django-orchestra/orchestra/apps/lists/backends.py

231 lines
9.1 KiB
Python

import re
import textwrap
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
from orchestra.apps.orchestration import ServiceController
from orchestra.apps.resources import ServiceMonitor
from . import settings
from .models import List
class MailmanBackend(ServiceController):
verbose_name = "Mailman"
model = 'lists.List'
addresses = [
'',
'-admin',
'-bounces',
'-confirm',
'-join',
'-leave',
'-owner',
'-request',
'-subscribe',
'-unsubscribe'
]
def include_virtual_alias_domain(self, context):
# TODO for list virtual_domains cleaning up we need to know the old domain name when a list changes its address
# domain, but this is not possible with the current design.
# sync the whole file everytime?
# TODO same for mailbox virtual domains
if context['address_domain']:
self.append(textwrap.dedent("""
[[ $(grep "^\s*%(address_domain)s\s*$" %(virtual_alias_domains)s) ]] || {
echo "%(address_domain)s" >> %(virtual_alias_domains)s
UPDATED_VIRTUAL_ALIAS_DOMAINS=1
}""") % context
)
def exclude_virtual_alias_domain(self, context):
address_domain = context['address_domain']
if not List.objects.filter(address_domain=address_domain).exists():
self.append('sed -i "/^%(address_domain)s\s*$/d" %(virtual_alias_domains)s' % context)
def get_virtual_aliases(self, context):
aliases = []
for address in self.addresses:
context['address'] = address
aliases.append("%(address_name)s%(address)s@%(domain)s\t%(name)s%(address)s" % context)
return '\n'.join(aliases)
def save(self, mail_list):
context = self.get_context(mail_list)
# Create list
self.append(textwrap.dedent("""\
[[ ! -e %(mailman_root)s/lists/%(name)s ]] && {
newlist --quiet --emailhost='%(domain)s' '%(name)s' '%(admin)s' '%(password)s'
}""") % context)
# Custom domain
if mail_list.address:
context['aliases'] = self.get_virtual_aliases(context)
# Preserve indentation
self.append(textwrap.dedent("""\
if [[ ! $(grep '\s\s*%(name)s\s*$' %(virtual_alias)s) ]]; then
echo '# %(banner)s\n%(aliases)s
' >> %(virtual_alias)s
UPDATED_VIRTUAL_ALIAS=1
else
if [[ ! $(grep '^\s*%(address_name)s@%(address_domain)s\s\s*%(name)s\s*$' %(virtual_alias)s) ]]; then
sed -i -e '/^.*\s%(name)s\(%(address_regex)s\)\s*$/d' \\
-e 'N; /^\s*\\n\s*$/d; P; D' %(virtual_alias)s
echo '# %(banner)s\n%(aliases)s
' >> %(virtual_alias)s
UPDATED_VIRTUAL_ALIAS=1
fi
fi""") % context
)
self.append(
'echo "require_explicit_destination = 0" | '
'%(mailman_root)s/bin/config_list -i /dev/stdin %(name)s' % context
)
self.append(textwrap.dedent("""\
echo "host_name = '%(address_domain)s'" | \
%(mailman_root)s/bin/config_list -i /dev/stdin %(name)s""") % context
)
else:
# Cleanup shit
self.append(textwrap.dedent("""\
if [[ ! $(grep '\s\s*%(name)s\s*$' %(virtual_alias)s) ]]; then
sed -i "/^.*\s%(name)s\s*$/d" %(virtual_alias)s
fi""") % context
)
# Update
if context['password'] is not None:
self.append(
'%(mailman_root)s/bin/change_pw --listname="%(name)s" --password="%(password)s"' % context
)
self.include_virtual_alias_domain(context)
def delete(self, mail_list):
context = self.get_context(mail_list)
self.exclude_virtual_alias_domain(context)
self.append(textwrap.dedent("""\
sed -i -e '/^.*\s%(name)s\(%(address_regex)s\)\s*$/d' \\
-e 'N; /^\s*\\n\s*$/d; P; D' %(virtual_alias)s""") % context
)
self.append(textwrap.dedent("""\
# Non-existent list archives produce exit code 1
exit_code=0
rmlist -a %(name)s || exit_code=$?
if [[ $exit_code != 0 && $exit_code != 1 ]]; then
exit $exit_code
fi""") % context
)
def commit(self):
context = self.get_context_files()
self.append(textwrap.dedent("""
[[ $UPDATED_VIRTUAL_ALIAS == 1 ]] && { postmap %(virtual_alias)s; }
[[ $UPDATED_VIRTUAL_ALIAS_DOMAINS == 1 ]] && { /etc/init.d/postfix reload; }
""") % context
)
def get_context_files(self):
return {
'virtual_alias': settings.LISTS_VIRTUAL_ALIAS_PATH,
'virtual_alias_domains': settings.LISTS_VIRTUAL_ALIAS_DOMAINS_PATH,
}
def get_banner(self, mail_list):
banner = super(MailmanBackend, self).get_banner()
return '%s %s' % (banner, mail_list.name)
def get_context(self, mail_list):
context = self.get_context_files()
context.update({
'banner': self.get_banner(mail_list),
'name': mail_list.name,
'password': mail_list.password,
'domain': mail_list.address_domain or settings.LISTS_DEFAULT_DOMAIN,
'address_name': mail_list.get_address_name(),
'address_domain': mail_list.address_domain,
'address_regex': '\|'.join(self.addresses),
'admin': mail_list.admin_email,
'mailman_root': settings.LISTS_MAILMAN_ROOT_PATH,
})
return context
class MailmanTraffic(ServiceMonitor):
model = 'lists.List'
resource = ServiceMonitor.TRAFFIC
verbose_name = _("Mailman traffic")
def prepare(self):
super(MailmanTraffic, self).prepare()
current_date = self.current_date.strftime("%Y-%m-%d %H:%M:%S %Z")
self.append(textwrap.dedent("""\
function monitor () {
OBJECT_ID=$1
# Dates convertions are done server-side because of timezone discrepancies
INI_DATE=$(date "+%%Y%%m%%d%%H%%M%%S" -d "$2")
END_DATE=$(date '+%%Y%%m%%d%%H%%M%%S' -d '%s')
LIST_NAME="$3"
MAILMAN_LOG="$4"
SUBSCRIBERS=$(list_members ${LIST_NAME} | wc -l)
{
{ grep " post to ${LIST_NAME} " ${MAILMAN_LOG} || echo '\\r'; } \\
| awk -v ini="${INI_DATE}" -v end="${END_DATE}" -v subs="${SUBSCRIBERS}" '
BEGIN {
sum = 0
months["Jan"] = "01"
months["Feb"] = "02"
months["Mar"] = "03"
months["Apr"] = "04"
months["May"] = "05"
months["Jun"] = "06"
months["Jul"] = "07"
months["Aug"] = "08"
months["Sep"] = "09"
months["Oct"] = "10"
months["Nov"] = "11"
months["Dec"] = "12"
} {
# Mar 01 08:29:02 2015
month = months[$1]
day = $2
year = $4
split($3, time, ":")
line_date = year month day time[1] time[2] time[3]
if ( line_date > ini && line_date < end)
sum += substr($11, 6, length($11)-6)
} END {
print sum * subs
}' || [[ $? == 1 ]] && true
} | xargs echo ${OBJECT_ID}
}""") % current_date)
def monitor(self, mail_list):
context = self.get_context(mail_list)
self.append(
'monitor %(object_id)i "%(last_date)s" "%(list_name)s" %(mailman_log)s{,.1}' % context
)
def get_context(self, mail_list):
return {
'mailman_log': settings.LISTS_MAILMAN_POST_LOG_PATH,
'list_name': mail_list.name,
'object_id': mail_list.pk,
'last_date': self.get_last_date(mail_list.pk).strftime("%Y-%m-%d %H:%M:%S %Z"),
}
class MailmanSubscribers(ServiceMonitor):
model = 'lists.List'
verbose_name = _("Mailman subscribers")
def monitor(self, mail_list):
context = self.get_context(mail_list)
self.append('echo %(object_id)i $(list_members %(list_name)s | wc -l)' % context)
def get_context(self, mail_list):
return {
'list_name': mail_list.name,
'object_id': mail_list.pk,
}