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1d18e90b DM |
1 | #!/usr/bin/perl |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use Term::ReadLine; | |
6 | use File::Basename; | |
7 | use Getopt::Long; | |
8 | use HTTP::Status qw(:constants :is status_message); | |
9 | use Text::ParseWords; | |
10 | ||
11 | use PVE::JSONSchema; | |
12 | use PVE::SafeSyslog; | |
13 | use PVE::INotify; | |
14 | use PVE::RESTEnvironment; | |
15 | ||
16 | use PMG::Cluster; | |
17 | use PMG::API2; | |
18 | use JSON; | |
19 | ||
20 | PVE::INotify::inotify_init(); | |
21 | ||
22 | my $rpcenv = PVE::RESTEnvironment->init('cli'); | |
23 | ||
24 | $rpcenv->set_language($ENV{LANG}); | |
25 | $rpcenv->set_user('root@pam'); | |
26 | ||
27 | my $logid = $ENV{PVE_LOG_ID} || 'pmgsh'; | |
28 | initlog($logid); | |
29 | ||
30 | my $basedir = '/api2/json'; | |
31 | ||
32 | my $cdir = ''; | |
33 | ||
34 | sub print_usage { | |
35 | my $msg = shift; | |
36 | ||
37 | print STDERR "ERROR: $msg\n" if $msg; | |
38 | print STDERR "USAGE: pmgsh [verifyapi]\n"; | |
39 | print STDERR " pmgsh CMD [OPTIONS]\n"; | |
40 | ||
41 | } | |
42 | ||
43 | my $disable_proxy = 0; | |
44 | my $opt_nooutput = 0; | |
45 | ||
46 | my $cmd = shift; | |
47 | ||
48 | my $optmatch; | |
49 | do { | |
50 | $optmatch = 0; | |
51 | if ($cmd) { | |
52 | if ($cmd eq '--noproxy') { | |
53 | $cmd = shift; | |
54 | $disable_proxy = 1; | |
55 | $optmatch = 1; | |
56 | } elsif ($cmd eq '--nooutput') { | |
57 | # we use this when starting task in CLI (suppress printing upid) | |
58 | $cmd = shift; | |
59 | $opt_nooutput = 1; | |
60 | $optmatch = 1; | |
61 | } | |
62 | } | |
63 | } while ($optmatch); | |
64 | ||
65 | if ($cmd) { | |
66 | if ($cmd eq 'verifyapi') { | |
67 | PVE::RESTHandler::validate_method_schemas(); | |
68 | exit 0; | |
69 | } elsif ($cmd eq 'ls' || $cmd eq 'get' || $cmd eq 'create' || | |
70 | $cmd eq 'set' || $cmd eq 'delete' ||$cmd eq 'help' ) { | |
71 | pmg_command([ $cmd, @ARGV], $opt_nooutput); | |
72 | exit(0); | |
73 | } else { | |
74 | print_usage ("unknown command '$cmd'"); | |
75 | exit (-1); | |
76 | } | |
77 | } | |
78 | ||
79 | if (scalar (@ARGV) != 0) { | |
80 | print_usage(); | |
81 | exit(-1); | |
82 | } | |
83 | ||
84 | print "entering PMG shell - type 'help' for help\n"; | |
85 | ||
86 | my $term = new Term::ReadLine('pmgsh'); | |
87 | my $attribs = $term->Attribs; | |
88 | ||
89 | sub complete_path { | |
90 | my($text) = @_; | |
91 | ||
92 | my ($dir, undef, $rest) = $text =~ m|^(.*/)?(([^/]*))?$|; | |
93 | my $path = abs_path($cdir, $dir); | |
94 | ||
95 | my @res = (); | |
96 | ||
97 | my $di = dir_info($path); | |
98 | if (my $children = $di->{children}) { | |
99 | foreach my $c (@$children) { | |
100 | if ($c =~ /^\Q$rest/) { | |
101 | my $new = $dir ? "$dir$c" : $c; | |
102 | push @res, $new; | |
103 | } | |
104 | } | |
105 | } | |
106 | ||
107 | if (scalar(@res) == 0) { | |
108 | return undef; | |
109 | } elsif (scalar(@res) == 1) { | |
110 | return ($res[0], $res[0], "$res[0]/"); | |
111 | } | |
112 | ||
113 | # lcd : lowest common denominator | |
114 | my $lcd = ''; | |
115 | my $tmp = $res[0]; | |
116 | for (my $i = 1; $i <= length($tmp); $i++) { | |
117 | my $found = 1; | |
118 | foreach my $p (@res) { | |
119 | if (substr($tmp, 0, $i) ne substr($p, 0, $i)) { | |
120 | $found = 0; | |
121 | last; | |
122 | } | |
123 | } | |
124 | if ($found) { | |
125 | $lcd = substr($tmp, 0, $i); | |
126 | } else { | |
127 | last; | |
128 | } | |
129 | } | |
130 | ||
131 | return ($lcd, @res); | |
132 | }; | |
133 | ||
134 | # just to avoid an endless loop (called by attempted_completion_function) | |
135 | $attribs->{completion_entry_function} = sub { | |
136 | my($text, $state) = @_; | |
137 | return undef; | |
138 | }; | |
139 | ||
140 | $attribs->{attempted_completion_function} = sub { | |
141 | my ($text, $line, $start) = @_; | |
142 | ||
143 | my $prefix = substr($line, 0, $start); | |
144 | if ($prefix =~ /^\s*$/) { # first word (command completeion) | |
145 | $attribs->{completion_word} = [qw(help ls cd get set create delete quit)]; | |
146 | return $term->completion_matches($text, $attribs->{list_completion_function}); | |
147 | } | |
148 | ||
149 | if ($prefix =~ /^\s*\S+\s+$/) { # second word (path completion) | |
150 | return complete_path($text); | |
151 | } | |
152 | ||
153 | return (); | |
154 | }; | |
155 | ||
156 | sub abs_path { | |
157 | my ($current, $path) = @_; | |
158 | ||
159 | my $ret = $current; | |
160 | ||
161 | return $current if !defined($path); | |
162 | ||
163 | $ret = '' if $path =~ m|^\/|; | |
164 | ||
165 | foreach my $d (split (/\/+/ , $path)) { | |
166 | if ($d eq '.') { | |
167 | next; | |
168 | } elsif ($d eq '..') { | |
169 | $ret = dirname($ret); | |
170 | $ret = '' if $ret eq '.'; | |
171 | } else { | |
172 | $ret = "$ret/$d"; | |
173 | } | |
174 | } | |
175 | ||
176 | $ret =~ s|\/+|\/|g; | |
177 | $ret =~ s|^\/||; | |
178 | $ret =~ s|\/$||; | |
179 | ||
180 | return $ret; | |
181 | } | |
182 | ||
183 | my $read_password = sub { | |
184 | my $attribs = $term->Attribs; | |
185 | my $old = $attribs->{redisplay_function}; | |
186 | $attribs->{redisplay_function} = $attribs->{shadow_redisplay}; | |
187 | my $input = $term->readline('password: '); | |
188 | my $conf = $term->readline('Retype new password: '); | |
189 | $attribs->{redisplay_function} = $old; | |
190 | ||
191 | # remove password from history | |
192 | if ($term->Features->{autohistory}) { | |
193 | my $historyPosition = $term->where_history(); | |
194 | $term->remove_history($historyPosition); | |
195 | $term->remove_history($historyPosition - 1); | |
196 | } | |
197 | ||
198 | die "Passwords do not match.\n" if ($input ne $conf); | |
199 | return $input; | |
200 | }; | |
201 | ||
202 | sub reverse_map_cmd { | |
203 | my $method = shift; | |
204 | ||
205 | my $mmap = { | |
206 | GET => 'get', | |
207 | PUT => 'set', | |
208 | POST => 'create', | |
209 | DELETE => 'delete', | |
210 | }; | |
211 | ||
212 | my $cmd = $mmap->{$method}; | |
213 | ||
214 | die "got strange value for method ('$method') - internal error" if !$cmd; | |
215 | ||
216 | return $cmd; | |
217 | } | |
218 | ||
219 | sub map_cmd { | |
220 | my $cmd = shift; | |
221 | ||
222 | my $mmap = { | |
223 | create => 'POST', | |
224 | set => 'PUT', | |
225 | get => 'GET', | |
226 | ls => 'GET', | |
227 | delete => 'DELETE', | |
228 | }; | |
229 | ||
230 | my $method = $mmap->{$cmd}; | |
231 | ||
232 | die "unable to map method" if !$method; | |
233 | ||
234 | return $method; | |
235 | } | |
236 | ||
237 | sub check_proxyto { | |
238 | my ($info, $uri_param) = @_; | |
239 | ||
240 | if ($info->{proxyto}) { | |
241 | my $pn = $info->{proxyto}; | |
0fb55414 DM |
242 | my $node; |
243 | if ($pn eq 'master') { | |
244 | $node = PMG::Cluster::get_master_node(); | |
245 | } else { | |
246 | $node = $uri_param->{$pn}; | |
247 | die "proxy parameter '$pn' does not exists" if !$node; | |
248 | } | |
1d18e90b DM |
249 | |
250 | if ($node ne 'localhost' && ($node ne PVE::INotify::nodename())) { | |
251 | die "proxy loop detected - aborting\n" if $disable_proxy; | |
252 | my $remip = PMG::Cluster::remote_node_ip($node); | |
253 | return ($node, $remip); | |
254 | } | |
255 | } | |
256 | ||
257 | return undef; | |
258 | } | |
259 | ||
260 | sub proxy_handler { | |
261 | my ($node, $remip, $dir, $cmd, $args) = @_; | |
262 | ||
263 | my $remcmd = ['ssh', '-o', 'BatchMode=yes', "root\@$remip", | |
264 | 'pmgsh', '--noproxy', $cmd, $dir, @$args]; | |
265 | ||
266 | system(@$remcmd) == 0 || die "proxy handler failed\n"; | |
267 | } | |
268 | ||
269 | sub call_method { | |
270 | my ($dir, $cmd, $args, $nooutput) = @_; | |
271 | ||
272 | my $method = map_cmd($cmd); | |
273 | ||
274 | my $uri_param = {}; | |
275 | my ($handler, $info) = PMG::API2->find_handler($method, $dir, $uri_param); | |
276 | if (!$handler || !$info) { | |
277 | die "no '$cmd' handler for '$dir'\n"; | |
278 | } | |
279 | ||
280 | my ($node, $remip) = check_proxyto($info, $uri_param); | |
281 | return proxy_handler($node, $remip, $dir, $cmd, $args) if $node; | |
282 | ||
283 | my $data = $handler->cli_handler("$cmd $dir", $info->{name}, $args, [], $uri_param, $read_password); | |
284 | ||
285 | return if $nooutput; | |
286 | ||
287 | warn "200 OK\n"; # always print OK status if successful | |
288 | ||
289 | if ($info && $info->{returns} && $info->{returns}->{type}) { | |
290 | my $rtype = $info->{returns}->{type}; | |
291 | ||
292 | return if $rtype eq 'null'; | |
293 | ||
294 | if ($rtype eq 'string') { | |
295 | print $data if $data; | |
296 | return; | |
297 | } | |
298 | } | |
299 | ||
300 | print to_json($data, {utf8 => 1, allow_nonref => 1, canonical => 1, pretty => 1 }); | |
301 | ||
302 | return; | |
303 | } | |
304 | ||
305 | sub find_resource_methods { | |
306 | my ($path, $ihash) = @_; | |
307 | ||
308 | for my $method (qw(GET POST PUT DELETE)) { | |
309 | my $uri_param = {}; | |
310 | my $path_match; | |
311 | my ($handler, $info) = PMG::API2->find_handler($method, $path, $uri_param, \$path_match); | |
312 | if ($handler && $info && !$ihash->{$info}) { | |
313 | $ihash->{$info} = { | |
314 | path => $path_match, | |
315 | handler => $handler, | |
316 | info => $info, | |
317 | uri_param => $uri_param, | |
318 | }; | |
319 | } | |
320 | } | |
321 | } | |
322 | ||
323 | sub print_help { | |
324 | my ($path, $opts) = @_; | |
325 | ||
326 | my $ihash = {}; | |
327 | ||
328 | find_resource_methods($path, $ihash); | |
329 | ||
330 | if (!scalar(keys(%$ihash))) { | |
331 | die "no such resource\n"; | |
332 | } | |
333 | ||
334 | my $di = dir_info($path); | |
335 | if (my $children = $di->{children}) { | |
336 | foreach my $c (@$children) { | |
337 | my $cp = abs_path($path, $c); | |
338 | find_resource_methods($cp, $ihash); | |
339 | } | |
340 | } | |
341 | ||
342 | foreach my $mi (sort { $a->{path} cmp $b->{path} } values %$ihash) { | |
343 | my $method = $mi->{info}->{method}; | |
344 | ||
345 | # we skip index methods for now. | |
346 | next if ($method eq 'GET') && PVE::JSONSchema::method_get_child_link($mi->{info}); | |
347 | ||
348 | my $path = $mi->{path}; | |
349 | $path =~ s|/+$||; # remove trailing slash | |
350 | ||
351 | my $cmd = reverse_map_cmd($method); | |
352 | ||
353 | print $mi->{handler}->usage_str($mi->{info}->{name}, "$cmd $path", [], $mi->{uri_param}, | |
354 | $opts->{verbose} ? 'full' : 'short', 1); | |
355 | print "\n\n" if $opts->{verbose}; | |
356 | } | |
357 | ||
358 | }; | |
359 | ||
360 | sub resource_cap { | |
361 | my ($path) = @_; | |
362 | ||
363 | my $res = ''; | |
364 | ||
365 | my ($handler, $info) = PMG::API2->find_handler('GET', $path); | |
366 | if (!($handler && $info)) { | |
367 | $res .= '--'; | |
368 | } else { | |
369 | if (PVE::JSONSchema::method_get_child_link($info)) { | |
370 | $res .= 'Dr'; | |
371 | } else { | |
372 | $res .= '-r'; | |
373 | } | |
374 | } | |
375 | ||
376 | ($handler, $info) = PMG::API2->find_handler('PUT', $path); | |
377 | if (!($handler && $info)) { | |
378 | $res .= '-'; | |
379 | } else { | |
380 | $res .= 'w'; | |
381 | } | |
382 | ||
383 | ($handler, $info) = PMG::API2->find_handler('POST', $path); | |
384 | if (!($handler && $info)) { | |
385 | $res .= '-'; | |
386 | } else { | |
387 | $res .= 'c'; | |
388 | } | |
389 | ||
390 | ($handler, $info) = PMG::API2->find_handler('DELETE', $path); | |
391 | if (!($handler && $info)) { | |
392 | $res .= '-'; | |
393 | } else { | |
394 | $res .= 'd'; | |
395 | } | |
396 | ||
397 | return $res; | |
398 | } | |
399 | ||
400 | sub extract_children { | |
401 | my ($lnk, $data) = @_; | |
402 | ||
403 | my $res = []; | |
404 | ||
405 | return $res if !($lnk && $data); | |
406 | ||
407 | my $href = $lnk->{href}; | |
408 | if ($href =~ m/^\{(\S+)\}$/) { | |
409 | my $prop = $1; | |
410 | ||
411 | foreach my $elem (sort {$a->{$prop} cmp $b->{$prop}} @$data) { | |
412 | next if !ref($elem); | |
413 | my $value = $elem->{$prop}; | |
414 | push @$res, $value; | |
415 | } | |
416 | } | |
417 | ||
418 | return $res; | |
419 | } | |
420 | ||
421 | sub dir_info { | |
422 | my ($path) = @_; | |
423 | ||
424 | my $res = { path => $path }; | |
425 | my $uri_param = {}; | |
426 | my ($handler, $info, $pm) = PMG::API2->find_handler('GET', $path, $uri_param); | |
427 | if ($handler && $info) { | |
428 | eval { | |
429 | my $data = $handler->handle($info, $uri_param); | |
430 | my $lnk = PVE::JSONSchema::method_get_child_link($info); | |
431 | $res->{children} = extract_children($lnk, $data); | |
432 | }; # ignore errors ? | |
433 | } | |
434 | return $res; | |
435 | } | |
436 | ||
437 | sub list_dir { | |
438 | my ($dir, $args) = @_; | |
439 | ||
440 | my $uri_param = {}; | |
441 | my ($handler, $info) = PMG::API2->find_handler('GET', $dir, $uri_param); | |
442 | if (!$handler || !$info) { | |
443 | die "no such resource\n"; | |
444 | } | |
445 | ||
446 | if (!PVE::JSONSchema::method_get_child_link($info)) { | |
447 | die "resource does not define child links\n"; | |
448 | } | |
449 | ||
450 | my ($node, $remip) = check_proxyto($info, $uri_param); | |
451 | return proxy_handler($node, $remip, $dir, 'ls', $args) if $node; | |
452 | ||
453 | ||
454 | my $data = $handler->cli_handler("ls $dir", $info->{name}, $args, [], $uri_param, $read_password); | |
455 | my $lnk = PVE::JSONSchema::method_get_child_link($info); | |
456 | my $children = extract_children($lnk, $data); | |
457 | ||
458 | foreach my $c (@$children) { | |
459 | my $cap = resource_cap(abs_path($dir, $c)); | |
460 | print "$cap $c\n"; | |
461 | } | |
462 | } | |
463 | ||
464 | sub pmg_command { | |
465 | my ($args, $nooutput) = @_; | |
466 | ||
467 | $rpcenv->init_request(); | |
468 | ||
469 | my $cmd = shift @$args; | |
470 | ||
471 | if ($cmd eq 'cd') { | |
472 | ||
473 | my $path = shift @$args; | |
474 | ||
475 | die "usage: cd [dir]\n" if scalar(@$args); | |
476 | ||
477 | if (!defined($path)) { | |
478 | $cdir = ''; | |
479 | return; | |
480 | } else { | |
481 | my $new_dir = abs_path($cdir, $path); | |
482 | my ($handler, $info) = PMG::API2->find_handler('GET', $new_dir); | |
483 | die "no such resource\n" if !$handler; | |
484 | $cdir = $new_dir; | |
485 | } | |
486 | ||
487 | } elsif ($cmd eq 'help') { | |
488 | ||
489 | my $help_usage_error = sub { | |
490 | die "usage: help [path] [--verbose]\n"; | |
491 | }; | |
492 | ||
493 | my $opts = {}; | |
494 | ||
495 | &$help_usage_error() if !Getopt::Long::GetOptionsFromArray($args, $opts, 'verbose'); | |
496 | ||
497 | my $path; | |
498 | if (scalar(@$args) && $args->[0] !~ m/^\-/) { | |
499 | $path = shift @$args; | |
500 | } | |
501 | ||
502 | &$help_usage_error() if scalar(@$args); | |
503 | ||
504 | print "help [path] [--verbose]\n"; | |
505 | print "cd [path]\n"; | |
506 | print "ls [path]\n\n"; | |
507 | ||
508 | print_help(abs_path($cdir, $path), $opts); | |
509 | ||
510 | } elsif ($cmd eq 'ls') { | |
511 | my $path; | |
512 | if (scalar(@$args) && $args->[0] !~ m/^\-/) { | |
513 | $path = shift @$args; | |
514 | } | |
515 | ||
516 | list_dir(abs_path($cdir, $path), $args); | |
517 | ||
518 | } elsif ($cmd =~ m/^get|delete|set$/) { | |
519 | ||
520 | my $path; | |
521 | if (scalar(@$args) && $args->[0] !~ m/^\-/) { | |
522 | $path = shift @$args; | |
523 | } | |
524 | ||
525 | call_method(abs_path($cdir, $path), $cmd, $args); | |
526 | ||
527 | } elsif ($cmd eq 'create') { | |
528 | ||
529 | my $path; | |
530 | if (scalar(@$args) && $args->[0] !~ m/^\-/) { | |
531 | $path = shift @$args; | |
532 | } | |
533 | ||
534 | call_method(abs_path($cdir, $path), $cmd, $args, $nooutput); | |
535 | ||
536 | } else { | |
537 | die "unknown command '$cmd'\n"; | |
538 | } | |
539 | ||
540 | } | |
541 | ||
542 | my $input; | |
543 | while (defined ($input = $term->readline("pmg:/$cdir> "))) { | |
544 | chomp $input; | |
545 | ||
546 | next if $input =~ m/^\s*$/; | |
547 | ||
548 | if ($input =~ m/^\s*q(uit)?\s*$/) { | |
549 | exit (0); | |
550 | } | |
551 | ||
552 | # add input to history if it gets not | |
553 | # automatically added | |
554 | if (!$term->Features->{autohistory}) { | |
555 | $term->addhistory($input); | |
556 | } | |
557 | ||
558 | eval { | |
559 | my $args = [ shellwords($input) ]; | |
560 | pmg_command($args); | |
561 | }; | |
562 | warn $@ if $@; | |
563 | } | |
564 | ||
565 | __END__ | |
566 | ||
567 | =head1 NAME | |
568 | ||
569 | pmgsh - shell interface to the Promox Mail Gateway API | |
570 | ||
571 | =head1 SYNOPSIS | |
572 | ||
573 | pmgsh [get|set|create|delete|help] [REST API path] [--verbose] | |
574 | ||
575 | =head1 DESCRIPTION | |
576 | ||
577 | pmgsh provides a shell-like interface to the Proxmox Mail Gateway API, in | |
578 | two different modes: | |
579 | ||
580 | =over | |
581 | ||
582 | =item interactive | |
583 | ||
584 | when called without parameters, pmgsh starts an interactive client, | |
585 | where you can navigate in the different parts of the API | |
586 | ||
587 | =item command line | |
588 | ||
589 | when started with parameters pmgsh will send a command to the | |
590 | corresponding REST url, and will return the JSON formatted output | |
591 | ||
592 | =back | |
593 | ||
594 | =head1 EXAMPLES | |
595 | ||
596 | get the list of nodes in my cluster | |
597 | ||
598 | pmgsh get /nodes | |
599 |