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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 applicable 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"
"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db"
pkgerrors "github.com/pkg/errors"
)
// GenericPlacementIntent shall have 2 fields - metadata and spec
type GenericPlacementIntent struct {
MetaData GenIntentMetaData `json:"metadata"`
Spec GenIntentSpecData `json:"spec"`
}
// GenIntentMetaData has name, description, userdata1, userdata2
type GenIntentMetaData struct {
Name string `json:"name"`
Description string `json:"description"`
UserData1 string `json:"userData1"`
UserData2 string `json:"userData2"`
}
// GenIntentSpecData has logical-cloud-name
type GenIntentSpecData struct {
LogicalCloud string `json:"logical-cloud"`
}
// GenericPlacementIntentManager is an interface which exposes the GenericPlacementIntentManager functionality
type GenericPlacementIntentManager interface {
CreateGenericPlacementIntent(g GenericPlacementIntent, p string, ca string,
v string) (GenericPlacementIntent, error)
GetGenericPlacementIntent(intentName string, projectName string,
compositeAppName string, version string) (GenericPlacementIntent, error)
DeleteGenericPlacementIntent(intentName string, projectName string,
compositeAppName string, version string) error
}
// GenericPlacementIntentKey is used as the primary key
type GenericPlacementIntentKey struct {
Name string `json:"name"`
Project string `json:"project"`
CompositeApp string `json:"compositeapp"`
Version string `json:"version"`
}
// We will use json marshalling to convert to string to
// preserve the underlying structure.
func (gk GenericPlacementIntentKey) String() string {
out, err := json.Marshal(gk)
if err != nil {
return ""
}
return string(out)
}
// GenericPlacementIntentClient implements the GenericPlacementIntentManager interface
type GenericPlacementIntentClient struct {
storeName string
tagMetaData string
}
// NewGenericPlacementIntentClient return an instance of GenericPlacementIntentClient which implements GenericPlacementIntentManager
func NewGenericPlacementIntentClient() *GenericPlacementIntentClient {
return &GenericPlacementIntentClient{
storeName: "orchestrator",
tagMetaData: "genericplacementintent",
}
}
// CreateGenericPlacementIntent creates an entry for GenericPlacementIntent in the database. Other Input parameters for it - projectName, compositeAppName, version
func (c *GenericPlacementIntentClient) CreateGenericPlacementIntent(g GenericPlacementIntent, p string, ca string,
v string) (GenericPlacementIntent, error) {
// check if the genericPlacement already exists.
res, err := c.GetGenericPlacementIntent(g.MetaData.Name, p, ca, v)
if res != (GenericPlacementIntent{}) {
return GenericPlacementIntent{}, pkgerrors.New("Intent already exists")
}
//Check if project exists
_, err = NewProjectClient().GetProject(p)
if err != nil {
return GenericPlacementIntent{}, pkgerrors.New("Unable to find the project")
}
// check if compositeApp exists
_, err = NewCompositeAppClient().GetCompositeApp(ca, v, p)
if err != nil {
return GenericPlacementIntent{}, pkgerrors.New("Unable to find the composite-app")
}
gkey := GenericPlacementIntentKey{
Name: g.MetaData.Name,
Project: p,
CompositeApp: ca,
Version: v,
}
err = db.DBconn.Insert(c.storeName, gkey, nil, c.tagMetaData, g)
if err != nil {
return GenericPlacementIntent{}, pkgerrors.Wrap(err, "Create DB entry error")
}
return g, nil
}
// GetGenericPlacementIntent shall take arguments - name of the intent, name of the project, name of the composite app and version of the composite app. It shall return the genericPlacementIntent if its present.
func (c *GenericPlacementIntentClient) GetGenericPlacementIntent(i string, p string, ca string, v string) (GenericPlacementIntent, error) {
key := GenericPlacementIntentKey{
Name: i,
Project: p,
CompositeApp: ca,
Version: v,
}
result, err := db.DBconn.Find(c.storeName, key, c.tagMetaData)
if err != nil {
return GenericPlacementIntent{}, pkgerrors.Wrap(err, "Get Intent error")
}
if result != nil {
g := GenericPlacementIntent{}
err = db.DBconn.Unmarshal(result[0], &g)
if err != nil {
return GenericPlacementIntent{}, pkgerrors.Wrap(err, "Unmarshalling GenericPlacement Intent")
}
return g, nil
}
return GenericPlacementIntent{}, pkgerrors.New("Error getting GenericPlacementIntent")
}
// DeleteGenericPlacementIntent the intent from the database
func (c *GenericPlacementIntentClient) DeleteGenericPlacementIntent(i string, p string, ca string, v string) error {
key := GenericPlacementIntentKey{
Name: i,
Project: p,
CompositeApp: ca,
Version: v,
}
err := db.DBconn.Remove(c.storeName, key)
if err != nil {
return pkgerrors.Wrap(err, "Delete Project entry;")
}
return nil
}
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