hydra/src/script/hydra-build
2012-04-30 17:57:13 +02:00

475 lines
16 KiB
Perl
Executable file

#! /var/run/current-system/sw/bin/perl -w
use strict;
use File::Basename;
use File::stat;
use Nix::Store;
use Hydra::Schema;
use Hydra::Helper::Nix;
use Hydra::Model::DB;
use Hydra::Helper::AddBuilds;
use Email::Sender::Simple qw(sendmail);
use Email::Sender::Transport::SMTP;
use Email::Simple;
use Email::Simple::Creator;
use Sys::Hostname::Long;
use Config::General;
use Text::Table;
use POSIX qw(strftime);
use Net::Twitter::Lite;
use Data::Dump qw(dump);
use feature qw/switch/;
STDOUT->autoflush();
my $db = Hydra::Model::DB->new();
my %config = new Config::General(getHydraConf)->getall;
sub sendTwitterNotification {
my ($build) = @_;
return unless (defined $ENV{'TWITTER_USER'} && defined $ENV{'TWITTER_PASS'});
my $addURL = defined $config{'base_uri'};
my $jobName = $build->project->name . ":" . $build->jobset->name . ":" . $build->job->name;
my $status = $build->buildstatus == 0 ? "SUCCEEDED" : "FAILED";
my $system = $build->system;
my $duration = ($build->stoptime - $build->starttime) . " seconds";
my $url = $config{'base_uri'}."/build/".$build->id ;
my $nt = Net::Twitter::Lite->new(
username => $ENV{'TWITTER_USER'},
password => $ENV{'TWITTER_PASS'},
clientname => "Hydra Build Daemon"
);
my $tag = $build->project->name;
my $msg = "$jobName ($system): $status in $duration #$tag";
if (length($msg) + 1 + length($url) <= 140) {
$msg = "$msg $url" ;
}
eval {
my $result = eval { $nt->update($msg) };
};
warn "$@\n" if $@;
}
sub statusDescription {
my ($buildstatus) = @_;
my $status = "Failed";
given ($buildstatus) {
when (0) { $status = "Success"; }
when (1) { $status = "Failed with non-zero exit code"; }
when (2) { $status = "Dependency failed"; }
when (4) { $status = "Cancelled"; }
}
return $status;
}
sub sendEmailNotification {
my ($build) = @_;
die unless $build->finished;
return if ! ( $build->jobset->enableemail && ($build->maintainers ne "" || $build->jobset->emailoverride ne "") );
# Do we want to send mail?
my $prevBuild;
($prevBuild) = $db->resultset('Builds')->search(
{ project => $build->project->name
, jobset => $build->jobset->name
, job => $build->job->name
, system => $build->system
, finished => 1
, id => { '<', $build->id }
}, { order_by => ["id DESC"] }
);
# if there is a previous build with same buildstatus, do not send email
if (defined $prevBuild && ($build->buildstatus == $prevBuild->buildstatus)) {
return;
}
# if buildstatus of this build or the previous one is aborted, do
# not send email
if ($build->buildstatus == 3 || (defined $prevBuild && ($prevBuild->buildstatus == 3))) {
return;
}
# Send mail.
# !!! should use the Template Toolkit here.
print STDERR "sending mail notification to ", $build->maintainers, "\n";
my $jobName = $build->project->name . ":" . $build->jobset->name . ":" . $build->job->name;
my $status = statusDescription($build->buildstatus);
my $baseurl = hostname_long ;
my $sender = $config{'notification_sender'} ||
(($ENV{'USER'} || "hydra") . "@" . $baseurl);
my $selfURI = $config{'base_uri'} || "http://localhost:3000";
sub showTime { my ($x) = @_; return strftime('%Y-%m-%d %H:%M:%S', localtime($x)); }
my $infoTable = Text::Table->new({ align => "left" }, \ " | ", { align => "left" });
my @lines = (
[ "Build ID:", $build->id ],
[ "Nix name:", $build->nixname ],
[ "Short description:", $build->description || '(not given)' ],
[ "Maintainer(s):", $build->maintainers ],
[ "System:", $build->system ],
[ "Derivation store path:", $build->drvpath ],
[ "Output store path:", $build->outpath ],
[ "Time added:", showTime $build->timestamp ],
);
push @lines, (
[ "Build started:", showTime $build->starttime ],
[ "Build finished:", showTime $build->stoptime ],
[ "Duration:", $build->stoptime - $build->starttime . "s" ],
) if $build->starttime;
$infoTable->load(@lines);
my $inputsTable = Text::Table->new(
{ title => "Name", align => "left" }, \ " | ",
{ title => "Type", align => "left" }, \ " | ",
{ title => "Value", align => "left" });
@lines = ();
foreach my $input ($build->inputs) {
my $type = $input->type;
push @lines,
[ $input->name
, $input->type
, ( $input->type eq "build" || $input->type eq "sysbuild")
? $input->dependency->id
: ($input->type eq "string" || $input->type eq "boolean")
? $input->value : ($input->uri . ':' . $input->revision)
];
}
$inputsTable->load(@lines);
my $loglines = 50;
my $logfile = $build->logfile;
my $logtext = defined $logfile && -e $logfile ? `tail -$loglines $logfile` : "No logfile available.\n";
$logtext = removeAsciiEscapes($logtext);
my $body = "Hi,\n"
. "\n"
. "This is to let you know that Hydra build " . $build->id
. " of job " . $jobName . " " . (defined $prevBuild ? "has changed from '" . statusDescription($prevBuild->buildstatus) . "' to '$status'" : "is '$status'" ) .".\n"
. "\n"
. "Complete build information can be found on this page: "
. "$selfURI/build/" . $build->id . "\n"
. ($build->buildstatus != 0 ? "\nThe last $loglines lines of the build log are shown at the bottom of this email.\n" : "")
. "\n"
. "A summary of the build information follows:\n"
. "\n"
. $infoTable->body
. "\n"
. "The build inputs were:\n"
. "\n"
. $inputsTable->title
. $inputsTable->rule('-', '+')
. $inputsTable->body
. "\n"
. "Regards,\n\nThe Hydra build daemon.\n"
. ($build->buildstatus != 0 ? "\n---\n$logtext" : "");
# stripping trailing spaces from lines
$body =~ s/[\ ]+$//gm;
my $to = (!$build->jobset->emailoverride eq "") ? $build->jobset->emailoverride : $build->maintainers;
my $email = Email::Simple->create(
header => [
To => $to,
From => "Hydra Build Daemon <$sender>",
Subject => "Hydra job $jobName on " . $build->system . ", build " . $build->id . ": $status",
'X-Hydra-Instance' => $baseurl,
'X-Hydra-Project' => $build->project->name,
'X-Hydra-Jobset' => $build->jobset->name,
'X-Hydra-Job' => $build->job->name,
'X-Hydra-System' => $build->system
],
body => "",
);
$email->body_set($body);
print $email->as_string if $ENV{'HYDRA_MAIL_TEST'};
sendmail($email);
}
sub doBuild {
my ($build) = @_;
my $drvPath = $build->drvpath;
my $outPath = $build->outpath;
my $maxsilent = $build->maxsilent;
my $timeout = $build->timeout;
my $isCachedBuild = 1;
my $outputCreated = 1; # i.e., the Nix build succeeded (but it could be a positive failure)
my $startTime = 0;
my $stopTime = 0;
my $buildStatus = 0; # = succeeded
my $errormsg = undef;
if (!isValidPath($outPath)) {
$isCachedBuild = 0;
# Do the build.
$startTime = time();
my $thisBuildFailed = 0;
my $someBuildFailed = 0;
# Run Nix to perform the build, and monitor the stderr output
# to get notifications about specific build steps, the
# associated log files, etc.
# Note: `--timeout' was added in Nix 1.0pre27564, June 2011.
my $cmd = "nix-store --realise $drvPath " .
"--timeout $timeout " .
"--max-silent-time $maxsilent --keep-going --fallback " .
"--no-build-output --log-type flat --print-build-trace " .
"--add-root " . gcRootFor $outPath . " 2>&1";
my $max = $build->buildsteps->find(
{}, {select => {max => 'stepnr + 1'}, as => ['max']});
my $buildStepNr = (defined $max && defined $max->get_column('max')) ? $max->get_column('max') : 1;
my %buildSteps;
open OUT, "$cmd |" or die;
while (<OUT>) {
$errormsg .= $_;
unless (/^@\s+/) {
print STDERR "$_";
next;
}
if (/^@\s+build-started\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)$/) {
my $drvPathStep = $1;
txn_do($db, sub {
$build->buildsteps->create(
{ stepnr => ($buildSteps{$drvPathStep} = $buildStepNr++)
, type => 0 # = build
, drvpath => $drvPathStep
, outpath => $2
, system => $3
, logfile => $4
, busy => 1
, starttime => time
});
});
}
elsif (/^@\s+build-remote\s+(\S+)\s+(\S+)$/) {
my $drvPathStep = $1;
my $machine = $2;
txn_do($db, sub {
my $step = $build->buildsteps->find({stepnr => $buildSteps{$drvPathStep}}) or die;
$step->update({machine => $machine});
});
}
elsif (/^@\s+build-succeeded\s+(\S+)\s+(\S+)$/) {
my $drvPathStep = $1;
txn_do($db, sub {
my $step = $build->buildsteps->find({stepnr => $buildSteps{$drvPathStep}}) or die;
my $stepOutpath = $step->outpath;
my $stepStatus = 0;
$step->update({busy => 0, status => $stepStatus, stoptime => time});
});
}
elsif (/^@\s+build-failed\s+(\S+)\s+(\S+)\s+(\S+)\s+(.*)$/) {
my $drvPathStep = $1;
$someBuildFailed = 1;
$thisBuildFailed = 1 if $drvPath eq $drvPathStep;
my $errorMsg = $4;
$errorMsg = "build failed previously (cached)" if $3 eq "cached";
txn_do($db, sub {
if ($buildSteps{$drvPathStep}) {
my $step = $build->buildsteps->find({stepnr => $buildSteps{$drvPathStep}}) or die;
$step->update({busy => 0, status => 1, errormsg => $errorMsg, stoptime => time});
}
# Don't write a record if this derivation already
# failed previously. This can happen if this is a
# restarted build.
elsif (scalar $build->buildsteps->search({drvpath => $drvPathStep, type => 0, busy => 0, status => 1}) == 0) {
$build->buildsteps->create(
{ stepnr => ($buildSteps{$drvPathStep} = $buildStepNr++)
, type => 0 # = build
, drvpath => $drvPathStep
, outpath => $2
, logfile => getBuildLog($drvPathStep)
, busy => 0
, status => 1
, starttime => time
, stoptime => time
, errormsg => $errorMsg
});
}
});
}
elsif (/^@\s+substituter-started\s+(\S+)\s+(\S+)$/) {
my $outPath = $1;
txn_do($db, sub {
$build->buildsteps->create(
{ stepnr => ($buildSteps{$outPath} = $buildStepNr++)
, type => 1 # = substitution
, outpath => $1
, busy => 1
, starttime => time
});
});
}
elsif (/^@\s+substituter-succeeded\s+(\S+)$/) {
my $outPath = $1;
txn_do($db, sub {
my $step = $build->buildsteps->find({stepnr => $buildSteps{$outPath}}) or die;
$step->update({busy => 0, status => 0, stoptime => time});
});
}
elsif (/^@\s+substituter-failed\s+(\S+)\s+(\S+)\s+(\S+)$/) {
my $outPath = $1;
txn_do($db, sub {
my $step = $build->buildsteps->find({stepnr => $buildSteps{$outPath}}) or die;
$step->update({busy => 0, status => 1, errormsg => $3, stoptime => time});
});
}
else {
print STDERR "unknown Nix trace message: $_";
}
}
close OUT;
my $res = $?;
$stopTime = time();
if ($res != 0) {
if ($thisBuildFailed && $res == 100 << 8) { $buildStatus = 1; }
elsif ($someBuildFailed) { $buildStatus = 2; }
else { $buildStatus = 3; }
}
# Only store the output of running Nix if we have a miscellaneous error.
$errormsg = undef unless $buildStatus == 3;
}
done:
my $logfile = getBuildLog($drvPath);
my $logsize = defined $logfile ? stat($logfile)->size : 0;
my $size = 0;
my $closuresize = 0;
if (isValidPath($outPath)) {
my ($deriver, $hash, $time, $narSize, $refs) = queryPathInfo($outPath);
$size = $narSize;
my @closure = computeFSClosure(0, 0, $outPath);
foreach my $path (@closure) {
my ($deriver, $hash, $time, $narSize, $refs) = queryPathInfo($path);
$closuresize += $narSize;
}
}
txn_do($db, sub {
my $releaseName = getReleaseName($outPath);
$buildStatus = 6 if $buildStatus == 0 && -f "$outPath/nix-support/failed";
$build->update(
{ finished => 1
, busy => 0
, locker => ''
, logfile => ''
, timestamp => time # !!! Why change the timestamp?
, iscachedbuild => $isCachedBuild
, buildstatus => $buildStatus
, starttime => $startTime
, stoptime => $stopTime
, logfile => $logfile
, logsize => $logsize
, size => $size
, closuresize => $closuresize
, errormsg => $errormsg
, releasename => $releaseName
});
if ($buildStatus == 0 || $buildStatus == 6) {
addBuildProducts($db, $build);
}
});
sendEmailNotification $build;
sendTwitterNotification $build;
}
my $buildId = $ARGV[0] or die "syntax: $0 BUILD-ID\n";
print STDERR "performing build $buildId\n";
if ($ENV{'HYDRA_MAIL_TEST'}) {
sendEmailNotification $db->resultset('Builds')->find($buildId);
exit 0;
}
if ($ENV{'HYDRA_TWITTER_TEST'}) {
sendTwitterNotification $db->resultset('Builds')->find($buildId);
exit 0;
}
# Lock the build. If necessary, steal the lock from the parent
# process (runner.pl). This is so that if the runner dies, the
# children (i.e. the build.pl instances) can continue to run and won't
# have the lock taken away.
my $build;
txn_do($db, sub {
$build = $db->resultset('Builds')->find($buildId);
die "build $buildId doesn't exist" unless defined $build;
die "build $buildId already done" if $build->finished;
if ($build->busy != 0 && $build->locker != getppid) {
die "build $buildId is already being built";
}
$build->update({busy => 1, locker => $$});
$build->buildsteps->search({busy => 1})->delete_all;
$build->buildproducts->delete_all;
});
die unless $build;
# Do the build. If it throws an error, unlock the build so that it
# can be retried.
eval {
doBuild $build;
print "done\n";
};
if ($@) {
warn $@;
txn_do($db, sub {
$build->update({busy => 0, locker => $$});
});
}