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Remove util/nanny.pl and contrib/scripts/nanny.pl

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I doubt that anyone is using it after 25 years.
This commit is contained in:
Štěpán Balážik 2025-07-08 15:10:34 +02:00
parent 6b906e3097
commit d536de1db1
3 changed files with 1 additions and 107 deletions
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3
contrib/README
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@ -17,8 +17,7 @@ be fixed as time permits.
- scripts/ - scripts/
Assorted useful scripts, including 'nanny' which monitors Assorted useful scripts, including 'zone-edit'
named and restarts it in the event of a crash, 'zone-edit'
which enables editing of a dynamic zone, and others. which enables editing of a dynamic zone, and others.
- dlz/modules - dlz/modules

49
contrib/scripts/nanny.pl
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@ -1,49 +0,0 @@
#!/usr/bin/perl
#
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
# A simple nanny to make sure named stays running.
$pid_file_location = '/var/run/named.pid';
$nameserver_location = 'localhost';
$dig_program = 'dig';
$named_program = 'named';
fork() && exit();
for (;;) {
$pid = 0;
open(FILE, $pid_file_location) || goto restart;
$pid = <FILE>;
close(FILE);
chomp($pid);
$res = kill 0, $pid;
goto restart if ($res == 0);
$dig_command =
"$dig_program +short . \@$nameserver_location > /dev/null";
$return = system($dig_command);
goto restart if ($return == 9);
sleep 30;
next;
restart:
if ($pid != 0) {
kill 15, $pid;
sleep 30;
}
system ($named_program);
sleep 120;
}

56
util/nanny.pl
View File

@ -1,56 +0,0 @@
#!/usr/bin/perl
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
# A simple nanny to make sure named stays running.
$pid_file_location = '/var/run/named.pid';
$nameserver_location = 'localhost';
$dig_program = 'dig';
$named_program = 'named';
fork() && exit();
for (;;) {
$pid = 0;
open(FILE, $pid_file_location) || goto restart;
$pid = <FILE>;
close(FILE);
chomp($pid);
$ps_command = "ps -axw | grep named | grep $pid | grep -v grep |";
# ps_command MUST end in a pipe (|) character!
# Make sure there's a named on the pid we just got. Since there is no
# good way to test this, use the output from ps.
open(PIPE, $ps_command) || die($ps_command);
$line = <PIPE>;
close(PIPE);
chomp($line);
goto restart if ($line eq "");
$dig_command = "$dig_program +short . \@$nameserver_location > /dev/null";
$return = system($dig_command);
goto restart if ($return == 9);
sleep 30;
next;
restart:
if ($pid != 0) {
kill 15, $pid;
sleep 30;
}
system ($named_program);
sleep 120;
}