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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"
)
// WorkloadIfIntent contains the parameters needed for dynamic networks
type WorkloadIfIntent struct {
Metadata Metadata `json:"metadata"`
Spec WorkloadIfIntentSpec `json:"spec"`
}
type WorkloadIfIntentSpec struct {
IfName string `json:"interface"`
NetworkName string `json:"name"`
DefaultGateway string `json:"defaultGateway"` // optional, default value is "false"
IpAddr string `json:"ipAddress,omitempty"` // optional, if not provided then will be dynamically allocated
MacAddr string `json:"macAddress,omitempty"` // optional, if not provided then will be dynamically allocated
}
// WorkloadIfIntentKey is the key structure that is used in the database
type WorkloadIfIntentKey struct {
Project string `json:"provider"`
CompositeApp string `json:"compositeapp"`
CompositeAppVersion string `json:"compositeappversion"`
NetControlIntent string `json:"netcontrolintent"`
WorkloadIntent string `json:"workloadintent"`
WorkloadIfIntent string `json:"workloadifintent"`
}
// Manager is an interface exposing the WorkloadIfIntent functionality
type WorkloadIfIntentManager interface {
CreateWorkloadIfIntent(wi WorkloadIfIntent, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string, exists bool) (WorkloadIfIntent, error)
GetWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) (WorkloadIfIntent, error)
GetWorkloadIfIntents(project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) ([]WorkloadIfIntent, error)
DeleteWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) error
}
// WorkloadIfIntentClient implements the Manager
// It will also be used to maintain some localized state
type WorkloadIfIntentClient struct {
db ClientDbInfo
}
// NewWorkloadIfIntentClient returns an instance of the WorkloadIfIntentClient
// which implements the Manager
func NewWorkloadIfIntentClient() *WorkloadIfIntentClient {
return &WorkloadIfIntentClient{
db: ClientDbInfo{
storeName: "orchestrator",
tagMeta: "workloadifintentmetadata",
},
}
}
// CreateWorkloadIfIntent - create a new WorkloadIfIntent
func (v *WorkloadIfIntentClient) CreateWorkloadIfIntent(wif WorkloadIfIntent, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string, exists bool) (WorkloadIfIntent, error) {
//Construct key and tag to select the entry
key := WorkloadIfIntentKey{
Project: project,
CompositeApp: compositeapp,
CompositeAppVersion: compositeappversion,
NetControlIntent: netcontrolintent,
WorkloadIntent: workloadintent,
WorkloadIfIntent: wif.Metadata.Name,
}
//Check if the Workload Intent exists
_, err := NewWorkloadIntentClient().GetWorkloadIntent(workloadintent, project, compositeapp, compositeappversion, netcontrolintent)
if err != nil {
return WorkloadIfIntent{}, pkgerrors.Errorf("Workload Intent %v does not exist", workloadintent)
}
//Check if this WorkloadIfIntent already exists
_, err = v.GetWorkloadIfIntent(wif.Metadata.Name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent)
if err == nil && !exists {
return WorkloadIfIntent{}, pkgerrors.New("WorkloadIfIntent already exists")
}
err = db.DBconn.Insert(v.db.storeName, key, nil, v.db.tagMeta, wif)
if err != nil {
return WorkloadIfIntent{}, pkgerrors.Wrap(err, "Creating DB Entry")
}
return wif, nil
}
// GetWorkloadIfIntent returns the WorkloadIfIntent for corresponding name
func (v *WorkloadIfIntentClient) GetWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) (WorkloadIfIntent, error) {
//Construct key and tag to select the entry
key := WorkloadIfIntentKey{
Project: project,
CompositeApp: compositeapp,
CompositeAppVersion: compositeappversion,
NetControlIntent: netcontrolintent,
WorkloadIntent: workloadintent,
WorkloadIfIntent: name,
}
value, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
if err != nil {
return WorkloadIfIntent{}, pkgerrors.Wrap(err, "Get WorkloadIfIntent")
}
//value is a byte array
if value != nil {
wif := WorkloadIfIntent{}
err = db.DBconn.Unmarshal(value[0], &wif)
if err != nil {
return WorkloadIfIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
}
return wif, nil
}
return WorkloadIfIntent{}, pkgerrors.New("Error getting WorkloadIfIntent")
}
// GetWorkloadIfIntentList returns all of the WorkloadIfIntent for corresponding name
func (v *WorkloadIfIntentClient) GetWorkloadIfIntents(project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) ([]WorkloadIfIntent, error) {
//Construct key and tag to select the entry
key := WorkloadIfIntentKey{
Project: project,
CompositeApp: compositeapp,
CompositeAppVersion: compositeappversion,
NetControlIntent: netcontrolintent,
WorkloadIntent: workloadintent,
WorkloadIfIntent: "",
}
var resp []WorkloadIfIntent
values, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
if err != nil {
return []WorkloadIfIntent{}, pkgerrors.Wrap(err, "Get WorkloadIfIntents")
}
for _, value := range values {
wif := WorkloadIfIntent{}
err = db.DBconn.Unmarshal(value, &wif)
if err != nil {
return []WorkloadIfIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
}
resp = append(resp, wif)
}
return resp, nil
}
// Delete the WorkloadIfIntent from database
func (v *WorkloadIfIntentClient) DeleteWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) error {
//Construct key and tag to select the entry
key := WorkloadIfIntentKey{
Project: project,
CompositeApp: compositeapp,
CompositeAppVersion: compositeappversion,
NetControlIntent: netcontrolintent,
WorkloadIntent: workloadintent,
WorkloadIfIntent: name,
}
err := db.DBconn.Remove(v.db.storeName, key)
if err != nil {
return pkgerrors.Wrap(err, "Delete WorkloadIfIntent Entry;")
}
return nil
}
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