On 24/12/2022 12.18, Custom Log wrote:
$ sudo ls -la /proc/$(pidof rsyslogd)/fd
totale 0
dr-x------ 2 root root 0 dic 23 08:54 .
dr-xr-xr-x 9 syslog syslog 0 dic 23 08:54 ..
lr-x------ 1 root root 64 dic 23 20:54 0 -> /dev/null
l-wx------ 1 root root 64 dic 23 20:54 1 -> /dev/null
l-wx------ 1 root root 64 dic 23 20:54 2 -> /dev/null
lrwx------ 1 root root 64 dic 23 08:54 3 -> 'socket:[19540]' lr-x------ 1 root root 64 dic 23 20:54 4 -> /dev/urandom
lr-x------ 1 root root 64 dic 23 20:54 5 -> /proc/kmsg
lrwx------ 1 root root 64 dic 23 20:54 6 -> 'socket:[29286]' l-wx------ 1 root root 64 dic 23 20:54 7 -> /var/log/syslog l-wx------ 1 root root 64 dic 23 20:54 8 -> /var/log/kern.log l-wx------ 1 root root 64 dic 23 20:54 9 -> /var/log/auth.log
$ netstat -x | grep 19540
unix 2 [ ] DGRAM 19540
/run/systemd/journal/syslog
$ cat docker-compose.override.yml
services:
web:
image: php:apache
extra_hosts:
- "host1:192.168.1.15"
logging:
driver: syslog
options:
syslog-address: "udp://host1:19540"
tag: "{{.Name}}/{{.ID}}"
$ docker-compose run web php -r 'syslog(LOG_ERR, "ABC") &&
print("OK!!!\n");'
WARNING: Found orphan containers (window-resources_window-resources_1)
for this project. If you removed or renamed this service in your compose file, you can run this command with the --remove-orphans flag to clean
it up.
Creating window-resources_web_run ... done
This for you moved or deleted a composer file in another directory.
OK!!!
$ journalctl -n | grep ABC || echo NOT FOUND
NOT FOUND
Why?
For a socket ain't a udp or tcp port, it's a file, you need to share the
socket file from the host into the docker image and then from within the
docker access that socket file.
Check volumes in the docker-compose documentation.
Configure docker is generally thought as off topic as it's nothing to do
with PHP.
--
//Aho
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