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Code Issues Releases Wiki Activity

Add a "--database <name> ..." flag to "bin/storage dump"

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Summary: Ref T13671. Allow "bin/storage dump" to dump a subset of databases, primarily to support merging previously-partitioned databases.

Test Plan: Ran `bin/storage dump` with and without `--database ...` flags. Ran `--database invalid`, `--database a --database a` to hit error cases.

Maniphest Tasks: T13671

Differential Revision: https://secure.phabricator.com/D21745
This commit is contained in:
epriestley 2021-12-18 11:04:57 -08:00
parent 6136964093
commit dec95228a2
2 changed files with 72 additions and 0 deletions
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11
src/infrastructure/storage/management/PhabricatorStorageManagementAPI.php
View file

@ -89,6 +89,17 @@ final class PhabricatorStorageManagementAPI extends Phobject {
return $this->namespace.'_'.$fragment;
}
public function getInternalDatabaseName($name) {
$namespace = $this->getNamespace();
$prefix = $namespace.'_';
if (strncmp($name, $prefix, strlen($prefix))) {
return null;
}
return substr($name, strlen($prefix));
}
public function getDisplayName() {
return $this->getRef()->getDisplayName();
}

61
src/infrastructure/storage/management/workflow/PhabricatorStorageManagementDumpWorkflow.php
View file

@ -44,6 +44,16 @@ final class PhabricatorStorageManagementDumpWorkflow
'With __--output__, overwrite the output file if it already '.
'exists.'),
),
array(
'name' => 'database',
'param' => 'database-name',
'help' => pht(
'Dump only tables in the named database (or databases, if '.
'the flag is repeated). Specify database names without the '.
'namespace prefix (that is: use "differential", not '.
'"phabricator_differential").'),
'repeat' => true,
),
));
}
@ -58,6 +68,8 @@ final class PhabricatorStorageManagementDumpWorkflow
$is_noindex = $args->getArg('no-indexes');
$is_replica = $args->getArg('for-replica');
$database_filter = $args->getArg('database');
if ($is_compress) {
if ($output_file === null) {
throw new PhutilArgumentUsageException(
@ -128,11 +140,60 @@ final class PhabricatorStorageManagementDumpWorkflow
$schemata = $actual_map[$ref_key];
$expect = $expect_map[$ref_key];
if ($database_filter) {
$internal_names = array();
$expect_databases = $expect->getDatabases();
foreach ($expect_databases as $expect_database) {
$database_name = $expect_database->getName();
$internal_name = $api->getInternalDatabaseName($database_name);
if ($internal_name !== null) {
$internal_names[$internal_name] = $database_name;
}
}
ksort($internal_names);
$seen = array();
foreach ($database_filter as $filter) {
if (!isset($internal_names[$filter])) {
throw new PhutilArgumentUsageException(
pht(
'Database "%s" is unknown. This script can only dump '.
'databases known to the current version of Phabricator. '.
'Valid databases are: %s.',
$filter,
implode(', ', array_keys($internal_names))));
}
if (isset($seen[$filter])) {
throw new PhutilArgumentUsageException(
pht(
'Database "%s" is specified more than once. Specify each '.
'database at most once.',
$filter));
}
$seen[$filter] = true;
}
$dump_databases = array_select_keys($internal_names, $database_filter);
$dump_databases = array_fuse($dump_databases);
} else {
$dump_databases = array_keys($schemata->getDatabases());
$dump_databases = array_fuse($dump_databases);
}
$with_caches = $is_replica;
$with_indexes = !$is_noindex;
$targets = array();
foreach ($schemata->getDatabases() as $database_name => $database) {
if (!isset($dump_databases[$database_name])) {
continue;
}
$expect_database = $expect->getDatabase($database_name);
foreach ($database->getTables() as $table_name => $table) {