2 # Batch EXecutor 3.0 -- Parallel Execution Using Screen
3 # (c) 2011-2012 Martin Mares <mj@ucw.cz>
13 my $screen_session = 'BEX';
18 Usage: bex prun [<options>] [[!]<machine-or-class> ...]
21 -q, --queue=<name> Run jobs in the given queue
22 --session=<name> Job windows should be opened within the given screen
23 session (default: BEX)
24 --text Use textual user interface instead of curses
30 "q|queue=s" => \$queue_name,
31 "session=s" => \$screen_session,
32 "text!" => \$text_mode,
34 ) or die "Try `bex prun --help' for more information.\n";
36 system 'screen', '-S', $screen_session, '-X', 'select', '.';
37 !$? or die "Screen session $screen_session not found\n";
39 my $queue = BEX::Queue->new($queue_name);
40 my $fifo_name = $queue->{'Name'} . '/status-fifo';
42 mkfifo $fifo_name, 0700 or die "Cannot create $fifo_name: $!";
43 open FIFO, '+<', $fifo_name or die "Cannot open $fifo_name: $!";
45 my $ui = ($text_mode ? BEX::bprun::text->new : BEX::bprun::curses->new);
48 for my $mach (BEX::Config::parse_machine_list(@ARGV ? @ARGV : '*')) {
49 my @jobs = $queue->scan($mach);
51 push @machines, $mach;
52 for (@jobs) { $ui->update($mach, $_, 'READY'); }
56 my $max = $BEX::Config::max_parallel_jobs;
58 while (keys %running || @machines) {
59 if (@machines && keys %running < $max) {
60 my $mach = shift @machines;
61 $ui->update($mach, undef, 'START');
62 my @scr = ('screen', '-t', $mach);
63 push @scr, '-S', $screen_session if defined $screen_session;
64 push @scr, '-X', 'screen', './brun', "--status-fifo=$fifo_name", $mach;
66 !$? or $ui->update($mach, undef, 'INTERR');
67 $running{$mach} = 'START';
72 my ($mach, $jid, $stat) = /^! (\S+) (\S+) (\S+)$/;
74 $ui->err("Received invalid status message <$_>");
77 if (!defined $running{$mach}) {
78 $ui->err("Received status message <$_> for a machine which does not run");
81 $running{$mach} = $stat;
82 $ui->update($mach, ($jid eq '-' ? undef : $jid), $stat);
83 if ($stat eq 'DONE') {
84 delete $running{$mach};
92 package BEX::bprun::text;
102 my ($ui, $mach, $jid, $stat) = @_;
103 print +($mach // '-'), (defined($jid) ? ":$jid" : ""), " $stat\n";
108 print STDERR "ERROR: $msg\n";
111 package BEX::bprun::curses;
127 my %host_last_fail_job;
128 my %host_last_fail_stat;
133 has_colors && COLORS >= 8 && COLOR_PAIRS >= 8 or die "Your terminal is too dumb for me\n";
139 init_pair(1, COLOR_YELLOW, COLOR_BLUE);
140 init_pair(2, COLOR_YELLOW, COLOR_RED);
141 init_pair(3, COLOR_YELLOW, COLOR_BLACK);
142 init_pair(4, COLOR_RED, COLOR_BLACK);
144 $nrows = $C->getmaxy - 2;
145 if ($BEX::Config::max_parallel_jobs > $nrows) {
146 $BEX::Config::max_parallel_jobs = $nrows;
149 %host_state = %host_cnt = ();
150 %job_state = %job_cnt = ();
151 for my $s ('unknown', 'ready', 'running', 'done', 'failed') {
153 $job_cnt{'*'}{$s} = 0;
163 $C->bkgdset(COLOR_PAIR(1) | A_BOLD);
164 $C->addstr($C->getmaxy-1, 0, "Press any key to quit...");
172 $C->bkgdset(COLOR_PAIR(2) | A_BOLD);
173 $C->addnstr($C->getmaxy-1, 0, "ERROR: $msg", $C->getmaxx);
178 sub set_host_status($$$) {
179 my ($ui, $mach, $stat) = @_;
180 my $prev_stat = $host_state{$mach};
181 if (defined $prev_stat) {
182 $host_cnt{$prev_stat}--;
184 for my $s ('unknown', 'ready', 'running', 'done', 'failed') { $job_cnt{$mach}{$s} = 0; }
186 $host_state{$mach} = $stat;
190 sub set_job_status($$$$) {
191 my ($ui, $mach, $jid, $stat) = @_;
192 my $prev_stat = $job_state{$mach}{$jid} // 'unknown';
193 $job_cnt{$mach}{$prev_stat}--;
194 $job_cnt{'*'}{$prev_stat}--;
195 $job_state{$mach}{$jid} = $stat;
196 $job_cnt{$mach}{$stat}++;
197 $job_cnt{'*'}{$stat}++;
200 sub refresh_status($) {
201 $C->bkgdset(COLOR_PAIR(1) | A_BOLD);
203 sprintf("BEX Hosts: %dR %dD %dE %dW Jobs: %dR %dD %dE %dW",
204 $host_cnt{'running'},
208 $job_cnt{'*'}{'running'},
209 $job_cnt{'*'}{'done'},
210 $job_cnt{'*'}{'failed'},
211 $job_cnt{'*'}{'ready'},
220 if (defined ($s = $by_host{$mach})) {
224 for my $i (0..$nrows-1) {
230 } elsif ($r->{'Gone'} && (!$best || $best->{'Gone'} > $r->{'Gone'})) {
236 delete $by_host{$best->{'Host'}};
238 $s->{'Host'} = $mach;
239 $s->{'Row'} = $besti;
240 $by_host{$mach} = $s;
241 $by_row[$besti] = $s;
246 my $gone_counter = 1;
249 $s->{'Gone'} = $gone_counter++;
254 my $mach = $s->{'Host'};
255 my $stat = $s->{'Status'} // "?";
256 my $jid = $s->{'Job'} // "";
257 my $jname = ($jid eq "" ? "" : $queue->job_name($jid));
258 my $jcnt = $job_cnt{$mach};
259 if ($jcnt->{'running'}) {
260 if ($jcnt->{'failed'}) {
261 $C->bkgdset(COLOR_PAIR(4) | A_BOLD);
263 $C->bkgdset(COLOR_PAIR(3) | A_BOLD);
266 if ($jcnt->{'failed'}) {
267 $C->bkgdset(COLOR_PAIR(4));
272 my $r = $s->{'Row'} + 1;
273 $C->addstr($r, 0, sprintf("%-20.20s", $mach));
274 if ($jcnt->{'failed'}) {
275 $C->bkgdset(COLOR_PAIR(4));
276 $C->addstr(sprintf("%3dE ", $jcnt->{'failed'}));
282 $C->addstr(sprintf("%3dD %3dW", $jcnt->{'done'}, $jcnt->{'ready'}));
283 if ($stat eq 'DONE') {
284 if (defined $host_last_fail_stat{$mach}) {
285 $C->bkgdset(COLOR_PAIR(4));
286 $C->addstr(sprintf(" %-8s %s", $host_last_fail_stat{$mach}, $queue->job_name($host_last_fail_job{$mach})));
289 my $text = sprintf(" %-8s %s", $stat, $jname);
297 my ($ui, $mach, $jid, $stat) = @_;
298 my $s = get_slot($mach);
301 # Pseudo-state generated internally
302 $ui->set_host_status($mach, 'ready');
303 $ui->set_job_status($mach, $jid, 'ready');
306 $ui->set_job_status($mach, $jid, 'done');
308 when (['FAILED', 'INTERR', 'NOPING', 'PREPFAIL']) {
309 $ui->set_job_status($mach, $jid, 'failed');
310 $host_last_fail_job{$mach} = $jid;
311 $host_last_fail_stat{$mach} = $stat;
314 if ($job_cnt{$mach}{'failed'}) {
315 $ui->set_host_status($mach, 'failed');
317 $ui->set_host_status($mach, 'done');
321 $ui->set_host_status($mach, 'running');
322 $ui->set_job_status($mach, $jid, 'running') if defined $jid;
326 $ui->set_job_status($mach, $jid, 'failed');
328 for my $j (keys %{$job_state{$mach}}) {
329 $ui->set_job_status($mach, $jid, 'failed');
331 $ui->set_host_status($mach, 'failed');
332 $host_last_fail_job{$mach} = $jid;
333 $host_last_fail_stat{$mach} = $stat;
336 when (['START', 'PING', 'SEND', 'RUN']) {
339 $ui->err("Received unknown job status $stat");
343 $s->{'Status'} = $stat;
345 if ($stat eq 'DONE') { delete_slot($s); }