* On Wed, 23 Feb 2011 at 8:33 -0500, Daniel V. Klein wrote:
> The promises look good, and AFAICT you should always get 2 lines, but I'd
> suggest the following change for you:
>
> vars:
> any::
> "dns" string => "192.168.1.20";
> machineX::
> "search" string => "domain2";
> !machineX::
> "search" string => "domain1";
>
> This makes it clearer what variables are set under what conditions, and there
> is no need for the policy "free" any more, because there is no reassignment.
Yes, that's true.
How would cfengine react, if the variables are not set - would that
be a reason to skip a line?
The second promise, where I have problem with, is constructed the
following way:
bundle agent some_bundle {
vars:
class1|class2::
"jboss[heapmin]" int => "256";
"jboss[heapmax]" int => "2048";
class1::
"jboss[permsize]" int => "512";
class2::
"jboss[permsize]" int => "384";
...
}
bundle edit_line jboss_runconf_template(v) {
vars:
"jbossmem" string => "-Xms$($(v)[heapmin])m -Xmx$($(v)[heapmax])m
-XX:MaxPermSize=$($(v)[permsize])m";
insert_lines:
"JAVA_OPTS=\"$(const.dollar)JAVA_OPTS $(jbossmem)\"";
"JAVA_OPTS=\"$(const.dollar)JAVA_OPTS -Dsun.rmi.dgc.client.gcInterval=3600000
-Dsun.rmi.dgc.server.gcInterval=3600000\"";
some_class::
"JAVA_OPTS=\"$(const.dollar)JAVA_OPTS -Xdebug
-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=100 80\"";
other_class::
"JAVA_HOME=\"$($(v)[JAVA_HOME])\"";
}
Here, all the variables are set without redefinition. With this
configuration, sometimes the first line (containing jbossmem)
disappeared - preferrably in the middle of the night, when surely
nobody is touching the system :-/
But even weirder - I have also once seen (only with 3.1.4), that
only the line containing jbossmem was generated, the others were
missing.
Avoiding edit_defaults=>empty would of course avoid the problem,
because then no lines would disappear, but it would have to take
care about removing lines/parameters which should no longer be there
(in case of changes).
Regards,
Adalbert
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