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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 (
"fmt"
gpic "github.com/onap/multicloud-k8s/src/orchestrator/pkg/gpic"
"encoding/base64"
"github.com/onap/multicloud-k8s/src/orchestrator/utils/helm"
pkgerrors "github.com/pkg/errors"
"log"
)
// ManifestFileName is the name given to the manifest file in the profile package
const ManifestFileName = "manifest.yaml"
// GenericPlacementIntentName denotes the generic placement intent name
const GenericPlacementIntentName = "generic-placement-intent"
// InstantiationClient implements the InstantiationManager
type InstantiationClient struct {
storeName string
tagMetaData string
}
// InstantiationManager is an interface which exposes the
// InstantiationManager functionalities
type InstantiationManager interface {
//ApproveInstantiation(p string, ca string, v string, di string) (error)
Instantiate(p string, ca string, v string, di string) error
}
// NewInstantiationClient returns an instance of InstantiationClient
func NewInstantiationClient() *InstantiationClient {
return &InstantiationClient{
storeName: "orchestrator",
tagMetaData: "instantiation",
}
}
// TODO
//ApproveInstantiation approves an instantiation
// func (c InstantiationClient) ApproveInstantiation(p string, ca string, v string, di string) (error){
// }
func getOverrideValuesByAppName(ov []OverrideValues, a string) map[string]string {
for _, eachOverrideVal := range ov {
if eachOverrideVal.AppName == a {
return eachOverrideVal.ValuesObj
}
}
return map[string]string{}
}
/*
FindGenericPlacementIntent takes in projectName, CompositeAppName, CompositeAppVersion, DeploymentIntentName
and returns the name of the genericPlacementIntentName. Returns empty value if string not found.
*/
func FindGenericPlacementIntent(p, ca, v, di string) (string, error) {
var gi string
var found bool
iList, err := NewIntentClient().GetAllIntents(p, ca, v, di)
if err != nil {
return gi, err
}
for _, eachMap := range iList.ListOfIntents {
if gi, found := eachMap[GenericPlacementIntentName]; found {
log.Printf("::Name of the generic-placement-intent:: %s", gi)
return gi, err
}
}
if found == false {
fmt.Println("generic-placement-intent not found !")
}
return gi, pkgerrors.New("Generic-placement-intent not found")
}
// GetSortedTemplateForApp returns the sorted templates.
//It takes in arguments - appName, project, compositeAppName, releaseName, compositeProfileName, array of override values
func GetSortedTemplateForApp(appName, p, ca, v, rName, cp string, overrideValues []OverrideValues) ([]helm.KubernetesResourceTemplate, error) {
log.Println("Processing App.. ", appName)
var sortedTemplates []helm.KubernetesResourceTemplate
aC, err := NewAppClient().GetAppContent(appName, p, ca, v)
if err != nil {
return sortedTemplates, pkgerrors.Wrap(err, fmt.Sprint("Not finding the content of app:: ", appName))
}
appContent, err := base64.StdEncoding.DecodeString(aC.FileContent)
if err != nil {
return sortedTemplates, pkgerrors.Wrap(err, "Fail to convert to byte array")
}
log.Println("Got the app content..")
appPC, err := NewAppProfileClient().GetAppProfileContentByApp(p, ca, v, cp, appName)
if err != nil {
return sortedTemplates, pkgerrors.Wrap(err, fmt.Sprintf("Not finding the appProfileContent for:: %s", appName))
}
appProfileContent, err := base64.StdEncoding.DecodeString(appPC.Profile)
if err != nil {
return sortedTemplates, pkgerrors.Wrap(err, "Fail to convert to byte array")
}
log.Println("Got the app Profile content ...")
overrideValuesOfApp := getOverrideValuesByAppName(overrideValues, appName)
//Convert override values from map to array of strings of the following format
//foo=bar
overrideValuesOfAppStr := []string{}
if overrideValuesOfApp != nil {
for k, v := range overrideValuesOfApp {
overrideValuesOfAppStr = append(overrideValuesOfAppStr, k+"="+v)
}
}
sortedTemplates, err = helm.NewTemplateClient("", "default", rName,
ManifestFileName).Resolve(appContent,
appProfileContent, overrideValuesOfAppStr,
appName)
log.Printf("The len of the sortedTemplates :: %d", len(sortedTemplates))
return sortedTemplates, err
}
// Instantiate methods takes in project
func (c InstantiationClient) Instantiate(p string, ca string, v string, di string) error {
dIGrp, err := NewDeploymentIntentGroupClient().GetDeploymentIntentGroup(di, p, ca, v)
if err != nil {
return pkgerrors.Wrap(err, "Not finding the deploymentIntentGroup")
}
rName := dIGrp.Spec.Version //rName is releaseName
overrideValues := dIGrp.Spec.OverrideValuesObj
cp := dIGrp.Spec.Profile
gIntent, err := FindGenericPlacementIntent(p, ca, v, di)
if err != nil {
return err
}
log.Printf("The name of the GenPlacIntent:: %s", gIntent)
log.Printf("dIGrp :: %s, releaseName :: %s and cp :: %s \n", dIGrp.MetaData.Name, rName, cp)
allApps, err := NewAppClient().GetApps(p, ca, v)
if err != nil {
return pkgerrors.Wrap(err, "Not finding the apps")
}
for _, eachApp := range allApps {
sortedTemplates, err := GetSortedTemplateForApp(eachApp.Metadata.Name, p, ca, v, rName, cp, overrideValues)
if err != nil {
return pkgerrors.Wrap(err, "Unable to get the sorted templates for app")
}
log.Printf("Resolved all the templates for app :: %s under the compositeApp...", eachApp.Metadata.Name)
log.Printf("sortedTemplates :: %v ", sortedTemplates)
specData, err := NewAppIntentClient().GetAllIntentsByApp(eachApp.Metadata.Name, p, ca, v, gIntent)
if err != nil {
return pkgerrors.Wrap(err, "Unable to get the intents for app")
}
listOfClusters,err := gpic.IntentResolver(specData.Intent)
if err!=nil {
return pkgerrors.Wrap(err, "Unable to get the intents resolved for app")
}
log.Printf("::listOfClusters:: %v", listOfClusters)
}
log.Printf("Done with instantiation...")
return err
}
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