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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 (
"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db"
pkgerrors "github.com/pkg/errors"
)
// NetControlIntent contains the parameters needed for dynamic networks
type NetControlIntent struct {
Metadata Metadata `json:"metadata"`
}
// NetControlIntentKey is the key structure that is used in the database
type NetControlIntentKey struct {
NetControlIntent string `json:"netcontrolintent"`
Project string `json:"project"`
CompositeApp string `json:"compositeapp"`
CompositeAppVersion string `json:"compositeappversion"`
}
// Manager is an interface exposing the NetControlIntent functionality
type NetControlIntentManager interface {
CreateNetControlIntent(nci NetControlIntent, project, compositeapp, compositeappversion string, exists bool) (NetControlIntent, error)
GetNetControlIntent(name, project, compositeapp, compositeappversion string) (NetControlIntent, error)
GetNetControlIntents(project, compositeapp, compositeappversion string) ([]NetControlIntent, error)
DeleteNetControlIntent(name, project, compositeapp, compositeappversion string) error
}
// NetControlIntentClient implements the Manager
// It will also be used to maintain some localized state
type NetControlIntentClient struct {
db ClientDbInfo
}
// NewNetControlIntentClient returns an instance of the NetControlIntentClient
// which implements the Manager
func NewNetControlIntentClient() *NetControlIntentClient {
return &NetControlIntentClient{
db: ClientDbInfo{
storeName: "orchestrator",
tagMeta: "netcontrolintentmetadata",
},
}
}
// CreateNetControlIntent - create a new NetControlIntent
func (v *NetControlIntentClient) CreateNetControlIntent(nci NetControlIntent, project, compositeapp, compositeappversion string, exists bool) (NetControlIntent, error) {
//Construct key and tag to select the entry
key := NetControlIntentKey{
NetControlIntent: nci.Metadata.Name,
Project: project,
CompositeApp: compositeapp,
CompositeAppVersion: compositeappversion,
}
//Check if this NetControlIntent already exists
_, err := v.GetNetControlIntent(nci.Metadata.Name, project, compositeapp, compositeappversion)
if err == nil && !exists {
return NetControlIntent{}, pkgerrors.New("NetControlIntent already exists")
}
err = db.DBconn.Insert(v.db.storeName, key, nil, v.db.tagMeta, nci)
if err != nil {
return NetControlIntent{}, pkgerrors.Wrap(err, "Creating DB Entry")
}
return nci, nil
}
// GetNetControlIntent returns the NetControlIntent for corresponding name
func (v *NetControlIntentClient) GetNetControlIntent(name, project, compositeapp, compositeappversion string) (NetControlIntent, error) {
//Construct key and tag to select the entry
key := NetControlIntentKey{
NetControlIntent: name,
Project: project,
CompositeApp: compositeapp,
CompositeAppVersion: compositeappversion,
}
value, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
if err != nil {
return NetControlIntent{}, pkgerrors.Wrap(err, "Get NetControlIntent")
}
//value is a byte array
if value != nil {
nci := NetControlIntent{}
err = db.DBconn.Unmarshal(value[0], &nci)
if err != nil {
return NetControlIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
}
return nci, nil
}
return NetControlIntent{}, pkgerrors.New("Error getting NetControlIntent")
}
// GetNetControlIntentList returns all of the NetControlIntent for corresponding name
func (v *NetControlIntentClient) GetNetControlIntents(project, compositeapp, compositeappversion string) ([]NetControlIntent, error) {
//Construct key and tag to select the entry
key := NetControlIntentKey{
NetControlIntent: "",
Project: project,
CompositeApp: compositeapp,
CompositeAppVersion: compositeappversion,
}
var resp []NetControlIntent
values, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
if err != nil {
return []NetControlIntent{}, pkgerrors.Wrap(err, "Get NetControlIntents")
}
for _, value := range values {
nci := NetControlIntent{}
err = db.DBconn.Unmarshal(value, &nci)
if err != nil {
return []NetControlIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
}
resp = append(resp, nci)
}
return resp, nil
}
// Delete the NetControlIntent from database
func (v *NetControlIntentClient) DeleteNetControlIntent(name, project, compositeapp, compositeappversion string) error {
//Construct key and tag to select the entry
key := NetControlIntentKey{
NetControlIntent: name,
Project: project,
CompositeApp: compositeapp,
CompositeAppVersion: compositeappversion,
}
err := db.DBconn.Remove(v.db.storeName, key)
if err != nil {
return pkgerrors.Wrap(err, "Delete NetControlIntent Entry;")
}
return nil
}
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