *string `json:"storageClassName,omitempty"`
// ReadinessProbe describes actions that probe the tidb's readiness.
// the default behavior is like setting type as "tcp"
// +optional
ReadinessProbe *TiDBProbe `json:"readinessProbe,omitempty"`
}
const (
// TCPProbeType represents the readiness prob method with TCP
TCPProbeType string = "tcp"
// CommandProbeType represents the readiness prob method with arbitrary unix `exec` call format commands
CommandProbeType string = "command"
)
// TiDBProbe contains details of probing tidb.
// +k8s:openapi-gen=true
// default probe by TCPPort on 4000.
type TiDBProbe struct {
// "tcp" will use TCP socket to connetct port 4000
//
// "command" will probe the status api of tidb.
// This will use curl command to request tidb, before v4.0.9 there is no curl in the image,
// So do not use this before v4.0.9.
// +kubebuilder:validation:Enum=tcp,command
// +optional
Type *string `json:"type,omitempty"` // tcp or command
}
// PumpSpec contains details of Pump members
// +k8s:openapi-gen=true
type PumpSpec struct {
ComponentSpec `json:",inline"`
corev1.ResourceRequirements `json:",inline"`
// Specify a Service Account for pump
ServiceAccount string `json:"serviceAccount,omitempty"`
// The desired ready replicas
// +kubebuilder:validation:Minimum=0
Replicas int32 `json:"replicas"`
// Base image of the component, image tag is now allowed during validation
// +kubebuilder:default=pingcap/tidb-binlog
// +optional
BaseImage string `json:"baseImage"`
// The storageClassName of the persistent volume for Pump data storage.
// Defaults to Kubernetes default storage class.
// +optional
StorageClassName *string `json:"storageClassName,omitempty"`
// The configuration of Pump cluster.
// +optional
Config *config.GenericConfig `json:"config,omitempty"`
// +k8s:openapi-gen=false
// For backward compatibility with helm chart
SetTimeZone *bool `json:"setTimeZone,omitempty"`
}
// HelperSpec contains details of helper component
// +k8s:openapi-gen=true
type HelperSpec struct {
// Image used to tail slow log and set kernel parameters if necessary, must have `tail` and `sysctl` installed
// Optional: Defaults to busybox:1.26.2
// +optional
Image *string `json:"image,omitempty"`
// ImagePullPolicy of the component. Override the cluster-level imagePullPolicy if present
// Optional: Defaults to the cluster-level setting
// +optional
ImagePullPolicy *corev1.PullPolicy `json:"imagePullPolicy,omitempty"`
}
// TiDBSlowLogTailerSpec represents an optional log tailer sidecar with TiDB
// +k8s:openapi-gen=true
type TiDBSlowLogTailerSpec struct {
corev1.ResourceRequirements `json:",inline"`
// (Deprecated) Image used for slowlog tailer.
// Use `spec.helper.image` instead
// +k8s:openapi-gen=false
Image *string `json:"image,omitempty"`
// (Deprecated) ImagePullPolicy of the component. Override the cluster-level imagePullPolicy if present
// Use `spec.helper.imagePullPolicy` instead
// +k8s:openapi-gen=false
ImagePullPolicy *corev1.PullPolicy `json:"imagePullPolicy,omitempty"`
}
// ComponentSpec is the base spec of each component, the fields should always accessed by the Basic<Component>Spec() method to respect the cluster-level properties
// +k8s:openapi-gen=true
type ComponentSpec struct {
// (Deprecated) Image of the component
// Use `baseImage` and `version` instead
// +k8s:openapi-gen=false
Image string `json:"image,omitempty"`
// Version of the component. Override the cluster-level version if non-empty
// Optional: Defaults to cluster-level setting
// +optional
Version *string `json:"version,omitempty"`
// ImagePullPolicy of the component. Override the cluster-level imagePullPolicy if present
// Optional: Defaults to cluster-level setting
// +optional
ImagePullPolicy *corev1.PullPolicy `json:"imagePullPolicy,omitempty"`
// ImagePullSecrets is an optional list of references to secrets in the same namespace to use for pulling any of the images.
// +optional
ImagePullSecrets []corev1.LocalObjectReference `json:"imagePullSecrets,omitempty"`
// Whether Hostnetwork of the component is enabled. Override the cluster-level setting if present
// Optional: Defaults to cluster-level setting
// +optional
HostNetwork *bool `json:"hostNetwork,omitempty"`
// Affinity of the component. Override the cluster-level setting if present.
// Optional: Defaults to cluster-level setting
// +optional
Affinity *corev1.Affinity `json:"affinity,omitempty"`
// PriorityClassName of the component. Override the cluster-level one if present
// Optional: Defaults to cluster-level setting
// +optional
PriorityClassName *string `json:"priorityClassName,omitempty"`
// SchedulerName of the component. Override the cluster-level one if present
// Optional: Defaults to cluster-level setting
// +optional
SchedulerName *string `json:"schedulerName,omitempty"`
// NodeSelector of the component. Merged into the cluster-level nodeSelector if non-empty
// Optional: Defaults to cluster-level setting
// +optional
NodeSelector map[string]string `json:"nodeSelector,omitempty"`
// Annotations of the component. Merged into the cluster-level annotations if non-empty
// Optional: Defaults to cluster-level setting
// +optional
Annotations map[string]string `json:"annotations,omitempty"`
// Tolerations of the component. Override the cluster-level tolerations if non-empty
// Optional: Defaults to cluster-level setting
// +optional
Tolerations []corev1.Toleration `json:"tolerations,omitempty"`
// PodSecurityContext of the component
// +optional
PodSecurityContext *corev1.PodSecurityContext `json:"podSecurityContext,omitempty"`
// ConfigUpdateStrategy of the component. Override the cluster-level updateStrategy if present
// Optional: Defaults to cluster-level setting
// +optional
ConfigUpdateStrategy *ConfigUpdateStrategy `json:"configUpdateStrategy,omitempty"`
// List of environment variables to set in the container, like v1.Container.Env.
// Note that the following env names cannot be used and will be overridden by TiDB Operator builtin envs
// - NAMESPACE
// - TZ
// - SERVICE_NAME
// - PEER_SERVICE_NAME
// - HEADLESS_SERVICE_NAME
// - SET_NAME
// - HOSTNAME
// - CLUSTER_NAME
// - POD_NAME
// - BINLOG_ENABLED
// - SLOW_LOG_FILE
// +optional
Env []corev1.EnvVar `json:"env,omitempty"`
// Init containers of the components
// +optional
InitContainers []corev1.Container `json:"initContainers,omitempty"`
// Additional containers of the component.
// +optional
AdditionalContainers []corev1.Container `json:"additionalContainers,omitempty"`
// Additional volumes of component pod.
// +optional
AdditionalVolumes []corev1.Volume `json:"additionalVolumes,omitempty"`
// Additional volume mounts of component pod.
AdditionalVolumeMounts []corev1.VolumeMount `json:"additionalVolumeMounts,omitempty"`
// Optional duration in seconds the pod needs to terminate gracefully. May be decreased in delete request.
// Value must be non-negative integer. The value zero indicates delete immediately.
// If this value is nil, the default grace period will be used instead.
// The grace period is the duration in seconds after the processes running in the pod are sent
// a termination signal and the time when the processes are forcibly halted with a kill signal.
// Set this value longer than the expected cleanup time for your process.
// Defaults to 30 seconds.
// +optional
TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
// StatefulSetUpdateStrategy indicates the StatefulSetUpdateStrategy that will be
// employed to update Pods in the StatefulSet when a revision is made to
// Template.
// +optional
StatefulSetUpdateStrategy apps.StatefulSetUpdateStrategyType `json:"statefulSetUpdateStrategy,omitempty"`
}
// ServiceSpec specifies the service object in k8s
// +k8s:openapi-gen=true
type ServiceSpec struct {
// Type of the real kubernetes service
Type corev1.ServiceType `json:"type,omitempty"`
// Additional annotations of the kubernetes service object
// +optional
Annotations map[string]string `json:"annotations,omitempty"`
// LoadBalancerIP is the loadBalancerIP of service
// Optional: Defaults to omitted
// +optional
LoadBalancerIP *string `json:"loadBalancerIP,omitempty"`
// ClusterIP is the clusterIP of service
// +optional
ClusterIP *string `json:"clusterIP,omitempty"`
// PortName is the name of service port
// +optional
PortName *string `json:"portName,omitempty"`
// LoadBalancerSourceRanges is the loadBalancerSourceRanges of service
// If specified and supported by the platform, this will restrict traffic through the cloud-provider
// load-balancer will be restricted to the specified client IPs. This field will be ignored if the
// cloud-provider does not support the feature."
// More info: https://kubernetes.io/docs/concepts/services-networking/service/#aws-nlb-support
// Optional: Defaults to omitted
// +optional
LoadBalancerSourceRanges []string `json:"loadBalancerSourceRanges,omitempty"`
}
// TiDBServiceSpec defines `.tidb.service` field of `TidbCluster.spec`.
// +k8s:openapi-gen=true
type TiDBServiceSpec struct {
// +k8s:openapi-gen=false
ServiceSpec
// ExternalTrafficPolicy of the service
// Optional: Defaults to omitted
// +optional
ExternalTrafficPolicy *corev1.ServiceExternalTrafficPolicyType `json:"externalTrafficPolicy,omitempty"`
// Whether expose the status port
// Optional: Defaults to true
// +optional
ExposeStatus *bool `json:"exposeStatus,omitempty"`
// Expose the tidb cluster mysql port to MySQLNodePort
// Optional: Defaults to 0
// +optional
MySQLNodePort *int `json:"mysqlNodePort,omitempty"`
// Expose the tidb status node port to StatusNodePort
// Optional: Defaults to 0
// +optional
StatusNodePort *int `json:"statusNodePort,omitempty"`
// Expose additional ports for TiDB
// Optional: Defaults to omitted
// +optional
AdditionalPorts []corev1.ServicePort `json:"additionalPorts,omitempty"`
}
// (Deprecated) Service represent service type used in TidbCluster
// +k8s:openapi-gen=false
type Service struct {
Name string `json:"name,omitempty"`
Type string `json:"type,omitempty"`
}
// PDStatus is PD status
type PDStatus struct {
Synced bool `json:"synced,omitempty"`
Phase MemberPhase `json:"phase,omitempty"`
StatefulSet *apps.StatefulSetStatus `json:"statefulSet,omitempty"`
// Members contains PDs in current TidbCluster
Members map[string]PDMember `json:"members,omitempty"`
// PeerMembers contains PDs NOT in current TidbCluster
PeerMembers map[string]PDMember `json:"peerMembers,omitempty"`
Leader PDMember `json:"leader,omitempty"`
FailureMembers map[string]PDFailureMember `json:"failureMembers,omitempty"`
UnjoinedMembers map[string]UnjoinedMember `json:"unjoinedMembers,omitempty"`
Image string `json:"image,omitempty"`
}
// PDMember is PD member
type PDMember struct {
Name string `json:"name"`
// member id is actually a uint64, but apimachinery's json only treats numbers as int64/float64
// so uint64 may overflow int64 and thus convert to float64
ID string `json:"id"`
ClientURL string `json:"clientURL"`
Health bool `json:"health"`
// Last time the health transitioned from one to another.
LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"`
}
// PDFailureMember is the pd failure member information
type PDFailureMember struct {
PodName string `json:"podName,omitempty"`
MemberID string `json:"memberID,omitempty"`
PVCUID types.UID `json:"pvcUID,omitempty"`
PVCUIDSet map[types.UID]struct{} `json:"pvcUIDSet,omitempty"`
MemberDeleted bool `json:"memberDeleted,omitempty"`
CreatedAt metav1.Time `json:"createdAt,omitempty"`
}
// UnjoinedMember is the pd unjoin cluster member information
type UnjoinedMember struct {
PodName string `json:"podName,omitempty"`
PVCUID types.UID `json:"pvcUID,omitempty"`
CreatedAt metav1.Time `json:"createdAt,omitempty"`
}
// TiDBStatus is TiDB status
type TiDBStatus struct {
Phase MemberPhase `json:"phase,omitempty"`
StatefulSet *apps.StatefulSetStatus `json:"statefulSet,omitempty"`
Members map[string]TiDBMember `json:"members,omitempty"`
FailureMembers map[string]TiDBFailureMember `json:"failureMembers,omitempty"`
ResignDDLOwnerRetryCount int32 `json:"resignDDLOwnerRetryCount,omitempty"`
Image string `json:"image,omitempty"`
}
// TiDBMember is TiDB member
type TiDBMember struct {
Name string `json:"name"`
Health bool `json:"health"`
// Last time the health transitioned from one to another.
LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"`