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Commit | Line | Data |
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c2bcfdb2 DM |
1 | package PVE::APIClient::CLIFormatter; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use I18N::Langinfo; | |
bb27fea1 | 6 | use POSIX qw(strftime); |
c2bcfdb2 DM |
7 | |
8 | use PVE::APIClient::JSONSchema; | |
9 | use PVE::APIClient::PTY; | |
10 | use JSON; | |
11 | use utf8; | |
12 | use Encode; | |
13 | ||
bb27fea1 DM |
14 | sub render_timestamp { |
15 | my ($epoch) = @_; | |
16 | ||
17 | # ISO 8601 date format | |
18 | return strftime("%F %H:%M:%S", localtime($epoch)); | |
19 | } | |
20 | ||
21 | PVE::APIClient::JSONSchema::register_renderer('timestamp', \&render_timestamp); | |
22 | ||
23 | sub render_timestamp_gmt { | |
24 | my ($epoch) = @_; | |
25 | ||
26 | # ISO 8601 date format, standard Greenwich time zone | |
27 | return strftime("%F %H:%M:%S", gmtime($epoch)); | |
28 | } | |
29 | ||
30 | PVE::APIClient::JSONSchema::register_renderer('timestamp_gmt', \&render_timestamp_gmt); | |
31 | ||
d012b98c DM |
32 | sub render_duration { |
33 | my ($duration_in_seconds) = @_; | |
34 | ||
35 | my $text = ''; | |
36 | my $rest = $duration_in_seconds; | |
37 | ||
38 | my $step = sub { | |
39 | my ($unit, $unitlength) = @_; | |
40 | ||
41 | if ((my $v = int($rest/$unitlength)) > 0) { | |
42 | $text .= " " if length($text); | |
43 | $text .= "${v}${unit}"; | |
44 | $rest -= $v * $unitlength; | |
45 | } | |
46 | }; | |
47 | ||
48 | $step->('w', 7*24*3600); | |
49 | $step->('d', 24*3600); | |
50 | $step->('h', 3600); | |
51 | $step->('m', 60); | |
52 | $step->('s', 1); | |
53 | ||
54 | return $text; | |
55 | } | |
56 | ||
57 | PVE::APIClient::JSONSchema::register_renderer('duration', \&render_duration); | |
58 | ||
59 | sub render_fraction_as_percentage { | |
60 | my ($fraction) = @_; | |
61 | ||
62 | return sprintf("%.2f%%", $fraction*100); | |
63 | } | |
64 | ||
65 | PVE::APIClient::JSONSchema::register_renderer( | |
66 | 'fraction_as_percentage', \&render_fraction_as_percentage); | |
67 | ||
68 | sub render_bytes { | |
69 | my ($value) = @_; | |
70 | ||
71 | my @units = qw(B KiB MiB GiB TiB PiB); | |
72 | ||
73 | my $max_unit = 0; | |
74 | if ($value > 1023) { | |
75 | $max_unit = int(log($value)/log(1024)); | |
76 | $value /= 1024**($max_unit); | |
77 | } | |
78 | ||
79 | return sprintf "%.2f $units[$max_unit]", $value; | |
80 | } | |
81 | ||
82 | PVE::APIClient::JSONSchema::register_renderer('bytes', \&render_bytes); | |
83 | ||
c2bcfdb2 DM |
84 | sub query_terminal_options { |
85 | my ($options) = @_; | |
86 | ||
87 | $options //= {}; | |
88 | ||
89 | if (-t STDOUT) { | |
90 | ($options->{columns}) = PVE::APIClient::PTY::tcgetsize(*STDOUT); | |
91 | } | |
92 | ||
93 | $options->{encoding} = I18N::Langinfo::langinfo(I18N::Langinfo::CODESET()); | |
94 | ||
95 | $options->{utf8} = 1 if $options->{encoding} eq 'UTF-8'; | |
96 | ||
97 | return $options; | |
98 | } | |
99 | ||
100 | sub data_to_text { | |
bb27fea1 | 101 | my ($data, $propdef, $options) = @_; |
c2bcfdb2 DM |
102 | |
103 | return '' if !defined($data); | |
104 | ||
105 | if (defined($propdef)) { | |
106 | if (my $type = $propdef->{type}) { | |
107 | if ($type eq 'boolean') { | |
108 | return $data ? 1 : 0; | |
109 | } | |
110 | } | |
111 | if (!defined($data) && defined($propdef->{default})) { | |
112 | return "($propdef->{default})"; | |
113 | } | |
114 | if (defined(my $renderer = $propdef->{renderer})) { | |
115 | my $code = PVE::APIClient::JSONSchema::get_renderer($renderer); | |
116 | die "internal error: unknown renderer '$renderer'" if !$code; | |
bb27fea1 | 117 | return $code->($data, $options); |
c2bcfdb2 DM |
118 | } |
119 | } | |
120 | ||
121 | if (my $class = ref($data)) { | |
122 | return to_json($data, { canonical => 1 }); | |
123 | } else { | |
124 | return "$data"; | |
125 | } | |
126 | } | |
127 | ||
128 | # prints a formatted table with a title row. | |
129 | # $data - the data to print (array of objects) | |
130 | # $returnprops -json schema property description | |
131 | # $props_to_print - ordered list of properties to print | |
132 | # $options | |
133 | # - sort_key: can be used to sort after a column, if it isn't set we sort | |
134 | # after the leftmost column (with no undef value in $data) this can be | |
135 | # turned off by passing 0 as sort_key | |
136 | # - border: print with/without table header and asciiart border | |
137 | # - columns: limit output width (if > 0) | |
138 | # - utf8: use utf8 characters for table delimiters | |
139 | ||
140 | sub print_text_table { | |
141 | my ($data, $returnprops, $props_to_print, $options) = @_; | |
142 | ||
143 | my $sort_key = $options->{sort_key}; | |
144 | my $border = $options->{border}; | |
145 | my $columns = $options->{columns}; | |
146 | my $utf8 = $options->{utf8}; | |
147 | my $encoding = $options->{encoding} // 'UTF-8'; | |
148 | ||
149 | if (!defined($sort_key) || $sort_key eq 0) { | |
150 | $sort_key = $props_to_print->[0]; | |
151 | } | |
152 | ||
153 | if (defined($sort_key)) { | |
154 | my $type = $returnprops->{$sort_key}->{type} // 'string'; | |
155 | if ($type eq 'integer' || $type eq 'number') { | |
156 | @$data = sort { $a->{$sort_key} <=> $b->{$sort_key} } @$data; | |
157 | } else { | |
158 | @$data = sort { $a->{$sort_key} cmp $b->{$sort_key} } @$data; | |
159 | } | |
160 | } | |
161 | ||
162 | my $colopts = {}; | |
163 | ||
164 | my $borderstring_m = ''; | |
165 | my $borderstring_b = ''; | |
166 | my $borderstring_t = ''; | |
167 | my $formatstring = ''; | |
168 | ||
169 | my $column_count = scalar(@$props_to_print); | |
170 | ||
171 | my $tabledata = []; | |
172 | ||
173 | foreach my $entry (@$data) { | |
174 | ||
175 | my $height = 1; | |
176 | my $rowdata = {}; | |
177 | ||
178 | for (my $i = 0; $i < $column_count; $i++) { | |
179 | my $prop = $props_to_print->[$i]; | |
180 | my $propinfo = $returnprops->{$prop} // {}; | |
181 | ||
bb27fea1 | 182 | my $text = data_to_text($entry->{$prop}, $propinfo, $options); |
c2bcfdb2 DM |
183 | my $lines = [ split(/\n/, $text) ]; |
184 | my $linecount = scalar(@$lines); | |
185 | $height = $linecount if $linecount > $height; | |
186 | ||
187 | my $width = 0; | |
188 | foreach my $line (@$lines) { | |
189 | my $len = length($line); | |
190 | $width = $len if $len > $width; | |
191 | } | |
192 | ||
193 | $rowdata->{$prop} = { | |
194 | lines => $lines, | |
195 | width => $width, | |
196 | }; | |
197 | } | |
198 | ||
199 | push @$tabledata, { | |
200 | height => $height, | |
201 | rowdata => $rowdata, | |
202 | }; | |
203 | } | |
204 | ||
205 | for (my $i = 0; $i < $column_count; $i++) { | |
206 | my $prop = $props_to_print->[$i]; | |
207 | my $propinfo = $returnprops->{$prop} // {}; | |
208 | ||
209 | my $title = $propinfo->{title} // $prop; | |
210 | my $cutoff = $propinfo->{print_width} // $propinfo->{maxLength}; | |
211 | ||
212 | # calculate maximal print width and cutoff | |
213 | my $titlelen = length($title); | |
214 | ||
215 | my $longest = $titlelen; | |
216 | foreach my $coldata (@$tabledata) { | |
217 | my $rowdata = $coldata->{rowdata}->{$prop}; | |
218 | $longest = $rowdata->{width} if $rowdata->{width} > $longest; | |
219 | } | |
220 | $cutoff = $longest if !defined($cutoff) || $cutoff > $longest; | |
221 | ||
222 | $colopts->{$prop} = { | |
223 | title => $title, | |
224 | cutoff => $cutoff, | |
225 | }; | |
226 | ||
227 | if ($border) { | |
228 | if ($i == 0 && ($column_count == 1)) { | |
229 | if ($utf8) { | |
230 | $formatstring .= "│ %-${cutoff}s │"; | |
231 | $borderstring_t .= "┌─" . ('─' x $cutoff) . "─┐"; | |
232 | $borderstring_m .= "├─" . ('─' x $cutoff) . "─┤"; | |
233 | $borderstring_b .= "└─" . ('─' x $cutoff) . "─┘"; | |
234 | } else { | |
235 | $formatstring .= "| %-${cutoff}s |"; | |
236 | $borderstring_m .= "+-" . ('-' x $cutoff) . "-+"; | |
237 | } | |
238 | } elsif ($i == 0) { | |
239 | if ($utf8) { | |
240 | $formatstring .= "│ %-${cutoff}s "; | |
241 | $borderstring_t .= "┌─" . ('─' x $cutoff) . '─'; | |
242 | $borderstring_m .= "├─" . ('─' x $cutoff) . '─'; | |
243 | $borderstring_b .= "└─" . ('─' x $cutoff) . '─'; | |
244 | } else { | |
245 | $formatstring .= "| %-${cutoff}s "; | |
246 | $borderstring_m .= "+-" . ('-' x $cutoff) . '-'; | |
247 | } | |
248 | } elsif ($i == ($column_count - 1)) { | |
249 | if ($utf8) { | |
250 | $formatstring .= "│ %-${cutoff}s │"; | |
251 | $borderstring_t .= "┬─" . ('─' x $cutoff) . "─┐"; | |
252 | $borderstring_m .= "┼─" . ('─' x $cutoff) . "─┤"; | |
253 | $borderstring_b .= "┴─" . ('─' x $cutoff) . "─┘"; | |
254 | } else { | |
255 | $formatstring .= "| %-${cutoff}s |"; | |
256 | $borderstring_m .= "+-" . ('-' x $cutoff) . "-+"; | |
257 | } | |
258 | } else { | |
259 | if ($utf8) { | |
260 | $formatstring .= "│ %-${cutoff}s "; | |
261 | $borderstring_t .= "┬─" . ('─' x $cutoff) . '─'; | |
262 | $borderstring_m .= "┼─" . ('─' x $cutoff) . '─'; | |
263 | $borderstring_b .= "┴─" . ('─' x $cutoff) . '─'; | |
264 | } else { | |
265 | $formatstring .= "| %-${cutoff}s "; | |
266 | $borderstring_m .= "+-" . ('-' x $cutoff) . '-'; | |
267 | } | |
268 | } | |
269 | } else { | |
270 | # skip alignment and cutoff on last column | |
271 | $formatstring .= ($i == ($column_count - 1)) ? "%s" : "%-${cutoff}s "; | |
272 | } | |
273 | } | |
274 | ||
275 | $borderstring_t = $borderstring_m if !length($borderstring_t); | |
276 | $borderstring_b = $borderstring_m if !length($borderstring_b); | |
277 | ||
278 | my $writeln = sub { | |
279 | my ($text) = @_; | |
280 | ||
281 | if ($columns) { | |
282 | print encode($encoding, substr($text, 0, $columns) . "\n"); | |
283 | } else { | |
284 | print encode($encoding, $text) . "\n"; | |
285 | } | |
286 | }; | |
287 | ||
288 | $writeln->($borderstring_t) if $border; | |
289 | my $text = sprintf $formatstring, map { $colopts->{$_}->{title} } @$props_to_print; | |
290 | $writeln->($text); | |
291 | ||
292 | foreach my $coldata (@$tabledata) { | |
293 | $writeln->($borderstring_m) if $border; | |
294 | ||
295 | for (my $i = 0; $i < $coldata->{height}; $i++) { | |
296 | ||
297 | $text = sprintf $formatstring, map { | |
298 | substr($coldata->{rowdata}->{$_}->{lines}->[$i] // '', 0, $colopts->{$_}->{cutoff}); | |
299 | } @$props_to_print; | |
300 | ||
301 | $writeln->($text); | |
302 | } | |
303 | } | |
304 | ||
305 | $writeln->($borderstring_b) if $border; | |
306 | } | |
307 | ||
d012b98c DM |
308 | sub extract_properties_to_print { |
309 | my ($propdef) = @_; | |
310 | ||
311 | my $required = []; | |
312 | my $optional = []; | |
313 | ||
314 | foreach my $key (keys %$propdef) { | |
315 | my $prop = $propdef->{$key}; | |
316 | if ($prop->{optional}) { | |
317 | push @$optional, $key; | |
318 | } else { | |
319 | push @$required, $key; | |
320 | } | |
321 | } | |
322 | ||
323 | return [ sort(@$required), sort(@$optional) ]; | |
324 | } | |
325 | ||
c2bcfdb2 DM |
326 | # prints the result of an API GET call returning an array as a table. |
327 | # takes formatting information from the results property of the call | |
328 | # if $props_to_print is provided, prints only those columns. otherwise | |
329 | # takes all fields of the results property, with a fallback | |
330 | # to all fields occuring in items of $data. | |
331 | sub print_api_list { | |
332 | my ($data, $result_schema, $props_to_print, $options) = @_; | |
333 | ||
334 | die "can only print object lists\n" | |
335 | if !($result_schema->{type} eq 'array' && $result_schema->{items}->{type} eq 'object'); | |
336 | ||
337 | my $returnprops = $result_schema->{items}->{properties}; | |
338 | ||
d012b98c DM |
339 | $props_to_print = extract_properties_to_print($returnprops) |
340 | if !defined($props_to_print); | |
341 | ||
342 | if (!scalar(@$props_to_print)) { | |
343 | my $all_props = {}; | |
344 | foreach my $obj (@$data) { | |
345 | foreach my $key (keys %$obj) { | |
346 | $all_props->{$key} = 1; | |
c2bcfdb2 | 347 | } |
c2bcfdb2 | 348 | } |
d012b98c | 349 | $props_to_print = [ sort keys %{$all_props} ]; |
c2bcfdb2 DM |
350 | } |
351 | ||
d012b98c DM |
352 | die "unable to detect list properties\n" if !scalar(@$props_to_print); |
353 | ||
c2bcfdb2 DM |
354 | print_text_table($data, $returnprops, $props_to_print, $options); |
355 | } | |
356 | ||
357 | sub print_api_result { | |
358 | my ($format, $data, $result_schema, $props_to_print, $options) = @_; | |
359 | ||
360 | if (!defined($options)) { | |
361 | $options = query_terminal_options({}); | |
362 | } else { | |
363 | $options = { %$options }; # copy | |
364 | } | |
365 | ||
366 | return if $result_schema->{type} eq 'null'; | |
367 | ||
368 | if ($format eq 'json') { | |
369 | # Note: we always use utf8 encoding for json format | |
370 | print to_json($data, {utf8 => 1, allow_nonref => 1, canonical => 1, pretty => 1 }); | |
371 | } elsif ($format eq 'text' || $format eq 'plain') { | |
372 | my $encoding = $options->{encoding} // 'UTF-8'; | |
373 | my $type = $result_schema->{type}; | |
374 | if ($type eq 'object') { | |
d012b98c DM |
375 | $props_to_print = extract_properties_to_print($result_schema->{properties}) |
376 | if !defined($props_to_print); | |
377 | $props_to_print = [ sort keys %$data ] if !scalar(@$props_to_print); | |
c2bcfdb2 DM |
378 | my $kvstore = []; |
379 | foreach my $key (@$props_to_print) { | |
bb27fea1 | 380 | push @$kvstore, { key => $key, value => data_to_text($data->{$key}, $result_schema->{properties}->{$key}, $options) }; |
c2bcfdb2 DM |
381 | } |
382 | my $schema = { type => 'array', items => { type => 'object' }}; | |
383 | $options->{border} = $format eq 'text'; | |
384 | print_api_list($kvstore, $schema, ['key', 'value'], $options); | |
385 | } elsif ($type eq 'array') { | |
386 | return if !scalar(@$data); | |
bb27fea1 | 387 | $options->{border} = $format eq 'text'; |
c2bcfdb2 DM |
388 | my $item_type = $result_schema->{items}->{type}; |
389 | if ($item_type eq 'object') { | |
c2bcfdb2 DM |
390 | print_api_list($data, $result_schema, $props_to_print, $options); |
391 | } else { | |
bb27fea1 DM |
392 | my $kvstore = []; |
393 | foreach my $value (@$data) { | |
394 | push @$kvstore, { value => $value }; | |
c2bcfdb2 | 395 | } |
bb27fea1 DM |
396 | my $schema = { type => 'array', items => { type => 'object', properties => { value => $result_schema->{items} }}}; |
397 | print_api_list($kvstore, $schema, ['value'], $options); | |
c2bcfdb2 DM |
398 | } |
399 | } else { | |
400 | print encode($encoding, "$data\n"); | |
401 | } | |
402 | } else { | |
403 | die "internal error: unknown output format"; # should not happen | |
404 | } | |
405 | } | |
406 | ||
407 | 1; |