Improve create_db.py

This commit is contained in:
Jirayut 'Dear' Nimsaeng 2016-07-05 20:04:13 +07:00
parent cd4507f47d
commit c2a1c63dc8

View File

@ -8,47 +8,71 @@ import os.path
import time
import sys
# Create schema
if os.environ.get('WAITFOR_DB') is None:
db.create_all()
else:
for i in range(0, int(os.environ.get('WAITFOR_DB'))):
try:
db.create_all()
break
except:
print("INFO: Wait for database server")
sys.stdout.flush()
time.sleep(1)
continue
def start():
wait_time = get_waittime_from_env()
if not connect_db(wait_time):
print("ERROR: Couldn't connect to database server")
exit(1)
# create initial user roles and turn off maintenance mode
admin_role = Role('Administrator', 'Administrator')
user_role = Role('User', 'User')
maintenance_setting = Setting('maintenance', 'False')
fullscreen_layout_setting = Setting('fullscreen_layout', 'True')
record_helper_setting = Setting('record_helper', 'True')
default_table_size_setting = Setting('default_record_table_size', '15')
init_records()
# Check if record already exists
if not db.session.query(Role).filter_by(name="Administrator").first():
db.session.add(admin_role)
if not db.session.query(Role).filter_by(name="User").first():
db.session.add(user_role)
if not db.session.query(Setting).filter_by(name="maintenance").first():
db.session.add(maintenance_setting)
if not db.session.query(Setting).filter_by(name="fullscreen_layout").first():
db.session.add(fullscreen_layout_setting)
if not db.session.query(Setting).filter_by(name="record_helper").first():
db.session.add(record_helper_setting)
if not db.session.query(Setting).filter_by(name="default_record_table_size").first():
db.session.add(default_table_size_setting)
db_commit = db.session.commit()
def get_waittime_from_env():
return int(os.environ.get('WAITFOR_DB', 1))
if not os.path.exists(SQLALCHEMY_MIGRATE_REPO):
api.create(SQLALCHEMY_MIGRATE_REPO, 'database repository')
api.version_control(SQLALCHEMY_DATABASE_URI, SQLALCHEMY_MIGRATE_REPO)
elif db_commit is not None:
api.version_control(SQLALCHEMY_DATABASE_URI, SQLALCHEMY_MIGRATE_REPO, api.version(SQLALCHEMY_MIGRATE_REPO))
def connect_db(wait_time):
for i in xrange(0, wait_time):
print("INFO: Wait for database server")
sys.stdout.flush()
try:
db.create_all()
return True
except:
time.sleep(1)
return False
def init_roles(db, role_names):
name_of_roles = map(lambda r: r.name, role_names)
rows = db.session.query(Role).filter(Role.name.in_(name_of_roles)).all()
name_of_rows = map(lambda r: r.name, rows)
roles = filter(lambda r: r.name not in rows, role_names)
for role in roles:
db.session.add(role)
def init_settings(db, setting_names):
name_of_settings = map(lambda r: r.name, setting_names)
rows = db.session.query(Setting).filter(Setting.name.in_(name_of_settings)).all()
name_of_rows = map(lambda r: r.name, rows)
settings = filter(lambda r: r.name not in rows, setting_names)
for setting in settings:
db.session.add(setting)
def init_records():
# create initial user roles and turn off maintenance mode
admin_role = Role('Administrator', 'Administrator')
user_role = Role('User', 'User')
maintenance_setting = Setting('maintenance', 'False')
fullscreen_layout_setting = Setting('fullscreen_layout', 'True')
record_helper_setting = Setting('record_helper', 'True')
default_table_size_setting = Setting('default_record_table_size', '15')
# Check if record already exists
init_roles(db, [admin_role, user_role])
init_settings(db, [maintenance_setting, fullscreen_layout_setting, record_helper_setting, default_table_size_setting])
db_commit = db.session.commit()
commit_version_control(db_commit)
def commit_version_control(db_commit):
if not os.path.exists(SQLALCHEMY_MIGRATE_REPO):
api.create(SQLALCHEMY_MIGRATE_REPO, 'database repository')
api.version_control(SQLALCHEMY_DATABASE_URI, SQLALCHEMY_MIGRATE_REPO)
elif db_commit is not None:
api.version_control(SQLALCHEMY_DATABASE_URI, SQLALCHEMY_MIGRATE_REPO, api.version(SQLALCHEMY_MIGRATE_REPO))
if __name__ == '__main__':
start()