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124 lines
4.4 KiB
Go
124 lines
4.4 KiB
Go
package swarm // import "github.com/docker/docker/api/types/swarm"
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import "time"
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// Service represents a service.
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type Service struct {
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ID string
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Meta
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Spec ServiceSpec `json:",omitempty"`
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PreviousSpec *ServiceSpec `json:",omitempty"`
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Endpoint Endpoint `json:",omitempty"`
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UpdateStatus *UpdateStatus `json:",omitempty"`
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}
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// ServiceSpec represents the spec of a service.
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type ServiceSpec struct {
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Annotations
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// TaskTemplate defines how the service should construct new tasks when
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// orchestrating this service.
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TaskTemplate TaskSpec `json:",omitempty"`
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Mode ServiceMode `json:",omitempty"`
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UpdateConfig *UpdateConfig `json:",omitempty"`
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RollbackConfig *UpdateConfig `json:",omitempty"`
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// Networks field in ServiceSpec is deprecated. The
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// same field in TaskSpec should be used instead.
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// This field will be removed in a future release.
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Networks []NetworkAttachmentConfig `json:",omitempty"`
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EndpointSpec *EndpointSpec `json:",omitempty"`
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}
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// ServiceMode represents the mode of a service.
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type ServiceMode struct {
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Replicated *ReplicatedService `json:",omitempty"`
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Global *GlobalService `json:",omitempty"`
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}
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// UpdateState is the state of a service update.
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type UpdateState string
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const (
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// UpdateStateUpdating is the updating state.
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UpdateStateUpdating UpdateState = "updating"
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// UpdateStatePaused is the paused state.
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UpdateStatePaused UpdateState = "paused"
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// UpdateStateCompleted is the completed state.
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UpdateStateCompleted UpdateState = "completed"
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// UpdateStateRollbackStarted is the state with a rollback in progress.
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UpdateStateRollbackStarted UpdateState = "rollback_started"
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// UpdateStateRollbackPaused is the state with a rollback in progress.
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UpdateStateRollbackPaused UpdateState = "rollback_paused"
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// UpdateStateRollbackCompleted is the state with a rollback in progress.
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UpdateStateRollbackCompleted UpdateState = "rollback_completed"
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)
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// UpdateStatus reports the status of a service update.
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type UpdateStatus struct {
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State UpdateState `json:",omitempty"`
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StartedAt *time.Time `json:",omitempty"`
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CompletedAt *time.Time `json:",omitempty"`
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Message string `json:",omitempty"`
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}
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// ReplicatedService is a kind of ServiceMode.
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type ReplicatedService struct {
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Replicas *uint64 `json:",omitempty"`
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}
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// GlobalService is a kind of ServiceMode.
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type GlobalService struct{}
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const (
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// UpdateFailureActionPause PAUSE
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UpdateFailureActionPause = "pause"
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// UpdateFailureActionContinue CONTINUE
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UpdateFailureActionContinue = "continue"
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// UpdateFailureActionRollback ROLLBACK
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UpdateFailureActionRollback = "rollback"
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// UpdateOrderStopFirst STOP_FIRST
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UpdateOrderStopFirst = "stop-first"
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// UpdateOrderStartFirst START_FIRST
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UpdateOrderStartFirst = "start-first"
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)
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// UpdateConfig represents the update configuration.
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type UpdateConfig struct {
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// Maximum number of tasks to be updated in one iteration.
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// 0 means unlimited parallelism.
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Parallelism uint64
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// Amount of time between updates.
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Delay time.Duration `json:",omitempty"`
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// FailureAction is the action to take when an update failures.
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FailureAction string `json:",omitempty"`
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// Monitor indicates how long to monitor a task for failure after it is
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// created. If the task fails by ending up in one of the states
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// REJECTED, COMPLETED, or FAILED, within Monitor from its creation,
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// this counts as a failure. If it fails after Monitor, it does not
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// count as a failure. If Monitor is unspecified, a default value will
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// be used.
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Monitor time.Duration `json:",omitempty"`
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// MaxFailureRatio is the fraction of tasks that may fail during
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// an update before the failure action is invoked. Any task created by
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// the current update which ends up in one of the states REJECTED,
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// COMPLETED or FAILED within Monitor from its creation counts as a
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// failure. The number of failures is divided by the number of tasks
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// being updated, and if this fraction is greater than
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// MaxFailureRatio, the failure action is invoked.
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//
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// If the failure action is CONTINUE, there is no effect.
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// If the failure action is PAUSE, no more tasks will be updated until
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// another update is started.
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MaxFailureRatio float32
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// Order indicates the order of operations when rolling out an updated
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// task. Either the old task is shut down before the new task is
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// started, or the new task is started before the old task is shut down.
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Order string
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}
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