| 1 | #!/usr/bin/pythonw
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| 2 |
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| 3 | from appscript import app, k, CommandError
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| 4 | from aemreceive.sfba import *
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| 5 | from Foundation import NSLog, NSUserDefaults, NSDate
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| 6 | from subprocess import call
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| 7 | from traceback import print_exc
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| 8 | from cStringIO import StringIO
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| 9 | from datetime import datetime
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| 10 | import RSS
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| 11 | import email, smtplib
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| 12 | from email.MIMEMessage import MIMEMessage
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| 13 | from email.MIMEText import MIMEText
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| 14 | from email.Utils import formataddr, formatdate
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| 15 | import os, re, sys
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| 16 | import objc # XXX should switch to public DADiskMount/Eject functions
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| 17 | objc.loadBundle('DiskManagement', globals(),
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| 18 | '/System/Library/PrivateFrameworks/DiskManagement.framework')
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| 19 |
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| 20 | EVENTS_DIR = os.path.expanduser('~/Sites/RetroStatus')
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| 21 | EVENTS_MAX = 100
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| 22 |
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| 23 | FROM_NAME, FROM_ADDR = 'Retrospect backup server', 'retrospect' + '@rileys.us'
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| 24 | TO_ADDR = ['%s@rileys.us' % user for user in ['julia', 'gary']]
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| 25 | SMTP_SERVER = 'calamity.bos.sabi.net'
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| 26 |
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| 27 | DEBUG = True
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| 28 |
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| 29 | # XXX implement Web page with current status
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| 30 |
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| 31 | ### notifications
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| 32 |
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| 33 | GROWL_APP_NAME = 'RetroStatus'
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| 34 | NOTIFICATION_BACKUP = 'Backup'
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| 35 | NOTIFICATION_MEDIA = 'Media change'
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| 36 | NOTIFICATIONS_ALL = [NOTIFICATION_BACKUP, NOTIFICATION_MEDIA]
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| 37 | EVENTS_FILE = os.path.join(EVENTS_DIR, 'index.rdf')
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| 38 | EVENTS_FILE_TEMP = EVENTS_FILE + '~'
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| 39 |
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| 40 | growl = app('GrowlHelperApp')
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| 41 | events = RSS.TrackingChannel()
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| 42 |
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| 43 | try: os.mkdir(EVENTS_DIR)
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| 44 | except: pass
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| 45 | events.setMD((RSS.ns.rss10, 'channel'),
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| 46 | {(RSS.ns.rss10, 'title'): 'Retrospect status',
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| 47 | (RSS.ns.rss10, 'link'): os.path.basename(EVENTS_FILE)})
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| 48 |
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| 49 | def growlNotify(name, title, description, **kw):
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| 50 | # XXX restore coalescing support from LocationDo
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| 51 | params = dict(with_name=name,
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| 52 | title=title,
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| 53 | description=unicode(description),
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| 54 | application_name=GROWL_APP_NAME,
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| 55 | icon_of_application='Retrospect')
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| 56 | params.update(kw)
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| 57 | if DEBUG:
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| 58 | NSLog('%s: %s' % (title, description))
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| 59 | try:
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| 60 | growl.notify(**params)
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| 61 | except CommandError:
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| 62 | pass
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| 63 |
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| 64 | def addEvent(title, description, preformatted=False):
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| 65 | description = description.replace('&', '&').replace('<', '<')
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| 66 | if preformatted:
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| 67 | description = '<pre>%s</pre>' % description
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| 68 | else:
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| 69 | description = description.replace('\n\n', '<p>').replace('\n', '<br>')
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| 70 | # XXX provide valid URL for event details
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| 71 | events.addItem({(RSS.ns.dc, 'date'): datetime.today().isoformat(),
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| 72 | (RSS.ns.rss10, 'title'): title,
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| 73 | # (RSS.ns.rss10, 'link'): datetime.today().isoformat(),
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| 74 | (RSS.ns.rss10, 'description'): description})
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| 75 | events.truncateToLength(EVENTS_MAX)
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| 76 | file(EVENTS_FILE_TEMP, 'w').write(str(events))
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| 77 | os.rename(EVENTS_FILE_TEMP, EVENTS_FILE)
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| 78 |
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| 79 | def sendMail(subject, text):
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| 80 | message = MIMEText(text.encode('utf8'), _charset='utf8')
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| 81 | message.set_unixfrom(FROM_ADDR)
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| 82 | message['From'] = formataddr((FROM_NAME, FROM_ADDR))
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| 83 | message['To'] = ', '.join(TO_ADDR)
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| 84 | message['Date'] = formatdate(localtime=True)
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| 85 | message['Subject'] = subject
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| 86 | smtp = smtplib.SMTP(SMTP_SERVER)
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| 87 | smtp.sendmail(message['From'], TO_ADDR, message.as_string())
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| 88 |
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| 89 | ### disk management
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| 90 |
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| 91 | DEFAULT_LAST_USED_NAME = 'Last used backup volume name'
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| 92 | DEFAULT_LAST_USED_DATE = 'Date of last backup volume use'
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| 93 |
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| 94 | defaults = NSUserDefaults.standardUserDefaults()
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| 95 | diskManager = DMManager.sharedManager()
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| 96 | diskManager.generateConnection()
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| 97 |
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| 98 | def diskWithName(name):
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| 99 | disks = diskManager.disks()
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| 100 | for disk in disks:
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| 101 | if disk.volumeName() == name:
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| 102 | return disk
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| 103 |
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| 104 | def lastUsedDisk():
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| 105 | diskName = defaults.get(DEFAULT_LAST_USED_NAME)
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| 106 | if diskName:
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| 107 | return diskWithName(diskName)
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| 108 |
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| 109 | def diskIsMounted(disk):
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| 110 | mountPoint = disk.mountPoint()
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| 111 | return (mountPoint and os.path.exists(mountPoint))
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| 112 |
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| 113 | def ejectDisk(disk):
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| 114 | if not diskIsMounted(disk):
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| 115 | return True
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| 116 | if not diskManager.ejectDisk_synchronous_(disk, True):
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| 117 | return False
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| 118 | if diskIsMounted(disk):
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| 119 | growlNotify(NOTIFICATION_MEDIA, 'Eject failed',
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| 120 | 'Using diskutil to eject %s' % disk)
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| 121 | return call('diskutil', 'eject', disk.diskIdentifier()) is 0
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| 122 | return True
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| 123 |
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| 124 | def mountDisk(disk):
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| 125 | if diskIsMounted(disk):
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| 126 | return True
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| 127 | if not diskManager.mountDisk_includeChildren_synchronous_(disk, False, True):
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| 128 | return False
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| 129 | if not diskIsMounted(disk):
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| 130 | growlNotify(NOTIFICATION_MEDIA, 'Mount failed',
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| 131 | 'Using diskutil to mount %s' % disk)
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| 132 | return call('diskutil', 'mount', disk.diskIdentifier()) is 0
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| 133 | return True
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| 134 |
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| 135 | ### Retrospect event handlers
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| 136 |
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| 137 | def retrospectstart(autolaunchboolean): pass
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| 138 | def scriptstart(scriptname, startdate): pass
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| 139 | # yes, this really should be "remotetname"
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| 140 | def volumestart(volumename, clientname='', remotetname=''): pass
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| 141 | def volumeend(volumename, kbcopied, filecount, durationinseconds, backupdate,
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| 142 | enddate, startdate, destinationname, clientname, scriptname,
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| 143 | backuptypestring, fileerrorcount, volumeerrorcode,
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| 144 | volumeerrormessage, zonename='', remotename='',
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| 145 | subvolumediskname=''):
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| 146 | growlNotify(NOTIFICATION_BACKUP, scriptname,
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| 147 | '%s\n%s' % (volumename, volumeerrormessage))
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| 148 | addEvent('%s: %s' % (volumename, volumeerrormessage),
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| 149 | '%d file(s) copied; %d had errors.' % (filecount, fileerrorcount))
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| 150 |
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| 151 | def mediarequest(mediatypestring, requestedmembername, mediaisknownboolean):
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| 152 | disk = diskWithName(requestedmembername)
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| 153 | if disk and mountDisk(disk):
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| 154 | defaults[DEFAULT_LAST_USED_NAME] = requestedmembername
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| 155 | defaults[DEFAULT_LAST_USED_DATE] = NSDate.date()
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| 156 | growlNotify(NOTIFICATION_MEDIA, requestedmembername,
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| 157 | 'Disk is in use: please DO NOT swap')
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| 158 | else:
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| 159 | sendMail("IMPORTANT: Can't find disk %s" % requestedmembername,
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| 160 | "Retrospect can't find the disk '%s'. Please eject the old disk, if any, and check that the correct disk is inserted." % requestedmembername)
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| 161 |
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| 162 | def mediarequesttimedout(numberofsecondswaited): pass
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| 163 |
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| 164 | def scriptend(scriptname, scripterrormessage, errorcount):
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| 165 | disk = lastUsedDisk()
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| 166 | if disk and ejectDisk(disk):
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| 167 | growlNotify(NOTIFICATION_MEDIA, disk.volumeName(),
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| 168 | 'Disk no longer in use: OK to swap')
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| 169 | addEvent(scriptname + ': script completed',
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| 170 | '%s; %s error(s)' % (scripterrormessage, errorcount))
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| 171 |
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| 172 | def scriptcheckfailed(scriptname, failuremessage, scheduledate):
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| 173 | failuremessage = failuremessage.replace('\r', '\n').decode('macroman')
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| 174 | m = re.search(u'\u201c([^\u201d]+)\u201d', failuremessage)
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| 175 | if not m:
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| 176 | addEvent(scriptname + ': check failed', failuremessage)
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| 177 | return
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| 178 | if not diskWithName(m.group(1)):
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| 179 | sendMail("Please swap backup media before %s" % scheduledate.ctime(),
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| 180 | failuremessage + "\n\nEject the old disk, if any, and check that the correct disk is inserted.")
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| 181 |
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| 182 | def retrospectquit():
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| 183 | stopeventloop()
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| 184 |
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| 185 | def handleEvent(eventName, params):
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| 186 | eventHandler = globals().get(eventName)
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| 187 | params = dict(zip(params[::2], params[1::2]))
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| 188 | for k in params.keys():
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| 189 | if params[k] == '': del params[k]
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| 190 | eventStr = '%s(%s)' % (eventName, ', '.join(['%s=%r' % (k, v) for k, v
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| 191 | in params.iteritems()]))
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| 192 | if not eventHandler:
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| 193 | addEvent('%s: unhandled event' % eventName, eventStr)
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| 194 | if DEBUG: NSLog('unhandled event: ' + eventStr)
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| 195 | return
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| 196 | try:
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| 197 | eventHandler(**params)
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| 198 | except:
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| 199 | s = StringIO()
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| 200 | print_exc(file=s)
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| 201 | addEvent('%s: event handler failed' % eventName,
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| 202 | '%s\n\n%s' % (eventStr, s.getvalue()), True)
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| 203 | if DEBUG:
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| 204 | NSLog('event handler failed for %s:\n%s' % (eventStr, s.getvalue()))
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| 205 |
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| 206 | installeventhandler(handleEvent, 'ascrpsbr',
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| 207 | ('snam', 'eventName', kAE.typeUnicodeText),
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| 208 | ('usrf', 'params', ArgListOf(kAE.typeWildCard)))
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| 209 |
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| 210 | if __name__ == '__main__':
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| 211 | growl.register(
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| 212 | as_application=GROWL_APP_NAME,
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| 213 | all_notifications=NOTIFICATIONS_ALL,
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| 214 | default_notifications=NOTIFICATIONS_ALL)
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| 215 |
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| 216 | starteventloop()
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| 217 |
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| 218 | # example events:
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| 219 |
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| 220 | # retrospectstart(autolaunchboolean=False)
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| 221 | # scriptstart(scriptname='Boston Backup', startdate=datetime.datetime(2005, 11, 23, 2, 31, 51))
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| 222 | # volumestart(volumename='Backup Clients:Babs')
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| 223 |
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| 224 | # volumeend(startdate=datetime.datetime(2005, 11, 23, 2, 31, 51), kbcopied=0, enddate=datetime.datetime(2005, 11, 23, 2, 32, 5), backuptypestring='Normal', volumename='Backup Clients:Babs', clientname='Babs', destinationname='Boston backup A', scriptname='Boston Backup', volumeerrormessage='client is not visible on network', backupdate=datetime.datetime(2005, 11, 23, 2, 32, 5), durationinseconds=0, volumeerrorcode=-1028, fileerrorcount=0, remotename='Babs', filecount=0, zonename='10.0.0.9')
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| 225 | # volumestart(volumename=' Local Desktop:Bookworm')
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| 226 | # volumestart(volumename='Backup Clients:Concord:Mac OS X', remotetname='Backup Clients:Concord', clientname='Backup Clients:Concord')
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| 227 | # mediarequest: appears even if media is available
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| 228 | # mediarequest(mediatypestring='disk', requestedmembername='1-Boston backup A', mediaisknownboolean=True)
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| 229 | # mediarequest(mediatypestring='disk', requestedmembername='1-Boston backup A', mediaisknownboolean=True)
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| 230 | # volumeend(startdate=datetime.datetime(2005, 11, 23, 2, 31, 51), kbcopied=2291359, enddate=datetime.datetime(2005, 11, 23, 2, 56, 23), backuptypestring='Normal', volumename=' Local Desktop:Bookworm', clientname='Local Desktop', destinationname='Boston backup A', scriptname='Boston Backup', volumeerrormessage='successful', backupdate=datetime.datetime(2005, 11, 23, 2, 31, 51), durationinseconds=1066, volumeerrorcode=0, fileerrorcount=15, remotename='Local Desktop', filecount=72717)
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| 231 | # scriptend(scriptname='Boston Backup', scripterrormessage='client is not visible on network', errorcount=18)
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| 232 | # scriptcheckfailed(scriptname='Boston Backup', failuremessage='Appending to disk \xd21-Boston backup B\xd3\r\t149.0 G available (80%) of 186.2 G total capacity', scheduledate=datetime.datetime(2005, 11, 24, 1, 0))
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| 233 | # retrospectquit()
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