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Commit | Line | Data |
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a62d1e99 MR |
1 | package PVE::Storage::LunCmd::Istgt; |
2 | ||
3 | # TODO | |
4 | # Create initial target and LUN if target is missing ? | |
5 | # Create and use list of free LUNs | |
6 | ||
7 | use strict; | |
8 | use warnings; | |
074b2cb4 | 9 | |
a62d1e99 | 10 | use PVE::Tools qw(run_command file_read_firstline trim dir_glob_regex dir_glob_foreach); |
a62d1e99 MR |
11 | |
12 | my @CONFIG_FILES = ( | |
3b219e80 MR |
13 | '/usr/local/etc/istgt/istgt.conf', # FreeBSD, FreeNAS |
14 | '/var/etc/iscsi/istgt.conf' # NAS4Free | |
a62d1e99 MR |
15 | ); |
16 | my @DAEMONS = ( | |
3b219e80 MR |
17 | '/usr/local/etc/rc.d/istgt', # FreeBSD, FreeNAS |
18 | '/var/etc/rc.d/istgt' # NAS4Free | |
a62d1e99 MR |
19 | ); |
20 | ||
21 | # A logical unit can max have 63 LUNs | |
22 | # https://code.google.com/p/istgt/source/browse/src/istgt_lu.h#39 | |
23 | my $MAX_LUNS = 64; | |
24 | ||
25 | my $CONFIG_FILE = undef; | |
26 | my $DAEMON = undef; | |
27 | my $SETTINGS = undef; | |
28 | my $CONFIG = undef; | |
29 | my $OLD_CONFIG = undef; | |
30 | ||
31 | my @ssh_opts = ('-o', 'BatchMode=yes'); | |
32 | my @ssh_cmd = ('/usr/bin/ssh', @ssh_opts); | |
33 | my @scp_cmd = ('/usr/bin/scp', @ssh_opts); | |
3b219e80 | 34 | my $id_rsa_path = '/etc/pve/priv/zfs'; |
a62d1e99 MR |
35 | |
36 | #Current SIGHUP reload limitations (http://www.peach.ne.jp/archives/istgt/): | |
37 | # | |
38 | # The parameters other than PG, IG, and LU are not reloaded by SIGHUP. | |
39 | # LU connected by the initiator can't be reloaded by SIGHUP. | |
40 | # PG and IG mapped to LU can't be deleted by SIGHUP. | |
41 | # If you delete an active LU, all connections of the LU are closed by SIGHUP. | |
3b219e80 | 42 | # Updating IG is not affected until the next login. |
a62d1e99 MR |
43 | # |
44 | # FreeBSD | |
45 | # 1. Alt-F2 to change to native shell (zfsguru) | |
46 | # 2. pw mod user root -w yes (change password for root to root) | |
47 | # 3. vi /etc/ssh/sshd_config | |
48 | # 4. uncomment PermitRootLogin yes | |
49 | # 5. change PasswordAuthentication no to PasswordAuthentication yes | |
50 | # 5. /etc/rc.d/sshd restart | |
51 | # 6. On one of the proxmox nodes login as root and run: ssh-copy-id ip_freebsd_host | |
52 | # 7. vi /etc/ssh/sshd_config | |
53 | # 8. comment PermitRootLogin yes | |
54 | # 9. change PasswordAuthentication yes to PasswordAuthentication no | |
55 | # 10. /etc/rc.d/sshd restart | |
56 | # 11. Reset passwd -> pw mod user root -w no | |
57 | # 12. Alt-Ctrl-F1 to return to zfsguru shell (zfsguru) | |
58 | ||
59 | sub get_base; | |
60 | sub run_lun_command; | |
61 | ||
62 | my $read_config = sub { | |
3b219e80 MR |
63 | my ($scfg, $timeout, $method) = @_; |
64 | ||
a62d1e99 | 65 | my $msg = ''; |
3b219e80 | 66 | my $err = undef; |
a62d1e99 MR |
67 | my $luncmd = 'cat'; |
68 | my $target; | |
69 | $timeout = 10 if !$timeout; | |
3b219e80 | 70 | |
a62d1e99 MR |
71 | my $output = sub { |
72 | my $line = shift; | |
3b219e80 | 73 | $msg .= "$line\n"; |
a62d1e99 | 74 | }; |
3b219e80 MR |
75 | |
76 | my $errfunc = sub { | |
a62d1e99 | 77 | my $line = shift; |
3b219e80 MR |
78 | $err .= "$line"; |
79 | }; | |
80 | ||
81 | $target = 'root@' . $scfg->{portal}; | |
82 | ||
83 | my $daemon = 0; | |
84 | foreach my $config (@CONFIG_FILES) { | |
85 | $err = undef; | |
86 | my $cmd = [@ssh_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $target, $luncmd, $config]; | |
87 | eval { | |
88 | run_command($cmd, outfunc => $output, errfunc => $errfunc, timeout => $timeout); | |
89 | }; | |
90 | do { | |
91 | $err = undef; | |
92 | $DAEMON = $DAEMONS[$daemon]; | |
93 | $CONFIG_FILE = $config; | |
94 | last; | |
95 | } unless $@; | |
96 | $daemon++; | |
97 | } | |
98 | die $err if ($err && $err !~ /No such file or directory/); | |
99 | die "No configuration found. Install istgt on $scfg->{portal}" if $msg eq ''; | |
100 | ||
101 | return $msg; | |
a62d1e99 MR |
102 | }; |
103 | ||
104 | my $get_config = sub { | |
3b219e80 MR |
105 | my ($scfg) = @_; |
106 | my @conf = undef; | |
a62d1e99 | 107 | |
3b219e80 MR |
108 | my $config = $read_config->($scfg, undef, 'get_config'); |
109 | die "Missing config file" unless $config; | |
a62d1e99 | 110 | |
3b219e80 MR |
111 | $OLD_CONFIG = $config; |
112 | ||
113 | return $config; | |
a62d1e99 MR |
114 | }; |
115 | ||
116 | my $parse_size = sub { | |
117 | my ($text) = @_; | |
118 | ||
119 | return 0 if !$text; | |
120 | ||
121 | if ($text =~ m/^(\d+(\.\d+)?)([TGMK]B)?$/) { | |
3b219e80 MR |
122 | my ($size, $reminder, $unit) = ($1, $2, $3); |
123 | return $size if !$unit; | |
124 | if ($unit eq 'KB') { | |
125 | $size *= 1024; | |
126 | } elsif ($unit eq 'MB') { | |
127 | $size *= 1024*1024; | |
128 | } elsif ($unit eq 'GB') { | |
129 | $size *= 1024*1024*1024; | |
130 | } elsif ($unit eq 'TB') { | |
131 | $size *= 1024*1024*1024*1024; | |
132 | } | |
133 | if ($reminder) { | |
134 | $size = ceil($size); | |
135 | } | |
136 | return $size; | |
a62d1e99 | 137 | } elsif ($text =~ /^auto$/i) { |
3b219e80 MR |
138 | return 'AUTO'; |
139 | } else { | |
140 | return 0; | |
a62d1e99 MR |
141 | } |
142 | }; | |
143 | ||
144 | my $size_with_unit = sub { | |
145 | my ($size, $n) = (shift, 0); | |
146 | ||
147 | return '0KB' if !$size; | |
148 | ||
3b219e80 MR |
149 | return $size if $size eq 'AUTO'; |
150 | ||
a62d1e99 | 151 | if ($size =~ m/^\d+$/) { |
3b219e80 MR |
152 | ++$n and $size /= 1024 until $size < 1024; |
153 | if ($size =~ /\./) { | |
154 | return sprintf "%.2f%s", $size, ( qw[bytes KB MB GB TB] )[ $n ]; | |
155 | } else { | |
156 | return sprintf "%d%s", $size, ( qw[bytes KB MB GB TB] )[ $n ]; | |
157 | } | |
158 | } | |
159 | die "$size: Not a number"; | |
a62d1e99 MR |
160 | }; |
161 | ||
162 | my $lun_dumper = sub { | |
3b219e80 MR |
163 | my ($lun) = @_; |
164 | my $config = ''; | |
165 | ||
166 | $config .= "\n[$lun]\n"; | |
167 | $config .= 'TargetName ' . $SETTINGS->{$lun}->{TargetName} . "\n"; | |
168 | $config .= 'Mapping ' . $SETTINGS->{$lun}->{Mapping} . "\n"; | |
169 | $config .= 'AuthGroup ' . $SETTINGS->{$lun}->{AuthGroup} . "\n"; | |
170 | $config .= 'UnitType ' . $SETTINGS->{$lun}->{UnitType} . "\n"; | |
171 | $config .= 'QueueDepth ' . $SETTINGS->{$lun}->{QueueDepth} . "\n"; | |
172 | ||
173 | foreach my $conf (@{$SETTINGS->{$lun}->{luns}}) { | |
174 | $config .= "$conf->{lun} Storage " . $conf->{Storage}; | |
175 | $config .= ' ' . $size_with_unit->($conf->{Size}) . "\n"; | |
70986fd9 CA |
176 | foreach ($conf->{options}) { |
177 | if ($_) { | |
178 | $config .= "$conf->{lun} Option " . $_ . "\n"; | |
179 | } | |
180 | } | |
3b219e80 MR |
181 | } |
182 | $config .= "\n"; | |
183 | ||
184 | return $config; | |
a62d1e99 MR |
185 | }; |
186 | ||
187 | my $get_lu_name = sub { | |
3b219e80 MR |
188 | my ($target) = @_; |
189 | my $used = (); | |
190 | my $i; | |
191 | ||
192 | if (! exists $SETTINGS->{$target}->{used}) { | |
193 | for ($i = 0; $i < $MAX_LUNS; $i++) { | |
194 | $used->{$i} = 0; | |
195 | } | |
196 | foreach my $lun (@{$SETTINGS->{$target}->{luns}}) { | |
197 | $lun->{lun} =~ /^LUN(\d+)$/; | |
198 | $used->{$1} = 1; | |
199 | } | |
200 | $SETTINGS->{$target}->{used} = $used; | |
201 | } | |
202 | ||
203 | $used = $SETTINGS->{$target}->{used}; | |
204 | for ($i = 0; $i < $MAX_LUNS; $i++) { | |
205 | last unless $used->{$i}; | |
206 | } | |
207 | $SETTINGS->{$target}->{used}->{$i} = 1; | |
208 | ||
209 | return "LUN$i"; | |
a62d1e99 MR |
210 | }; |
211 | ||
212 | my $init_lu_name = sub { | |
3b219e80 MR |
213 | my ($target) = @_; |
214 | my $used = (); | |
215 | ||
216 | if (! exists($SETTINGS->{$target}->{used})) { | |
217 | for (my $i = 0; $i < $MAX_LUNS; $i++) { | |
218 | $used->{$i} = 0; | |
219 | } | |
220 | $SETTINGS->{$target}->{used} = $used; | |
221 | } | |
222 | foreach my $lun (@{$SETTINGS->{$target}->{luns}}) { | |
223 | $lun->{lun} =~ /^LUN(\d+)$/; | |
224 | $SETTINGS->{$target}->{used}->{$1} = 1; | |
225 | } | |
a62d1e99 MR |
226 | }; |
227 | ||
228 | my $free_lu_name = sub { | |
3b219e80 | 229 | my ($target, $lu_name) = @_; |
a62d1e99 | 230 | |
3b219e80 MR |
231 | $lu_name =~ /^LUN(\d+)$/; |
232 | $SETTINGS->{$target}->{used}->{$1} = 0; | |
a62d1e99 MR |
233 | }; |
234 | ||
235 | my $make_lun = sub { | |
70986fd9 | 236 | my ($scfg, $path) = @_; |
3b219e80 MR |
237 | |
238 | my $target = $SETTINGS->{current}; | |
239 | die 'Maximum number of LUNs per target is 63' if scalar @{$SETTINGS->{$target}->{luns}} >= $MAX_LUNS; | |
240 | ||
70986fd9 | 241 | my @options = (); |
3b219e80 | 242 | my $lun = $get_lu_name->($target); |
70986fd9 | 243 | if ($scfg->{nowritecache}) { |
b200cefd | 244 | push @options, "WriteCache Disable"; |
70986fd9 | 245 | } |
3b219e80 MR |
246 | my $conf = { |
247 | lun => $lun, | |
248 | Storage => $path, | |
249 | Size => 'AUTO', | |
70986fd9 | 250 | options => @options, |
3b219e80 MR |
251 | }; |
252 | push @{$SETTINGS->{$target}->{luns}}, $conf; | |
253 | ||
254 | return $conf->{lun}; | |
a62d1e99 MR |
255 | }; |
256 | ||
257 | my $parser = sub { | |
3b219e80 MR |
258 | my ($scfg) = @_; |
259 | ||
260 | my $lun = undef; | |
261 | my $line = 0; | |
262 | ||
263 | my $config = $get_config->($scfg); | |
264 | my @cfgfile = split "\n", $config; | |
265 | ||
266 | foreach (@cfgfile) { | |
267 | $line++; | |
268 | if ($_ =~ /^\s*\[(PortalGroup\d+)\]\s*/) { | |
269 | $lun = undef; | |
270 | $SETTINGS->{$1} = (); | |
271 | } elsif ($_ =~ /^\s*\[(InitiatorGroup\d+)\]\s*/) { | |
272 | $lun = undef; | |
273 | $SETTINGS->{$1} = (); | |
274 | } elsif ($_ =~ /^\s*PidFile\s+"?([\w\/\.]+)"?\s*/) { | |
275 | $lun = undef; | |
276 | $SETTINGS->{pidfile} = $1; | |
277 | } elsif ($_ =~ /^\s*NodeBase\s+"?([\w\-\.]+)"?\s*/) { | |
278 | $lun = undef; | |
279 | $SETTINGS->{nodebase} = $1; | |
280 | } elsif ($_ =~ /^\s*\[(LogicalUnit\d+)\]\s*/) { | |
281 | $lun = $1; | |
282 | $SETTINGS->{$lun} = (); | |
283 | $SETTINGS->{targets}++; | |
284 | } elsif ($lun) { | |
285 | next if (($_ =~ /^\s*#/) || ($_ =~ /^\s*$/)); | |
286 | if ($_ =~ /^\s*(\w+)\s+(.+)\s*/) { | |
551534a3 | 287 | my $arg1 = $1; |
b200cefd MR |
288 | my $arg2 = $2; |
289 | $arg2 =~ s/^\s+|\s+$|"\s*//g; | |
290 | if ($arg2 =~ /^Storage\s*(.+)/i) { | |
551534a3 | 291 | $SETTINGS->{$lun}->{$arg1}->{storage} = $1; |
b200cefd | 292 | } elsif ($arg2 =~ /^Option\s*(.+)/i) { |
551534a3 CA |
293 | push @{$SETTINGS->{$lun}->{$arg1}->{options}}, $1; |
294 | } else { | |
b200cefd | 295 | $SETTINGS->{$lun}->{$arg1} = $arg2; |
551534a3 | 296 | } |
3b219e80 MR |
297 | } else { |
298 | die "$line: parse error [$_]"; | |
299 | } | |
300 | } | |
301 | $CONFIG .= "$_\n" unless $lun; | |
302 | } | |
303 | ||
304 | $CONFIG =~ s/\n$//; | |
305 | die "$scfg->{target}: Target not found" unless $SETTINGS->{targets}; | |
306 | my $max = $SETTINGS->{targets}; | |
307 | my $base = get_base; | |
308 | ||
309 | for (my $i = 1; $i <= $max; $i++) { | |
310 | my $target = $SETTINGS->{nodebase}.':'.$SETTINGS->{"LogicalUnit$i"}->{TargetName}; | |
311 | if ($target eq $scfg->{target}) { | |
312 | my $lu = (); | |
313 | while ((my $key, my $val) = each(%{$SETTINGS->{"LogicalUnit$i"}})) { | |
314 | if ($key =~ /^LUN\d+/) { | |
551534a3 CA |
315 | $val->{storage} =~ /^([\w\/\-]+)\s+(\w+)/; |
316 | my $storage = $1; | |
317 | my $size = $parse_size->($2); | |
318 | my $conf = undef; | |
319 | my @options = (); | |
320 | if ($val->{options}) { | |
321 | @options = @{$val->{options}}; | |
322 | } | |
323 | if ($storage =~ /^$base\/$scfg->{pool}\/([\w\-]+)$/) { | |
324 | $conf = { | |
325 | lun => $key, | |
326 | Storage => $storage, | |
327 | Size => $size, | |
328 | options => @options, | |
3b219e80 | 329 | } |
3b219e80 | 330 | } |
551534a3 | 331 | push @$lu, $conf if $conf; |
3b219e80 MR |
332 | delete $SETTINGS->{"LogicalUnit$i"}->{$key}; |
333 | } | |
334 | } | |
335 | $SETTINGS->{"LogicalUnit$i"}->{luns} = $lu; | |
336 | $SETTINGS->{current} = "LogicalUnit$i"; | |
337 | $init_lu_name->("LogicalUnit$i"); | |
338 | } else { | |
339 | $CONFIG .= $lun_dumper->("LogicalUnit$i"); | |
340 | delete $SETTINGS->{"LogicalUnit$i"}; | |
341 | $SETTINGS->{targets}--; | |
342 | } | |
343 | } | |
344 | die "$scfg->{target}: Target not found" unless $SETTINGS->{targets} > 0; | |
a62d1e99 MR |
345 | }; |
346 | ||
347 | my $list_lun = sub { | |
3b219e80 MR |
348 | my ($scfg, $timeout, $method, @params) = @_; |
349 | my $name = undef; | |
350 | ||
351 | my $object = $params[0]; | |
352 | for my $key (keys %$SETTINGS) { | |
353 | next unless $key =~ /^LogicalUnit\d+$/; | |
354 | foreach my $lun (@{$SETTINGS->{$key}->{luns}}) { | |
355 | if ($lun->{Storage} =~ /^$object$/) { | |
356 | return $lun->{Storage}; | |
357 | } | |
358 | } | |
359 | } | |
360 | ||
361 | return $name; | |
a62d1e99 MR |
362 | }; |
363 | ||
364 | my $create_lun = sub { | |
3b219e80 MR |
365 | my ($scfg, $timeout, $method, @params) = @_; |
366 | my $res = (); | |
367 | my $file = "/tmp/config$$"; | |
368 | ||
369 | if ($list_lun->($scfg, $timeout, $method, @params)) { | |
370 | die "$params[0]: LUN exists"; | |
371 | } | |
372 | my $lun = $params[0]; | |
70986fd9 | 373 | $lun = $make_lun->($scfg, $lun); |
3b219e80 MR |
374 | my $config = $lun_dumper->($SETTINGS->{current}); |
375 | open(my $fh, '>', $file) or die "Could not open file '$file' $!"; | |
376 | ||
377 | print $fh $CONFIG; | |
378 | print $fh $config; | |
379 | close $fh; | |
380 | @params = ($CONFIG_FILE); | |
381 | $res = { | |
382 | cmd => 'scp', | |
383 | method => $file, | |
384 | params => \@params, | |
385 | msg => $lun, | |
386 | post_exe => sub { | |
387 | unlink $file; | |
388 | }, | |
389 | }; | |
390 | ||
391 | return $res; | |
a62d1e99 MR |
392 | }; |
393 | ||
394 | my $delete_lun = sub { | |
3b219e80 MR |
395 | my ($scfg, $timeout, $method, @params) = @_; |
396 | my $res = (); | |
397 | my $file = "/tmp/config$$"; | |
398 | ||
399 | my $target = $SETTINGS->{current}; | |
400 | my $luns = (); | |
401 | ||
402 | foreach my $conf (@{$SETTINGS->{$target}->{luns}}) { | |
403 | if ($conf->{Storage} =~ /^$params[0]$/) { | |
404 | $free_lu_name->($target, $conf->{lun}); | |
405 | } else { | |
406 | push @$luns, $conf; | |
407 | } | |
408 | } | |
409 | $SETTINGS->{$target}->{luns} = $luns; | |
410 | ||
411 | my $config = $lun_dumper->($SETTINGS->{current}); | |
412 | open(my $fh, '>', $file) or die "Could not open file '$file' $!"; | |
413 | ||
414 | print $fh $CONFIG; | |
415 | print $fh $config; | |
416 | close $fh; | |
417 | @params = ($CONFIG_FILE); | |
418 | $res = { | |
419 | cmd => 'scp', | |
420 | method => $file, | |
421 | params => \@params, | |
422 | post_exe => sub { | |
423 | unlink $file; | |
424 | run_lun_command($scfg, undef, 'add_view', 'restart'); | |
425 | }, | |
426 | }; | |
427 | ||
428 | return $res; | |
a62d1e99 MR |
429 | }; |
430 | ||
431 | my $import_lun = sub { | |
3b219e80 | 432 | my ($scfg, $timeout, $method, @params) = @_; |
a62d1e99 | 433 | |
3b219e80 | 434 | my $res = $create_lun->($scfg, $timeout, $method, @params); |
a62d1e99 | 435 | |
3b219e80 | 436 | return $res; |
a62d1e99 MR |
437 | }; |
438 | ||
439 | my $add_view = sub { | |
3b219e80 MR |
440 | my ($scfg, $timeout, $method, @params) = @_; |
441 | my $cmdmap; | |
442 | ||
443 | if (@params && $params[0] eq 'restart') { | |
c521e801 | 444 | @params = ('onerestart', '>&', '/dev/null'); |
3b219e80 MR |
445 | $cmdmap = { |
446 | cmd => 'ssh', | |
447 | method => $DAEMON, | |
448 | params => \@params, | |
449 | }; | |
450 | } else { | |
c521e801 | 451 | @params = ('-HUP', '`cat '. "$SETTINGS->{pidfile}`"); |
3b219e80 MR |
452 | $cmdmap = { |
453 | cmd => 'ssh', | |
454 | method => 'kill', | |
455 | params => \@params, | |
456 | }; | |
457 | } | |
458 | ||
459 | return $cmdmap; | |
a62d1e99 MR |
460 | }; |
461 | ||
462 | my $modify_lun = sub { | |
3b219e80 MR |
463 | my ($scfg, $timeout, $method, @params) = @_; |
464 | ||
465 | # Current SIGHUP reload limitations | |
466 | # LU connected by the initiator can't be reloaded by SIGHUP. | |
467 | # Until above limitation persists modifying a LUN will require | |
468 | # a restart of the daemon breaking all current connections | |
469 | #die 'Modify a connected LUN is not currently supported by istgt'; | |
470 | @params = ('restart', @params); | |
471 | ||
472 | return $add_view->($scfg, $timeout, $method, @params); | |
a62d1e99 MR |
473 | }; |
474 | ||
475 | my $list_view = sub { | |
3b219e80 MR |
476 | my ($scfg, $timeout, $method, @params) = @_; |
477 | my $lun = undef; | |
478 | ||
479 | my $object = $params[0]; | |
480 | for my $key (keys %$SETTINGS) { | |
481 | next unless $key =~ /^LogicalUnit\d+$/; | |
482 | foreach my $lun (@{$SETTINGS->{$key}->{luns}}) { | |
483 | if ($lun->{Storage} =~ /^$object$/) { | |
484 | if ($lun->{lun} =~ /^LUN(\d+)/) { | |
485 | return $1; | |
486 | } | |
487 | die "$lun->{Storage}: Missing LUN"; | |
488 | } | |
489 | } | |
490 | } | |
491 | ||
492 | return $lun; | |
a62d1e99 MR |
493 | }; |
494 | ||
495 | my $get_lun_cmd_map = sub { | |
3b219e80 MR |
496 | my ($method) = @_; |
497 | ||
498 | my $cmdmap = { | |
499 | create_lu => { cmd => $create_lun }, | |
500 | delete_lu => { cmd => $delete_lun }, | |
501 | import_lu => { cmd => $import_lun }, | |
502 | modify_lu => { cmd => $modify_lun }, | |
503 | add_view => { cmd => $add_view }, | |
504 | list_view => { cmd => $list_view }, | |
505 | list_lu => { cmd => $list_lun }, | |
506 | }; | |
507 | ||
508 | die "unknown command '$method'" unless exists $cmdmap->{$method}; | |
509 | ||
510 | return $cmdmap->{$method}; | |
a62d1e99 MR |
511 | }; |
512 | ||
513 | sub run_lun_command { | |
3b219e80 | 514 | my ($scfg, $timeout, $method, @params) = @_; |
a62d1e99 MR |
515 | |
516 | my $msg = ''; | |
517 | my $luncmd; | |
518 | my $target; | |
3b219e80 MR |
519 | my $cmd; |
520 | my $res; | |
a62d1e99 | 521 | $timeout = 10 if !$timeout; |
3b219e80 MR |
522 | my $is_add_view = 0; |
523 | ||
a62d1e99 MR |
524 | my $output = sub { |
525 | my $line = shift; | |
3b219e80 MR |
526 | $msg .= "$line\n"; |
527 | }; | |
528 | ||
529 | $target = 'root@' . $scfg->{portal}; | |
530 | ||
531 | $parser->($scfg) unless $SETTINGS; | |
532 | my $cmdmap = $get_lun_cmd_map->($method); | |
533 | if ($method eq 'add_view') { | |
534 | $is_add_view = 1 ; | |
535 | $timeout = 15; | |
536 | } | |
537 | if (ref $cmdmap->{cmd} eq 'CODE') { | |
538 | $res = $cmdmap->{cmd}->($scfg, $timeout, $method, @params); | |
539 | if (ref $res) { | |
540 | $method = $res->{method}; | |
541 | @params = @{$res->{params}}; | |
542 | if ($res->{cmd} eq 'scp') { | |
543 | $cmd = [@scp_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $method, "$target:$params[0]"]; | |
544 | } else { | |
545 | $cmd = [@ssh_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $target, $method, @params]; | |
546 | } | |
547 | } else { | |
548 | return $res; | |
549 | } | |
550 | } else { | |
551 | $luncmd = $cmdmap->{cmd}; | |
552 | $method = $cmdmap->{method}; | |
553 | $cmd = [@ssh_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $target, $luncmd, $method, @params]; | |
554 | } | |
555 | ||
556 | eval { | |
557 | run_command($cmd, outfunc => $output, timeout => $timeout); | |
a62d1e99 | 558 | }; |
3b219e80 MR |
559 | if ($@ && $is_add_view) { |
560 | my $err = $@; | |
561 | if ($OLD_CONFIG) { | |
562 | my $err1 = undef; | |
563 | my $file = "/tmp/config$$"; | |
564 | open(my $fh, '>', $file) or die "Could not open file '$file' $!"; | |
565 | print $fh $OLD_CONFIG; | |
566 | close $fh; | |
567 | $cmd = [@scp_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $file, $CONFIG_FILE]; | |
568 | eval { | |
569 | run_command($cmd, outfunc => $output, timeout => $timeout); | |
570 | }; | |
571 | $err1 = $@ if $@; | |
572 | unlink $file; | |
573 | die "$err\n$err1" if $err1; | |
574 | eval { | |
575 | run_lun_command($scfg, undef, 'add_view', 'restart'); | |
576 | }; | |
577 | die "$err\n$@" if ($@); | |
578 | } | |
579 | die $err; | |
580 | } elsif ($@) { | |
581 | die $@; | |
582 | } elsif ($is_add_view) { | |
583 | $OLD_CONFIG = undef; | |
584 | } | |
585 | ||
586 | if ($res->{post_exe} && ref $res->{post_exe} eq 'CODE') { | |
587 | $res->{post_exe}->(); | |
588 | } | |
589 | ||
590 | if ($res->{msg}) { | |
591 | $msg = $res->{msg}; | |
592 | } | |
a62d1e99 | 593 | |
3b219e80 | 594 | return $msg; |
a62d1e99 MR |
595 | } |
596 | ||
597 | sub get_base { | |
3b219e80 | 598 | return '/dev/zvol'; |
a62d1e99 MR |
599 | } |
600 | ||
3b219e80 | 601 | 1; |