Move Day2 Config Values API to new endpoint

Issue-ID: MULTICLOUD-1280
Signed-off-by: Konrad Bańka <k.banka@samsung.com>
Change-Id: Ibeb0920b4ce083f4294b83c887fc7c793a2c3df5

6 files changed, 211 insertions, 132 deletions

diff --git a/src/k8splugin/api/api.go b/src/k8splugin/api/api.go
index c836fc65..cb094683 100644
--- a/src/k8splugin/api/api.go
+++ b/src/k8splugin/api/api.go
@@ -1,5 +1,6 @@
 /*
 Copyright 2018 Intel Corporation.
+Copyright © 2021 Samsung Electronics
 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
@@ -107,12 +108,12 @@ func NewRouter(defClient rb.DefinitionManager,
 		configClient = app.NewConfigClient()
 	}
 	configHandler := rbConfigHandler{client: configClient}
-	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}/config", configHandler.createHandler).Methods("POST")
-	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}/config/{cfgname}", configHandler.getHandler).Methods("GET")
-	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}/config/{cfgname}", configHandler.updateHandler).Methods("PUT")
-	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}/config/{cfgname}", configHandler.deleteHandler).Methods("DELETE")
-	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}/config/rollback", configHandler.rollbackHandler).Methods("POST")
-	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}/config/tagit", configHandler.tagitHandler).Methods("POST")
+	instRouter.HandleFunc("/instance/{instID}/config", configHandler.createHandler).Methods("POST")
+	instRouter.HandleFunc("/instance/{instID}/config/{cfgname}", configHandler.getHandler).Methods("GET")
+	instRouter.HandleFunc("/instance/{instID}/config/{cfgname}", configHandler.updateHandler).Methods("PUT")
+	instRouter.HandleFunc("/instance/{instID}/config/{cfgname}", configHandler.deleteHandler).Methods("DELETE")
+	instRouter.HandleFunc("/instance/{instID}/config/rollback", configHandler.rollbackHandler).Methods("POST")
+	instRouter.HandleFunc("/instance/{instID}/config/tagit", configHandler.tagitHandler).Methods("POST")
 
 	// Add healthcheck path
 	instRouter.HandleFunc("/healthcheck", healthCheckHandler).Methods("GET")
diff --git a/src/k8splugin/api/confighandler.go b/src/k8splugin/api/confighandler.go
index c9af2893..f4bb0862 100644
--- a/src/k8splugin/api/confighandler.go
+++ b/src/k8splugin/api/confighandler.go
@@ -1,5 +1,6 @@
 /*
  * Copyright 2018 Intel Corporation, Inc
+ * Copyright © 2021 Samsung Electronics
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,9 +38,7 @@ type rbConfigHandler struct {
 func (h rbConfigHandler) createHandler(w http.ResponseWriter, r *http.Request) {
 	var p app.Config
 	vars := mux.Vars(r)
-	rbName := vars["rbname"]
-	rbVersion := vars["rbversion"]
-	prName := vars["prname"]
+	instanceID := vars["instID"]
 
 	if r.Body == nil {
 		http.Error(w, "Empty body", http.StatusBadRequest)
@@ -58,7 +57,7 @@ func (h rbConfigHandler) createHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	ret, err := h.client.Create(rbName, rbVersion, prName, p)
+	ret, err := h.client.Create(instanceID, p)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
@@ -77,12 +76,10 @@ func (h rbConfigHandler) createHandler(w http.ResponseWriter, r *http.Request) {
 // Returns a app.Definition
 func (h rbConfigHandler) getHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
-	rbName := vars["rbname"]
-	rbVersion := vars["rbversion"]
-	prName := vars["prname"]
+	instanceID := vars["instID"]
 	cfgName := vars["cfgname"]
 
-	ret, err := h.client.Get(rbName, rbVersion, prName, cfgName)
+	ret, err := h.client.Get(instanceID, cfgName)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
@@ -100,12 +97,10 @@ func (h rbConfigHandler) getHandler(w http.ResponseWriter, r *http.Request) {
 // deleteHandler handles DELETE operations on a config
 func (h rbConfigHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
-	rbName := vars["rbname"]
-	rbVersion := vars["rbversion"]
-	prName := vars["prname"]
+	instanceID := vars["instID"]
 	cfgName := vars["cfgname"]
 
-	ret, err := h.client.Delete(rbName, rbVersion, prName, cfgName)
+	ret, err := h.client.Delete(instanceID, cfgName)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
@@ -124,9 +119,7 @@ func (h rbConfigHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
 // UpdateHandler handles Update operations on a particular configuration
 func (h rbConfigHandler) updateHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
-	rbName := vars["rbname"]
-	rbVersion := vars["rbversion"]
-	prName := vars["prname"]
+	instanceID := vars["instID"]
 	cfgName := vars["cfgname"]
 
 	var p app.Config
@@ -142,7 +135,7 @@ func (h rbConfigHandler) updateHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	ret, err := h.client.Update(rbName, rbVersion, prName, cfgName, p)
+	ret, err := h.client.Update(instanceID, cfgName, p)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
@@ -160,9 +153,7 @@ func (h rbConfigHandler) updateHandler(w http.ResponseWriter, r *http.Request) {
 // rollbackHandler handles Rollback operations to a specific version
 func (h rbConfigHandler) rollbackHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
-	rbName := vars["rbname"]
-	rbVersion := vars["rbversion"]
-	prName := vars["prname"]
+	instanceID := vars["instID"]
 
 	if r.Body == nil {
 		http.Error(w, "Empty body", http.StatusBadRequest)
@@ -175,7 +166,7 @@ func (h rbConfigHandler) rollbackHandler(w http.ResponseWriter, r *http.Request)
 		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
 		return
 	}
-	err = h.client.Rollback(rbName, rbVersion, prName, p)
+	err = h.client.Rollback(instanceID, p)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
@@ -186,9 +177,7 @@ func (h rbConfigHandler) rollbackHandler(w http.ResponseWriter, r *http.Request)
 // tagitHandler handles TAGIT operation
 func (h rbConfigHandler) tagitHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
-	rbName := vars["rbname"]
-	rbVersion := vars["rbversion"]
-	prName := vars["prname"]
+	instanceID := vars["instID"]
 
 	if r.Body == nil {
 		http.Error(w, "Empty body", http.StatusBadRequest)
@@ -202,7 +191,7 @@ func (h rbConfigHandler) tagitHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	err = h.client.Tagit(rbName, rbVersion, prName, p)
+	err = h.client.Tagit(instanceID, p)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
diff --git a/src/k8splugin/internal/app/config.go b/src/k8splugin/internal/app/config.go
index 10bd179d..d0f8876d 100644
--- a/src/k8splugin/internal/app/config.go
+++ b/src/k8splugin/internal/app/config.go
@@ -1,5 +1,6 @@
 /*
  * Copyright 2018 Intel Corporation, Inc
+ * Copyright © 2021 Samsung Electronics
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,6 +36,7 @@ type Config struct {
 
 //ConfigResult output for Create, Update and delete
 type ConfigResult struct {
+	InstanceName      string `json:"instance-id"`
 	DefinitionName    string `json:"rb-name"`
 	DefinitionVersion string `json:"rb-version"`
 	ProfileName       string `json:"profile-name"`
@@ -58,13 +60,13 @@ type ConfigTagit struct {
 
 // ConfigManager is an interface exposes the config functionality
 type ConfigManager interface {
-	Create(rbName, rbVersion, profileName string, p Config) (ConfigResult, error)
-	Get(rbName, rbVersion, profileName, configName string) (Config, error)
+	Create(instanceID string, p Config) (ConfigResult, error)
+	Get(instanceID, configName string) (Config, error)
 	Help() map[string]string
-	Update(rbName, rbVersion, profileName, configName string, p Config) (ConfigResult, error)
-	Delete(rbName, rbVersion, profileName, configName string) (ConfigResult, error)
-	Rollback(rbName, rbVersion, profileName string, p ConfigRollback) error
-	Tagit(rbName, rbVersion, profileName string, p ConfigTagit) error
+	Update(instanceID, configName string, p Config) (ConfigResult, error)
+	Delete(instanceID, configName string) (ConfigResult, error)
+	Rollback(instanceID string, p ConfigRollback) error
+	Tagit(instanceID string, p ConfigTagit) error
 }
 
 // ConfigClient implements the ConfigManager
@@ -90,19 +92,22 @@ func (v *ConfigClient) Help() map[string]string {
 }
 
 // Create an entry for the config in the database
-func (v *ConfigClient) Create(rbName, rbVersion, profileName string, p Config) (ConfigResult, error) {
+func (v *ConfigClient) Create(instanceID string, p Config) (ConfigResult, error) {
 
 	// Check required fields
 	if p.ConfigName == "" || p.TemplateName == "" || len(p.Values) == 0 {
 		return ConfigResult{}, pkgerrors.New("Incomplete Configuration Provided")
 	}
+	// Resolving rbName, Version, etc. not to break response
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(instanceID)
+	if err != nil {
+		return ConfigResult{}, pkgerrors.Wrap(err, "Retrieving model info")
+	}
 	cs := ConfigStore{
-		rbName:      rbName,
-		rbVersion:   rbVersion,
-		profileName: profileName,
-		configName:  p.ConfigName,
+		instanceID: instanceID,
+		configName: p.ConfigName,
 	}
-	_, err := cs.getConfig()
+	_, err = cs.getConfig()
 	if err == nil {
 		return ConfigResult{}, pkgerrors.Wrap(err, "Create Error - Config exists")
 	} else {
@@ -110,13 +115,13 @@ func (v *ConfigClient) Create(rbName, rbVersion, profileName string, p Config) (
 			return ConfigResult{}, pkgerrors.Wrap(err, "Create Error")
 		}
 	}
-	lock, profileChannel := getProfileData(rbName + rbVersion + profileName)
+	lock, profileChannel := getProfileData(instanceID)
 	// Acquire per profile Mutex
 	lock.Lock()
 	defer lock.Unlock()
-	err = applyConfig(rbName, rbVersion, profileName, p, profileChannel, "POST")
+	err = applyConfig(instanceID, p, profileChannel, "POST")
 	if err != nil {
-		return ConfigResult{}, pkgerrors.Wrap(err, "Apply Config  failed")
+		return ConfigResult{}, pkgerrors.Wrap(err, "Apply Config failed")
 	}
 	// Create Config DB Entry
 	err = cs.createConfig(p)
@@ -125,16 +130,16 @@ func (v *ConfigClient) Create(rbName, rbVersion, profileName string, p Config) (
 	}
 	// Create Version Entry in DB for Config
 	cvs := ConfigVersionStore{
-		rbName:      rbName,
-		rbVersion:   rbVersion,
-		profileName: profileName,
+		instanceID: instanceID,
 	}
 	version, err := cvs.createConfigVersion(p, Config{}, "POST")
 	if err != nil {
 		return ConfigResult{}, pkgerrors.Wrap(err, "Create Config Version DB Entry")
 	}
+
 	// Create Result structure
 	cfgRes := ConfigResult{
+		InstanceName:      instanceID,
 		DefinitionName:    rbName,
 		DefinitionVersion: rbVersion,
 		ProfileName:       profileName,
@@ -146,28 +151,31 @@ func (v *ConfigClient) Create(rbName, rbVersion, profileName string, p Config) (
 }
 
 // Update an entry for the config in the database
-func (v *ConfigClient) Update(rbName, rbVersion, profileName, configName string, p Config) (ConfigResult, error) {
+func (v *ConfigClient) Update(instanceID, configName string, p Config) (ConfigResult, error) {
 
 	// Check required fields
 	if len(p.Values) == 0 {
 		return ConfigResult{}, pkgerrors.New("Incomplete Configuration Provided")
 	}
+	// Resolving rbName, Version, etc. not to break response
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(instanceID)
+	if err != nil {
+		return ConfigResult{}, pkgerrors.Wrap(err, "Retrieving model info")
+	}
 	// Check if Config exists
 	cs := ConfigStore{
-		rbName:      rbName,
-		rbVersion:   rbVersion,
-		profileName: profileName,
-		configName:  configName,
+		instanceID: instanceID,
+		configName: configName,
 	}
-	_, err := cs.getConfig()
+	_, err = cs.getConfig()
 	if err != nil {
 		return ConfigResult{}, pkgerrors.Wrap(err, "Update Error - Config doesn't exist")
 	}
-	lock, profileChannel := getProfileData(rbName + rbVersion + profileName)
+	lock, profileChannel := getProfileData(instanceID)
 	// Acquire per profile Mutex
 	lock.Lock()
 	defer lock.Unlock()
-	err = applyConfig(rbName, rbVersion, profileName, p, profileChannel, "PUT")
+	err = applyConfig(instanceID, p, profileChannel, "PUT")
 	if err != nil {
 		return ConfigResult{}, pkgerrors.Wrap(err, "Apply Config  failed")
 	}
@@ -178,16 +186,16 @@ func (v *ConfigClient) Update(rbName, rbVersion, profileName, configName string,
 	}
 	// Create Version Entry in DB for Config
 	cvs := ConfigVersionStore{
-		rbName:      rbName,
-		rbVersion:   rbVersion,
-		profileName: profileName,
+		instanceID: instanceID,
 	}
 	version, err := cvs.createConfigVersion(p, configPrev, "PUT")
 	if err != nil {
 		return ConfigResult{}, pkgerrors.Wrap(err, "Create Config Version DB Entry")
 	}
+
 	// Create Result structure
 	cfgRes := ConfigResult{
+		InstanceName:      instanceID,
 		DefinitionName:    rbName,
 		DefinitionVersion: rbVersion,
 		ProfileName:       profileName,
@@ -199,18 +207,16 @@ func (v *ConfigClient) Update(rbName, rbVersion, profileName, configName string,
 }
 
 // Get config entry in the database
-func (v *ConfigClient) Get(rbName, rbVersion, profileName, configName string) (Config, error) {
+func (v *ConfigClient) Get(instanceID, configName string) (Config, error) {
 
 	// Acquire per profile Mutex
-	lock, _ := getProfileData(rbName + rbVersion + profileName)
+	lock, _ := getProfileData(instanceID)
 	lock.Lock()
 	defer lock.Unlock()
 	// Read Config DB
 	cs := ConfigStore{
-		rbName:      rbName,
-		rbVersion:   rbVersion,
-		profileName: profileName,
-		configName:  configName,
+		instanceID: instanceID,
+		configName: configName,
 	}
 	cfg, err := cs.getConfig()
 	if err != nil {
@@ -220,24 +226,27 @@ func (v *ConfigClient) Get(rbName, rbVersion, profileName, configName string) (C
 }
 
 // Delete the Config from database
-func (v *ConfigClient) Delete(rbName, rbVersion, profileName, configName string) (ConfigResult, error) {
+func (v *ConfigClient) Delete(instanceID, configName string) (ConfigResult, error) {
 
+	// Resolving rbName, Version, etc. not to break response
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(instanceID)
+	if err != nil {
+		return ConfigResult{}, pkgerrors.Wrap(err, "Retrieving model info")
+	}
 	// Check if Config exists
 	cs := ConfigStore{
-		rbName:      rbName,
-		rbVersion:   rbVersion,
-		profileName: profileName,
-		configName:  configName,
+		instanceID: instanceID,
+		configName: configName,
 	}
 	p, err := cs.getConfig()
 	if err != nil {
 		return ConfigResult{}, pkgerrors.Wrap(err, "Update Error - Config doesn't exist")
 	}
-	lock, profileChannel := getProfileData(rbName + rbVersion + profileName)
+	lock, profileChannel := getProfileData(instanceID)
 	// Acquire per profile Mutex
 	lock.Lock()
 	defer lock.Unlock()
-	err = applyConfig(rbName, rbVersion, profileName, p, profileChannel, "DELETE")
+	err = applyConfig(instanceID, p, profileChannel, "DELETE")
 	if err != nil {
 		return ConfigResult{}, pkgerrors.Wrap(err, "Apply Config  failed")
 	}
@@ -248,16 +257,16 @@ func (v *ConfigClient) Delete(rbName, rbVersion, profileName, configName string)
 	}
 	// Create Version Entry in DB for Config
 	cvs := ConfigVersionStore{
-		rbName:      rbName,
-		rbVersion:   rbVersion,
-		profileName: profileName,
+		instanceID: instanceID,
 	}
 	version, err := cvs.createConfigVersion(Config{}, configPrev, "DELETE")
 	if err != nil {
 		return ConfigResult{}, pkgerrors.Wrap(err, "Delete Config Version DB Entry")
 	}
+
 	// Create Result structure
 	cfgRes := ConfigResult{
+		InstanceName:      instanceID,
 		DefinitionName:    rbName,
 		DefinitionVersion: rbVersion,
 		ProfileName:       profileName,
@@ -269,13 +278,13 @@ func (v *ConfigClient) Delete(rbName, rbVersion, profileName, configName string)
 }
 
 // Rollback starts from current version and rollbacks to the version desired
-func (v *ConfigClient) Rollback(rbName, rbVersion, profileName string, rback ConfigRollback) error {
+func (v *ConfigClient) Rollback(instanceID string, rback ConfigRollback) error {
 
 	var reqVersion string
 	var err error
 
 	if rback.AnyOf.ConfigTag != "" {
-		reqVersion, err = v.GetTagVersion(rbName, rbVersion, profileName, rback.AnyOf.ConfigTag)
+		reqVersion, err = v.GetTagVersion(instanceID, rback.AnyOf.ConfigTag)
 		if err != nil {
 			return pkgerrors.Wrap(err, "Rollback Invalid tag")
 		}
@@ -291,15 +300,13 @@ func (v *ConfigClient) Rollback(rbName, rbVersion, profileName string, rback Con
 	}
 	rollbackIndex := uint(index)
 
-	lock, profileChannel := getProfileData(rbName + rbVersion + profileName)
+	lock, profileChannel := getProfileData(instanceID)
 	// Acquire per profile Mutex
 	lock.Lock()
 	defer lock.Unlock()
 
 	cvs := ConfigVersionStore{
-		rbName:      rbName,
-		rbVersion:   rbVersion,
-		profileName: profileName,
+		instanceID: instanceID,
 	}
 	currentVersion, err := cvs.getCurrentVersion()
 	if err != nil {
@@ -317,14 +324,12 @@ func (v *ConfigClient) Rollback(rbName, rbVersion, profileName string, rback Con
 			return pkgerrors.Wrap(err, "Rollback Get Config Version")
 		}
 		cs := ConfigStore{
-			rbName:      rbName,
-			rbVersion:   rbVersion,
-			profileName: profileName,
-			configName:  configNew.ConfigName,
+			instanceID: instanceID,
+			configName: configNew.ConfigName,
 		}
 		if action == "PUT" {
 			// PUT is proceeded by PUT or POST
-			err = applyConfig(rbName, rbVersion, profileName, configPrev, profileChannel, "PUT")
+			err = applyConfig(instanceID, configPrev, profileChannel, "PUT")
 			if err != nil {
 				return pkgerrors.Wrap(err, "Apply Config  failed")
 			}
@@ -334,7 +339,7 @@ func (v *ConfigClient) Rollback(rbName, rbVersion, profileName string, rback Con
 			}
 		} else if action == "POST" {
 			// POST is always preceeded by Config not existing
-			err = applyConfig(rbName, rbVersion, profileName, configNew, profileChannel, "DELETE")
+			err = applyConfig(instanceID, configNew, profileChannel, "DELETE")
 			if err != nil {
 				return pkgerrors.Wrap(err, "Delete Config  failed")
 			}
@@ -344,7 +349,7 @@ func (v *ConfigClient) Rollback(rbName, rbVersion, profileName string, rback Con
 			}
 		} else if action == "DELETE" {
 			// DELETE is proceeded by PUT or POST
-			err = applyConfig(rbName, rbVersion, profileName, configPrev, profileChannel, "PUT")
+			err = applyConfig(instanceID, configPrev, profileChannel, "PUT")
 			if err != nil {
 				return pkgerrors.Wrap(err, "Delete Config  failed")
 			}
@@ -365,23 +370,25 @@ func (v *ConfigClient) Rollback(rbName, rbVersion, profileName string, rback Con
 }
 
 // Tagit tags the current version with the tag provided
-func (v *ConfigClient) Tagit(rbName, rbVersion, profileName string, tag ConfigTagit) error {
+func (v *ConfigClient) Tagit(instanceID string, tag ConfigTagit) error {
 
-	lock, _ := getProfileData(rbName + rbVersion + profileName)
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(instanceID)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	lock, _ := getProfileData(instanceID)
 	// Acquire per profile Mutex
 	lock.Lock()
 	defer lock.Unlock()
 
 	cvs := ConfigVersionStore{
-		rbName:      rbName,
-		rbVersion:   rbVersion,
-		profileName: profileName,
+		instanceID: instanceID,
 	}
 	currentVersion, err := cvs.getCurrentVersion()
 	if err != nil {
 		return pkgerrors.Wrap(err, "Get Current Config Version ")
 	}
-	tagKey := constructKey(rbName, rbVersion, profileName, v.tagTag, tag.TagName)
+	tagKey := constructKey(rbName, rbVersion, profileName, instanceID, v.tagTag, tag.TagName)
 
 	err = db.Etcd.Put(tagKey, strconv.Itoa(int(currentVersion)))
 	if err != nil {
@@ -391,9 +398,13 @@ func (v *ConfigClient) Tagit(rbName, rbVersion, profileName string, tag ConfigTa
 }
 
 // GetTagVersion returns the version associated with the tag
-func (v *ConfigClient) GetTagVersion(rbName, rbVersion, profileName, tagName string) (string, error) {
+func (v *ConfigClient) GetTagVersion(instanceID, tagName string) (string, error) {
 
-	tagKey := constructKey(rbName, rbVersion, profileName, v.tagTag, tagName)
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(instanceID)
+	if err != nil {
+		return "", pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	tagKey := constructKey(rbName, rbVersion, profileName, instanceID, v.tagTag, tagName)
 
 	value, err := db.Etcd.Get(tagKey)
 	if err != nil {
@@ -403,17 +414,15 @@ func (v *ConfigClient) GetTagVersion(rbName, rbVersion, profileName, tagName str
 }
 
 // ApplyAllConfig starts from first configuration version and applies all versions in sequence
-func (v *ConfigClient) ApplyAllConfig(rbName, rbVersion, profileName string) error {
+func (v *ConfigClient) ApplyAllConfig(instanceID string) error {
 
-	lock, profileChannel := getProfileData(rbName + rbVersion + profileName)
+	lock, profileChannel := getProfileData(instanceID)
 	// Acquire per profile Mutex
 	lock.Lock()
 	defer lock.Unlock()
 
 	cvs := ConfigVersionStore{
-		rbName:      rbName,
-		rbVersion:   rbVersion,
-		profileName: profileName,
+		instanceID: instanceID,
 	}
 	currentVersion, err := cvs.getCurrentVersion()
 	if err != nil {
@@ -429,7 +438,7 @@ func (v *ConfigClient) ApplyAllConfig(rbName, rbVersion, profileName string) err
 		if err != nil {
 			return pkgerrors.Wrap(err, "Get Config Version")
 		}
-		err = applyConfig(rbName, rbVersion, profileName, configNew, profileChannel, action)
+		err = applyConfig(instanceID, configNew, profileChannel, action)
 		if err != nil {
 			return pkgerrors.Wrap(err, "Apply Config  failed")
 		}
diff --git a/src/k8splugin/internal/app/config_backend.go b/src/k8splugin/internal/app/config_backend.go
index 4cbe1da3..5771c83f 100644
--- a/src/k8splugin/internal/app/config_backend.go
+++ b/src/k8splugin/internal/app/config_backend.go
@@ -1,5 +1,6 @@
 /*
  * Copyright 2018 Intel Corporation, Inc
+ * Copyright © 2021 Samsung Electronics
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,17 +45,13 @@ type configVersionDBContent struct {
 
 //ConfigStore to Store the Config
 type ConfigStore struct {
-	rbName      string
-	rbVersion   string
-	profileName string
-	configName  string
+	instanceID string
+	configName string
 }
 
 //ConfigVersionStore to Store the Versions of the Config
 type ConfigVersionStore struct {
-	rbName      string
-	rbVersion   string
-	profileName string
+	instanceID string
 }
 
 type configResourceList struct {
@@ -101,8 +98,12 @@ func constructKey(strs ...string) string {
 // Create an entry for the config in the database
 func (c ConfigStore) createConfig(p Config) error {
 
-	cfgKey := constructKey(c.rbName, c.rbVersion, c.profileName, tagConfig, p.ConfigName)
-	_, err := db.Etcd.Get(cfgKey)
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(c.instanceID)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	cfgKey := constructKey(rbName, rbVersion, profileName, c.instanceID, tagConfig, p.ConfigName)
+	_, err = db.Etcd.Get(cfgKey)
 	if err == nil {
 		return pkgerrors.Wrap(err, "Config DB Entry Already exists")
 	}
@@ -121,7 +122,11 @@ func (c ConfigStore) createConfig(p Config) error {
 // Returns the previous value of the Config
 func (c ConfigStore) updateConfig(p Config) (Config, error) {
 
-	cfgKey := constructKey(c.rbName, c.rbVersion, c.profileName, tagConfig, p.ConfigName)
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(c.instanceID)
+	if err != nil {
+		return Config{}, pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	cfgKey := constructKey(rbName, rbVersion, profileName, c.instanceID, tagConfig, p.ConfigName)
 	value, err := db.Etcd.Get(cfgKey)
 	configPrev := Config{}
 	if err == nil {
@@ -144,7 +149,11 @@ func (c ConfigStore) updateConfig(p Config) (Config, error) {
 
 // Read the config entry in the database
 func (c ConfigStore) getConfig() (Config, error) {
-	cfgKey := constructKey(c.rbName, c.rbVersion, c.profileName, tagConfig, c.configName)
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(c.instanceID)
+	if err != nil {
+		return Config{}, pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	cfgKey := constructKey(rbName, rbVersion, profileName, c.instanceID, tagConfig, c.configName)
 	value, err := db.Etcd.Get(cfgKey)
 	if err != nil {
 		return Config{}, pkgerrors.Wrap(err, "Get Config DB Entry")
@@ -164,7 +173,11 @@ func (c ConfigStore) getConfig() (Config, error) {
 // Delete the config entry in the database
 func (c ConfigStore) deleteConfig() (Config, error) {
 
-	cfgKey := constructKey(c.rbName, c.rbVersion, c.profileName, tagConfig, c.configName)
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(c.instanceID)
+	if err != nil {
+		return Config{}, pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	cfgKey := constructKey(rbName, rbVersion, profileName, c.instanceID, tagConfig, c.configName)
 	value, err := db.Etcd.Get(cfgKey)
 	if err != nil {
 		return Config{}, pkgerrors.Wrap(err, "Config DB Entry Not found")
@@ -190,7 +203,11 @@ func (c ConfigVersionStore) createConfigVersion(configNew, configPrev Config, ac
 	if err != nil {
 		return 0, pkgerrors.Wrap(err, "Get Next Version")
 	}
-	versionKey := constructKey(c.rbName, c.rbVersion, c.profileName, tagVersion, strconv.Itoa(int(version)))
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(c.instanceID)
+	if err != nil {
+		return 0, pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	versionKey := constructKey(rbName, rbVersion, profileName, c.instanceID, tagVersion, strconv.Itoa(int(version)))
 
 	var cs configVersionDBContent
 	cs.Action = action
@@ -216,7 +233,11 @@ func (c ConfigVersionStore) deleteConfigVersion() error {
 	if err != nil {
 		return pkgerrors.Wrap(err, "Get Next Version")
 	}
-	versionKey := constructKey(c.rbName, c.rbVersion, c.profileName, tagVersion, strconv.Itoa(int(counter)))
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(c.instanceID)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	versionKey := constructKey(rbName, rbVersion, profileName, c.instanceID, tagVersion, strconv.Itoa(int(counter)))
 
 	err = db.Etcd.Delete(versionKey)
 	if err != nil {
@@ -233,7 +254,11 @@ func (c ConfigVersionStore) deleteConfigVersion() error {
 // Also returns the action for the config version
 func (c ConfigVersionStore) getConfigVersion(version uint) (Config, Config, string, error) {
 
-	versionKey := constructKey(c.rbName, c.rbVersion, c.profileName, tagVersion, strconv.Itoa(int(version)))
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(c.instanceID)
+	if err != nil {
+		return Config{}, Config{}, "", pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	versionKey := constructKey(rbName, rbVersion, profileName, c.instanceID, tagVersion, strconv.Itoa(int(version)))
 	configBytes, err := db.Etcd.Get(versionKey)
 	if err != nil {
 		return Config{}, Config{}, "", pkgerrors.Wrap(err, "Get Config Version ")
@@ -253,7 +278,11 @@ func (c ConfigVersionStore) getConfigVersion(version uint) (Config, Config, stri
 // Get the counter for the version
 func (c ConfigVersionStore) getCurrentVersion() (uint, error) {
 
-	cfgKey := constructKey(c.rbName, c.rbVersion, c.profileName, tagCounter)
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(c.instanceID)
+	if err != nil {
+		return 0, pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	cfgKey := constructKey(rbName, rbVersion, profileName, c.instanceID, tagCounter)
 
 	value, err := db.Etcd.Get(cfgKey)
 	if err != nil {
@@ -275,8 +304,12 @@ func (c ConfigVersionStore) getCurrentVersion() (uint, error) {
 // Update the counter for the version
 func (c ConfigVersionStore) updateVersion(counter uint) error {
 
-	cfgKey := constructKey(c.rbName, c.rbVersion, c.profileName, tagCounter)
-	err := db.Etcd.Put(cfgKey, strconv.Itoa(int(counter)))
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(c.instanceID)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Retrieving model info")
+	}
+	cfgKey := constructKey(rbName, rbVersion, profileName, c.instanceID, tagCounter)
+	err = db.Etcd.Put(cfgKey, strconv.Itoa(int(counter)))
 	if err != nil {
 		return pkgerrors.Wrap(err, "Counter DB Entry")
 	}
@@ -318,8 +351,12 @@ func (c ConfigVersionStore) decrementVersion() error {
 }
 
 // Apply Config
-func applyConfig(rbName, rbVersion, profileName string, p Config, pChannel chan configResourceList, action string) error {
+func applyConfig(instanceID string, p Config, pChannel chan configResourceList, action string) error {
 
+	rbName, rbVersion, profileName, _, err := resolveModelFromInstance(instanceID)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Retrieving model info")
+	}
 	// Get Template and Resolve the template with values
 	crl, err := resolve(rbName, rbVersion, profileName, p)
 	if err != nil {
@@ -362,12 +399,12 @@ func scheduleResources(c chan configResourceList) {
 				}
 				//assuming - the resource is not exist already
 				data.createdResources, err = k8sClient.createResources(data.resourceTemplates, inst.Namespace)
-                                errCreate := err
+				errCreate := err
 				if err != nil {
 					// assuming - the err represent the resource is already exist, so going for update
 					data.createdResources, err = k8sClient.updateResources(data.resourceTemplates, inst.Namespace)
 					if err != nil {
-                                                log.Printf("Error Creating resources: %s", errCreate.Error())
+						log.Printf("Error Creating resources: %s", errCreate.Error())
 						log.Printf("Error Updating resources: %s", err.Error())
 						continue
 					}
@@ -405,7 +442,7 @@ var resolve = func(rbName, rbVersion, profileName string, p Config) (configResou
 
 	profile, err := rb.NewProfileClient().Get(rbName, rbVersion, profileName)
 	if err != nil {
-		return configResourceList{}, pkgerrors.Wrap(err, "Reading  Profile Data")
+		return configResourceList{}, pkgerrors.Wrap(err, "Reading Profile Data")
 	}
 
 	t, err := rb.NewConfigTemplateClient().Get(rbName, rbVersion, p.TemplateName)
diff --git a/src/k8splugin/internal/app/config_test.go b/src/k8splugin/internal/app/config_test.go
index 38f0fa13..028895d7 100644
--- a/src/k8splugin/internal/app/config_test.go
+++ b/src/k8splugin/internal/app/config_test.go
@@ -1,5 +1,6 @@
 /*
  * Copyright 2018 Intel Corporation, Inc
+ * Copyright © 2021 Samsung Electronics
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,6 +18,7 @@
 package app
 
 import (
+	"fmt"
 	"github.com/onap/multicloud-k8s/src/k8splugin/internal/db"
 	"reflect"
 	"strings"
@@ -24,12 +26,31 @@ import (
 	//	pkgerrors "github.com/pkg/errors"
 )
 
+func provideMockModelData(instanceID, rbName, rbVersion, profileName string) *db.MockDB {
+	return &db.MockDB{
+		Items: map[string]map[string][]byte{
+			InstanceKey{ID: instanceID}.String(): {
+				"instance": []byte(fmt.Sprintf(
+					`{
+          "id": "%s",
+          "request": {
+            "rb-name": "%s",
+            "rb-version": "%s",
+            "profile-name": "%s"
+          }
+        }`, instanceID, rbName, rbVersion, profileName)),
+			},
+		},
+	}
+}
+
 func TestCreateConfig(t *testing.T) {
 	testCases := []struct {
 		label         string
 		rbName        string
 		rbVersion     string
 		profileName   string
+		instanceID    string
 		inp           Config
 		expectedError string
 		mockdb        *db.MockEtcdClient
@@ -40,6 +61,7 @@ func TestCreateConfig(t *testing.T) {
 			rbName:      "testdef1",
 			rbVersion:   "v1",
 			profileName: "testprofile1",
+			instanceID:  "testinstance1",
 			inp: Config{
 				ConfigName:   "testconfig1",
 				TemplateName: "testtemplate1",
@@ -47,6 +69,7 @@ func TestCreateConfig(t *testing.T) {
 					"values": "{\"namespace\": \"kafka\", \"topic\": {\"name\":\"orders\", \"cluster\":\"my-cluster\", \"partitions\": 10,\"replicas\":   2, }}"},
 			},
 			expected: ConfigResult{
+				InstanceName:      "testinstance1",
 				DefinitionName:    "testdef1",
 				DefinitionVersion: "v1",
 				ProfileName:       "testprofile1",
@@ -65,11 +88,13 @@ func TestCreateConfig(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.label, func(t *testing.T) {
 			db.Etcd = testCase.mockdb
+			db.DBconn = provideMockModelData(testCase.instanceID, testCase.rbName,
+				testCase.rbVersion, testCase.profileName)
 			resolve = func(rbName, rbVersion, profileName string, p Config) (configResourceList, error) {
 				return configResourceList{}, nil
 			}
 			impl := NewConfigClient()
-			got, err := impl.Create(testCase.rbName, testCase.rbVersion, testCase.profileName, testCase.inp)
+			got, err := impl.Create(testCase.instanceID, testCase.inp)
 			if err != nil {
 				if testCase.expectedError == "" {
 					t.Fatalf("Create returned an unexpected error %s", err)
@@ -93,6 +118,7 @@ func TestRollbackConfig(t *testing.T) {
 		rbName         string
 		rbVersion      string
 		profileName    string
+		instanceID     string
 		inp            Config
 		inpUpdate1     Config
 		inpUpdate2     Config
@@ -109,6 +135,7 @@ func TestRollbackConfig(t *testing.T) {
 			rbName:      "testdef1",
 			rbVersion:   "v1",
 			profileName: "testprofile1",
+			instanceID:  "testinstance1",
 			inp: Config{
 				ConfigName:   "testconfig1",
 				TemplateName: "testtemplate1",
@@ -131,6 +158,7 @@ func TestRollbackConfig(t *testing.T) {
 				DefinitionName:    "testdef1",
 				DefinitionVersion: "v1",
 				ProfileName:       "testprofile1",
+				InstanceName:      "testinstance1",
 				ConfigName:        "testconfig1",
 				TemplateName:      "testtemplate1",
 				ConfigVersion:     1,
@@ -139,6 +167,7 @@ func TestRollbackConfig(t *testing.T) {
 				DefinitionName:    "testdef1",
 				DefinitionVersion: "v1",
 				ProfileName:       "testprofile1",
+				InstanceName:      "testinstance1",
 				ConfigName:        "testconfig1",
 				TemplateName:      "testtemplate1",
 				ConfigVersion:     2,
@@ -147,6 +176,7 @@ func TestRollbackConfig(t *testing.T) {
 				DefinitionName:    "testdef1",
 				DefinitionVersion: "v1",
 				ProfileName:       "testprofile1",
+				InstanceName:      "testinstance1",
 				ConfigName:        "testconfig1",
 				TemplateName:      "testtemplate1",
 				ConfigVersion:     3,
@@ -155,6 +185,7 @@ func TestRollbackConfig(t *testing.T) {
 				DefinitionName:    "testdef1",
 				DefinitionVersion: "v1",
 				ProfileName:       "testprofile1",
+				InstanceName:      "testinstance1",
 				ConfigName:        "testconfig1",
 				TemplateName:      "testtemplate1",
 				ConfigVersion:     4,
@@ -170,11 +201,13 @@ func TestRollbackConfig(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.label, func(t *testing.T) {
 			db.Etcd = testCase.mockdb
+			db.DBconn = provideMockModelData(testCase.instanceID, testCase.rbName,
+				testCase.rbVersion, testCase.profileName)
 			resolve = func(rbName, rbVersion, profileName string, p Config) (configResourceList, error) {
 				return configResourceList{}, nil
 			}
 			impl := NewConfigClient()
-			got, err := impl.Create(testCase.rbName, testCase.rbVersion, testCase.profileName, testCase.inp)
+			got, err := impl.Create(testCase.instanceID, testCase.inp)
 			if err != nil {
 				if testCase.expectedError == "" {
 					t.Fatalf("Create returned an unexpected error %s", err)
@@ -188,7 +221,7 @@ func TestRollbackConfig(t *testing.T) {
 						" expected %v", got, testCase.expected1)
 				}
 			}
-			got, err = impl.Update(testCase.rbName, testCase.rbVersion, testCase.profileName, testCase.inp.ConfigName, testCase.inpUpdate1)
+			got, err = impl.Update(testCase.instanceID, testCase.inp.ConfigName, testCase.inpUpdate1)
 			if err != nil {
 				if testCase.expectedError == "" {
 					t.Fatalf("Create returned an unexpected error %s", err)
@@ -202,7 +235,7 @@ func TestRollbackConfig(t *testing.T) {
 						" expected %v", got, testCase.expected2)
 				}
 			}
-			got, err = impl.Update(testCase.rbName, testCase.rbVersion, testCase.profileName, testCase.inp.ConfigName, testCase.inpUpdate2)
+			got, err = impl.Update(testCase.instanceID, testCase.inp.ConfigName, testCase.inpUpdate2)
 			if err != nil {
 				if testCase.expectedError == "" {
 					t.Fatalf("Create returned an unexpected error %s", err)
@@ -216,7 +249,7 @@ func TestRollbackConfig(t *testing.T) {
 						" expected %v", got, testCase.expected3)
 				}
 			}
-			got, err = impl.Delete(testCase.rbName, testCase.rbVersion, testCase.profileName, testCase.inp.ConfigName)
+			got, err = impl.Delete(testCase.instanceID, testCase.inp.ConfigName)
 			if err != nil {
 				if testCase.expectedError == "" {
 					t.Fatalf("Create returned an unexpected error %s", err)
@@ -231,7 +264,7 @@ func TestRollbackConfig(t *testing.T) {
 				}
 			}
 			testCase.rollbackConfig.AnyOf.ConfigVersion = "2"
-			err = impl.Rollback(testCase.rbName, testCase.rbVersion, testCase.profileName, testCase.rollbackConfig)
+			err = impl.Rollback(testCase.instanceID, testCase.rollbackConfig)
 			if err != nil {
 				if testCase.expectedError == "" {
 					t.Fatalf("Create returned an unexpected error %s", err)
@@ -240,7 +273,7 @@ func TestRollbackConfig(t *testing.T) {
 					t.Fatalf("Create returned an unexpected error %s", err)
 				}
 			}
-			rollbackConfig, err := impl.Get(testCase.rbName, testCase.rbVersion, testCase.profileName, testCase.inp.ConfigName)
+			rollbackConfig, err := impl.Get(testCase.instanceID, testCase.inp.ConfigName)
 			if err != nil {
 				if testCase.expectedError == "" {
 					t.Fatalf("Create returned an unexpected error %s", err)
diff --git a/src/k8splugin/internal/app/instance.go b/src/k8splugin/internal/app/instance.go
index a6e213c1..69ade3a8 100644
--- a/src/k8splugin/internal/app/instance.go
+++ b/src/k8splugin/internal/app/instance.go
@@ -1,6 +1,6 @@
 /*
  * Copyright 2018 Intel Corporation, Inc
- * Copyright © 2020 Samsung Electronics
+ * Copyright © 2021 Samsung Electronics
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -111,6 +111,16 @@ func NewInstanceClient() *InstanceClient {
 	}
 }
 
+// Simplified function to retrieve model data from instance ID
+func resolveModelFromInstance(instanceID string) (rbName, rbVersion, profileName, releaseName string, err error) {
+	v := NewInstanceClient()
+	resp, err := v.Get(instanceID)
+	if err != nil {
+		return "", "", "", "", pkgerrors.Wrap(err, "Getting instance")
+	}
+	return resp.Request.RBName, resp.Request.RBVersion, resp.Request.ProfileName, resp.ReleaseName, nil
+}
+
 // Create an instance of rb on the cluster  in the database
 func (v *InstanceClient) Create(i InstanceRequest) (InstanceResponse, error) {