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confluent2hosts(8) -- Generate /etc/hosts entries for nodes

SYNOPSIS

confluent2hosts -i <var>ip expression</var> -n <var>name expression</var> <var>noderange</var>
confluent2hosts -a <var>noderange</var>

DESCRIPTION

confluent2hosts can be used to help generate /etc/hosts entries for a noderange. There are two general approaches.

It can be used ad-hoc, using -i and -n to specify the address and name portions respectively. This accepts the standard confluent expression syntax, allowing for things like 172.30.1.{n1} or {node}.{dns.domain} or {bmc}.

It can also read from the confluent db, using -a. In this mode, each net.value.attribute group is pulled together into hosts lines. ipv4_address and ipv6_address fields are associated with the corresponding hostname attributes. You can use -f to put the FQDN first.

EXAMPLES

  • Generate /etc/hosts entries ad-hoc using default name: # confluent2hosts -i 10.2.3.{n1} d9-d12

  • Generate /etc/hosts entries ad-hoc using alternative name: # confluent2hosts -i 10.2.3.{n1} -n "{node}-alt {node}-alt.{dns.domain}" d9-d12

  • Generate /etc/hosts entries using the confluent DB as a reference: # confluent2hosts -a d9-d12