Add API to query all composite apps under a project

In this patch implemented a new route to
query all compApps under a project.

Issue-ID: MULTICLOUD-1127
Signed-off-by: Rajamohan Raj <rajamohan.raj@intel.com>
Change-Id: I5d5d4861539edd2ca0eccff16d94b75439e14db7

4 files changed, 61 insertions, 1 deletions

diff --git a/src/orchestrator/api/api.go b/src/orchestrator/api/api.go
index 9194419c..5f1665ac 100644
--- a/src/orchestrator/api/api.go
+++ b/src/orchestrator/api/api.go
@@ -69,6 +69,7 @@ func NewRouter(projectClient moduleLib.ProjectManager,
 	}
 	router.HandleFunc("/projects/{project-name}/composite-apps", compAppHandler.createHandler).Methods("POST")
 	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}", compAppHandler.getHandler).Methods("GET")
+	router.HandleFunc("/projects/{project-name}/composite-apps", compAppHandler.getAllCompositeAppsHandler).Methods("GET")
 	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}", compAppHandler.deleteHandler).Methods("DELETE")
 
 	if appClient == nil {
diff --git a/src/orchestrator/api/composite_app_handler.go b/src/orchestrator/api/composite_app_handler.go
index b54c488e..ab052f00 100644
--- a/src/orchestrator/api/composite_app_handler.go
+++ b/src/orchestrator/api/composite_app_handler.go
@@ -95,6 +95,32 @@ func (h compositeAppHandler) getHandler(w http.ResponseWriter, r *http.Request)
 	}
 }
 
+// getAllCompositeAppsHandler handles the GetAllComppositeApps, returns a list of compositeApps under a project
+func (h compositeAppHandler) getAllCompositeAppsHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	pName := vars["project-name"]
+
+	var caList []moduleLib.CompositeApp
+
+	cApps, err := h.client.GetAllCompositeApps(pName)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusNotFound)
+		return
+	}
+
+	for _, cApp := range cApps {
+		caList = append(caList, moduleLib.CompositeApp{Metadata: cApp.Metadata, Spec: cApp.Spec})
+	}
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	err = json.NewEncoder(w).Encode(caList)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusNotFound)
+		return
+	}
+	return
+}
+
 // deleteHandler handles DELETE operations on a particular CompositeApp Name
 func (h compositeAppHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
diff --git a/src/orchestrator/pkg/module/compositeapp.go b/src/orchestrator/pkg/module/compositeapp.go
index 70502367..5bf7ddec 100644
--- a/src/orchestrator/pkg/module/compositeapp.go
+++ b/src/orchestrator/pkg/module/compositeapp.go
@@ -64,6 +64,7 @@ func (cK CompositeAppKey) String() string {
 type CompositeAppManager interface {
 	CreateCompositeApp(c CompositeApp, p string) (CompositeApp, error)
 	GetCompositeApp(name string, version string, p string) (CompositeApp, error)
+	GetAllCompositeApps(p string) ([]CompositeApp, error)
 	DeleteCompositeApp(name string, version string, p string) error
 }
 
@@ -140,6 +141,38 @@ func (v *CompositeAppClient) GetCompositeApp(name string, version string, p stri
 	return CompositeApp{}, pkgerrors.New("Error getting composite application")
 }
 
+// GetAllCompositeApps returns all the compositeApp for a given project
+func (v *CompositeAppClient) GetAllCompositeApps(p string) ([]CompositeApp, error) {
+
+	_, err := NewProjectClient().GetProject(p)
+	if err != nil {
+		return []CompositeApp{}, pkgerrors.New("Unable to find the project")
+	}
+
+	key := CompositeAppKey{
+		CompositeAppName: "",
+		Version:          "",
+		Project:          p,
+	}
+
+	var caList []CompositeApp
+	values, err := db.DBconn.Find(v.storeName, key, v.tagMeta)
+	if err != nil {
+		return []CompositeApp{}, pkgerrors.Wrap(err, "Getting CompositeApps")
+	}
+
+	for _, value := range values {
+		ca := CompositeApp{}
+		err = db.DBconn.Unmarshal(value, &ca)
+		if err != nil {
+			return []CompositeApp{}, pkgerrors.Wrap(err, "Unmarshaling CompositeApp")
+		}
+		caList = append(caList, ca)
+	}
+
+	return caList, nil
+}
+
 // DeleteCompositeApp deletes the  CompositeApp from database
 func (v *CompositeAppClient) DeleteCompositeApp(name string, version string, p string) error {
 
diff --git a/src/orchestrator/pkg/module/instantiation_appcontext_helper.go b/src/orchestrator/pkg/module/instantiation_appcontext_helper.go
index 1cb3f23d..a8c6eda7 100644
--- a/src/orchestrator/pkg/module/instantiation_appcontext_helper.go
+++ b/src/orchestrator/pkg/module/instantiation_appcontext_helper.go
@@ -89,7 +89,7 @@ func getResources(st []helm.KubernetesResourceTemplate) ([]resource, error) {
 		// This might happen when the rendered file just has some comments inside, no real k8s object.
 		if n == SEPARATOR {
 			log.Info(":: Ignoring, Unable to render the template ::", log.Fields{"YAML PATH": t.FilePath})
-			continue;
+			continue
 		}
 
 		resources = append(resources, resource{name: n, filecontent: string(yamlFile)})