Re: Weird sys.fqhost value
Bas van der Vlies <[email protected]>
| Newsgroups | gmane.comp.sysutils.cfengine.general |
|---|---|
| Message-ID | <[email protected]> |
Robert good find and debuging!
On 26/09/2022 20:25, 'Robert Markula' via help-cfengine wrote:
> I can see now where this is coming from. Whenever I set the 'domain'
> component in promises.cf, the error is triggered:
>
> body common control {
> domain => "example.com";
> }
>
> Output:
> root@test1:~# cf-promises --show-vars | grep sys.fqhost
> default:sys.fqhost
>
>
>
>
>
>
> test1.
>
>
>
>
>
>
> example.com
> inventory,source=agent,attribute_name=Host name
>
> However, when commenting out this line, everything works as expected:
> body common control {
> domain => "example.com";
> }
>
> Output:
> root@test1:~# cf-promises --show-vars | grep sys.fqhost
> default:sys.fqhost test1.example.com
> inventory,source=agent,attribute_name=Host
> name
>
> The error occurs with Cfengine 3.18.2 and MPF 3.18.2. on Ubuntu 20.04
> using the cfengine-community_3.18.2-1.ubuntu20_amd64.deb package.
> The error is also present with Cfengine 3.20.0 and MPF 3.20.0 on Ubuntu
> 20.04 using the cfengine-community_3.20.0-1.ubuntu20_amd64.deb package.
> It does not occur with Cfengine 3.15.2 and MPT 3.15.2 on Ubuntu 20.04
> using the cfengine-community_3.15.2-1.ubuntu18_amd64.deb package.
>
> Tested on a vanilla Ubuntu 20.04.1 desktop host.
> Bas van der Vlies schrieb am Freitag, 23. September 2022 um 15:15:12 UTC+2:
>
> That is really strange. You can try the 3.20 ubuntu package to see if
> the problem still is there.
>
> We are using suse/redhat/debian and did not see this issue.
>
> On 23/09/2022 13:47, 'Robert Markula' via help-cfengine wrote:
> > Hi Bas,
> >
> > thanks for trying to reproduce the error. The host is running on
> Ubuntu
> > 20.04. If I downgrade to Cfengine 15.2, then sys.fqhost is working
> > correctly. As soon as I upgrade to Cfengine 18.2 or above, the error
> > appears. There is no change on the configuration or the masterfiles
> > between upgrading/downgrading.
> >
> > <snip>
> > root@test1:~# *cat /etc/hosts*
> > 127.0.0.1 localhost
> > 127.0.1.1 test1.example.com <http://test1.example.com> test1
> >
> > ::1 localhost ip6-localhost ip6-loopback
> > ff02::1 ip6-allnodes
> > ff02::2 ip6-allrouters
> >
> > root@test1:~# *cat /etc/hostname *
> > test1
> >
> > root@test1:~# *cat /proc/sys/kernel/hostname*
> > test1
> >
> > root@test1:~# *echo $HOSTNAME*
> > test1
> > </snip>
> >
> > I have absolutely no idea where redundant space characters are
> coming
> > from. This is so weird.
> > Bas van der Vlies schrieb am Freitag, 23. September 2022 um
> 11:03:35 UTC+2:
> >
> > Hi Robert,
> >
> > On which OS?
> > I have done dome tests and I also rely on this variable. But on our
> > machines I do not see this weird behaviour.
> >
> > You can check:
> > ```
> > /etc/hosts for networking
> > /etc/hostname : This will be read by boot scripts on boot time and
> > set its value.
> > /proc/sys/kernel/hostname : Current hostname.
> > /etc/sysconfig/network : Networking (HOSTNAME=”server1″ parameter)
> > ```
> >
> > maybe there is some weird character somewehere
> >
> >
> >
> > On 23/09/2022 10:37, 'Robert Markula' via help-cfengine wrote:
> > > Greetings everyone,
> > >
> > > Since the upgrade from Cfengine 3.15 to 3.18 I can observe a weird
> > > '*sys.fqhost*' value.
> > >
> > > In 3.15.2 this variable is correct:
> > > default:sys.fqhost test1.example.com <http://test1.example.com>
> <http://test1.example.com <http://test1.example.com>>
> > >
> > inventory,source=agent,attribute_name=Host
> > > name
> > >
> > > In 3.18.2 and 3.20.0 however, there are numerous spaces around
> > the hostname:
> > > default:sys.fqhost
> > >
> > >
> > >
> > >
> > >
> > >
> > > test1.
> > >
> > >
> > >
> > >
> > >
> > >
> > > example.com <http://example.com> <http://example.com
> <http://example.com>>
> > > inventory,source=agent,attribute_name=Host name
> > > default:sys.uqhost test1
> > >
> > inventory,source=agent,attribute_name=none
> > > default:sys.domain example.com <http://example.com>
> <http://example.com <http://example.com>>
> > > source=agent
> > >
> > > Note the many spaces between the hostname and the domain name.
> > >
> > > Accordingly, cf-exec fails to run with his message in
> > /var/log/syslog:
> > > error: Couldn't open
> > >
> >
> '/var/cfengine/outputs/cf___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________test1_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________example_com__1663916430_Fri_Sep_23_09_00_30_2022_0x7ff5fa880b80' - aborting exec. (fopen: File name too long)
> > >
> > > 'hostname -f' gives:
> > > test1.example.com <http://test1.example.com>
> <http://test1.example.com <http://test1.example.com>>
> > >
> > > root@test1:~# hostname
> > > test1
> > >
> > > And in the body common control in promises.cf <http://promises.cf>
> > <http://promises.cf <http://promises.cf>> I have set:
> > > body common control
> > > {
> > > [...]
> > > domain => "example.com <http://example.com> <http://example.com
> <http://example.com>>";
> > > [...]
> > > }
> > >
> > > And, for completeness sake:
> > > root@test1:~# cat /etc/hosts
> > > 127.0.0.1 localhost
> > > 127.0.1.1 test1.example.com <http://test1.example.com>
> <http://test1.example.com <http://test1.example.com>> test1
> > >
> > > ::1 localhost ip6-localhost ip6-loopback
> > > ff02::1 ip6-allnodes
> > > ff02::2 ip6-allrouters
> > >
> > > root@test1:~# cat /etc/hostname
> > > test1
> > >
> > > So I have absolutely no idea where these spaces are coming from.
> > Any ideas?
> > >
> > > --
> > > You received this message because you are subscribed to the Google
> > > Groups "help-cfengine" group.
> > > To unsubscribe from this group and stop receiving emails from it,
> > send
> > > an email to [email protected]
> > > <mailto:[email protected]>.
> > > To view this discussion on the web visit
> > >
> >
> https://groups.google.com/d/msgid/help-cfengine/4dc4492a-d42a-4610-a9df-ad15dd0a36dcn%40googlegroups.com <https://groups.google.com/d/msgid/help-cfengine/4dc4492a-d42a-4610-a9df-ad15dd0a36dcn%40googlegroups.com> <https://groups.google.com/d/msgid/help-cfengine/4dc4492a-d42a-4610-a9df-ad15dd0a36dcn%40googlegroups.com <https://groups.google.com/d/msgid/help-cfengine/4dc4492a-d42a-4610-a9df-ad15dd0a36dcn%40googlegroups.com>> <https://groups.google.com/d/msgid/help-cfengine/4dc4492a-d42a-4610-a9df-ad15dd0a36dcn%40googlegroups.com?utm_medium=email&utm_source=footer <https://groups.google.com/d/msgid/help-cfengine/4dc4492a-d42a-4610-a9df-ad15dd0a36dcn%40googlegroups.com?utm_medium=email&utm_source=footer> <https://groups.google.com/d/msgid/help-cfengine/4dc4492a-d42a-4610-a9df-ad15dd0a36dcn%40googlegroups.com?utm_medium=email&utm_source=footer <https://groups.google.com/d/msgid/help-cfengine/4dc4492a-d42a-4610-a9df-ad15dd0a36dcn%40googlegroups.com?utm_medium=email&utm_source=footer>>>.
> >
> > --
> > --
> > Bas van der Vlies
> > | High Performance Computing & Visualization | SURF| Science Park
> 140 |
> > 1098 XG Amsterdam
> > | T +31 (0) 20 800 1300 <tel:+31%2020%20800%201300>
> <tel:+31%2020%20800%201300> |
> > [email protected] | www.surf.nl <http://www.surf.nl>
> <http://www.surf.nl <http://www.surf.nl>> |
> >
> > --
> > You received this message because you are subscribed to the Google
> > Groups "help-cfengine" group.
> > To unsubscribe from this group and stop receiving emails from it,
> send
> > an email to [email protected]
> > <mailto:[email protected]>.
> > To view this discussion on the web visit
> >
> https://groups.google.com/d/msgid/help-cfengine/2964882d-b48a-4219-bb8b-967e0725f5den%40googlegroups.com <https://groups.google.com/d/msgid/help-cfengine/2964882d-b48a-4219-bb8b-967e0725f5den%40googlegroups.com> <https://groups.google.com/d/msgid/help-cfengine/2964882d-b48a-4219-bb8b-967e0725f5den%40googlegroups.com?utm_medium=email&utm_source=footer <https://groups.google.com/d/msgid/help-cfengine/2964882d-b48a-4219-bb8b-967e0725f5den%40googlegroups.com?utm_medium=email&utm_source=footer>>.
>
> --
> --
> Bas van der Vlies
> | High Performance Computing & Visualization | SURF| Science Park 140 |
> 1098 XG Amsterdam
> | T +31 (0) 20 800 1300 <tel:+31%2020%20800%201300> |
> [email protected] | www.surf.nl <http://www.surf.nl> |
>
> --
> You received this message because you are subscribed to the Google
> Groups "help-cfengine" group.
> To unsubscribe from this group and stop receiving emails from it, send
> an email to [email protected]
> <mailto:[email protected]>.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/help-cfengine/e869d4a8-4500-4167-9ad7-568e51ed1327n%40googlegroups.com <https://groups.google.com/d/msgid/help-cfengine/e869d4a8-4500-4167-9ad7-568e51ed1327n%40googlegroups.com?utm_medium=email&utm_source=footer>.
--
--
Bas van der Vlies
| High Performance Computing & Visualization | SURF| Science Park 140 |
1098 XG Amsterdam
| T +31 (0) 20 800 1300 | [email protected] | www.surf.nl |
--
You received this message because you are subscribed to the Google Groups "help-cfengine" group.
To unsubscribe from this group and stop receiving emails from it, send an email to [email protected].
To view this discussion on the web visit https://groups.google.com/d/msgid/help-cfengine/6eb3c35b-55d4-0d95-575c-0fb1b4945187%40surf.nl.