mirror of https://github.com/apache/druid.git
71 lines
1.8 KiB
Plaintext
71 lines
1.8 KiB
Plaintext
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#!/usr/bin/env perl
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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use strict;
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use warnings;
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use Cwd qw/realpath/;
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use Fcntl;
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use File::Basename;
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use FindBin;
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use Getopt::Long qw/:config require_order gnu_compat/;
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sub usage
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{
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die "usage: $0 (--restart <service> | --tail <service> | --down) [-d <var dir>]\n";
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}
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# Parse arguments
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my %opt = (
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'vardir' => realpath("$FindBin::Bin/../var"),
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);
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usage() unless GetOptions(\%opt, 'command=s', 'restart=s', 'down', 'tail=s', 'vardir|d=s');
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my $svdir = "$opt{vardir}/sv";
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my $command;
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if ($opt{command}) {
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usage() if $command;
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$command = $opt{command};
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}
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if ($opt{down}) {
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usage() if $command;
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$command = 'd';
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}
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if ($opt{restart}) {
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usage() if $command;
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$command = "k $opt{restart}";
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}
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if ($opt{tail}) {
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usage() if $command;
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exec "tail", "-f", "$svdir/$opt{tail}.log"
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or die "exec failed: $!\n";
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}
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usage() unless $command;
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my $fifofile = "$svdir/.ctrl";
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sysopen my $fifofh, $fifofile, O_WRONLY or die "Can't open control fifo, perhaps supervise is not running: $!\n";
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print $fifofh "$command\n";
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close $fifofh;
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