Add logger to the server

	- add logger with interceptor for requests

Change-Id: Iecb6b6e51c28aadcc4eec3bb69dc38f4e0e346c5
Issue-ID: CCSDK-1295
Signed-off-by: Rami <rmohamed.ext@orange.com>

6 files changed, 37 insertions, 5 deletions

diff --git a/cds-ui/server/src/controllers/ping.controller.ts b/cds-ui/server/src/controllers/ping.controller.ts
index d3098bc69..660863a1c 100644
--- a/cds-ui/server/src/controllers/ping.controller.ts
+++ b/cds-ui/server/src/controllers/ping.controller.ts
@@ -19,8 +19,9 @@ limitations under the License.
 ============LICENSE_END============================================
 */
 
-import { Request, RestBindings, get, ResponseObject } from '@loopback/rest';
 import { inject } from '@loopback/context';
+import { get, Request, ResponseObject, RestBindings } from '@loopback/rest';
+import { logger } from '../logger/logger';
 
 /**
  * OpenAPI response for ping()
@@ -61,6 +62,7 @@ export class PingController {
     },
   })
   ping(): object {
+    logger.warn('Calling ping from %s', this.req.url)
     // Reply with a greeting, the current time, the url, and request headers
     return {
       greeting: 'Hello from LoopBack',
diff --git a/cds-ui/server/src/datasources/blueprint.datasource-template.ts b/cds-ui/server/src/datasources/blueprint.datasource-template.ts
index 3cbf09576..f5dad3a1e 100644
--- a/cds-ui/server/src/datasources/blueprint.datasource-template.ts
+++ b/cds-ui/server/src/datasources/blueprint.datasource-template.ts
@@ -5,6 +5,7 @@ export default {
     "connector": "rest",
     "baseURL": controllerApiConfig.url,
     "crud": false,
+    "debug": true,
     "operations": [{
         "template": {
             "method": "GET",
diff --git a/cds-ui/server/src/datasources/resource-dictionary.datasource-template.ts b/cds-ui/server/src/datasources/resource-dictionary.datasource-template.ts
index b987e588c..1c459e0e7 100644
--- a/cds-ui/server/src/datasources/resource-dictionary.datasource-template.ts
+++ b/cds-ui/server/src/datasources/resource-dictionary.datasource-template.ts
@@ -5,6 +5,7 @@ export default {
     "connector": "rest",
     "baseURL": controllerApiConfig.url + "/dictionary",
     "crud": false,
+    "debug": true,
     "operations": [{
             "template": {
                 "method": "GET",
diff --git a/cds-ui/server/src/index.ts b/cds-ui/server/src/index.ts
index 04852494f..3afc0a7f4 100644
--- a/cds-ui/server/src/index.ts
+++ b/cds-ui/server/src/index.ts
@@ -19,9 +19,9 @@ limitations under the License.
 ============LICENSE_END============================================
 */
 
-import { CdsUiServerApplication } from './application';
 import { ApplicationConfig } from '@loopback/core';
-
+import { CdsUiServerApplication } from './application';
+import { logger } from './logger/logger';
 export { CdsUiServerApplication };
 
 export async function main(options: ApplicationConfig = {}) {
@@ -30,8 +30,8 @@ export async function main(options: ApplicationConfig = {}) {
   await app.start();
 
   const url = app.restServer.url;
-  console.log(`Server is running at ${url}`);
-  console.log(`Try ${url}/ping`);
+  logger.info(`Server is running at ${url}`);
+  logger.info(`Try ${url}/ping`);
 
   return app;
 }
diff --git a/cds-ui/server/src/logger/logger.ts b/cds-ui/server/src/logger/logger.ts
new file mode 100644
index 000000000..6acbd396f
--- /dev/null
+++ b/cds-ui/server/src/logger/logger.ts
@@ -0,0 +1,25 @@
+import { createLogger, format, transports } from 'winston';
+
+const { combine, timestamp, printf, splat, errors, colorize } = format;
+const logFormat = printf(({ level, message, timestamp }) => {
+    return `${timestamp} ${level} ${message}`
+});
+const logger = createLogger({
+    level: 'info',
+    format: combine(
+        splat(),
+        timestamp(),
+        colorize(),
+        errors({ stack: true }),
+        logFormat
+    ),
+    transports: [
+        new transports.Console()
+    ]
+});
+
+if (process.env.NODE_ENV === 'production') {
+    logger.add(new transports.File({ filename: '/var/log/ONAP/CDS-UI/server/server.log'}))
+}
+
+export { logger };
\ No newline at end of file
diff --git a/cds-ui/server/src/sequence.ts b/cds-ui/server/src/sequence.ts
index b27093147..b282cbc62 100644
--- a/cds-ui/server/src/sequence.ts
+++ b/cds-ui/server/src/sequence.ts
@@ -30,6 +30,7 @@ import {
   Send,
   SequenceHandler,
 } from '@loopback/rest';
+import { logger } from './logger/logger';
 
 const SequenceActions = RestBindings.SequenceActions;
 
@@ -45,6 +46,8 @@ export class MySequence implements SequenceHandler {
   async handle(context: RequestContext) {
     try {
       const { request, response } = context;
+      logger.info("Incoming request from %s %s and with header %s query %s params %s",
+        request.method, request.url, JSON.stringify(request.headers), JSON.stringify(request.query), JSON.stringify(request.params))
       const route = this.findRoute(request);
       const args = await this.parseParams(request, route);
       const result = await this.invoke(route, args);