state

package
v0.1.5 Latest Latest
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 Go to latest Published: Feb 27, 2017 License: Apache-2.0 Imports: 23 Imported by: 0

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Index

Constants

View Source 
const (
	APP_STATE_NORMAL                 = "normal"
	APP_STATE_MARK_FOR_CREATING      = "creating"
	APP_STATE_MARK_FOR_DELETION      = "deleting"
	APP_STATE_MARK_FOR_UPDATING      = "updating"
	APP_STATE_MARK_FOR_CANCEL_UPDATE = "cancel_update"
	APP_STATE_MARK_FOR_SCALE_UP      = "scale_up"
	APP_STATE_MARK_FOR_SCALE_DOWN    = "scale_down"
)
View Source 
const (
	SLOT_STATE_PENDING_OFFER = "slot_task_pending_offer"
	SLOT_STATE_PENDING_KILL  = "slot_task_pending_killed"
	SLOT_STATE_REAP          = "slot_task_reap"

	SLOT_STATE_TASK_STAGING          = "slot_task_staging"
	SLOT_STATE_TASK_STARTING         = "slot_task_starting"
	SLOT_STATE_TASK_RUNNING          = "slot_task_running"
	SLOT_STATE_TASK_KILLING          = "slot_task_killing"
	SLOT_STATE_TASK_FINISHED         = "slot_task_finished"
	SLOT_STATE_TASK_FAILED           = "slot_task_failed"
	SLOT_STATE_TASK_KILLED           = "slot_task_killed"
	SLOT_STATE_TASK_ERROR            = "slot_task_error"
	SLOT_STATE_TASK_LOST             = "slot_task_lost"
	SLOT_STATE_TASK_DROPPED          = "slot_task_dropped"
	SLOT_STATE_TASK_UNREACHABLE      = "slot_task_unreachable"
	SLOT_STATE_TASK_GONE             = "slot_task_gone"
	SLOT_STATE_TASK_GONE_BY_OPERATOR = "slot_task_gone_by_operator"
	SLOT_STATE_TASK_UNKNOWN          = "slot_task_unknown"
)
View Source 
const AND = 57346
View Source 
const CONTAINS = 57350
View Source 
const EQUAL = 57352
View Source 
const IDENTIFIER = 57353
View Source 
const LIKE = 57349
View Source 
const NOT = 57351
View Source 
const OR = 57347
View Source 
const (
	SWAN_RESERVED_NETWORK = "swan"
)
View Source 
const UNIQUE = 57348

Variables

This section is empty.

Functions

func AppToRaft 

func AppToRaft(app *App) *rafttypes.Application

func ContainerFromRaft 

func ContainerFromRaft(raftContainer *rafttypes.Container) *types.Container

func ContainerToRaft 

func ContainerToRaft(container *types.Container) *rafttypes.Container

func DockerFromRaft 

func DockerFromRaft(raftDocker *rafttypes.Docker) *types.Docker

func DockerToRaft 

func DockerToRaft(docker *types.Docker) *rafttypes.Docker

func HealthCheckFromRaft 

func HealthCheckFromRaft(raftHealthCheck *rafttypes.HealthCheck) *types.HealthCheck

func HealthCheckToRaft 

func HealthCheckToRaft(healthCheck *types.HealthCheck) *rafttypes.HealthCheck

func KillPolicyFromRaft 

func KillPolicyFromRaft(raftKillPolicy *rafttypes.KillPolicy) *types.KillPolicy

func KillPolicyToRaft 

func KillPolicyToRaft(killPolicy *types.KillPolicy) *rafttypes.KillPolicy

func LoadAppData 

func LoadAppData(userEventChan chan *event.UserEvent) (map[string]*App, error)

load app data frm persistent data

func LoadOfferAllocatorMap 

func LoadOfferAllocatorMap() (map[string]*OfferInfo, error)

func OfferAllocatorItemToRaft 

func OfferAllocatorItemToRaft(slotID string, offerInfo *OfferInfo) *rafttypes.OfferAllocatorItem

func ParameterFromRaft 

func ParameterFromRaft(raftParameter *rafttypes.Parameter) *types.Parameter

func ParameterToRaft 

func ParameterToRaft(parameter *types.Parameter) *rafttypes.Parameter

func PortMappingFromRaft 

func PortMappingFromRaft(raftPortMapping *rafttypes.PortMapping) *types.PortMapping

func PortMappingToRaft 

func PortMappingToRaft(portMapping *types.PortMapping) *rafttypes.PortMapping

func SetStore 

func SetStore(newStore store.Store)

func SlotToRaft 

func SlotToRaft(slot *Slot) *rafttypes.Slot

func TaskToRaft 

func TaskToRaft(task *Task) *rafttypes.Task

func UpdatePolicyFromRaft 

func UpdatePolicyFromRaft(raftUpdatePolicy *rafttypes.UpdatePolicy) *types.UpdatePolicy

func UpdatePolicyToRaft 

func UpdatePolicyToRaft(updatePolicy *types.UpdatePolicy) *rafttypes.UpdatePolicy

func VersionFromRaft 

func VersionFromRaft(raftVersion *rafttypes.Version) *types.Version

func VersionToRaft 

func VersionToRaft(version *types.Version, appID string) *rafttypes.Version

func VolumeFromFaft 

func VolumeFromFaft(raftVolume *rafttypes.Volume) *types.Volume

func VolumeToRaft 

func VolumeToRaft(volume *types.Volume) *rafttypes.Volume

func WithConvertApp 

func WithConvertApp(ctx context.Context, app *App, cb func(), action func(ctx context.Context, app *rafttypes.Application, cb func()) error) error

func WithConvertSlot 

func WithConvertSlot(ctx context.Context, slot *Slot, cb func(), action func(ctx context.Context, slot *rafttypes.Slot, cb func()) error) error

func WithConvertTask 

func WithConvertTask(ctx context.Context, task *Task, cb func(), action func(ctx context.Context, task *rafttypes.Task, cb func()) error) error

Types

type AndStatement added in v0.1.3 

type AndStatement struct {
	Op1 Statement
	Op2 Statement
}

and (unique hostname) (unique ip) and (not (unique hostname)) (unique ip)

func (*AndStatement) Eval added in v0.1.3 

func (as *AndStatement) Eval() bool

func (*AndStatement) SetContext added in v0.1.3 

func (as *AndStatement) SetContext(ctx *ConstraintParamHolder)

func (*AndStatement) Valid added in v0.1.3 

func (as *AndStatement) Valid() error

type App 

type App struct {
	ID       string           `json:"id"`
	Name     string           `json:"name"`
	Versions []*types.Version `json:"versions"`

	// app run with CurrentVersion config
	CurrentVersion *types.Version `json:"current_version"`
	// use when app updated, ProposedVersion can either be commit or revert
	ProposedVersion *types.Version `json:"proposed_version"`

	Mode AppMode `json:"mode"` // fixed or repliactes

	Created time.Time
	Updated time.Time

	State     string
	ClusterID string

	UserEventChan chan *event.UserEvent
	// contains filtered or unexported fields
}

func NewApp 

func NewApp(version *types.Version,
	userEventChan chan *event.UserEvent) (*App, error)

func (*App) BeginTx 

func (app *App) BeginTx()

func (*App) BuildAppEvent 

func (app *App) BuildAppEvent(eventType string) *swanevent.Event

func (*App) CanBeCleanAfterDeletion 

func (app *App) CanBeCleanAfterDeletion() bool

func (*App) CancelUpdate 

func (app *App) CancelUpdate() error

func (*App) Commit 

func (app *App) Commit()

here we persist the app anyway, no matter it touched or not

func (*App) Delete 

func (app *App) Delete() error

delete a application and all related objects: versions, tasks, slots, proxies, dns record

func (*App) EmitAppEvent 

func (app *App) EmitAppEvent(eventType string)

func (*App) EmitEvent 

func (app *App) EmitEvent(swanEvent *swanevent.Event)

func (*App) GetSlot 

func (app *App) GetSlot(index int) (*Slot, bool)

func (*App) GetSlots 

func (app *App) GetSlots() []*Slot

func (*App) IsFixed 

func (app *App) IsFixed() bool

func (*App) IsReplicates 

func (app *App) IsReplicates() bool

func (*App) MarkForDeletionInstances 

func (app *App) MarkForDeletionInstances() int

func (*App) ProceedingRollingUpdate 

func (app *App) ProceedingRollingUpdate(instances int) error

func (*App) Reevaluate 

func (app *App) Reevaluate()

func (*App) Remove 

func (app *App) Remove()

1, remove app from persisted storage 2, other cleanup process

func (*App) RemoveSlot 

func (app *App) RemoveSlot(index int)

func (*App) RollingUpdateInstances 

func (app *App) RollingUpdateInstances() int

func (*App) RunningInstances 

func (app *App) RunningInstances() int

func (*App) ScaleDown 

func (app *App) ScaleDown(removeInstances int) error

func (*App) ScaleUp 

func (app *App) ScaleUp(newInstances int, newIps []string) error

also need user pass ip here

func (*App) ServiceDiscoveryURL added in v0.1.3 

func (app *App) ServiceDiscoveryURL() string

func (*App) SetSlot 

func (app *App) SetSlot(index int, slot *Slot)

func (*App) SetState 

func (app *App) SetState(state string)

func (*App) StateIs 

func (app *App) StateIs(state string) bool

func (*App) Touch 

func (app *App) Touch(force bool)

storage related

func (*App) Update 

func (app *App) Update(version *types.Version, store store.Store) error

update application by follower steps

  1. check app state: if app state if not APP_STATE_NORMAL or app's propose version is not nil we can not update app, because that means target app maybe is in updateing.
  2. set the new version to the app's propose version.
  3. persist app data, and set the app's state to APP_STATE_MARK_FOR_UPDATING
  4. update slot version to propose version
  5. after all slot version update success. put the current version to version history and set the propose version as current version, set propose version to nil.
  6. set app's state to APP_STATE_NORMAL.

type AppMode 

type AppMode string
var (
	APP_MODE_FIXED      AppMode = "fixed"
	APP_MODE_REPLICATES AppMode = "replicates"
)

type AppsByUpdated added in v0.1.3 

type AppsByUpdated []*App

func (AppsByUpdated) Len added in v0.1.3 

func (a AppsByUpdated) Len() int

func (AppsByUpdated) Less added in v0.1.3 

func (a AppsByUpdated) Less(i, j int) bool

func (AppsByUpdated) Swap added in v0.1.3 

func (a AppsByUpdated) Swap(i, j int)

type ConstraintParamHolder added in v0.1.3 

type ConstraintParamHolder struct {
	Slot  *Slot
	Offer *mesos.Offer
}

type ConstraintParser added in v0.1.3 

type ConstraintParser struct {
	scanner.Scanner
	// contains filtered or unexported fields
}

func (*ConstraintParser) Error added in v0.1.3 

func (l *ConstraintParser) Error(e string)

func (*ConstraintParser) Lex added in v0.1.3 

func (l *ConstraintParser) Lex(lval *yySymType) int

type ContainsStatement added in v0.1.3 

type ContainsStatement struct {
	ConstraintParamHolder
	What  string
	Regex string
}

contains hostname barfoo

func (*ContainsStatement) Eval added in v0.1.3 

func (cs *ContainsStatement) Eval() bool

func (*ContainsStatement) SetContext added in v0.1.3 

func (cs *ContainsStatement) SetContext(ctx *ConstraintParamHolder)

func (*ContainsStatement) Valid added in v0.1.3 

func (cs *ContainsStatement) Valid() error

type EqualStatement added in v0.1.5 

type EqualStatement struct {
	ConstraintParamHolder
	What  string
	Regex string
}

equal hostname xxxx

func (*EqualStatement) Eval added in v0.1.5 

func (ls *EqualStatement) Eval() bool

func (*EqualStatement) SetContext added in v0.1.5 

func (ls *EqualStatement) SetContext(ctx *ConstraintParamHolder)

func (*EqualStatement) Valid added in v0.1.5 

func (ls *EqualStatement) Valid() error

type LikeStatement added in v0.1.3 

type LikeStatement struct {
	ConstraintParamHolder
	What  string
	Regex string
}

like hostname foobar*

func (*LikeStatement) Eval added in v0.1.3 

func (ls *LikeStatement) Eval() bool

func (*LikeStatement) SetContext added in v0.1.3 

func (ls *LikeStatement) SetContext(ctx *ConstraintParamHolder)

func (*LikeStatement) Valid added in v0.1.3 

func (ls *LikeStatement) Valid() error

type NotStatement added in v0.1.3 

type NotStatement struct {
	Op1 Statement
}

not (unique hostname)

func (*NotStatement) Eval added in v0.1.3 

func (ns *NotStatement) Eval() bool

func (*NotStatement) SetContext added in v0.1.3 

func (ns *NotStatement) SetContext(ctx *ConstraintParamHolder)

func (*NotStatement) Valid added in v0.1.3 

func (ns *NotStatement) Valid() error

type OfferAllocator 

type OfferAllocator struct {
	PendingOfferSlots []*Slot

	AllocatedOffer map[string]*OfferInfo // we store every offer that are occupied by running slot
	// contains filtered or unexported fields
}

func OfferAllocatorInstance 

func OfferAllocatorInstance() *OfferAllocator

func (*OfferAllocator) PopNextPendingOffer 

func (allocator *OfferAllocator) PopNextPendingOffer() *Slot

func (*OfferAllocator) PutSlotBackToPendingQueue 

func (allocator *OfferAllocator) PutSlotBackToPendingQueue(slot *Slot)

func (*OfferAllocator) RemoveOfferSlotMapByOfferId 

func (allocator *OfferAllocator) RemoveOfferSlotMapByOfferId(offerId string)

func (*OfferAllocator) RemoveOfferSlotMapBySlot 

func (allocator *OfferAllocator) RemoveOfferSlotMapBySlot(slot *Slot)

func (*OfferAllocator) RemoveSlotFromAllocator added in v0.1.3 

func (allocator *OfferAllocator) RemoveSlotFromAllocator(slot *Slot)

func (*OfferAllocator) RemoveSlotFromPendingOfferQueue 

func (allocator *OfferAllocator) RemoveSlotFromPendingOfferQueue(slot *Slot)

func (*OfferAllocator) RetrieveSlotIdWithOfferId added in v0.1.3 

func (allocator *OfferAllocator) RetrieveSlotIdWithOfferId(offerId string) (string, error)

func (*OfferAllocator) SetOfferSlotMap 

func (allocator *OfferAllocator) SetOfferSlotMap(offer *mesos.Offer, slot *Slot)

func (*OfferAllocator) SlotsByAgentID added in v0.1.3 

func (allocator *OfferAllocator) SlotsByAgentID(agentID string) []string

func (*OfferAllocator) SlotsByHostname added in v0.1.3 

func (allocator *OfferAllocator) SlotsByHostname(hostname string) []string

type OfferInfo added in v0.1.3 

type OfferInfo struct {
	OfferID  string
	AgentID  string
	Hostname string
	AgentIP  string
}

func OfferAllocatorItemFromRaft 

func OfferAllocatorItemFromRaft(item *rafttypes.OfferAllocatorItem) (slotID string, offerInfo *OfferInfo)

type OfferWrapper 

type OfferWrapper struct {
	Offer        *mesos.Offer
	CpusUsed     float64
	MemUsed      float64
	DiskUsed     float64
	PortUsedSize int
}

wrapper offer to record offer reserve history

func NewOfferWrapper 

func NewOfferWrapper(offer *mesos.Offer) *OfferWrapper

func (*OfferWrapper) CpuRemain 

func (ow *OfferWrapper) CpuRemain() float64

func (*OfferWrapper) DiskRemain 

func (ow *OfferWrapper) DiskRemain() float64

func (*OfferWrapper) MemRemain 

func (ow *OfferWrapper) MemRemain() float64

func (*OfferWrapper) PortsRemain 

func (ow *OfferWrapper) PortsRemain() []uint64

type OrStatement added in v0.1.3 

type OrStatement struct {
	ConstraintParamHolder
	Op1 Statement
	Op2 Statement
}

or (like ip foobar) (unique hostname)

func (*OrStatement) Eval added in v0.1.3 

func (os *OrStatement) Eval() bool

func (*OrStatement) SetContext added in v0.1.3 

func (os *OrStatement) SetContext(ctx *ConstraintParamHolder)

func (*OrStatement) Valid added in v0.1.3 

func (os *OrStatement) Valid() error

type RestartPolicy 

type RestartPolicy struct {
	BackoffSeconds        time.Duration
	BackoffFactor         float64
	MaxLaunchDelaySeconds time.Duration
	// contains filtered or unexported fields
}

func NewRestartPolicy 

func NewRestartPolicy(slot *Slot, BackoffSeconds time.Duration, BackoffFactor float64,
	MaxLaunchDelaySeconds time.Duration, restartFunc TestAndRestartFunc) *RestartPolicy

func (*RestartPolicy) Stop 

func (rs *RestartPolicy) Stop()

type Slot 

type Slot struct {
	Index   int
	ID      string
	App     *App
	Version *types.Version
	State   string

	CurrentTask *Task
	TaskHistory []*Task

	OfferID       string
	AgentID       string
	Ip            string
	AgentHostName string
	// contains filtered or unexported fields
}

func LoadAppSlots 

func LoadAppSlots(app *App) ([]*Slot, error)

func NewSlot 

func NewSlot(app *App, version *types.Version, index int) *Slot

func SlotFromRaft 

func SlotFromRaft(raftSlot *rafttypes.Slot) *Slot

func (*Slot) Abnormal 

func (slot *Slot) Abnormal() bool

func (*Slot) Archive 

func (slot *Slot) Archive()

func (*Slot) BeginTx 

func (slot *Slot) BeginTx()

func (*Slot) BuildTaskEvent 

func (slot *Slot) BuildTaskEvent(eventType string) *swanevent.Event

func (*Slot) Commit 

func (slot *Slot) Commit()

here we persist the app anyway, no matter it touched or not

func (*Slot) DispatchNewTask 

func (slot *Slot) DispatchNewTask(version *types.Version)

func (*Slot) Dispatched 

func (slot *Slot) Dispatched() bool

func (*Slot) EmitTaskEvent 

func (slot *Slot) EmitTaskEvent(eventType string)

func (*Slot) Healthy 

func (slot *Slot) Healthy() bool

func (*Slot) Kill 

func (slot *Slot) Kill()

kill task and make slot sweeped after successfully kill task

func (*Slot) KillTask 

func (slot *Slot) KillTask()

kill task doesn't need cleanup slot from app.Slots

func (*Slot) MarkForDeletion 

func (slot *Slot) MarkForDeletion() bool

func (*Slot) MarkForRollingUpdate 

func (slot *Slot) MarkForRollingUpdate() bool

func (*Slot) Normal 

func (slot *Slot) Normal() bool

func (*Slot) Remove 

func (slot *Slot) Remove()

func (*Slot) ReserveOfferAndPrepareTaskInfo 

func (slot *Slot) ReserveOfferAndPrepareTaskInfo(ow *OfferWrapper) (*OfferWrapper, *mesos.TaskInfo)

func (*Slot) ResourcesNeeded 

func (slot *Slot) ResourcesNeeded() []*mesos.Resource

func (*Slot) ResourcesUsed 

func (slot *Slot) ResourcesUsed() *SlotResource

func (*Slot) ServiceDiscoveryURL added in v0.1.3 

func (slot *Slot) ServiceDiscoveryURL() string

func (*Slot) SetHealthy 

func (slot *Slot) SetHealthy(healthy bool)

func (*Slot) SetMarkForDeletion 

func (slot *Slot) SetMarkForDeletion(deletion bool)

func (*Slot) SetMarkForRollingUpdate 

func (slot *Slot) SetMarkForRollingUpdate(rollingUpdate bool)

func (*Slot) SetState 

func (slot *Slot) SetState(state string) error

func (*Slot) StateIs 

func (slot *Slot) StateIs(state string) bool

func (*Slot) StopRestartPolicy 

func (slot *Slot) StopRestartPolicy()

func (*Slot) TestOfferMatch 

func (slot *Slot) TestOfferMatch(ow *OfferWrapper) bool

func (*Slot) Touch 

func (slot *Slot) Touch(force bool)

func (*Slot) UpdateOfferInfo 

func (slot *Slot) UpdateOfferInfo(offer *mesos.Offer) error

func (*Slot) UpdateTask 

func (slot *Slot) UpdateTask(version *types.Version, isRollingUpdate bool)

type SlotResource 

type SlotResource struct {
	CPU  float64
	Mem  float64
	Disk float64
}

type SlotsById 

type SlotsById []*Slot

func (SlotsById) Len 

func (a SlotsById) Len() int

func (SlotsById) Less 

func (a SlotsById) Less(i, j int) bool

func (SlotsById) Swap 

func (a SlotsById) Swap(i, j int)

type Statement added in v0.1.3 

type Statement interface {
	Eval() bool
	Valid() error
	SetContext(ctx *ConstraintParamHolder)
}

func ParseConstraint added in v0.1.3 

func ParseConstraint(c string) (Statement, error)

type Task 

type Task struct {
	ID      string
	Version *types.Version
	Slot    *Slot

	State  string
	Stdout string
	Stderr string

	HostPorts     []uint64
	OfferID       string
	AgentID       string
	Ip            string
	AgentHostName string

	Reason  string // mesos updateStatus field
	Message string // mesos updateStatus field
	Source  string // mesos updateStatus field

	Created    time.Time
	ArchivedAt time.Time
	// contains filtered or unexported fields
}

func NewTask 

func NewTask(version *types.Version, slot *Slot) *Task

func TaskFromRaft 

func TaskFromRaft(raftTask *rafttypes.Task) *Task

func (*Task) Kill 

func (task *Task) Kill()

func (*Task) PrepareTaskInfo 

func (task *Task) PrepareTaskInfo(ow *OfferWrapper) *mesos.TaskInfo

type TaskBuilder 

type TaskBuilder struct {
	HostPorts []uint64
	// contains filtered or unexported fields
}

func NewTaskBuilder 

func NewTaskBuilder(task *Task) *TaskBuilder

func (*TaskBuilder) AppendContainerDockerEnvironments 

func (builder *TaskBuilder) AppendContainerDockerEnvironments(envs map[string]string) *TaskBuilder

func (*TaskBuilder) AppendContainerDockerParameters 

func (builder *TaskBuilder) AppendContainerDockerParameters(parameters []*types.Parameter) *TaskBuilder

func (*TaskBuilder) AppendContainerDockerVolumes 

func (builder *TaskBuilder) AppendContainerDockerVolumes(volumes []*types.Volume) *TaskBuilder

func (*TaskBuilder) AppendTaskInfoLabels 

func (builder *TaskBuilder) AppendTaskInfoLabels(labelMap map[string]string) *TaskBuilder

func (*TaskBuilder) GetTaskInfo 

func (builder *TaskBuilder) GetTaskInfo() *mesos.TaskInfo

func (*TaskBuilder) SetAgentId 

func (builder *TaskBuilder) SetAgentId(agentId string) *TaskBuilder

func (*TaskBuilder) SetCommand 

func (builder *TaskBuilder) SetCommand(needShell bool, cmd string, args []string) *TaskBuilder

func (*TaskBuilder) SetContainerDockerForcePullImage 

func (builder *TaskBuilder) SetContainerDockerForcePullImage(force bool) *TaskBuilder

func (*TaskBuilder) SetContainerDockerImage 

func (builder *TaskBuilder) SetContainerDockerImage(image string) *TaskBuilder

func (*TaskBuilder) SetContainerDockerPrivileged 

func (builder *TaskBuilder) SetContainerDockerPrivileged(privileged bool) *TaskBuilder

func (*TaskBuilder) SetContainerType 

func (builder *TaskBuilder) SetContainerType(containerType string) *TaskBuilder

func (*TaskBuilder) SetHealthCheck 

func (builder *TaskBuilder) SetHealthCheck(healthChecks []*types.HealthCheck) *TaskBuilder

func (*TaskBuilder) SetName 

func (builder *TaskBuilder) SetName(name string) *TaskBuilder

func (*TaskBuilder) SetNetwork 

func (builder *TaskBuilder) SetNetwork(network string, portsAvailable []uint64) *TaskBuilder

func (*TaskBuilder) SetResources 

func (builder *TaskBuilder) SetResources(resources []*mesos.Resource) *TaskBuilder

func (*TaskBuilder) SetTaskId 

func (builder *TaskBuilder) SetTaskId(taskId string) *TaskBuilder

func (*TaskBuilder) SetURIs 

func (builder *TaskBuilder) SetURIs(uriList []string) *TaskBuilder

type TestAndRestartFunc 

type TestAndRestartFunc func(slot *Slot) bool

type UniqueStatment added in v0.1.3 

type UniqueStatment struct {
	ConstraintParamHolder
	What string
}

(unique hostname)

func (*UniqueStatment) Eval added in v0.1.3 

func (us *UniqueStatment) Eval() bool

func (*UniqueStatment) SetContext added in v0.1.3 

func (us *UniqueStatment) SetContext(ctx *ConstraintParamHolder)

func (*UniqueStatment) Valid added in v0.1.3 

func (us *UniqueStatment) Valid() error

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