Forum: Cfengine Help
Subject: templating and "Duplicate selection"
Author: bglomm
Link to topic: https://cfengine.com/forum/read.php?3,19723,19723#msg-19723
Hi all,
I have a bundle to copy a template and expand it. It works fine. But just once.
Calling it the second time leads to a
"Duplicate selection of value for variable ..." error. I puled my hair from
short to long but couldn't get it straight.
Must be my lack of understanding the "methods" method???
thnks 4 any hint,
Bernhard
here comes the test code:
body common control {
version => "0.01";
bundlesequence => { "update", "snmpd_config", "snmpd_default" };
inputs => { "/var/lib/cfengine3/inputs/cfengine_stdlib.cf" };
}
bundle agent update{
vars:
"masterfiles" string => "/srv/cfengine3/masterfiles";
"inputs" string => "$(masterfiles)/inputs";
"ssh_keys" string => "$(masterfiles)/ssh_keys";
"cfmaster" string => "10.0.0.99";
}
bundle agent snmpd_config {
vars:
any::
"snmp2cstring" string => "notsopublic";
"nmsaddr" string => "192.168.10.10/32";
inhouse::
"syslocstring" string => "here";
outhosuse::
"syslocstring" string => "not here";
packages:
"snmpd"
comment => "make sure snmpd is installed",
package_policy => "add",
package_method => apt;
methods:
"any"
comment => "snmpd.conf, we keep full control about it",
usebundle =>
get_template("/etc/snmp/snmpd.conf","400","root","root");
commands:
restart_ur_service::
"/etc/init.d/snmpd restart",
comment => "restart snmpd after having reconfigured
snmpd.conf";
}
bundle agent snmpd_default {
methods:
"any"
comment => "/etc/default/snmpd sets the options for snmpd.
There has to be loglevel changes for productive environment, they are quite
static so it's easy to deploy just a fixed conffile",
usebundle =>
get_template("/etc/default/snmpd","644","root","root");
commands:
restart_ur_service::
"/etc/init.d/snmpd restart",
comment => "restart snmpd after having reconfigured
snmpd.conf";
}
bundle agent get_template(final_destination,mode,owner,group) {
vars:
"confmasterfiles" string => "$(update.masterfiles)/conf_files";
"this_template" string => lastnode("$(final_destination)","/");
files:
"$(final_destination).staging"
comment => "Get template and expand variables for this host",
perms => mog("400","root","root"),
copy_from =>
secure_cp("$(confmasterfiles)/$(this_template)","$(update.cfmaster)"),
action => if_elapsed("60");
"$(final_destination)"
comment => "Expand the template",
create => "true",
edit_line => expand_template("$(final_destination).staging"),
edit_defaults => empty,
perms => mog("$(mode)","$(owner)","$(group)"),
action => if_elapsed("60"),
classes => if_repaired("restart_ur_service");
}
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