Add instruction and rsync call to instantiate

This patch adds app and resource 'order' and 'dependency'
instructions to the appcontext, as these are currently
expected by rsync.

Adds the rsync client and call to rsync to instantiate the
appcontext.

Issue-ID: MULTICLOUD-1064
Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
Change-Id: Iae0da9de4a0ae82bd3ab7ccc72da4abf8b7f2295

1 files changed, 66 insertions, 0 deletions

diff --git a/src/orchestrator/pkg/grpc/installappclient/client.go b/src/orchestrator/pkg/grpc/installappclient/client.go
new file mode 100644
index 00000000..4c652a84
--- /dev/null
+++ b/src/orchestrator/pkg/grpc/installappclient/client.go
@@ -0,0 +1,66 @@
+/*
+Copyright 2020 Intel Corporation.
+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 installappclient
+
+import (
+	"context"
+	"time"
+
+	log "github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/logutils"
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/rpc"
+	installpb "github.com/onap/multicloud-k8s/src/rsync/pkg/grpc/installapp"
+	pkgerrors "github.com/pkg/errors"
+)
+
+// InvokeInstallApp will make the grpc call to the resource synchronizer
+// or rsync controller.
+// rsync will deply the resources in the app context to the clusters as
+// prepared in the app context.
+func InvokeInstallApp(appContextId string) error {
+	var err error
+	var rpcClient installpb.InstallappClient
+	var installRes *installpb.InstallAppResponse
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	conn := rpc.GetRpcConn("rsync")
+
+	if conn != nil {
+		rpcClient = installpb.NewInstallappClient(conn)
+		installReq := new(installpb.InstallAppRequest)
+		installReq.AppContext = appContextId
+		installRes, err = rpcClient.InstallApp(ctx, installReq)
+		if err == nil {
+			log.Info("Response from InstappApp GRPC call", log.Fields{
+				"Succeeded": installRes.AppContextInstalled,
+				"Message":   installRes.AppContextInstallMessage,
+			})
+		}
+	} else {
+		return pkgerrors.Errorf("InstallApp Failed - Could not get InstallAppClient: %v", "rsync")
+	}
+
+	if err == nil {
+		if installRes.AppContextInstalled {
+			log.Info("InstallApp Success", log.Fields{
+				"AppContext": appContextId,
+				"Message":    installRes.AppContextInstallMessage,
+			})
+			return nil
+		} else {
+			return pkgerrors.Errorf("InstallApp Failed: %v", installRes.AppContextInstallMessage)
+		}
+	}
+	return err
+}