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/*
* Copyright 2020 Intel Corporation, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by Addlicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package module
import (
"encoding/json"
"reflect"
"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db"
pkgerrors "github.com/pkg/errors"
)
// Intent shall have 2 fields - MetaData and Spec
type Intent struct {
MetaData IntentMetaData `json:"metadata"`
Spec IntentSpecData `json:"spec"`
}
// IntentMetaData has Name, Description, userdata1, userdata2
type IntentMetaData struct {
Name string `json:"name"`
Description string `json:"description"`
UserData1 string `json:"userData1"`
UserData2 string `json:"userData2"`
}
// IntentSpecData has Intent
type IntentSpecData struct {
Intent IntentObj `json:"intent"`
}
// IntentObj has name of the generic placement intent
type IntentObj struct {
Generic string `json:"generic"`
}
// ListOfIntents is a list of intents
type ListOfIntents struct {
ListOfIntents []map[string]string `json:"intent"`
}
// IntentManager is an interface which exposes the IntentManager functionality
type IntentManager interface {
AddIntent(a Intent, p string, ca string, v string, di string) (Intent, error)
GetIntent(i string, p string, ca string, v string, di string) (Intent, error)
DeleteIntent(i string, p string, ca string, v string, di string) error
}
// IntentKey consists of Name if the intent, Project name, CompositeApp name,
// CompositeApp version
type IntentKey struct {
Name string `json:"name"`
Project string `json:"project"`
CompositeApp string `json:"compositeapp"`
Version string `json:"version"`
DeploymentIntentGroup string `json:"deployment-intent-group-name"`
}
// We will use json marshalling to convert to string to
// preserve the underlying structure.
func (ik IntentKey) String() string {
out, err := json.Marshal(ik)
if err != nil {
return ""
}
return string(out)
}
// IntentClient implements the AddIntentManager interface
type IntentClient struct {
storeName string
tagMetaData string
}
// NewIntentClient returns an instance of AddIntentClient
func NewIntentClient() *IntentClient {
return &IntentClient{
storeName: "orchestrator",
tagMetaData: "addintent",
}
}
// AddIntent adds a given intent to the deployment-intent-group and stores in the db. Other input parameters for it - projectName, compositeAppName, version, DeploymentIntentgroupName
func (c *IntentClient) AddIntent(a Intent, p string, ca string, v string, di string) (Intent, error) {
//Check for the AddIntent already exists here.
res, err := c.GetIntent(a.MetaData.Name, p, ca, v, di)
if !reflect.DeepEqual(res, Intent{}) {
return Intent{}, pkgerrors.New("AppIntent already exists")
}
//Check if project exists
_, err = NewProjectClient().GetProject(p)
if err != nil {
return Intent{}, pkgerrors.New("Unable to find the project")
}
//check if compositeApp exists
_, err = NewCompositeAppClient().GetCompositeApp(ca, v, p)
if err != nil {
return Intent{}, pkgerrors.New("Unable to find the composite-app")
}
//check if DeploymentIntentGroup exists
_, err = NewDeploymentIntentGroupClient().GetDeploymentIntentGroup(di, p, ca, v)
if err != nil {
return Intent{}, pkgerrors.New("Unable to find the intent")
}
akey := IntentKey{
Name: a.MetaData.Name,
Project: p,
CompositeApp: ca,
Version: v,
DeploymentIntentGroup: di,
}
err = db.DBconn.Insert(c.storeName, akey, nil, c.tagMetaData, a)
if err != nil {
return Intent{}, pkgerrors.Wrap(err, "Create DB entry error")
}
return a, nil
}
// GetIntent returns an Intent
func (c *IntentClient) GetIntent(i string, p string, ca string, v string, di string) (Intent, error) {
k := IntentKey{
Name: i,
Project: p,
CompositeApp: ca,
Version: v,
DeploymentIntentGroup: di,
}
result, err := db.DBconn.Find(c.storeName, k, c.tagMetaData)
if err != nil {
return Intent{}, pkgerrors.Wrap(err, "Get AppIntent error")
}
if result != nil {
a := Intent{}
err = db.DBconn.Unmarshal(result[0], &a)
if err != nil {
return Intent{}, pkgerrors.Wrap(err, "Unmarshalling AppIntent")
}
return a, nil
}
return Intent{}, pkgerrors.New("Error getting AppIntent")
}
// DeleteIntent deletes a given intent tied to project, composite app and deployment intent group
func (c IntentClient) DeleteIntent(i string, p string, ca string, v string, di string) error {
k := IntentKey{
Name: i,
Project: p,
CompositeApp: ca,
Version: v,
DeploymentIntentGroup: di,
}
err := db.DBconn.Remove(c.storeName, k)
if err != nil {
return pkgerrors.Wrap(err, "Delete Project entry;")
}
return nil
}
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