adding policy to the tracked image to help with polling

types/tracked_images.go

@@ -22,12 +22,15 @@ type TrackedImage struct {
 	Meta         map[string]string // metadata supplied by providers
 	// a list of pre-release tags, ie: 1.0.0-dev, 1.5.0-prod get translated into
 	// dev, prod
-	// SemverPreReleaseTags []string
-	SemverPreReleaseTags map[string]string
 	// combined semver tags
-	Tags []string
+	Tags   []string
+	Policy Policy
+}
+
+type Policy interface {
+	ShouldUpdate(current, new string) (bool, error)
 }
 
 func (i TrackedImage) String() string {
-	return fmt.Sprintf("namespace:%s,image:%s:%s,provider:%s,trigger:%s,sched:%s,secrets:%s,semver:%v,tags:%v", i.Namespace, i.Image.Repository(), i.Image.Tag(), i.Provider, i.Trigger, i.PollSchedule, i.Secrets, i.SemverPreReleaseTags, i.Tags)
+	return fmt.Sprintf("namespace:%s,image:%s:%s,provider:%s,trigger:%s,sched:%s,secrets:%s", i.Namespace, i.Image.Repository(), i.Image.Tag(), i.Provider, i.Trigger, i.PollSchedule, i.Secrets)
 }

util/testing/testing.go

@@ -88,13 +88,12 @@ func GetTrackedImage(i string) *types.TrackedImage {
 		panic(err)
 	}
 	return &types.TrackedImage{
-		Image:                ref,
-		PollSchedule:         "",
-		Trigger:              types.TriggerTypeDefault,
-		Provider:             "",
-		Namespace:            "",
-		Meta:                 make(map[string]string),
-		SemverPreReleaseTags: make(map[string]string),
-		Tags:                 []string{ref.Tag()},
+		Image:        ref,
+		PollSchedule: "",
+		Trigger:      types.TriggerTypeDefault,
+		Provider:     "",
+		Namespace:    "",
+		Meta:         make(map[string]string),
+		Tags:         []string{ref.Tag()},
 	}
 }