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 = ['# %(banner)s' % context] 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 '%(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 '%(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) if mail_list.active: self.append('chmod 775 %(mailman_root)s/lists/%(name)s' % context) else: self.append('chmod 000 %(mailman_root)s/lists/%(name)s' % 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(""" if [[ $UPDATED_VIRTUAL_ALIAS == 1 ]]; then postmap %(virtual_alias)s fi if [[ $UPDATED_VIRTUAL_ALIAS_DOMAINS == 1 ]]; then /etc/init.d/postfix reload fi""") % 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, }