private function executeRefChecks(PhabricatorDatabaseRef $ref)
{
$conn_raw = $ref->newManagementConnection();
$ref_key = $ref->getRefKey();
$engines = queryfx_all($conn_raw, 'SHOW ENGINES');
$engines = ipull($engines, 'Support', 'Engine');
$innodb = idx($engines, 'InnoDB');
if ($innodb != 'YES' && $innodb != 'DEFAULT') {
$message = pht('The "InnoDB" engine is not available in MySQL (on host "%s"). ' . 'Enable InnoDB in your MySQL configuration.' . "\n\n" . '(If you aleady created tables, MySQL incorrectly used some other ' . 'engine to create them. You need to convert them or drop and ' . 'reinitialize them.)', $ref_key);
$this->newIssue('mysql.innodb')->setName(pht('MySQL InnoDB Engine Not Available'))->setMessage($message)->setIsFatal(true);
return true;
}
$namespace = PhabricatorEnv::getEnvConfig('storage.default-namespace');
$databases = queryfx_all($conn_raw, 'SHOW DATABASES');
$databases = ipull($databases, 'Database', 'Database');
if (empty($databases[$namespace . '_meta_data'])) {
$message = pht('Run the storage upgrade script to setup databases (host "%s" has ' . 'not been initialized).', $ref_key);
$this->newIssue('storage.upgrade')->setName(pht('Setup MySQL Schema'))->setMessage($message)->setIsFatal(true)->addCommand(hsprintf('<tt>phabricator/ $</tt> ./bin/storage upgrade'));
return true;
}
$conn_meta = $ref->newApplicationConnection($namespace . '_meta_data');
$applied = queryfx_all($conn_meta, 'SELECT patch FROM patch_status');
$applied = ipull($applied, 'patch', 'patch');
$all = PhabricatorSQLPatchList::buildAllPatches();
$diff = array_diff_key($all, $applied);
if ($diff) {
$message = pht('Run the storage upgrade script to upgrade databases (host "%s" is ' . 'out of date). Missing patches: %s.', $ref_key, implode(', ', array_keys($diff)));
$this->newIssue('storage.patch')->setName(pht('Upgrade MySQL Schema'))->setIsFatal(true)->setMessage($message)->addCommand(hsprintf('<tt>phabricator/ $</tt> ./bin/storage upgrade'));
return true;
}
// NOTE: It's possible that replication is broken but we have not been
// granted permission to "SHOW SLAVE STATUS" so we can't figure it out.
// We allow this kind of configuration and survive these checks, trusting
// that operations knows what they're doing. This issue is shown on the
// "Database Servers" console.
switch ($ref->getReplicaStatus()) {
case PhabricatorDatabaseRef::REPLICATION_MASTER_REPLICA:
$message = pht('Database host "%s" is configured as a master, but is replicating ' . 'another host. This is dangerous and can mangle or destroy data. ' . 'Only replicas should be replicating. Stop replication on the ' . 'host or reconfigure Phabricator.', $ref->getRefKey());
$this->newIssue('db.master.replicating')->setName(pht('Replicating Master'))->setIsFatal(true)->setMessage($message);
return true;
case PhabricatorDatabaseRef::REPLICATION_REPLICA_NONE:
case PhabricatorDatabaseRef::REPLICATION_NOT_REPLICATING:
if (!$ref->getIsMaster()) {
$message = pht('Database replica "%s" is listed as a replica, but is not ' . 'currently replicating. You are vulnerable to data loss if ' . 'the master fails.', $ref->getRefKey());
// This isn't a fatal because it can normally only put data at risk,
// not actually do anything destructive or unrecoverable.
$this->newIssue('db.replica.not-replicating')->setName(pht('Nonreplicating Replica'))->setMessage($message);
}
break;
}
// If we have more than one master, we require that the cluster database
// configuration written to each database node is exactly the same as the
// one we are running with.
$masters = PhabricatorDatabaseRef::getAllMasterDatabaseRefs();
if (count($masters) > 1) {
$state_actual = queryfx_one($conn_meta, 'SELECT stateValue FROM %T WHERE stateKey = %s', PhabricatorStorageManagementAPI::TABLE_HOSTSTATE, 'cluster.databases');
if ($state_actual) {
$state_actual = $state_actual['stateValue'];
}
$state_expect = $ref->getPartitionStateForCommit();
if ($state_expect !== $state_actual) {
$message = pht('Database host "%s" has a configured cluster state which disagrees ' . 'with the state on this host ("%s"). Run `bin/storage partition` ' . 'to commit local state to the cluster. This host may have started ' . 'with an out-of-date configuration.', $ref->getRefKey(), php_uname('n'));
$this->newIssue('db.state.desync')->setName(pht('Cluster Configuration Out of Sync'))->setMessage($message)->setIsFatal(true);
return true;
}
}
}