Example #1
0
// primitiveObjectDiff returns a diff of the passed objects' primitive fields.
// The filter field can be used to exclude fields from the diff. The name is the
// name of the objects. If contextual is set, non-changed fields will also be
// stored in the object diff.
func primitiveObjectDiff(old, new interface{}, filter []string, name string, contextual bool) *ObjectDiff {
	oldPrimitiveFlat := flatmap.Flatten(old, filter, true)
	newPrimitiveFlat := flatmap.Flatten(new, filter, true)
	delete(oldPrimitiveFlat, "")
	delete(newPrimitiveFlat, "")

	diff := &ObjectDiff{Name: name}
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, contextual)

	var added, deleted, edited bool
	for _, f := range diff.Fields {
		switch f.Type {
		case DiffTypeEdited:
			edited = true
			break
		case DiffTypeDeleted:
			deleted = true
		case DiffTypeAdded:
			added = true
		}
	}

	if edited || added && deleted {
		diff.Type = DiffTypeEdited
	} else if added {
		diff.Type = DiffTypeAdded
	} else if deleted {
		diff.Type = DiffTypeDeleted
	} else {
		return nil
	}

	return diff
}
Example #2
0
// serviceDiff returns the diff of two service objects. If contextual diff is
// enabled, all fields will be returned, even if no diff occurred.
func serviceDiff(old, new *Service, contextual bool) *ObjectDiff {
	diff := &ObjectDiff{Type: DiffTypeNone, Name: "Service"}
	var oldPrimitiveFlat, newPrimitiveFlat map[string]string

	if reflect.DeepEqual(old, new) {
		return nil
	} else if old == nil {
		old = &Service{}
		diff.Type = DiffTypeAdded
		newPrimitiveFlat = flatmap.Flatten(new, nil, true)
	} else if new == nil {
		new = &Service{}
		diff.Type = DiffTypeDeleted
		oldPrimitiveFlat = flatmap.Flatten(old, nil, true)
	} else {
		diff.Type = DiffTypeEdited
		oldPrimitiveFlat = flatmap.Flatten(old, nil, true)
		newPrimitiveFlat = flatmap.Flatten(new, nil, true)
	}

	// Diff the primitive fields.
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, contextual)

	// Checks diffs
	if cDiffs := serviceCheckDiffs(old.Checks, new.Checks, contextual); cDiffs != nil {
		diff.Objects = append(diff.Objects, cDiffs...)
	}

	return diff
}
Example #3
0
// Diff returns a diff of two resource objects. If contextual diff is enabled,
// non-changed fields will still be returned.
func (r *Resources) Diff(other *Resources, contextual bool) *ObjectDiff {
	diff := &ObjectDiff{Type: DiffTypeNone, Name: "Resources"}
	var oldPrimitiveFlat, newPrimitiveFlat map[string]string

	if reflect.DeepEqual(r, other) {
		return nil
	} else if r == nil {
		r = &Resources{}
		diff.Type = DiffTypeAdded
		newPrimitiveFlat = flatmap.Flatten(other, nil, true)
	} else if other == nil {
		other = &Resources{}
		diff.Type = DiffTypeDeleted
		oldPrimitiveFlat = flatmap.Flatten(r, nil, true)
	} else {
		diff.Type = DiffTypeEdited
		oldPrimitiveFlat = flatmap.Flatten(r, nil, true)
		newPrimitiveFlat = flatmap.Flatten(other, nil, true)
	}

	// Diff the primitive fields.
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, contextual)

	// Network Resources diff
	if nDiffs := networkResourceDiffs(r.Networks, other.Networks, contextual); nDiffs != nil {
		diff.Objects = append(diff.Objects, nDiffs...)
	}

	return diff
}
Example #4
0
File: diff.go Project: nak3/nomad
// vaultDiff returns the diff of two vault objects. If contextual diff is
// enabled, all fields will be returned, even if no diff occurred.
func vaultDiff(old, new *Vault, contextual bool) *ObjectDiff {
	diff := &ObjectDiff{Type: DiffTypeNone, Name: "Vault"}
	var oldPrimitiveFlat, newPrimitiveFlat map[string]string

	if reflect.DeepEqual(old, new) {
		return nil
	} else if old == nil {
		old = &Vault{}
		diff.Type = DiffTypeAdded
		newPrimitiveFlat = flatmap.Flatten(new, nil, true)
	} else if new == nil {
		new = &Vault{}
		diff.Type = DiffTypeDeleted
		oldPrimitiveFlat = flatmap.Flatten(old, nil, true)
	} else {
		diff.Type = DiffTypeEdited
		oldPrimitiveFlat = flatmap.Flatten(old, nil, true)
		newPrimitiveFlat = flatmap.Flatten(new, nil, true)
	}

	// Diff the primitive fields.
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, contextual)

	// Policies diffs
	if setDiff := stringSetDiff(old.Policies, new.Policies, "Policies", contextual); setDiff != nil {
		diff.Objects = append(diff.Objects, setDiff)
	}

	return diff
}
Example #5
0
// Diff returns a diff of two task groups. If contextual diff is enabled,
// objects' fields will be stored even if no diff occurred as long as one field
// changed.
func (tg *TaskGroup) Diff(other *TaskGroup, contextual bool) (*TaskGroupDiff, error) {
	diff := &TaskGroupDiff{Type: DiffTypeNone}
	var oldPrimitiveFlat, newPrimitiveFlat map[string]string
	filter := []string{"Name"}

	if tg == nil && other == nil {
		return diff, nil
	} else if tg == nil {
		tg = &TaskGroup{}
		diff.Type = DiffTypeAdded
		diff.Name = other.Name
		newPrimitiveFlat = flatmap.Flatten(other, filter, true)
	} else if other == nil {
		other = &TaskGroup{}
		diff.Type = DiffTypeDeleted
		diff.Name = tg.Name
		oldPrimitiveFlat = flatmap.Flatten(tg, filter, true)
	} else {
		if !reflect.DeepEqual(tg, other) {
			diff.Type = DiffTypeEdited
		}
		if tg.Name != other.Name {
			return nil, fmt.Errorf("can not diff task groups with different names: %q and %q", tg.Name, other.Name)
		}
		diff.Name = other.Name
		oldPrimitiveFlat = flatmap.Flatten(tg, filter, true)
		newPrimitiveFlat = flatmap.Flatten(other, filter, true)
	}

	// Diff the primitive fields.
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, false)

	// Constraints diff
	conDiff := primitiveObjectSetDiff(
		interfaceSlice(tg.Constraints),
		interfaceSlice(other.Constraints),
		[]string{"str"},
		"Constraint",
		contextual)
	if conDiff != nil {
		diff.Objects = append(diff.Objects, conDiff...)
	}

	// Restart policy diff
	rDiff := primitiveObjectDiff(tg.RestartPolicy, other.RestartPolicy, nil, "RestartPolicy", contextual)
	if rDiff != nil {
		diff.Objects = append(diff.Objects, rDiff)
	}

	// Tasks diff
	tasks, err := taskDiffs(tg.Tasks, other.Tasks, contextual)
	if err != nil {
		return nil, err
	}
	diff.Tasks = tasks

	return diff, nil
}
Example #6
0
// configDiff returns the diff of two Task Config objects. If contextual diff is
// enabled, all fields will be returned, even if no diff occurred.
func configDiff(old, new map[string]interface{}, contextual bool) *ObjectDiff {
	diff := &ObjectDiff{Type: DiffTypeNone, Name: "Config"}
	if reflect.DeepEqual(old, new) {
		return nil
	} else if len(old) == 0 {
		diff.Type = DiffTypeAdded
	} else if len(new) == 0 {
		diff.Type = DiffTypeDeleted
	} else {
		diff.Type = DiffTypeEdited
	}

	// Diff the primitive fields.
	oldPrimitiveFlat := flatmap.Flatten(old, nil, false)
	newPrimitiveFlat := flatmap.Flatten(new, nil, false)
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, contextual)
	return diff
}
Example #7
0
// Diff returns a diff of two network resources. If contextual diff is enabled,
// non-changed fields will still be returned.
func (r *NetworkResource) Diff(other *NetworkResource, contextual bool) *ObjectDiff {
	diff := &ObjectDiff{Type: DiffTypeNone, Name: "Network"}
	var oldPrimitiveFlat, newPrimitiveFlat map[string]string
	filter := []string{"Device", "CIDR", "IP"}

	if reflect.DeepEqual(r, other) {
		return nil
	} else if r == nil {
		r = &NetworkResource{}
		diff.Type = DiffTypeAdded
		newPrimitiveFlat = flatmap.Flatten(other, filter, true)
	} else if other == nil {
		other = &NetworkResource{}
		diff.Type = DiffTypeDeleted
		oldPrimitiveFlat = flatmap.Flatten(r, filter, true)
	} else {
		diff.Type = DiffTypeEdited
		oldPrimitiveFlat = flatmap.Flatten(r, filter, true)
		newPrimitiveFlat = flatmap.Flatten(other, filter, true)
	}

	// Diff the primitive fields.
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, contextual)

	// Port diffs
	resPorts := portDiffs(r.ReservedPorts, other.ReservedPorts, false, contextual)
	dynPorts := portDiffs(r.DynamicPorts, other.DynamicPorts, true, contextual)
	if resPorts != nil {
		diff.Objects = append(diff.Objects, resPorts...)
	}
	if dynPorts != nil {
		diff.Objects = append(diff.Objects, dynPorts...)
	}

	return diff
}
Example #8
0
// serviceCheckDiff returns the diff of two service check objects. If contextual
// diff is enabled, all fields will be returned, even if no diff occurred.
func serviceCheckDiff(old, new *ServiceCheck, contextual bool) *ObjectDiff {
	diff := &ObjectDiff{Type: DiffTypeNone, Name: "Check"}
	var oldPrimitiveFlat, newPrimitiveFlat map[string]string

	if reflect.DeepEqual(old, new) {
		return nil
	} else if old == nil {
		old = &ServiceCheck{}
		diff.Type = DiffTypeAdded
		newPrimitiveFlat = flatmap.Flatten(new, nil, true)
	} else if new == nil {
		new = &ServiceCheck{}
		diff.Type = DiffTypeDeleted
		oldPrimitiveFlat = flatmap.Flatten(old, nil, true)
	} else {
		diff.Type = DiffTypeEdited
		oldPrimitiveFlat = flatmap.Flatten(old, nil, true)
		newPrimitiveFlat = flatmap.Flatten(new, nil, true)
	}

	// Diff the primitive fields.
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, contextual)
	return diff
}
Example #9
0
// Diff returns a diff of two jobs and a potential error if the Jobs are not
// diffable. If contextual diff is enabled, objects within the job will contain
// field information even if unchanged.
func (j *Job) Diff(other *Job, contextual bool) (*JobDiff, error) {
	diff := &JobDiff{Type: DiffTypeNone}
	var oldPrimitiveFlat, newPrimitiveFlat map[string]string
	filter := []string{"ID", "Status", "StatusDescription", "CreateIndex", "ModifyIndex", "JobModifyIndex"}

	// Have to treat this special since it is a struct literal, not a pointer
	var jUpdate, otherUpdate *UpdateStrategy

	if j == nil && other == nil {
		return diff, nil
	} else if j == nil {
		j = &Job{}
		otherUpdate = &other.Update
		diff.Type = DiffTypeAdded
		newPrimitiveFlat = flatmap.Flatten(other, filter, true)
		diff.ID = other.ID
	} else if other == nil {
		other = &Job{}
		jUpdate = &j.Update
		diff.Type = DiffTypeDeleted
		oldPrimitiveFlat = flatmap.Flatten(j, filter, true)
		diff.ID = j.ID
	} else {
		if j.ID != other.ID {
			return nil, fmt.Errorf("can not diff jobs with different IDs: %q and %q", j.ID, other.ID)
		}

		jUpdate = &j.Update
		otherUpdate = &other.Update
		oldPrimitiveFlat = flatmap.Flatten(j, filter, true)
		newPrimitiveFlat = flatmap.Flatten(other, filter, true)
		diff.ID = other.ID
	}

	// Diff the primitive fields.
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, false)

	// Datacenters diff
	if setDiff := stringSetDiff(j.Datacenters, other.Datacenters, "Datacenters"); setDiff != nil {
		diff.Objects = append(diff.Objects, setDiff)
	}

	// Constraints diff
	conDiff := primitiveObjectSetDiff(
		interfaceSlice(j.Constraints),
		interfaceSlice(other.Constraints),
		[]string{"str"},
		"Constraint",
		contextual)
	if conDiff != nil {
		diff.Objects = append(diff.Objects, conDiff...)
	}

	// Task groups diff
	tgs, err := taskGroupDiffs(j.TaskGroups, other.TaskGroups, contextual)
	if err != nil {
		return nil, err
	}
	diff.TaskGroups = tgs

	// Update diff
	if uDiff := primitiveObjectDiff(jUpdate, otherUpdate, nil, "Update", contextual); uDiff != nil {
		diff.Objects = append(diff.Objects, uDiff)
	}

	// Periodic diff
	if pDiff := primitiveObjectDiff(j.Periodic, other.Periodic, nil, "Periodic", contextual); pDiff != nil {
		diff.Objects = append(diff.Objects, pDiff)
	}

	// If the job is not a delete or add, determine if there are edits.
	if diff.Type == DiffTypeNone {
		tgEdit := false
		for _, tg := range diff.TaskGroups {
			if tg.Type != DiffTypeNone {
				tgEdit = true
				break
			}
		}
		if tgEdit || len(diff.Fields)+len(diff.Objects) != 0 {
			diff.Type = DiffTypeEdited
		}
	}

	return diff, nil
}
Example #10
0
// Diff returns a diff of two tasks. If contextual diff is enabled, objects
// within the task will contain field information even if unchanged.
func (t *Task) Diff(other *Task, contextual bool) (*TaskDiff, error) {
	diff := &TaskDiff{Type: DiffTypeNone}
	var oldPrimitiveFlat, newPrimitiveFlat map[string]string
	filter := []string{"Name", "Config"}

	if t == nil && other == nil {
		return diff, nil
	} else if t == nil {
		t = &Task{}
		diff.Type = DiffTypeAdded
		diff.Name = other.Name
		newPrimitiveFlat = flatmap.Flatten(other, filter, true)
	} else if other == nil {
		other = &Task{}
		diff.Type = DiffTypeDeleted
		diff.Name = t.Name
		oldPrimitiveFlat = flatmap.Flatten(t, filter, true)
	} else {
		if !reflect.DeepEqual(t, other) {
			diff.Type = DiffTypeEdited
		}
		if t.Name != other.Name {
			return nil, fmt.Errorf("can not diff tasks with different names: %q and %q", t.Name, other.Name)
		}
		diff.Name = other.Name
		oldPrimitiveFlat = flatmap.Flatten(t, filter, true)
		newPrimitiveFlat = flatmap.Flatten(other, filter, true)
	}

	// Diff the primitive fields.
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, false)

	// Constraints diff
	conDiff := primitiveObjectSetDiff(
		interfaceSlice(t.Constraints),
		interfaceSlice(other.Constraints),
		[]string{"str"},
		"Constraint",
		contextual)
	if conDiff != nil {
		diff.Objects = append(diff.Objects, conDiff...)
	}

	// Config diff
	if cDiff := configDiff(t.Config, other.Config, contextual); cDiff != nil {
		diff.Objects = append(diff.Objects, cDiff)
	}

	// Resources diff
	if rDiff := t.Resources.Diff(other.Resources, contextual); rDiff != nil {
		diff.Objects = append(diff.Objects, rDiff)
	}

	// LogConfig diff
	lDiff := primitiveObjectDiff(t.LogConfig, other.LogConfig, nil, "LogConfig", contextual)
	if lDiff != nil {
		diff.Objects = append(diff.Objects, lDiff)
	}

	// Artifacts diff
	diffs := primitiveObjectSetDiff(
		interfaceSlice(t.Artifacts),
		interfaceSlice(other.Artifacts),
		nil,
		"Artifact",
		contextual)
	if diffs != nil {
		diff.Objects = append(diff.Objects, diffs...)
	}

	// Services diff
	if sDiffs := serviceDiffs(t.Services, other.Services, contextual); sDiffs != nil {
		diff.Objects = append(diff.Objects, sDiffs...)
	}

	return diff, nil
}