Documentation

Index

Constants

View Source
const (
	// OriginStart and OriginEnd are the available parameters for the origin
	// argument when streaming a file. They respectively offset from the start
	// and end of a file.
	OriginStart = "start"
	OriginEnd   = "end"
)
View Source
const (
	// JobTypeService indicates a long-running processes
	JobTypeService = "service"

	// JobTypeBatch indicates a short-lived process
	JobTypeBatch = "batch"

	// PeriodicSpecCron is used for a cron spec.
	PeriodicSpecCron = "cron"
)
View Source
const (
	TaskSetup                  = "Task Setup"
	TaskSetupFailure           = "Setup Failure"
	TaskDriverFailure          = "Driver Failure"
	TaskDriverMessage          = "Driver"
	TaskReceived               = "Received"
	TaskFailedValidation       = "Failed Validation"
	TaskStarted                = "Started"
	TaskTerminated             = "Terminated"
	TaskKilling                = "Killing"
	TaskKilled                 = "Killed"
	TaskRestarting             = "Restarting"
	TaskNotRestarting          = "Not Restarting"
	TaskDownloadingArtifacts   = "Downloading Artifacts"
	TaskArtifactDownloadFailed = "Failed Artifact Download"
	TaskSiblingFailed          = "Sibling Task Failed"
	TaskSignaling              = "Signaling"
	TaskRestartSignal          = "Restart Signaled"
	TaskLeaderDead             = "Leader Task Dead"
	TaskBuildingTaskDir        = "Building Task Directory"
	TaskGenericMessage         = "Generic"
)
View Source
const (
	// RegisterEnforceIndexErrPrefix is the prefix to use in errors caused by
	// enforcing the job modify index during registers.
	RegisterEnforceIndexErrPrefix = "Enforcing job modify index"
)

Variables

View Source
var (
	// NodeDownErr marks an operation as not able to complete since the node is
	// down.
	NodeDownErr = fmt.Errorf("node down")
)

Functions

This section is empty.

Types

type Agent

type Agent struct {
	// contains filtered or unexported fields
}

Agent encapsulates an API client which talks to Nomad's agent endpoints for a specific node.

func (*Agent) Datacenter

func (a *Agent) Datacenter() (string, error)

Datacenter is used to return the name of the datacenter which the agent is a member of.

func (*Agent) ForceLeave

func (a *Agent) ForceLeave(node string) error

ForceLeave is used to eject an existing node from the cluster.

func (*Agent) InstallKey

func (a *Agent) InstallKey(key string) (*KeyringResponse, error)

InstallKey installs a key in the keyrings of all the serf members

func (*Agent) Join

func (a *Agent) Join(addrs ...string) (int, error)

Join is used to instruct a server node to join another server via the gossip protocol. Multiple addresses may be specified. We attempt to join all of the hosts in the list. Returns the number of nodes successfully joined and any error. If one or more nodes have a successful result, no error is returned.

func (*Agent) ListKeys

func (a *Agent) ListKeys() (*KeyringResponse, error)

ListKeys returns the list of installed keys

func (*Agent) Members

func (a *Agent) Members() (*ServerMembers, error)

Members is used to query all of the known server members

func (*Agent) NodeName

func (a *Agent) NodeName() (string, error)

NodeName is used to query the Nomad agent for its node name.

func (*Agent) Region

func (a *Agent) Region() (string, error)

Region is used to look up the region the agent is in.

func (*Agent) RemoveKey

func (a *Agent) RemoveKey(key string) (*KeyringResponse, error)

RemoveKey removes a particular key from keyrings of serf members

func (*Agent) Self

func (a *Agent) Self() (*AgentSelf, error)

Self is used to query the /v1/agent/self endpoint and returns information specific to the running agent.

func (*Agent) Servers

func (a *Agent) Servers() ([]string, error)

Servers is used to query the list of servers on a client node.

func (*Agent) SetServers

func (a *Agent) SetServers(addrs []string) error

SetServers is used to update the list of servers on a client node.

func (*Agent) UseKey

func (a *Agent) UseKey(key string) (*KeyringResponse, error)

UseKey uses a key from the keyring of serf members

type AgentMember

type AgentMember struct {
	Name        string
	Addr        string
	Port        uint16
	Tags        map[string]string
	Status      string
	ProtocolMin uint8
	ProtocolMax uint8
	ProtocolCur uint8
	DelegateMin uint8
	DelegateMax uint8
	DelegateCur uint8
}

AgentMember represents a cluster member known to the agent

type AgentMembersNameSort

type AgentMembersNameSort []*AgentMember

AgentMembersNameSort implements sort.Interface for []*AgentMembersNameSort based on the Name, DC and Region

func (AgentMembersNameSort) Len

func (a AgentMembersNameSort) Len() int

func (AgentMembersNameSort) Less

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

func (AgentMembersNameSort) Swap

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

type AgentSelf

type AgentSelf struct {
	Config map[string]interface{}       `json:"config"`
	Member AgentMember                  `json:"member"`
	Stats  map[string]map[string]string `json:"stats"`
}

type AllocDeploymentStatus

type AllocDeploymentStatus struct {
	Healthy     *bool
	ModifyIndex uint64
}

AllocDeploymentStatus captures the status of the allocation as part of the deployment. This can include things like if the allocation has been marked as heatlhy.

type AllocFS

type AllocFS struct {
	// contains filtered or unexported fields
}

AllocFS is used to introspect an allocation directory on a Nomad client

func (*AllocFS) Cat

func (a *AllocFS) Cat(alloc *Allocation, path string, q *QueryOptions) (io.ReadCloser, error)

Cat is used to read contents of a file at the given path in an allocation directory

func (*AllocFS) List

func (a *AllocFS) List(alloc *Allocation, path string, q *QueryOptions) ([]*AllocFileInfo, *QueryMeta, error)

List is used to list the files at a given path of an allocation directory

func (*AllocFS) Logs

func (a *AllocFS) Logs(alloc *Allocation, follow bool, task, logType, origin string,
	offset int64, cancel <-chan struct{}, q *QueryOptions) (<-chan *StreamFrame, error)

Logs streams the content of a tasks logs blocking on EOF. The parameters are: * allocation: the allocation to stream from. * follow: Whether the logs should be followed. * task: the tasks name to stream logs for. * logType: Either "stdout" or "stderr" * origin: Either "start" or "end" and defines from where the offset is applied. * offset: The offset to start streaming data at. * cancel: A channel that when closed, streaming will end.

The return value is a channel that will emit StreamFrames as they are read.

func (*AllocFS) ReadAt

func (a *AllocFS) ReadAt(alloc *Allocation, path string, offset int64, limit int64, q *QueryOptions) (io.ReadCloser, error)

ReadAt is used to read bytes at a given offset until limit at the given path in an allocation directory. If limit is <= 0, there is no limit.

func (*AllocFS) Stat

func (a *AllocFS) Stat(alloc *Allocation, path string, q *QueryOptions) (*AllocFileInfo, *QueryMeta, error)

Stat is used to stat a file at a given path of an allocation directory

func (*AllocFS) Stream

func (a *AllocFS) Stream(alloc *Allocation, path, origin string, offset int64,
	cancel <-chan struct{}, q *QueryOptions) (<-chan *StreamFrame, error)

Stream streams the content of a file blocking on EOF. The parameters are: * path: path to file to stream. * offset: The offset to start streaming data at. * origin: Either "start" or "end" and defines from where the offset is applied. * cancel: A channel that when closed, streaming will end.

The return value is a channel that will emit StreamFrames as they are read.

type AllocFileInfo

type AllocFileInfo struct {
	Name     string
	IsDir    bool
	Size     int64
	FileMode string
	ModTime  time.Time
}

AllocFileInfo holds information about a file inside the AllocDir

type AllocIndexSort

type AllocIndexSort []*AllocationListStub

AllocIndexSort reverse sorts allocs by CreateIndex.

func (AllocIndexSort) Len

func (a AllocIndexSort) Len() int

func (AllocIndexSort) Less

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

func (AllocIndexSort) Swap

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

type AllocResourceUsage

type AllocResourceUsage struct {
	ResourceUsage *ResourceUsage
	Tasks         map[string]*TaskResourceUsage
	Timestamp     int64
}

AllocResourceUsage holds the aggregated task resource usage of the allocation.

type Allocation

type Allocation struct {
	ID                 string
	EvalID             string
	Name               string
	NodeID             string
	JobID              string
	Job                *Job
	TaskGroup          string
	Resources          *Resources
	TaskResources      map[string]*Resources
	Services           map[string]string
	Metrics            *AllocationMetric
	DesiredStatus      string
	DesiredDescription string
	ClientStatus       string
	ClientDescription  string
	TaskStates         map[string]*TaskState
	DeploymentID       string
	DeploymentStatus   *AllocDeploymentStatus
	PreviousAllocation string
	CreateIndex        uint64
	ModifyIndex        uint64
	AllocModifyIndex   uint64
	CreateTime         int64
}

Allocation is used for serialization of allocations.

type AllocationListStub

type AllocationListStub struct {
	ID                 string
	EvalID             string
	Name               string
	NodeID             string
	JobID              string
	JobVersion         uint64
	TaskGroup          string
	DesiredStatus      string
	DesiredDescription string
	ClientStatus       string
	ClientDescription  string
	TaskStates         map[string]*TaskState
	DeploymentStatus   *AllocDeploymentStatus
	CreateIndex        uint64
	ModifyIndex        uint64
	CreateTime         int64
}

AllocationListStub is used to return a subset of an allocation during list operations.

type AllocationMetric

type AllocationMetric struct {
	NodesEvaluated     int
	NodesFiltered      int
	NodesAvailable     map[string]int
	ClassFiltered      map[string]int
	ConstraintFiltered map[string]int
	NodesExhausted     int
	ClassExhausted     map[string]int
	DimensionExhausted map[string]int
	Scores             map[string]float64
	AllocationTime     time.Duration
	CoalescedFailures  int
}

AllocationMetric is used to deserialize allocation metrics.

type AllocationSort

type AllocationSort []*Allocation

AllocationSort reverse sorts allocs by CreateIndex.

func (AllocationSort) Len

func (a AllocationSort) Len() int

func (AllocationSort) Less

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

func (AllocationSort) Swap

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

type Allocations

type Allocations struct {
	// contains filtered or unexported fields
}

Allocations is used to query the alloc-related endpoints.

func (*Allocations) GC

func (a *Allocations) GC(alloc *Allocation, q *QueryOptions) error

func (*Allocations) Info

func (a *Allocations) Info(allocID string, q *QueryOptions) (*Allocation, *QueryMeta, error)

Info is used to retrieve a single allocation.

func (*Allocations) List

List returns a list of all of the allocations.

func (*Allocations) PrefixList

func (a *Allocations) PrefixList(prefix string) ([]*AllocationListStub, *QueryMeta, error)

func (*Allocations) Stats

func (a *Allocations) Stats(alloc *Allocation, q *QueryOptions) (*AllocResourceUsage, error)

type Client

type Client struct {
	// contains filtered or unexported fields
}

Client provides a client to the Nomad API

func NewClient

func NewClient(config *Config) (*Client, error)

NewClient returns a new client

func (*Client) Agent

func (c *Client) Agent() *Agent

Agent returns a new agent which can be used to query the agent-specific endpoints.

func (*Client) AllocFS

func (c *Client) AllocFS() *AllocFS

AllocFS returns an handle to the AllocFS endpoints

func (*Client) Allocations

func (c *Client) Allocations() *Allocations

Allocations returns a handle on the allocs endpoints.

func (*Client) Deployments

func (c *Client) Deployments() *Deployments

Deployments returns a new handle on the deployments.

func (*Client) Evaluations

func (c *Client) Evaluations() *Evaluations

Evaluations returns a new handle on the evaluations.

func (*Client) GetNodeClient

func (c *Client) GetNodeClient(nodeID string, q *QueryOptions) (*Client, error)

GetNodeClient returns a new Client that will dial the specified node. If the QueryOptions is set, its region will be used.

func (*Client) Jobs

func (c *Client) Jobs() *Jobs

Jobs returns a handle on the jobs endpoints.

func (*Client) Nodes

func (c *Client) Nodes() *Nodes

Nodes returns a handle on the node endpoints.

func (*Client) Operator

func (c *Client) Operator() *Operator

Operator returns a handle to the operator endpoints.

func (*Client) Raw

func (c *Client) Raw() *Raw

Raw returns a handle to query endpoints

func (*Client) Regions

func (c *Client) Regions() *Regions

Regions returns a handle on the regions endpoints.

func (*Client) Search

func (c *Client) Search() *Search

Search returns a handle on the Search endpoints

func (*Client) SetRegion

func (c *Client) SetRegion(region string)

SetRegion sets the region to forward API requests to.

func (*Client) Status

func (c *Client) Status() *Status

Status returns a handle on the status endpoints.

func (*Client) System

func (c *Client) System() *System

System returns a handle on the system endpoints.

type Config

type Config struct {
	// Address is the address of the Nomad agent
	Address string

	// Region to use. If not provided, the default agent region is used.
	Region string

	// HttpClient is the client to use. Default will be
	// used if not provided.
	HttpClient *http.Client

	// HttpAuth is the auth info to use for http access.
	HttpAuth *HttpBasicAuth

	// WaitTime limits how long a Watch will block. If not provided,
	// the agent default values will be used.
	WaitTime time.Duration

	// TLSConfig provides the various TLS related configurations for the http
	// client
	TLSConfig *TLSConfig
}

Config is used to configure the creation of a client

func DefaultConfig

func DefaultConfig() *Config

DefaultConfig returns a default configuration for the client

func (*Config) ClientConfig

func (c *Config) ClientConfig(region, address string, tlsEnabled bool) *Config

ClientConfig copies the configuration with a new client address, region, and whether the client has TLS enabled.

func (*Config) ConfigureTLS

func (c *Config) ConfigureTLS() error

ConfigureTLS applies a set of TLS configurations to the the HTTP client.

type Constraint

type Constraint struct {
	LTarget string
	RTarget string
	Operand string
}

Constraint is used to serialize a job placement constraint.

func NewConstraint

func NewConstraint(left, operand, right string) *Constraint

NewConstraint generates a new job placement constraint.

type CpuStats

type CpuStats struct {
	SystemMode       float64
	UserMode         float64
	TotalTicks       float64
	ThrottledPeriods uint64
	ThrottledTime    uint64
	Percent          float64
	Measured         []string
}

CpuStats holds cpu usage related stats

type Deployment

type Deployment struct {
	ID                string
	JobID             string
	JobVersion        uint64
	JobModifyIndex    uint64
	JobCreateIndex    uint64
	TaskGroups        map[string]*DeploymentState
	Status            string
	StatusDescription string
	CreateIndex       uint64
	ModifyIndex       uint64
}

Deployment is used to serialize an deployment.

type DeploymentAllocHealthRequest

type DeploymentAllocHealthRequest struct {
	DeploymentID string

	// Marks these allocations as healthy, allow further allocations
	// to be rolled.
	HealthyAllocationIDs []string

	// Any unhealthy allocations fail the deployment
	UnhealthyAllocationIDs []string

	WriteRequest
}

DeploymentAllocHealthRequest is used to set the health of a set of allocations as part of a deployment.

type DeploymentFailRequest

type DeploymentFailRequest struct {
	DeploymentID string
	WriteRequest
}

DeploymentFailRequest is used to fail a particular deployment

type DeploymentIndexSort

type DeploymentIndexSort []*Deployment

DeploymentIndexSort is a wrapper to sort deployments by CreateIndex. We reverse the test so that we get the highest index first.

func (DeploymentIndexSort) Len

func (d DeploymentIndexSort) Len() int

func (DeploymentIndexSort) Less

func (d DeploymentIndexSort) Less(i, j int) bool

func (DeploymentIndexSort) Swap

func (d DeploymentIndexSort) Swap(i, j int)

type DeploymentPauseRequest

type DeploymentPauseRequest struct {
	DeploymentID string

	// Pause sets the pause status
	Pause bool

	WriteRequest
}

DeploymentPauseRequest is used to pause a deployment

type DeploymentPromoteRequest

type DeploymentPromoteRequest struct {
	DeploymentID string

	// All is to promote all task groups
	All bool

	// Groups is used to set the promotion status per task group
	Groups []string

	WriteRequest
}

DeploymentPromoteRequest is used to promote task groups in a deployment

type DeploymentSpecificRequest

type DeploymentSpecificRequest struct {
	DeploymentID string
	QueryOptions
}

DeploymentSpecificRequest is used to make a request specific to a particular deployment

type DeploymentState

type DeploymentState struct {
	PlacedCanaries  []string
	AutoRevert      bool
	Promoted        bool
	DesiredCanaries int
	DesiredTotal    int
	PlacedAllocs    int
	HealthyAllocs   int
	UnhealthyAllocs int
}

DeploymentState tracks the state of a deployment for a given task group.

type DeploymentUpdateResponse

type DeploymentUpdateResponse struct {
	EvalID                string
	EvalCreateIndex       uint64
	DeploymentModifyIndex uint64
	RevertedJobVersion    *uint64
	WriteMeta
}

DeploymentUpdateResponse is used to respond to a deployment change. The response will include the modify index of the deployment as well as details of any triggered evaluation.

type Deployments

type Deployments struct {
	// contains filtered or unexported fields
}

Deployments is used to query the deployments endpoints.

func (*Deployments) Allocations

func (d *Deployments) Allocations(deploymentID string, q *QueryOptions) ([]*AllocationListStub, *QueryMeta, error)

Allocations is used to retrieve a set of allocations that are part of the deployment

func (*Deployments) Fail

func (d *Deployments) Fail(deploymentID string, q *WriteOptions) (*DeploymentUpdateResponse, *WriteMeta, error)

Fail is used to fail the given deployment.

func (*Deployments) Info

func (d *Deployments) Info(deploymentID string, q *QueryOptions) (*Deployment, *QueryMeta, error)

Info is used to query a single evaluation by its ID.

func (*Deployments) List

func (d *Deployments) List(q *QueryOptions) ([]*Deployment, *QueryMeta, error)

List is used to dump all of the evaluations.

func (*Deployments) Pause

func (d *Deployments) Pause(deploymentID string, pause bool, q *WriteOptions) (*DeploymentUpdateResponse, *WriteMeta, error)

Pause is used to pause or unpause the given deployment.

func (*Deployments) PrefixList

func (d *Deployments) PrefixList(prefix string) ([]*Deployment, *QueryMeta, error)

func (*Deployments) PromoteAll

func (d *Deployments) PromoteAll(deploymentID string, q *WriteOptions) (*DeploymentUpdateResponse, *WriteMeta, error)

PromoteAll is used to promote all canaries in the given deployment

func (*Deployments) PromoteGroups

func (d *Deployments) PromoteGroups(deploymentID string, groups []string, q *WriteOptions) (*DeploymentUpdateResponse, *WriteMeta, error)

PromoteGroups is used to promote canaries in the passed groups in the given deployment

func (*Deployments) SetAllocHealth

func (d *Deployments) SetAllocHealth(deploymentID string, healthy, unhealthy []string, q *WriteOptions) (*DeploymentUpdateResponse, *WriteMeta, error)

SetAllocHealth is used to set allocation health for allocs that are part of the given deployment

type DesiredUpdates

type DesiredUpdates struct {
	Ignore            uint64
	Place             uint64
	Migrate           uint64
	Stop              uint64
	InPlaceUpdate     uint64
	DestructiveUpdate uint64
	Canary            uint64
}

type DispatchPayloadConfig

type DispatchPayloadConfig struct {
	File string
}

DispatchPayloadConfig configures how a task gets its input from a job dispatch

type EphemeralDisk

type EphemeralDisk struct {
	Sticky  *bool
	Migrate *bool
	SizeMB  *int `mapstructure:"size"`
}

EphemeralDisk is an ephemeral disk object

func DefaultEphemeralDisk

func DefaultEphemeralDisk() *EphemeralDisk

func (*EphemeralDisk) Canonicalize

func (e *EphemeralDisk) Canonicalize()

type EvalIndexSort

type EvalIndexSort []*Evaluation

EvalIndexSort is a wrapper to sort evaluations by CreateIndex. We reverse the test so that we get the highest index first.

func (EvalIndexSort) Len

func (e EvalIndexSort) Len() int

func (EvalIndexSort) Less

func (e EvalIndexSort) Less(i, j int) bool

func (EvalIndexSort) Swap

func (e EvalIndexSort) Swap(i, j int)

type Evaluation

type Evaluation struct {
	ID                   string
	Priority             int
	Type                 string
	TriggeredBy          string
	JobID                string
	JobModifyIndex       uint64
	NodeID               string
	NodeModifyIndex      uint64
	DeploymentID         string
	Status               string
	StatusDescription    string
	Wait                 time.Duration
	NextEval             string
	PreviousEval         string
	BlockedEval          string
	FailedTGAllocs       map[string]*AllocationMetric
	ClassEligibility     map[string]bool
	EscapedComputedClass bool
	AnnotatePlan         bool
	QueuedAllocations    map[string]int
	SnapshotIndex        uint64
	CreateIndex          uint64
	ModifyIndex          uint64
}

Evaluation is used to serialize an evaluation.

type Evaluations

type Evaluations struct {
	// contains filtered or unexported fields
}

Evaluations is used to query the evaluation endpoints.

func (*Evaluations) Allocations

func (e *Evaluations) Allocations(evalID string, q *QueryOptions) ([]*AllocationListStub, *QueryMeta, error)

Allocations is used to retrieve a set of allocations given an evaluation ID.

func (*Evaluations) Info

func (e *Evaluations) Info(evalID string, q *QueryOptions) (*Evaluation, *QueryMeta, error)

Info is used to query a single evaluation by its ID.

func (*Evaluations) List

func (e *Evaluations) List(q *QueryOptions) ([]*Evaluation, *QueryMeta, error)

List is used to dump all of the evaluations.

func (*Evaluations) PrefixList

func (e *Evaluations) PrefixList(prefix string) ([]*Evaluation, *QueryMeta, error)

type FieldDiff

type FieldDiff struct {
	Type        string
	Name        string
	Old, New    string
	Annotations []string
}

type FrameReader

type FrameReader struct {
	// contains filtered or unexported fields
}

FrameReader is used to convert a stream of frames into a read closer.

func NewFrameReader

func NewFrameReader(frames <-chan *StreamFrame, cancelCh chan struct{}) *FrameReader

NewFrameReader takes a channel of frames and returns a FrameReader which implements io.ReadCloser

func (*FrameReader) Close

func (f *FrameReader) Close() error

Close cancels the stream of frames

func (*FrameReader) Offset

func (f *FrameReader) Offset() int

Offset returns the offset into the stream.

func (*FrameReader) Read

func (f *FrameReader) Read(p []byte) (n int, err error)

Read reads the data of the incoming frames into the bytes buffer. Returns EOF when there are no more frames.

func (*FrameReader) SetUnblockTime

func (f *FrameReader) SetUnblockTime(d time.Duration)

SetUnblockTime sets the time to unblock and return zero bytes read. If the duration is unset or is zero or less, the read will block til data is read.

type HostCPUStats

type HostCPUStats struct {
	CPU    string
	User   float64
	System float64
	Idle   float64
}

type HostDiskStats

type HostDiskStats struct {
	Device            string
	Mountpoint        string
	Size              uint64
	Used              uint64
	Available         uint64
	UsedPercent       float64
	InodesUsedPercent float64
}

type HostMemoryStats

type HostMemoryStats struct {
	Total     uint64
	Available uint64
	Used      uint64
	Free      uint64
}

type HostStats

type HostStats struct {
	Memory           *HostMemoryStats
	CPU              []*HostCPUStats
	DiskStats        []*HostDiskStats
	Uptime           uint64
	CPUTicksConsumed float64
}

HostStats represents resource usage stats of the host running a Nomad client

type HttpBasicAuth

type HttpBasicAuth struct {
	// Username to use for HTTP Basic Authentication
	Username string

	// Password to use for HTTP Basic Authentication
	Password string
}

HttpBasicAuth is used to authenticate http client with HTTP Basic Authentication

type Job

type Job struct {
	Stop              *bool
	Region            *string
	ID                *string
	ParentID          *string
	Name              *string
	Type              *string
	Priority          *int
	AllAtOnce         *bool `mapstructure:"all_at_once"`
	Datacenters       []string
	Constraints       []*Constraint
	TaskGroups        []*TaskGroup
	Update            *UpdateStrategy
	Periodic          *PeriodicConfig
	ParameterizedJob  *ParameterizedJobConfig
	Payload           []byte
	Meta              map[string]string
	VaultToken        *string `mapstructure:"vault_token"`
	Status            *string
	StatusDescription *string
	Stable            *bool
	Version           *uint64
	SubmitTime        *int64
	CreateIndex       *uint64
	ModifyIndex       *uint64
	JobModifyIndex    *uint64
}

Job is used to serialize a job.

func MockJob

func MockJob() *Job

func MockPeriodicJob

func MockPeriodicJob() *Job

func NewBatchJob

func NewBatchJob(id, name, region string, pri int) *Job

NewBatchJob creates and returns a new batch-style job for short-lived processes using the provided name and ID along with the relative job priority.

func NewServiceJob

func NewServiceJob(id, name, region string, pri int) *Job

NewServiceJob creates and returns a new service-style job for long-lived processes using the provided name, ID, and relative job priority.

func (*Job) AddDatacenter

func (j *Job) AddDatacenter(dc string) *Job

AddDatacenter is used to add a datacenter to a job.

func (*Job) AddPeriodicConfig

func (j *Job) AddPeriodicConfig(cfg *PeriodicConfig) *Job

AddPeriodicConfig adds a periodic config to an existing job.

func (*Job) AddTaskGroup

func (j *Job) AddTaskGroup(grp *TaskGroup) *Job

AddTaskGroup adds a task group to an existing job.

func (*Job) Canonicalize

func (j *Job) Canonicalize()

func (*Job) Constrain

func (j *Job) Constrain(c *Constraint) *Job

Constrain is used to add a constraint to a job.

func (*Job) IsParameterized

func (j *Job) IsParameterized() bool

IsParameterized returns whether a job is parameterized job.

func (*Job) IsPeriodic

func (j *Job) IsPeriodic() bool

IsPeriodic returns whether a job is periodic.

func (*Job) SetMeta

func (j *Job) SetMeta(key, val string) *Job

SetMeta is used to set arbitrary k/v pairs of metadata on a job.

type JobChildrenSummary

type JobChildrenSummary struct {
	Pending int64
	Running int64
	Dead    int64
}

JobChildrenSummary contains the summary of children job status

func (*JobChildrenSummary) Sum

func (jc *JobChildrenSummary) Sum() int

type JobDeregisterResponse

type JobDeregisterResponse struct {
	EvalID          string
	EvalCreateIndex uint64
	JobModifyIndex  uint64
	QueryMeta
}

JobDeregisterResponse is used to respond to a job deregistration

type JobDiff

type JobDiff struct {
	Type       string
	ID         string
	Fields     []*FieldDiff
	Objects    []*ObjectDiff
	TaskGroups []*TaskGroupDiff
}

type JobDispatchRequest

type JobDispatchRequest struct {
	JobID   string
	Payload []byte
	Meta    map[string]string
}

type JobDispatchResponse

type JobDispatchResponse struct {
	DispatchedJobID string
	EvalID          string
	EvalCreateIndex uint64
	JobCreateIndex  uint64
	WriteMeta
}

type JobIDSort

type JobIDSort []*JobListStub

JobIDSort is used to sort jobs by their job ID's.

func (JobIDSort) Len

func (j JobIDSort) Len() int

func (JobIDSort) Less

func (j JobIDSort) Less(a, b int) bool

func (JobIDSort) Swap

func (j JobIDSort) Swap(a, b int)

type JobListStub

type JobListStub struct {
	ID                string
	ParentID          string
	Name              string
	Type              string
	Priority          int
	Periodic          bool
	ParameterizedJob  bool
	Stop              bool
	Status            string
	StatusDescription string
	JobSummary        *JobSummary
	CreateIndex       uint64
	ModifyIndex       uint64
	JobModifyIndex    uint64
	SubmitTime        int64
}

JobListStub is used to return a subset of information about jobs during list operations.

type JobPlanRequest

type JobPlanRequest struct {
	Job  *Job
	Diff bool
	WriteRequest
}

type JobPlanResponse

type JobPlanResponse struct {
	JobModifyIndex     uint64
	CreatedEvals       []*Evaluation
	Diff               *JobDiff
	Annotations        *PlanAnnotations
	FailedTGAllocs     map[string]*AllocationMetric
	NextPeriodicLaunch time.Time

	// Warnings contains any warnings about the given job. These may include
	// deprecation warnings.
	Warnings string
}

type JobRegisterRequest

type JobRegisterRequest struct {
	Job *Job
	// If EnforceIndex is set then the job will only be registered if the passed
	// JobModifyIndex matches the current Jobs index. If the index is zero, the
	// register only occurs if the job is new.
	EnforceIndex   bool
	JobModifyIndex uint64

	WriteRequest
}

JobUpdateRequest is used to update a job

type JobRegisterResponse

type JobRegisterResponse struct {
	EvalID          string
	EvalCreateIndex uint64
	JobModifyIndex  uint64

	// Warnings contains any warnings about the given job. These may include
	// deprecation warnings.
	Warnings string

	QueryMeta
}

JobRegisterResponse is used to respond to a job registration

type JobRevertRequest

type JobRevertRequest struct {
	// JobID is the ID of the job  being reverted
	JobID string

	// JobVersion the version to revert to.
	JobVersion uint64

	// EnforcePriorVersion if set will enforce that the job is at the given
	// version before reverting.
	EnforcePriorVersion *uint64

	WriteRequest
}

JobRevertRequest is used to revert a job to a prior version.

type JobStabilityRequest

type JobStabilityRequest struct {
	// Job to set the stability on
	JobID      string
	JobVersion uint64

	// Set the stability
	Stable bool
	WriteRequest
}

JobStabilityRequest is used to marked a job as stable.

type JobStabilityResponse

type JobStabilityResponse struct {
	JobModifyIndex uint64
	WriteMeta
}

JobStabilityResponse is the response when marking a job as stable.

type JobSummary

type JobSummary struct {
	JobID    string
	Summary  map[string]TaskGroupSummary
	Children *JobChildrenSummary

	// Raft Indexes
	CreateIndex uint64
	ModifyIndex uint64
}

JobSummary summarizes the state of the allocations of a job

type JobValidateRequest

type JobValidateRequest struct {
	Job *Job
	WriteRequest
}

JobValidateRequest is used to validate a job

type JobValidateResponse

type JobValidateResponse struct {
	// DriverConfigValidated indicates whether the agent validated the driver
	// config
	DriverConfigValidated bool

	// ValidationErrors is a list of validation errors
	ValidationErrors []string

	// Error is a string version of any error that may have occurred
	Error string

	// Warnings contains any warnings about the given job. These may include
	// deprecation warnings.
	Warnings string
}

JobValidateResponse is the response from validate request

type JobVersionsResponse

type JobVersionsResponse struct {
	Versions []*Job
	Diffs    []*JobDiff
	QueryMeta
}

JobVersionsResponse is used for a job get versions request

type Jobs

type Jobs struct {
	// contains filtered or unexported fields
}

Jobs is used to access the job-specific endpoints.

func (*Jobs) Allocations

func (j *Jobs) Allocations(jobID string, allAllocs bool, q *QueryOptions) ([]*AllocationListStub, *QueryMeta, error)

Allocations is used to return the allocs for a given job ID.

func (*Jobs) Deployments

func (j *Jobs) Deployments(jobID string, q *QueryOptions) ([]*Deployment, *QueryMeta, error)

Deployments is used to query the deployments associated with the given job ID.

func (*Jobs) Deregister

func (j *Jobs) Deregister(jobID string, purge bool, q *WriteOptions) (string, *WriteMeta, error)

Deregister is used to remove an existing job. If purge is set to true, the job is deregistered and purged from the system versus still being queryable and eventually GC'ed from the system. Most callers should not specify purge.

func (*Jobs) Dispatch

func (j *Jobs) Dispatch(jobID string, meta map[string]string,
	payload []byte, q *WriteOptions) (*JobDispatchResponse, *WriteMeta, error)

func (*Jobs) EnforceRegister

func (j *Jobs) EnforceRegister(job *Job, modifyIndex uint64, q *WriteOptions) (*JobRegisterResponse, *WriteMeta, error)

EnforceRegister is used to register a job enforcing its job modify index.

func (*Jobs) Evaluations

func (j *Jobs) Evaluations(jobID string, q *QueryOptions) ([]*Evaluation, *QueryMeta, error)

Evaluations is used to query the evaluations associated with the given job ID.

func (*Jobs) ForceEvaluate

func (j *Jobs) ForceEvaluate(jobID string, q *WriteOptions) (string, *WriteMeta, error)

ForceEvaluate is used to force-evaluate an existing job.

func (*Jobs) Info

func (j *Jobs) Info(jobID string, q *QueryOptions) (*Job, *QueryMeta, error)

Info is used to retrieve information about a particular job given its unique ID.

func (*Jobs) LatestDeployment

func (j *Jobs) LatestDeployment(jobID string, q *QueryOptions) (*Deployment, *QueryMeta, error)

LatestDeployment is used to query for the latest deployment associated with the given job ID.

func (*Jobs) List

func (j *Jobs) List(q *QueryOptions) ([]*JobListStub, *QueryMeta, error)

List is used to list all of the existing jobs.

func (*Jobs) PeriodicForce

func (j *Jobs) PeriodicForce(jobID string, q *WriteOptions) (string, *WriteMeta, error)

PeriodicForce spawns a new instance of the periodic job and returns the eval ID

func (*Jobs) Plan

func (j *Jobs) Plan(job *Job, diff bool, q *WriteOptions) (*JobPlanResponse, *WriteMeta, error)

func (*Jobs) PrefixList

func (j *Jobs) PrefixList(prefix string) ([]*JobListStub, *QueryMeta, error)

PrefixList is used to list all existing jobs that match the prefix.

func (*Jobs) Register

func (j *Jobs) Register(job *Job, q *WriteOptions) (*JobRegisterResponse, *WriteMeta, error)

Register is used to register a new job. It returns the ID of the evaluation, along with any errors encountered.

func (*Jobs) Revert

func (j *Jobs) Revert(jobID string, version uint64, enforcePriorVersion *uint64,
	q *WriteOptions) (*JobRegisterResponse, *WriteMeta, error)

Revert is used to revert the given job to the passed version. If enforceVersion is set, the job is only reverted if the current version is at the passed version.

func (*Jobs) Stable

func (j *Jobs) Stable(jobID string, version uint64, stable bool,
	q *WriteOptions) (*JobStabilityResponse, *WriteMeta, error)

Stable is used to mark a job version's stability.

func (*Jobs) Summary

func (j *Jobs) Summary(jobID string, q *QueryOptions) (*JobSummary, *QueryMeta, error)

func (*Jobs) Validate

func (j *Jobs) Validate(job *Job, q *WriteOptions) (*JobValidateResponse, *WriteMeta, error)

func (*Jobs) Versions

func (j *Jobs) Versions(jobID string, diffs bool, q *QueryOptions) ([]*Job, []*JobDiff, *QueryMeta, error)

Versions is used to retrieve all versions of a particular job given its unique ID.

type KeyringRequest

type KeyringRequest struct {
	Key string
}

KeyringRequest is request objects for serf key operations.

type KeyringResponse

type KeyringResponse struct {
	Messages map[string]string
	Keys     map[string]int
	NumNodes int
}

KeyringResponse is a unified key response and can be used for install, remove, use, as well as listing key queries.

type LogConfig

type LogConfig struct {
	MaxFiles      *int `mapstructure:"max_files"`
	MaxFileSizeMB *int `mapstructure:"max_file_size"`
}

LogConfig provides configuration for log rotation

func DefaultLogConfig

func DefaultLogConfig() *LogConfig

func (*LogConfig) Canonicalize

func (l *LogConfig) Canonicalize()

type MemoryStats

type MemoryStats struct {
	RSS            uint64
	Cache          uint64
	Swap           uint64
	MaxUsage       uint64
	KernelUsage    uint64
	KernelMaxUsage uint64
	Measured       []string
}

MemoryStats holds memory usage related stats

type NetworkResource

type NetworkResource struct {
	Device        string
	CIDR          string
	IP            string
	MBits         *int
	ReservedPorts []Port
	DynamicPorts  []Port
}

NetworkResource is used to describe required network resources of a given task.

func (*NetworkResource) Canonicalize

func (n *NetworkResource) Canonicalize()

type Node

type Node struct {
	ID                string
	Datacenter        string
	Name              string
	HTTPAddr          string
	TLSEnabled        bool
	Attributes        map[string]string
	Resources         *Resources
	Reserved          *Resources
	Links             map[string]string
	Meta              map[string]string
	NodeClass         string
	Drain             bool
	Status            string
	StatusDescription string
	StatusUpdatedAt   int64
	CreateIndex       uint64
	ModifyIndex       uint64
}

Node is used to deserialize a node entry.

type NodeIndexSort

type NodeIndexSort []*NodeListStub

NodeIndexSort reverse sorts nodes by CreateIndex

func (NodeIndexSort) Len

func (n NodeIndexSort) Len() int

func (NodeIndexSort) Less

func (n NodeIndexSort) Less(i, j int) bool

func (NodeIndexSort) Swap

func (n NodeIndexSort) Swap(i, j int)

type NodeListStub

type NodeListStub struct {
	ID                string
	Datacenter        string
	Name              string
	NodeClass         string
	Version           string
	Drain             bool
	Status            string
	StatusDescription string
	CreateIndex       uint64
	ModifyIndex       uint64
}

NodeListStub is a subset of information returned during node list operations.

type Nodes

type Nodes struct {
	// contains filtered or unexported fields
}

Nodes is used to query node-related API endpoints

func (*Nodes) Allocations

func (n *Nodes) Allocations(nodeID string, q *QueryOptions) ([]*Allocation, *QueryMeta, error)

Allocations is used to return the allocations associated with a node.

func (*Nodes) ForceEvaluate

func (n *Nodes) ForceEvaluate(nodeID string, q *WriteOptions) (string, *WriteMeta, error)

ForceEvaluate is used to force-evaluate an existing node.

func (*Nodes) GC

func (n *Nodes) GC(nodeID string, q *QueryOptions) error

func (*Nodes) Info

func (n *Nodes) Info(nodeID string, q *QueryOptions) (*Node, *QueryMeta, error)

Info is used to query a specific node by its ID.

func (*Nodes) List

func (n *Nodes) List(q *QueryOptions) ([]*NodeListStub, *QueryMeta, error)

List is used to list out all of the nodes

func (*Nodes) PrefixList

func (n *Nodes) PrefixList(prefix string) ([]*NodeListStub, *QueryMeta, error)

func (*Nodes) Stats

func (n *Nodes) Stats(nodeID string, q *QueryOptions) (*HostStats, error)

func (*Nodes) ToggleDrain

func (n *Nodes) ToggleDrain(nodeID string, drain bool, q *WriteOptions) (*WriteMeta, error)

ToggleDrain is used to toggle drain mode on/off for a given node.

type ObjectDiff

type ObjectDiff struct {
	Type    string
	Name    string
	Fields  []*FieldDiff
	Objects []*ObjectDiff
}

type Operator

type Operator struct {
	// contains filtered or unexported fields
}

Operator can be used to perform low-level operator tasks for Nomad.

func (*Operator) RaftGetConfiguration

func (op *Operator) RaftGetConfiguration(q *QueryOptions) (*RaftConfiguration, error)

RaftGetConfiguration is used to query the current Raft peer set.

func (*Operator) RaftRemovePeerByAddress

func (op *Operator) RaftRemovePeerByAddress(address string, q *WriteOptions) error

RaftRemovePeerByAddress is used to kick a stale peer (one that it in the Raft quorum but no longer known to Serf or the catalog) by address in the form of "IP:port".

type ParameterizedJobConfig

type ParameterizedJobConfig struct {
	Payload      string
	MetaRequired []string `mapstructure:"meta_required"`
	MetaOptional []string `mapstructure:"meta_optional"`
}

ParameterizedJobConfig is used to configure the parameterized job.

type PeriodicConfig

type PeriodicConfig struct {
	Enabled         *bool
	Spec            *string
	SpecType        *string
	ProhibitOverlap *bool   `mapstructure:"prohibit_overlap"`
	TimeZone        *string `mapstructure:"time_zone"`
}

PeriodicConfig is for serializing periodic config for a job.

func (*PeriodicConfig) Canonicalize

func (p *PeriodicConfig) Canonicalize()

func (*PeriodicConfig) GetLocation

func (p *PeriodicConfig) GetLocation() (*time.Location, error)

func (*PeriodicConfig) Next

func (p *PeriodicConfig) Next(fromTime time.Time) time.Time

Next returns the closest time instant matching the spec that is after the passed time. If no matching instance exists, the zero value of time.Time is returned. The `time.Location` of the returned value matches that of the passed time.

type PlanAnnotations

type PlanAnnotations struct {
	DesiredTGUpdates map[string]*DesiredUpdates
}

type Port

type Port struct {
	Label string
	Value int `mapstructure:"static"`
}

type QueryMeta

type QueryMeta struct {
	// LastIndex. This can be used as a WaitIndex to perform
	// a blocking query
	LastIndex uint64

	// Time of last contact from the leader for the
	// server servicing the request
	LastContact time.Duration

	// Is there a known leader
	KnownLeader bool

	// How long did the request take
	RequestTime time.Duration
}

QueryMeta is used to return meta data about a query

type QueryOptions

type QueryOptions struct {
	// Providing a datacenter overwrites the region provided
	// by the Config
	Region string

	// AllowStale allows any Nomad server (non-leader) to service
	// a read. This allows for lower latency and higher throughput
	AllowStale bool

	// WaitIndex is used to enable a blocking query. Waits
	// until the timeout or the next index is reached
	WaitIndex uint64

	// WaitTime is used to bound the duration of a wait.
	// Defaults to that of the Config, but can be overridden.
	WaitTime time.Duration

	// If set, used as prefix for resource list searches
	Prefix string

	// Set HTTP parameters on the query.
	Params map[string]string
}

QueryOptions are used to parameterize a query

type RaftConfiguration

type RaftConfiguration struct {
	// Servers has the list of servers in the Raft configuration.
	Servers []*RaftServer

	// Index has the Raft index of this configuration.
	Index uint64
}

RaftConfigration is returned when querying for the current Raft configuration.

type RaftServer

type RaftServer struct {
	// ID is the unique ID for the server. These are currently the same
	// as the address, but they will be changed to a real GUID in a future
	// release of Nomad.
	ID string

	// Node is the node name of the server, as known by Nomad, or this
	// will be set to "(unknown)" otherwise.
	Node string

	// Address is the IP:port of the server, used for Raft communications.
	Address string

	// Leader is true if this server is the current cluster leader.
	Leader bool

	// Voter is true if this server has a vote in the cluster. This might
	// be false if the server is staging and still coming online, or if
	// it's a non-voting server, which will be added in a future release of
	// Nomad.
	Voter bool
}

RaftServer has information about a server in the Raft configuration.

type Raw

type Raw struct {
	// contains filtered or unexported fields
}

Raw can be used to do raw queries against custom endpoints

func (*Raw) Delete

func (raw *Raw) Delete(endpoint string, out interface{}, q *WriteOptions) (*WriteMeta, error)

Delete is used to do a DELETE request against an endpoint and serialize/deserialized using the standard Nomad conventions.

func (*Raw) Query

func (raw *Raw) Query(endpoint string, out interface{}, q *QueryOptions) (*QueryMeta, error)

Query is used to do a GET request against an endpoint and deserialize the response into an interface using standard Nomad conventions.

func (*Raw) Response

func (raw *Raw) Response(endpoint string, q *QueryOptions) (io.ReadCloser, error)

Response is used to make a GET request against an endpoint and returns the response body

func (*Raw) Write

func (raw *Raw) Write(endpoint string, in, out interface{}, q *WriteOptions) (*WriteMeta, error)

Write is used to do a PUT request against an endpoint and serialize/deserialized using the standard Nomad conventions.

type Regions

type Regions struct {
	// contains filtered or unexported fields
}

Regions is used to query the regions in the cluster.

func (*Regions) List

func (r *Regions) List() ([]string, error)

List returns a list of all of the regions.

type RegisterJobRequest

type RegisterJobRequest struct {
	Job            *Job
	EnforceIndex   bool   `json:",omitempty"`
	JobModifyIndex uint64 `json:",omitempty"`
}

RegisterJobRequest is used to serialize a job registration

type ResourceUsage

type ResourceUsage struct {
	MemoryStats *MemoryStats
	CpuStats    *CpuStats
}

ResourceUsage holds information related to cpu and memory stats

type Resources

type Resources struct {
	CPU      *int
	MemoryMB *int `mapstructure:"memory"`
	DiskMB   *int `mapstructure:"disk"`
	IOPS     *int
	Networks []*NetworkResource
}

Resources encapsulates the required resources of a given task or task group.

func MinResources

func MinResources() *Resources

func (*Resources) Canonicalize

func (r *Resources) Canonicalize()

func (*Resources) Merge

func (r *Resources) Merge(other *Resources)

Merge merges this resource with another resource.

type RestartPolicy

type RestartPolicy struct {
	Interval *time.Duration
	Attempts *int
	Delay    *time.Duration
	Mode     *string
}

RestartPolicy defines how the Nomad client restarts tasks in a taskgroup when they fail

func (*RestartPolicy) Merge

func (r *RestartPolicy) Merge(rp *RestartPolicy)
type Search struct {
	// contains filtered or unexported fields
}

func (*Search) PrefixSearch

func (s *Search) PrefixSearch(prefix string, context contexts.Context, q *QueryOptions) (*SearchResponse, *QueryMeta, error)

PrefixSearch returns a list of matches for a particular context and prefix.

type SearchRequest

type SearchRequest struct {
	Prefix  string
	Context contexts.Context
	QueryOptions
}

type SearchResponse

type SearchResponse struct {
	Matches     map[contexts.Context][]string
	Truncations map[contexts.Context]bool
	QueryMeta
}

type ServerMembers

type ServerMembers struct {
	ServerName   string
	ServerRegion string
	ServerDC     string
	Members      []*AgentMember
}

type Service

type Service struct {
	Id          string
	Name        string
	Tags        []string
	PortLabel   string `mapstructure:"port"`
	AddressMode string `mapstructure:"address_mode"`
	Checks      []ServiceCheck
}

The Service model represents a Consul service definition

func (*Service) Canonicalize

func (s *Service) Canonicalize(t *Task, tg *TaskGroup, job *Job)

type ServiceCheck

type ServiceCheck struct {
	Id            string
	Name          string
	Type          string
	Command       string
	Args          []string
	Path          string
	Protocol      string
	PortLabel     string `mapstructure:"port"`
	Interval      time.Duration
	Timeout       time.Duration
	InitialStatus string `mapstructure:"initial_status"`
	TLSSkipVerify bool   `mapstructure:"tls_skip_verify"`
	Header        map[string][]string
	Method        string
}

The ServiceCheck data model represents the consul health check that Nomad registers for a Task

type SingleDeploymentResponse

type SingleDeploymentResponse struct {
	Deployment *Deployment
	QueryMeta
}

SingleDeploymentResponse is used to respond with a single deployment

type Status

type Status struct {
	// contains filtered or unexported fields
}

Status is used to query the status-related endpoints.

func (*Status) Leader

func (s *Status) Leader() (string, error)

Leader is used to query for the current cluster leader.

func (*Status) Peers

func (s *Status) Peers() ([]string, error)

Peers is used to query the addresses of the server peers in the cluster.

func (*Status) RegionLeader

func (s *Status) RegionLeader(region string) (string, error)

RegionLeader is used to query for the leader in the passed region.

type StreamFrame

type StreamFrame struct {
	Offset    int64  `json:",omitempty"`
	Data      []byte `json:",omitempty"`
	File      string `json:",omitempty"`
	FileEvent string `json:",omitempty"`
}

StreamFrame is used to frame data of a file when streaming

func (*StreamFrame) IsHeartbeat

func (s *StreamFrame) IsHeartbeat() bool

IsHeartbeat returns if the frame is a heartbeat frame

type System

type System struct {
	// contains filtered or unexported fields
}

Status is used to query the status-related endpoints.

func (*System) GarbageCollect

func (s *System) GarbageCollect() error

func (*System) ReconcileSummaries

func (s *System) ReconcileSummaries() error

type TLSConfig

type TLSConfig struct {
	// CACert is the path to a PEM-encoded CA cert file to use to verify the
	// Nomad server SSL certificate.
	CACert string

	// CAPath is the path to a directory of PEM-encoded CA cert files to verify
	// the Nomad server SSL certificate.
	CAPath string

	// ClientCert is the path to the certificate for Nomad communication
	ClientCert string

	// ClientKey is the path to the private key for Nomad communication
	ClientKey string

	// TLSServerName, if set, is used to set the SNI host when connecting via
	// TLS.
	TLSServerName string

	// Insecure enables or disables SSL verification
	Insecure bool
}

TLSConfig contains the parameters needed to configure TLS on the HTTP client used to communicate with Nomad.

func (*TLSConfig) Copy

func (t *TLSConfig) Copy() *TLSConfig

type Task

type Task struct {
	Name            string
	Driver          string
	User            string
	Config          map[string]interface{}
	Constraints     []*Constraint
	Env             map[string]string
	Services        []*Service
	Resources       *Resources
	Meta            map[string]string
	KillTimeout     *time.Duration `mapstructure:"kill_timeout"`
	LogConfig       *LogConfig     `mapstructure:"logs"`
	Artifacts       []*TaskArtifact
	Vault           *Vault
	Templates       []*Template
	DispatchPayload *DispatchPayloadConfig
	Leader          bool
	ShutdownDelay   time.Duration `mapstructure:"shutdown_delay"`
}

Task is a single process in a task group.

func NewTask

func NewTask(name, driver string) *Task

NewTask creates and initializes a new Task.

func (*Task) Canonicalize

func (t *Task) Canonicalize(tg *TaskGroup, job *Job)

func (*Task) Constrain

func (t *Task) Constrain(c *Constraint) *Task

Constraint adds a new constraints to a single task.

func (*Task) Require

func (t *Task) Require(r *Resources) *Task

Require is used to add resource requirements to a task.

func (*Task) SetConfig

func (t *Task) SetConfig(key string, val interface{}) *Task

Configure is used to configure a single k/v pair on the task.

func (*Task) SetLogConfig

func (t *Task) SetLogConfig(l *LogConfig) *Task

SetLogConfig sets a log config to a task

func (*Task) SetMeta

func (t *Task) SetMeta(key, val string) *Task

SetMeta is used to add metadata k/v pairs to the task.

type TaskArtifact

type TaskArtifact struct {
	GetterSource  *string           `mapstructure:"source"`
	GetterOptions map[string]string `mapstructure:"options"`
	GetterMode    *string           `mapstructure:"mode"`
	RelativeDest  *string           `mapstructure:"destination"`
}

TaskArtifact is used to download artifacts before running a task.

func (*TaskArtifact) Canonicalize

func (a *TaskArtifact) Canonicalize()

type TaskDiff

type TaskDiff struct {
	Type        string
	Name        string
	Fields      []*FieldDiff
	Objects     []*ObjectDiff
	Annotations []string
}

type TaskEvent

type TaskEvent struct {
	Type             string
	Time             int64
	FailsTask        bool
	RestartReason    string
	SetupError       string
	DriverError      string
	DriverMessage    string
	ExitCode         int
	Signal           int
	Message          string
	KillReason       string
	KillTimeout      time.Duration
	KillError        string
	StartDelay       int64
	DownloadError    string
	ValidationError  string
	DiskLimit        int64
	DiskSize         int64
	FailedSibling    string
	VaultError       string
	TaskSignalReason string
	TaskSignal       string
	GenericSource    string
}

TaskEvent is an event that effects the state of a task and contains meta-data appropriate to the events type.

type TaskGroup

type TaskGroup struct {
	Name          *string
	Count         *int
	Constraints   []*Constraint
	Tasks         []*Task
	RestartPolicy *RestartPolicy
	EphemeralDisk *EphemeralDisk
	Update        *UpdateStrategy
	Meta          map[string]string
}

TaskGroup is the unit of scheduling.

func NewTaskGroup

func NewTaskGroup(name string, count int) *TaskGroup

NewTaskGroup creates a new TaskGroup.

func (*TaskGroup) AddTask

func (g *TaskGroup) AddTask(t *Task) *TaskGroup

AddTask is used to add a new task to a task group.

func (*TaskGroup) Canonicalize

func (g *TaskGroup) Canonicalize(job *Job)

func (*TaskGroup) Constrain

func (g *TaskGroup) Constrain(c *Constraint) *TaskGroup

Constrain is used to add a constraint to a task group.

func (*TaskGroup) RequireDisk

func (g *TaskGroup) RequireDisk(disk *EphemeralDisk) *TaskGroup

RequireDisk adds a ephemeral disk to the task group

func (*TaskGroup) SetMeta

func (g *TaskGroup) SetMeta(key, val string) *TaskGroup

AddMeta is used to add a meta k/v pair to a task group

type TaskGroupDiff

type TaskGroupDiff struct {
	Type    string
	Name    string
	Fields  []*FieldDiff
	Objects []*ObjectDiff
	Tasks   []*TaskDiff
	Updates map[string]uint64
}

type TaskGroupSummary

type TaskGroupSummary struct {
	Queued   int
	Complete int
	Failed   int
	Running  int
	Starting int
	Lost     int
}

TaskGroup summarizes the state of all the allocations of a particular TaskGroup

type TaskResourceUsage

type TaskResourceUsage struct {
	ResourceUsage *ResourceUsage
	Timestamp     int64
	Pids          map[string]*ResourceUsage
}

TaskResourceUsage holds aggregated resource usage of all processes in a Task and the resource usage of the individual pids

type TaskState

type TaskState struct {
	State       string
	Failed      bool
	Restarts    uint64
	LastRestart time.Time
	StartedAt   time.Time
	FinishedAt  time.Time
	Events      []*TaskEvent
}

TaskState tracks the current state of a task and events that caused state transitions.

type Template

type Template struct {
	SourcePath   *string        `mapstructure:"source"`
	DestPath     *string        `mapstructure:"destination"`
	EmbeddedTmpl *string        `mapstructure:"data"`
	ChangeMode   *string        `mapstructure:"change_mode"`
	ChangeSignal *string        `mapstructure:"change_signal"`
	Splay        *time.Duration `mapstructure:"splay"`
	Perms        *string        `mapstructure:"perms"`
	LeftDelim    *string        `mapstructure:"left_delimiter"`
	RightDelim   *string        `mapstructure:"right_delimiter"`
	Envvars      *bool          `mapstructure:"env"`
	VaultGrace   *time.Duration `mapstructure:"vault_grace"`
}

func (*Template) Canonicalize

func (tmpl *Template) Canonicalize()

type UpdateStrategy

type UpdateStrategy struct {
	Stagger         *time.Duration `mapstructure:"stagger"`
	MaxParallel     *int           `mapstructure:"max_parallel"`
	HealthCheck     *string        `mapstructure:"health_check"`
	MinHealthyTime  *time.Duration `mapstructure:"min_healthy_time"`
	HealthyDeadline *time.Duration `mapstructure:"healthy_deadline"`
	AutoRevert      *bool          `mapstructure:"auto_revert"`
	Canary          *int           `mapstructure:"canary"`
}

UpdateStrategy defines a task groups update strategy.

func (*UpdateStrategy) Canonicalize

func (u *UpdateStrategy) Canonicalize()

func (*UpdateStrategy) Copy

func (u *UpdateStrategy) Copy() *UpdateStrategy

func (*UpdateStrategy) Merge

func (u *UpdateStrategy) Merge(o *UpdateStrategy)

type Vault

type Vault struct {
	Policies     []string
	Env          *bool
	ChangeMode   *string `mapstructure:"change_mode"`
	ChangeSignal *string `mapstructure:"change_signal"`
}

func (*Vault) Canonicalize

func (v *Vault) Canonicalize()

type WriteMeta

type WriteMeta struct {
	// LastIndex. This can be used as a WaitIndex to perform
	// a blocking query
	LastIndex uint64

	// How long did the request take
	RequestTime time.Duration
}

WriteMeta is used to return meta data about a write

type WriteOptions

type WriteOptions struct {
	// Providing a datacenter overwrites the region provided
	// by the Config
	Region string
}

WriteOptions are used to parameterize a write

type WriteRequest

type WriteRequest struct {
	// The target region for this write
	Region string
}

Directories

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contexts