Forum: CFEngine Help
Subject: How can I get the interface name of a certain IP address?
Author: weijianliao
Link to topic: https://cfengine.com/forum/read.php?3,27650,27650#msg-27650
Here is the precondition:
bundle agent test
{
vars:
"dns_servers" slist => { "192.168.1.1","192.168.1.2" };
"nics" slist => getindices("sys.ipv4");
classes:
"is_dns_server" expression =>
reglist("@(dns_servers)","$(sys.ipv4[$(nics)])");
}
Servers that whose ip addresses match dns_servers will result in defining
class is_dns_server .I want to get the exact ip address of the server that
makes the class is_dns_server and use it in promises under the class
is_dns_server .How can I achieve this?
PS:I don't know how many interfaces are there in the target servers.
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