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sysconfig_route.aug
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(* Module: Sysconfig_Route Parses /etc/sysconfig/network-scripts/route-${device} Author: Stephen P. Schaefer About: Reference This lens allows manipulation of *one* IPv4 variant of the /etc/sysconfig/network-scripts/route-${device} script found in RHEL5+, CentOS5+ and Fedora. The variant handled consists of lines like "destination_subnet/cidr via router_ip", e.g., "10.132.11.0/24 via 10.10.2.1" There are other variants; if you use them, please enhance this lens. The natural key would be "10.132.11.0/24" with value "10.10.2.1", but since augeas cannot deal with slashes in the key value, I reverse them, so that the key is "10.10.2.1[1]" (and "10.10.2.1[2]"... if multiple subnets are reachable via that router). About: License This file is licenced under the LGPL v2+, like the rest of Augeas. About: Lens Usage Sample usage of this lens in augtool * Set the first subnet reachable by a router reachable on the eth0 subnet > set /files/etc/sysconfig/network-scripts/route-eth0/10.10.2.1[1] 172.16.254.0/24 * List all the subnets reachable by a router reachable on eth0 subnet > match /files/etc/sysconfig/network-scripts/route-eth0/10.10.2.1 About: Configuration files This lens applies to /etc/sysconfig/network-scripts/route-* About: Examples The <Test_Sysconfig_Route> file contains various examples and tests. *) module Sysconfig_Route = autoload xfm (****************************************************************************** * Group: USEFUL PRIMITIVES ******************************************************************************) (* Variable: router A router *) let router = Rx.ipv4 (* Variable: cidr A subnet mask can be 0 to 32 bits *) let cidr = /(3[012]|[12][0-9]|[0-9])/ (* Variable: subnet Subnet specification *) let subnet = Rx.ipv4 . "/" . cidr (****************************************************************************** * Group: ENTRY TYPES ******************************************************************************) (* View: entry One route *) let entry = [ store subnet . del /[ \t]*via[ \t]*/ " via " . key router . Util.del_str "\n" ] (****************************************************************************** * Group: LENS AND FILTER ******************************************************************************) (* View: lns *) let lns = entry+ (* View: filter *) let filter = incl "/etc/sysconfig/network-scripts/route-*" . Util.stdexcl let xfm = transform lns filter