close #88 by adding interface to logs

README.md

@@ -385,7 +385,7 @@ The `REQUEST` object contains a parsed and normalized request from API Gateway.
 - `app`: A reference to an instance of the app
 - `version`: The version set at initialization
 - `id`: The awsRequestId from the Lambda `context`
-- `interface`: The interface being used to access Lambda (either `apigateway` or `alb`)
+- `interface`: The interface being used to access Lambda (`apigateway`,`alb`, or `edge`)
 - `params`: Dynamic path parameters parsed from the path (see [path parameters](#path-parameters))
 - `method`: The HTTP method of the request
 - `path`: The path passed in by the request including the `base` and any `prefix` assigned to routes
@@ -850,6 +850,7 @@ Logs are generated using Lambda API's standard JSON format. The log format can b
     "remaining": 2000, // remaining milliseconds until function timeout
     "function": "my-function-v1", // function name
     "memory": 2048, // allocated function memory
+    "int": "apigateway", // interface used to access the Lambda function
     "sample": true // is generated during sampling request?
   }
 ```

lib/logger.js

@@ -107,6 +107,7 @@ exports.config = (config,levels) => {
         method: req.method,
         [messageKey]: msg,
         timer: timer(req._start),
+        int: req.interface,
         sample: req._sample ? true : undefined
       },
       serializers.main(req),

test/log.js

@@ -241,6 +241,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     // access log
     expect(_log[4]).to.have.property('coldStart')
     expect(_log[4]).to.have.property('statusCode')
@@ -278,6 +279,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     // access log
     expect(_log[4]).to.have.property('coldStart')
     expect(_log[4]).to.have.property('statusCode')
@@ -331,6 +333,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     // access log
     expect(_log[5]).to.have.property('coldStart')
     expect(_log[5]).to.have.property('statusCode')
@@ -384,6 +387,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     // access log
     expect(_log[1]).to.have.property('coldStart')
     expect(_log[1]).to.have.property('statusCode')
@@ -422,6 +426,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     // access log
     expect(_log[1]).to.have.property('coldStart')
     expect(_log[1]).to.have.property('statusCode')
@@ -458,6 +463,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     // access log
     expect(_log[1]).to.have.property('coldStart')
     expect(_log[1]).to.have.property('statusCode')
@@ -495,6 +501,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     // access log
     expect(_log[1]).to.have.property('coldStart')
     expect(_log[1]).to.have.property('statusCode')
@@ -533,6 +540,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     // access log
     expect(_log[1]).to.have.property('coldStart')
     expect(_log[1]).to.have.property('statusCode')
@@ -577,6 +585,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     expect(_log[0]).to.have.property('coldStart')
     expect(_log[0]).to.have.property('path')
     expect(_log[0]).to.have.property('ip')
@@ -593,6 +602,7 @@ describe('Logging Tests:', function() {
     expect(_log[1]).to.have.property('remaining')
     expect(_log[1]).to.have.property('function')
     expect(_log[1]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     expect(_log[1]).to.have.property('coldStart')
     expect(_log[1]).to.have.property('path')
     expect(_log[1]).to.have.property('ip')
@@ -627,6 +637,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     // these should NOT exist
     expect(_log[0]).to.not.have.property('coldStart')
     expect(_log[0]).to.not.have.property('statusCode')
@@ -664,6 +675,7 @@ describe('Logging Tests:', function() {
     expect(_log[0].context).to.have.property('remaining')
     expect(_log[0].context).to.have.property('function')
     expect(_log[0].context).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     expect(_log[0]).to.have.property('custom')
     expect(_log[0].custom).to.have.property('customMsg')
     // access log
@@ -702,6 +714,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     expect(_log[0]).to.have.property('path')
     expect(_log[0]).to.have.property('ip')
     expect(_log[0]).to.have.property('ua')
@@ -752,6 +765,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('timer')
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
+    expect(_log[0]).to.have.property('int')
     // access log
     expect(_log[3]).to.have.property('time')
     expect(_log[3]).to.have.property('id')
@@ -793,6 +807,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('msg')
     expect(_log[0]).to.have.property('timer')
     expect(_log[0]).to.have.property('remaining')
+    expect(_log[0]).to.have.property('int')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('TEST_CUSTOM')
     expect(_log[0]).to.have.property('TEST_CONTEXT')
@@ -839,6 +854,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('msg')
     expect(_log[0]).to.have.property('timer')
     expect(_log[0]).to.have.property('remaining')
+    expect(_log[0]).to.have.property('int')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('custom')
     // access log
@@ -932,6 +948,7 @@ describe('Logging Tests:', function() {
     expect(_log[0]).to.have.property('remaining')
     expect(_log[0]).to.have.property('function')
     expect(_log[0]).to.have.property('memory')
+    expect(_log[0]).to.have.property('int')
     expect(_log[0]).to.have.property('stack')
 
     expect(_log[1]).to.have.property('time')