Merge pull request #93 from EverythingMe/feature_env

Feature: better Heroku support - move configuration to environment variables & Procfile

.env.example

@@ -0,0 +1,9 @@
+REDASH_CONNECTION_ADAPTER=pg
+REDASH_CONNECTION_STRING="dbname=data"
+REDASH_STATIC_ASSETS_PATH=../rd_ui/app/
+REDASH_GOOGLE_APPS_DOMAIN=
+REDASH_ADMINS=
+REDASH_WORKERS_COUNT=2
+REDASH_COOKIE_SECRET=
+REDASH_DATABASE_URL='postgresql://rd'
+REDASH_LOG_LEVEL = "INFO"

.gitignore

@@ -2,7 +2,6 @@
 .idea
 *.pyc
 .coverage
-redash/settings.py
 rd_ui/dist
 .DS_Store
 
@@ -10,3 +9,4 @@ rd_ui/dist
 .vagrant
 Berksfile.lock
 redash/dump.rdb
+.env

Honchofile

@@ -0,0 +1,2 @@
+web: ./manage.py runserver -p $PORT
+worker: ./manage.py runworkers

Procfile

@@ -0,0 +1 @@
+web: honcho start -f Honchofile -p $PORT

circle.yml

@@ -10,7 +10,6 @@ dependencies:
     - make deps
     - pip install requests coverage nose
     - pip install -r requirements.txt
-    - cp redash/settings_example.py redash/settings.py
   cache_directories:
     - rd_ui/node_modules/
     - rd_ui/app/bower_components/

redash/__init__.py

@@ -7,7 +7,7 @@ from flask_peewee.db import Database
 import redis
 from redash import settings, utils
 
-__version__ = '0.3.1'
+__version__ = '0.3.2'
 
 app = Flask(__name__,
             template_folder=settings.STATIC_ASSETS_PATH,

redash/settings.py

@@ -0,0 +1,49 @@
+import os
+import urlparse
+
+
+def parse_db_url(url):
+    url_parts = urlparse.urlparse(url)
+    connection = {
+        'engine': 'peewee.PostgresqlDatabase',
+    }
+
+    if url_parts.hostname and not url_parts.path:
+        connection['name'] = url_parts.hostname
+    else:
+        connection['name'] = url_parts.path[1:]
+        connection['host'] = url_parts.hostname
+        connection['port'] = url_parts.port
+        connection['user'] = url_parts.username
+        connection['password'] = url_parts.password
+
+    return connection
+
+
+def fix_assets_path(path):
+    fullpath = os.path.join(os.path.dirname(__file__), path)
+    return fullpath
+
+REDIS_URL = os.environ.get('REDASH_REDIS_URL', "redis://localhost:6379")
+
+# "pg", "graphite" or "mysql"
+CONNECTION_ADAPTER = os.environ.get("REDASH_CONNECTION_ADAPTER", "pg")
+# Connection string for the database that is used to run queries against. Examples:
+# -- mysql:    CONNECTION_STRING = "Server=;User=;Pwd=;Database="
+# -- pg:       CONNECTION_STRING = "user= password= host= port=5439 dbname="
+# -- graphite: CONNECTION_STRING = {'url': 'https://graphite.yourcompany.com', 'auth': ('user', 'password'), 'verify': True}
+CONNECTION_STRING = os.environ.get("REDASH_CONNECTION_STRING", "user= password= host= port=5439 dbname=")
+
+# Connection settings for re:dash's own database (where we store the queries, results, etc)
+DATABASE_CONFIG = parse_db_url(os.environ.get("REDASH_DATABASE_URL", "postgresql://postgres"))
+
+# Google Apps domain to allow access from; any user with email in this Google Apps will be allowed
+# access
+GOOGLE_APPS_DOMAIN = os.environ.get("REDASH_GOOGLE_APPS_DOMAIN", "")
+# Email addresses of admin users (comma separated)
+ADMINS = os.environ.get("REDASH_ADMINS", '').split(',')
+STATIC_ASSETS_PATH = fix_assets_path(os.environ.get("REDASH_STATIC_ASSETS_PATH", "../rd_ui/dist/"))
+WORKERS_COUNT = int(os.environ.get("REDASH_WORKERS_COUNT", "2"))
+COOKIE_SECRET = os.environ.get("REDASH_COOKIE_SECRET", "c292a0a3aa32397cdb050e233733900f")
+LOG_LEVEL = os.environ.get("REDASH_LOG_LEVEL", "INFO")
+ANALYTICS = os.environ.get("REDASH_ANALYTICS", "")

redash/settings_example.py

@@ -1,30 +0,0 @@
-"""
-Example settings module. You should make your own copy as settings.py and enter the real settings.
-"""
-REDIS_URL = "redis://localhost:6379"
-
-# "pg", "graphite" or "mysql"
-CONNECTION_ADAPTER = "pg"
-# Connection string for the database that is used to run queries against. Examples:
-# -- mysql:    CONNECTION_STRING = "Server=;User=;Pwd=;Database="
-# -- pg:       CONNECTION_STRING = "user= password= host= port=5439 dbname="
-# -- graphite: CONNECTION_STRING = {'url': 'https://graphite.yourcompany.com', 'auth': ('user', 'password'), 'verify': True}
-CONNECTION_STRING = "user= password= host= port=5439 dbname="
-# Connection settings for re:dash's own database (where we store the queries, results, etc)
-DATABASE_CONFIG = {
-    'name': 'postgres',
-    'engine': 'peewee.PostgresqlDatabase',
-}
-# Google Apps domain to allow access from; any user with email in this Google Apps will be allowed
-# access
-GOOGLE_APPS_DOMAIN = ""
-# Email addresses of specific users not from the above set Google Apps Domain, that you want to
-# allow access to re:dash
-ALLOWED_USERS = []
-# Email addresses of admin users
-ADMINS = []
-STATIC_ASSETS_PATH = "../rd_ui/dist/"
-WORKERS_COUNT = 2
-COOKIE_SECRET = "c292a0a3aa32397cdb050e233733900f"
-LOG_LEVEL = "INFO"
-ANALYTICS = ""

requirements.txt

@@ -23,3 +23,4 @@ sqlparse==0.1.8
 wsgiref==0.1.2
 wtf-peewee==0.2.2
 Flask-Script==0.6.6
+honcho==0.5.0

tests/test_settings.py

@@ -0,0 +1,27 @@
+from redash import settings as settings
+from unittest import TestCase
+
+
+class TestDatabaseUrlParser(TestCase):
+    def test_only_database_name(self):
+        config = settings.parse_db_url("postgresql://postgres")
+        self.assertEquals(config['name'], 'postgres')
+
+    def test_host_and_database_name(self):
+        config = settings.parse_db_url("postgresql://localhost/postgres")
+        self.assertEquals(config['name'], 'postgres')
+        self.assertEquals(config['host'], 'localhost')
+
+    def test_host_with_port_and_database_name(self):
+        config = settings.parse_db_url("postgresql://localhost:5432/postgres")
+        self.assertEquals(config['name'], 'postgres')
+        self.assertEquals(config['host'], 'localhost')
+        self.assertEquals(config['port'], 5432)
+
+    def test_full_url(self):
+        config = settings.parse_db_url("postgresql://user:pass@localhost:5432/postgres")
+        self.assertEquals(config['name'], 'postgres')
+        self.assertEquals(config['host'], 'localhost')
+        self.assertEquals(config['port'], 5432)
+        self.assertEquals(config['user'], 'user')
+        self.assertEquals(config['password'], 'pass')