110 lines
2.9 KiB
Perl
110 lines
2.9 KiB
Perl
#!/usr/bin/perl -w
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use strict;
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use File::Which;
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use Getopt::Long;
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my $what = 'volume';
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my $volume = undef;
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my $peer = undef;
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my $bricks = undef;
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my $gluster = which('gluster');
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unless($gluster){
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# Gluster is not installed, exit with an error
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die "gluster command not found";
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}
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GetOptions(
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"what=s" => \$what,
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"volume=s" => \$volume,
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"bricks=i" => \$bricks,
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"peer=s" => \$peer
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);
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sub usage(){
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print <<"EOF";
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usage: $0 --what=[peer|volume]
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If --what=volume you need to pass --volume=<volname>. The optional --bricks arg can be used to pass the number of expected bricks
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If --what=peer you need to pass --peer=<host>
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EOF
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}
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if (($what eq 'volume' && !$volume) ||
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($what eq 'peer' && !$peer) ||
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($what ne 'volume' && $what ne 'peer')){
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usage();
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}
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if ($what eq 'volume'){
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open (VOLUMEINFO, "$gluster vol status $volume |")
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|| die "error: Could not execute gluster vol status $volume";
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my $bricksfound = 0;
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my $status = 1;
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foreach my $line (<VOLUMEINFO>){
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# Check that all bricks are online
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if ($line =~ m/^Brick\ [\w\.]+:\/[\w\.\/]+\s+\d+\s+(Y|N)/){
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$bricksfound++;
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$status = 0 if ($1 ne 'Y');
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}
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# Check the Self-Heal daemons are up and running
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elsif ($line =~ m/^Self-heal\ Daemon\ on\ [\w\.]+\s+N\/A\\s+(Y|N)/){
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$status = 0 if ($1 ne 'Y');
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}
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}
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# Check the number of bricks is the one we expect
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if ($bricks && $bricks != $bricksfound){
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$status = 0;
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}
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close VOLUMEINFO;
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open (VOLUMEINFO, "$gluster vol heal $volume info heal-failed |")
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|| die "error: Could not execute gluster vol heal $volume info heal-failed";
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foreach my $line (<VOLUMEINFO>){
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# Now, check we don't have any file which the Self-Heal daemon couldn't sync
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if ($line =~ m/^Number\ of\ entries:\s+(\d+)$/){
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$status = 0 if ($1 gt 0);
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}
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}
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close VOLUMEINFO;
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open (VOLUMEINFO, "$gluster vol heal $volume info split-brain |")
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|| die "error: Could not execute gluster vol heal $volume info split-brain";
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foreach my $line (<VOLUMEINFO>){
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# Now, check we don't have any file in a split-brain situation
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if ($line =~ m/^Number\ of\ entries:\s+(\d+)$/){
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$status = 0 if ($1 gt 0);
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}
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}
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close VOLUMEINFO;
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open (VOLUMEINFO, "$gluster vol info $volume |")
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|| die "error: Could not execute gluster vol info $volume";
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foreach my $line (<VOLUMEINFO>){
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# Check the volume is started
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if ($line =~ m/^Status:\s+(\w+)$/){
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$status = 0 unless ($1 eq 'Started');
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}
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}
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close VOLUMEINFO;
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print $status;
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}
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elsif ($what eq 'peer'){
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open (PEERLIST, "$gluster pool list |")
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|| die "error: Could not execute gluster pool list";
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my $status = 0;
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foreach my $line (<PEERLIST>){
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if (($line =~ m/^$peer\s+/) ||
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($line =~ m/^[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}\s+$peer\s+/)){
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my (undef,undef,$state) = split(/\s+/, $line);
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$status = 1 if ($state eq 'Connected');
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}
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}
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close PEERLIST;
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print $status;
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}
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