Add Json logger

data/Dockerfiles/postfix/Dockerfile

@@ -19,6 +19,7 @@ RUN apt-get install -y --no-install-recommends supervisor \
 	postfix-pcre \
 	syslog-ng \
 	syslog-ng-core \
+    syslog-ng-mod-redis \
 	ca-certificates \
 	gnupg \
 	python-gpgme \
@@ -29,11 +30,13 @@ RUN apt-get install -y --no-install-recommends supervisor \
 RUN addgroup --system --gid 600 zeyple
 RUN adduser --system --home /var/lib/zeyple --no-create-home --uid 600 --gid 600 --disabled-login zeyple
 RUN touch /var/log/zeyple.log && chown zeyple: /var/log/zeyple.log
-RUN sed -i -E 's/^(\s*)system\(\);/\1unix-stream("\/dev\/log");/' /etc/syslog-ng/syslog-ng.conf
+
+RUN touch /etc/default/locale
 
 COPY zeyple.py /usr/local/bin/zeyple.py
 COPY zeyple.conf /etc/zeyple.conf
 COPY supervisord.conf /etc/supervisor/supervisord.conf
+COPY syslog-ng.conf /etc/syslog-ng/syslog-ng.conf
 COPY postfix.sh /opt/postfix.sh
 COPY whitelist_forwardinghosts.sh /usr/local/bin/whitelist_forwardinghosts.sh
 

data/Dockerfiles/postfix/supervisord.conf

@@ -12,7 +12,7 @@ command=/opt/postfix.sh
 autorestart=true
 
 [program:postfix-maillog]
-command=/bin/tail -f /var/log/zeyple.log /var/log/mail.log
+command=/bin/tail -f /var/log/zeyple.log /var/log/combined.log
 stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 

data/Dockerfiles/postfix/syslog-ng.conf

@@ -0,0 +1,31 @@
+@version: 3.8
+@include "scl.conf"
+options {
+  chain_hostnames(off);
+  flush_lines(0);
+  use_dns(no);
+  use_fqdn(no);
+  owner("root"); group("adm"); perm(0640);
+  stats_freq(0);
+  bad_hostname("^gconfd$");
+};
+source s_src {
+  unix-stream("/dev/log");
+  internal();
+};
+
+destination d_combined { file("/var/log/combined.log"); };
+destination d_redis {
+  redis(
+    host("redis-mailcow")
+    port(6379)
+    command("LPUSH" "POSTFIX_MAILLOG" "$(format-json time=\"$S_UNIXTIME\" priority=\"$PRIORITY\" program=\"$PROGRAM\" message=\"$MESSAGE\")\n")
+  );
+};
+filter f_mail { facility(mail) and not filter(f_debug); };
+log {
+  source(s_src);
+  destination(d_combined);
+  filter(f_mail);
+  destination(d_redis);
+};