CentOS - Jun 2015 - daemon in /etc/init.d/functions creates no pifile?

Hi,

we started using centos7 to run kvm+libvirt.
For novnc to virtual machines I like to start
websockify as a daemon by libvirt (as a hook)

Under Debian I used the line:
 # start-stop-daemon --start --chuid $RUNUSER --make-pidfile --pidfile $PIDFILE
--startas $PROGRAM -- $OPTIONS
which creates a nice pidfile.

In Centos I figured out, to include /etc/init.d/functions and I tried:
 # daemon --user $RUNUSER --pidfile=$PIDFILE $PROGRAM $OPTIONS

But this seems not to create a pidfile at all. It checks only if
a pidile exist already.
This is executed at the end
 # $cgroup $nice runuser -s /bin/bash $user -c "$corelimit >/dev/null
2>&1 ; $*"

Am I missed something?

Thanks,

Sebastian
-- 
Sebastian Kotthoff
Rechenzentrum
Universit?t Mannheim
B6, 23-29; Building B; Room 1.10
68159 Mannheim

Tel: +49 621 181 2516
Fax: +49 621 181 2682

OK, I figured out, I have to install
redhat-lsb package for start-stop-daemon
"Implementation of Linux Standard Base specification"

Thanks,

Sebastian
On Tue, Jun 02, 2015 at 11:06:59AM +0200, skotthof
wrote:
> Hi,
> 
> we started using centos7 to run kvm+libvirt.
> For novnc to virtual machines I like to start
> websockify as a daemon by libvirt (as a hook)
> 
> Under Debian I used the line:
>  # start-stop-daemon --start --chuid $RUNUSER --make-pidfile --pidfile
$PIDFILE --startas $PROGRAM -- $OPTIONS
> which creates a nice pidfile.
> 
> In Centos I figured out, to include /etc/init.d/functions and I tried:
>  # daemon --user $RUNUSER --pidfile=$PIDFILE $PROGRAM $OPTIONS
> 
> But this seems not to create a pidfile at all. It checks only if
> a pidile exist already.
> This is executed at the end
>  # $cgroup $nice runuser -s /bin/bash $user -c "$corelimit
>/dev/null 2>&1 ; $*"
> 
> Am I missed something?
> 
> Thanks,
> 
> Sebastian
> -- 
> Sebastian Kotthoff
> Rechenzentrum
> Universit?t Mannheim
> B6, 23-29; Building B; Room 1.10
> 68159 Mannheim
> 
> Tel: +49 621 181 2516
> Fax: +49 621 181 2682 
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos

-- 
Sebastian Kotthoff
Rechenzentrum
Universit?t Mannheim
B6, 23-29; Building B; Room 1.10
68159 Mannheim

Tel: +49 621 181 2516
Fax: +49 621 181 2682

using systemd unit templates seems to be even a better idea,
I'm using that now. Let systemd handle that stuff is more easy.

 # cat /etc/libvirt/hooks/qemu
---------------
#!/bin/bash

DOMAIN=$1
ACTION=$2
RUNUSER="websockify"

case "$ACTION" in
       "start" )
               exec systemctl start websockify@$DOMAIN.service;;
        "stopped" )
               exec systemctl stop websockify@$DOMAIN.service;;
esac
---------------

 # cat /etc/systemd/system/websockify\@.service 
[Unit]
Description=Start Websockify + novnc for %i

[Service]
#User=websockify
ExecStart=/etc/libvirt/hooks/start_websockify.sh %i


On Tue, Jun 02, 2015 at 11:06:59AM +0200, skotthof
wrote:
> Hi,
> 
> we started using centos7 to run kvm+libvirt.
> For novnc to virtual machines I like to start
> websockify as a daemon by libvirt (as a hook)
> 
> Under Debian I used the line:
>  # start-stop-daemon --start --chuid $RUNUSER --make-pidfile --pidfile
$PIDFILE --startas $PROGRAM -- $OPTIONS
> which creates a nice pidfile.
> 
> In Centos I figured out, to include /etc/init.d/functions and I tried:
>  # daemon --user $RUNUSER --pidfile=$PIDFILE $PROGRAM $OPTIONS
> 
> But this seems not to create a pidfile at all. It checks only if
> a pidile exist already.
> This is executed at the end
>  # $cgroup $nice runuser -s /bin/bash $user -c "$corelimit
>/dev/null 2>&1 ; $*"
> 
> Am I missed something?
> 
> Thanks,
> 
> Sebastian
> -- 
> Sebastian Kotthoff
> Rechenzentrum
> Universit?t Mannheim
> B6, 23-29; Building B; Room 1.10
> 68159 Mannheim
> 
> Tel: +49 621 181 2516
> Fax: +49 621 181 2682 
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos

-- 
Sebastian Kotthoff
Rechenzentrum
Universit?t Mannheim
B6, 23-29; Building B; Room 1.10
68159 Mannheim

Tel: +49 621 181 2516
Fax: +49 621 181 2682

skotthof wrote:
>
> OK, I figured out, I have to install
> redhat-lsb package for start-stop-daemon
> "Implementation of Linux Standard Base specification"
>
> Sebastian
> On Tue, Jun 02, 2015 at 11:06:59AM +0200, skotthof wrote:
>> Hi,
>>
>> we started using centos7 to run kvm+libvirt.
>> For novnc to virtual machines I like to start
>> websockify as a daemon by libvirt (as a hook)
>>
>> Under Debian I used the line:
>>  # start-stop-daemon --start --chuid $RUNUSER --make-pidfile --pidfile
>> $PIDFILE --startas $PROGRAM -- $OPTIONS
>> which creates a nice pidfile.
>>
>> In Centos I figured out, to include /etc/init.d/functions and I tried:
>>  # daemon --user $RUNUSER --pidfile=$PIDFILE $PROGRAM $OPTIONS
<snip>

Sorry I missed the beginning of this thread. You are using (CentOS 6)
service blablah start, or (CentOS 7) systemctl start blahblah, yes?

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