Merge pull request #37 from topcoder-platform/dynamodb

Replace mongodb with dynamodb

Author: callmekatootie

README.md

@@ -3,7 +3,7 @@
 ## Dependencies
 
 - Nodejs (v10)
-- Mongodb (v4)
+- AWS DynamoDB
 
 ## Configuration
 
@@ -12,16 +12,26 @@ The following parameters can be set in config files or in env variables:
 
 - LOG_LEVEL: the log level
 - PORT: the server port
-- MONGODB_URL: Mongo DB URL
 - CHALLENGE_API_URL: the Topcoder challenge API URL
 - MEMBER_API_URL: the Topcoder member API URL
-- GROUP_IDS: the valid group ids
 - AUTH0_URL: Auth0 URL, used to get TC M2M token
 - AUTH0_AUDIENCE: Auth0 audience, used to get TC M2M token
 - TOKEN_CACHE_TIME: Auth0 token cache time, used to get TC M2M token
 - AUTH0_CLIENT_ID: Auth0 client id, used to get TC M2M token
 - AUTH0_CLIENT_SECRET: Auth0 client secret, used to get TC M2M token
 - AUTH0_PROXY_SERVER_URL: Proxy Auth0 URL, used to get TC M2M token
+- AMAZON.AWS_ACCESS_KEY_ID: The Amazon certificate key to use when connecting. For local dynamodb you can set fake value.
+- AMAZON.AWS_SECRET_ACCESS_KEY: The Amazon certificate access key to use when connecting. For local dynamodb you can set fake value.
+- AMAZON.AWS_REGION: The Amazon region to use when connecting. For local dynamodb you can set fake value.
+- AMAZON.DYNAMODB_READ_CAPACITY_UNITS: the AWS DynamoDB read capacity units
+- AMAZON.DYNAMODB_WRITE_CAPACITY_UNITS: the AWS DynamoDB write capacity units
+- AMAZON.IS_LOCAL_DB: Use local or AWS Amazon DynamoDB
+- AMAZON.DYNAMODB_URL: The local url, if using local Amazon DynamoDB
+- HEALTH_CHECK_TIMEOUT: health check timeout in milliseconds
+
+## Local DynamoDB
+Change to the ./docker-dynamodb directory and run `docker-compose up`.
+An instance of DynamoDB listening on port `8000` will be initialized inside docker.
 
 ## Local deployment
 
@@ -39,6 +49,12 @@ npm run lint
 npm run lint:fix # To fix possible lint errors
 ```
 
+- Make sure DynamoDB instance is up and create tables
+
+```bash
+npm run create-tables
+```
+
 - Clear and Insert data into database
 
 ```bash
@@ -57,16 +73,8 @@ npm start
 
 For verification purpose, we need a mock app for Topcoder Challenge API and Topcoder Member API. You can run command `npm run mock-api` to start the mock app.
 
-## Heroku Deployment
-
-- git init
-- git add .
-- git commit -m init
-- heroku create
-- heroku config:set MONGODB_URL=...
-- git push heroku master
-
 ## Verification
+First of all, ensure you have started local DynamoDB and created tables.
 
 ### Tests
 
@@ -90,7 +98,7 @@ npm run e2e
 npm run mock-api
 ```
 
-- Ensure you have start MongoDB and properly configure `MONGODB_URL`. Run the following commands to clear and insert test data, step up environment variables and start the app.
+- Run the following commands clear and insert test data, step up environment variables and start the app.
 
 ```bash
 npm run init-db

config/default.js

@@ -9,18 +9,27 @@ module.exports = {
   VALID_ISSUERS: process.env.VALID_ISSUERS ? process.env.VALID_ISSUERS.replace(/\\"/g, '')
     : '["https://topcoder-dev.auth0.com/", "https://api.topcoder.com"]',
 
-  MONGODB_URL: process.env.MONGODB_URL || 'mongodb://localhost:27017/leaderboardDB',
   CHALLENGE_API_URL: process.env.CHALLENGE_API_URL || 'https://api.topcoder-dev.com/v5/challenges',
   MEMBER_API_URL: process.env.MEMBER_API_URL || 'https://api.topcoder-dev.com/v5/members',
 
-  GROUP_IDS: process.env.GROUP_IDS || '202343,20000000', // Comma separated string of Group IDs,
-
   SCORE_RESET_TIME: process.env.SCORE_RESET_TIME || 10000, // 10 seconds default
 
   AUTH0_URL: process.env.AUTH0_URL || 'https://topcoder-dev.auth0.com/oauth/token',
   AUTH0_AUDIENCE: process.env.AUTH0_AUDIENCE || 'https://m2m.topcoder-dev.com/',
   TOKEN_CACHE_TIME: process.env.TOKEN_CACHE_TIME || 90,
-  AUTH0_CLIENT_ID: process.env.AUTH0_CLIENT_ID || '8QovDh27SrDu1XSs68m21A1NBP8isvOt',
-  AUTH0_CLIENT_SECRET: process.env.AUTH0_CLIENT_SECRET || '3QVxxu20QnagdH-McWhVz0WfsQzA1F8taDdGDI4XphgpEYZPcMTF4lX3aeOIeCzh',
-  AUTH0_PROXY_SERVER_URL: process.env.AUTH0_PROXY_SERVER_URL
+  AUTH0_CLIENT_ID: process.env.AUTH0_CLIENT_ID,
+  AUTH0_CLIENT_SECRET: process.env.AUTH0_CLIENT_SECRET,
+  AUTH0_PROXY_SERVER_URL: process.env.AUTH0_PROXY_SERVER_URL,
+
+  AMAZON: {
+    AWS_ACCESS_KEY_ID: process.env.AWS_ACCESS_KEY_ID,
+    AWS_SECRET_ACCESS_KEY: process.env.AWS_SECRET_ACCESS_KEY,
+    AWS_REGION: process.env.AWS_REGION || 'us-east-1',
+    DYNAMODB_READ_CAPACITY_UNITS: process.env.DYNAMODB_READ_CAPACITY_UNITS || 10,
+    DYNAMODB_WRITE_CAPACITY_UNITS: process.env.DYNAMODB_WRITE_CAPACITY_UNITS || 5,
+    IS_LOCAL_DB: process.env.IS_LOCAL_DB ? process.env.IS_LOCAL_DB === 'true' : false,
+    // Below configuration is required if IS_LOCAL_DB is true
+    DYNAMODB_URL: process.env.DYNAMODB_URL || 'http://localhost:8000'
+  },
+  HEALTH_CHECK_TIMEOUT: process.env.HEALTH_CHECK_TIMEOUT || 3000
 }

config/test.js

@@ -3,8 +3,7 @@
  */
 
 module.exports = {
-  CHALLENGE_API_URL: 'https://api.topcoder-dev.com/v4/challenges',
-  MEMBER_API_URL: 'https://api.topcoder-dev.com/v3/users',
-  MOCK_API_PORT: 3001,
-  MONGODB_URL: process.env.TEST_MONGODB_URL || 'mongodb://localhost:27017/leaderboardDB_test'
+  CHALLENGE_API_URL: 'https://api.topcoder-dev.com/v5/challenges',
+  MEMBER_API_URL: 'https://api.topcoder-dev.com/v5/members',
+  MOCK_API_PORT: 3001
 }

docker-dynamodb/docker-compose.yaml

@@ -0,0 +1,6 @@
+version: '3'
+services:
+  dynamodb:
+    image: amazon/dynamodb-local
+    ports:
+      - "8000:8000"