chainqueue

Blockchain transaction queue control
Log | Files | Refs | LICENSE

commit 3814a3613b3a977a06bb06385fb0f9934942b600
parent 18412cfd4161b0aeedecfe0dda034b26689cd1f3
Author: nolash <dev@holbrook.no>
Date:   Thu,  3 Jun 2021 10:17:02 +0200

implement data path for database

Diffstat:
Mchainqueue/runnable/server.py | 24+++++++++++++++++++++---
Mscripts/migrate.py | 49++++++++++++++++++++++++++++++++++---------------
2 files changed, 55 insertions(+), 18 deletions(-)

diff --git a/chainqueue/runnable/server.py b/chainqueue/runnable/server.py @@ -12,8 +12,9 @@ import uuid # external imports import confini from xdg.BaseDirectory import ( - load_first_config, + xdg_data_dirs, get_runtime_dir, + load_first_config, ) from hexathon import strip_0x from chainlib.chain import ChainSpec @@ -30,13 +31,15 @@ logg = logging.getLogger() default_config_dir = load_first_config('chainqueue') config_dir = os.environ.get('CONFINI_DIR', default_config_dir) -runtime_dir = os.path.join(get_runtime_dir(), 'chainqueue') +default_runtime_dir = os.path.join(get_runtime_dir(), 'chainqueue') +default_data_dir = os.path.join(xdg_data_dirs[0], 'chainqueue') argparser = argparse.ArgumentParser('chainqueue transaction submission and trigger server') argparser.add_argument('-c', '--config', dest='c', type=str, default=config_dir, help='configuration directory') argparser.add_argument('-p', type=str, help='rpc endpoint') argparser.add_argument('-i', type=str, help='chain spec') -argparser.add_argument('--runtime-dir', dest='runtime_dir', type=str, default=runtime_dir, help='runtime directory') +argparser.add_argument('--runtime-dir', dest='runtime_dir', type=str, default=default_runtime_dir, help='runtime directory') +argparser.add_argument('--data-dir', dest='data_dir', type=str, default=default_data_dir, help='data directory') argparser.add_argument('--session-id', dest='session_id', type=str, default=str(uuid.uuid4()), help='session id to use for session') argparser.add_argument('-v', action='store_true', help='be verbose') argparser.add_argument('-vv', action='store_true', help='be very verbose') @@ -47,12 +50,14 @@ if args.vv: elif args.v: logg.setLevel(logging.INFO) +# process config config = confini.Config(args.c) config.process() args_override = { 'SESSION_RUNTIME_DIR': getattr(args, 'runtime_dir'), 'SESSION_CHAIN_SPEC': getattr(args, 'i'), 'RPC_ENDPOINT': getattr(args, 'p'), + 'PATH_DATA': getattr(args, 'data_dir'), } config.dict_override(args_override, 'cli args') config.add(getattr(args, 'session_id'), '_SESSION_ID', True) @@ -60,9 +65,22 @@ config.add(getattr(args, 'session_id'), '_SESSION_ID', True) if not config.get('SESSION_SOCKET_PATH'): socket_path = os.path.join(config.get('SESSION_RUNTIME_DIR'), config.get('_SESSION_ID'), 'chainqueue.sock') config.add(socket_path, 'SESSION_SOCKET_PATH', True) + +if config.get('DATABASE_ENGINE') == 'sqlite': + config.add(os.path.join(config.get('PATH_DATA'), config.get('DATABASE_NAME')), 'DATABASE_NAME', True) + + logg.debug('config loaded:\n{}'.format(config)) +# verify setup +try: + os.stat(config.get('DATABASE_NAME')) +except FileNotFoundError: + sys.stderr.write('database file {} not found. please run database migration script first'.format(config.get('DATABASE_NAME'))) + sys.exit(1) + + class SessionController: def __init__(self, config): diff --git a/scripts/migrate.py b/scripts/migrate.py @@ -8,6 +8,7 @@ import alembic from alembic.config import Config as AlembicConfig import confini from xdg.BaseDirectory import ( + xdg_data_dirs, load_first_config, ) @@ -17,10 +18,10 @@ from chainqueue.db import dsn_from_config logging.basicConfig(level=logging.WARNING) logg = logging.getLogger() -# BUG: the dbdir doesn't work after script install rootdir = os.path.dirname(os.path.dirname(os.path.realpath(__file__))) dbdir = os.path.join(rootdir, 'chainqueue', 'db') -migrationsdir = os.path.join(dbdir, 'migrations') +default_migrations_dir = os.path.join(dbdir, 'migrations') +default_data_dir = os.path.join(xdg_data_dirs[0], 'chainqueue') default_config_dir = load_first_config('chainqueue') config_dir = os.environ.get('CONFINI_DIR', default_config_dir) @@ -28,7 +29,9 @@ config_dir = os.environ.get('CONFINI_DIR', default_config_dir) argparser = argparse.ArgumentParser() argparser.add_argument('-c', type=str, default=config_dir, help='config file') argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration') -argparser.add_argument('--migrations-dir', dest='migrations_dir', default=migrationsdir, type=str, help='path to alembic migrations directory') +argparser.add_argument('--data-dir', dest='data_dir', type=str, default=default_data_dir, help='data directory') +argparser.add_argument('--migrations-dir', dest='migrations_dir', default=default_migrations_dir, type=str, help='path to alembic migrations directory') +argparser.add_argument('--reset', action='store_true', help='reset exsting database') argparser.add_argument('-v', action='store_true', help='be verbose') argparser.add_argument('-vv', action='store_true', help='be more verbose') args = argparser.parse_args() @@ -38,25 +41,41 @@ if args.vv: elif args.v: logging.getLogger().setLevel(logging.INFO) +# process config config = confini.Config(args.c, args.env_prefix) config.process() +args_override = { + 'PATH_DATA': getattr(args, 'data_dir'), + } +config.dict_override(args_override, 'cli args') + +if config.get('DATABASE_ENGINE') == 'sqlite': + config.add(os.path.join(config.get('PATH_DATA'), config.get('DATABASE_NAME')), 'DATABASE_NAME', True) + config.censor('PASSWORD', 'DATABASE') -config.censor('PASSWORD', 'SSL') -logg.debug('config:\n{}'.format(config)) -migrations_dir = os.path.join(args.migrations_dir, config.get('DATABASE_ENGINE')) -if not os.path.isdir(migrations_dir): +config.add(os.path.join(args.migrations_dir, config.get('DATABASE_ENGINE')), '_MIGRATIONS_DIR', True) +if not os.path.isdir(config.get('_MIGRATIONS_DIR')): logg.debug('migrations dir for engine {} not found, reverting to default'.format(config.get('DATABASE_ENGINE'))) - migrations_dir = os.path.join(args.migrations_dir, 'default') + config.add(os.path.join(args.migrations_dir, 'default'), '_MIGRATIONS_DIR', True) +logg.debug('config loaded:\n{}'.format(config)) + +os.makedirs(config.get('PATH_DATA'), exist_ok=True) -# connect to database dsn = dsn_from_config(config) +def main(): + logg.info('using migrations dir {}'.format(config.get('_MIGRATIONS_DIR'))) + logg.info('using db {}'.format(dsn)) + ac = AlembicConfig(os.path.join(config.get('_MIGRATIONS_DIR'), 'alembic.ini')) + ac.set_main_option('sqlalchemy.url', dsn) + ac.set_main_option('script_location', config.get('_MIGRATIONS_DIR')) + + if args.reset: + logg.debug('reset is set, purging existing content') + alembic.command.downgrade(ac, 'base') -logg.info('using migrations dir {}'.format(migrations_dir)) -logg.info('using db {}'.format(dsn)) -ac = AlembicConfig(os.path.join(migrations_dir, 'alembic.ini')) -ac.set_main_option('sqlalchemy.url', dsn) -ac.set_main_option('script_location', migrations_dir) + alembic.command.upgrade(ac, 'head') -alembic.command.upgrade(ac, 'head') +if __name__ == '__main__': + main()