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phorge/src/applications/harbormaster/management/HarbormasterManagementArchiveLogsWorkflow.php
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HarbormasterManagementArchiveLogsWorkflow.php
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<?php
final class HarbormasterManagementArchiveLogsWorkflow
extends HarbormasterManagementWorkflow {
protected function didConstruct() {
$this
->setName('archive-logs')
->setExamples('**archive-logs** [__options__] --mode __mode__')
->setSynopsis(pht('Compress, decompress, store or destroy build logs.'))
->setArguments(
array(
array(
'name' => 'mode',
'param' => 'mode',
'help' => pht(
'Use "plain" to remove encoding, or "compress" to compress '.
'logs.'),
),
array(
'name' => 'details',
'help' => pht(
'Show more details about operations as they are performed. '.
'Slow! But also very reassuring!'),
),
));
}
public function execute(PhutilArgumentParser $args) {
$viewer = $this->getViewer();
$mode = $args->getArg('mode');
if (!$mode) {
throw new PhutilArgumentUsageException(
pht('Choose an archival mode with --mode.'));
}
$valid_modes = array(
'plain',
'compress',
);
$valid_modes = array_fuse($valid_modes);
if (empty($valid_modes[$mode])) {
throw new PhutilArgumentUsageException(
pht(
'Unknown mode "%s". Valid modes are: %s.',
$mode,
implode(', ', $valid_modes)));
}
$log_table = new HarbormasterBuildLog();
$logs = new LiskMigrationIterator($log_table);
$show_details = $args->getArg('details');
if ($show_details) {
$total_old = 0;
$total_new = 0;
}
foreach ($logs as $log) {
echo tsprintf(
"%s\n",
pht('Processing Harbormaster build log #%d...', $log->getID()));
if ($show_details) {
$old_stats = $this->computeDetails($log);
}
switch ($mode) {
case 'plain':
$log->decompressLog();
break;
case 'compress':
$log->compressLog();
break;
}
if ($show_details) {
$new_stats = $this->computeDetails($log);
$this->printStats($old_stats, $new_stats);
$total_old += $old_stats['bytes'];
$total_new += $new_stats['bytes'];
}
}
if ($show_details) {
echo tsprintf(
"%s\n",
pht(
'Done. Total byte size of affected logs: %s -> %s.',
new PhutilNumber($total_old),
new PhutilNumber($total_new)));
}
return 0;
}
private function computeDetails(HarbormasterBuildLog $log) {
$bytes = 0;
$chunks = 0;
$hash = hash_init('sha1');
foreach ($log->newChunkIterator() as $chunk) {
$bytes += strlen($chunk->getChunk());
$chunks++;
hash_update($hash, $chunk->getChunkDisplayText());
}
return array(
'bytes' => $bytes,
'chunks' => $chunks,
'hash' => hash_final($hash),
);
}
private function printStats(array $old_stats, array $new_stats) {
echo tsprintf(
" %s\n",
pht(
'%s: %s -> %s',
pht('Stored Bytes'),
new PhutilNumber($old_stats['bytes']),
new PhutilNumber($new_stats['bytes'])));
echo tsprintf(
" %s\n",
pht(
'%s: %s -> %s',
pht('Stored Chunks'),
new PhutilNumber($old_stats['chunks']),
new PhutilNumber($new_stats['chunks'])));
echo tsprintf(
" %s\n",
pht(
'%s: %s -> %s',
pht('Data Hash'),
$old_stats['hash'],
$new_stats['hash']));
if ($old_stats['hash'] !== $new_stats['hash']) {
throw new Exception(
pht('Log data hashes differ! Something is tragically wrong!'));
}
}
}

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