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* test: make passt.mbuto script more robust
@ 2023-12-11 18:50 Jon Maloy
  2023-12-11 20:39 ` Stefano Brivio
  0 siblings, 1 reply; 4+ messages in thread
From: Jon Maloy @ 2023-12-11 18:50 UTC (permalink / raw)
  To: passt-dev, sbrivio, lvivier, dgibson, jmaloy

From: Jon Paul Maloy <jmaloy@redhat.com>

Creation of a symbolic link from /sbin to /usr/sbin fails if /sbin
exists and is non-empty. This is the case on Ubuntu-23.04.

We fix this by removing /sbin before creating the link.

Signed-off-by: Jon Maloy <jmaloy@redhat.com>
---
 test/passt.mbuto | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/passt.mbuto b/test/passt.mbuto
index 90816d2..12d7f50 100755
--- a/test/passt.mbuto
+++ b/test/passt.mbuto
@@ -26,6 +26,8 @@ DIRS="${DIRS} /tmp /sbin /usr/share /var/log /var/lib /etc/ssh /run/sshd /root/.
 COPIES="${COPIES} small.bin,/root/small.bin medium.bin,/root/medium.bin big.bin,/root/big.bin"
 
 FIXUP="${FIXUP}"'
+	rm -rf /sbin
+	ln -s /usr/sbin /sbin
 	cat > /sbin/dhclient-script << EOF
 #!/bin/sh
 LOG=/var/log/dhclient-script.log
@@ -47,7 +49,6 @@ set >> \$LOG
 exit 0
 EOF
 	chmod 755 /sbin/dhclient-script
-	ln -s /sbin /usr/sbin
 	ln -s /bin /usr/bin
 	ln -s /run /var/run
 	:> /etc/fstab
-- 
@@ -26,6 +26,8 @@ DIRS="${DIRS} /tmp /sbin /usr/share /var/log /var/lib /etc/ssh /run/sshd /root/.
 COPIES="${COPIES} small.bin,/root/small.bin medium.bin,/root/medium.bin big.bin,/root/big.bin"
 
 FIXUP="${FIXUP}"'
+	rm -rf /sbin
+	ln -s /usr/sbin /sbin
 	cat > /sbin/dhclient-script << EOF
 #!/bin/sh
 LOG=/var/log/dhclient-script.log
@@ -47,7 +49,6 @@ set >> \$LOG
 exit 0
 EOF
 	chmod 755 /sbin/dhclient-script
-	ln -s /sbin /usr/sbin
 	ln -s /bin /usr/bin
 	ln -s /run /var/run
 	:> /etc/fstab
-- 
2.39.2


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: test: make passt.mbuto script more robust
  2023-12-11 18:50 test: make passt.mbuto script more robust Jon Maloy
@ 2023-12-11 20:39 ` Stefano Brivio
  2023-12-11 23:15   ` Stefano Brivio
  0 siblings, 1 reply; 4+ messages in thread
From: Stefano Brivio @ 2023-12-11 20:39 UTC (permalink / raw)
  To: Jon Maloy; +Cc: passt-dev, lvivier, dgibson

On Mon, 11 Dec 2023 13:50:14 -0500
Jon Maloy <jmaloy@redhat.com> wrote:

> From: Jon Paul Maloy <jmaloy@redhat.com>
> 
> Creation of a symbolic link from /sbin to /usr/sbin fails if /sbin
> exists and is non-empty. This is the case on Ubuntu-23.04.
> 
> We fix this by removing /sbin before creating the link.
> 
> Signed-off-by: Jon Maloy <jmaloy@redhat.com>
> ---
>  test/passt.mbuto | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/test/passt.mbuto b/test/passt.mbuto
> index 90816d2..12d7f50 100755
> --- a/test/passt.mbuto
> +++ b/test/passt.mbuto
> @@ -26,6 +26,8 @@ DIRS="${DIRS} /tmp /sbin /usr/share /var/log /var/lib /etc/ssh /run/sshd /root/.
>  COPIES="${COPIES} small.bin,/root/small.bin medium.bin,/root/medium.bin big.bin,/root/big.bin"
>  
>  FIXUP="${FIXUP}"'
> +	rm -rf /sbin

This works on Ubuntu, but to be safer with other distributions:
shouldn't we first move anything we need that happens to be in /sbin to
/usr/sbin?

On (your version of) Ubuntu /sbin is created because of $DIRS above,
but let's say that  another version or another distribution has ip(8)
at /sbin/ip, we'll get rid of it.

That is, if you add /usr/sbin explicitly to DIRS above (to make sure it
exists), and then, here, do:

	mv /sbin/* /sbin || :
	rm -rf /sbin

...does it also work for you?

-- 
Stefano


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: test: make passt.mbuto script more robust
  2023-12-11 20:39 ` Stefano Brivio
@ 2023-12-11 23:15   ` Stefano Brivio
  2023-12-12 14:53     ` Jon Maloy
  0 siblings, 1 reply; 4+ messages in thread
From: Stefano Brivio @ 2023-12-11 23:15 UTC (permalink / raw)
  To: Jon Maloy; +Cc: passt-dev, lvivier, dgibson

On Mon, 11 Dec 2023 21:39:55 +0100
Stefano Brivio <sbrivio@redhat.com> wrote:

> On Mon, 11 Dec 2023 13:50:14 -0500
> Jon Maloy <jmaloy@redhat.com> wrote:
> 
> > From: Jon Paul Maloy <jmaloy@redhat.com>
> > 
> > Creation of a symbolic link from /sbin to /usr/sbin fails if /sbin
> > exists and is non-empty. This is the case on Ubuntu-23.04.
> > 
> > We fix this by removing /sbin before creating the link.
> > 
> > Signed-off-by: Jon Maloy <jmaloy@redhat.com>
> > ---
> >  test/passt.mbuto | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/test/passt.mbuto b/test/passt.mbuto
> > index 90816d2..12d7f50 100755
> > --- a/test/passt.mbuto
> > +++ b/test/passt.mbuto
> > @@ -26,6 +26,8 @@ DIRS="${DIRS} /tmp /sbin /usr/share /var/log /var/lib /etc/ssh /run/sshd /root/.
> >  COPIES="${COPIES} small.bin,/root/small.bin medium.bin,/root/medium.bin big.bin,/root/big.bin"
> >  
> >  FIXUP="${FIXUP}"'
> > +	rm -rf /sbin  
> 
> This works on Ubuntu, but to be safer with other distributions:
> shouldn't we first move anything we need that happens to be in /sbin to
> /usr/sbin?
> 
> On (your version of) Ubuntu /sbin is created because of $DIRS above,
> but let's say that  another version or another distribution has ip(8)
> at /sbin/ip, we'll get rid of it.
> 
> That is, if you add /usr/sbin explicitly to DIRS above (to make sure it
> exists), and then, here, do:
> 
> 	mv /sbin/* /sbin || :

Gah, sorry, I meant:

	mv /sbin/* /usr/sbin/ || :

-- 
Stefano


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: test: make passt.mbuto script more robust
  2023-12-11 23:15   ` Stefano Brivio
@ 2023-12-12 14:53     ` Jon Maloy
  0 siblings, 0 replies; 4+ messages in thread
From: Jon Maloy @ 2023-12-12 14:53 UTC (permalink / raw)
  To: Stefano Brivio; +Cc: passt-dev, lvivier, dgibson



On 2023-12-11 18:15, Stefano Brivio wrote:
> On Mon, 11 Dec 2023 21:39:55 +0100
> Stefano Brivio <sbrivio@redhat.com> wrote:
>
>> On Mon, 11 Dec 2023 13:50:14 -0500
>> Jon Maloy <jmaloy@redhat.com> wrote:
>>
>>> From: Jon Paul Maloy <jmaloy@redhat.com>
>>>
>>> Creation of a symbolic link from /sbin to /usr/sbin fails if /sbin
>>> exists and is non-empty. This is the case on Ubuntu-23.04.
>>>
>>> We fix this by removing /sbin before creating the link.
>>>
>>> Signed-off-by: Jon Maloy <jmaloy@redhat.com>
>>> ---
>>>   test/passt.mbuto | 3 ++-
>>>   1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/test/passt.mbuto b/test/passt.mbuto
>>> index 90816d2..12d7f50 100755
>>> --- a/test/passt.mbuto
>>> +++ b/test/passt.mbuto
>>> @@ -26,6 +26,8 @@ DIRS="${DIRS} /tmp /sbin /usr/share /var/log /var/lib /etc/ssh /run/sshd /root/.
>>>   COPIES="${COPIES} small.bin,/root/small.bin medium.bin,/root/medium.bin big.bin,/root/big.bin"
>>>   
>>>   FIXUP="${FIXUP}"'
>>> +	rm -rf /sbin
>> This works on Ubuntu, but to be safer with other distributions:
>> shouldn't we first move anything we need that happens to be in /sbin to
>> /usr/sbin?
>>
>> On (your version of) Ubuntu /sbin is created because of $DIRS above,
>> but let's say that  another version or another distribution has ip(8)
>> at /sbin/ip, we'll get rid of it.
>>
>> That is, if you add /usr/sbin explicitly to DIRS above (to make sure it
>> exists), and then, here, do:
>>
>> 	mv /sbin/* /sbin || :
> Gah, sorry, I meant:
>
> 	mv /sbin/* /usr/sbin/ || :
>
I susspected so :-)
I will try it tomorrow.
///jon


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2023-12-12 14:53 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-12-11 18:50 test: make passt.mbuto script more robust Jon Maloy
2023-12-11 20:39 ` Stefano Brivio
2023-12-11 23:15   ` Stefano Brivio
2023-12-12 14:53     ` Jon Maloy

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