stack/erp5: Setup postfix logging.

Direct logs to instance's var/log and call postfix's logrotate command,
instead of the slapos-hostile syslog.
Unfortunately, rotated logs will stay in that directory, unlike the
de-facto standard for slapos.

stack/erp5/buildout.hash.cfg

@@ -50,15 +50,15 @@ md5sum = f928b9dc99f7f970caadfe7dd6f95d34
 
 [template-postfix]
 filename = instance-postfix.cfg.in
-md5sum = 88224e294b0361841614f4a31fc901c7
+md5sum = 8f7bfca893a01c390df7a3dc9c2410e1
 
 [template-postfix-master-cf]
 filename = postfix_master.cf.in
-md5sum = 9ac81647368068a1a98a785d08074b43
+md5sum = ef164517e3f7170d03499967d625c3bb
 
 [template-postfix-main-cf]
 filename = postfix_main.cf.in
-md5sum = f79ef8355c9f9950bc2cb17b52bc49fb
+md5sum = e9f03c66627beb4054d45123450162d2
 
 [template-postfix-aliases]
 filename = postfix_aliases.in
@@ -70,7 +70,7 @@ md5sum = b95084ae9eed95a68eada45e28ef0c04
 
 [template]
 filename = instance.cfg.in
-md5sum = 5747c487edd721d8a53061392307b55f
+md5sum = 2cf8721b82767c2461b5c847d281ae7b
 
 [template-erp5]
 filename = instance-erp5.cfg.in

stack/erp5/instance-postfix.cfg.in

@@ -36,6 +36,7 @@ bin = ${buildout:directory}/bin
 usr = ${buildout:directory}/usr
 srv = ${buildout:directory}/srv
 var = ${buildout:directory}/var
+var-log = ${:var}/log
 var-lib = ${:var}/lib
 var-lib-postfix = ${:var-lib}/postfix
 var-spool = ${:var}/spool
@@ -92,6 +93,7 @@ relayhost = {{ dumps(relay.get('host')) }}
 relay-sasl-credential = {{ dumps(relay.get('sasl-credential')) }}
 cyrus-sasldb = ${directory:etc-cyrus}/postfix.gdbm
 milter-list = {{ dumps(milter_list) }}
+xz-utils-location = {{ dumps(parameter_dict['xz-utils-location']) }}
 
 [userinfo]
 recipe = slapos.cookbook:userinfo
@@ -141,6 +143,16 @@ command =
 update =
   ${:openssl} req -newkey rsa -batch -new -x509 -days 3650 -nodes -keyout '${:key}' -out '${:cert}'
 
+[{{ section('postfix-logrotate') }}]
+recipe = slapos.cookbook:cron.d
+cron-entries = ${cron:cron-entries}
+name = postfix-logrotate
+frequency = 0 0 * * *
+command = ${directory:bin}/postfix logrotate
+
+[postfix-main-cf-parameter]
+postfix-location = {{ parameter_dict['postfix-location'] }}
+
 [{{ section('postfix-main-cf') }}]
 < = jinja2-template-base
 output = ${directory:etc-postfix}/main.cf
@@ -163,6 +175,8 @@ context =
     key key smtpd-ssl:key
     key dh_512 smtpd-ssl:dh-512
     key dh_2048 smtpd-ssl:dh-2048
+    key log_directory directory:var-log
+    key xz_utils_location configuration:xz-utils-location
     key postfix_location postfix-main-cf-parameter:postfix-location
     key etc_postfix directory:etc-postfix
 

stack/erp5/instance.cfg.in

@@ -15,6 +15,7 @@ postfix-location = {{ postfix_location }}
 template-postfix-aliases = {{ template_postfix_aliases }}
 template-postfix-main-cf = {{ template_postfix_main_cf }}
 template-postfix-master-cf = {{ template_postfix_master_cf }}
+xz-utils-location =  {{ xz_utils_location }}
 
 [dynamic-template-postfix]
 < = jinja2-template-base

stack/erp5/postfix_main.cf.in

@@ -71,3 +71,7 @@ smtp_sasl_auth_enable = yes
 smtp_sasl_password_maps = {{ sasl_passwd }}
 smtp_sasl_tls_security_options = noanonymous
 {%- endif %}
+
+maillog_file = {{ log_directory }}/postfix.log
+maillog_file_compressor = {{ xz_utils_location }}/bin/xz
+maillog_file_prefixes = {{ log_directory }}

stack/erp5/postfix_master.cf.in

@@ -27,3 +27,4 @@ virtual   unix  -       n       n       -       -       virtual
 lmtp      unix  -       -       n       -       -       lmtp
 anvil     unix  -       -       n       -       1       anvil
 scache    unix  -       -       n       -       1       scache
+postlog   unix-dgram n  -       n       -       1       postlogd