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[docker-compose] syslog() not work

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  [docker-compose] syslog() not work Custom Log <custom@log.abc> - 2022-12-24 12:18 +0100
    Re: [docker-compose] syslog() not work Custom Log <custom@log.abc> - 2022-12-24 13:03 +0100
    Re: [docker-compose] syslog() not work "J.O. Aho" <user@example.net> - 2022-12-24 23:29 +0100
      Re: [docker-compose] syslog() not work Custom Log <custom@log.abc> - 2022-12-28 13:13 +0100
        Re: [docker-compose] syslog() not work "J.O. Aho" <user@example.net> - 2022-12-28 22:12 +0100
          Re: [docker-compose] syslog() not work ThE sUn <angel00000100000@mail.ee> - 2022-12-28 21:27 -0800

#19217 — [docker-compose] syslog() not work

$ 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
OK!!!

$ journalctl -n | grep ABC || echo NOT FOUND
NOT FOUND

Why?

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#19219

Il 24/12/22 12:18, Custom Log ha scritto:
> ...

Small correction

+ cat docker-compose.yml
services:
     web:
         image: php:apache
         extra_hosts:
             -  "host1:192.168.1.15"
         #network_mode: host
         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");'
Creating host_web_run ... done
Error response from daemon: failed to initialize logging driver: dial 
udp: lookup host1: Temporary failure in name resolution
ERROR: 1

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#19221

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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#19226

Il 24/12/22 23:29, J.O. Aho ha scritto:
> 
> Configure docker is generally thought as off topic as it's nothing to do 
> with PHP.

A newsgroup suitable for talking about docker configuration?

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#19231

On 28/12/2022 13.13, Custom Log wrote:
> Il 24/12/22 23:29, J.O. Aho ha scritto:
>>
>> Configure docker is generally thought as off topic as it's nothing to 
>> do with PHP.
> 
> A newsgroup suitable for talking about docker configuration?

They supply unpaid "support" over web based forums, as most of those 
people are born after 2k and only know how a browser works, 
https://forums.docker.com

-- 
  //Aho

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#19232

Have a nice day......


🌞


On Wednesday, December 28, 2022 at 11:12:27 PM UTC+2, J.O. Aho wrote:
> On 28/12/2022 13.13, Custom Log wrote: 
> > Il 24/12/22 23:29, J.O. Aho ha scritto: 
> >> 
> >> Configure docker is generally thought as off topic as it's nothing to 
> >> do with PHP. 
> > 
> > A newsgroup suitable for talking about docker configuration?
> They supply unpaid "support" over web based forums, as most of those 
> people are born after 2k and only know how a browser works, 
> https://forums.docker.com 
> 
> -- 
> //Aho

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