tests/virtual-time/start.pl

#!/usr/bin/perl -w
#
# Copyright (C) 2010, 2012, 2015, 2016  Internet Systems Consortium, Inc. ("ISC")
#
# 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 http://mozilla.org/MPL/2.0/.

# $Id: start.pl,v 1.2 2010/06/17 05:38:05 marka Exp $

# Framework for starting test servers.
# Based on the type of server specified, check for port availability, remove
# temporary files, start the server, and verify that the server is running.
# If a server is specified, start it. Otherwise, start all servers for test.

use strict;
use Cwd 'abs_path';
use Getopt::Long;

# Option handling
#   --noclean test [server [options]]
#
#   --noclean - Do not cleanup files in server directory
#   test - name of the test directory
#   server - name of the server directory
#   options - alternate options for the server

my $usage = "usage: $0 [--noclean] test-directory [server-directory [server-options]]";
my $noclean;
GetOptions('noclean' => \$noclean);
my $test = $ARGV[0];
my $server = $ARGV[1];
my $options = $ARGV[2];

if (!$test) {
    print "$usage\n";
}
if (!-d $test) {
    print "No test directory: \"$test\"\n";
}
if ($server && !-d "$test/$server") {
    print "No server directory: \"$test/$server\"\n";
}

# Global variables
my $topdir = abs_path("$test/..");
my $testdir = abs_path("$test");
my $NAMED = $ENV{'NAMED'};
my $DIG = $ENV{'DIG'};
my $PERL = $ENV{'PERL'};

# Start the server(s)

if ($server) {
    if ($server =~ /^ns/) {
        &check_ports($server);
    }
    &start_server($server, $options);
    if ($server =~ /^ns/) {
        &verify_server($server);
    }
} else {
    # Determine which servers need to be started for this test.
    opendir DIR, $testdir;
    my @files = sort readdir DIR;
    closedir DIR;

    my @ns = grep /^ns[0-9]*$/, @files;

    # Start the servers we found.
    &check_ports();
    foreach (@ns) {
        &start_server($_);
    }
    foreach (@ns) {
        &verify_server($_);
    }
}

# Subroutines

sub check_ports {
    my $server = shift;
    my $options = "";

    if ($server && $server =~ /(\d+)$/) {
        $options = "-i $1";
    }

    my $tries = 0;
    while (1) {
        my $return = system("$PERL $topdir/testsock.pl -p 5300 $options");
        last if ($return == 0);
        if (++$tries > 4) {
            print "$0: could not bind to server addresses, still running?\n";
            print "I:server sockets not available\n";
            print "R:FAIL\n";
            system("$PERL $topdir/stop.pl $testdir"); # Is this the correct behavior?
            exit 1;
        }
        print "I:Couldn't bind to socket (yet)\n";
        sleep 2;
    }
}

sub start_server {
    my $server = shift;
    my $options = shift;

    my $cleanup_files;
    my $command;
    my $pid_file;

    if ($server =~ /^ns/) {
        $cleanup_files = "{*.jnl,*.bk,*.st,named.run}";
        $command = "sh wrap.sh ";
        $command .= "$NAMED ";
        if ($options) {
            $command .= "$options";
        } else {
            $command .= "-m record,size,mctx ";
            $command .= "-T clienttest ";
            $command .= "-X named.lock ";
            $command .= "-c named.conf -d 99 -g";
        }
        $command .= " >named.run 2>&1 &";
        $pid_file = "named.pid";
    } else {
        print "I:Unknown server type $server\n";
        print "R:FAIL\n";
        system "$PERL $topdir/stop.pl $testdir";
        exit 1;
    }

#   print "I:starting server $server\n";

    chdir "$testdir/$server";

    unless ($noclean) {
        unlink glob $cleanup_files;
    }

    system "$command";

    my $tries = 0;
    while (!-f $pid_file) {
        if (++$tries > 14) {
            print "I:Couldn't start server $server\n";
            print "R:FAIL\n";
            system "$PERL $topdir/stop.pl $testdir";
            exit 1;
        }
        sleep 1;
    }
}

sub verify_server {
    my $server = shift;
    my $n = $server;
    $n =~ s/^ns//;

    my $tries = 0;
    while (1) {
        my $return = system("$DIG +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd -p 5300 version.bind. chaos txt \@10.53.0.$n > dig.out");
        last if ($return == 0);
        print `grep ";" dig.out`;
        if (++$tries >= 30) {
            print "I:no response from $server\n";
            print "R:FAIL\n";
            system("$PERL $topdir/stop.pl $testdir");
            exit 1;
        }
        sleep 2;
    }
    unlink "dig.out";
}