Phase 1 of SVC plugin implementation
This commit is able to create storage in an existing mdisk grp. It hardcodes the iogrp to 0 for now. The next step is to make hosts and vhostmap. mkhost -name <name> -hbawwpn <wwpn> -force And then map them together: mkvdiskhostmap -host <host> -force <vdisk> If boot, store the wwn into storage.osvolume for future use. Commands to do: attachstorage detachstorage showstorage rmstorage suspect frontending: lsmdiskgrp to show state of avail space will be appropriate
This commit is contained in:
Jarrod Johnson
parent
1141e9cd7d
commit
203d7025ad
@ -267,11 +267,14 @@ virtsd => {
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},
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storage => {
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cols => [qw(node osvolume size state storagepool hypervisor fcprange volumetag comments disable)],
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cols => [qw(node osvolume size state storagepool hypervisor fcprange volumetag type controller comments disable)],
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keys => [qw(node)],
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table_descr => 'Node storage resources',
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descriptions => {
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node => 'The node name',
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controller => 'The management address to attach/detach new volumes.
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In the scenario involving multiple controllers, this data must be
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passed as argument rather than by table value',
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osvolume => "Specification of what storage to place the node OS image onto. Examples include:
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localdisk (Install to first non-FC attached disk)
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usbdisk (Install to first USB mass storage device seen)
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@ -281,6 +284,7 @@ storage => {
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storagepool => 'Name of storage pool where the volume is assigned.',
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hypervisor => 'Name of the hypervisor where the volume is configured.',
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fcprange => 'A range of acceptable fibre channels that the volume can use. Examples include: 3B00-3C00;4B00-4C00.',
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type => 'The plugin used to drive storage configuration (e.g. svc)',
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volumetag => 'A specific tag used to identify the volume in the autoyast or kickstart template.',
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comments => 'Any user-written notes.',
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disable => "Set to 'yes' or '1' to comment out this row.",
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@ -2219,6 +2223,14 @@ my @nodeattrs = (
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tabentry => 'storage.osvolume',
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access_tabentry => 'storage.node=attr:node',
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},
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{attr_name => 'storagcontroller',
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tabentry => 'storage.controller',
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access_tabentry => 'storage.node=attr:node',
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},
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{attr_name => 'storagetype',
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tabentry => 'storage.type',
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access_tabentry => 'storage.node=attr:node',
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},
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######################
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# vm table #
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######################
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@ -66,14 +66,19 @@ sub new {
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$self->print($password);
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my $nextline = $self->getline();
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chomp($nextline);
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while ($nextline =~ /^\s*$/) {
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while ($nextline =~ /^\s*$/ or $nextline =~ /^Last login:/) {
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$nextline = $self->get();
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chomp($nextline);
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}
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if ($nextline =~ /password:/i or $nextline =~ /Permission denied, please try again/ or $nextline =~ /disconnect from/) {
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die "Incorrect Password";
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} elsif ($nextline =~ /$promptex/) {
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*$self->{_xcatsshinteract}->{_atprompt}=1;
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} else {
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while ($nextline =~ /^Last login:/) {
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$nextline = $self->get();
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}
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if ($nextline =~ /$promptex/) {
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*$self->{_xcatsshinteract}->{_atprompt}=1;
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}
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}
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} elsif ($match =~ /$promptex/) {
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*$self->{_xcatsshinteract}->{_atprompt}=1;
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205
xCAT-server/lib/xcat/plugins/svc.pm
Normal file
205
xCAT-server/lib/xcat/plugins/svc.pm
Normal file
@ -0,0 +1,205 @@
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# IBM(c) 2013 EPL license http://www.eclipse.org/legal/epl-v10.html
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#----------------------------------------------------------------------
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# Plugin to interface with IBM SVC managed storage
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#
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use strict;
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package xCAT_plugin::svc;
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use xCAT::SvrUtils qw/sendmsg/;
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use xCAT::SSHInteract;
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use Getopt::Long;
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Getopt::Long::Configure("bundling");
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Getopt::Long::Configure("pass_through");
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my $callback;
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my $dorequest;
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my %controllersessions;
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sub handled_commands {
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return {
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mkstorage => "storage:type",
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rmstorage => "storage:type",
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}
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}
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sub mkstorage {
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my $request = shift;
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my $ctx = shift;
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my @nodes = @{$request->{node}};
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my $shared = 0;
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my $controller;
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my $pool;
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my $size;
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my $boot = 0;
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unless (ref $request->{arg}) {
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die "TODO: usage";
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}
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@ARGV = @{$request->{arg}};
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unless (GetOptions(
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'shared' => \$shared,
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'controller=s' => \$controller,
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'boot' => \$boot,
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'size=f' => \$size,
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'pool=s' => \$pool,
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)) {
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foreach (@nodes) {
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sendmsg([1,"Error parsing arguments"],$callback,$_);
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}
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}
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if ($shared and $boot) {
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foreach (@nodes) {
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sendmsg([1,"Storage can not be both shared and boot"],$callback,$_);
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}
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}
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my $storagetab = xCAT::Table->new('storage');
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my $storents = $storagetab->getNodesAttribs(\@nodes,
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[qw/controller storagepool size/]);
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if ($shared) {
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unless ($size) {
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foreach (@nodes) {
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sendmsg([1,
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"Size for shared volumes must be specified as an argument"
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], $callback,$_);
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}
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}
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unless ($pool) {
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$pool = assure_identical_table_values(\@nodes, $storents, 'storagepool');
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}
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unless ($controller) {
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$controller = assure_identical_table_values(\@nodes, $storents, 'controller');
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}
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unless (defined $pool and defined $controller) {
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return;
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}
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my $lun = create_lun(controller=>$controller, size=>$size, pool=>$pool);
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my $wwns = get_wwns(@nodes);
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} else {
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foreach my $node (@nodes) {
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mkstorage_single(node=>$node, size=>$size, pool=>$pool,
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boot=>$boot, controller=>$controller,
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cfg=>$storents->{$node});
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}
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}
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}
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sub got_wwns {
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use Data::Dumper;
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print Dumper(@_);
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}
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sub get_wwns {
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my @nodes = @_;
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my %request = (
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node => \@nodes,
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command => [ 'rinv' ],
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arg => [ 'wwn' ]
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);
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use Data::Dumper;
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print Dumper(\%request);
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$dorequest->(\%request, \&got_wwns);
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}
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my $globaluser;
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my $globalpass;
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sub get_svc_creds {
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my $controller = shift;
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if ($globaluser and $globalpass) {
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return { 'user' => $globaluser, 'pass' => $globalpass }
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}
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my $passtab = xCAT::Table->new('passwd',-create=>0);
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my $passent = $passtab->getAttribs({key=>'svc'}, qw/username password/);
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$globaluser = $passent->{username};
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$globalpass = $passent->{password};
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return { 'user' => $globaluser, 'pass' => $globalpass }
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}
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sub establish_session {
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my %args = @_;
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my $controller = $args{controller};
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if ($controllersessions{$controller}) {
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return $controllersessions{$controller};
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}
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#need to establish a new session
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my $cred = get_svc_creds($controller);
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my $sess = new xCAT::SSHInteract(-username=>$cred->{user},
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-password=>$cred->{pass},
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-host=>$controller,
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-output_record_separator=>"\r",
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#Errmode=>"return",
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#Input_Log=>"/tmp/svcdbgl",
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Prompt=>'/>$/');
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unless ($sess and $sess->atprompt) { die "TODO: cleanly handle bad login" }
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$controllersessions{$controller} = $sess;
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return $sess;
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}
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sub create_lun {
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my %args = @_;
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my $session = establish_session(%args);
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my $pool = $args{pool};
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my $size = $args{size};
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my @result = $session->cmd("mkvdisk -iogrp io_grp0 -mdiskgrp $pool -size $size -unit gb");
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if ($result[0] =~ m/Virtual Disk, id \[(\d*)\], successfully created/) {
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my $diskid = $1;
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my $name;
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my $wwn;
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@result = $session->cmd("lsvdisk $diskid");
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foreach (@result) {
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chomp;
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if (/^name (.*)\z/) {
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$name = $1;
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} elsif (/^vdisk_UID (.*)\z/) {
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$wwn = $1;
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}
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}
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return { name => $name, id => $diskid, wwn => $wwn };
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}
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}
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sub assure_identical_table_values {
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my $nodes = shift;
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my $storents = shift;
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my $attribute = shift;
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my $lastval;
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foreach my $node (@$nodes) {
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my $sent = $storents->{$node}->[0];
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unless ($sent) {
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sendmsg([1, "No $attribute in arguments or table"],
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$callback, $node);
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return undef;
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}
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my $currval = $storents->{$node}->{$attribute};
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unless ($currval) {
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sendmsg([1, "No $attribute in arguments or table"],
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$callback, $node);
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return undef;
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}
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if ($lastval and $currval ne $lastval) {
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sendmsg([1,
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"$attribute mismatch in table config, try specifying as argument"],
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$callback, $node);
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return undef;
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}
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}
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return $lastval;
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}
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sub mkstorage_single {
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my %args = @_;
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}
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sub process_request {
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my $request = shift;
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$callback = shift;
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$dorequest = shift;
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if ($request->{command}->[0] eq 'mkstorage') {
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mkstorage($request);
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}
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foreach (values %controllersessions) {
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$_->close();
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}
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}
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1;
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