Resolve the helm templates

Resolving the helm templates for each of the apps
in the compositeApp by utilizing the helm libraries
and thus getting the sorted templates with all values
rendered.
This is a subtask of adding instantiation APIs.

Issue-ID: MULTICLOUD-1041
Signed-off-by: Rajamohan Raj <rajamohan.raj@intel.com>
Change-Id: Id4fddda69b5276b2409d835723b11367400ab6ea

18 files changed, 936 insertions, 20 deletions

diff --git a/src/orchestrator/api/api.go b/src/orchestrator/api/api.go
index 1d38f106..fbd29563 100644
--- a/src/orchestrator/api/api.go
+++ b/src/orchestrator/api/api.go
@@ -33,7 +33,8 @@ func NewRouter(projectClient moduleLib.ProjectManager,
 	deploymentIntentGrpClient moduleLib.DeploymentIntentGroupManager,
 	intentClient moduleLib.IntentManager,
 	compositeProfileClient moduleLib.CompositeProfileManager,
-	appProfileClient moduleLib.AppProfileManager) *mux.Router {
+	appProfileClient moduleLib.AppProfileManager,
+	instantiationClient moduleLib.InstantiationManager) *mux.Router {
 
 	router := mux.NewRouter().PathPrefix("/v2").Subrouter()
 
@@ -163,5 +164,16 @@ func NewRouter(projectClient moduleLib.ProjectManager,
 	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/deployment-intent-groups/{deployment-intent-group-name}/intents/{intent-name}", intentHandler.getIntentHandler).Methods("GET")
 	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/deployment-intent-groups/{deployment-intent-group-name}/intents/{intent-name}", intentHandler.deleteIntentHandler).Methods("DELETE")
 
+	// setting routes for Instantiation
+	if instantiationClient == nil {
+		instantiationClient = moduleClient.Instantiation
+	}
+
+	instantiationHandler := instantiationHandler{
+		client: instantiationClient,
+	}
+
+	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/deployment-intent-groups/{deployment-intent-group-name}/instantiate", instantiationHandler.instantiateHandler).Methods("POST")
+
 	return router
 }
diff --git a/src/orchestrator/api/composite_profilehandler_test.go b/src/orchestrator/api/composite_profilehandler_test.go
index 360653c7..42b9b3a1 100644
--- a/src/orchestrator/api/composite_profilehandler_test.go
+++ b/src/orchestrator/api/composite_profilehandler_test.go
@@ -128,7 +128,7 @@ func Test_compositeProfileHandler_createHandler(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.label, func(t *testing.T) {
 			request := httptest.NewRequest("POST", "/v2/projects/{project-name}/composite-apps/{composite-app-name}/{version}/composite-profiles", testCase.reader)
-			resp := executeRequest(request, NewRouter(nil, nil, nil, nil, nil, nil, nil, nil, testCase.cProfClient, nil))
+			resp := executeRequest(request, NewRouter(nil, nil, nil, nil, nil, nil, nil, nil, testCase.cProfClient, nil, nil))
 
 			//Check returned code
 			if resp.StatusCode != testCase.expectedCode {
diff --git a/src/orchestrator/api/controllerhandler_test.go b/src/orchestrator/api/controllerhandler_test.go
index 1844fb32..3c543cb8 100644
--- a/src/orchestrator/api/controllerhandler_test.go
+++ b/src/orchestrator/api/controllerhandler_test.go
@@ -110,7 +110,7 @@ func TestControllerCreateHandler(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.label, func(t *testing.T) {
 			request := httptest.NewRequest("POST", "/v2/controllers", testCase.reader)
-			resp := executeRequest(request, NewRouter(nil, nil, nil, testCase.controllerClient, nil, nil, nil, nil, nil, nil))
+			resp := executeRequest(request, NewRouter(nil, nil, nil, testCase.controllerClient, nil, nil, nil, nil, nil, nil, nil))
 
 			//Check returned code
 			if resp.StatusCode != testCase.expectedCode {
@@ -173,7 +173,7 @@ func TestControllerGetHandler(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.label, func(t *testing.T) {
 			request := httptest.NewRequest("GET", "/v2/controllers/"+testCase.name, nil)
-			resp := executeRequest(request, NewRouter(nil, nil, nil, testCase.controllerClient, nil, nil, nil, nil, nil, nil))
+			resp := executeRequest(request, NewRouter(nil, nil, nil, testCase.controllerClient, nil, nil, nil, nil, nil, nil, nil))
 
 			//Check returned code
 			if resp.StatusCode != testCase.expectedCode {
@@ -222,7 +222,7 @@ func TestControllerDeleteHandler(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.label, func(t *testing.T) {
 			request := httptest.NewRequest("DELETE", "/v2/controllers/"+testCase.name, nil)
-			resp := executeRequest(request, NewRouter(nil, nil, nil, testCase.controllerClient, nil, nil, nil, nil, nil, nil))
+			resp := executeRequest(request, NewRouter(nil, nil, nil, testCase.controllerClient, nil, nil, nil, nil, nil, nil, nil))
 
 			//Check returned code
 			if resp.StatusCode != testCase.expectedCode {
diff --git a/src/orchestrator/api/instantiation_handler.go b/src/orchestrator/api/instantiation_handler.go
new file mode 100644
index 00000000..d9da2183
--- /dev/null
+++ b/src/orchestrator/api/instantiation_handler.go
@@ -0,0 +1,64 @@
+/*
+ * 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 api
+
+import (
+	"github.com/gorilla/mux"
+	moduleLib "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module"
+	"net/http"
+)
+
+/* Used to store backend implementation objects
+Also simplifies mocking for unit testing purposes
+*/
+type instantiationHandler struct {
+	client moduleLib.InstantiationManager
+}
+
+// func (h instantiationHandler) approveInstantiationHandler(w http.ResponseWriter, r *http.Request) {
+
+// 	vars := mux.Vars(r)
+// 	p := vars["project-name"]
+// 	ca := vars["composite-app-name"]
+// 	v := vars["composite-app-version"]
+// 	di := vars["deployment-intent-group-name"]
+
+// 	instantiateErr := h.client.ApproveInstantiation(p, ca, v, di)
+// 	if instantiateErr != nil {
+// 		http.Error(w, instantiateErr.Error(), http.StatusInternalServerError)
+// 		return
+// 	}
+
+// 	w.WriteHeader(http.StatusCreated)
+// }
+
+func (h instantiationHandler) instantiateHandler(w http.ResponseWriter, r *http.Request) {
+
+	vars := mux.Vars(r)
+	p := vars["project-name"]
+	ca := vars["composite-app-name"]
+	v := vars["composite-app-version"]
+	di := vars["deployment-intent-group-name"]
+
+	iErr := h.client.Instantiate(p, ca, v, di)
+	if iErr != nil {
+		http.Error(w, iErr.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.WriteHeader(http.StatusAccepted)
+
+}
diff --git a/src/orchestrator/api/projecthandler_test.go b/src/orchestrator/api/projecthandler_test.go
index af40f961..5e820aa2 100644
--- a/src/orchestrator/api/projecthandler_test.go
+++ b/src/orchestrator/api/projecthandler_test.go
@@ -119,7 +119,7 @@ func TestProjectCreateHandler(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.label, func(t *testing.T) {
 			request := httptest.NewRequest("POST", "/v2/projects", testCase.reader)
-			resp := executeRequest(request, NewRouter(testCase.projectClient, nil, nil, nil, nil, nil, nil, nil, nil, nil))
+			resp := executeRequest(request, NewRouter(testCase.projectClient, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil))
 
 			//Check returned code
 			if resp.StatusCode != testCase.expectedCode {
@@ -188,7 +188,7 @@ func TestProjectGetHandler(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.label, func(t *testing.T) {
 			request := httptest.NewRequest("GET", "/v2/projects/"+testCase.name, nil)
-			resp := executeRequest(request, NewRouter(testCase.projectClient, nil, nil, nil, nil, nil, nil, nil, nil, nil))
+			resp := executeRequest(request, NewRouter(testCase.projectClient, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil))
 
 			//Check returned code
 			if resp.StatusCode != testCase.expectedCode {
@@ -237,7 +237,7 @@ func TestProjectDeleteHandler(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.label, func(t *testing.T) {
 			request := httptest.NewRequest("DELETE", "/v2/projects/"+testCase.name, nil)
-			resp := executeRequest(request, NewRouter(testCase.projectClient, nil, nil, nil, nil, nil, nil, nil, nil, nil))
+			resp := executeRequest(request, NewRouter(testCase.projectClient, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil))
 
 			//Check returned code
 			if resp.StatusCode != testCase.expectedCode {
diff --git a/src/orchestrator/cmd/main.go b/src/orchestrator/cmd/main.go
index f95c057e..001903a7 100644
--- a/src/orchestrator/cmd/main.go
+++ b/src/orchestrator/cmd/main.go
@@ -47,7 +47,7 @@ func main() {
 		log.Fatalln("Exiting...")
 	}
 
-	httpRouter := api.NewRouter(nil, nil, nil, nil, nil, nil, nil, nil, nil, nil)
+	httpRouter := api.NewRouter(nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil)
 	loggedRouter := handlers.LoggingHandler(os.Stdout, httpRouter)
 	log.Println("Starting Kubernetes Multicloud API")
 
diff --git a/src/orchestrator/go.mod b/src/orchestrator/go.mod
index 547fa8ed..39d28d5c 100644
--- a/src/orchestrator/go.mod
+++ b/src/orchestrator/go.mod
@@ -2,13 +2,11 @@ module github.com/onap/multicloud-k8s/src/orchestrator
 
 require (
 	github.com/coreos/etcd v3.3.12+incompatible
-	github.com/docker/engine v0.0.0-20190620014054-c513a4c6c298
 	github.com/ghodss/yaml v1.0.0
 	github.com/gogo/protobuf v1.3.1 // indirect
 	github.com/golang/snappy v0.0.1 // indirect
 	github.com/gorilla/handlers v1.3.0
 	github.com/gorilla/mux v1.6.2
-	github.com/hashicorp/consul v1.4.0
 	github.com/json-iterator/go v1.1.8 // indirect
 	github.com/onap/multicloud-k8s/src/k8splugin v0.0.0-20191115005109-f168ebb73d8d // indirect
 	github.com/pkg/errors v0.8.1
@@ -17,9 +15,7 @@ require (
 	go.mongodb.org/mongo-driver v1.0.0
 	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297
 	golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e // indirect
-	k8s.io/api v0.0.0-20190831074750-7364b6bdad65
 	k8s.io/apimachinery v0.0.0-20190831074630-461753078381
-	k8s.io/client-go v11.0.1-0.20190409021438-1a26190bd76a+incompatible
 	k8s.io/helm v2.14.3+incompatible
 	k8s.io/klog v1.0.0 // indirect
 )
diff --git a/src/orchestrator/go.sum b/src/orchestrator/go.sum
index aeab3b50..8205385d 100644
--- a/src/orchestrator/go.sum
+++ b/src/orchestrator/go.sum
@@ -1,80 +1,119 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/DATA-DOG/go-sqlmock v1.3.3 h1:CWUqKXe0s8A2z6qCgkP4Kru7wC11YoAnoupUKFDnH08=
 github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/DataDog/datadog-go v2.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
+github.com/MakeNowJust/heredoc v0.0.0-20171113091838-e9091a26100e h1:eb0Pzkt15Bm7f2FFYv7sjY7NPFi3cPkS3tv1CcrFBWA=
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@@ -120,17 +169,25 @@ github.com/hashicorp/go-rootcerts v0.0.0-20160503143440-6bb64b370b90 h1:VBj0QYQ0
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@@ -274,6 +368,7 @@ golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k
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 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -300,6 +395,7 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/time v0.0.0-20181108054448-85acf8d2951c h1:fqgJT0MGcGpPgpWU7VRdRjuArfcOvC4AoJmILihzhDg=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -313,6 +409,7 @@ golang.org/x/tools v0.0.0-20190624180213-70d37148ca0c/go.mod h1:/rFqwRUd4F7ZHNgw
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/appengine v1.5.0 h1:KxkO13IPW4Lslp2bz+KHP2E3gtFlrIGNThxkZQ3g+4c=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -322,43 +419,59 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98
 google.golang.org/grpc v1.19.0 h1:cfg4PD8YEdSFnm7qLV4++93WcmhH2nIUhMjhdCvl3j8=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/gorp.v1 v1.7.2 h1:j3DWlAyGVv8whO7AcIWznQ2Yj7yJkn34B8s63GViAAw=
 gopkg.in/gorp.v1 v1.7.2/go.mod h1:Wo3h+DBQZIxATwftsglhdD/62zRFPhGhTiu5jUJmCaw=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/square/go-jose.v2 v2.2.2 h1:orlkJ3myw8CN1nVQHBFfloD+L3egixIa4FvUP6RosSA=
 gopkg.in/square/go-jose.v2 v2.2.2/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 k8s.io/api v0.0.0-20190409021203-6e4e0e4f393b h1:aBGgKJUM9Hk/3AE8WaZIApnTxG35kbuQba2w+SXqezo=
 k8s.io/api v0.0.0-20190409021203-6e4e0e4f393b/go.mod h1:iuAfoD4hCxJ8Onx9kaTIt30j7jUFS00AXQi6QMi99vA=
+k8s.io/apiextensions-apiserver v0.0.0-20190409022649-727a075fdec8 h1:q1Qvjzs/iEdXF6A1a8H3AKVFDzJNcJn3nXMs6R6qFtA=
 k8s.io/apiextensions-apiserver v0.0.0-20190409022649-727a075fdec8/go.mod h1:IxkesAMoaCRoLrPJdZNZUQp9NfZnzqaVzLhb2VEQzXE=
 k8s.io/apimachinery v0.0.0-20190404173353-6a84e37a896d h1:Jmdtdt1ZnoGfWWIIik61Z7nKYgO3J+swQJtPYsP9wHA=
 k8s.io/apimachinery v0.0.0-20190404173353-6a84e37a896d/go.mod h1:ccL7Eh7zubPUSh9A3USN90/OzHNSVN6zxzde07TDCL0=
+k8s.io/apiserver v0.0.0-20190409021813-1ec86e4da56c h1:k7ALUVzrOEgz4hOF+pr4pePn7TqZ9lB/8Z8ndMSsWSU=
 k8s.io/apiserver v0.0.0-20190409021813-1ec86e4da56c/go.mod h1:6bqaTSOSJavUIXUtfaR9Os9JtTCm8ZqH2SUl2S60C4w=
+k8s.io/cli-runtime v0.0.0-20190409023024-d644b00f3b79 h1:bZyxc0wzVA5KgUfAXZA6z872zDWmyslwfvrr175VF68=
 k8s.io/cli-runtime v0.0.0-20190409023024-d644b00f3b79/go.mod h1:qWnH3/b8sp/l7EvlDh7ulDU3UWA4P4N1NFbEEP791tM=
 k8s.io/client-go v11.0.1-0.20190409021438-1a26190bd76a+incompatible h1:U5Bt+dab9K8qaUmXINrkXO135kA11/i5Kg1RUydgaMQ=
 k8s.io/client-go v11.0.1-0.20190409021438-1a26190bd76a+incompatible/go.mod h1:7vJpHMYJwNQCWgzmNV+VYUl1zCObLyodBc8nIyt8L5s=
+k8s.io/cloud-provider v0.0.0-20190409023720-1bc0c81fa51d h1:ad7UpNUGRx6FbYoK4+xIYyeS2CUShjNKY45YN1ipjLI=
 k8s.io/cloud-provider v0.0.0-20190409023720-1bc0c81fa51d/go.mod h1:LlIffnLBu+GG7d4ppPzC8UnA1Ex8S+ntmSRVsnr7Xy4=
 k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
+k8s.io/helm v2.14.3+incompatible h1:uzotTcZXa/b2SWVoUzM1xiCXVjI38TuxMujS/1s+3Gw=
 k8s.io/helm v2.14.3+incompatible/go.mod h1:LZzlS4LQBHfciFOurYBFkCMTaZ0D1l+p0teMg7TSULI=
 k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
 k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
 k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
 k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
+k8s.io/kube-openapi v0.0.0-20190816220812-743ec37842bf h1:EYm5AW/UUDbnmnI+gK0TJDVK9qPLhM+sRHYanNKw0EQ=
 k8s.io/kube-openapi v0.0.0-20190816220812-743ec37842bf/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
+k8s.io/kubernetes v1.14.1 h1:I9F52h5sqVxBmoSsBlNQ0YygNcukDilkpGxUbJRoBoY=
 k8s.io/kubernetes v1.14.1/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk=
+k8s.io/utils v0.0.0-20190907131718-3d4f5b7dea0b h1:eMM0sTvh3KBVGwJfuNcU86P38TJhlVMAICbFPDG3t0M=
 k8s.io/utils v0.0.0-20190907131718-3d4f5b7dea0b/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
+sigs.k8s.io/kustomize v2.0.3+incompatible h1:JUufWFNlI44MdtnjUqVnvh29rR37PQFzPbLXqhyOyX0=
 sigs.k8s.io/kustomize v2.0.3+incompatible/go.mod h1:MkjgH3RdOWrievjo6c9T245dYlB5QeXV4WCbnt/PEpU=
 sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
 sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
+vbom.ml/util v0.0.0-20180919145318-efcd4e0f9787 h1:O69FD9pJA4WUZlEwYatBEEkRWKQ5cKodWpdKTrCS/iQ=
 vbom.ml/util v0.0.0-20180919145318-efcd4e0f9787/go.mod h1:so/NYdZXCz+E3ZpW0uAoCj6uzU2+8OWDFv/HxUSs7kI=
diff --git a/src/orchestrator/pkg/infra/db/mongo.go b/src/orchestrator/pkg/infra/db/mongo.go
index a344aa1c..b33d6c65 100644
--- a/src/orchestrator/pkg/infra/db/mongo.go
+++ b/src/orchestrator/pkg/infra/db/mongo.go
@@ -49,7 +49,7 @@ type MongoCollection interface {
 		opts ...*options.FindOptions) (*mongo.Cursor, error)
 	UpdateOne(ctx context.Context, filter interface{}, update interface{},
 		opts ...*options.UpdateOptions) (*mongo.UpdateResult, error)
-        CountDocuments(ctx context.Context, filter interface{},
+	CountDocuments(ctx context.Context, filter interface{},
 		opts ...*options.CountOptions) (int64, error)
 }
 
@@ -587,4 +587,3 @@ func (m *MongoStore) Remove(coll string, key Key) error {
 	}
 	return nil
 }
-
diff --git a/src/orchestrator/pkg/infra/db/store.go b/src/orchestrator/pkg/infra/db/store.go
index e87722cd..9c6532f1 100644
--- a/src/orchestrator/pkg/infra/db/store.go
+++ b/src/orchestrator/pkg/infra/db/store.go
@@ -59,7 +59,7 @@ type Store interface {
 	// Find the document(s) with key and get the tag values from the document(s)
 	Find(coll string, key Key, tag string) ([][]byte, error)
 
-        // Removes the document(s) matching the key if no child reference in collection
+	// Removes the document(s) matching the key if no child reference in collection
 	Remove(coll string, key Key) error
 
 	// Remove all the document(s) matching the key
diff --git a/src/orchestrator/pkg/module/app.go b/src/orchestrator/pkg/module/app.go
index 1e1a5974..40659de8 100644
--- a/src/orchestrator/pkg/module/app.go
+++ b/src/orchestrator/pkg/module/app.go
@@ -38,6 +38,7 @@ type AppMetaData struct {
 }
 
 //AppContent contains fileContent
+// TODO : This should have been []byte
 type AppContent struct {
 	FileContent string
 }
diff --git a/src/orchestrator/pkg/module/composite_profile.go b/src/orchestrator/pkg/module/composite_profile.go
index dca2116a..25a9721c 100644
--- a/src/orchestrator/pkg/module/composite_profile.go
+++ b/src/orchestrator/pkg/module/composite_profile.go
@@ -121,7 +121,7 @@ func (c *CompositeProfileClient) CreateCompositeProfile(cpf CompositeProfile, p
 	return cpf, nil
 }
 
-// GetCompositeProfile shall take arguments - name of the composite profile, name of //// the project, name of the composite app and version of the composite app. It shall return the CompositeProfile if its present.
+// GetCompositeProfile shall take arguments - name of the composite profile, name of the project, name of the composite app and version of the composite app. It shall return the CompositeProfile if its present.
 func (c *CompositeProfileClient) GetCompositeProfile(cpf string, p string, ca string, v string) (CompositeProfile, error) {
 	key := CompositeProfileKey{
 		Name:         cpf,
@@ -147,7 +147,7 @@ func (c *CompositeProfileClient) GetCompositeProfile(cpf string, p string, ca st
 	return CompositeProfile{}, pkgerrors.New("Error getting CompositeProfile")
 }
 
-// GetCompositeProfile shall take arguments - name of the composite profile, name of //// the project, name of the composite app and version of the composite app. It shall return the CompositeProfile if its present.
+// GetCompositeProfiles shall take arguments - name of the project, name of the composite profile and version of the composite app. It shall return an array of CompositeProfile.
 func (c *CompositeProfileClient) GetCompositeProfiles(p string, ca string, v string) ([]CompositeProfile, error) {
 	key := CompositeProfileKey{
 		Name:         "",
@@ -175,7 +175,7 @@ func (c *CompositeProfileClient) GetCompositeProfiles(p string, ca string, v str
 	return resp, nil
 }
 
-// DeleteCompositeProfile the intent from the database
+// DeleteCompositeProfile deletes the compsiteApp profile from the database
 func (c *CompositeProfileClient) DeleteCompositeProfile(cpf string, p string, ca string, v string) error {
 	key := CompositeProfileKey{
 		Name:         cpf,
diff --git a/src/orchestrator/pkg/module/instantiation.go b/src/orchestrator/pkg/module/instantiation.go
new file mode 100644
index 00000000..3c704181
--- /dev/null
+++ b/src/orchestrator/pkg/module/instantiation.go
@@ -0,0 +1,143 @@
+/*
+ * 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"
+	"github.com/onap/multicloud-k8s/src/orchestrator/utils/helm"
+
+	"github.com/onap/multicloud-k8s/src/orchestrator/utils/types"
+	pkgerrors "github.com/pkg/errors"
+
+	"encoding/base64"
+	"log"
+)
+
+// ManifestFileName is the name given to the manifest file in the profile package
+const ManifestFileName = "manifest.yaml"
+
+// 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{}
+}
+
+// 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) ([]types.KubernetesResourceTemplate, error) {
+
+	log.Println("Processing App.. ", appName)
+
+	var sortedTemplates []types.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,
+		rName, 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
+
+	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)
+	}
+	log.Printf("Done with instantiation...")
+	return err
+}
diff --git a/src/orchestrator/pkg/module/module.go b/src/orchestrator/pkg/module/module.go
index c697bbff..e05b8753 100644
--- a/src/orchestrator/pkg/module/module.go
+++ b/src/orchestrator/pkg/module/module.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 Intel Corporation, Inc
+ * 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.
@@ -29,6 +29,7 @@ type Client struct {
 	CompositeProfile       *CompositeProfileClient
 	AppProfile             *AppProfileClient
 	// Add Clients for API's here
+	Instantiation *InstantiationClient
 }
 
 // NewClient creates a new client for using the services
@@ -45,5 +46,6 @@ func NewClient() *Client {
 	c.CompositeProfile = NewCompositeProfileClient()
 	c.AppProfile = NewAppProfileClient()
 	// Add Client API handlers here
+	c.Instantiation = NewInstantiationClient()
 	return c
 }
diff --git a/src/orchestrator/utils/helm/helm.go b/src/orchestrator/utils/helm/helm.go
new file mode 100644
index 00000000..f0d15fbf
--- /dev/null
+++ b/src/orchestrator/utils/helm/helm.go
@@ -0,0 +1,320 @@
+/*
+ * 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 helm
+
+import (
+	"bytes"
+	utils "github.com/onap/multicloud-k8s/src/orchestrator/utils"
+	"github.com/onap/multicloud-k8s/src/orchestrator/utils/types"
+
+	pkgerrors "github.com/pkg/errors"
+	"log"
+
+	"fmt"
+	"io/ioutil"
+	"k8s.io/helm/pkg/strvals"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"github.com/ghodss/yaml"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/runtime/serializer/json"
+	"k8s.io/apimachinery/pkg/util/validation"
+	k8syaml "k8s.io/apimachinery/pkg/util/yaml"
+	"k8s.io/helm/pkg/chartutil"
+	"k8s.io/helm/pkg/manifest"
+	"k8s.io/helm/pkg/proto/hapi/chart"
+	"k8s.io/helm/pkg/releaseutil"
+	"k8s.io/helm/pkg/renderutil"
+	"k8s.io/helm/pkg/tiller"
+	"k8s.io/helm/pkg/timeconv"
+)
+
+// Template is the interface for all helm templating commands
+// Any backend implementation will implement this interface and will
+// access the functionality via this.
+type Template interface {
+	GenerateKubernetesArtifacts(
+		chartPath string,
+		valueFiles []string,
+		values []string) (map[string][]string, error)
+}
+
+// TemplateClient implements the Template interface
+// It will also be used to maintain any localized state
+type TemplateClient struct {
+	whitespaceRegex *regexp.Regexp
+	kubeVersion     string
+	kubeNameSpace   string
+	releaseName     string
+	manifestName    string
+}
+
+// NewTemplateClient returns a new instance of TemplateClient
+func NewTemplateClient(k8sversion, namespace, releasename, manifestFileName string) *TemplateClient {
+	return &TemplateClient{
+		whitespaceRegex: regexp.MustCompile(`^\s*$`),
+		// defaultKubeVersion is the default value of --kube-version flag
+		kubeVersion:   k8sversion,
+		kubeNameSpace: namespace,
+		releaseName:   releasename,
+		manifestName:  manifestFileName,
+	}
+}
+
+// Combines valueFiles and values into a single values stream.
+// values takes precedence over valueFiles
+func (h *TemplateClient) processValues(valueFiles []string, values []string) ([]byte, error) {
+	base := map[string]interface{}{}
+
+	//Values files that are used for overriding the chart
+	for _, filePath := range valueFiles {
+		currentMap := map[string]interface{}{}
+
+		var bytes []byte
+		var err error
+		if strings.TrimSpace(filePath) == "-" {
+			bytes, err = ioutil.ReadAll(os.Stdin)
+		} else {
+			bytes, err = ioutil.ReadFile(filePath)
+		}
+
+		if err != nil {
+			return []byte{}, err
+		}
+
+		if err := yaml.Unmarshal(bytes, &currentMap); err != nil {
+			return []byte{}, fmt.Errorf("failed to parse %s: %s", filePath, err)
+		}
+		// Merge with the previous map
+		base = h.mergeValues(base, currentMap)
+	}
+
+	//User specified value. Similar to ones provided by -x
+	for _, value := range values {
+		if err := strvals.ParseInto(value, base); err != nil {
+			return []byte{}, fmt.Errorf("failed parsing --set data: %s", err)
+		}
+	}
+
+	return yaml.Marshal(base)
+}
+
+func (h *TemplateClient) mergeValues(dest map[string]interface{}, src map[string]interface{}) map[string]interface{} {
+	for k, v := range src {
+		// If the key doesn't exist already, then just set the key to that value
+		if _, exists := dest[k]; !exists {
+			dest[k] = v
+			continue
+		}
+		nextMap, ok := v.(map[string]interface{})
+		// If it isn't another map, overwrite the value
+		if !ok {
+			dest[k] = v
+			continue
+		}
+		// Edge case: If the key exists in the destination, but isn't a map
+		destMap, isMap := dest[k].(map[string]interface{})
+		// If the source map has a map for this key, prefer it
+		if !isMap {
+			dest[k] = v
+			continue
+		}
+		// If we got to this point, it is a map in both, so merge them
+		dest[k] = h.mergeValues(destMap, nextMap)
+	}
+	return dest
+}
+
+// GenerateKubernetesArtifacts a mapping of type to fully evaluated helm template
+func (h *TemplateClient) GenerateKubernetesArtifacts(inputPath string, valueFiles []string,
+	values []string) ([]types.KubernetesResourceTemplate, error) {
+
+	var outputDir, chartPath, namespace, releaseName string
+	var retData []types.KubernetesResourceTemplate
+
+	releaseName = h.releaseName
+	namespace = h.kubeNameSpace
+
+	// verify chart path exists
+	if _, err := os.Stat(inputPath); err == nil {
+		if chartPath, err = filepath.Abs(inputPath); err != nil {
+			return retData, err
+		}
+	} else {
+		return retData, err
+	}
+
+	//Create a temp directory in the system temp folder
+	outputDir, err := ioutil.TempDir("", "helm-tmpl-")
+	if err != nil {
+		return retData, pkgerrors.Wrap(err, "Got error creating temp dir")
+	}
+	log.Printf("The o/p dir:: %s ", outputDir)
+
+	if namespace == "" {
+		namespace = "default"
+	}
+
+	// get combined values and create config
+	rawVals, err := h.processValues(valueFiles, values)
+	if err != nil {
+		return retData, err
+	}
+	config := &chart.Config{Raw: string(rawVals), Values: map[string]*chart.Value{}}
+
+	if msgs := validation.IsDNS1123Label(releaseName); releaseName != "" && len(msgs) > 0 {
+		return retData, fmt.Errorf("release name %s is not a valid DNS label: %s", releaseName, strings.Join(msgs, ";"))
+	}
+
+	// Check chart requirements to make sure all dependencies are present in /charts
+	c, err := chartutil.Load(chartPath)
+	if err != nil {
+		return retData, pkgerrors.Errorf("Got error: %s", err.Error())
+	}
+
+	renderOpts := renderutil.Options{
+		ReleaseOptions: chartutil.ReleaseOptions{
+			Name:      releaseName,
+			IsInstall: true,
+			IsUpgrade: false,
+			Time:      timeconv.Now(),
+			Namespace: namespace,
+		},
+		KubeVersion: h.kubeVersion,
+	}
+
+	renderedTemplates, err := renderutil.Render(c, config, renderOpts)
+	if err != nil {
+		return retData, err
+	}
+
+	newRenderedTemplates := make(map[string]string)
+
+	//Some manifests can contain multiple yaml documents
+	//This step is splitting them up into multiple files
+	//Each file contains only a single k8s kind
+	for k, v := range renderedTemplates {
+		//Splits into manifest-0, manifest-1 etc
+		if filepath.Base(k) == "NOTES.txt" {
+			continue
+		}
+		rmap := releaseutil.SplitManifests(v)
+		count := 0
+		for _, v1 := range rmap {
+			key := fmt.Sprintf("%s-%d", k, count)
+			newRenderedTemplates[key] = v1
+			count = count + 1
+		}
+	}
+
+	listManifests := manifest.SplitManifests(newRenderedTemplates)
+	var manifestsToRender []manifest.Manifest
+	//render all manifests in the chart
+	manifestsToRender = listManifests
+	for _, m := range tiller.SortByKind(manifestsToRender) {
+		data := m.Content
+		b := filepath.Base(m.Name)
+		if b == "NOTES.txt" {
+			continue
+		}
+		if strings.HasPrefix(b, "_") {
+			continue
+		}
+
+		// blank template after execution
+		if h.whitespaceRegex.MatchString(data) {
+			continue
+		}
+
+		mfilePath := filepath.Join(outputDir, m.Name)
+		utils.EnsureDirectory(mfilePath)
+		err = ioutil.WriteFile(mfilePath, []byte(data), 0666)
+		if err != nil {
+			return retData, err
+		}
+
+		gvk, err := getGroupVersionKind(data)
+		if err != nil {
+			return retData, err
+		}
+
+		kres := types.KubernetesResourceTemplate{
+			GVK:      gvk,
+			FilePath: mfilePath,
+		}
+		retData = append(retData, kres)
+	}
+	return retData, nil
+}
+
+func getGroupVersionKind(data string) (schema.GroupVersionKind, error) {
+	out, err := k8syaml.ToJSON([]byte(data))
+	if err != nil {
+		return schema.GroupVersionKind{}, pkgerrors.Wrap(err, "Converting yaml to json")
+	}
+
+	simpleMeta := json.SimpleMetaFactory{}
+	gvk, err := simpleMeta.Interpret(out)
+	if err != nil {
+		return schema.GroupVersionKind{}, pkgerrors.Wrap(err, "Parsing apiversion and kind")
+	}
+
+	return *gvk, nil
+}
+
+// Resolver is an interface exposes the helm related functionalities
+type Resolver interface {
+	Resolve(appContent, appProfileContent []byte, overrideValuesOfAppStr []string, rName string) ([]types.KubernetesResourceTemplate, error)
+}
+
+// Resolve function
+func (h *TemplateClient) Resolve(appContent []byte, appProfileContent []byte, overrideValuesOfAppStr []string, rName, appName string) ([]types.KubernetesResourceTemplate, error) {
+
+	var sortedTemplates []types.KubernetesResourceTemplate
+
+	//prPath is the tmp path where the appProfileContent is extracted.
+	prPath, err := utils.ExtractTarBall(bytes.NewBuffer(appProfileContent))
+	if err != nil {
+		return sortedTemplates, pkgerrors.Wrap(err, "Extracting Profile Content")
+	}
+	log.Printf("The profile path:: %s", prPath)
+
+	prYamlClient, err := utils.ProcessProfileYaml(prPath, h.manifestName)
+	if err != nil {
+		return sortedTemplates, pkgerrors.Wrap(err, "Processing Profile Manifest")
+	}
+	log.Println("Got the profileYamlClient..")
+
+	//chartBasePath is the tmp path where the appContent(rawHelmCharts) is extracted.
+	chartBasePath, err := utils.ExtractTarBall(bytes.NewBuffer(appContent))
+	log.Printf("The chartBasePath :: %s", chartBasePath)
+
+	err = prYamlClient.CopyConfigurationOverrides(chartBasePath)
+	if err != nil {
+		return sortedTemplates, pkgerrors.Wrap(err, "Copying configresources to chart")
+	}
+
+	chartPath := filepath.Join(chartBasePath, appName)
+	sortedTemplates, err = h.GenerateKubernetesArtifacts(chartPath, []string{prYamlClient.GetValues()}, overrideValuesOfAppStr)
+	if err != nil {
+		return sortedTemplates, pkgerrors.Wrap(err, "Generate final k8s yaml")
+	}
+	return sortedTemplates, nil
+}
diff --git a/src/orchestrator/utils/profile_yaml.go b/src/orchestrator/utils/profile_yaml.go
new file mode 100644
index 00000000..91687c0a
--- /dev/null
+++ b/src/orchestrator/utils/profile_yaml.go
@@ -0,0 +1,109 @@
+/*
+ * 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 utils
+
+import (
+	"io/ioutil"
+	"log"
+	"path/filepath"
+
+	"github.com/ghodss/yaml"
+	pkgerrors "github.com/pkg/errors"
+)
+
+/*
+#Sample Yaml format for profile manifest.yaml
+---
+version: v1
+type:
+  values: "values_override.yaml"
+  configresource:
+    - filepath: config.yaml
+      chartpath: chart/config/resources/config.yaml
+    - filepath: config2.yaml
+      chartpath: chart/config/resources/config2.yaml
+*/
+
+type overrideFiles struct {
+	FilePath  string `yaml:"filepath"`
+	ChartPath string `yaml:"chartpath"`
+}
+
+type supportedOverrides struct {
+	ConfigResource []overrideFiles `yaml:"configresource"`
+	Values         string          `yaml:"values"`
+}
+
+type profileOverride struct {
+	Version string             `yaml:"version"`
+	Type    supportedOverrides `yaml:"type"`
+}
+
+type ProfileYamlClient struct {
+	path     string
+	override profileOverride
+}
+
+func (p ProfileYamlClient) Print() {
+	log.Println(p.override)
+}
+
+//GetValues returns a path to the override values.yam
+//that was part of the profile
+func (p ProfileYamlClient) GetValues() string {
+	return filepath.Join(p.path, p.override.Type.Values)
+}
+
+//CopyConfigurationOverrides copies the various files that are
+//provided as overrides to their corresponding locations within
+//the destination chart.
+func (p ProfileYamlClient) CopyConfigurationOverrides(chartPath string) error {
+
+	//Iterate over each configresource and copy that file into
+	//the respective path in the chart.
+	for _, v := range p.override.Type.ConfigResource {
+		data, err := ioutil.ReadFile(filepath.Join(p.path, v.FilePath))
+		if err != nil {
+			return pkgerrors.Wrap(err, "Reading configuration file")
+		}
+		err = ioutil.WriteFile(filepath.Join(chartPath, v.ChartPath), data, 0644)
+		if err != nil {
+			return pkgerrors.Wrap(err, "Writing configuration file into chartpath")
+		}
+	}
+
+	return nil
+}
+
+//ProcessProfileYaml parses the manifest.yaml file that is part of the profile
+//package and creates the appropriate structures out of it.
+func ProcessProfileYaml(fpath string, manifestFileName string) (ProfileYamlClient, error) {
+
+	p := filepath.Join(fpath, manifestFileName)
+	data, err := ioutil.ReadFile(p)
+	if err != nil {
+		return ProfileYamlClient{}, pkgerrors.Wrap(err, "Reading manifest file")
+	}
+
+	out := profileOverride{}
+	err = yaml.Unmarshal(data, &out)
+	if err != nil {
+		return ProfileYamlClient{}, pkgerrors.Wrap(err, "Marshaling manifest yaml file")
+	}
+
+	return ProfileYamlClient{path: fpath, override: out}, nil
+}
diff --git a/src/orchestrator/utils/types/types.go b/src/orchestrator/utils/types/types.go
new file mode 100644
index 00000000..4ffb4180
--- /dev/null
+++ b/src/orchestrator/utils/types/types.go
@@ -0,0 +1,41 @@
+/*
+ * 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 types
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// KubernetesResourceTemplate - Represents the template that is used to create a particular
+// resource in Kubernetes
+type KubernetesResourceTemplate struct {
+	// Tracks the apiVersion and Kind of the resource
+	GVK schema.GroupVersionKind
+	// Path to the file that contains the resource info
+	FilePath string
+}
+
+// KubernetesResource is the resource that is created in Kubernetes
+// It is the type that will be used for tracking a resource.
+// Any future information such as status, time can be added here
+// for tracking.
+type KubernetesResource struct {
+	// Tracks the apiVersion and Kind of the resource
+	GVK schema.GroupVersionKind
+	// Name of resource in Kubernetes
+	Name string
+}
diff --git a/src/orchestrator/utils/util-functions.go b/src/orchestrator/utils/util-functions.go
new file mode 100644
index 00000000..13c78ba4
--- /dev/null
+++ b/src/orchestrator/utils/util-functions.go
@@ -0,0 +1,116 @@
+/*
+ * 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 utils
+
+import (
+	"archive/tar"
+	"compress/gzip"
+	"io"
+	"io/ioutil"
+	"os"
+	"path"
+	"path/filepath"
+
+	pkgerrors "github.com/pkg/errors"
+)
+
+//ExtractTarBall provides functionality to extract a tar.gz file
+//into a temporary location for later use.
+//It returns the path to the new location
+func ExtractTarBall(r io.Reader) (string, error) {
+	//Check if it is a valid gz
+	gzf, err := gzip.NewReader(r)
+	if err != nil {
+		return "", pkgerrors.Wrap(err, "Invalid gzip format")
+	}
+
+	//Check if it is a valid tar file
+	//Unfortunately this can only be done by inspecting all the tar contents
+	tarR := tar.NewReader(gzf)
+	first := true
+
+	outDir, _ := ioutil.TempDir("", "k8s-ext-")
+
+	for true {
+		header, err := tarR.Next()
+
+		if err == io.EOF {
+			//Check if we have just a gzip file without a tar archive inside
+			if first {
+				return "", pkgerrors.New("Empty or non-existant Tar file found")
+			}
+			//End of archive
+			break
+		}
+
+		if err != nil {
+			return "", pkgerrors.Wrap(err, "Error reading tar file")
+		}
+
+		target := filepath.Join(outDir, header.Name)
+
+		switch header.Typeflag {
+		case tar.TypeDir:
+			if _, err := os.Stat(target); err != nil {
+				// Using 755 read, write, execute for owner
+				// groups and others get read and execute permissions
+				// on the folder.
+				if err := os.MkdirAll(target, 0755); err != nil {
+					return "", pkgerrors.Wrap(err, "Creating directory")
+				}
+			}
+		case tar.TypeReg:
+			if target == outDir { // Handle '.' substituted to '' entry
+				continue
+			}
+
+			err = EnsureDirectory(target)
+			if err != nil {
+				return "", pkgerrors.Wrap(err, "Creating Directory")
+			}
+
+			f, err := os.OpenFile(target, os.O_CREATE|os.O_RDWR, os.FileMode(header.Mode))
+			if err != nil {
+				return "", pkgerrors.Wrap(err, "Creating file")
+			}
+
+			// copy over contents
+			if _, err := io.Copy(f, tarR); err != nil {
+				return "", pkgerrors.Wrap(err, "Copying file content")
+			}
+
+			// close for each file instead of a defer for all
+			// at the end of the function
+			f.Close()
+		}
+
+		first = false
+	}
+
+	return outDir, nil
+}
+
+//EnsureDirectory makes sure that the directories specified in the path exist
+//If not, it will create them, if possible.
+func EnsureDirectory(f string) error {
+	base := path.Dir(f)
+	_, err := os.Stat(base)
+	if err != nil && !os.IsNotExist(err) {
+		return err
+	}
+	return os.MkdirAll(base, 0755)
+}