/**
* Initialize and set up the transport layer
*
* @param Instance $instance
*
* @return $this
*/
public function connect(Instance $instance)
{
$this->instance = $instance;
$this->token = $this->generateToken([$instance->cluster->cluster_id_text, $instance->instance_id_text]);
$this->resourceUri = Uri::segment([$instance->getProvisionedEndpoint(), $instance->getResourceUri()], false);
return $this;
}
/**
* Registers an instance
*
* @param \DreamFactory\Enterprise\Database\Models\Instance $instance
*
* @return bool|mixed|\stdClass
*/
public function registerInstance(Instance $instance)
{
// Get url and send data
if (null === ($_url = config('license.endpoints.instance'))) {
\Log::warning('[dfe.license] No "instance" license endpoint configured.');
return false;
}
return $this->postData($_url, $instance->toArray());
}
/**
* Initialize and set up the transport layer
*
* @param Instance $instance
* @param string|null $token The token to use instead of automatic one
* @param string|null $header The HTTP header to use instead of DFE one
*
* @return $this
*/
public function connect(Instance $instance, $token = null, $header = null)
{
$this->instance = $instance;
// Note trailing slash added...
$this->resourceUri = rtrim(Uri::segment([$instance->getProvisionedEndpoint(), $instance->getResourceUri()], false), '/') . '/';
// Set up the channel
$this->token = $token ?: $this->generateToken([$instance->cluster->cluster_id_text, $instance->instance_id_text]);
$this->headers = [$header ?: EnterpriseDefaults::CONSOLE_X_HEADER . ': ' . $this->token];
return $this;
}
/**
* Display a listing of the resource.
*
* @return Response
*/
protected function _loadData()
{
$_columns = ['instance_t.id', 'instance_t.instance_id_text', 'cluster_t.cluster_id_text', 'instance_t.create_date', 'user_t.email_addr_text', 'user_t.lmod_date'];
/** @type Builder $_query */
$_query = Instance::join('user_t', 'instance_t.user_id', '=', 'user_t.id')->join('cluster_t', 'instance_t.cluster_id', '=', 'cluster_t.id')->select($_columns);
return $this->processDataRequest('instance_t', Instance::count(), $_columns, $_query);
}
/**
* Get the current status of an instance
*
* @param Instance $instance
*
* @return array
*/
public function status($instance)
{
/** @var Instance $_instance */
if (null === ($_instance = Instance::find($instance->id))) {
return ['success' => false, 'error' => ['code' => 404, 'message' => 'Instance not found.']];
}
return ['success' => true, 'status' => $_instance->state_nbr, 'status_text' => ProvisionStates::prettyNameOf($_instance->state_nbr)];
}
/**
* Tests provision request
*/
public function testProvision()
{
$_instanceId = 'bender';
/** @var Instance $_instance */
if (null !== ($_instance = Instance::byNameOrId($_instanceId)->first())) {
$_instance->delete();
}
$_payload = ['instance-id' => $_instanceId, 'owner-id' => '*****@*****.**', 'guest-location' => GuestLocations::DFE_CLUSTER];
\Artisan::call('dfe:provision', $_payload);
}
/**
* Tests provision request
*/
public function testProvision()
{
$_instanceId = 'dfe-test-case';
$_payload = ['instance-id' => $_instanceId, 'owner-id' => 1, 'guest-location' => GuestLocations::DFE_CLUSTER];
/** @var Instance $_instance */
if (null !== ($_instance = Instance::byNameOrId($_instanceId)->first())) {
$_instance->delete();
}
$_job = new ProvisionJob($_instanceId, $_payload);
$_result = \Queue::push($_job);
}
/**
* Tests provision request
*/
public function testImport()
{
$_instanceId = 'jablan';
$_snapshotId = '20150824141112.jablan';
try {
Instance::byNameOrId($_instanceId)->firstOrFail();
throw new \RuntimeException('The instance "' . $_instanceId . '" already exists.');
} catch (ModelNotFoundException $_ex) {
// Good
}
$_payload = ['instance-id' => $_instanceId, 'snapshot' => $_snapshotId, 'owner-id' => 1, '--owner-type' => OwnerTypes::USER, '--snapshot-id' => true];
$_result = \Artisan::call('dfe:import', $_payload);
}
/**
* @param Instance $instance
* @param string $subject
* @param array $data
*
* @return int The number of recipients mailed
*/
protected function notifyInstanceOwner($instance, $subject, array $data)
{
try {
if (!empty($this->subjectPrefix)) {
$subject = $this->subjectPrefix . ' ' . trim(str_replace($this->subjectPrefix, null, $subject));
}
$data['dashboard_url'] = config('dfe.dashboard-url');
$data['support_email_address'] = config('dfe.support-email-address');
$_result = \Mail::send('emails.generic', $data, function ($message) use($instance, $subject) {
$message->to($instance->user->email_addr_text, $instance->user->first_name_text . ' ' . $instance->user->last_name_text)->subject($subject);
});
$this instanceof Lumberjack && $this->debug('notification sent to "' . $instance->user->email_addr_text . '"');
return $_result;
} catch (\Exception $_ex) {
\Log::error('Error sending notification: ' . $_ex->getMessage());
$_mailPath = storage_path('logs/unsent-mail');
if (!is_dir($_mailPath)) {
mkdir($_mailPath, 0777, true);
}
@file_put_contents(date('YmdHis') . '-' . $instance->user->email_addr_text . '.json', Json::encode(array_merge($data, ['subject' => $subject, 'template' => 'emails.generic', 'instance' => $instance->toArray()])));
return false;
}
}
/**
* Returns an array of the instances assigned to a cluster
*
* @param int|string $clusterId The cluster ID
*
* @return array
*/
public function getInstances($clusterId)
{
$_cluster = $this->_findCluster($clusterId);
$_rows = Instance::byClusterId($_cluster->id)->get(['id', 'instance_name_text']);
$_response = [];
/** @type Instance $_instance */
foreach ($_rows as $_instance) {
$_response[] = ['id' => $_instance->id, 'name' => $_instance->instance_name_text];
}
//$this->debug('found ' . count($_response) . ' instance(s)');
usort($_response, function ($a, $b) {
return strcasecmp($a['name'], $b['name']);
});
return $_response;
}
/**
* Handle the command
*
* @return mixed
*/
public function fire()
{
parent::fire();
$_instanceId = $this->argument('instance-id');
// Check the name here for quicker response...
if (false === ($_instanceName = Instance::isNameAvailable($_instanceId)) || is_numeric($_instanceName[0])) {
$this->error('The name of your instance cannot be "' . $_instanceId . '". It is either currently in-use, or otherwise invalid.');
exit(1);
}
$_ownerType = OwnerTypes::USER;
$_ownerId = $this->argument('owner-id');
$_guestLocation = $this->argument('guest-location');
$_owner = $this->_locateOwner($_ownerId, $_ownerType);
$this->writeln('Provisioning instance <comment>"' . $_instanceId . '"</comment>.');
return \Queue::push(new ProvisionJob($_instanceId, ['guest-location' => $_guestLocation, 'owner-id' => $_owner->id, 'owner-type' => $_ownerType ?: OwnerTypes::USER, 'cluster-id' => $this->option('cluster-id')]));
}
/**
* @param string|Instance $instanceId
*
* @return \DreamFactory\Enterprise\Database\Models\Instance
* @throws \DreamFactory\Enterprise\Database\Exceptions\InstanceNotFoundException
*/
protected function _validateInstance($instanceId)
{
if ($instanceId instanceof Instance) {
return $instanceId;
}
if ($instanceId instanceof InstanceAware) {
return $instanceId->getInstance();
}
if (!is_string($instanceId)) {
throw new InstanceNotFoundException($instanceId);
}
try {
$instanceId = Instance::sanitizeName($instanceId);
return Instance::byNameOrId($instanceId)->firstOrFail();
} catch (\Exception $_ex) {
throw new InstanceNotFoundException($instanceId);
}
}
/**
* Migrates all instances known, or in a cluster
*/
protected function migrateAllInstances()
{
if (null !== ($_clusterId = $this->option('cluster-id'))) {
$_instances = $this->findClusterInstances($_clusterId, ['instance_id_text']);
} else {
$_instances = Instance::orderBy('instance_id_text')->get(['instance_id_text']);
}
$_results = [];
if (!empty($_instances)) {
foreach ($_instances as $_instance) {
$_id = $_instance->instance_id_text;
try {
$_results[$_id] = $this->migrateSingleInstance($_id);
$this->info('* <comment>' . $_id . ':</comment> <info>success</info>');
} catch (\Exception $_ex) {
$_results[$_id] = ['success' => false, 'output' => $_ex->getMessage(), 'exit_code' => $_ex->getCode()];
$this->info('* <comment>' . $_id . ':</comment> <error>failure</error>');
}
}
}
return $_results;
}
/**
* Returns a path where you can write instance-specific temporary data
*
* @param \DreamFactory\Enterprise\Database\Models\Instance $instance
* @param string|null $append Optional appendage to path
*
* @return string
* @throws DiskException
*/
public function getWorkPath(Instance $instance, $append = null)
{
$this->buildStorageMap($instance->user->storage_id_text);
// Try private temp path or default to system temp
if (false === ($_workPath = Disk::path([$instance->getPrivatePath(), 'tmp', $append], true))) {
$_workPath = Disk::path([sys_get_temp_dir(), 'dfe', $instance->instance_id_text, $append], true);
if (!$_workPath) {
throw new DiskException('Unable to locate a suitable temporary directory.');
}
}
return $_workPath;
}
/**
* Creates an export of a instance
*
* @param Instance $instance The instance of the exports
* @param array $exports Array of files to include in the snapshot
* @param Filesystem $destination The destination upon which to place the export. Currently unused
* If null, the instance's snapshot storage area is used.
* @param int $keepDays The number of days to keep the snapshot
*
* @return array|boolean The snapshot metadata array or false on failure.
*/
public function createFromExports(Instance $instance, array $exports, Filesystem $destination = null, $keepDays = EnterpriseDefaults::SNAPSHOT_DAYS_TO_KEEP)
{
// Build our "mise en place", as it were...
$_success = false;
$_stamp = date('YmdHis');
// Create the snapshot ID
$_snapshotId = $_stamp . '.' . Inflector::neutralize($instance->instance_name_text);
$_snapshotName = str_replace('{id}', $_snapshotId, config('snapshot.templates.snapshot-file-name'));
// Set up the temp dir
$this->setWorkPath($instance->getSnapshotPath());
// Create the snapshot archive and stuff it full of goodies
/** @var SnapshotManifest $_manifest */
list($_fsSnapshot, $_manifest, $_routeHash, $_routeLink) = $this->createExportArchive($_snapshotId, $_snapshotName, ['timestamp' => $_stamp, 'guest-location' => $instance->guest_location_nbr, 'instance-id' => $instance->instance_id_text, 'cluster-id' => (int) $instance->cluster_id, 'db-server-id' => (int) $instance->db_server_id, 'web-server-id' => (int) $instance->web_server_id, 'app-server-id' => (int) $instance->app_server_id, 'owner-id' => (int) $instance->user->id, 'owner-email-address' => $instance->user->email_addr_text, 'owner-storage-key' => $instance->user->storage_id_text, 'storage-key' => $instance->storage_id_text], $keepDays);
try {
$this->addFilesToArchive($exports, $_fsSnapshot);
try {
// Write our snapshot manifesto
$_manifest->write();
// Close up the files
/** @noinspection PhpUndefinedMethodInspection */
$this->flushZipArchive($_fsSnapshot);
// Look up the hash entry
if (null === ($_routeHash = RouteHash::byHash($_routeHash)->first())) {
throw new \LogicException('Previously created route hash not found.');
}
// Create our snapshot record
Snapshot::create(['user_id' => $instance->user_id, 'instance_id' => $instance->id, 'route_hash_id' => $_routeHash->id, 'snapshot_id_text' => $_snapshotId, 'public_ind' => true, 'public_url_text' => $_routeLink, 'expire_date' => $_routeHash->expire_date]);
// Copy to $destination if requested
if ($destination) {
if (false === ($_fd = fopen($this->workPath . $_snapshotName, 'r'))) {
throw new FileSystemException('Unable to open export file "' . $this->workPath . $_snapshotName . '".');
}
$destination->putStream($_snapshotName, $_fd);
fclose($_fd);
}
// Let the user know...
$this->notifyInstanceOwner($instance, 'Export successful', ['firstName' => $instance->user->first_name_text, 'headTitle' => 'Export Complete', 'contentHeader' => 'Your export has completed', 'emailBody' => <<<HTML
<p>Your export is complete. It may be downloaded it for up to {$keepDays} days, from the following link:<br/>
<br/>
<strong><a href="{$_routeLink}" target="_blank">{$_routeLink}</a></strong>
</p>
HTML
]);
$_success = true;
} catch (\Exception $_ex) {
$this->error('exception building snapshot archive: ' . $_ex->getMessage());
throw $_ex;
}
} catch (\Exception $_ex) {
$this->error('exception during sub-provisioner export call: ' . $_ex->getMessage());
$this->notifyInstanceOwner($instance, 'Export failure', ['firstName' => $instance->user->first_name_text, 'headTitle' => 'Export Failure', 'contentHeader' => 'Your export was not created', 'emailBody' => <<<HTML
<p>The export requested did not complete properly. Please make sure your instance is up and running, then try again. If the issue persists, please contact support.</p>
HTML
]);
$_success = false;
} finally {
// Cleanup
$_fsSnapshot = null;
}
return $_success ? $_manifest->toArray() : false;
}
/**
* @return array
*/
protected function gatherInstanceStatistics()
{
$_stats = [];
$_lastGuestLocation = null;
/** @type Instance $_instance */
foreach (Instance::all() as $_instance) {
$_stats[$_instance->instance_id_text] = ['uri' => $_instance->getProvisionedEndpoint()];
$_api = InstanceApiClient::connect($_instance);
try {
if (!empty($_resources = $_api->resources())) {
$_list = [];
foreach ($_resources as $_resource) {
if (property_exists($_resource, 'name')) {
try {
if (false !== ($_result = $_api->resource($_resource->name))) {
$_list[$_resource->name] = count($_result);
}
} catch (\Exception $_ex) {
$_list[$_resource->name] = 'unavailable';
}
}
}
$_stats[$_instance->instance_id_text]['resources'] = $_list;
$_stats[$_instance->instance_id_text]['_status'] = ['operational'];
}
} catch (\Exception $_ex) {
// Instance unavailable or not initialized
$_stats[$_instance->instance_id_text]['resources'] = [];
$_stats[$_instance->instance_id_text]['_status'] = ['unreachable'];
}
}
return $_stats;
// The new way
//return $this->telemetry->make('instance')->getTelemetry();
}
/**
* Generates a unique db-name/user/pass for MySQL for an instance
*
* @param Instance $instance
*
* @return array
* @throws SchemaExistsException
*/
protected function generateSchemaCredentials(Instance $instance)
{
$_tries = 0;
$_dbUser = null;
$_dbName = $this->generateDatabaseName($instance);
$_seed = $_dbName . env('APP_KEY') . $instance->instance_name_text;
// Make sure our user name is unique...
while (true) {
$_baseHash = sha1(microtime(true) . $_seed);
$_dbUser = substr('u' . $_baseHash, 0, 16);
if (0 == Instance::where('db_user_text', '=', $_dbUser)->count()) {
$_sql = 'SELECT SCHEMA_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = :schema_name';
// Make sure the database name is unique as well.
/** @noinspection PhpUndefinedMethodInspection */
$_names = DB::select($_sql, [':schema_name' => $_dbName]);
if (!empty($_names)) {
throw new SchemaExistsException('The schema "' . $_dbName . '" already exists.');
}
break;
}
if (++$_tries > 10) {
throw new \LogicException('Unable to locate a non-unique database user name after ' . $_tries . ' attempts.');
}
// Quick snoozy and we try again
usleep(500000);
}
$_creds = ['database' => $_dbName, 'username' => $_dbUser, 'password' => sha1(microtime(true) . $_seed . $_dbUser . microtime(true))];
return $_creds;
}
/**
* @param int|string $instanceId
*
* @return Instance
*/
protected static function _lookupInstance($instanceId)
{
return Instance::byNameOrId($instanceId)->firstOrFail();
}
/**
* Build the 'paths' section of the metadata
*
* @param \DreamFactory\Enterprise\Database\Models\Instance $instance
*
* @return array
*/
protected static function buildPathMetadata(Instance $instance)
{
return ['storage-root' => InstanceStorage::getStorageRootPath(), 'storage-path' => $instance->getStoragePath(), 'private-path' => $instance->getPrivatePath(), 'owner-private-path' => $instance->getOwnerPrivatePath(), 'snapshot-path' => $instance->getSnapshotPath(), 'trash-path' => $instance->getTrashPath()];
}
/**
* Create a new instance record
*
* @param string $instanceName
* @param array $options Array of options for creation. Options are:
*
* owner-id The id of the instance owner
* cluster-id The cluster that owns this instance
* trial If true, the "trial" flagged is set for the instance
*
* @return Instance
* @throws DuplicateInstanceException
* @throws ProvisioningException
*/
public function make($instanceName, $options = [])
{
try {
// Basic checks...
if (null === ($_ownerId = array_get($options, 'owner-id'))) {
throw new \InvalidArgumentException('No "owner-id" given. Cannot create instance.');
}
if (null == ($_ownerType = array_get($options, 'owner-type'))) {
$_ownerType = OwnerTypes::USER;
}
try {
$_owner = OwnerTypes::getOwner($_ownerId, $_ownerType);
} catch (ModelNotFoundException $_ex) {
throw new \InvalidArgumentException('The "owner-id" and/or "owner-type" specified is/are invalid.');
}
//$this->debug('owner validated: ' . $_owner->id . ($_owner->admin_ind ? ' (admin)' : ' (non-admin)'));
if (false === ($_sanitized = Instance::isNameAvailable($instanceName, $_owner->admin_ind))) {
throw new DuplicateInstanceException('The instance name "' . $instanceName . '" is not available.');
}
// Get the proper location
$_guestLocation = array_get($options, 'guest-location', config('provisioning.default-guest-location'));
// Validate the cluster and pull component ids
$_clusterId = array_get($options, 'cluster-id', config('provisioning.default-cluster-id'));
$_clusterConfig = $this->getServersForCluster($_clusterId);
$_ownerId = $_owner->id;
$_attributes = ['user_id' => (int) $_ownerId, 'instance_id_text' => $_sanitized, 'instance_name_text' => $_sanitized, 'guest_location_nbr' => $_guestLocation, 'cluster_id' => (int) $_clusterConfig['cluster-id'], 'db_server_id' => (int) $_clusterConfig['db-server-id'], 'app_server_id' => (int) $_clusterConfig['app-server-id'], 'web_server_id' => (int) $_clusterConfig['web-server-id'], 'state_nbr' => ProvisionStates::CREATED];
$_guestAttributes = ['instance_id' => null, 'vendor_id' => $_guestLocation, 'vendor_image_id' => array_get($options, 'vendor-image-id', config('provisioning.default-vendor-image-id')), 'vendor_credentials_id' => array_get($options, 'vendor-credentials-id', config('provisioning.default-vendor-credentials-id'))];
// Write it out
return \DB::transaction(function () use($_ownerId, $_attributes, $_guestAttributes) {
$_instance = Instance::create($_attributes);
//$this->debug('created instance row id#' . $_instance->id);
$_guestAttributes['instance_id'] = $_instance->id;
$_guest = InstanceGuest::create($_guestAttributes);
//$this->debug('created guest row id#' . $_guest->id);
if (!$_instance || !$_guest) {
throw new \RuntimeException('Instance creation failed');
}
return $_instance;
});
} catch (\Exception $_ex) {
throw new ProvisioningException('Error creating new instance: ' . $_ex->getMessage());
}
}
/**
* Returns all instances managed by $clusterId
*
* @param \DreamFactory\Enterprise\Database\Models\Cluster|int $clusterId
* @param array $columns The columns to retrieve
*
* @return \Illuminate\Support\Collection
*/
protected static function findClusterInstances($clusterId, $columns = ['*'])
{
return Instance::where('cluster_id', static::findCluster($clusterId)->id)->orderBy('instance_id_text')->get($columns);
}
public function index()
{
return $this->renderView('app.instances', ['instances' => Instance::with(['user', 'cluster'])->get()]);
}
/**
* @param string $instanceId
* @param bool $trial
* @param bool $remote If true, create instance on user's account
*
* @return bool|mixed|\stdClass
*/
public function provisionInstance($instanceId, $trial = false, $remote = false)
{
Flasher::forget();
$_provisioner = $this->request->input('_provisioner', GuestLocations::DFE_CLUSTER);
// Check the name here for quicker UI response...
if (false === ($_instanceName = Instance::isNameAvailable($instanceId)) || is_numeric($_instanceName[0])) {
Flasher::setIf('The name of your instance cannot be "' . $instanceId . '". It is either currently in-use, or otherwise invalid.', false);
return ErrorPacket::create(null, Response::HTTP_BAD_REQUEST, 'Invalid instance name.');
}
if (false === ($_clusterConfig = $this->getClusterConfig())) {
Flasher::setIf('The DFE Console is not currently available. Please try your request later.', false);
return ErrorPacket::create(null, Response::HTTP_INTERNAL_SERVER_ERROR, 'Cluster server configuration error.');
}
$_payload = array_merge(['instance-id' => $_instanceName, 'trial' => $trial, 'remote' => $remote, 'ram-size' => $this->request->input('ram-size'), 'disk-size' => $this->request->input('disk-size'), 'vendor-id' => $this->request->input('vendor-id'), 'vendor-secret' => $this->request->input('vendor-secret'), 'owner-id' => \Auth::id(), 'owner-type' => OwnerTypes::USER, 'guest-location' => $_provisioner], $_clusterConfig);
$_result = $this->callConsole('provision', $_payload);
if ($_result && is_object($_result) && isset($_result->success)) {
if ($_result->success) {
Flasher::setIf('Instance provisioning requested successfully.');
} else {
if (isset($_result->error)) {
$_message = isset($_result->error->message) ? $_result->error->message : 'Unknown error';
} else {
$_message = 'Unknown server error';
}
Flasher::setIf($_message, false);
return ErrorPacket::create(null, Response::HTTP_INTERNAL_SERVER_ERROR, 'Provisioning error.');
}
} else {
Flasher::setIf('The DFE Console is not currently available. Please try your request later.', false);
$this->error('Error calling ops console api: ' . print_r($_result, true));
return ErrorPacket::create(null, Response::HTTP_INTERNAL_SERVER_ERROR, 'Cannot connect to ops console.');
}
return SuccessPacket::create($_result);
}
/**
* @param Instance $instance
*
* @return array
*/
protected function getStoredData(Instance $instance)
{
// Get our database connection...
$_db = $instance->instanceConnection($instance);
// Get a table list...
$_tables = $_db->getDoctrineConnection()->getSchemaManager()->listTables();
$_data = [];
foreach ($_tables as $_table) {
$_tableName = $_table->getName();
// Get the columns
$_columns = [];
foreach ($_table->getColumns() as $_column) {
$_array = $_column->toArray();
$_array['type'] = (string) $_array['type'];
$_columns[] = $_array;
}
$_data[$_tableName] = ['schema' => $_columns, 'data' => $_db->select('SELECT * FROM ' . $_tableName)];
}
return $_data;
}
