Merge pull request cockroachdb#40 from crowdflux/dev/migrations

pushing db migrations using knex

.gitignore

@@ -8,6 +8,8 @@ app/config/development.json
 
 app/api/auther/prod.go
 
+node_modules
+
 ### Windows ###
 # Windows image file caches
 Thumbs.db

README.md

@@ -37,6 +37,15 @@ $ go get -v
 $ go get -t -v
 ```
 
+- Migrate DB
+
+One time setup: `$ npm install`
+
+Migrate db to latest schema: `$ knex migrate:latest`
+
+Push new schema change: `$ knex migrate:make <name_of_migration_file>`. This will be generated in `app/DAL/migrations`.
+Refer the other migration files to learn how to write that.
+
 - Install mongodb:
 
 ```
@@ -80,4 +89,4 @@ To start the server:
 ```
 $ go install
 $ $GOPATH/bin/angel
-```
+```

app/DAL/migrations/20161023172412_add_config_column_in_step.js

@@ -0,0 +1,26 @@
+
+exports.up = function (knex, Promise) {
+	return Promise.all([
+		knex
+			.schema
+			.table('step', t => {
+				t.specificType('config', 'jsonb')
+					.defaultTo('{}')
+					.notNullable()
+				t.string('label')
+					.notNullable()
+					.defaultTo('')
+			})
+	])
+};
+
+exports.down = function (knex, Promise) {
+	return Promise.all([
+		knex
+			.schema
+			.table('step', t=> {
+				t.dropColumn('config')
+				t.dropColumn('label')
+			})
+	])
+};

app/DAL/migrations/20161023174546_add_config_and_label_in_routes.js

@@ -0,0 +1,26 @@
+
+exports.up = function (knex, Promise) {
+	return Promise.all([
+		knex
+			.schema
+			.table('routes', t => {
+				t.specificType('config', 'jsonb')
+					.defaultTo('{}')
+					.notNullable()
+				t.string('label')
+					.notNullable()
+					.defaultTo('')
+			})
+	])
+};
+
+exports.down = function (knex, Promise) {
+	return Promise.all([
+		knex
+			.schema
+			.table('routes', t=> {
+				t.dropColumn('config')
+				t.dropColumn('label')
+			})
+	])
+};

knexfile.js

@@ -0,0 +1,28 @@
+var Config = require('config-js');
+var config = new Config('./app/config/##.json');
+
+var connection = config.get('postgres')
+connection.user = connection.username
+
+var knexConfig = {
+	client: 'postgresql',
+	connection: connection,
+	migrations: {
+		directory: `${__dirname}/app/DAL/migrations`,
+		tableName: 'angel_knex_migrations'
+	},
+	seeds: {
+		directory: './app/db/seeds'
+	},
+	pool: {
+		min: 5,
+		max: 50
+	},
+	acquireConnectionTimeout: 60000
+}
+
+module.exports = {
+	development: knexConfig,
+	staging: knexConfig,
+	production: knexConfig
+}

package.json

@@ -0,0 +1,28 @@
+{
+  "name": "angel",
+  "version": "1.0.0",
+  "description": "Playment's Angel ================",
+  "main": "knexfile.js",
+  "dependencies": {
+    "babel": "^6.5.2",
+    "co": "^4.6.0",
+    "babel-register": "^6.16.3",
+    "pg": "^6.1.0",
+    "config-js": "^1.1.9",
+    "knex": "^0.12.6"
+  },
+  "devDependencies": {},
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/crowdflux/angel.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/crowdflux/angel/issues"
+  },
+  "homepage": "https://github.com/crowdflux/angel#readme"
+}