[pve-devel] [PATCH] fix bug #813: allow mountpoints or VMdisk which are not on zfs, if they are not include in backup.

Wolfgang Bumiller w.bumiller at proxmox.com
Wed Nov 11 09:21:43 CET 2015


> On November 11, 2015 at 8:21 AM Wolfgang Link <w.link at proxmox.com> wrote:
> 
> 
> LXC: MP are in the default setting exclude from backup, so we do not sync mp
> at default.
> if they have the flag backup=1 we sync them.
> QEMU: VMDisk will be synced always except they have a flag backup=no.
> ---
>  pve-zsync | 21 +++++++++++++++++----
>  1 file changed, 17 insertions(+), 4 deletions(-)
> 
> diff --git a/pve-zsync b/pve-zsync
> index c7e6e81..5edf4aa 100644
> --- a/pve-zsync
> +++ b/pve-zsync
> @@ -479,11 +479,15 @@ sub init {
>  
>      my $vm_type = vm_exists($source);
>      $job->{vm_type} = $vm_type;
> +    $source->{vm_type} = $vm_type;
>  
>      die "VM $source->{vmid} doesn't exist\n" if $param->{vmid} && !$vm_type;
>  
>      die "Config already exists\n" if $cfg->{$job->{source}}->{$job->{name}};
>  
> +    #check if vm has zfs disks if not die;
> +    get_disks($source, 1) if $source->{vmid};
> +
>      update_cron($job);
>      update_state($job);
>  
> @@ -698,7 +702,7 @@ sub write_cron {
>  }
>  
>  sub get_disks {
> -    my ($target) = @_;
> +    my ($target, $get_err) = @_;
>  
>      my $cmd = [];
>      push @$cmd, 'ssh', "root\@$target->{ip}", '--', if $target->{ip};
> @@ -713,7 +717,7 @@ sub get_disks {
>  
>      my $res = run_cmd($cmd);
>  
> -    my $disks = parse_disks($res, $target->{ip}, $target->{vm_type});
> +    my $disks = parse_disks($res, $target->{ip}, $target->{vm_type},
> $get_err);
>  
>      return $disks;
>  }
> @@ -736,24 +740,32 @@ sub run_cmd {
>  }
>  
>  sub parse_disks {
> -    my ($text, $ip, $vm_type) = @_;
> +    my ($text, $ip, $vm_type, $get_err) = @_;
>  
>      my $disks;
>  
>      my $num = 0;
>      while ($text && $text =~ s/^(.*?)(\n|$)//) {
>  	my $line = $1;
> +	my $error = $vm_type eq 'qemu' ? 1 : 0 ;
>  
>  	next if $line =~ /cdrom|none/;
>  	next if $line !~ m/^(?:((?:virtio|ide|scsi|sata|mp)\d+)|rootfs): /;
>  
> +	#QEMU if backup is not set include in  sync
> +	next if $vm_type eq 'qemu && ($line =~ m/backup=no/)';

Since `backup` is a `boolean` type in our JSONSchema it can also be
/0|no|off|false/i.
Depending on whether you have more booleans to check you might just use
/backup=([^,]+)/ and pass $1 to a boolean convert function. Or parse
m/backup=(?i:0|no|off|false)/

> +
> +	#LXC if backup is not set do no in sync
> +	$error = ($line =~ m/backup=1/) if $vm_type eq 'lxc';
> +
>  	my $disk = undef;
>  	my $stor = undef;
>  	if($line =~ m/^(?:((?:virtio|ide|scsi|sata|mp)\d+)|rootfs):
> (.+:)([A-Za-z0-9\-]+),(.*)$/) {
>  	    $disk = $3;
>  	    $stor = $2;
>  	} else {
> -	    die "disk is not on ZFS Storage\n";
> +	    print "Disk: \"$line\" will not include in pve-sync\n" if $get_err ||
> $error;
> +	    next;
>  	}
>  
>  	my $cmd = [];
> @@ -794,6 +806,7 @@ sub parse_disks {
>  	}
>      }
>  
> +    die "Vm include no disk on zfs.\n" if !$disks->{0};
>      return $disks;
>  }
>  
> -- 
> 2.1.4
> 
> 
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