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models.go
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models.go
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package pipeline
import (
"database/sql/driver"
"encoding/json"
"fmt"
"math/big"
"strconv"
"time"
"github.com/google/uuid"
"github.com/pkg/errors"
"github.com/shopspring/decimal"
"go.uber.org/multierr"
"gopkg.in/guregu/null.v4"
"github.com/smartcontractkit/chainlink/v2/core/store/models"
)
type Spec struct {
ID int32
DotDagSource string `json:"dotDagSource"`
CreatedAt time.Time `json:"-"`
MaxTaskDuration models.Interval `json:"-"`
GasLimit *uint32 `json:"-"`
ForwardingAllowed bool `json:"-"`
JobID int32 `json:"-"`
JobName string `json:"-"`
JobType string `json:"-"`
}
func (s Spec) Pipeline() (*Pipeline, error) {
return Parse(s.DotDagSource)
}
type Run struct {
ID int64 `json:"-"`
PipelineSpecID int32 `json:"-"`
PipelineSpec Spec `json:"pipelineSpec"`
Meta JSONSerializable `json:"meta"`
// The errors are only ever strings
// DB example: [null, null, "my error"]
AllErrors RunErrors `json:"all_errors"`
FatalErrors RunErrors `json:"fatal_errors"`
Inputs JSONSerializable `json:"inputs"`
// Its expected that Output.Val is of type []interface{}.
// DB example: [1234, {"a": 10}, null]
Outputs JSONSerializable `json:"outputs"`
CreatedAt time.Time `json:"createdAt"`
FinishedAt null.Time `json:"finishedAt"`
PipelineTaskRuns []TaskRun `json:"taskRuns"`
State RunStatus `json:"state"`
Pending bool
// FailSilently is used to signal that a task with the failEarly flag has failed, and we want to not put this in the db
FailSilently bool
}
func (r Run) GetID() string {
return fmt.Sprintf("%v", r.ID)
}
func (r *Run) SetID(value string) error {
ID, err := strconv.ParseInt(value, 10, 32)
if err != nil {
return err
}
r.ID = int64(ID)
return nil
}
func (r Run) HasFatalErrors() bool {
for _, err := range r.FatalErrors {
if !err.IsZero() {
return true
}
}
return false
}
func (r Run) HasErrors() bool {
for _, err := range r.AllErrors {
if !err.IsZero() {
return true
}
}
return false
}
// Status determines the status of the run.
func (r *Run) Status() RunStatus {
if r.HasFatalErrors() {
return RunStatusErrored
} else if r.FinishedAt.Valid {
return RunStatusCompleted
}
return RunStatusRunning
}
func (r *Run) ByDotID(id string) *TaskRun {
for i, run := range r.PipelineTaskRuns {
if run.DotID == id {
return &r.PipelineTaskRuns[i]
}
}
return nil
}
func (r *Run) StringOutputs() ([]*string, error) {
// The UI expects all outputs to be strings.
var outputs []*string
// Note for async jobs, Outputs can be nil/invalid
if r.Outputs.Valid {
outs, ok := r.Outputs.Val.([]interface{})
if !ok {
return nil, fmt.Errorf("unable to process output type %T", r.Outputs.Val)
}
if r.Outputs.Valid && r.Outputs.Val != nil {
for _, out := range outs {
switch v := out.(type) {
case string:
s := v
outputs = append(outputs, &s)
case map[string]interface{}:
b, _ := json.Marshal(v)
bs := string(b)
outputs = append(outputs, &bs)
case decimal.Decimal:
s := v.String()
outputs = append(outputs, &s)
case *decimal.Decimal:
s := v.String()
outputs = append(outputs, &s)
case big.Int:
s := v.String()
outputs = append(outputs, &s)
case *big.Int:
s := v.String()
outputs = append(outputs, &s)
case int8, uint8, int16, uint16, int32, uint32, int64, uint64:
s := fmt.Sprintf("%v", v)
outputs = append(outputs, &s)
case float64:
s := strconv.FormatFloat(v, 'f', -1, 64)
outputs = append(outputs, &s)
case nil:
outputs = append(outputs, nil)
default:
return nil, fmt.Errorf("unable to process output type %T", out)
}
}
}
}
return outputs, nil
}
func (r *Run) StringFatalErrors() []*string {
var fatalErrors []*string
for _, err := range r.FatalErrors {
if err.Valid {
s := err.String
fatalErrors = append(fatalErrors, &s)
} else {
fatalErrors = append(fatalErrors, nil)
}
}
return fatalErrors
}
func (r *Run) StringAllErrors() []*string {
var allErrors []*string
for _, err := range r.AllErrors {
if err.Valid {
s := err.String
allErrors = append(allErrors, &s)
} else {
allErrors = append(allErrors, nil)
}
}
return allErrors
}
type RunErrors []null.String
func (re *RunErrors) Scan(value interface{}) error {
if value == nil {
return nil
}
bytes, ok := value.([]byte)
if !ok {
return errors.Errorf("RunErrors#Scan received a value of type %T", value)
}
return json.Unmarshal(bytes, re)
}
func (re RunErrors) Value() (driver.Value, error) {
if len(re) == 0 {
return nil, nil
}
return json.Marshal(re)
}
func (re RunErrors) HasError() bool {
for _, e := range re {
if !e.IsZero() {
return true
}
}
return false
}
// ToError coalesces all non-nil errors into a single error object.
// This is useful for logging.
func (re RunErrors) ToError() error {
toErr := func(ns null.String) error {
if !ns.IsZero() {
return errors.New(ns.String)
}
return nil
}
errs := []error{}
for _, e := range re {
errs = append(errs, toErr(e))
}
return multierr.Combine(errs...)
}
type ResumeRequest struct {
Error null.String `json:"error"`
Value json.RawMessage `json:"value"`
}
func (rr ResumeRequest) ToResult() (Result, error) {
var res Result
if rr.Error.Valid && rr.Value == nil {
res.Error = errors.New(rr.Error.ValueOrZero())
return res, nil
}
if !rr.Error.Valid && rr.Value != nil {
res.Value = []byte(rr.Value)
return res, nil
}
return Result{}, errors.New("must provide only one of either 'value' or 'error' key")
}
type TaskRun struct {
ID uuid.UUID `json:"id"`
Type TaskType `json:"type"`
PipelineRun Run `json:"-"`
PipelineRunID int64 `json:"-"`
Output JSONSerializable `json:"output"`
Error null.String `json:"error"`
CreatedAt time.Time `json:"createdAt"`
FinishedAt null.Time `json:"finishedAt"`
Index int32 `json:"index"`
DotID string `json:"dotId"`
// Used internally for sorting completed results
task Task
}
func (tr TaskRun) GetID() string {
return fmt.Sprintf("%v", tr.ID)
}
func (tr *TaskRun) SetID(value string) error {
ID, err := uuid.Parse(value)
if err != nil {
return err
}
tr.ID = ID
return nil
}
func (tr TaskRun) GetDotID() string {
return tr.DotID
}
func (tr TaskRun) Result() Result {
var result Result
if !tr.Error.IsZero() {
result.Error = errors.New(tr.Error.ValueOrZero())
} else if tr.Output.Valid && tr.Output.Val != nil {
result.Value = tr.Output.Val
}
return result
}
func (tr *TaskRun) IsPending() bool {
return !tr.FinishedAt.Valid && tr.Output.Empty() && tr.Error.IsZero()
}
// RunStatus represents the status of a run
type RunStatus string
const (
// RunStatusUnknown is the when the run status cannot be determined.
RunStatusUnknown RunStatus = "unknown"
// RunStatusRunning is used for when a run is actively being executed.
RunStatusRunning RunStatus = "running"
// RunStatusSuspended is used when a run is paused and awaiting further results.
RunStatusSuspended RunStatus = "suspended"
// RunStatusErrored is used for when a run has errored and will not complete.
RunStatusErrored RunStatus = "errored"
// RunStatusCompleted is used for when a run has successfully completed execution.
RunStatusCompleted RunStatus = "completed"
)
// Completed returns true if the status is RunStatusCompleted.
func (s RunStatus) Completed() bool {
return s == RunStatusCompleted
}
// Errored returns true if the status is RunStatusErrored.
func (s RunStatus) Errored() bool {
return s == RunStatusErrored
}
// Finished returns true if the status is final and can't be changed.
func (s RunStatus) Finished() bool {
return s.Completed() || s.Errored()
}