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|
#!/usr/bin/perl
# Perl script for loading the startup config file.
# $0: startup config file.
use strict;
use lib "/opt/vyatta/share/perl5/";
use VyattaConfigLoad;
umask 0002;
if (!open(OLDOUT, ">&STDOUT") || !open(OLDERR, ">&STDERR")
|| !open(STDOUT, "|/usr/bin/logger -t config-loader -p local0.debug")
|| !open(STDERR, ">&STDOUT")) {
print STDERR "Cannot dup STDOUT/STDERR: $!\n";
exit 1;
}
if (!open(WARN, "|/usr/bin/logger -t config-loader -p local0.warning")) {
print OLDERR "Cannot open syslog: $!\n";
exit 1;
}
sub restore_fds {
open(STDOUT, ">&OLDOUT");
open(STDERR, ">&OLDERR");
}
# get a list of all config statement in the startup config file
# (sorted by rank).
my @all_nodes = VyattaConfigLoad::getStartupConfigStatements($ARGV[0]);
if (scalar(@all_nodes) == 0) {
# no config statements
restore_fds();
exit 1;
}
my $cur_rank = ${$all_nodes[0]}[1];
# set up the config environment
my $CWRAPPER = '/opt/vyatta/sbin/vyatta-cfg-cmd-wrapper';
system("$CWRAPPER begin");
if ($? >> 8) {
print OLDOUT "Cannot set up configuration environment\n";
print WARN "Cannot set up configuration environment\n";
restore_fds();
exit 1;
}
my $commit_cmd = "$CWRAPPER commit";
my $cleanup_cmd = "$CWRAPPER cleanup";
my $ret = 0;
# higher-ranked statements committed before lower-ranked.
foreach (@all_nodes) {
my ($path_ref, $rank) = @$_;
if ($rank != $cur_rank) {
# commit all nodes with the same rank together.
$ret = system("$commit_cmd");
if ($ret >> 8) {
print OLDOUT "Commit failed at rank $cur_rank\n";
print WARN "Commit failed at rank $cur_rank\n";
system("$cleanup_cmd");
# continue after cleanup (or should we abort?)
}
$cur_rank = $rank;
}
my $cmd = "$CWRAPPER set " . (join ' ', @$path_ref);
$ret = system("$cmd");
if ($ret >> 8) {
$cmd =~ s/^.*?set /set /;
print OLDOUT "[[$cmd]] failed\n";
print WARN "[[$cmd]] failed\n";
# continue after set failure (or should we abort?)
}
}
$ret = system("$commit_cmd");
if ($ret >> 8) {
print OLDOUT "Commit failed at rank $cur_rank\n";
print WARN "Commit failed at rank $cur_rank\n";
system("$cleanup_cmd");
# exit normally after cleanup (or should we exit with error?)
}
# really clean up
system("$CWRAPPER end");
restore_fds();
exit 0;
|
