[PATCH] correct xend initscript dependency in LSB part

[PATCH] correct xend initscript dependency in LSB part

[Olaf Hering]

Add missing dependencies to runlevel script
xend requires at least xenstored

Signed-off-by: Olaf Hering <olaf@aepfle.de>

--- xen-unstable.hg-4.1.21836.orig/tools/hotplug/Linux/init.d/xend
+++ xen-unstable.hg-4.1.21836/tools/hotplug/Linux/init.d/xend
@@ -8,9 +8,9 @@
 # description: Starts and stops the Xen control daemon.
 ### BEGIN INIT INFO
 # Provides:          xend
-# Required-Start:    $syslog $remote_fs
+# Required-Start:    $syslog $remote_fs xenstored
 # Should-Start:
-# Required-Stop:     $syslog $remote_fs
+# Required-Stop:     $syslog $remote_fs xenstored
 # Should-Stop:
 # Default-Start:     3 4 5
 # Default-Stop:      0 1 2 6

Re: [PATCH] correct xend initscript dependency in LSB part

[Conny Seidel]

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Hi,

On Fri, 23 Jul 2010 08:21:20 -0400
Olaf Hering <olaf@aepfle.de> wrote:

>Add missing dependencies to runlevel script
>xend requires at least xenstored

This change only makes sense, if there is a /etc/init.d/xenstored
init-script, which I wasn't able to find in the sources.

It would be useful to change this to xencommons, which is mentioned when
running the xend-script manual.

 # /etc/init.d/xend start
 xencommons should be started first.
 # /etc/init.d/xencommons start
 Starting xenstored...
 Setting domain 0 name...
 Starting xenconsoled...
 # /etc/init.d/xend start
 #

regards,
Conny Seidel

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Re: [PATCH] correct xend initscript dependency in LSB part

[Ian Jackson]

Conny Seidel writes ("Re: [Xen-devel] [PATCH] correct xend initscript dependency in LSB part"):
> This change only makes sense, if there is a /etc/init.d/xenstored
> init-script, which I wasn't able to find in the sources.

As I understand it, Required-Start names services which are listed in
the Provides of another init script, not the other script name directly.
Is that not true ?  Perhaps you'd like to give chapter and verse from
the LSB spec.

Ian.

Re: [PATCH] correct xend initscript dependency in LSB part

[Olaf Hering]

On Fri, Jul 30, Conny Seidel wrote:

> Hi,
> 
> On Fri, 23 Jul 2010 08:21:20 -0400
> Olaf Hering <olaf@aepfle.de> wrote:
> 
> >Add missing dependencies to runlevel script
> >xend requires at least xenstored
> 
> This change only makes sense, if there is a /etc/init.d/xenstored
> init-script, which I wasn't able to find in the sources.

The Required/Should-Start lines reference Provides lines in other
runlevel scripts, so that tools which actually create the runlevel links
and their numbers can get the ordering right.

Do you see any issues with my change?

Olaf

Re: [PATCH] correct xend initscript dependency in LSB part

[Olaf Hering]

On Fri, Jul 30, Conny Seidel wrote:

> On Fri, 30 Jul 2010 10:11:01 -0400
> Ian Jackson <Ian.Jackson@eu.citrix.com> wrote:
> 
> >As I understand it, Required-Start names services which are listed in
> >the Provides of another init script, not the other script name directly.
> >Is that not true ?  Perhaps you'd like to give chapter and verse from
> >the LSB spec.
> 
> >Ian.
> 
> Ouch, you are right on the LSB conformity. Sorry my bad.
> 
> But if I get an error message like this:
>  # chkconfig xend on
>  insserv: Service xenstored has to be enabled for service xend
>  insserv: exiting now!
>  /sbin/insserv failed, exit code 1
> 
> I would assume that I need to start /etc/init.d/xenstored.

insserv does not automatically enable all dependencies.
An 'insserv xencommons' is required first.

Olaf

Re: [PATCH] correct xend initscript dependency in LSB part

[Conny Seidel]

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On Fri, 30 Jul 2010 10:11:01 -0400
Ian Jackson <Ian.Jackson@eu.citrix.com> wrote:

>As I understand it, Required-Start names services which are listed in
>the Provides of another init script, not the other script name directly.
>Is that not true ?  Perhaps you'd like to give chapter and verse from
>the LSB spec.

>Ian.

Ouch, you are right on the LSB conformity. Sorry my bad.

But if I get an error message like this:
 # chkconfig xend on
 insserv: Service xenstored has to be enabled for service xend
 insserv: exiting now!
 /sbin/insserv failed, exit code 1

I would assume that I need to start /etc/init.d/xenstored.



Conny

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Re: [PATCH] correct xend initscript dependency in LSB part

[Ian Jackson]

Conny Seidel writes ("Re: [Xen-devel] [PATCH] correct xend initscript dependency in LSB part"):
> Ouch, you are right on the LSB conformity. Sorry my bad.
> 
> But if I get an error message like this:
>  # chkconfig xend on
>  insserv: Service xenstored has to be enabled for service xend
>  insserv: exiting now!
>  /sbin/insserv failed, exit code 1
> 
> I would assume that I need to start /etc/init.d/xenstored.

I don't see what we can do about this.  The xencommons script does
more than xenstored - hence the name.  We can't change the Requires to
refer to xencommons because it won't work.

I think you need to take the unhelpfulness of the error message up
with the maintainers of insserv.

Ian.