log are sent only for one virtual domain.

[artakami]

Scenario
two virtualhosts configured on apache for the same domain: http and https
log_gelf_module forwards only 301 requests (logs from http virtualhost) to Graylog server. logs from https virtoaulhost don not get forwarded to GrayLog

below is the apache server config.

/etc/httpd/conf.modules.d/02-gelf.conf

LoadModule log_gelf_module /usr/lib64/httpd/modules/mod_log_gelf.so
GelfEnabled On
GelfUrl "udp://172.21.0.4:12201"
GelfSource "myserver.am"
GelfFacility "apache-gelf"
GelfTag "apache_all"
GelfCookie "tracking"
GelfFields "ABDhImsvRti"

1. <VirtualHost *:80> -- for forwarding requests to https

*<VirtualHost :80>
...
ServerName www.myserver.am
...
RewriteEngine on
RewriteCond %{SERVER_NAME} =www.myserver.am
RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]

2. <VirtualHost *:443> -- main virtualhost

**** ServerName www.myserver.am ...