Documentation ¶
Index ¶
- Constants
- Variables
- func CreateDefaultDisk(dataPath string) (map[string]DiskSpec, error)
- func CreateDisksFromAnnotation(annotation string) (map[string]DiskSpec, error)
- func EngineBinaryExistOnHostForImage(image string) bool
- func ErrorAlreadyExists(err error) bool
- func ErrorIsNotFound(err error) bool
- func GenerateEngineNameForVolume(vName string) string
- func GenerateReplicaNameForVolume(vName string) string
- func GetAPIServerAddressFromIP(ip string) string
- func GetCronJobNameForVolumeAndJob(vName, job string) string
- func GetCustomizedDefaultSettings() (map[string]string, error)
- func GetDaemonSetNameFromEngineImageName(engineImageName string) string
- func GetDefaultManagerURL() string
- func GetEngineBinaryDirectoryForEngineManagerContainer(image string) string
- func GetEngineBinaryDirectoryForReplicaManagerContainer(image string) string
- func GetEngineBinaryDirectoryOnHostForImage(image string) string
- func GetEngineImageChecksumName(image string) string
- func GetEngineImageLabels(engineImageName string) map[string]string
- func GetEngineImageNameFromDaemonSetName(dsName string) string
- func GetImageCanonicalName(image string) string
- func GetInstanceManagerComponentLabel() map[string]string
- func GetInstanceManagerImageChecksumName(image string) string
- func GetInstanceManagerLabels(node, instanceManagerImage string, managerType InstanceManagerType) map[string]string
- func GetInstanceManagerName(imType InstanceManagerType) (string, error)
- func GetLonghornLabelComponentKey() string
- func GetLonghornLabelKey(name string) string
- func GetNodeTagsFromAnnotation(annotation string) ([]string, error)
- func GetRegionAndZone(labels map[string]string, isUsingTopologyLabels bool) (string, string)
- func GetReplicaMountedDataPath(dataPath string) string
- func GetVolumeLabels(volumeName string) map[string]string
- func LabelsToString(labels map[string]string) string
- func OverwriteBuiltInSettingsWithCustomizedValues() error
- func SetCondition(originConditions map[string]Condition, conditionType string, ...) map[string]Condition
- func SetConditionAndRecord(conditions map[string]Condition, conditionType string, ...) map[string]Condition
- func UnmarshalToNodeTags(s string) ([]string, error)
- func UnmarshalTolerations(tolerationSetting string) ([]v1.Toleration, error)
- func ValidateAndUnmarshalToleration(s string) (*v1.Toleration, error)
- func ValidateEngineImageChecksumName(name string) bool
- func ValidateInitSetting(name, value string) (err error)
- func ValidateReplicaCount(count int) error
- type BackupStatus
- type Condition
- type ConditionStatus
- type DiskSpec
- type DiskSpecWithName
- type DiskStatus
- type EngineImageSpec
- type EngineImageState
- type EngineImageStatus
- type EngineSpec
- type EngineStatus
- type EngineVersionDetails
- type InstanceManagerSpec
- type InstanceManagerState
- type InstanceManagerStatus
- type InstanceManagerType
- type InstanceProcess
- type InstanceProcessSpec
- type InstanceProcessStatus
- type InstanceSpec
- type InstanceState
- type InstanceStatus
- type InstanceType
- type KubernetesStatus
- type NodeSpec
- type NodeStatus
- type NotFoundError
- type PurgeStatus
- type RebuildStatus
- type RecurringJob
- type RecurringJobType
- type ReplicaMode
- type ReplicaSpec
- type ReplicaStatus
- type RestoreStatus
- type Setting
- type SettingCategory
- type SettingDefinition
- type SettingName
- type SettingType
- type Snapshot
- type VolumeAttachmentRecoveryPolicy
- type VolumeFrontend
- type VolumeRobustness
- type VolumeSpec
- type VolumeState
- type VolumeStatus
- type WorkloadStatus
Constants ¶
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const ( LonghornManagerDaemonSetName = "longhorn-manager" DriverDeployerName = "longhorn-driver-deployer" CSIAttacherName = "csi-attacher" CSIProvisionerName = "csi-provisioner" CSIResizerName = "csi-resizer" CSIPluginName = "longhorn-csi-plugin" )
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const ( VolumeStateCreating = VolumeState("creating") VolumeStateAttached = VolumeState("attached") VolumeStateDetached = VolumeState("detached") VolumeStateAttaching = VolumeState("attaching") VolumeStateDetaching = VolumeState("detaching") VolumeStateDeleting = VolumeState("deleting") )
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const ( VolumeRobustnessHealthy = VolumeRobustness("healthy") // during attached VolumeRobustnessDegraded = VolumeRobustness("degraded") // during attached VolumeRobustnessFaulted = VolumeRobustness("faulted") // during detached VolumeRobustnessUnknown = VolumeRobustness("unknown") )
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const ( VolumeFrontendBlockDev = VolumeFrontend("blockdev") VolumeFrontendISCSI = VolumeFrontend("iscsi") VolumeFrontendEmpty = VolumeFrontend("") )
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const ( VolumeConditionTypeScheduled = "scheduled" VolumeConditionTypeRestore = "restore" )
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const ( VolumeConditionReasonReplicaSchedulingFailure = "ReplicaSchedulingFailure" VolumeConditionReasonRestoreInProgress = "RestoreInProgress" VolumeConditionReasonRestoreFailure = "RestoreFailure" )
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const ( RecurringJobTypeSnapshot = RecurringJobType("snapshot") RecurringJobTypeBackup = RecurringJobType("backup") )
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const ( InstanceStateRunning = InstanceState("running") InstanceStateStopped = InstanceState("stopped") InstanceStateError = InstanceState("error") InstanceStateStarting = InstanceState("starting") InstanceStateStopping = InstanceState("stopping") InstanceStateUnknown = InstanceState("unknown") )
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const ( EngineImageStateDeploying = "deploying" EngineImageStateReady = "ready" EngineImageStateIncompatible = "incompatible" EngineImageStateError = "error" )
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const ( EngineImageConditionTypeReady = "ready" EngineImageConditionTypeReadyReasonDaemonSet = "daemonSet" EngineImageConditionTypeReadyReasonBinary = "binary" )
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const ( NodeConditionTypeReady = "Ready" NodeConditionTypeMountPropagation = "MountPropagation" NodeConditionTypeSchedulable = "Schedulable" )
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const ( NodeConditionReasonManagerPodDown = "ManagerPodDown" NodeConditionReasonManagerPodMissing = "ManagerPodMissing" NodeConditionReasonKubernetesNodeGone = "KubernetesNodeGone" NodeConditionReasonKubernetesNodeNotReady = "KubernetesNodeNotReady" NodeConditionReasonKubernetesNodePressure = "KubernetesNodePressure" NodeConditionReasonUnknownNodeConditionTrue = "UnknownNodeConditionTrue" NodeConditionReasonNoMountPropagationSupport = "NoMountPropagationSupport" NodeConditionReasonKubernetesNodeCordoned = "KubernetesNodeCordoned" )
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const ( DiskConditionTypeSchedulable = "Schedulable" DiskConditionTypeReady = "Ready" )
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const ( DiskConditionReasonDiskPressure = "DiskPressure" DiskConditionReasonDiskFilesystemChanged = "DiskFilesystemChanged" DiskConditionReasonNoDiskInfo = "NoDiskInfo" )
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const ( InstanceTypeEngine = InstanceType("engine") InstanceTypeReplica = InstanceType("replica") )
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const ( InstanceManagerStateError = InstanceManagerState("error") InstanceManagerStateRunning = InstanceManagerState("running") InstanceManagerStateStopped = InstanceManagerState("stopped") InstanceManagerStateStarting = InstanceManagerState("starting") InstanceManagerStateUnknown = InstanceManagerState("unknown") )
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const ( InstanceManagerTypeEngine = InstanceManagerType("engine") InstanceManagerTypeReplica = InstanceManagerType("replica") )
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const ( SettingTypeString = SettingType("string") SettingTypeInt = SettingType("int") SettingTypeBool = SettingType("bool") )
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const ( SettingNameBackupTarget = SettingName("backup-target") SettingNameBackupTargetCredentialSecret = SettingName("backup-target-credential-secret") SettingNameCreateDefaultDiskLabeledNodes = SettingName("create-default-disk-labeled-nodes") SettingNameDefaultDataPath = SettingName("default-data-path") SettingNameDefaultEngineImage = SettingName("default-engine-image") SettingNameDefaultInstanceManagerImage = SettingName("default-instance-manager-image") SettingNameReplicaSoftAntiAffinity = SettingName("replica-soft-anti-affinity") SettingNameStorageOverProvisioningPercentage = SettingName("storage-over-provisioning-percentage") SettingNameStorageMinimalAvailablePercentage = SettingName("storage-minimal-available-percentage") SettingNameUpgradeChecker = SettingName("upgrade-checker") SettingNameLatestLonghornVersion = SettingName("latest-longhorn-version") SettingNameDefaultReplicaCount = SettingName("default-replica-count") SettingNameGuaranteedEngineCPU = SettingName("guaranteed-engine-cpu") SettingNameDefaultLonghornStaticStorageClass = SettingName("default-longhorn-static-storage-class") SettingNameBackupstorePollInterval = SettingName("backupstore-poll-interval") SettingNameTaintToleration = SettingName("taint-toleration") SettingNameCRDAPIVersion = SettingName("crd-api-version") SettingNameAutoSalvage = SettingName("auto-salvage") SettingNameRegistrySecret = SettingName("registry-secret") SettingNameDisableSchedulingOnCordonedNode = SettingName("disable-scheduling-on-cordoned-node") SettingNameReplicaZoneSoftAntiAffinity = SettingName("replica-zone-soft-anti-affinity") SettingNameVolumeAttachmentRecoveryPolicy = SettingName("volume-attachment-recovery-policy") SettingNameMkfsExt4Parameters = SettingName("mkfs-ext4-parameters") SettingNamePriorityClass = SettingName("priority-class") )
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const ( SettingCategoryGeneral = SettingCategory("general") SettingCategoryBackup = SettingCategory("backup") SettingCategoryScheduling = SettingCategory("scheduling") SettingCategoryDangerZone = SettingCategory("danger Zone") )
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const ( VolumeAttachmentRecoveryPolicyNever = VolumeAttachmentRecoveryPolicy("never") // Kubernetes default behavior VolumeAttachmentRecoveryPolicyWait = VolumeAttachmentRecoveryPolicy("wait") // Longhorn default behavior VolumeAttachmentRecoveryPolicyImmediate = VolumeAttachmentRecoveryPolicy("immediate") )
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const ( LonghornKindNode = "Node" LonghornKindVolume = "Volume" LonghornKindEngineImage = "EngineImage" LonghornKindInstanceManager = "InstanceManager" CRDAPIVersionV1alpha1 = "longhorn.rancher.io/v1alpha1" CRDAPIVersionV1beta1 = "longhorn.io/v1beta1" CurrentCRDAPIVersion = CRDAPIVersionV1beta1 )
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const ( DefaultAPIPort = 9500 EngineBinaryDirectoryInContainer = "/engine-binaries/" EngineBinaryDirectoryOnHost = "/var/lib/longhorn/engine-binaries/" ReplicaHostPrefix = "/host" EngineBinaryName = "longhorn" LonghornNodeKey = "longhornnode" NodeCreateDefaultDiskLabelKey = "node.longhorn.io/create-default-disk" NodeCreateDefaultDiskLabelValueTrue = "true" NodeCreateDefaultDiskLabelValueConfig = "config" KubeNodeDefaultDiskConfigAnnotationKey = "node.longhorn.io/default-disks-config" KubeNodeDefaultNodeTagConfigAnnotationKey = "node.longhorn.io/default-node-tags" BaseImageLabel = "ranchervm-base-image" KubernetesStatusLabel = "KubernetesStatus" KubernetesReplicaSet = "ReplicaSet" RecurringJobLabel = "RecurringJob" LonghornLabelKeyPrefix = "longhorn.io" LonghornLabelEngineImage = "engine-image" LonghornLabelInstanceManager = "instance-manager" LonghornLabelNode = "node" LonghornLabelInstanceManagerType = "instance-manager-type" LonghornLabelInstanceManagerImage = "instance-manager-image" LonghornLabelVolume = "longhornvolume" KubernetesFailureDomainRegionLabelKey = "failure-domain.beta.kubernetes.io/region" KubernetesFailureDomainZoneLabelKey = "failure-domain.beta.kubernetes.io/zone" KubernetesTopologyRegionLabelKey = "topology.kubernetes.io/region" KubernetesTopologyZoneLabelKey = "topology.kubernetes.io/zone" LonghornDriverName = "driver.longhorn.io" DefaultDiskPrefix = "default-disk-" DeprecatedProvisionerName = "rancher.io/longhorn" DepracatedDriverName = "io.rancher.longhorn" )
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const ( CSIMinVersion = "v1.14.0" CSIVolumeExpansionMinVersion = "v1.16.0" KubernetesTopologyLabelsVersion = "v1.17.0" )
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const ( ReplicaModeRW = ReplicaMode("RW") ReplicaModeWO = ReplicaMode("WO") ReplicaModeERR = ReplicaMode("ERR") EnvNodeName = "NODE_NAME" EnvPodNamespace = "POD_NAMESPACE" EnvPodIP = "POD_IP" EnvServiceAccount = "SERVICE_ACCOUNT" AWSAccessKey = "AWS_ACCESS_KEY_ID" AWSSecretKey = "AWS_SECRET_ACCESS_KEY" AWSEndPoint = "AWS_ENDPOINTS" AWSCert = "AWS_CERT" HTTPSProxy = "HTTPS_PROXY" HTTPProxy = "HTTP_PROXY" NOProxy = "NO_PROXY" VirtualHostedStyle = "VIRTUAL_HOSTED_STYLE" OptionFromBackup = "fromBackup" OptionNumberOfReplicas = "numberOfReplicas" OptionStaleReplicaTimeout = "staleReplicaTimeout" OptionBaseImage = "baseImage" OptionFrontend = "frontend" OptionDiskSelector = "diskSelector" OptionNodeSelector = "nodeSelector" // DefaultStaleReplicaTimeout in minutes. 48h by default DefaultStaleReplicaTimeout = "2880" ImageChecksumNameLength = 8 )
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const (
EnvDefaultSettingPath = "DEFAULT_SETTING_PATH"
)
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const (
InvalidEngineVersion = -1
)
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const ( // MaximumJobNameSize is calculated using // 1. NameMaximumLength is 40 // 2. Recurring suffix is 2 // 3. Maximum kubernetes name length is 63 // 4. cronjob pod suffix is 11 // 5. Dash and buffer for 2 MaximumJobNameSize = 8 )
Variables ¶
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var ( SettingDefinitions = map[SettingName]SettingDefinition{ SettingNameBackupTarget: SettingDefinitionBackupTarget, SettingNameBackupTargetCredentialSecret: SettingDefinitionBackupTargetCredentialSecret, SettingNameCreateDefaultDiskLabeledNodes: SettingDefinitionCreateDefaultDiskLabeledNodes, SettingNameDefaultDataPath: SettingDefinitionDefaultDataPath, SettingNameDefaultEngineImage: SettingDefinitionDefaultEngineImage, SettingNameDefaultInstanceManagerImage: SettingDefinitionDefaultInstanceManagerImage, SettingNameReplicaSoftAntiAffinity: SettingDefinitionReplicaSoftAntiAffinity, SettingNameStorageOverProvisioningPercentage: SettingDefinitionStorageOverProvisioningPercentage, SettingNameStorageMinimalAvailablePercentage: SettingDefinitionStorageMinimalAvailablePercentage, SettingNameUpgradeChecker: SettingDefinitionUpgradeChecker, SettingNameLatestLonghornVersion: SettingDefinitionLatestLonghornVersion, SettingNameDefaultReplicaCount: SettingDefinitionDefaultReplicaCount, SettingNameGuaranteedEngineCPU: SettingDefinitionGuaranteedEngineCPU, SettingNameDefaultLonghornStaticStorageClass: SettingDefinitionDefaultLonghornStaticStorageClass, SettingNameBackupstorePollInterval: SettingDefinitionBackupstorePollInterval, SettingNameTaintToleration: SettingDefinitionTaintToleration, SettingNameCRDAPIVersion: SettingDefinitionCRDAPIVersion, SettingNameAutoSalvage: SettingDefinitionAutoSalvage, SettingNameRegistrySecret: SettingDefinitionRegistrySecret, SettingNameDisableSchedulingOnCordonedNode: SettingDefinitionDisableSchedulingOnCordonedNode, SettingNameReplicaZoneSoftAntiAffinity: SettingDefinitionReplicaZoneSoftAntiAffinity, SettingNameVolumeAttachmentRecoveryPolicy: SettingDefinitionVolumeAttachmentRecoveryPolicy, SettingNameMkfsExt4Parameters: SettingDefinitionMkfsExt4Parameters, SettingNamePriorityClass: SettingDefinitionPriorityClass, } SettingDefinitionBackupTarget = SettingDefinition{ DisplayName: "Backup Target", Description: "The endpoint used to access the backupstore. NFS and S3 are supported.", Category: SettingCategoryBackup, Type: SettingTypeString, Required: false, ReadOnly: false, } SettingDefinitionBackupTargetCredentialSecret = SettingDefinition{ DisplayName: "Backup Target Credential Secret", Description: "The name of the Kubernetes secret associated with the backup target.", Category: SettingCategoryBackup, Type: SettingTypeString, Required: false, ReadOnly: false, } SettingDefinitionBackupstorePollInterval = SettingDefinition{ DisplayName: "Backupstore Poll Interval", Description: "In seconds. The backupstore poll interval determines how often Longhorn checks the backupstore for new backups. Set to 0 to disable the polling.", Category: SettingCategoryBackup, Type: SettingTypeInt, Required: true, ReadOnly: false, Default: "300", } SettingDefinitionCreateDefaultDiskLabeledNodes = SettingDefinition{ DisplayName: "Create Default Disk on Labeled Nodes", Description: "Create default Disk automatically only on Nodes with the label " + "\"node.longhorn.io/create-default-disk=true\" if no other disks exist. If disabled, the default disk will " + "be created on all new nodes when each node is first added.", Category: SettingCategoryGeneral, Type: SettingTypeBool, Required: true, ReadOnly: false, Default: "false", } SettingDefinitionDefaultDataPath = SettingDefinition{ DisplayName: "Default Data Path", Description: "Default path to use for storing data on a host", Category: SettingCategoryGeneral, Type: SettingTypeString, Required: true, ReadOnly: false, Default: "/var/lib/longhorn/", } SettingDefinitionDefaultEngineImage = SettingDefinition{ DisplayName: "Default Engine Image", Description: "The default engine image used by the manager. Can be changed on the manager starting command line only", Category: SettingCategoryGeneral, Type: SettingTypeString, Required: true, ReadOnly: true, } SettingDefinitionDefaultInstanceManagerImage = SettingDefinition{ DisplayName: "Default Instance Manager Image", Description: "The default instance manager image used by the manager. Can be changed on the manager starting command line only", Category: SettingCategoryGeneral, Type: SettingTypeString, Required: true, ReadOnly: true, } SettingDefinitionReplicaSoftAntiAffinity = SettingDefinition{ DisplayName: "Replica Node Level Soft Anti-Affinity", Description: "Allow scheduling on nodes with existing healthy replicas of the same volume", Category: SettingCategoryScheduling, Type: SettingTypeBool, Required: true, ReadOnly: false, Default: "false", } SettingDefinitionStorageOverProvisioningPercentage = SettingDefinition{ DisplayName: "Storage Over Provisioning Percentage", Description: "The over-provisioning percentage defines how much storage can be allocated relative to the hard drive's capacity", Category: SettingCategoryScheduling, Type: SettingTypeInt, Required: true, ReadOnly: false, Default: "200", } SettingDefinitionStorageMinimalAvailablePercentage = SettingDefinition{ DisplayName: "Storage Minimal Available Percentage", Description: "If the minimum available disk capacity exceeds the actual percentage of available disk capacity, the disk becomes unschedulable until more space is freed up.", Category: SettingCategoryScheduling, Type: SettingTypeInt, Required: true, ReadOnly: false, Default: "25", } SettingDefinitionUpgradeChecker = SettingDefinition{ DisplayName: "Enable Upgrade Checker", Description: "Upgrade Checker will check for new Longhorn version periodically. When there is a new version available, a notification will appear in the UI", Category: SettingCategoryGeneral, Type: SettingTypeBool, Required: true, ReadOnly: false, Default: "true", } SettingDefinitionLatestLonghornVersion = SettingDefinition{ DisplayName: "Latest Longhorn Version", Description: "The latest version of Longhorn available. Updated by Upgrade Checker automatically", Category: SettingCategoryGeneral, Type: SettingTypeString, Required: false, ReadOnly: true, } SettingDefinitionDefaultReplicaCount = SettingDefinition{ DisplayName: "Default Replica Count", Description: "The default number of replicas when a volume is created from the Longhorn UI. For Kubernetes configuration, update the `numberOfReplicas` in the StorageClass", Category: SettingCategoryGeneral, Type: SettingTypeInt, Required: true, ReadOnly: false, Default: "3", } SettingDefinitionGuaranteedEngineCPU = SettingDefinition{ DisplayName: "Guaranteed Engine CPU", Description: "Allow Longhorn Instance Managers to have guaranteed CPU allocation. The value is how many CPUs should be reserved for each Engine/Replica Instance Manager Pod created by Longhorn. For example, 0.1 means one-tenth of a CPU. This will help maintain engine stability during high node workload. It only applies to the Engine/Replica Manager Pods created after the setting took effect. WARNING: After this setting is changed, all the instance managers on all the nodes will be automatically restarted. \nWARNING: DO NOT CHANGE THIS SETTING WITH ATTACHED VOLUMES.", Category: SettingCategoryDangerZone, Type: SettingTypeString, Required: true, ReadOnly: false, Default: "0.25", } SettingDefinitionDefaultLonghornStaticStorageClass = SettingDefinition{ DisplayName: "Default Longhorn Static StorageClass Name", Description: "The 'storageClassName' is given to PVs and PVCs that are created for an existing Longhorn volume. The StorageClass name can also be used as a label, so it is possible to use a Longhorn StorageClass to bind a workload to an existing PV without creating a Kubernetes StorageClass object.", Category: SettingCategoryGeneral, Type: SettingTypeString, Required: true, ReadOnly: false, Default: "longhorn-static", } SettingDefinitionTaintToleration = SettingDefinition{ DisplayName: "Kubernetes Taint Toleration", Description: "To dedicate nodes to store Longhorn replicas and reject other general workloads, set tolerations for Longhorn and add taints for the storage nodes. All Longhorn volumes should be detached before modifying toleration settings. We recommend setting tolerations during Longhorn deployment because the Longhorn system cannot be operated during the update. Multiple tolerations can be set here, and these tolerations are separated by semicolon. For example, `key1=value1:NoSchedule; key2:NoExecute`. Because `kubernetes.io` is used as the key of all Kubernetes default tolerations, it should not be used in the toleration settings.\nWARNING: DO NOT CHANGE THIS SETTING WITH ATTACHED VOLUMES.", Category: SettingCategoryDangerZone, Type: SettingTypeString, Required: false, ReadOnly: false, } SettingDefinitionCRDAPIVersion = SettingDefinition{ DisplayName: "Custom Resource API Version", Description: "The current customer resource's API version, e.g. longhorn.io/v1beta1. Set by manager automatically", Category: SettingCategoryGeneral, Type: SettingTypeString, Required: true, ReadOnly: true, } SettingDefinitionAutoSalvage = SettingDefinition{ DisplayName: "Automatic salvage", Description: "If enabled, volumes will be automatically salvaged when all the replicas become faulty e.g. due to network disconnection. Longhorn will try to figure out which replica(s) are usable, then use them for the volume.", Category: SettingCategoryGeneral, Type: SettingTypeBool, Required: true, ReadOnly: false, Default: "true", } SettingDefinitionRegistrySecret = SettingDefinition{ DisplayName: "Registry secret", Description: "The Kubernetes Secret name", Category: SettingCategoryGeneral, Type: SettingTypeString, Required: false, ReadOnly: false, Default: "", } SettingDefinitionDisableSchedulingOnCordonedNode = SettingDefinition{ DisplayName: "Disable Scheduling On Cordoned Node", Description: `Disable Longhorn manager to schedule replica on Kubernetes cordoned node`, Category: SettingCategoryScheduling, Type: SettingTypeBool, Required: true, ReadOnly: false, Default: "true", } SettingDefinitionReplicaZoneSoftAntiAffinity = SettingDefinition{ DisplayName: "Replica Zone Level Soft Anti-Affinity", Description: "Allow scheduling new Replicas of Volume to the Nodes in the same Zone as existing healthy Replicas. Nodes don't belong to any Zone will be treated as in the same Zone.", Category: SettingCategoryScheduling, Type: SettingTypeBool, Required: true, ReadOnly: false, Default: "true", } SettingDefinitionVolumeAttachmentRecoveryPolicy = SettingDefinition{ DisplayName: "Volume Attachment Recovery Policy", Description: "Defines the Longhorn action when a Volume is stuck with a Deployment Pod on a failed node.\n" + "- **wait** leads to the deletion of the volume attachment as soon as the pods deletion time has passed.\n" + "- **never** is the default Kubernetes behavior of never deleting volume attachments on terminating pods.\n" + "- **immediate** leads to the deletion of the volume attachment as soon as all workload pods are pending.\n", Category: SettingCategoryGeneral, Type: SettingTypeString, Required: true, ReadOnly: false, Default: string(VolumeAttachmentRecoveryPolicyWait), Choices: []string{ string(VolumeAttachmentRecoveryPolicyNever), string(VolumeAttachmentRecoveryPolicyWait), string(VolumeAttachmentRecoveryPolicyImmediate), }, } SettingDefinitionMkfsExt4Parameters = SettingDefinition{ DisplayName: "Custom mkfs.ext4 parameters", Description: "Allows setting additional filesystem creation parameters for ext4. For older host kernels it might be necessary to disable the optional ext4 metadata_csum feature by specifying `-O ^64bit,^metadata_csum`", Category: SettingCategoryGeneral, Type: SettingTypeString, Required: false, ReadOnly: false, } SettingDefinitionPriorityClass = SettingDefinition{ DisplayName: "Priority Class", Description: "The name of the Priority Class to set on the Longhorn workloads. This can help prevent Longhorn workloads from being evicted under Node Pressure.\nWARNING: DO NOT CHANGE THIS SETTING WITH ATTACHED VOLUMES.", Category: SettingCategoryDangerZone, Required: false, ReadOnly: false, } )
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var (
LonghornSystemKey = "longhorn"
)
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var ( SettingNameList = []SettingName{ SettingNameBackupTarget, SettingNameBackupTargetCredentialSecret, SettingNameCreateDefaultDiskLabeledNodes, SettingNameDefaultDataPath, SettingNameDefaultEngineImage, SettingNameDefaultInstanceManagerImage, SettingNameReplicaSoftAntiAffinity, SettingNameStorageOverProvisioningPercentage, SettingNameStorageMinimalAvailablePercentage, SettingNameUpgradeChecker, SettingNameLatestLonghornVersion, SettingNameDefaultReplicaCount, SettingNameGuaranteedEngineCPU, SettingNameDefaultLonghornStaticStorageClass, SettingNameBackupstorePollInterval, SettingNameTaintToleration, SettingNameCRDAPIVersion, SettingNameAutoSalvage, SettingNameRegistrySecret, SettingNameDisableSchedulingOnCordonedNode, SettingNameReplicaZoneSoftAntiAffinity, SettingNameVolumeAttachmentRecoveryPolicy, SettingNameMkfsExt4Parameters, SettingNamePriorityClass, } )
Functions ¶
func CreateDefaultDisk ¶ added in v0.8.1
func CreateDisksFromAnnotation ¶ added in v0.8.1
func ErrorAlreadyExists ¶ added in v0.6.0
func ErrorIsNotFound ¶ added in v0.6.0
func GetCustomizedDefaultSettings ¶ added in v0.6.0
func GetDaemonSetNameFromEngineImageName ¶ added in v0.6.0
func GetDefaultManagerURL ¶ added in v1.0.1
func GetDefaultManagerURL() string
func GetEngineBinaryDirectoryForEngineManagerContainer ¶ added in v0.8.0
func GetEngineBinaryDirectoryForReplicaManagerContainer ¶ added in v0.8.0
func GetEngineImageLabels ¶ added in v0.6.0
func GetEngineImageNameFromDaemonSetName ¶ added in v0.6.0
func GetImageCanonicalName ¶
func GetInstanceManagerComponentLabel ¶ added in v0.6.0
func GetInstanceManagerImageChecksumName ¶ added in v1.0.1
func GetInstanceManagerLabels ¶ added in v0.6.0
func GetInstanceManagerLabels(node, instanceManagerImage string, managerType InstanceManagerType) map[string]string
func GetInstanceManagerName ¶ added in v0.8.0
func GetInstanceManagerName(imType InstanceManagerType) (string, error)
func GetLonghornLabelComponentKey ¶ added in v0.6.0
func GetLonghornLabelComponentKey() string
func GetLonghornLabelKey ¶ added in v0.6.0
func GetNodeTagsFromAnnotation ¶ added in v0.8.1
func GetRegionAndZone ¶ added in v0.8.0
func GetReplicaMountedDataPath ¶ added in v0.6.0
func GetVolumeLabels ¶ added in v0.7.0
func LabelsToString ¶ added in v0.7.0
func OverwriteBuiltInSettingsWithCustomizedValues ¶ added in v0.6.0
func OverwriteBuiltInSettingsWithCustomizedValues() error
func SetCondition ¶ added in v0.8.1
func SetConditionAndRecord ¶ added in v0.8.1
func UnmarshalToNodeTags ¶ added in v0.8.1
UnmarshalToNodeTags input format should be: `["worker1","enabled"]`
func UnmarshalTolerations ¶ added in v0.6.0
func UnmarshalTolerations(tolerationSetting string) ([]v1.Toleration, error)
func ValidateAndUnmarshalToleration ¶ added in v0.6.0
func ValidateAndUnmarshalToleration(s string) (*v1.Toleration, error)
func ValidateEngineImageChecksumName ¶ added in v0.8.0
func ValidateInitSetting ¶ added in v0.6.0
func ValidateReplicaCount ¶ added in v0.6.0
Types ¶
type BackupStatus ¶ added in v0.6.0
type Condition ¶
type ConditionStatus ¶
type ConditionStatus string
const ( ConditionStatusTrue ConditionStatus = "True" ConditionStatusFalse ConditionStatus = "False" ConditionStatusUnknown ConditionStatus = "Unknown" )
type DiskSpecWithName ¶ added in v0.8.1
func UnmarshalToDisks ¶ added in v0.8.1
func UnmarshalToDisks(s string) (ret []DiskSpecWithName, err error)
UnmarshalToDisks input format should be: `[{"path":"/mnt/disk1","allowScheduling":false},
{"path":"/mnt/disk2","allowScheduling":false,"storageReserved":1024,"tags":["ssd","fast"]}]`
type DiskStatus ¶
type DiskStatus struct { Conditions map[string]Condition `json:"conditions"` StorageAvailable int64 `json:"storageAvailable"` StorageScheduled int64 `json:"storageScheduled"` StorageMaximum int64 `json:"storageMaximum"` ScheduledReplica map[string]int64 `json:"scheduledReplica"` DiskUUID string `json:"diskUUID"` }
func (*DiskStatus) DeepCopyInto ¶
func (n *DiskStatus) DeepCopyInto(to *DiskStatus)
type EngineImageSpec ¶
type EngineImageSpec struct {
Image string `json:"image"`
}
type EngineImageState ¶
type EngineImageState string
type EngineImageStatus ¶
type EngineImageStatus struct { OwnerID string `json:"ownerID"` State EngineImageState `json:"state"` RefCount int `json:"refCount"` NoRefSince string `json:"noRefSince"` Conditions map[string]Condition `json:"conditions"` EngineVersionDetails }
func (*EngineImageStatus) DeepCopyInto ¶ added in v0.8.1
func (ei *EngineImageStatus) DeepCopyInto(to *EngineImageStatus)
type EngineSpec ¶
type EngineSpec struct { InstanceSpec Frontend VolumeFrontend `json:"frontend"` ReplicaAddressMap map[string]string `json:"replicaAddressMap"` UpgradedReplicaAddressMap map[string]string `json:"upgradedReplicaAddressMap"` BackupVolume string `json:"backupVolume"` RequestedBackupRestore string `json:"requestedBackupRestore"` DisableFrontend bool `json:"disableFrontend"` }
func (*EngineSpec) DeepCopyInto ¶
func (e *EngineSpec) DeepCopyInto(to *EngineSpec)
type EngineStatus ¶
type EngineStatus struct { InstanceStatus CurrentSize int64 `json:"currentSize,string"` CurrentReplicaAddressMap map[string]string `json:"currentReplicaAddressMap"` ReplicaModeMap map[string]ReplicaMode `json:"replicaModeMap"` Endpoint string `json:"endpoint"` LastRestoredBackup string `json:"lastRestoredBackup"` BackupStatus map[string]*BackupStatus `json:"backupStatus"` RestoreStatus map[string]*RestoreStatus `json:"restoreStatus"` PurgeStatus map[string]*PurgeStatus `json:"purgeStatus"` RebuildStatus map[string]*RebuildStatus `json:"rebuildStatus"` Snapshots map[string]*Snapshot `json:"snapshots"` SnapshotsError string `json:"snapshotsError"` IsExpanding bool `json:"isExpanding"` LastExpansionError string `json:"lastExpansionError"` LastExpansionFailedAt string `json:"lastExpansionFailedAt"` }
func (*EngineStatus) DeepCopyInto ¶
func (e *EngineStatus) DeepCopyInto(to *EngineStatus)
type EngineVersionDetails ¶
type EngineVersionDetails struct { Version string `json:"version"` GitCommit string `json:"gitCommit"` BuildDate string `json:"buildDate"` CLIAPIVersion int `json:"cliAPIVersion"` CLIAPIMinVersion int `json:"cliAPIMinVersion"` ControllerAPIVersion int `json:"controllerAPIVersion"` ControllerAPIMinVersion int `json:"controllerAPIMinVersion"` DataFormatVersion int `json:"dataFormatVersion"` DataFormatMinVersion int `json:"dataFormatMinVersion"` }
type InstanceManagerSpec ¶ added in v0.6.0
type InstanceManagerSpec struct { Image string `json:"image"` NodeID string `json:"nodeID"` Type InstanceManagerType `json:"type"` // TODO: deprecate this field EngineImage string `json:"engineImage"` }
type InstanceManagerState ¶ added in v0.6.0
type InstanceManagerState string
type InstanceManagerStatus ¶ added in v0.6.0
type InstanceManagerStatus struct { OwnerID string `json:"ownerID"` CurrentState InstanceManagerState `json:"currentState"` Instances map[string]InstanceProcess `json:"instances"` IP string `json:"ip"` APIMinVersion int `json:"apiMinVersion"` APIVersion int `json:"apiVersion"` }
func (*InstanceManagerStatus) DeepCopyInto ¶ added in v0.6.0
func (n *InstanceManagerStatus) DeepCopyInto(to *InstanceManagerStatus)
type InstanceManagerType ¶ added in v0.6.0
type InstanceManagerType string
type InstanceProcess ¶ added in v0.6.0
type InstanceProcess struct { Spec InstanceProcessSpec `json:"spec"` Status InstanceProcessStatus `json:"status"` }
type InstanceProcessSpec ¶ added in v0.6.0
type InstanceProcessSpec struct {
Name string `json:"name"`
}
type InstanceProcessStatus ¶ added in v0.6.0
type InstanceProcessStatus struct { Endpoint string `json:"endpoint"` ErrorMsg string `json:"errorMsg"` Listen string `json:"listen"` PortEnd int32 `json:"portEnd"` PortStart int32 `json:"portStart"` State InstanceState `json:"state"` Type InstanceType `json:"type"` ResourceVersion int64 `json:"resourceVersion"` }
type InstanceSpec ¶
type InstanceState ¶
type InstanceState string
type InstanceStatus ¶
type InstanceStatus struct { OwnerID string `json:"ownerID"` InstanceManagerName string `json:"instanceManagerName"` CurrentState InstanceState `json:"currentState"` CurrentImage string `json:"currentImage"` IP string `json:"ip"` Port int `json:"port"` Started bool `json:"started"` LogFetched bool `json:"logFetched"` }
type InstanceType ¶ added in v0.6.0
type InstanceType string
type KubernetesStatus ¶ added in v0.5.0
type KubernetesStatus struct { PVName string `json:"pvName"` PVStatus string `json:"pvStatus"` // determine if PVC/Namespace is history or not Namespace string `json:"namespace"` PVCName string `json:"pvcName"` LastPVCRefAt string `json:"lastPVCRefAt"` // determine if Pod/Workload is history or not WorkloadsStatus []WorkloadStatus `json:"workloadsStatus"` LastPodRefAt string `json:"lastPodRefAt"` }
type NodeSpec ¶
type NodeSpec struct { Name string `json:"name"` Disks map[string]DiskSpec `json:"disks"` AllowScheduling bool `json:"allowScheduling"` Tags []string `json:"tags"` }
func (*NodeSpec) DeepCopyInto ¶
type NodeStatus ¶
type NodeStatus struct { Conditions map[string]Condition `json:"conditions"` DiskStatus map[string]*DiskStatus `json:"diskStatus"` Region string `json:"region"` Zone string `json:"zone"` }
func (*NodeStatus) DeepCopyInto ¶
func (n *NodeStatus) DeepCopyInto(to *NodeStatus)
type NotFoundError ¶
type NotFoundError struct {
Name string
}
func (*NotFoundError) Error ¶
func (e *NotFoundError) Error() string
type PurgeStatus ¶ added in v0.6.0
type RebuildStatus ¶ added in v0.8.0
type RecurringJob ¶
type RecurringJobType ¶
type RecurringJobType string
type ReplicaMode ¶
type ReplicaMode string
type ReplicaSpec ¶
type ReplicaStatus ¶
type ReplicaStatus struct {
InstanceStatus
}
type RestoreStatus ¶ added in v0.6.0
type SettingCategory ¶
type SettingCategory string
type SettingDefinition ¶
type SettingDefinition struct { DisplayName string `json:"displayName"` Description string `json:"description"` Category SettingCategory `json:"category"` Type SettingType `json:"type"` Required bool `json:"required"` ReadOnly bool `json:"readOnly"` Default string `json:"default"` Choices []string `json:"options,omitempty"` // +optional }
type SettingName ¶
type SettingName string
type SettingType ¶
type SettingType string
type VolumeAttachmentRecoveryPolicy ¶ added in v1.0.0
type VolumeAttachmentRecoveryPolicy string
type VolumeFrontend ¶
type VolumeFrontend string
type VolumeRobustness ¶
type VolumeRobustness string
type VolumeSpec ¶
type VolumeSpec struct { Size int64 `json:"size,string"` Frontend VolumeFrontend `json:"frontend"` FromBackup string `json:"fromBackup"` NumberOfReplicas int `json:"numberOfReplicas"` StaleReplicaTimeout int `json:"staleReplicaTimeout"` NodeID string `json:"nodeID"` EngineImage string `json:"engineImage"` RecurringJobs []RecurringJob `json:"recurringJobs"` BaseImage string `json:"baseImage"` Standby bool `json:"Standby"` DiskSelector []string `json:"diskSelector"` NodeSelector []string `json:"nodeSelector"` DisableFrontend bool `json:"disableFrontend"` }
func (*VolumeSpec) DeepCopyInto ¶
func (v *VolumeSpec) DeepCopyInto(to *VolumeSpec)
type VolumeState ¶
type VolumeState string
type VolumeStatus ¶
type VolumeStatus struct { OwnerID string `json:"ownerID"` State VolumeState `json:"state"` Robustness VolumeRobustness `json:"robustness"` CurrentNodeID string `json:"currentNodeID"` CurrentImage string `json:"currentImage"` KubernetesStatus KubernetesStatus `json:"kubernetesStatus"` Conditions map[string]Condition `json:"conditions"` LastBackup string `json:"lastBackup"` LastBackupAt string `json:"lastBackupAt"` PendingNodeID string `json:"pendingNodeID"` FrontendDisabled bool `json:"frontendDisabled"` InitialRestorationRequired bool `json:"initialRestorationRequired"` RestoreInitiated bool `json:"restoreInitiated"` RemountRequired bool `json:"remountRequired"` ExpansionRequired bool `json:"expansionRequired"` IsStandby bool `json:"isStandby"` ActualSize int64 `json:"actualSize"` }
func (*VolumeStatus) DeepCopyInto ¶
func (v *VolumeStatus) DeepCopyInto(to *VolumeStatus)
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