X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=PVE%2FReplicationState.pm;h=1e74809a00999f2d7a6d03070c72dd1eedb1a160;hb=22ce136731b2b649b79d3415343363798ce22d2f;hp=be5cf5fab010eb805552fad7447ab4eec6d4f92f;hpb=52dcecfcbb3b9cb989b17b1796c5ce9a93bc4252;p=pve-guest-common.git

diff --git a/PVE/ReplicationState.pm b/PVE/ReplicationState.pm
index be5cf5f..1e74809 100644
--- a/PVE/ReplicationState.pm
+++ b/PVE/ReplicationState.pm
@@ -4,13 +4,25 @@ use warnings;
 use strict;
 use JSON;
 
+use PVE::INotify;
+use PVE::ProcFSTools;
 use PVE::Tools;
+use PVE::CalendarEvent;
+use PVE::Cluster;
 use PVE::GuestHelpers;
 use PVE::ReplicationConfig;
 
 # Note: regression tests can overwrite $state_path for testing
 our $state_path = "/var/lib/pve-manager/pve-replication-state.json";
 our $state_lock = "/var/lib/pve-manager/pve-replication-state.lck";
+our $replicate_logdir = "/var/log/pve/replicate";
+
+# regression tests should overwrite this
+sub job_logfile_name {
+    my ($jobid) = @_;
+
+    return "${replicate_logdir}/$jobid";
+}
 
 # Note: We use PVE::Tools::file_set_contents to write state file atomically,
 # so read_state() always returns an consistent copy (even when not locked).
@@ -50,6 +62,20 @@ sub extract_job_state {
     return $state;
 }
 
+sub extract_vmid_tranfer_state {
+    my ($stateobj, $vmid, $old_target, $new_target) = @_;
+
+    my $oldid = PVE::ReplicationConfig::Cluster->get_unique_target_id({ target => $old_target });
+    my $newid = PVE::ReplicationConfig::Cluster->get_unique_target_id({ target => $new_target });
+
+    if (defined(my $vmstate = $stateobj->{$vmid})) {
+	$vmstate->{$newid} = delete($vmstate->{$oldid}) if defined($vmstate->{$oldid});
+	return $vmstate;
+    }
+
+    return {};
+}
+
 sub read_job_state {
     my ($jobcfg) = @_;
 
@@ -57,6 +83,8 @@ sub read_job_state {
     return extract_job_state($stateobj, $jobcfg);
 }
 
+# update state for a single job
+# pass $state = undef to delete the job state completely
 sub write_job_state {
     my ($jobcfg, $state) = @_;
 
@@ -69,8 +97,31 @@ sub write_job_state {
 
 	my $stateobj = read_state();
 	# Note: tuple ($vmid, $tid) is unique
-	$stateobj->{$vmid}->{$tid} = $state;
+	if (defined($state)) {
+	    $stateobj->{$vmid}->{$tid} = $state;
+	} else {
+	    delete $stateobj->{$vmid}->{$tid};
+	    delete $stateobj->{$vmid} if !%{$stateobj->{$vmid}};
+	}
+	PVE::Tools::file_set_contents($state_path, encode_json($stateobj));
+    };
 
+    my $code = sub {
+	PVE::Tools::lock_file($state_lock, 10, $update);
+	die $@ if $@;
+    };
+
+    # make sure we have guest_migration_lock during update
+    PVE::GuestHelpers::guest_migration_lock($vmid, undef, $code);
+}
+
+# update all job states related to a specific $vmid
+sub write_vmid_job_states {
+    my ($vmid_state, $vmid) = @_;
+
+    my $update = sub {
+	my $stateobj = read_state();
+	$stateobj->{$vmid} = $vmid_state;
 	PVE::Tools::file_set_contents($state_path, encode_json($stateobj));
     };
 
@@ -83,6 +134,55 @@ sub write_job_state {
     PVE::GuestHelpers::guest_migration_lock($vmid, undef, $code);
 }
 
+sub record_job_start {
+    my ($jobcfg, $state, $start_time, $iteration) = @_;
+
+    $state->{pid} = $$;
+    $state->{ptime} = PVE::ProcFSTools::read_proc_starttime($state->{pid});
+    $state->{last_node} = PVE::INotify::nodename();
+    $state->{last_try} = $start_time;
+    $state->{last_iteration} = $iteration;
+    $state->{storeid_list} //= [];
+
+    write_job_state($jobcfg, $state);
+}
+
+sub delete_guest_states {
+    my ($vmid) = @_;
+
+    my $code = sub {
+	my $stateobj = read_state();
+	delete $stateobj->{$vmid};
+	PVE::Tools::file_set_contents($state_path, encode_json($stateobj));
+    };
+
+    PVE::Tools::lock_file($state_lock, 10, $code);
+}
+
+sub record_job_end {
+    my ($jobcfg, $state, $start_time, $duration, $err) = @_;
+
+    $state->{duration} = $duration;
+    delete $state->{pid};
+    delete $state->{ptime};
+
+    if ($err) {
+	chomp $err;
+	$state->{fail_count}++;
+	$state->{error} = "$err";
+	write_job_state($jobcfg,  $state);
+    } else {
+	if ($jobcfg->{remove_job}) {
+	    write_job_state($jobcfg, undef);
+	} else {
+	    $state->{last_sync} = $start_time;
+	    $state->{fail_count} = 0;
+	    delete $state->{error};
+	    write_job_state($jobcfg,  $state);
+	}
+    }
+}
+
 sub replication_snapshot_name {
     my ($jobid, $last_sync) = @_;
 
@@ -92,4 +192,147 @@ sub replication_snapshot_name {
     wantarray ? ($prefix, $snapname) : $snapname;
 }
 
+sub purge_old_states {
+
+    my $local_node = PVE::INotify::nodename();
+
+    my $cfg = PVE::ReplicationConfig->new();
+    my $vms = PVE::Cluster::get_vmlist();
+
+    my $used_tids = {};
+
+    foreach my $jobid (sort keys %{$cfg->{ids}}) {
+	my $jobcfg = $cfg->{ids}->{$jobid};
+	my $plugin = PVE::ReplicationConfig->lookup($jobcfg->{type});
+	my $tid = $plugin->get_unique_target_id($jobcfg);
+	my $vmid = $jobcfg->{guest};
+	$used_tids->{$vmid}->{$tid} = 1
+	    if defined($vms->{ids}->{$vmid}); # && $vms->{ids}->{$vmid}->{node} eq $local_node;
+    }
+
+    my $purge_state = sub {
+	my $stateobj = read_state();
+	my $next_stateobj = {};
+
+	foreach my $vmid (keys %$stateobj) {
+	    foreach my $tid (keys %{$stateobj->{$vmid}}) {
+		$next_stateobj->{$vmid}->{$tid} = $stateobj->{$vmid}->{$tid} if $used_tids->{$vmid}->{$tid};
+	    }
+	}
+	PVE::Tools::file_set_contents($state_path, encode_json($next_stateobj));
+    };
+
+    PVE::Tools::lock_file($state_lock, 10, $purge_state);
+    die $@ if $@;
+}
+
+sub job_status {
+
+    my $local_node = PVE::INotify::nodename();
+
+    my $jobs = {};
+
+    my $stateobj = read_state();
+
+    my $cfg = PVE::ReplicationConfig->new();
+
+    my $vms = PVE::Cluster::get_vmlist();
+
+    foreach my $jobid (sort keys %{$cfg->{ids}}) {
+	my $jobcfg = $cfg->{ids}->{$jobid};
+	my $vmid = $jobcfg->{guest};
+
+	die "internal error - not implemented" if $jobcfg->{type} ne 'local';
+
+	# skip non existing vms
+	next if !$vms->{ids}->{$vmid};
+
+	# only consider guest on local node
+	next if $vms->{ids}->{$vmid}->{node} ne $local_node;
+
+	my $target = $jobcfg->{target};
+	if (!$jobcfg->{remove_job}) {
+	    # never sync to local node
+	    next if $target eq $local_node;
+
+	    next if $jobcfg->{disable};
+	}
+
+	my $state = extract_job_state($stateobj, $jobcfg);
+	$jobcfg->{state} = $state;
+	$jobcfg->{id} = $jobid;
+	$jobcfg->{vmtype} = $vms->{ids}->{$vmid}->{type};
+
+	my $next_sync = 0;
+
+	if ($jobcfg->{remove_job}) {
+	    $next_sync = 1; # lowest possible value
+	    # todo: consider fail_count? How many retries?
+	} else  {
+	    if (my $fail_count = $state->{fail_count}) {
+		my $members = PVE::Cluster::get_members();
+		if (!$fail_count || ($members->{$target} && $members->{$target}->{online})) {
+		    $next_sync = $state->{last_try} + 60*($fail_count < 3 ? 5*$fail_count : 30);
+		}
+	    } else {
+		my $schedule =  $jobcfg->{schedule} || '*/15';
+		my $calspec = PVE::CalendarEvent::parse_calendar_event($schedule);
+		$next_sync = PVE::CalendarEvent::compute_next_event($calspec, $state->{last_try}) // 0;
+	    }
+	}
+
+	$jobcfg->{next_sync} = $next_sync;
+
+	$jobs->{$jobid} = $jobcfg;
+    }
+
+    return $jobs;
+}
+
+sub get_next_job {
+    my ($iteration, $start_time) = @_;
+
+    my $jobs = job_status();
+
+    my $sort_func = sub {
+	my $joba = $jobs->{$a};
+	my $jobb = $jobs->{$b};
+	my $sa =  $joba->{state};
+	my $sb =  $jobb->{state};
+	my $res = $sa->{last_iteration} <=> $sb->{last_iteration};
+	return $res if $res != 0;
+	$res = $joba->{next_sync} <=> $jobb->{next_sync};
+	return $res if $res != 0;
+	return  $joba->{guest} <=> $jobb->{guest};
+    };
+
+    foreach my $jobid (sort $sort_func keys %$jobs) {
+	my $jobcfg = $jobs->{$jobid};
+	next if $jobcfg->{state}->{last_iteration} >= $iteration;
+	if ($jobcfg->{next_sync} && ($start_time >= $jobcfg->{next_sync})) {
+	    return $jobcfg;
+	}
+    }
+
+    return undef;
+}
+
+sub schedule_job_now {
+    my ($jobcfg) = @_;
+    PVE::GuestHelpers::guest_migration_lock($jobcfg->{guest}, undef, sub {
+	PVE::Tools::lock_file($state_lock, 10, sub {
+	    my $stateobj = read_state();
+	    my $vmid = $jobcfg->{guest};
+	    my $tid = $plugin->get_unique_target_id($jobcfg);
+	    # no not modify anything if there is no state
+	    return if !defined($stateobj->{$vmid}->{$tid});
+
+	    my $state = read_job_state($jobcfg);
+	    $state->{last_try} = 0;
+	    write_job_state($jobcfg, $state);
+	});
+	die $@ if $@;
+    });
+}
+
 1;