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The main code for deploying the Twisted infrastructure into production.

A library of fabric stuff for deploying Twisted infrastrucutre.

It contains tools for deploying individual services.

The idea is that each individual service (e.g., t-names, www-data, trac, buildbot) will have a dedicated fabfile that uses braid to deploy itself on a given machine.

This README.rst describes how to use this tools and how to deploy.

See CONTRIBUTING.rst for info about how to run a staging server and develop and maintain the code.

Currently Supported Services

  • amptrac
  • t-names
  • t-web
  • buildbot (buildmaster)
  • buildslave
  • codespeed
  • kenaan
  • [hiscore](
  • trac
  • mailman

Server Dependencies

braid currently assumes that it is being run against a Ubuntu 16.04.

It requires that the universe component be enabled, as well as sudo.

Usage Notes

Fabric configuration is located at braid/ (don't be fooled by braid/

Some notable commands:

`shell # Add keys from file to remote user $ fab users.uploadKeyFile:<user>,<keyfile> # Add keys from launchpad to remote user $ fab users.uploadLaunchpadKeys:<user>[,<launchpadUser>] `

`shell # Install base packages, and ssh config $ fab base.bootstrap `

There are some tools to help specifying which machines to target.

`shell # Install against dornkirk $ fab config.production `

There is a sample testing.env that can be put in ~/.config/braid/. Any files matching *.env are accessible via `shell $ fab config.testing `

Service configuration conventions

### Directory structure ###

Each service has its own directory under /srv.

### Users, groups and privileges ###

Each service runs as its own system user and owns his root directory (i.e. /srv/<service>). Each service user has to be part of the service group. Any ssh-key that can be used to authenticate as root can also be use to authenticate as any use in the service group.

### Init scripts ### Most service provide scripts to start and stop the service in ~/bin.

### Available tools ###

#### How to start/stop/restart services ####

Each service has its own Fabric namespace. Actions are available as part of each namespace. For example, the dns service can be started, stopped, and restarted as follows:

`shell fab dns.start `

`shell fab dns.stop `

`shell fab dns.restart `

#### How to update existing services ####

Similarly as done for managing the running states, an update task lives in each service namespace. It can be run as follows:

`shell fab dns.update `

Note that this will restart the service after updating.

#### How to install new services ####

A service which was just added to the fabfile can be installed by running its install task:

`shell fab dns.install `

Note, however, that while the previous actions did not require root privileges, installing a new service requires to be able to sudo to root. This is needed to create the necessary users, install additional packages and create the base environment.

Managing secrets

A private repository, protected by git secret is used to store the sensitive data for the Twisted infrastructure.

The private repository is located at:

Since git secret don't support submodules, you will need to clone the twisted-infra-secret repo and git secret reveal it in a directory which is a sibling of the braid base clone directory.

Make sure you pull and reveal the changes before running in production. Make sure you push and hide your changes mode in production.