Below is the file 'client/plugins/backup.py' from this revision. You can also download the file.

from phonehome import urgency

import os
import glob
import stat
import datetime

from config import install_path

afbackup_log_dir = '/usr/local/backup/client/var/'

def run():
    results = []

    if os.access(os.path.join(install_path, 'etc', 'no_backup_ok'), os.R_OK):
        return [(urgency['info'], 'skipped backup check, no_backup_ok found.')]

    if not os.access(afbackup_log_dir, os.R_OK):
	results.append ((urgency['warning'], "afbackup is not installed"))
	return results

    # find all the backup_log files; figure out the latest one
    most_recent_log = max (map (lambda fname: os.stat(fname)[stat.ST_MTIME],
				glob.glob(os.path.join(afbackup_log_dir, 'backup_log*'))))

    mtime = datetime.datetime.fromtimestamp(most_recent_log)
    now = datetime.datetime.now()

    if now - mtime > datetime.timedelta(weeks=1, days=1):
	results.append ((urgency['critical'], "backups are not running: most recent dump at %s" %
			 str(mtime)))

    return results