mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-10 13:11:32 +00:00
683 lines
21 KiB
Perl
683 lines
21 KiB
Perl
# This program is copyright 2012-2013 Percona Inc.
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# Feedback and improvements are welcome.
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#
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# THIS PROGRAM IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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# MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, version 2; OR the Perl Artistic License. On UNIX and similar
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# systems, you can issue `man perlgpl' or `man perlartistic' to read these
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# licenses.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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# Place, Suite 330, Boston, MA 02111-1307 USA.
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# ###########################################################################
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# VersionCheck package
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# ###########################################################################
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{
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# Package: VersionCheck
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# VersionCheck checks program versions with Percona.
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package VersionCheck;
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use strict;
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use warnings FATAL => 'all';
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use English qw(-no_match_vars);
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use File::Basename qw();
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use Data::Dumper qw();
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use Data::Dumper qw();
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use Digest::MD5 qw(md5_hex);
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use Sys::Hostname qw(hostname);
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use Fcntl qw(:DEFAULT);
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use File::Basename qw();
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use File::Spec;
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use constant PTDEBUG => $ENV{PTDEBUG} || 0;
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local $EVAL_ERROR;
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eval {
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require Percona::Toolkit;
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require Percona::HTTP::Micro;
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};
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my $dir = File::Spec->tmpdir();
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my $check_time_file = File::Spec->catfile($dir,'percona-toolkit-version-check');
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my $check_time_limit = 60 * 60 * 24; # one day
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sub validate_options {
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my ($o) = @_;
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# No need to validate anything if we didn't get an explicit v-c
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return if !$o->got('version-check');
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my $value = $o->get('version-check');
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my @values = split /, /,
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$o->read_para_after(__FILE__, qr/MAGIC_version_check/);
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chomp(@values);
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return if grep { $value eq $_ } @values;
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$o->save_error("--version-check invalid value $value. Accepted values are "
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. join(", ", @values[0..$#values-1]) . " and $values[-1]" );
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}
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sub new {
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my ($class, %args) = @_;
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my $self = {
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valid_types => qr/
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^(?:
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os_version
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|perl_version
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|perl_module_version
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|mysql_variable
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|bin_version
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)$/x,
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};
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return bless $self, $class;
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}
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sub version_check {
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my %args = @_;
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my @instances = $args{instances} ? @{ $args{instances} } : ();
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# If this blows up, oh well, don't bother the user about it.
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# This feature is a "best effort" only; we don't want it to
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# get in the way of the tool's real work.
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if (exists $ENV{PERCONA_VERSION_CHECK} && !$ENV{PERCONA_VERSION_CHECK}) {
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warn '--version-check is disabled by the PERCONA_VERSION_CHECK ',
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"environment variable.\n\n";
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return;
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}
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# we got here if the protocol wasn't "off", and the values
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# were validated earlier, so just handle auto
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# This line is mostly here for the test suite:
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$args{protocol} ||= 'https';
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my @protocols = $args{protocol} eq 'auto'
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? qw(https http)
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: $args{protocol};
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my $instances_to_check = [];
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my $time = int(time());
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eval {
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# Name and ID the instances. The name is for debugging; the ID is
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# what the code uses.
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foreach my $instance ( @instances ) {
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my ($name, $id) = _generate_identifier($instance);
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$instance->{name} = $name;
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$instance->{id} = $id;
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}
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my $time_to_check;
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($time_to_check, $instances_to_check)
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= time_to_check($check_time_file, \@instances, $time);
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if ( !$time_to_check ) {
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warn 'It is not time to --version-check again; ',
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"only 1 check per day.\n\n";
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return;
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}
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my $advice;
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my $e;
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for my $protocol ( @protocols ) {
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$advice = eval { pingback(
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url => $ENV{PERCONA_VERSION_CHECK_URL} || "$protocol://v.percona.com",
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instances => $instances_to_check,
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protocol => $protocol,
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) };
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# No advice, and no error, so no reason to keep trying.
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last if !$advice && !$EVAL_ERROR;
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$e ||= $EVAL_ERROR;
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}
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if ( $advice ) {
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print "# Percona suggests these upgrades:\n";
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print join("\n", map { "# * $_" } @$advice), "\n\n";
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}
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else {
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die $e if $e;
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print "# No suggestions at this time.\n\n";
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($ENV{PTVCDEBUG} || PTDEBUG )
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&& _d('--version-check worked, but there were no suggestions');
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}
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};
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if ( $EVAL_ERROR ) {
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warn "Error doing --version-check: $EVAL_ERROR";
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}
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else {
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update_checks_file($check_time_file, $instances_to_check, $time);
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}
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return;
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}
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sub pingback {
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my (%args) = @_;
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my @required_args = qw(url);
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foreach my $arg ( @required_args ) {
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die "I need a $arg arugment" unless $args{$arg};
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}
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my ($url) = @args{@required_args};
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# Optional args
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my ($instances, $ua, $vc) = @args{qw(instances ua VersionCheck)};
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$ua ||= HTTPMicro->new( timeout => 5 );
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$vc ||= VersionCheck->new();
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# GET https://upgrade.percona.com, the server will return
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# a plaintext list of items/programs it wants the tool
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# to get, one item per line with the format ITEM;TYPE[;VARS]
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# ITEM is the pretty name of the item/program; TYPE is
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# the type of ITEM that helps the tool determine how to
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# get the item's version; and VARS is optional for certain
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# items/types that need extra hints.
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my $response = $ua->request('GET', $url);
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($ENV{PTVCDEBUG} || PTDEBUG) && _d('Server response:', Dumper($response));
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die "No response from GET $url"
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if !$response;
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die("GET on $url returned HTTP status $response->{status}; expected 200\n",
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($response->{content} || '')) if $response->{status} != 200;
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die("GET on $url did not return any programs to check")
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if !$response->{content};
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# Parse the plaintext server response into a hashref keyed on
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# the items like:
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# "MySQL" => {
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# item => "MySQL",
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# type => "mysql_variables",
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# vars => ["version", "version_comment"],
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# }
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my $items = $vc->parse_server_response(
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response => $response->{content}
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);
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die "Failed to parse server requested programs: $response->{content}"
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if !scalar keys %$items;
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# Get the versions for those items in another hashref also keyed on
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# the items like:
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# "MySQL" => "MySQL Community Server 5.1.49-log",
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my $versions = $vc->get_versions(
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items => $items,
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instances => $instances,
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);
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die "Failed to get any program versions; should have at least gotten Perl"
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if !scalar keys %$versions;
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# Join the items and whatever versions are available and re-encode
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# them in same simple plaintext item-per-line protocol, and send
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# it back to Percona.
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my $client_content = encode_client_response(
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items => $items,
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versions => $versions,
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general_id => md5_hex( hostname() ),
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);
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my $client_response = {
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headers => { "X-Percona-Toolkit-Tool" => File::Basename::basename($0) },
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content => $client_content,
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};
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if ( $ENV{PTVCDEBUG} || PTDEBUG ) {
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_d('Client response:', Dumper($client_response));
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}
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$response = $ua->request('POST', $url, $client_response);
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PTDEBUG && _d('Server suggestions:', Dumper($response));
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die "No response from POST $url $client_response"
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if !$response;
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die "POST $url returned HTTP status $response->{status}; expected 200"
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if $response->{status} != 200;
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# If the server does not have any suggestions,
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# there will not be any content.
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return unless $response->{content};
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# If the server has suggestions for items, it sends them back in
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# the same format: ITEM:TYPE:SUGGESTION\n. ITEM:TYPE is mostly for
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# debugging; the tool just repports the suggestions.
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$items = $vc->parse_server_response(
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response => $response->{content},
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split_vars => 0,
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);
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die "Failed to parse server suggestions: $response->{content}"
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if !scalar keys %$items;
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my @suggestions = map { $_->{vars} }
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sort { $a->{item} cmp $b->{item} }
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values %$items;
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return \@suggestions;
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}
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sub time_to_check {
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my ($file, $instances, $time) = @_;
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die "I need a file argument" unless $file;
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$time ||= int(time()); # current time
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# If we have MySQL instances, check only the ones that haven't been
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# seen/checked before or were check > 24 hours ago.
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if ( @$instances ) {
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my $instances_to_check = instances_to_check($file, $instances, $time);
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return scalar @$instances_to_check, $instances_to_check;
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}
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return 1 if !-f $file;
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# No MySQL instances (happens with tools like pt-diskstats), so just
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# check the file's mtime and check if it was updated > 24 hours ago.
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my $mtime = (stat $file)[9];
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if ( !defined $mtime ) {
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PTDEBUG && _d('Error getting modified time of', $file);
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return 1;
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}
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PTDEBUG && _d('time=', $time, 'mtime=', $mtime);
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if ( ($time - $mtime) > $check_time_limit ) {
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return 1;
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}
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# File was updated less than a day ago; don't check yet.
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return 0;
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}
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sub instances_to_check {
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my ($file, $instances, $time, %args) = @_;
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# The time limit file contains "ID,time" lines for each MySQL instance
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# that the last tool connected to. The last tool may have seen fewer
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# or more MySQL instances than the current tool, but we'll read them
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# all and check only the MySQL instances for the current tool.
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my $file_contents = '';
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if (open my $fh, '<', $file) {
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chomp($file_contents = do { local $/ = undef; <$fh> });
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close $fh;
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}
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my %cached_instances = $file_contents =~ /^([^,]+),(.+)$/mg;
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# Check the MySQL instances that have either 1) never been checked
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# (or seen) before, or 2) were check > 24 hours ago.
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my @instances_to_check;
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foreach my $instance ( @$instances ) {
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my $mtime = $cached_instances{ $instance->{id} };
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if ( !$mtime || (($time - $mtime) > $check_time_limit) ) {
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if ( $ENV{PTVCDEBUG} || PTDEBUG ) {
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_d('Time to check MySQL instance', $instance->{name});
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}
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push @instances_to_check, $instance;
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$cached_instances{ $instance->{id} } = $time;
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}
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}
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if ( $args{update_file} ) {
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# Overwrite the time limit file with the check times for instances
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# we're going to check or with the original check time for instances
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# that we're still waiting on.
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open my $fh, '>', $file or die "Cannot open $file for writing: $OS_ERROR";
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while ( my ($id, $time) = each %cached_instances ) {
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print { $fh } "$id,$time\n";
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}
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close $fh or die "Cannot close $file: $OS_ERROR";
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}
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return \@instances_to_check;
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}
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sub update_checks_file {
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my ($file, $instances, $time) = @_;
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# If there's no time limit file, then create it, but
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# don't return yet, let _time_to_check_by_instances() write any MySQL
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# instances to the file, then return.
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if ( !-f $file ) {
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if ( $ENV{PTVCDEBUG} || PTDEBUG ) {
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_d('Creating time limit file', $file);
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}
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_touch($file);
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}
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if ( $instances && @$instances ) {
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instances_to_check($file, $instances, $time, update_file => 1);
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return;
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}
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my $mtime = (stat $file)[9];
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if ( !defined $mtime ) {
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_touch($file);
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return;
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}
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PTDEBUG && _d('time=', $time, 'mtime=', $mtime);
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if ( ($time - $mtime) > $check_time_limit ) {
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_touch($file);
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return;
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}
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return;
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}
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sub _touch {
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my ($file) = @_;
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sysopen my $fh, $file, O_WRONLY|O_CREAT
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or die "Cannot create $file : $!";
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close $fh or die "Cannot close $file : $!";
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utime(undef, undef, $file);
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}
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sub _generate_identifier {
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my $instance = shift;
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my $dbh = $instance->{dbh};
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my $dsn = $instance->{dsn};
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# MySQL 5.1+ has @@hostname and @@port
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# MySQL 5.0 has @@hostname but port only in SHOW VARS
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# MySQL 4.x has nothing, so we use the dsn
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my $sql = q{SELECT CONCAT(@@hostname, @@port)};
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PTDEBUG && _d($sql);
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my ($name) = eval { $dbh->selectrow_array($sql) };
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if ( $EVAL_ERROR ) {
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# MySQL 4.x or 5.0
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PTDEBUG && _d($EVAL_ERROR);
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$sql = q{SELECT @@hostname};
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PTDEBUG && _d($sql);
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($name) = eval { $dbh->selectrow_array($sql) };
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if ( $EVAL_ERROR ) {
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# MySQL 4.x
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PTDEBUG && _d($EVAL_ERROR);
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$name = ($dsn->{h} || 'localhost') . ($dsn->{P} || 3306);
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}
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else {
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# MySQL 5.0
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$sql = q{SHOW VARIABLES LIKE 'port'};
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PTDEBUG && _d($sql);
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my (undef, $port) = eval { $dbh->selectrow_array($sql) };
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PTDEBUG && _d('port:', $port);
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$name .= $port || '';
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}
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}
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my $id = md5_hex($name);
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if ( $ENV{PTVCDEBUG} || PTDEBUG ) {
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_d('MySQL instance', $name, 'is', $id);
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}
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return $name, $id;
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}
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sub encode_client_response {
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my (%args) = @_;
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my @required_args = qw(items versions general_id);
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foreach my $arg ( @required_args ) {
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die "I need a $arg arugment" unless $args{$arg};
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}
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my ($items, $versions, $general_id) = @args{@required_args};
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# There may not be a version for each item. For example, the server
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# may have requested the "MySQL" (version) item, but if the tool
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# didn't connect to MySQL, there won't be a $versions->{MySQL}.
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# That's ok; just use what we've got.
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# NOTE: the sort is only need to make testing deterministic.
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my @lines;
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foreach my $item ( sort keys %$items ) {
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next unless exists $versions->{$item};
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if ( ref($versions->{$item}) eq 'HASH' ) {
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my $mysql_versions = $versions->{$item};
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for my $id ( sort keys %$mysql_versions ) {
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push @lines, join(';', $id, $item, $mysql_versions->{$id});
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}
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}
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else {
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push @lines, join(';', $general_id, $item, $versions->{$item});
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}
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}
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my $client_response = join("\n", @lines) . "\n";
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return $client_response;
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}
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sub parse_server_response {
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my ($self, %args) = @_;
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my @required_args = qw(response);
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foreach my $arg ( @required_args ) {
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die "I need a $arg arugment" unless $args{$arg};
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}
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my ($response) = @args{@required_args};
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my %items = map {
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my ($item, $type, $vars) = split(";", $_);
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if ( !defined $args{split_vars} || $args{split_vars} ) {
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$vars = [ split(",", ($vars || '')) ];
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}
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$item => {
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item => $item,
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type => $type,
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vars => $vars,
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};
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} split("\n", $response);
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PTDEBUG && _d('Items:', Dumper(\%items));
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return \%items;
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}
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sub get_versions {
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my ($self, %args) = @_;
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my @required_args = qw(items);
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foreach my $arg ( @required_args ) {
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die "I need a $arg arugment" unless $args{$arg};
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}
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my ($items) = @args{@required_args};
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my %versions;
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foreach my $item ( values %$items ) {
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next unless $self->valid_item($item);
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eval {
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my $func = 'get_' . $item->{type};
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my $version = $self->$func(
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item => $item,
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instances => $args{instances},
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);
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if ( $version ) {
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chomp $version unless ref($version);
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$versions{$item->{item}} = $version;
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}
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};
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if ( $EVAL_ERROR ) {
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PTDEBUG && _d('Error getting version for', Dumper($item), $EVAL_ERROR);
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}
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}
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return \%versions;
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}
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sub valid_item {
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my ($self, $item) = @_;
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return unless $item;
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if ( ($item->{type} || '') !~ m/$self->{valid_types}/ ) {
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PTDEBUG && _d('Invalid type:', $item->{type});
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return;
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|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
sub get_os_version {
|
|
my ($self) = @_;
|
|
|
|
if ( $OSNAME eq 'MSWin32' ) {
|
|
require Win32;
|
|
return Win32::GetOSDisplayName();
|
|
}
|
|
|
|
chomp(my $platform = `uname -s`);
|
|
PTDEBUG && _d('platform:', $platform);
|
|
return $OSNAME unless $platform;
|
|
|
|
chomp(my $lsb_release
|
|
= `which lsb_release 2>/dev/null | awk '{print \$1}'` || '');
|
|
PTDEBUG && _d('lsb_release:', $lsb_release);
|
|
|
|
my $release = "";
|
|
|
|
if ( $platform eq 'Linux' ) {
|
|
if ( -f "/etc/fedora-release" ) {
|
|
$release = `cat /etc/fedora-release`;
|
|
}
|
|
elsif ( -f "/etc/redhat-release" ) {
|
|
$release = `cat /etc/redhat-release`;
|
|
}
|
|
elsif ( -f "/etc/system-release" ) {
|
|
$release = `cat /etc/system-release`;
|
|
}
|
|
elsif ( $lsb_release ) {
|
|
$release = `$lsb_release -ds`;
|
|
}
|
|
elsif ( -f "/etc/lsb-release" ) {
|
|
$release = `grep DISTRIB_DESCRIPTION /etc/lsb-release`;
|
|
$release =~ s/^\w+="([^"]+)".+/$1/;
|
|
}
|
|
elsif ( -f "/etc/debian_version" ) {
|
|
chomp(my $rel = `cat /etc/debian_version`);
|
|
$release = "Debian $rel";
|
|
if ( -f "/etc/apt/sources.list" ) {
|
|
chomp(my $code_name = `awk '/^deb/ {print \$3}' /etc/apt/sources.list | awk -F/ '{print \$1}'| awk 'BEGIN {FS="|"} {print \$1}' | sort | uniq -c | sort -rn | head -n1 | awk '{print \$2}'`);
|
|
$release .= " ($code_name)" if $code_name;
|
|
}
|
|
}
|
|
elsif ( -f "/etc/os-release" ) { # openSUSE
|
|
chomp($release = `grep PRETTY_NAME /etc/os-release`);
|
|
$release =~ s/^PRETTY_NAME="(.+)"$/$1/;
|
|
}
|
|
elsif ( `ls /etc/*release 2>/dev/null` ) {
|
|
if ( `grep DISTRIB_DESCRIPTION /etc/*release 2>/dev/null` ) {
|
|
$release = `grep DISTRIB_DESCRIPTION /etc/*release | head -n1`;
|
|
}
|
|
else {
|
|
$release = `cat /etc/*release | head -n1`;
|
|
}
|
|
}
|
|
}
|
|
elsif ( $platform =~ m/(?:BSD|^Darwin)$/ ) {
|
|
my $rel = `uname -r`;
|
|
$release = "$platform $rel";
|
|
}
|
|
elsif ( $platform eq "SunOS" ) {
|
|
my $rel = `head -n1 /etc/release` || `uname -r`;
|
|
$release = "$platform $rel";
|
|
}
|
|
|
|
if ( !$release ) {
|
|
PTDEBUG && _d('Failed to get the release, using platform');
|
|
$release = $platform;
|
|
}
|
|
chomp($release);
|
|
|
|
# For Gentoo, which returns a value in quotes
|
|
$release =~ s/^"|"$//g;
|
|
|
|
PTDEBUG && _d('OS version =', $release);
|
|
return $release;
|
|
}
|
|
|
|
sub get_perl_version {
|
|
my ($self, %args) = @_;
|
|
my $item = $args{item};
|
|
return unless $item;
|
|
|
|
my $version = sprintf '%vd', $PERL_VERSION;
|
|
PTDEBUG && _d('Perl version', $version);
|
|
return $version;
|
|
}
|
|
|
|
sub get_perl_module_version {
|
|
my ($self, %args) = @_;
|
|
my $item = $args{item};
|
|
return unless $item;
|
|
|
|
# If there's a var, then its an explicit Perl variable name to get,
|
|
# else the item name is an implicity Perl module name to which we
|
|
# append ::VERSION to get the module's version.
|
|
my $var = $item->{item} . '::VERSION';
|
|
my $version = _get_scalar($var);
|
|
PTDEBUG && _d('Perl version for', $var, '=', "$version");
|
|
|
|
# Explicitly stringify this else $PERL_VERSION will return
|
|
# as a version object.
|
|
return $version ? "$version" : $version;
|
|
}
|
|
|
|
sub _get_scalar {
|
|
no strict;
|
|
return ${*{shift()}};
|
|
}
|
|
|
|
sub get_mysql_variable {
|
|
my $self = shift;
|
|
return $self->_get_from_mysql(
|
|
show => 'VARIABLES',
|
|
@_,
|
|
);
|
|
}
|
|
|
|
sub _get_from_mysql {
|
|
my ($self, %args) = @_;
|
|
my $show = $args{show};
|
|
my $item = $args{item};
|
|
my $instances = $args{instances};
|
|
return unless $show && $item;
|
|
|
|
if ( !$instances || !@$instances ) {
|
|
if ( $ENV{PTVCDEBUG} || PTDEBUG ) {
|
|
_d('Cannot check', $item, 'because there are no MySQL instances');
|
|
}
|
|
return;
|
|
}
|
|
|
|
my @versions;
|
|
my %version_for;
|
|
foreach my $instance ( @$instances ) {
|
|
my $dbh = $instance->{dbh};
|
|
local $dbh->{FetchHashKeyName} = 'NAME_lc';
|
|
my $sql = qq/SHOW $show/;
|
|
PTDEBUG && _d($sql);
|
|
my $rows = $dbh->selectall_hashref($sql, 'variable_name');
|
|
|
|
my @versions;
|
|
foreach my $var ( @{$item->{vars}} ) {
|
|
$var = lc($var);
|
|
my $version = $rows->{$var}->{value};
|
|
PTDEBUG && _d('MySQL version for', $item->{item}, '=', $version,
|
|
'on', $instance->{name});
|
|
push @versions, $version;
|
|
}
|
|
|
|
$version_for{ $instance->{id} } = join(' ', @versions);
|
|
}
|
|
|
|
return \%version_for;
|
|
}
|
|
|
|
sub get_bin_version {
|
|
my ($self, %args) = @_;
|
|
my $item = $args{item};
|
|
my $cmd = $item->{item};
|
|
return unless $cmd;
|
|
|
|
my $sanitized_command = File::Basename::basename($cmd);
|
|
PTDEBUG && _d('cmd:', $cmd, 'sanitized:', $sanitized_command);
|
|
return if $sanitized_command !~ /\A[a-zA-Z0-9_-]+\z/;
|
|
|
|
my $output = `$sanitized_command --version 2>&1`;
|
|
PTDEBUG && _d('output:', $output);
|
|
|
|
my ($version) = $output =~ /v?([0-9]+\.[0-9]+(?:\.[\w-]+)?)/;
|
|
|
|
PTDEBUG && _d('Version for', $sanitized_command, '=', $version);
|
|
return $version;
|
|
}
|
|
|
|
1;
|
|
}
|
|
# ###########################################################################
|
|
# End VersionCheck package
|
|
# ###########################################################################
|