pkg.upgrade with --exclude=kernel*

[Michael Ward]

Heya, we're running RHEL/CentOS, so our package manager is yum.  I'd like clients to be able to run "pkg.upgrade" to get up to date, but I want them to exclude packages that match kernel*, e.g. yum -y update --exclude=kernel*.

I know you can set this in /etc/yum.repos.d/ at a repo-level, but I'd rather not limit it to *all* calls for "yum update," I only want this limitation when calling from salt.

Since pkg.upgrade takes kwargs, I tried a few things like:

salt 'box603.example.edu' pkg.upgrade exclude='kernel*'

Doesn't seem to matter, every variation just results in a plain 'yum -y update'.

Is there any way to achieve this with Salt?

Thanks,

Mike

[Clint Dilks]

Hi Michael,

Have you thought of just using cmd.run instead ?

eg

salt <host> cmd.run 'yum update -y --exclude=kernel\*'

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[Michael Ward]

Hey, that's a good idea.  Duh!  Thanks!

Mike

[Rémy Dernat]

Hi,

IMO, I would prefer to use a custom module. I think it is not so hard to code... :

cat _modules/customupgrade.py

```

import re

def upgradeexcl(exclude=None):

    '''

    Upgrade a minion and exclude some content

    CLI Example:

    .. code-block:: bash

        

        salt '*' customupgrade.upgradeexcl "kernel vim"

    '''

    if exclude is not None:

        str_exclude=str(exclude)

        update = __salt__['cmd.run']("yum update -y --exclude='"+str_exclude+"'")

    ret = []

    ret.extend([str_exclude,update])

    return ret

```

I did not try it, but that (~nearly) should work.

The main goal here would be then to integrate it smoothly in a state, for example. I think that if you look at pkg.upgrade, you could to something better. With the 're' module you can also add complex regular expression for your custom module :

pattern = re.compile(str_exclude)

search = pattern.search(...)

Regards,

Rémy