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CI for SGH Elternbeirat

Build Status

Deployment

  • git clone this repository
  • Copy sample-config.yml to config.yml and fill in the values (check Lastpass)
  • Get a recent Ruby and install bundler in it
  • Run bundle exec rake deploy to generate the scripts and config into the deployment folder and deploy them to the Strato box.

Backup

Database and filesystem are both backed up from ~/bin/backup.sh. It is generated and deployed from the ci project. The invocation of backup.sh is scheduled as cron job via Strato's web interface.

Rotation

Strategy:

  1. If there is no backup for today yet, create it and put it into backup/daily

  2. Delete files older than 7 days from backup/daily, so that we keep daily backups of the last seven days

  3. If it is the last day of the week, copy the backup into backup/weekly, too

  4. Delete files older than one month from backup/weekly, so that we keep weekly backups of the last month

  5. If it is the last day of the month, copy the backup into backup/monthly, too

  6. Delete files older than three months from backup/monthly, so that we keep monthly backups of the last three months

  7. If it is the last day of the year, copy the backup into backup/yearly, too

  8. Delete files older than 10 years from backup/yearly, so that we keep yearly backups of the last ten years

Retention Management

On the Strato Host (TODO)

In the pipeline, delete files older than N days like this:

find backup/*/monthly -name *.gz -type f -mtime +92
  • N needs to be adjusted for yearly/monthly/weekly/daily
  • Cleanup must only happen after files were successfully stowed at Backblaze

At Backblaze (TODO)

The CI task for backblaze already has a candidate call.

Development

Strato only has Ruby 1.9.3 available on their machines. Thus we need to run with it, but still want to develop and test with newer Rubies.

Here is how to update the runtime bundles:

$ chruby 1.9.3
$ bundle install --without=development --with=test
$ bundle exec rake
$ bundle update

Development and test can be done with a newer Ruby:

$ chruby 2.4.2
$ bundle install --with=development --with=test
$ bundle exec rake
$ bundle update

Pipeline

  • Base image is in Dockerfile and automatically built on cloud.docker.com

  • Backup user authenticates with private key:

    • Keys were generated with ssh-keygen -t rsa -b 4096 -C "backup-pipeline@eltern-sgh.de" -f id_backup-pipeline
    • Private key added as note to Lastpass entry 'SGH/ssh.strato.de'
    • Public key added to ~/.ssh/authorized_keys in ssh.strato.de with ssh-copy-id -i id_backup-pipeline.pub eltern-sgh.de@ssh.strato.de

  • Call set-pipeline in order to apply the config (with private stuff in config.yml).

Test

Schedule for Ghost Inspector Tests

      | Eltern | Wiki | Freunde | GEB

----------|:------:|:----:|:-------:|:---: Monday | x | x | x | Truesday | x | x | x | x Wednesday | x | | x | x Thursday | x | x | | x Friday | x | x | x | Saturday | | x | | x Sunday | x | | x | x