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make qemu_drive_mirror_monitor more generic

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...so it works with other block jobs as well. Intended use case is
block-stream, which also requires a new "auto" (wait only) completion
mode, since it finishes automatically anyway.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
This commit is contained in:
Stefan Reiter 2021-03-03 10:56:07 +01:00 committed by Thomas Lamprecht
parent 43bf6fc982
commit 9e67172296
1 changed files with 22 additions and 16 deletions
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38
PVE/QemuServer.pm
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@ -6880,55 +6880,61 @@ sub qemu_drive_mirror {
# 'complete': wait until all jobs are ready, block-job-complete them (default)
# 'cancel': wait until all jobs are ready, block-job-cancel them
# 'skip': wait until all jobs are ready, return with block jobs in ready state
# 'auto': wait until all jobs disappear, only use for jobs which complete automatically
sub qemu_drive_mirror_monitor {
my ($vmid, $vmiddst, $jobs, $completion, $qga) = @_;
my ($vmid, $vmiddst, $jobs, $completion, $qga, $op) = @_;
$completion //= 'complete';
$op //= "mirror";
eval {
my $err_complete = 0;
while (1) {
die "storage migration timed out\n" if $err_complete > 300;
die "block job ('$op') timed out\n" if $err_complete > 300;
my $stats = mon_cmd($vmid, "query-block-jobs");
my $running_mirror_jobs = {};
my $running_jobs = {};
foreach my $stat (@$stats) {
next if $stat->{type} ne 'mirror';
$running_mirror_jobs->{$stat->{device}} = $stat;
next if $stat->{type} ne $op;
$running_jobs->{$stat->{device}} = $stat;
}
my $readycounter = 0;
foreach my $job (keys %$jobs) {
if(defined($jobs->{$job}->{complete}) && !defined($running_mirror_jobs->{$job})) {
print "$job : finished\n";
my $vanished = !defined($running_jobs->{$job});
my $complete = defined($jobs->{$job}->{complete}) && $vanished;
if($complete || ($vanished && $completion eq 'auto')) {
print "$job: finished\n";
delete $jobs->{$job};
next;
}
die "$job: mirroring has been cancelled\n" if !defined($running_mirror_jobs->{$job});
die "$job: '$op' has been cancelled\n" if !defined($running_jobs->{$job});
my $busy = $running_mirror_jobs->{$job}->{busy};
my $ready = $running_mirror_jobs->{$job}->{ready};
if (my $total = $running_mirror_jobs->{$job}->{len}) {
my $transferred = $running_mirror_jobs->{$job}->{offset} || 0;
my $busy = $running_jobs->{$job}->{busy};
my $ready = $running_jobs->{$job}->{ready};
if (my $total = $running_jobs->{$job}->{len}) {
my $transferred = $running_jobs->{$job}->{offset} || 0;
my $remaining = $total - $transferred;
my $percent = sprintf "%.2f", ($transferred * 100 / $total);
print "$job: transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent % busy: $busy ready: $ready \n";
}
$readycounter++ if $running_mirror_jobs->{$job}->{ready};
$readycounter++ if $running_jobs->{$job}->{ready};
}
last if scalar(keys %$jobs) == 0;
if ($readycounter == scalar(keys %$jobs)) {
print "all mirroring jobs are ready \n";
last if $completion eq 'skip'; #do the complete later
print "all '$op' jobs are ready\n";
# do the complete later (or has already been done)
last if $completion eq 'skip' || $completion eq 'auto';
if ($vmiddst && $vmiddst != $vmid) {
my $agent_running = $qga && qga_check_running($vmid);
@ -6984,7 +6990,7 @@ sub qemu_drive_mirror_monitor {
if ($err) {
eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs) };
die "mirroring error: $err";
die "block job ('$op') error: $err";
}
}