Re: Weird sys.fqhost value

Yeah, I see similar if I set domain in body common control as well.

https://tracker.mender.io/browse/CFE-4053

On Monday, September 26, 2022 at 1:25:10 PM UTC-5 Robert Markula 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 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> 
>> > > 
>> >  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> 
>> > > 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> 
>> > >                              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> 
>> > > 
>> > > root@test1:~# hostname 
>> > > test1 
>> > > 
>> > > And in the body common control in promises.cf 
>> > <http://promises.cf> I have set: 
>> > > body common control 
>> > > { 
>> > > [...] 
>> > > domain => "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> 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?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 <+31%2020%20800%201300> 
>> <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/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>. 
>>
>>
>> -- 
>> -- 
>> Bas van der Vlies 
>> | High Performance Computing & Visualization | SURF| Science Park 140 | 
>> 1098 XG Amsterdam 
>> | T +31 (0) 20 800 1300 <+31%2020%20800%201300> | [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/f635a8f4-f3aa-4713-9cfd-3d03d0782285n%40googlegroups.com.