Re: Using variables in classes definition

[Chris Edillon]

On Mon, 10 Feb 2003 paguerlais@airfrance.fr wrote:

> I need to define a variable and a class depending on that variable.
> Something like :
> 
> <example>
> control:
>       servers = ( host1 host2 )
> 
> classes:
>       i_am_a_server = ( ${servers} )
> </example>
> It doesn't work because :
> - ${servers} must be enclosed in quotes for syntax needs
> - if ${servers} is enclose in quotes, it is considered as a command+
> parameters which must be executed and whose result is used to defined
> i_am_a_server.
> 
> I need both the variable and the class because somewhere later in my script
> I give the variable value as a parameter to an external script
> (shellcommands), and some sections of the script are activated only if the
> running host belongs to the list "servers".
> Of course I can repeat the hosts list on the "i_am_a_server" class
> definition, but each time I modify "servers" I must then think to modify
> also "i_am_a_server" :-(
> 
> I couldn't find something in the docs. Does somebody has any idea ?
> 
  the following is weird, but it works:

control:
    servers = ( host1 host2 )

classes:
    i_am_a_server = ( "/bin/echo $(servers)" )



chris