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|
#!/usr/bin/perl
# Author: An-Cheng Huang <ancheng@vyatta.com>
# Date: 2007
# Description: configuration loader
# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2006, 2007, 2008 Vyatta, Inc.
# All Rights Reserved.
# **** End License ****
# Perl script for loading the startup config file.
# $0: startup config file.
use strict;
use lib "/opt/vyatta/share/perl5/";
use Vyatta::ConfigLoad;
use Sys::Syslog qw(:standard :macros);
use POSIX qw(strftime);
my $CWRAPPER = '/opt/vyatta/sbin/vyatta-cfg-cmd-wrapper';
my $CONFIG_LOG = '/var/log/vyatta/vyatta-config-loader.log';
my $COMMIT_CMD = "$CWRAPPER commit";
my $CLEANUP_CMD = "$CWRAPPER cleanup";
my $BEGIN_CMD = "$CWRAPPER begin";
my $END_CMD = "$CWRAPPER end";
umask 0002;
# Set up logging
openlog("config-loader", "nofail", LOG_LOCAL0);
open (STDIN, '<', "/dev/null")
or die "Can't open /dev/null : $!";
open (STDOUT, '>>', $CONFIG_LOG)
or die "Can't open $CONFIG_LOG : $!";
open (STDERR, '>&STDOUT')
or die "Can't redirect stderr: $!";
sub trace {
my $str = shift;
printf "%s %s\n", strftime("%F %T ", localtime), $str;
}
# get a list of all config statement in the startup config file
my %cfg_hier = Vyatta::ConfigLoad::getStartupConfigStatements($ARGV[0],'true');
my @all_nodes = @{ $cfg_hier{'set'} };
# empty configuration?
die "Empty configuration!\n"
if (scalar(@all_nodes) == 0);
# set up the config environment
unless (system($BEGIN_CMD) == 0) {
syslog(LOG_WARNING, "Cannot set up configuration environment");
die "Cannot set up configuration environment\n";
}
my $start = time;
trace "-- begin";
#cmd below is added to debug last set of command ordering
foreach (@all_nodes) {
my ($path_ref, $rank) = @$_;
my @pr = @$path_ref;
if ($pr[0] =~ /^comment$/) {
my $ct = 0;
my $rel_path;
foreach my $rp (@pr[1..$#pr]) {
$ct++;
my $tmp_path = $rel_path . "/" . $rp;
my $node_path = "/opt/vyatta/share/vyatta-cfg/templates/"
. $tmp_path . "/node.def";
last if ($rp eq '"');
last if ($rp eq '""');
if ( !-e $node_path ) {
#pop this element
delete $pr[$ct];
last;
}
$rel_path = $tmp_path;
}
my $comment_cmd = "$CWRAPPER " . join(" ",@pr) ;
`$comment_cmd`;
next;
}
my $cmd = 'set ' . join(' ', @pr);
# Show all commands in log
trace $cmd;
unless (system("$CWRAPPER $cmd") == 0) {
warn "*** %s failed: %d\n", $cmd, $?;
syslog(LOG_NOTICE, "[[%s]] failed", $cmd);
}
}
my $commit_start = time;
trace "commit";
syslog(LOG_INFO, "Configuration took %d seconds.", $commit_start - $start);
unless (system($COMMIT_CMD) == 0) {
warn "*** Commit failed: %d\n", $?;
syslog (LOG_WARNING, "Commit failed at boot");
system($CLEANUP_CMD);
system($END_CMD);
exit 1;
}
my $commit_end = time;
syslog(LOG_INFO, "Commit succeeded took %d seconds.",
$commit_end - $commit_start);
# Now process any deactivate nodes
my @deactivate_nodes = @{ $cfg_hier{'deactivate'} };
if (@deactivate_nodes) {
foreach (@deactivate_nodes) {
my $cmd = "deactivate " . $_;
trace $cmd;
unless (system("$CWRAPPER $cmd") == 0) {
warn "*** %s failed: %d\n", $cmd, $?;
syslog(LOG_WARNING, "[[%s]] failed", $cmd);
last;
}
}
unless (system($COMMIT_CMD) == 0) {
warn "deactivate commit failed: %d\n", $?;
syslog(LOG_NOTICE, "Commit deactivate failed at boot");
system($CLEANUP_CMD);
}
}
unless (system($END_CMD) == 0) {
syslog(LOG_WARNING, "Cannot teardown configuration environment");
die "Cannot teardown configuration environment\n";
}
trace "done.";
exit 0;
|
