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slords |
1.1 |
--- e-smith-backup-2.0.0/root/etc/e-smith/events/actions/workstation-backup-dar.timeout 2008-10-07 11:34:31.000000000 -0600 |
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+++ e-smith-backup-2.0.0/root/etc/e-smith/events/actions/workstation-backup-dar 2008-10-20 09:32:14.000000000 -0600 |
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@@ -30,6 +30,8 @@ |
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use esmith::ConfigDB; |
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sub ldie; |
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+sub start_dar_killer; |
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+sub run_backup; |
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my $job = shift || 'DailyBackup'; |
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my $report; |
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@@ -257,32 +259,7 @@ |
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# launching dar backup |
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-$err = system("/usr/bin/timeout", |
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- "-s", |
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- "TERM", |
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- "$timeout", |
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- "/usr/bin/dar", |
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- "-c", |
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- "$tmpdir/$id/$bkname", |
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- split(/\s+/,$ref), |
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- "-B", |
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- "/etc/dar/$job.dcf"); |
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- |
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-if ($err == 0) |
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-{ |
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- $report .= "Backup completed successfully on temporary dir \n"; |
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-} |
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-elsif ($err == 15) |
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-{ |
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- $report .= "Partial backup stored on temp dir.\n" |
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- . " Session closed by timeout after $timeout seconds.\n" |
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- . "Not an error, backup process will continue next night.\n"; |
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-} |
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-else |
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-{ |
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- $err = $err >> 8; |
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- ldie("Dar error during backup : $err \n"); |
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-} |
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+run_backup(); |
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if ($incnum == 0) |
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{ |
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@@ -338,3 +315,63 @@ |
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system("/bin/umount", "$mntdir") if $mntdone; |
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die($errmsg); |
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} |
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+ |
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+sub start_dar_killer |
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+{ |
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+ my ($darpid, $gracetime) = @_; |
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+ my $tick = $gracetime/10; |
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+ |
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+ my $killer = fork; |
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+ return $killer if $killer; |
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+ |
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+ POSIX::setsid; |
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+ chdir '/'; |
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+ #fork && exit; |
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+ |
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+ warn "Dar killer $$ started for PID $darpid with gracetime $gracetime\n"; |
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+ # wait for timeout or backup termination |
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+ while ($tick > 0) { |
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+ sleep 10; |
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+ $tick--; |
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+ exit unless (kill(0, $darpid)); |
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+ } |
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+ |
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+ if (kill(0, $darpid)) { |
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+ do { |
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+ warn "Cleanly stops $darpid dar process\n"; |
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+ } while (kill('QUIT', $darpid) != 1); |
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+ } |
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+ warn "Partial backup stored on backup workstation.\n", |
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+ "Session cleanly closed by timeout after $timeout seconds.\n", |
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+ "Not an error, backup process will continue next night.\n"; |
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+ |
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+ exit; |
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+} |
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+ |
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+sub run_backup |
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+{ |
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+ my $data = undef; |
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+ my $pid = undef; |
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+ my $killerpid = undef; |
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+ |
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+ eval { |
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+ ($pid = open INPUT, "-|", "/usr/bin/dar", "--create", "$tmpdir/$id/$bkname", split(/\s+/,$ref), "-B", "/etc/dar/$job.dcf") or ldie("cannot start : $!" ); |
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+ warn "Running dar backup with PID $pid\n"; |
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+ |
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+ if ($pid) { |
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+ $killerpid = start_dar_killer($pid, $timeout); } |
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+ $data = do { local($/); <INPUT> }; |
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+ close(INPUT); |
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+ }; |
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+ $report .= $data; |
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+ |
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+ if ($killerpid && kill(0, $killerpid)) { |
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+ do { |
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+ warn "Killing killer $killerpid\n"; |
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+ } while (kill(9, $killerpid) != 1); |
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+ |
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+ waitpid($killerpid, 0); |
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+ } |
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+ |
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+ return; |
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+} |
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