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omaha-server

Build Status Coverage Status Scrutinizer Code Quality Apache License, Version 2.0

This is the Python 2 version of omaha-server. To obtain the Python 3 version with the latest security updates and support for the latest Omaha versions (including Omaha v3.1 / v4), please go to our web site.

omaha-server implements the server side of Google's Omaha update protocol, which for example powers Chrome's automatic update mechanism. Because Omaha is typically used to update Windows applications, omaha-server also supports the Sparkle framework for updating Mac applications. omaha-server is used by organisations large and small for products that require sophisticated update logic and advanced usage statistics.

Setting up a development server

Requirements:

$ sudo apt-get update
$ sudo apt-get install docker.io
$ sudo apt-get install python-paver python-pip
$ sudo pip install -U docker-compose
$ git clone https://github.com/Crystalnix/omaha-server.git
$ cd omaha-server
$ sudo paver up_local_dev_server

# Stop server
$ sudo docker-compose stop

Open http://{DOCKER_HOST}:9090/admin/

  • username: admin
  • password: admin

Setting up a development environment

Requirements:

$ mkvirtualenv omaha-server
$ pip install -r requirements/dev.txt

Tests

$ paver test

or

$ paver run_test_in_docker

Statistics

All statistics are stored in Redis. In order not to lose all data, we recommend to set up the backing up process. The proposed solution uses ElastiCache which supports automatic backups. In the case of a self-hosted solution do not forget to set up backups.

Required userid. Including user id into request

Utils

A command for generating fake data such as requests, events and statistics:

# Usage: ./manage.py generate_fake_data [options] <app_id>
# Options:
#     --count=COUNT         Total number of data values (default: 100)
$ ./manage.py generate_fake_data {F07B3878-CD6F-4B96-B52F-95C4D2} --count=20

A command for generating fake statistics:

# Usage: ./manage.py generate_fake_statistics [options]
# Options:
#     --count=COUNT         Total number of data values (default: 100)
$ ./manage.py generate_fake_statistics --count=3000

A command for generating fake live data:

# Usage: ./manage.py generate_fake_live_data <app_id>
#
$ ./manage.py generate_fake_live_data {c00b6344-038f-4e51-bcb1-33ffdd812d81}

A command for generating fake live data for Mac:

# Usage: ./manage.py generate_fake_mac_live_data <app_name> <channel>
#
$ ./manage.py generate_fake_mac_live_data Application alpha

Deploying Omaha-Server to AWS Elastic Beanstalk

Requirements:

Initializing the Configuration

$ cd deploy
$ cp settings.yml.example settings.yml

To change Omaha-Server configuration, add the settings that you want to modify to the ebs.config file. For example:

deploy:
  aws_access_key: '**********'
  aws_secret_key: '**********'
  bucket: 'example-ebs-archives'
  region: 'us-east-1' # http://docs.aws.amazon.com/general/latest/gr/rande.html#ec2_region

app:
  name: 'omaha-server'
  description: 'Omaha Server'

  key_name: 'omaha_server'

  solution_stack_name: '64bit Amazon Linux 2015.03 v1.4.3 running Docker 1.6.2' # optional default: '64bit Amazon Linux 2015.03 v1.4.3 running Docker 1.6.2'
  InstanceType: 't2.large' # optional default: t2.small http://aws.amazon.com/ec2/instance-types/
  autoscaling: # optional default: min=1 max=10
    min: 4
    max: 20
  healthcheck_url: '/admin/' # optional default: '/healthcheck/status/'

  environments:
    omaha-server-private:
      option_settings: # Configuration Options http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/command-options.html
        'aws:autoscaling:launchconfiguration':
          IamInstanceProfile: 'omaha-public'
          SecurityGroups: 'omaha-server,omaha-server-private' # If you use Amazon VPC with Elastic Beanstalk so that your instances are launched within a virtual private cloud (VPC), specify security group IDs instead of a security group name.

        'aws:ec2:vpc':
          VPCId: 'vpc-bb6b9fdf'
          Subnets: 'subnet-e386d5ba'
          AssociatePublicIpAddress: 'true'

      environment:
        OMAHA_SERVER_PRIVATE: 'true'
        SECRET_KEY: '**********'
        DB_HOST: 'postgres.example.com'
        DB_USER: 'omaha'
        DB_NAME: 'omaha'
        DB_PASSWORD: '**********'
        AWS_STORAGE_BUCKET_NAME: 'omaha-server'
        RAVEN_DNS: 'http://b3615b99118949dbae3c7d06e93fa74c:b8f1c35d08ef4bcaa6810b4d4cdd6fc0@sentry.example.com/2'
        RAVEN_DSN_STACKTRACE: 'http://637c17c832f44663b381916d4e0cb34d:9df83034cdfb400f9ce7d47ae4a0cc0b@sentry.example.com/5'
        REDIS_HOST: 'redis.example.com'
        DB_PUBLIC_USER: 'omaha_public'
        DB_PUBLIC_PASSWORD: 'omaha_public_password'
        AWS_ROLE: 'omaha-private'

    omaha-server-public:
      option_settings:
        'aws:autoscaling:launchconfiguration':
          IamInstanceProfile: 'omaha-public'
          SecurityGroups: 'omaha-server,omaha-server-public'
      environment:
        OMAHA_SERVER_PRIVATE: 'false'
        SECRET_KEY: '**********'
        DB_HOST: 'postgres.example.com'
        DB_USER: 'omaha_public'
        DB_NAME: 'omaha'
        DB_PASSWORD: 'omaha_public_password'
        AWS_STORAGE_BUCKET_NAME: 'omaha-server'
        RAVEN_DNS: 'http://b3615b99118949dbae3c7d06e93fa74c:b8f1c35d08ef4bcaa6810b4d4cdd6fc0@sentry.example.com/2'
        RAVEN_DSN_STACKTRACE: 'http://637c17c832f44663b381916d4e0cb34d:9df83034cdfb400f9ce7d47ae4a0cc0b@sentry.example.com/5'
        REDIS_HOST: 'redis.example.com'
        AWS_ROLE: 'omaha-public'
        DJANGO_SETTINGS_MODULE: 'omaha_server.settings_prod'

Environment variables

Environment variable name Description Default value
APP_VERSION App version DEV
DJANGO_SETTINGS_MODULE omaha_server.settings_prod
SECRET_KEY Django SECRET_KEY
HOST_NAME Eb app host name
DB_HOST DB Host 127.0.0.1
DB_USER DB User postgres
DB_NAME DB Name postgres
DB_PASSWORD DB Password ''
DB_PORT DB port 5432
AWS_ACCESS_KEY_ID AWS Access Key
AWS_SECRET_ACCESS_KEY AWS Secret Key
AWS_STORAGE_BUCKET_NAME S3 storage bucket
RAVEN_DNS Sentry url
RAVEN_DSN_STACKTRACE Sentry url RAVEN_DNS
REDIS_HOST Redis host 127.0.0.1
REDIS_PORT Redis port 6379
REDIS_DB Redis db 1
REDIS_STAT_PORT For statistics REDIS_PORT
REDIS_STAT_HOST REDIS_HOST
REDIS_STAT_DB 15
UWSGI_PROCESSES
UWSGI_THREADS
OMAHA_SERVER_PRIVATE Is private server False
DB_PUBLIC_USER
DB_PUBLIC_PASSWORD
AWS_ROLE
OMAHA_URL_PREFIX no trailing slash!
SENTRY_STACKTRACE_API_KEY Auth API token
OMAHA_ONLY_HTTPS HTTPS-only False
CUP_REQUEST_VALIDATION False
CRASH_TRACKER Sentry, ELK Sentry
LOGSTASH_HOST Logstash host
LOGSTASH_PORT Logstash TCP port
FILEBEAT_HOST Filebeat host 127.0.0.1
FILEBEAT_PORT Filebeat UDP port 9021
ELK_HOST Logstash host ''
ELK_PORT Logstash TCP port ''
FILEBEAT_DESTINATION filebeat output type ''
LOG_NGINX_TO_FILEBEAT Send logs to filebeat 'True'
EMAIL_SENDER Verified SES email
EMAIL_RECIPIENTS Feedback recepients

Initialize your ElasticBeanstalk application

# generate config file
$ python main.py
$ ebs-deploy init

Deploy your application

$ ebs-deploy deploy -e omaha-server-dev

Enable HTTPS

  1. Add SSL Certificate for Elastic Load Balancing
  2. Next, just add the following snippet to your file deploy/settings.yml
# http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/command-options-general.html#command-options-general-elbloadbalancer
'aws:elb:loadbalancer':
  LoadBalancerHTTPSPort: 443
  LoadBalancerSSLPortProtocol: HTTPS
  SSLCertificateId: arn:aws:acm:us-east-1:your-ssl-id # ToDo: change on your SSL ID
  1. Finally, in the case if you want to redirect all HTTP traffic to HTTPS, you can add OMAHA_ONLY_HTTPS: true to environment variables in the environment section. Warning: Please, don't activate the redirection of HTTP to HTTPS if you don't enable HTTPS. It will lead to that an Omaha server won't be accessible.

Enable Client Update Protocol v2

  1. Use Omaha eckeytool to generate private.pem key and cup_ecdsa_pubkey.{KEYID}.h files.
  2. Add cup_ecdsa_pubkey.{KEYID}.h to Omaha source directory /path/to/omaha/omaha/net/, set CupEcdsaRequestImpl::kCupProductionPublicKey in /path/to/omaha/omaha/net/cup_ecdsa_request.cc to new key and build Omaha client.
  3. Add private.pem keyid and path to omaha CUP_PEM_KEYS dictionary.

Links

Contributors

Thanks to Abiral Shrestha for the security reports and suggestions.

Copyright and license

This software is licensed under the Apache 2 license, quoted below.

Copyright 2020+ Omaha Consulting

Copyright 2014 - 2019 Crystalnix Limited

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.