erp5: remove ipv6 hack for ZEO partition

We now use a version of ZEO that support ipv6 natively so this is useless.

Although TIDStorage only supports ipv4, it's easier and better to fix TIDStorage
rather than maintaining such hack in SlapOS.

stack/erp5/buildout.cfg

@@ -217,7 +217,7 @@ md5sum = e40e2e39f4941c6372f4357e8589a5cf
 # XXX: "template.cfg" is hardcoded in instanciation recipe
 filename = template.cfg
 template = ${:_profile_base_location_}/instance.cfg.in
-md5sum = 0933c874f99e6ffb36e390729ddd89a0
+md5sum = 79bc92c8d6ad75e78b901e96c8804314
 extra-context =
     key mariadb_link_binary template-mariadb:link-binary
     key zope_link_binary template-zope:link-binary
@@ -293,12 +293,12 @@ md5sum = 386f5f15d71636f855f22201d38367e5
 [template-zeo]
 < = download-base
 filename = instance-zeo.cfg.in
-md5sum = 651fa2ec2feb768e339936b7855774ca
+md5sum = 6bf4c5f7f476d420b2429dd0eca8ec0b
 
 [template-zope]
 < = download-base
 filename = instance-zope.cfg.in
-md5sum = 7f185192e0536ecacc403cf6b1736d2d
+md5sum = 5ffaadfb2d465cba53bcbc4287df041e
 link-binary =
   ${aspell:location}/bin/aspell
   ${coreutils:location}/bin/basename

stack/erp5/instance-zeo.cfg.in

-{% set use_ipv6 = slapparameter_dict.get('use-ipv6', False) -%}
 {% set next_port = slapparameter_dict['tcpv4-port'] -%}
 {% set part_list = [] -%}
 {% set storage_dict = {} -%}
@@ -9,10 +8,6 @@
 {% set zodb_backup_path = buildout_directory ~ '/srv/backup/zodb' -%}
 {% set default_tidstorage_timestamp_path = buildout_directory ~ '/srv/backup/tidstorage' -%}
 {% macro section(name) %}{% do part_list.append(name) %}{{ name }}{% endmacro -%}
-{#
-XXX: This template only supports exactly one IPv6 per
-partition. No more (undefined result), no less (IndexError).
--#}
 {% set ipv4 = (ipv4_set | list)[0] -%}
 {% set tidstorage_ip = ipv4 -%}
 {% set tidstorage_port = 6001 -%}
@@ -32,17 +27,6 @@ wrapper-path = ${directory:services}/${:base-name}
 binary-path = {{ bin_directory }}/runzeo
 ip = {{ ipv4 }}
 
-{% if use_ipv6 -%}
-{% set ipv6 = (ipv6_set | list)[0] -%}
-[ipv6toipv4-base]
-recipe = slapos.cookbook:ipv6toipv4
-runner-path = ${directory:services}/${:base-name}
-6tunnel-path = {{ parameter_dict['6tunnel'] }}/bin/6tunnel
-shell-path = {{ parameter_dict['dash'] }}/bin/dash
-ipv4 = {{ ipv4 }}
-ipv6 = {{ ipv6 }}
-{% endif -%}
-
 {% set backup_directory_list = [] -%}
 {% for export_id, mountpoint_dict in slapparameter_dict['zodb-dict'].items() -%}
 {%   do storage_dict.setdefault(
@@ -101,23 +85,7 @@ hostname = {{ "${" ~ zeo_section_name ~ ":ip}" }}
 port = {{ next_port }}
 path = ${directory:promises}/zeo-{{ storage_family }}
 
-{%   if use_ipv6 -%}
-{%     set address = '[' ~ ipv6 ~ ']:' ~ next_port -%}
-{%     set tunnel_section_name = zeo_section_name ~ "-tunnel" -%}
-[{{ tunnel_section_name }}]
-< = ipv6toipv4-base
-base-name = zeo-tunnel-{{ storage_family }}
-ipv6-port = {{ next_port }}
-ipv4-port = {{ next_port }}
-
-[{{ section(tunnel_section_name ~ "-promise") }}]
-recipe = slapos.cookbook:check_port_listening
-hostname = {{ "${" ~ tunnel_section_name ~ ":ipv6}" }}
-port = {{ next_port }}
-path = ${directory:promises}/zeo-tunnel-{{ storage_family }}
-{%   else -%}
 {%   set address = ipv4 ~ ':' ~ next_port -%}
-{%   endif -%}
 {%   for export in export_list -%}
 {%     do zodb_dict[export[0]][2].__setitem__('server', address) -%}
 {%   endfor -%}
@@ -147,20 +115,6 @@ hostname = ${tidstorage:ip}
 port = ${tidstorage:port}
 path = ${directory:promises}/tidstorage
 
-{%  if use_ipv6 -%}
-[tidstorage-tunnel]
-< = ipv6toipv4-base
-base-name = tidstorage-tunnel
-ipv4-port = ${tidstorage:port}
-ipv6-port = ${tidstorage:port}
-
-[{{ section("promise-tidstorage-tunnel") }}]
-recipe = slapos.cookbook:check_port_listening
-hostname = ${tidstorage-tunnel:ipv6}
-port = ${tidstorage-tunnel:ipv6-port}
-path = ${directory:promises}/tidstorage
-{% endif -%}
-
 [{{ section("cron-entry-tidstorage-backup") }}]
 # TODO:
 # - configurable full/incremental
@@ -194,23 +148,14 @@ post = {{ bin_directory }}/slapos-kill --pidfile ${tidstorage:pidfile-name} -s H
 [tidstorage]
 ip =
 port =
-
-[tidstorage-tunnel]
-ipv6 =
-ipv6-port =
 {% endif -%}
 
 [publish]
 recipe = slapos.cookbook:publish.serialised
 zodb-storage-type = zeoclient
 zodb-dict = {{ dumps(zodb_dict) }}
-{% if use_ipv6 -%}
-tidstorage-ip = ${tidstorage-tunnel:ipv6}
-tidstorage-port = ${tidstorage-tunnel:ipv6-port}
-{% else -%}
 tidstorage-ip = ${tidstorage:ip}
 tidstorage-port = ${tidstorage:port}
-{% endif -%}
 
 [directory]
 recipe = slapos.cookbook:mkdirectory

stack/erp5/instance-zope.cfg.in

@@ -100,49 +100,6 @@ wrapper = ${directory:services}/ca
 
 {% if use_ipv6 -%}
 {%   set ipv6 = (ipv6_set | list)[0] -%}
-[zeo-tunnel-base]
-recipe = slapos.cookbook:ipv4toipv6
-runner-path = ${directory:services}/${:base-name}
-6tunnel-path = {{ parameter_dict['6tunnel'] }}/bin/6tunnel
-shell-path = {{ parameter_dict['dash'] }}/bin/dash
-ipv4 = {{ ipv4 }}
-
-{%   if storage_type == 'zeoclient' -%}
-{#     ZEO needs tunelling for IPv6 (...until next version becomes current in Zope) -#}
-{%     set zeo_tunneling_dict = {} -%}
-{%     for _, _, storage_dict in zodb_dict.values() -%}
-{%       set storage_server = storage_dict['server'] -%}
-{%       if storage_server not in zeo_tunneling_dict -%}
-{%         set current_port = next_port + (zeo_tunneling_dict | length) -%}
-{%         do zeo_tunneling_dict.__setitem__(storage_server, current_port) -%}
-[{{ section('zeo-tunnel-' ~ current_port) }}]
-< = zeo-tunnel-base
-base-name = {{ 'zeo-tunnel-' ~ current_port }}
-ipv4-port = {{ current_port }}
-ipv6-port = {{ storage_server.split(']:')[1] }}
-ipv6 = {{ storage_server.split(']:')[0][1:] }}
-{%       endif -%}
-{%       do storage_dict.__setitem__('server', '' ~ ipv4 ~ ':' ~ zeo_tunneling_dict[storage_server]) -%}
-{%     endfor -%}
-{%     set next_port = next_port + (zeo_tunneling_dict | length) -%}
-{%   endif -%}
-{%   if slapparameter_dict.get('tidstorage-ip') -%}
-[tidstorage-tunnel]
-< = zeo-tunnel-base
-base-name = tidstorage-tunnel
-ipv4-port = {{ next_port }}
-ipv6 = {{ dumps(slapparameter_dict.get('tidstorage-ip')) }}
-ipv6-port = {{ dumps(slapparameter_dict.get('tidstorage-port')) }}
-{%     do slapparameter_dict.__setitem__('tidstorage-ip', ipv4) -%}
-{%     do slapparameter_dict.__setitem__('tidstorage-port', next_port) -%}
-{%     set next_port = next_port + 1 -%}
-
-[{{ section("promise-tidstorage-tunnel") }}]
-recipe = slapos.cookbook:check_port_listening
-hostname = ${tidstorage-tunnel:ipv4}
-port = ${tidstorage-tunnel:ipv4-port}
-path = ${directory:promises}/tidstorage
-{%   endif -%}
 
 [ipv6toipv4-base]
 recipe = slapos.cookbook:ipv6toipv4

stack/erp5/instance.cfg.in

@@ -92,8 +92,6 @@ extra-context =
 
 [dynamic-template-zeo-parameters]
 buildout-bin-directory = {{ buildout_bin_directory }}
-6tunnel = {{ sixtunnel_location }}
-dash = {{ dash_location }}
 findutils-location = {{ findutils_location }}
 
 [dynamic-template-zeo]