Settings Changes

.ebextensions/10_packages.config

@@ -0,0 +1,5 @@
+packages:
+  yum:
+    git: []
+    postgresql94-devel: []
+    libjpeg-turbo-devel: []

.ebextensions/20_elasticcache.config

@@ -0,0 +1,46 @@
+#This sample requires you to create a separate configuration file that defines the custom
+# option settings for CacheCluster properties.
+
+Resources:
+  MyCacheSecurityGroup:
+    Type: "AWS::EC2::SecurityGroup"
+    Properties:
+      GroupDescription: "Lock cache down to webserver access only"
+      SecurityGroupIngress :
+        - IpProtocol : "tcp"
+          FromPort :
+            Fn::GetOptionSetting:
+              OptionName : "CachePort"
+              DefaultValue: "6379"
+          ToPort :
+            Fn::GetOptionSetting:
+              OptionName : "CachePort"
+              DefaultValue: "6379"
+          SourceSecurityGroupName:
+            Ref: "AWSEBSecurityGroup"
+  MyElastiCache:
+    Type: "AWS::ElastiCache::CacheCluster"
+    Properties:
+      CacheNodeType:
+        Fn::GetOptionSetting:
+          OptionName : "CacheNodeType"
+          DefaultValue : "cache.t1.micro"
+      NumCacheNodes:
+        Fn::GetOptionSetting:
+          OptionName : "NumCacheNodes"
+          DefaultValue : "1"
+      Engine:
+        Fn::GetOptionSetting:
+          OptionName : "Engine"
+          DefaultValue : "redis"
+      VpcSecurityGroupIds:
+        -
+          Fn::GetAtt:
+            - MyCacheSecurityGroup
+            - GroupId
+
+Outputs:
+  ElastiCache:
+    Description : "ID of ElastiCache Cache Cluster with Redis Engine"
+    Value :
+      Ref : "MyElastiCache"

.ebextensions/30_options.config

@@ -0,0 +1,6 @@
+option_settings:
+  "aws:elasticbeanstalk:customoption":
+    CacheNodeType : cache.t1.micro
+    NumCacheNodes : 1
+    Engine : redis
+    CachePort : 6379

.ebextensions/40_python.config

@@ -0,0 +1,17 @@
+container_commands:
+  01_migrate:
+    command: "source /opt/python/run/venv/bin/activate && python manage.py migrate"
+    leader_only: True
+  02_collectstatic:
+    command: "source /opt/python/run/venv/bin/activate && python manage.py collectstatic --noinput"
+option_settings:
+  "aws:elasticbeanstalk:application:environment":
+    DJANGO_SETTINGS_MODULE: "config.settings.production"
+    REDIS_ENDPOINT_ADDRESS: '`{ "Fn::GetAtt" : [ "MyElastiCache", "RedisEndpoint.Address"]}`'
+    REDIS_PORT: '`{ "Fn::GetAtt" : [ "MyElastiCache", "RedisEndpoint.Port"]}`'
+  "aws:elasticbeanstalk:container:python":
+    WSGIPath: "../config/wsgi.py"
+    NumProcesses: 3
+    NumThreads: 20
+  "aws:elasticbeanstalk:container:python:staticfiles":
+    "/static/": "www/static/"

.gitignore

@@ -66,3 +66,8 @@ sensor_portal/media/
 
 staticfiles/
 
+
+# Elastic Beanstalk Files
+.elasticbeanstalk/*
+!.elasticbeanstalk/*.cfg.yml
+!.elasticbeanstalk/*.global.yml

compose/nginx/dhparams.pem

@@ -0,0 +1,8 @@
+-----BEGIN DH PARAMETERS-----
+MIIBCAKCAQEAyxepj6FexDqBTjoa41Jt+1RzBMOqpsCSu0RT8k5taJ5OU2gwqRoo
+v9euM+T1zWqCoFkehucnGtJ7tc+GaFHHDkBnI9xbJ8+f+OE9CNVa2UaCa4DfOadD
+wXWNB1jqlQJcKr+txqyDjRvzmwL4J6nQQ//KcuLQLxFWxkTBOpxrWVU0p0OwkRin
+vP7zr5pxhDW22BF95o634Ol7X9IppukKeaYwXfAwd6ysxhLWQKFIQPadf0Ga2UfZ
+K1UVGac9yUPUZzZeswd3eIIVlp4wFibnUwf/dUqZXtl5heZk/6jXNjW9Y4b5XKis
+tuNP0vEit/nqNOFhlIHuWL/teH71pXLJWwIBAg==
+-----END DH PARAMETERS-----

config/settings/production.py

@@ -151,15 +151,26 @@
 
 # DATABASE CONFIGURATION
 # ------------------------------------------------------------------------------
+# Uses Amazon RDS for database hosting, which doesn't follow the Heroku-style spec
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.postgresql_psycopg2',
+        'NAME': env('RDS_DB_NAME'),
+        'USER': env('RDS_USERNAME'),
+        'PASSWORD': env('RDS_PASSWORD'),
+        'HOST': env('RDS_HOSTNAME'),
+        'PORT': env('RDS_PORT'),
+    }
+}
 
-# Use the Heroku-style specification
-# Raises ImproperlyConfigured exception if DATABASE_URL not in os.environ
-DATABASES['default'] = env.db('DATABASE_URL')
 
 # CACHING
 # ------------------------------------------------------------------------------
+REDIS_LOCATION = "redis://{}:{}/0".format(
+    env('REDIS_ENDPOINT_ADDRESS'),
+    env('REDIS_PORT')
+)
 
-REDIS_LOCATION = '{0}/{1}'.format(env('REDIS_URL', default='redis://127.0.0.1:6379'), 0)
 # Heroku URL does not pass the DB number, so we parse it in
 CACHES = {
     'default': {

ebsetenv.py

@@ -0,0 +1,37 @@
+"""Converts a .env file to Elastic Beanstalk environment variables"""
+
+import os
+from sys import exit
+from subprocess import check_call
+
+try:
+    import dotenv
+except ImportError:
+    print("Please install the 'dotenv' library: 'pip install dotenv'")
+    exit()
+
+def main():
+    if not os.path.exists('.env'):
+        print('ERROR!! .env file is missing!')
+        print("Please copy 'env.example' to '.env' and add appropriate values")
+        exit()
+    command = ['eb', 'setenv']
+    failures = []
+    for key, value in dotenv.Dotenv('.env').items():
+        if key.startswith('POSTGRES'):
+            print('Skipping POSTGRES values - Amazon RDS provides these')
+            continue
+        if value:
+            command.append("{}={}".format(key, value))
+        else:
+            failures.append(key)
+    if failures:
+        for failure in failures:
+            print("{} requires a value".format(failure))
+    else:
+        print(' '.join(command))
+        check_call(command)
+
+
+if __name__ == '__main__':
+    main()

requirements.txt

@@ -0,0 +1,3 @@
+# This file is here because many Platforms as a Service look for
+#	requirements.txt in the root directory of a project.
+-r requirements/production.txt