abstract polling and execution to runner-go library

engine/const.go

@@ -61,58 +61,3 @@ func (p *PullPolicy) UnmarshalJSON(b []byte) error {
 	*p = pullPolicyName[s]
 	return nil
 }
-
-// RunPolicy defines the policy for starting containers
-// based on the point-in-time pass or fail state of
-// the pipeline.
-type RunPolicy int
-
-// RunPolicy enumeration.
-const (
-	RunOnSuccess RunPolicy = iota
-	RunOnFailure
-	RunAlways
-	RunNever
-)
-
-func (r RunPolicy) String() string {
-	return runPolicyID[r]
-}
-
-var runPolicyID = map[RunPolicy]string{
-	RunOnSuccess: "on-success",
-	RunOnFailure: "on-failure",
-	RunAlways:    "always",
-	RunNever:     "never",
-}
-
-var runPolicyName = map[string]RunPolicy{
-	"":           RunOnSuccess,
-	"on-success": RunOnSuccess,
-	"on-failure": RunOnFailure,
-	"always":     RunAlways,
-	"never":      RunNever,
-}
-
-// MarshalJSON marshals the string representation of the
-// run type to JSON.
-func (r *RunPolicy) MarshalJSON() ([]byte, error) {
-	buffer := bytes.NewBufferString(`"`)
-	buffer.WriteString(runPolicyID[*r])
-	buffer.WriteString(`"`)
-	return buffer.Bytes(), nil
-}
-
-// UnmarshalJSON unmarshals the json representation of the
-// run type from a string value.
-func (r *RunPolicy) UnmarshalJSON(b []byte) error {
-	// unmarshal as string
-	var s string
-	err := json.Unmarshal(b, &s)
-	if err != nil {
-		return err
-	}
-	// lookup value
-	*r = runPolicyName[s]
-	return nil
-}