blob: d5a57df5db5a772b9a5fdaf6e0f1582bfe5387e8 [file] [log] [blame]
package swarm // import ""
import (
// TaskState represents the state of a task.
type TaskState string
const (
// TaskStateNew NEW
TaskStateNew TaskState = "new"
// TaskStateAllocated ALLOCATED
TaskStateAllocated TaskState = "allocated"
// TaskStatePending PENDING
TaskStatePending TaskState = "pending"
// TaskStateAssigned ASSIGNED
TaskStateAssigned TaskState = "assigned"
// TaskStateAccepted ACCEPTED
TaskStateAccepted TaskState = "accepted"
// TaskStatePreparing PREPARING
TaskStatePreparing TaskState = "preparing"
// TaskStateReady READY
TaskStateReady TaskState = "ready"
// TaskStateStarting STARTING
TaskStateStarting TaskState = "starting"
// TaskStateRunning RUNNING
TaskStateRunning TaskState = "running"
// TaskStateComplete COMPLETE
TaskStateComplete TaskState = "complete"
// TaskStateShutdown SHUTDOWN
TaskStateShutdown TaskState = "shutdown"
// TaskStateFailed FAILED
TaskStateFailed TaskState = "failed"
// TaskStateRejected REJECTED
TaskStateRejected TaskState = "rejected"
// TaskStateRemove REMOVE
TaskStateRemove TaskState = "remove"
// TaskStateOrphaned ORPHANED
TaskStateOrphaned TaskState = "orphaned"
// Task represents a task.
type Task struct {
ID string
Spec TaskSpec `json:",omitempty"`
ServiceID string `json:",omitempty"`
Slot int `json:",omitempty"`
NodeID string `json:",omitempty"`
Status TaskStatus `json:",omitempty"`
DesiredState TaskState `json:",omitempty"`
NetworksAttachments []NetworkAttachment `json:",omitempty"`
GenericResources []GenericResource `json:",omitempty"`
// TaskSpec represents the spec of a task.
type TaskSpec struct {
// ContainerSpec, NetworkAttachmentSpec, and PluginSpec are mutually exclusive.
// PluginSpec is only used when the `Runtime` field is set to `plugin`
// NetworkAttachmentSpec is used if the `Runtime` field is set to
// `attachment`.
ContainerSpec *ContainerSpec `json:",omitempty"`
PluginSpec *runtime.PluginSpec `json:",omitempty"`
NetworkAttachmentSpec *NetworkAttachmentSpec `json:",omitempty"`
Resources *ResourceRequirements `json:",omitempty"`
RestartPolicy *RestartPolicy `json:",omitempty"`
Placement *Placement `json:",omitempty"`
Networks []NetworkAttachmentConfig `json:",omitempty"`
// LogDriver specifies the LogDriver to use for tasks created from this
// spec. If not present, the one on cluster default on swarm.Spec will be
// used, finally falling back to the engine default if not specified.
LogDriver *Driver `json:",omitempty"`
// ForceUpdate is a counter that triggers an update even if no relevant
// parameters have been changed.
ForceUpdate uint64
Runtime RuntimeType `json:",omitempty"`
// Resources represents resources (CPU/Memory).
type Resources struct {
NanoCPUs int64 `json:",omitempty"`
MemoryBytes int64 `json:",omitempty"`
GenericResources []GenericResource `json:",omitempty"`
// GenericResource represents a "user defined" resource which can
// be either an integer (e.g: SSD=3) or a string (e.g: SSD=sda1)
type GenericResource struct {
NamedResourceSpec *NamedGenericResource `json:",omitempty"`
DiscreteResourceSpec *DiscreteGenericResource `json:",omitempty"`
// NamedGenericResource represents a "user defined" resource which is defined
// as a string.
// "Kind" is used to describe the Kind of a resource (e.g: "GPU", "FPGA", "SSD", ...)
// Value is used to identify the resource (GPU="UUID-1", FPGA="/dev/sdb5", ...)
type NamedGenericResource struct {
Kind string `json:",omitempty"`
Value string `json:",omitempty"`
// DiscreteGenericResource represents a "user defined" resource which is defined
// as an integer
// "Kind" is used to describe the Kind of a resource (e.g: "GPU", "FPGA", "SSD", ...)
// Value is used to count the resource (SSD=5, HDD=3, ...)
type DiscreteGenericResource struct {
Kind string `json:",omitempty"`
Value int64 `json:",omitempty"`
// ResourceRequirements represents resources requirements.
type ResourceRequirements struct {
Limits *Resources `json:",omitempty"`
Reservations *Resources `json:",omitempty"`
// Placement represents orchestration parameters.
type Placement struct {
Constraints []string `json:",omitempty"`
Preferences []PlacementPreference `json:",omitempty"`
MaxReplicas uint64 `json:",omitempty"`
// Platforms stores all the platforms that the image can run on.
// This field is used in the platform filter for scheduling. If empty,
// then the platform filter is off, meaning there are no scheduling restrictions.
Platforms []Platform `json:",omitempty"`
// PlacementPreference provides a way to make the scheduler aware of factors
// such as topology.
type PlacementPreference struct {
Spread *SpreadOver
// SpreadOver is a scheduling preference that instructs the scheduler to spread
// tasks evenly over groups of nodes identified by labels.
type SpreadOver struct {
// label descriptor, such as
SpreadDescriptor string
// RestartPolicy represents the restart policy.
type RestartPolicy struct {
Condition RestartPolicyCondition `json:",omitempty"`
Delay *time.Duration `json:",omitempty"`
MaxAttempts *uint64 `json:",omitempty"`
Window *time.Duration `json:",omitempty"`
// RestartPolicyCondition represents when to restart.
type RestartPolicyCondition string
const (
// RestartPolicyConditionNone NONE
RestartPolicyConditionNone RestartPolicyCondition = "none"
// RestartPolicyConditionOnFailure ON_FAILURE
RestartPolicyConditionOnFailure RestartPolicyCondition = "on-failure"
// RestartPolicyConditionAny ANY
RestartPolicyConditionAny RestartPolicyCondition = "any"
// TaskStatus represents the status of a task.
type TaskStatus struct {
Timestamp time.Time `json:",omitempty"`
State TaskState `json:",omitempty"`
Message string `json:",omitempty"`
Err string `json:",omitempty"`
ContainerStatus *ContainerStatus `json:",omitempty"`
PortStatus PortStatus `json:",omitempty"`
// ContainerStatus represents the status of a container.
type ContainerStatus struct {
ContainerID string
PID int
ExitCode int
// PortStatus represents the port status of a task's host ports whose
// service has published host ports
type PortStatus struct {
Ports []PortConfig `json:",omitempty"`