HOT Imagery requests coordination service

Development

Virtual machine configuration

• download and import VirtualBox Appliance (http://candela-it.com/hirc.ova)
  • ubuntu 14.04 with postgresql9.3 and postgis2.1
  • username:password cit:cit
  • forwarded ports
    • ssh:2323
    • django:8000
• personalize virtual machine environment, basically just copy your GitHub registered SSH key and git config file
  • scp -P 2323 .ssh/id_rsa.pub cit@localhost:.ssh/id_rsa.pub
  • scp -P 2323 .ssh/id_rsa cit@localhost:.ssh/id_rsa
  • scp -P 2323 .gitconfig cit@localhost:.gitconfig
• in hirc directory add your project fork remote: git remote add origin [email protected]:your-git-username/hirc.git
  • upstream repository is blessed (read-only) so you must add your (writable) origin remote

Simple development workflow

• fork blessed repository
• in forked repository work in local branches, keep your master clean, so you can sync it later with blessed repository: git checkout -b mybranch
• push your local branch changes: git push origin mybranch:mybranch
• create a pull request against the blessed repo
• same principles can be applied when working with other developers repositories:
  • git remote add other_developer [email protected]:other_developer/hirc.git
  • git fetch other_developer
  • git checkout other_developer/his_branch
  • ...

On the host(local) machine

• mkdir /tmp/hirc_dev
• sshfs -p 2323 cit@localhost:hirc /tmp/hirc_dev/
• open /tmp/hirc_dev in your favourite code editor

On the guest(virtual) machine

• initialize Python virtual environment: source ~/hirc_env/bin/activate
• change directory cd hirc and run devserver: hizashi.py devserver
  • hizashi is a tiny wrapper around django https://github.com/dodobas/hizashi-utils
  • standard: python manage.py runserver also works
• open http://localhost:8000 in your favourite web browser

Coding standards

• for better or worse we'll base it on: http://inasafe.org/en/developer-docs/coding_standards.html

Migrating database

• database migrations are somewhat fiddly in the beginning
  • python manage.py migrate questions 0001
  • python manage.py migrate imagery_requests 0001
  • python manage.py migrate imagery_requests 0002
  • python manage.py migrate questions 0002
  • python manage.py migrate imagery_requests 0003

Development updates

• install python-social-auth: pip install python-social-auth
• sync python-social-auth models: python manage.py syncdb
• drop auth_user table: psql -c 'DROP TABLE auth_user cascade;' hirc_dev
• install django-reversion: pip install django-reversion
• migrate: python manage.py migrate reversion
• python manage.py migrate imagery_requests 0004

End-of-day updates

• python manage.py migrate questions 0003