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Re: problem with hard class, really tricky


From: Mark Burgess
Subject: Re: problem with hard class, really tricky
Date: Thu, 18 Aug 2005 16:37:39 +0200

http://www.cfengine.org/docs/cfengine-Reference.html#Cfagent-Runtime-Options

-U option, for instance

M

On Thu, 2005-08-18 at 11:44 +0200, Christophe Nowicki wrote:
> Hi cfengine users,
> 
> I've started to use cfengine for managing configuration files
> of my vservers (http://linux-vserver.org/). I am running many vservers, 
> about 30, on my network and cfengine seams to be the best solution for
> managing them.
> 
> But I can't differentiate with classes one of them.
> 
> The name of this host is debian.
> This host is running Debian GNU/Linux "sarge".
> His FQDN is debian.mynetwork.lan.
> 
> I can't use the network interface to distinguish, this host because all
> vservers are sharing the same network interface. (/sbin/ifconfig show
> all the network interfaces).
> 
> When I run cfagent -p -v on the debian vservers, 
> I get the fallowing Defined Classes :
> 
> 192_168_3 192_168_3_10 192_168_3_11 192_168_3_12 192_168_3_20
> 192_168_3_25 192_168_3_3 192_168_3_30 192_168_3_31 192_168_3_4
> 192_168_3_5 192_168_3_6 192_168_3_61 192_168_3_7 192_168_3_8
> 192_168_3_9 32_bit August Day17 Hr22 Hr22_Q3 LoadAvg_low_normal
> Min35_40 Min38 Q3 Wednesday Yr2005 any backup_mynetwork_lan cfengine_2
> cfengine_2_1 cfengine_2_1_14 compiled_on_linux_gnu dav_mynetwork_lan debian
> debian_3 debian_3_1 debian_mynetwork_lan
> ...
> entropy_cfengine_in_low entropy_dns_in_low entropy_dns_out_low
> ...
> ipv4_192_168_3_10 ipv4_192_168_3_11 ipv4_192_168_3_12
> ipv4_192_168_3_20 ipv4_192_168_3_24 ipv4_192_168_3_25
> ipv4_192_168_3_3 ipv4_192_168_3_30 ipv4_192_168_3_31
> ipv4_192_168_3_4 ipv4_192_168_3_5 ipv4_192_168_3_6 ipv4_192_168_3_61
> ipv4_192_168_3_7 ipv4_192_168_3_8 ipv4_192_168_3_9 ldap_mynetwork_lan
> linux linux_2_6_8_vs linux_i686 linux_i686_2_6_8_vs
> linux_i686_2_6_8_vs__1_Wed_Apr_20_04_43_19_CEST_2005 mail_mynetwork_lan
> 
> 
> 
> When I run cfagent -p -v on another vserver, I get :
> 
> 192_168_3 192_168_3_10 192_168_3_11 192_168_3_12 192_168_3_20
> 192_168_3_25 192_168_3_3 192_168_3_30 192_168_3_31 192_168_3_4
> 192_168_3_5 192_168_3_6 192_168_3_61 192_168_3_7 192_168_3_8
> 192_168_3_9 32_bit August Day17 Hr22 Hr22_Q4 Min55 Min55_00 Q4
> Wednesday Yr2005 any backup_mynetwork_lan cfengine_2 cfengine_2_1
> cfengine_2_1_14 compiled_on_linux_gnu dav_mynetwork_lan debian debian_3
> debian_3_1 debian_mynetwork_lan distcc01_csquad_lan entropy_cfengine_in_low
> ...
> entropy
> ...
> ipv4_192 ipv4_192_168 ipv4_192_168_3 ipv4_192_168_3_10
> ipv4_192_168_3_11 ipv4_192_168_3_12 ipv4_192_168_3_20
> ipv4_192_168_3_24 ipv4_192_168_3_25 ipv4_192_168_3_3
> ipv4_192_168_3_30 ipv4_192_168_3_31 ipv4_192_168_3_4
> ipv4_192_168_3_5 ipv4_192_168_3_6 ipv4_192_168_3_61 ipv4_192_168_3_7
> ipv4_192_168_3_8 ipv4_192_168_3_9 ldap_mynetwork_lan linux linux_2_6_8_vs
> linux_i686 linux_i686_2_6_8_vs
> linux_i686_2_6_8_vs__1_Wed_Apr_20_04_43_19_CEST_2005 mail_mynetwork_lan
> 
> 
> There is no difference between the debian vserver and the other
> vservers :
> 
> $ diff host.classes.list debian.classes.list 
> 124d124
> < host
> 
> The hard class os type "debian" is in conflict with the hostname.
> Is it possible to prefix the os type hard classe with something like 
> "system_" ?
> system_debian, system_debian_3 and system_debian_3_1 etc ?
> 
> Or disable the hard classes?
> 
> It will avoid the name conflict ;0)
> 
> Best Regards,
> 
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