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jobs.go
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jobs.go
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package api
import (
"fmt"
"net/url"
"sort"
"strconv"
"time"
"github.com/hashicorp/cronexpr"
)
const (
// JobTypeService indicates a long-running processes
JobTypeService = "service"
// JobTypeBatch indicates a short-lived process
JobTypeBatch = "batch"
// JobTypeSystem indicates a system process that should run on all clients
JobTypeSystem = "system"
// PeriodicSpecCron is used for a cron spec.
PeriodicSpecCron = "cron"
// DefaultNamespace is the default namespace.
DefaultNamespace = "default"
// For Job configuration, GlobalRegion is a sentinel region value
// that users may specify to indicate the job should be run on
// the region of the node that the job was submitted to.
// For Client configuration, if no region information is given,
// the client node will default to be part of the GlobalRegion.
GlobalRegion = "global"
)
const (
// RegisterEnforceIndexErrPrefix is the prefix to use in errors caused by
// enforcing the job modify index during registers.
RegisterEnforceIndexErrPrefix = "Enforcing job modify index"
)
// Jobs is used to access the job-specific endpoints.
type Jobs struct {
client *Client
}
// JobsParseRequest is used for arguments of the /v1/jobs/parse endpoint
type JobsParseRequest struct {
// JobHCL is an hcl jobspec
JobHCL string
// HCLv1 indicates whether the JobHCL should be parsed with the hcl v1 parser
HCLv1 bool `json:"hclv1,omitempty"`
// Canonicalize is a flag as to if the server should return default values
// for unset fields
Canonicalize bool
}
// Jobs returns a handle on the jobs endpoints.
func (c *Client) Jobs() *Jobs {
return &Jobs{client: c}
}
// ParseHCL is used to convert the HCL repesentation of a Job to JSON server side.
// To parse the HCL client side see package github.com/hashicorp/nomad/jobspec
// Use ParseHCLOpts if you need to customize JobsParseRequest.
func (j *Jobs) ParseHCL(jobHCL string, canonicalize bool) (*Job, error) {
req := &JobsParseRequest{
JobHCL: jobHCL,
Canonicalize: canonicalize,
}
return j.ParseHCLOpts(req)
}
// ParseHCLOpts is used to convert the HCL representation of a Job to JSON
// server side. To parse the HCL client side see package
// github.com/hashicorp/nomad/jobspec.
// ParseHCL is an alternative convenience API for HCLv2 users.
func (j *Jobs) ParseHCLOpts(req *JobsParseRequest) (*Job, error) {
var job Job
_, err := j.client.write("/v1/jobs/parse", req, &job, nil)
return &job, err
}
func (j *Jobs) Validate(job *Job, q *WriteOptions) (*JobValidateResponse, *WriteMeta, error) {
var resp JobValidateResponse
req := &JobValidateRequest{Job: job}
if q != nil {
req.WriteRequest = WriteRequest{Region: q.Region}
}
wm, err := j.client.write("/v1/validate/job", req, &resp, q)
return &resp, wm, err
}
// RegisterOptions is used to pass through job registration parameters
type RegisterOptions struct {
EnforceIndex bool
ModifyIndex uint64
PolicyOverride bool
PreserveCounts bool
EvalPriority int
}
// Register is used to register a new job. It returns the ID
// of the evaluation, along with any errors encountered.
func (j *Jobs) Register(job *Job, q *WriteOptions) (*JobRegisterResponse, *WriteMeta, error) {
return j.RegisterOpts(job, nil, q)
}
// EnforceRegister is used to register a job enforcing its job modify index.
func (j *Jobs) EnforceRegister(job *Job, modifyIndex uint64, q *WriteOptions) (*JobRegisterResponse, *WriteMeta, error) {
opts := RegisterOptions{EnforceIndex: true, ModifyIndex: modifyIndex}
return j.RegisterOpts(job, &opts, q)
}
// RegisterOpts is used to register a new job with the passed RegisterOpts. It
// returns the ID of the evaluation, along with any errors encountered.
func (j *Jobs) RegisterOpts(job *Job, opts *RegisterOptions, q *WriteOptions) (*JobRegisterResponse, *WriteMeta, error) {
// Format the request
req := &JobRegisterRequest{
Job: job,
}
if opts != nil {
if opts.EnforceIndex {
req.EnforceIndex = true
req.JobModifyIndex = opts.ModifyIndex
}
req.PolicyOverride = opts.PolicyOverride
req.PreserveCounts = opts.PreserveCounts
req.EvalPriority = opts.EvalPriority
}
var resp JobRegisterResponse
wm, err := j.client.write("/v1/jobs", req, &resp, q)
if err != nil {
return nil, nil, err
}
return &resp, wm, nil
}
// List is used to list all of the existing jobs.
func (j *Jobs) List(q *QueryOptions) ([]*JobListStub, *QueryMeta, error) {
var resp []*JobListStub
qm, err := j.client.query("/v1/jobs", &resp, q)
if err != nil {
return nil, qm, err
}
sort.Sort(JobIDSort(resp))
return resp, qm, nil
}
// PrefixList is used to list all existing jobs that match the prefix.
func (j *Jobs) PrefixList(prefix string) ([]*JobListStub, *QueryMeta, error) {
return j.List(&QueryOptions{Prefix: prefix})
}
// Info is used to retrieve information about a particular
// job given its unique ID.
func (j *Jobs) Info(jobID string, q *QueryOptions) (*Job, *QueryMeta, error) {
var resp Job
qm, err := j.client.query("/v1/job/"+url.PathEscape(jobID), &resp, q)
if err != nil {
return nil, nil, err
}
return &resp, qm, nil
}
// Scale is used to retrieve information about a particular
// job given its unique ID.
func (j *Jobs) Scale(jobID, group string, count *int, message string, error bool, meta map[string]interface{},
q *WriteOptions) (*JobRegisterResponse, *WriteMeta, error) {
var count64 *int64
if count != nil {
count64 = int64ToPtr(int64(*count))
}
req := &ScalingRequest{
Count: count64,
Target: map[string]string{
"Job": jobID,
"Group": group,
},
Error: error,
Message: message,
Meta: meta,
}
var resp JobRegisterResponse
qm, err := j.client.write(fmt.Sprintf("/v1/job/%s/scale", url.PathEscape(jobID)), req, &resp, q)
if err != nil {
return nil, nil, err
}
return &resp, qm, nil
}
// ScaleStatus is used to retrieve information about a particular
// job given its unique ID.
func (j *Jobs) ScaleStatus(jobID string, q *QueryOptions) (*JobScaleStatusResponse, *QueryMeta, error) {
var resp JobScaleStatusResponse
qm, err := j.client.query(fmt.Sprintf("/v1/job/%s/scale", url.PathEscape(jobID)), &resp, q)
if err != nil {
return nil, nil, err
}
return &resp, qm, nil
}
// Versions is used to retrieve all versions of a particular job given its
// unique ID.
func (j *Jobs) Versions(jobID string, diffs bool, q *QueryOptions) ([]*Job, []*JobDiff, *QueryMeta, error) {
var resp JobVersionsResponse
qm, err := j.client.query(fmt.Sprintf("/v1/job/%s/versions?diffs=%v", url.PathEscape(jobID), diffs), &resp, q)
if err != nil {
return nil, nil, nil, err
}
return resp.Versions, resp.Diffs, qm, nil
}
// Allocations is used to return the allocs for a given job ID.
func (j *Jobs) Allocations(jobID string, allAllocs bool, q *QueryOptions) ([]*AllocationListStub, *QueryMeta, error) {
var resp []*AllocationListStub
u, err := url.Parse("/v1/job/" + url.PathEscape(jobID) + "/allocations")
if err != nil {
return nil, nil, err
}
v := u.Query()
v.Add("all", strconv.FormatBool(allAllocs))
u.RawQuery = v.Encode()
qm, err := j.client.query(u.String(), &resp, q)
if err != nil {
return nil, nil, err
}
sort.Sort(AllocIndexSort(resp))
return resp, qm, nil
}
// Deployments is used to query the deployments associated with the given job
// ID.
func (j *Jobs) Deployments(jobID string, all bool, q *QueryOptions) ([]*Deployment, *QueryMeta, error) {
var resp []*Deployment
u, err := url.Parse("/v1/job/" + url.PathEscape(jobID) + "/deployments")
if err != nil {
return nil, nil, err
}
v := u.Query()
v.Add("all", strconv.FormatBool(all))
u.RawQuery = v.Encode()
qm, err := j.client.query(u.String(), &resp, q)
if err != nil {
return nil, nil, err
}
sort.Sort(DeploymentIndexSort(resp))
return resp, qm, nil
}
// LatestDeployment is used to query for the latest deployment associated with
// the given job ID.
func (j *Jobs) LatestDeployment(jobID string, q *QueryOptions) (*Deployment, *QueryMeta, error) {
var resp *Deployment
qm, err := j.client.query("/v1/job/"+url.PathEscape(jobID)+"/deployment", &resp, q)
if err != nil {
return nil, nil, err
}
return resp, qm, nil
}
// Evaluations is used to query the evaluations associated with the given job
// ID.
func (j *Jobs) Evaluations(jobID string, q *QueryOptions) ([]*Evaluation, *QueryMeta, error) {
var resp []*Evaluation
qm, err := j.client.query("/v1/job/"+url.PathEscape(jobID)+"/evaluations", &resp, q)
if err != nil {
return nil, nil, err
}
sort.Sort(EvalIndexSort(resp))
return resp, qm, nil
}
// 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 (j *Jobs) Deregister(jobID string, purge bool, q *WriteOptions) (string, *WriteMeta, error) {
var resp JobDeregisterResponse
wm, err := j.client.delete(fmt.Sprintf("/v1/job/%v?purge=%t", url.PathEscape(jobID), purge), &resp, q)
if err != nil {
return "", nil, err
}
return resp.EvalID, wm, nil
}
// DeregisterOptions is used to pass through job deregistration parameters
type DeregisterOptions struct {
// 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.
Purge bool
// If Global is set to true, all regions of a multiregion job will be
// stopped.
Global bool
// EvalPriority is an optional priority to use on any evaluation created as
// a result on this job deregistration. This value must be between 1-100
// inclusively, where a larger value corresponds to a higher priority. This
// is useful when an operator wishes to push through a job deregistration
// in busy clusters with a large evaluation backlog.
EvalPriority int
// NoShutdownDelay, if set to true, will override the group and
// task shutdown_delay configuration and ignore the delay for any
// allocations stopped as a result of this Deregister call.
NoShutdownDelay bool
}
// DeregisterOpts is used to remove an existing job. See DeregisterOptions
// for parameters.
func (j *Jobs) DeregisterOpts(jobID string, opts *DeregisterOptions, q *WriteOptions) (string, *WriteMeta, error) {
var resp JobDeregisterResponse
// The base endpoint to add query params to.
endpoint := "/v1/job/" + url.PathEscape(jobID)
// Protect against nil opts. url.Values expects a string, and so using
// fmt.Sprintf is the best way to do this.
if opts != nil {
endpoint += fmt.Sprintf("?purge=%t&global=%t&eval_priority=%v&no_shutdown_delay=%t",
opts.Purge, opts.Global, opts.EvalPriority, opts.NoShutdownDelay)
}
wm, err := j.client.delete(endpoint, &resp, q)
if err != nil {
return "", nil, err
}
return resp.EvalID, wm, nil
}
// ForceEvaluate is used to force-evaluate an existing job.
func (j *Jobs) ForceEvaluate(jobID string, q *WriteOptions) (string, *WriteMeta, error) {
var resp JobRegisterResponse
wm, err := j.client.write("/v1/job/"+url.PathEscape(jobID)+"/evaluate", nil, &resp, q)
if err != nil {
return "", nil, err
}
return resp.EvalID, wm, nil
}
// EvaluateWithOpts is used to force-evaluate an existing job and takes additional options
// for whether to force reschedule failed allocations
func (j *Jobs) EvaluateWithOpts(jobID string, opts EvalOptions, q *WriteOptions) (string, *WriteMeta, error) {
req := &JobEvaluateRequest{
JobID: jobID,
EvalOptions: opts,
}
var resp JobRegisterResponse
wm, err := j.client.write("/v1/job/"+url.PathEscape(jobID)+"/evaluate", req, &resp, q)
if err != nil {
return "", nil, err
}
return resp.EvalID, wm, nil
}
// PeriodicForce spawns a new instance of the periodic job and returns the eval ID
func (j *Jobs) PeriodicForce(jobID string, q *WriteOptions) (string, *WriteMeta, error) {
var resp periodicForceResponse
wm, err := j.client.write("/v1/job/"+url.PathEscape(jobID)+"/periodic/force", nil, &resp, q)
if err != nil {
return "", nil, err
}
return resp.EvalID, wm, nil
}
// PlanOptions is used to pass through job planning parameters
type PlanOptions struct {
Diff bool
PolicyOverride bool
}
func (j *Jobs) Plan(job *Job, diff bool, q *WriteOptions) (*JobPlanResponse, *WriteMeta, error) {
opts := PlanOptions{Diff: diff}
return j.PlanOpts(job, &opts, q)
}
func (j *Jobs) PlanOpts(job *Job, opts *PlanOptions, q *WriteOptions) (*JobPlanResponse, *WriteMeta, error) {
if job == nil {
return nil, nil, fmt.Errorf("must pass non-nil job")
}
// Setup the request
req := &JobPlanRequest{
Job: job,
}
if opts != nil {
req.Diff = opts.Diff
req.PolicyOverride = opts.PolicyOverride
}
var resp JobPlanResponse
wm, err := j.client.write("/v1/job/"+url.PathEscape(*job.ID)+"/plan", req, &resp, q)
if err != nil {
return nil, nil, err
}
return &resp, wm, nil
}
func (j *Jobs) Summary(jobID string, q *QueryOptions) (*JobSummary, *QueryMeta, error) {
var resp JobSummary
qm, err := j.client.query("/v1/job/"+url.PathEscape(jobID)+"/summary", &resp, q)
if err != nil {
return nil, nil, err
}
return &resp, qm, nil
}
func (j *Jobs) Dispatch(jobID string, meta map[string]string,
payload []byte, q *WriteOptions) (*JobDispatchResponse, *WriteMeta, error) {
var resp JobDispatchResponse
req := &JobDispatchRequest{
JobID: jobID,
Meta: meta,
Payload: payload,
}
wm, err := j.client.write("/v1/job/"+url.PathEscape(jobID)+"/dispatch", req, &resp, q)
if err != nil {
return nil, nil, err
}
return &resp, wm, nil
}
// 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 (j *Jobs) Revert(jobID string, version uint64, enforcePriorVersion *uint64,
q *WriteOptions, consulToken, vaultToken string) (*JobRegisterResponse, *WriteMeta, error) {
var resp JobRegisterResponse
req := &JobRevertRequest{
JobID: jobID,
JobVersion: version,
EnforcePriorVersion: enforcePriorVersion,
// ConsulToken: consulToken, // TODO(shoenig) enable!
VaultToken: vaultToken,
}
wm, err := j.client.write("/v1/job/"+url.PathEscape(jobID)+"/revert", req, &resp, q)
if err != nil {
return nil, nil, err
}
return &resp, wm, nil
}
// Stable is used to mark a job version's stability.
func (j *Jobs) Stable(jobID string, version uint64, stable bool,
q *WriteOptions) (*JobStabilityResponse, *WriteMeta, error) {
var resp JobStabilityResponse
req := &JobStabilityRequest{
JobID: jobID,
JobVersion: version,
Stable: stable,
}
wm, err := j.client.write("/v1/job/"+url.PathEscape(jobID)+"/stable", req, &resp, q)
if err != nil {
return nil, nil, err
}
return &resp, wm, nil
}
// Services is used to return a list of service registrations associated to the
// specified jobID.
func (j *Jobs) Services(jobID string, q *QueryOptions) ([]*ServiceRegistration, *QueryMeta, error) {
var resp []*ServiceRegistration
qm, err := j.client.query("/v1/job/"+jobID+"/services", &resp, q)
return resp, qm, err
}
// periodicForceResponse is used to deserialize a force response
type periodicForceResponse struct {
EvalID string
}
// UpdateStrategy defines a task groups update strategy.
type UpdateStrategy struct {
Stagger *time.Duration `mapstructure:"stagger" hcl:"stagger,optional"`
MaxParallel *int `mapstructure:"max_parallel" hcl:"max_parallel,optional"`
HealthCheck *string `mapstructure:"health_check" hcl:"health_check,optional"`
MinHealthyTime *time.Duration `mapstructure:"min_healthy_time" hcl:"min_healthy_time,optional"`
HealthyDeadline *time.Duration `mapstructure:"healthy_deadline" hcl:"healthy_deadline,optional"`
ProgressDeadline *time.Duration `mapstructure:"progress_deadline" hcl:"progress_deadline,optional"`
Canary *int `mapstructure:"canary" hcl:"canary,optional"`
AutoRevert *bool `mapstructure:"auto_revert" hcl:"auto_revert,optional"`
AutoPromote *bool `mapstructure:"auto_promote" hcl:"auto_promote,optional"`
}
// DefaultUpdateStrategy provides a baseline that can be used to upgrade
// jobs with the old policy or for populating field defaults.
func DefaultUpdateStrategy() *UpdateStrategy {
return &UpdateStrategy{
Stagger: timeToPtr(30 * time.Second),
MaxParallel: intToPtr(1),
HealthCheck: stringToPtr("checks"),
MinHealthyTime: timeToPtr(10 * time.Second),
HealthyDeadline: timeToPtr(5 * time.Minute),
ProgressDeadline: timeToPtr(10 * time.Minute),
AutoRevert: boolToPtr(false),
Canary: intToPtr(0),
AutoPromote: boolToPtr(false),
}
}
func (u *UpdateStrategy) Copy() *UpdateStrategy {
if u == nil {
return nil
}
copy := new(UpdateStrategy)
if u.Stagger != nil {
copy.Stagger = timeToPtr(*u.Stagger)
}
if u.MaxParallel != nil {
copy.MaxParallel = intToPtr(*u.MaxParallel)
}
if u.HealthCheck != nil {
copy.HealthCheck = stringToPtr(*u.HealthCheck)
}
if u.MinHealthyTime != nil {
copy.MinHealthyTime = timeToPtr(*u.MinHealthyTime)
}
if u.HealthyDeadline != nil {
copy.HealthyDeadline = timeToPtr(*u.HealthyDeadline)
}
if u.ProgressDeadline != nil {
copy.ProgressDeadline = timeToPtr(*u.ProgressDeadline)
}
if u.AutoRevert != nil {
copy.AutoRevert = boolToPtr(*u.AutoRevert)
}
if u.Canary != nil {
copy.Canary = intToPtr(*u.Canary)
}
if u.AutoPromote != nil {
copy.AutoPromote = boolToPtr(*u.AutoPromote)
}
return copy
}
func (u *UpdateStrategy) Merge(o *UpdateStrategy) {
if o == nil {
return
}
if o.Stagger != nil {
u.Stagger = timeToPtr(*o.Stagger)
}
if o.MaxParallel != nil {
u.MaxParallel = intToPtr(*o.MaxParallel)
}
if o.HealthCheck != nil {
u.HealthCheck = stringToPtr(*o.HealthCheck)
}
if o.MinHealthyTime != nil {
u.MinHealthyTime = timeToPtr(*o.MinHealthyTime)
}
if o.HealthyDeadline != nil {
u.HealthyDeadline = timeToPtr(*o.HealthyDeadline)
}
if o.ProgressDeadline != nil {
u.ProgressDeadline = timeToPtr(*o.ProgressDeadline)
}
if o.AutoRevert != nil {
u.AutoRevert = boolToPtr(*o.AutoRevert)
}
if o.Canary != nil {
u.Canary = intToPtr(*o.Canary)
}
if o.AutoPromote != nil {
u.AutoPromote = boolToPtr(*o.AutoPromote)
}
}
func (u *UpdateStrategy) Canonicalize() {
d := DefaultUpdateStrategy()
if u.MaxParallel == nil {
u.MaxParallel = d.MaxParallel
}
if u.Stagger == nil {
u.Stagger = d.Stagger
}
if u.HealthCheck == nil {
u.HealthCheck = d.HealthCheck
}
if u.HealthyDeadline == nil {
u.HealthyDeadline = d.HealthyDeadline
}
if u.ProgressDeadline == nil {
u.ProgressDeadline = d.ProgressDeadline
}
if u.MinHealthyTime == nil {
u.MinHealthyTime = d.MinHealthyTime
}
if u.AutoRevert == nil {
u.AutoRevert = d.AutoRevert
}
if u.Canary == nil {
u.Canary = d.Canary
}
if u.AutoPromote == nil {
u.AutoPromote = d.AutoPromote
}
}
// Empty returns whether the UpdateStrategy is empty or has user defined values.
func (u *UpdateStrategy) Empty() bool {
if u == nil {
return true
}
if u.Stagger != nil && *u.Stagger != 0 {
return false
}
if u.MaxParallel != nil && *u.MaxParallel != 0 {
return false
}
if u.HealthCheck != nil && *u.HealthCheck != "" {
return false
}
if u.MinHealthyTime != nil && *u.MinHealthyTime != 0 {
return false
}
if u.HealthyDeadline != nil && *u.HealthyDeadline != 0 {
return false
}
if u.ProgressDeadline != nil && *u.ProgressDeadline != 0 {
return false
}
if u.AutoRevert != nil && *u.AutoRevert {
return false
}
if u.AutoPromote != nil && *u.AutoPromote {
return false
}
if u.Canary != nil && *u.Canary != 0 {
return false
}
return true
}
type Multiregion struct {
Strategy *MultiregionStrategy `hcl:"strategy,block"`
Regions []*MultiregionRegion `hcl:"region,block"`
}
func (m *Multiregion) Canonicalize() {
if m.Strategy == nil {
m.Strategy = &MultiregionStrategy{
MaxParallel: intToPtr(0),
OnFailure: stringToPtr(""),
}
} else {
if m.Strategy.MaxParallel == nil {
m.Strategy.MaxParallel = intToPtr(0)
}
if m.Strategy.OnFailure == nil {
m.Strategy.OnFailure = stringToPtr("")
}
}
if m.Regions == nil {
m.Regions = []*MultiregionRegion{}
}
for _, region := range m.Regions {
if region.Count == nil {
region.Count = intToPtr(1)
}
if region.Datacenters == nil {
region.Datacenters = []string{}
}
if region.Meta == nil {
region.Meta = map[string]string{}
}
}
}
func (m *Multiregion) Copy() *Multiregion {
if m == nil {
return nil
}
copy := new(Multiregion)
if m.Strategy != nil {
copy.Strategy = new(MultiregionStrategy)
copy.Strategy.MaxParallel = intToPtr(*m.Strategy.MaxParallel)
copy.Strategy.OnFailure = stringToPtr(*m.Strategy.OnFailure)
}
for _, region := range m.Regions {
copyRegion := new(MultiregionRegion)
copyRegion.Name = region.Name
copyRegion.Count = intToPtr(*region.Count)
copyRegion.Datacenters = append(copyRegion.Datacenters, region.Datacenters...)
for k, v := range region.Meta {
copyRegion.Meta[k] = v
}
copy.Regions = append(copy.Regions, copyRegion)
}
return copy
}
type MultiregionStrategy struct {
MaxParallel *int `mapstructure:"max_parallel" hcl:"max_parallel,optional"`
OnFailure *string `mapstructure:"on_failure" hcl:"on_failure,optional"`
}
type MultiregionRegion struct {
Name string `hcl:",label"`
Count *int `hcl:"count,optional"`
Datacenters []string `hcl:"datacenters,optional"`
Meta map[string]string `hcl:"meta,block"`
}
// PeriodicConfig is for serializing periodic config for a job.
type PeriodicConfig struct {
Enabled *bool `hcl:"enabled,optional"`
Spec *string `hcl:"cron,optional"`
SpecType *string
ProhibitOverlap *bool `mapstructure:"prohibit_overlap" hcl:"prohibit_overlap,optional"`
TimeZone *string `mapstructure:"time_zone" hcl:"time_zone,optional"`
}
func (p *PeriodicConfig) Canonicalize() {
if p.Enabled == nil {
p.Enabled = boolToPtr(true)
}
if p.Spec == nil {
p.Spec = stringToPtr("")
}
if p.SpecType == nil {
p.SpecType = stringToPtr(PeriodicSpecCron)
}
if p.ProhibitOverlap == nil {
p.ProhibitOverlap = boolToPtr(false)
}
if p.TimeZone == nil || *p.TimeZone == "" {
p.TimeZone = stringToPtr("UTC")
}
}
// 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.
func (p *PeriodicConfig) Next(fromTime time.Time) (time.Time, error) {
if *p.SpecType == PeriodicSpecCron {
e, err := cronexpr.Parse(*p.Spec)
if err != nil {
return time.Time{}, fmt.Errorf("failed parsing cron expression %q: %v", *p.Spec, err)
}
return cronParseNext(e, fromTime, *p.Spec)
}
return time.Time{}, nil
}
// cronParseNext is a helper that parses the next time for the given expression
// but captures any panic that may occur in the underlying library.
// --- THIS FUNCTION IS REPLICATED IN nomad/structs/structs.go
// and should be kept in sync.
func cronParseNext(e *cronexpr.Expression, fromTime time.Time, spec string) (t time.Time, err error) {
defer func() {
if recover() != nil {
t = time.Time{}
err = fmt.Errorf("failed parsing cron expression: %q", spec)
}
}()
return e.Next(fromTime), nil
}
func (p *PeriodicConfig) GetLocation() (*time.Location, error) {
if p.TimeZone == nil || *p.TimeZone == "" {
return time.UTC, nil
}
return time.LoadLocation(*p.TimeZone)
}
// ParameterizedJobConfig is used to configure the parameterized job.
type ParameterizedJobConfig struct {
Payload string `hcl:"payload,optional"`
MetaRequired []string `mapstructure:"meta_required" hcl:"meta_required,optional"`
MetaOptional []string `mapstructure:"meta_optional" hcl:"meta_optional,optional"`
}
// Job is used to serialize a job.
type Job struct {
/* Fields parsed from HCL config */
Region *string `hcl:"region,optional"`
Namespace *string `hcl:"namespace,optional"`
ID *string `hcl:"id,optional"`
Name *string `hcl:"name,optional"`
Type *string `hcl:"type,optional"`
Priority *int `hcl:"priority,optional"`
AllAtOnce *bool `mapstructure:"all_at_once" hcl:"all_at_once,optional"`
Datacenters []string `hcl:"datacenters,optional"`
Constraints []*Constraint `hcl:"constraint,block"`
Affinities []*Affinity `hcl:"affinity,block"`
TaskGroups []*TaskGroup `hcl:"group,block"`
Update *UpdateStrategy `hcl:"update,block"`
Multiregion *Multiregion `hcl:"multiregion,block"`
Spreads []*Spread `hcl:"spread,block"`
Periodic *PeriodicConfig `hcl:"periodic,block"`
ParameterizedJob *ParameterizedJobConfig `hcl:"parameterized,block"`
Reschedule *ReschedulePolicy `hcl:"reschedule,block"`
Migrate *MigrateStrategy `hcl:"migrate,block"`
Meta map[string]string `hcl:"meta,block"`
ConsulToken *string `mapstructure:"consul_token" hcl:"consul_token,optional"`
VaultToken *string `mapstructure:"vault_token" hcl:"vault_token,optional"`
/* Fields set by server, not sourced from job config file */
Stop *bool
ParentID *string
Dispatched bool
DispatchIdempotencyToken *string
Payload []byte
ConsulNamespace *string `mapstructure:"consul_namespace"`
VaultNamespace *string `mapstructure:"vault_namespace"`
NomadTokenID *string `mapstructure:"nomad_token_id"`
Status *string
StatusDescription *string
Stable *bool
Version *uint64
SubmitTime *int64
CreateIndex *uint64
ModifyIndex *uint64
JobModifyIndex *uint64
}
// IsPeriodic returns whether a job is periodic.
func (j *Job) IsPeriodic() bool {
return j.Periodic != nil
}
// IsParameterized returns whether a job is parameterized job.
func (j *Job) IsParameterized() bool {
return j.ParameterizedJob != nil && !j.Dispatched
}
// IsMultiregion returns whether a job is a multiregion job
func (j *Job) IsMultiregion() bool {
return j.Multiregion != nil && j.Multiregion.Regions != nil && len(j.Multiregion.Regions) > 0
}
func (j *Job) Canonicalize() {
if j.ID == nil {
j.ID = stringToPtr("")
}
if j.Name == nil {
j.Name = stringToPtr(*j.ID)
}
if j.ParentID == nil {
j.ParentID = stringToPtr("")
}
if j.Namespace == nil {
j.Namespace = stringToPtr(DefaultNamespace)
}
if j.Priority == nil {
j.Priority = intToPtr(50)
}
if j.Stop == nil {
j.Stop = boolToPtr(false)
}
if j.Region == nil {
j.Region = stringToPtr(GlobalRegion)
}
if j.Namespace == nil {
j.Namespace = stringToPtr("default")
}
if j.Type == nil {
j.Type = stringToPtr("service")
}
if j.AllAtOnce == nil {
j.AllAtOnce = boolToPtr(false)
}
if j.ConsulToken == nil {
j.ConsulToken = stringToPtr("")
}
if j.ConsulNamespace == nil {
j.ConsulNamespace = stringToPtr("")
}
if j.VaultToken == nil {
j.VaultToken = stringToPtr("")
}
if j.VaultNamespace == nil {
j.VaultNamespace = stringToPtr("")
}
if j.NomadTokenID == nil {
j.NomadTokenID = stringToPtr("")
}
if j.Status == nil {
j.Status = stringToPtr("")
}
if j.StatusDescription == nil {
j.StatusDescription = stringToPtr("")
}
if j.Stable == nil {
j.Stable = boolToPtr(false)
}
if j.Version == nil {
j.Version = uint64ToPtr(0)
}
if j.CreateIndex == nil {
j.CreateIndex = uint64ToPtr(0)
}
if j.ModifyIndex == nil {
j.ModifyIndex = uint64ToPtr(0)
}
if j.JobModifyIndex == nil {
j.JobModifyIndex = uint64ToPtr(0)
}
if j.Periodic != nil {
j.Periodic.Canonicalize()
}
if j.Update != nil {
j.Update.Canonicalize()
} else if *j.Type == JobTypeService {
j.Update = DefaultUpdateStrategy()
}
if j.Multiregion != nil {
j.Multiregion.Canonicalize()
}
for _, tg := range j.TaskGroups {
tg.Canonicalize(j)
}
for _, spread := range j.Spreads {
spread.Canonicalize()
}
for _, a := range j.Affinities {
a.Canonicalize()
}
}
// LookupTaskGroup finds a task group by name
func (j *Job) LookupTaskGroup(name string) *TaskGroup {
for _, tg := range j.TaskGroups {
if *tg.Name == name {
return tg
}
}
return nil
}
// JobSummary summarizes the state of the allocations of a job
type JobSummary struct {
JobID string
Namespace string
Summary map[string]TaskGroupSummary
Children *JobChildrenSummary
// Raft Indexes
CreateIndex uint64
ModifyIndex uint64