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task.go
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task.go
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package task
import (
"time"
"github.com/runabol/tork/clone"
)
// State defines the list of states that a
// task can be in, at any given moment.
type State string
const (
Pending State = "PENDING"
Scheduled State = "SCHEDULED"
Running State = "RUNNING"
Cancelled State = "CANCELLED"
Stopped State = "STOPPED"
Completed State = "COMPLETED"
Failed State = "FAILED"
)
// Task is the basic unit of work that a Worker can handle.
type Task struct {
ID string `json:"id,omitempty"`
JobID string `json:"jobId,omitempty"`
ParentID string `json:"parentId,omitempty"`
Position int `json:"position,omitempty"`
Name string `json:"name,omitempty"`
Description string `json:"description,omitempty"`
State State `json:"state,omitempty"`
CreatedAt *time.Time `json:"createdAt,omitempty"`
ScheduledAt *time.Time `json:"scheduledAt,omitempty"`
StartedAt *time.Time `json:"startedAt,omitempty"`
CompletedAt *time.Time `json:"completedAt,omitempty"`
FailedAt *time.Time `json:"failedAt,omitempty"`
CMD []string `json:"cmd,omitempty"`
Entrypoint []string `json:"entrypoint,omitempty"`
Run string `json:"run,omitempty"`
Image string `json:"image,omitempty"`
Env map[string]string `json:"env,omitempty"`
Files map[string]string `json:"files,omitempty"`
Queue string `json:"queue,omitempty"`
Error string `json:"error,omitempty"`
Pre []*Task `json:"pre,omitempty"`
Post []*Task `json:"post,omitempty"`
Volumes []string `json:"volumes,omitempty"`
Networks []string `json:"networks,omitempty"`
NodeID string `json:"nodeId,omitempty"`
Retry *Retry `json:"retry,omitempty"`
Limits *Limits `json:"limits,omitempty"`
Timeout string `json:"timeout,omitempty"`
Result string `json:"result,omitempty"`
Var string `json:"var,omitempty"`
If string `json:"if,omitempty"`
Parallel *Parallel `json:"parallel,omitempty"`
Each *Each `json:"each,omitempty"`
SubJob *SubJob `json:"subjob,omitempty"`
}
type SubJob struct {
ID string `json:"id,omitempty"`
Name string `json:"name,omitempty"`
Description string `json:"description,omitempty"`
Tasks []*Task `json:"tasks,omitempty"`
Inputs map[string]string `json:"inputs,omitempty"`
Output string `json:"output,omitempty"`
}
type Parallel struct {
Tasks []*Task `json:"tasks,omitempty"`
Completions int `json:"completions,omitempty"`
}
type Each struct {
List string `json:"list,omitempty"`
Task *Task `json:"task,omitempty"`
Size int `json:"size,omitempty"`
Completions int `json:"completions,omitempty"`
}
type Retry struct {
Limit int `json:"limit,omitempty"`
Attempts int `json:"attempts,omitempty"`
}
type Limits struct {
CPUs string `json:"cpus,omitempty"`
Memory string `json:"memory,omitempty"`
}
func (s State) IsActive() bool {
return s == Pending ||
s == Scheduled ||
s == Running
}
func (t *Task) Clone() *Task {
var retry *Retry
if t.Retry != nil {
retry = t.Retry.Clone()
}
var limits *Limits
if t.Limits != nil {
limits = t.Limits.Clone()
}
var each *Each
if t.Each != nil {
each = t.Each.Clone()
}
var subjob *SubJob
if t.SubJob != nil {
subjob = t.SubJob.Clone()
}
var parallel *Parallel
if t.Parallel != nil {
parallel = t.Parallel.Clone()
}
return &Task{
ID: t.ID,
JobID: t.JobID,
ParentID: t.ParentID,
Position: t.Position,
Name: t.Name,
State: t.State,
CreatedAt: t.CreatedAt,
ScheduledAt: t.ScheduledAt,
StartedAt: t.StartedAt,
CompletedAt: t.CompletedAt,
FailedAt: t.FailedAt,
CMD: t.CMD,
Entrypoint: t.Entrypoint,
Run: t.Run,
Image: t.Image,
Env: clone.CloneStringMap(t.Env),
Files: clone.CloneStringMap(t.Files),
Queue: t.Queue,
Error: t.Error,
Pre: CloneTasks(t.Pre),
Post: CloneTasks(t.Post),
Volumes: t.Volumes,
Networks: t.Networks,
NodeID: t.NodeID,
Retry: retry,
Limits: limits,
Timeout: t.Timeout,
Result: t.Result,
Var: t.Var,
If: t.If,
Parallel: parallel,
Each: each,
Description: t.Description,
SubJob: subjob,
}
}
func CloneTasks(tasks []*Task) []*Task {
copy := make([]*Task, len(tasks))
for i, t := range tasks {
copy[i] = t.Clone()
}
return copy
}
func (r *Retry) Clone() *Retry {
return &Retry{
Limit: r.Limit,
Attempts: r.Attempts,
}
}
func (l *Limits) Clone() *Limits {
return &Limits{
CPUs: l.CPUs,
Memory: l.Memory,
}
}
func (e *Each) Clone() *Each {
return &Each{
List: e.List,
Task: e.Task.Clone(),
Size: e.Size,
Completions: e.Completions,
}
}
func (s *SubJob) Clone() *SubJob {
return &SubJob{
ID: s.ID,
Name: s.Name,
Description: s.Description,
Inputs: clone.CloneStringMap(s.Inputs),
Tasks: CloneTasks(s.Tasks),
Output: s.Output,
}
}
func (p *Parallel) Clone() *Parallel {
return &Parallel{
Tasks: CloneTasks(p.Tasks),
Completions: p.Completions,
}
}