Hi,
I run nginx in a CentOS 7.0 container via systemd-nspawn. nginx logs
to stderr/stdout via configuration to capture logs via journald.
nginx.conf
error_log /dev/stderr warn;
If I use systemd 219-1 (-1 is the package number of Arch Linux) which
seems to be a non-patched systemd 219, everything is fine. If I
upgrade to systemd 219-6, nginx cannot be started via systemd-nspawn.
systemd 219-6 includes this patch
"https://projects.archlinux.org/svntogit/packages.git/tree/repos/core-x86_64/0001-nspawn-when-connected-to-pipes-for-stdin-stdout-pass.patch?h=packages/systemd";. BTW: I see the same error if I use
systemd-git-HEAD.
I see the following errors in journal - I tried bot "stderr" and "stdout".
Apr 24 04:48:12 server systemd-nspawn[421]: nginx: [emerg] open()
"/dev/stdout" failed (6: No such device or address)
Apr 24 04:48:45 server systemd-nspawn[496]: nginx: [emerg] open()
"/dev/stderr" failed (6: No such device or address)
If I run the container with
sudo /usr/bin/systemd-nspawn --register=no -M docker-centos-nginx
And check if the device exists, everything looks fine:
[root@docker-centos-nginx ~]# ls -al /dev/stderr
lrwxrwxrwx 1 root root 15 Apr 24 09:51 /dev/stderr -> /proc/self/fd/2
[root@docker-centos-nginx ~]# ls -al /dev/stdout
lrwxrwxrwx 1 root root 15 Apr 24 09:51 /dev/stdout -> /proc/self/fd/1
[root@docker-centos-nginx ~]# echo "asdf" > /dev/stdout
asdf
[root@docker-centos-nginx ~]# echo "asdf" > /dev/stderr
asdf
Journal:
Apr 24 00:00:05 server systemd[1]: Stopping Webservice for server...
Apr 24 00:00:05 server systemd-nspawn[23539]: Container
docker-centos-nginx terminated by signal KILL.
Apr 24 00:00:05 server systemd[1]: nginx@server.service: main
process exited, code=exited, status=1/FAILURE
Apr 24 00:00:05 server systemd[1]: Unit nginx@server.service
entered failed state.
Apr 24 00:00:05 server systemd[1]: nginx@server.service failed.
Apr 24 00:00:06 server systemd[1]: Started Webservice for server.
Apr 24 00:00:06 server systemd[1]: Starting Webservice for server...
Apr 24 00:00:06 server systemd[1]: Stopping Webservice for server...
Apr 24 00:00:06 server systemd[1]: Started Webservice for server.
Apr 24 00:00:06 server systemd[1]: Starting Webservice for server...
Apr 24 00:00:07 server systemd-nspawn[11016]: Spawning container
docker-centos-nginx on
/var/lib/machines/.#docker-centos-nginxb8dda432a4303288.
Apr 24 00:00:07 server systemd-nspawn[11016]: Press ^] three times
within 1s to kill container.
Apr 24 04:43:31 server systemd[1]: Stopping Webservice for server...
Apr 24 04:43:31 server systemd-nspawn[11016]: Container
docker-centos-nginx terminated by signal KILL.
Apr 24 04:43:31 server systemd[1]: nginx@server.service: main
process exited, code=exited, status=1/FAILURE
Apr 24 04:43:31 server systemd[1]: Stopped Webservice for server.
Apr 24 04:43:31 server systemd[1]: Unit nginx@server.service
entered failed state.
Apr 24 04:43:31 server systemd[1]: nginx@server.service failed.
-- Reboot --
Apr 24 04:47:07 server systemd-nspawn[238]: nginx: [emerg] open()
"/dev/stdout" failed (6: No such device or address)
Apr 24 04:48:08 server systemd-nspawn[392]: nginx: [emerg] open()
"/dev/stdout" failed (6: No such device or address)
Apr 24 04:48:12 server systemd-nspawn[421]: nginx: [emerg] open()
"/dev/stdout" failed (6: No such device or address)
Apr 24 04:48:45 server systemd-nspawn[496]: nginx: [emerg] open()
"/dev/stderr" failed (6: No such device or address)
Any idea how to solve this issue?
/pp
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