Rudder

I can work around that by forcing "echo 'root' > /opt/rudder/etc/uuid.hive" on server-4, although I'm not sure it's the correct thing to do, but at least the policy server is now recognized and I can accept nodes.

I don't understand how this can happen. In the rudder-webapp postinst scriptlet, we force the UUID to "root":

echo 'root' > /opt/rudder/etc/uuid.hive

And in the rudder-agent postinst scriptlet, we check a UUID is defined or valid, as follows:

if [ ! -e /opt/rudder/etc/uuid.hive ]                                                                                
then
  uuidgen > /opt/rudder/etc/uuid.hive
else
  # UUID is valid only if it has been generetaed by uuidgen or if it is set to 'root' for policy server
  CHECK_UUID=`cat /opt/rudder/etc/uuid.hive | grep -E "^[a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12}|root" | wc -l`
  # If the UUID is not valid, regenerate it
  if [ ${CHECK_UUID} -ne 1 ]
  then
    uuidgen > /opt/rudder/etc/uuid.hive
  fi
fi

So, even if these 2 scriptlets are run in the wrong order, I don't see how the UUID could end up containing anything except "root".

Any ideas?

I think I figured what happened:

Here's the install sequence:

Jun 19 10:10:25 Installed: 1398866025:rudder-jetty-2.11.0.beta1-1.EL.6.noarch
Jun 19 10:10:29 Installed: 1398866025:rudder-webapp-2.11.0.beta1-1.EL.6.noarch
Jun 19 10:10:32 Installed: 1398866025:rudder-agent-thin-2.11.0.beta1-1.EL.6.x86_64

So, rudder-webapp writes "root".

rudder-agent(-thin) ships a fake uuid.hive file:

root# rpm -qf /opt/rudder/etc/uuid.hive
rudder-agent-thin-2.11.0.beta1-1.EL.6.x86_64

which contains:

root# cat opt/rudder/etc/uuid.hive 
# The content of this file should be replaced with a valid UUID for Rudder

So, "root" has been overwritten.

Then, the %post scriptlet:

root# cat opt/rudder/etc/uuid.hive | grep -E "^[a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12}|root" | wc -l 
0

So it's overwritten again to the value of uuidgen.

The fix is probably not to ship uuid.hive in rudder-agent(-thin), it's created during %post anyway. If you really want to ship it in the package, prepending %ghost to /opt/rudder/etc/uuid.hive in the %files section of the rpmspec should do it (it marks it as owned by the package, but doesn't install it).

This unfortunately got dropped from 2.11.0~beta2. One of the reasons is that we were looking how to do this in a Debian package.

After discussing this with Lionel, it now appears that this is not necessary on Debian, because the uuid.hive file is listed as a config file, so Debian will never overwrite it.

Applied in changeset packages:commit:5d1c2dd94b75e4078867f80ab3c729d323106062.