Allow tagging of function

Fixes serverless-components#22

Author: ration

serverless.js

@@ -28,7 +28,8 @@ const outputsList = [
   'role',
   'layer',
   'arn',
-  'region'
+  'region',
+  'tags'
 ]
 
 const defaults = {
@@ -41,7 +42,8 @@ const defaults = {
   handler: 'handler.hello',
   runtime: 'nodejs10.x',
   env: {},
-  region: 'us-east-1'
+  region: 'us-east-1',
+  tags: {}
 }
 
 class AwsLambda extends Component {

utils.js

@@ -76,7 +76,8 @@ const createLambda = async ({
   zipPath,
   bucket,
   role,
-  layer
+  layer,
+  tags
 }) => {
   const params = {
     FunctionName: name,
@@ -88,6 +89,7 @@ const createLambda = async ({
     Role: role.arn,
     Runtime: runtime,
     Timeout: timeout,
+    Tags: tags, 
     Environment: {
       Variables: env
     }
@@ -119,7 +121,8 @@ const updateLambdaConfig = async ({
   env,
   description,
   role,
-  layer
+  layer,
+  tags
 }) => {
   const functionConfigParams = {
     FunctionName: name,
@@ -180,7 +183,8 @@ const getLambda = async ({ lambda, name }) => {
       memory: res.MemorySize,
       hash: res.CodeSha256,
       env: res.Environment ? res.Environment.Variables : {},
-      arn: res.FunctionArn
+      arn: res.FunctionArn,
+      tags: res.Tags
     }
   } catch (e) {
     if (e.code === 'ResourceNotFoundException') {