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Add a bin/bulk export CLI tool to make debugging and profiling large exports easier
Summary: Ref T13049. When stuff executes asynchronously on the bulk workflow it can be hard to inspect directly, and/or a pain to test because you have to go through a bunch of steps to run it again. Make future work here easier by making export triggerable from the CLI. This makes it easy to repeat, inspect with `--trace`, profile with `--xprofile`, etc. Test Plan: - Ran several invalid commands, got sensible error messages. - Ran some valid commands, got exported data. - Used `--xprofile` to look at the profile for a 300MB dump of 100K tasks which took about 40 seconds to export. Nothing jumped out as sketchy to me -- CustomField wrangling is a little slow but most of the time looked like it was being spent legitimately. Reviewers: amckinley Reviewed By: amckinley Maniphest Tasks: T13049 Differential Revision: https://secure.phabricator.com/D18965
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2 changed files with 170 additions and 0 deletions
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@ -2226,6 +2226,7 @@ phutil_register_library_map(array(
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'PhabricatorBulkContentSource' => 'infrastructure/daemon/contentsource/PhabricatorBulkContentSource.php',
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'PhabricatorBulkEditGroup' => 'applications/transactions/bulk/PhabricatorBulkEditGroup.php',
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'PhabricatorBulkEngine' => 'applications/transactions/bulk/PhabricatorBulkEngine.php',
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'PhabricatorBulkManagementExportWorkflow' => 'applications/transactions/bulk/management/PhabricatorBulkManagementExportWorkflow.php',
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'PhabricatorBulkManagementMakeSilentWorkflow' => 'applications/transactions/bulk/management/PhabricatorBulkManagementMakeSilentWorkflow.php',
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'PhabricatorBulkManagementWorkflow' => 'applications/transactions/bulk/management/PhabricatorBulkManagementWorkflow.php',
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'PhabricatorCSVExportFormat' => 'infrastructure/export/format/PhabricatorCSVExportFormat.php',
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@ -7579,6 +7580,7 @@ phutil_register_library_map(array(
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'PhabricatorBulkContentSource' => 'PhabricatorContentSource',
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'PhabricatorBulkEditGroup' => 'Phobject',
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'PhabricatorBulkEngine' => 'Phobject',
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'PhabricatorBulkManagementExportWorkflow' => 'PhabricatorBulkManagementWorkflow',
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'PhabricatorBulkManagementMakeSilentWorkflow' => 'PhabricatorBulkManagementWorkflow',
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'PhabricatorBulkManagementWorkflow' => 'PhabricatorManagementWorkflow',
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'PhabricatorCSVExportFormat' => 'PhabricatorExportFormat',
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@ -0,0 +1,168 @@
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<?php
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final class PhabricatorBulkManagementExportWorkflow
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extends PhabricatorBulkManagementWorkflow {
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protected function didConstruct() {
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$this
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->setName('export')
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->setExamples('**export** [options]')
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->setSynopsis(
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pht('Export data to a flat file (JSON, CSV, Excel, etc).'))
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->setArguments(
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array(
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array(
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'name' => 'class',
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'param' => 'class',
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'help' => pht(
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'SearchEngine class to export data from.'),
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),
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array(
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'name' => 'format',
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'param' => 'format',
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'help' => pht('Export format.'),
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),
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array(
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'name' => 'query',
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'param' => 'key',
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'help' => pht(
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'Export the data selected by this query.'),
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),
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array(
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'name' => 'output',
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'param' => 'path',
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'help' => pht(
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'Write output to a file. If omitted, output will be sent to '.
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'stdout.'),
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),
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array(
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'name' => 'overwrite',
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'help' => pht(
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'If the output file already exists, overwrite it instead of '.
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'raising an error.'),
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),
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));
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}
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public function execute(PhutilArgumentParser $args) {
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$viewer = $this->getViewer();
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$class = $args->getArg('class');
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if (!strlen($class)) {
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throw new PhutilArgumentUsageException(
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pht(
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'Specify a search engine class to export data from with '.
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'"--class".'));
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}
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if (!is_subclass_of($class, 'PhabricatorApplicationSearchEngine')) {
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throw new PhutilArgumentUsageException(
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pht(
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'SearchEngine class ("%s") is unknown.',
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$class));
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}
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$engine = newv($class, array())
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->setViewer($viewer);
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if (!$engine->canExport()) {
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throw new PhutilArgumentUsageException(
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pht(
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'SearchEngine class ("%s") does not support data export.',
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$class));
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}
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$query_key = $args->getArg('query');
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if (!strlen($query_key)) {
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throw new PhutilArgumentUsageException(
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pht(
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'Specify a query to export with "--query".'));
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}
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if ($engine->isBuiltinQuery($query_key)) {
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$saved_query = $engine->buildSavedQueryFromBuiltin($query_key);
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} else if ($query_key) {
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$saved_query = id(new PhabricatorSavedQueryQuery())
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->setViewer($viewer)
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->withQueryKeys(array($query_key))
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->executeOne();
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} else {
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$saved_query = null;
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}
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if (!$saved_query) {
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throw new PhutilArgumentUsageException(
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pht(
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'Failed to load saved query ("%s").',
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$query_key));
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}
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$format_key = $args->getArg('format');
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if (!strlen($format_key)) {
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throw new PhutilArgumentUsageException(
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pht(
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'Specify an export format with "--format".'));
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}
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$all_formats = PhabricatorExportFormat::getAllExportFormats();
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$format = idx($all_formats, $format_key);
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if (!$format) {
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throw new PhutilArgumentUsageException(
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pht(
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'Unknown export format ("%s"). Known formats are: %s.',
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$format_key,
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implode(', ', array_keys($all_formats))));
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}
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if (!$format->isExportFormatEnabled()) {
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throw new PhutilArgumentUsageException(
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pht(
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'Export format ("%s") is not enabled.',
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$format_key));
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}
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$is_overwrite = $args->getArg('overwrite');
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$output_path = $args->getArg('output');
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if (!strlen($output_path) && $is_overwrite) {
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throw new PhutilArgumentUsageException(
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pht(
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'Flag "--overwrite" has no effect without "--output".'));
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}
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if (!$is_overwrite) {
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if (Filesystem::pathExists($output_path)) {
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throw new PhutilArgumentUsageException(
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pht(
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'Output path already exists. Use "--overwrite" to overwrite '.
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'it.'));
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}
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}
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$export_engine = id(new PhabricatorExportEngine())
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->setViewer($viewer)
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->setTitle(pht('Export'))
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->setFilename(pht('export'))
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->setSearchEngine($engine)
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->setSavedQuery($saved_query)
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->setExportFormat($format);
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$file = $export_engine->exportFile();
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$iterator = $file->getFileDataIterator();
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if (strlen($output_path)) {
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foreach ($iterator as $chunk) {
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Filesystem::appendFile($output_path, $chunk);
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}
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} else {
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foreach ($iterator as $chunk) {
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echo $chunk;
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}
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}
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return 0;
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}
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}
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