[checkmk-commits] Check_MK Git: check_mk: Added mail notificaton method to custom user notification dialog

Module: check_mk Branch: master Commit: 1eef4bf3e98e6134096a303bb5eb9cd321f57aba URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=1eef4bf3e98e61… Author: Lars Michelsen &lt;lm(a)mathias-kettner.de&gt; Date: Mon Jan 20 11:17:51 2014 +0100 Added mail notificaton method to custom user notification dialog The user notification dialog (currently accessible via WATO > Users > Notify Users) has been extended by adding a mail notification mechanism. --- .werks/665 | 9 ++++++ ChangeLog | 3 +- web/htdocs/notify.py | 87 +++++++++++++++++++++++++++++++++++++++++++++++--- 3 files changed, 94 insertions(+), 5 deletions(-) diff --git a/.werks/665 b/.werks/665 new file mode 100644 index 0000000..4ff353e --- /dev/null +++ b/.werks/665 @@ -0,0 +1,9 @@ +Title: Added mail notificaton method to custom user notification dialog +Level: 1 +Component: multisite +Version: 1.2.5i1 +Date: 1390213013 +Class: feature + +The user notification dialog (currently accessible via WATO > Users > Notify Users) +has been extended by adding a mail notification mechanism. diff --git a/ChangeLog b/ChangeLog index 1cae374..0c55a9c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -46,8 +46,8 @@ * 0568 f5_big_ip_conns: check now supports predictive monitoring and both connections types are merged in one check * 0257 windows_agent: now reports extended process information (obsoletes psperf.bat plugin)... * 0457 hitachi_hnas_volume: New check for Usage and Status of Volumes in Hitachi HNAS storage systems - * 0458 hitachi_hnas_fc_if: New check for FibreChannel Interfaces in Hitachi HNAS storage systems * 0450 mem.used: Add information about shared memory (on Linux hosts) + * 0458 hitachi_hnas_fc_if: New check for FibreChannel Interfaces in Hitachi HNAS storage systems * 0103 FIX: services: Fixed bug with service inventory defined in main.mk... * 0299 FIX: borcade_mlx_fan: Prettified output, handling "other" state now * 0300 FIX: cisco_fru_power: Trying not to inventorize not plugged in FRUs... @@ -122,6 +122,7 @@ * 0429 Implemented role permissions for dashboards... * 0430 It is now possible to define custom time ranges in PNP graph search... * 0449 Show all custom variables of hosts and services in the detail views... + * 0665 Added mail notificaton method to custom user notification dialog... * 0302 FIX: Fixed highlight of choosen elements in foldertee/views snapin in Chrome/IE * 0239 FIX: Fixed incorrect html formatting when displaying host or service comments... * 0307 FIX: Increased performance of multisite GUI with a large userbase... diff --git a/web/htdocs/notify.py b/web/htdocs/notify.py index 061c483..ce85ab0 100644 --- a/web/htdocs/notify.py +++ b/web/htdocs/notify.py @@ -84,6 +84,10 @@ def load_plugins(): 'title': _('Send hint to message inbox (bottom of sidebar)'), 'handler': notify_gui_msg, }, + 'mail': { + 'title': _('Send an E-Mail'), + 'handler': notify_mail, + }, } dest_choices = [ @@ -197,14 +201,21 @@ def page_notify(): recipients = msg['dest'][1] num_recipients = len(recipients) + num_success = 0 + num_failed = 0 # Now loop all notitification methods to send the notifications for user_id in recipients: for method in msg['methods']: - handler = notify_methods[method]['handler'] - handler(user_id, msg) - - msg = _('The notification has been sent to %d recipients.') % num_recipients + try: + handler = notify_methods[method]['handler'] + handler(user_id, msg) + num_success += 1 + except MKInternalError, e: + num_failed += 1 + html.show_error(_('Failed to send %s notification to %s: %s') % (method, user_id, e)) + + msg = _('The notification has been sent to %d of %d recipients.') % (num_success, num_recipients) msg += ' <a href="%s">%s</a>' % (html.makeuri([]), _('Back to previous page')) msg += '<p>Sent notification to: %s</p>' % ', '.join(recipients) @@ -227,3 +238,71 @@ def notify_gui_msg(user_id, msg): if msg not in messages: messages.append(msg) save_gui_messages(messages, user_id) + return True + + +def notify_mail(user_id, msg): + import subprocess, time + users = userdb.load_users(lock = False) + user = users.get(user_id) + + if not user: + raise MKInternalError(_('This user does not exist.')) + + if not user.get('email'): + raise MKInternalError(_('This user has no mail address configured.')) + + recipient_name = user.get('alias') + if not recipient_name: + recipient_name = user_id + + sender_name = users[config.user_id].get('alias') + if not sender_name: + sender_name = user_id + + # Code mostly taken from notify_via_email() from notify.py module + subject = _('Check_MK: Notification') + body = _('''Greetings %s, + +%s sent you a notification: + +--- +%s +--- + +''') % (recipient_name, sender_name, msg['text']) + + if msg['valid_till']: + body += _('This notification has been created at %s and is valid till %s.') % ( + time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(msg['time'])), + time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(msg['valid_till'])) + ) + + # FIXME: Maybe use the configured mail command for Check_MK-Notify one day + command = u"mail -s '$SUBJECT$' '$CONTACTEMAIL$'" + command_utf8 = command.replace('$SUBJECT$', subject).replace('$CONTACTEMAIL$', user['email']).encode("utf-8") + + # Make sure that mail(x) is using UTF-8. Otherwise we cannot send notifications + # with non-ASCII characters. Unfortunately we do not know whether C.UTF-8 is + # available. If e.g. nail detects a non-Ascii character in the mail body and + # the specified encoding is not available, it will silently not send the mail! + # Our resultion in future: use /usr/sbin/sendmail directly. + # Our resultion in the present: look with locale -a for an existing UTF encoding + # and use that. + for encoding in os.popen("locale -a 2>/dev/null"): + l = encoding.lower() + if "utf8" in l or "utf-8" in l or "utf.8" in l: + encoding = encoding.strip() + os.putenv("LANG", encoding) + break + else: + raise MKInternalError(_('No UTF-8 encoding found in your locale -a! Please provide C.UTF-8 encoding.')) + + p = subprocess.Popen(command_utf8, shell=True, stdout=subprocess.PIPE, + stderr=subprocess.PIPE, stdin=subprocess.PIPE) + stdout_txt, stderr_txt = p.communicate(body.encode("utf-8")) + exitcode = p.returncode + if exitcode != 0: + raise MKInternalError(_('Mail could not be delivered. Exit code of command is %r') % exitcode) + else: + return True