import logging
from flask import abort, request
from config_app.config_endpoints.api.suconfig_models_pre_oci import pre_oci_model as model
from config_app.config_endpoints.api import resource, ApiResource, nickname, validate_json_request
from config_app.c_app import (app, config_provider, superusers, ip_resolver,
instance_keys, INIT_SCRIPTS_LOCATION)
from data.database import configure
from data.runmigration import run_alembic_migration
from util.config.configutil import add_enterprise_config_defaults
from util.config.validator import validate_service_for_config, ValidatorContext, \
is_valid_config_upload_filename
logger = logging.getLogger(__name__)
def database_is_valid():
""" Returns whether the database, as configured, is valid. """
return model.is_valid()
def database_has_users():
""" Returns whether the database has any users defined. """
return model.has_users()
@resource('/v1/superuser/config')
class SuperUserConfig(ApiResource):
""" Resource for fetching and updating the current configuration, if any. """
schemas = {
'UpdateConfig': {
'type': 'object',
'description': 'Updates the YAML config file',
'required': [
'config',
'hostname'
],
'properties': {
'config': {
'type': 'object'
},
'hostname': {
'type': 'string'
},
'password': {
'type': 'string'
},
},
},
}
@nickname('scGetConfig')
def get(self):
""" Returns the currently defined configuration, if any. """
config_object = config_provider.get_config()
return {
'config': config_object
}
@nickname('scUpdateConfig')
@validate_json_request('UpdateConfig')
def put(self):
""" Updates the config override file. """
# Note: This method is called to set the database configuration before super users exists,
# so we also allow it to be called if there is no valid registry configuration setup.
config_object = request.get_json()['config']
hostname = request.get_json()['hostname']
# Add any enterprise defaults missing from the config.
add_enterprise_config_defaults(config_object, app.config['SECRET_KEY'], hostname)
# Write the configuration changes to the config override file.
config_provider.save_config(config_object)
return {
'exists': True,
'config': config_object
}
@resource('/v1/superuser/registrystatus')
class SuperUserRegistryStatus(ApiResource):
""" Resource for determining the status of the registry, such as if config exists,
if a database is configured, and if it has any defined users.
"""
@nickname('scRegistryStatus')
def get(self):
""" Returns the status of the registry. """
# If there is no config file, we need to setup the database.
if not config_provider.config_exists():
return {
'status': 'config-db'
}
# If the database isn't yet valid, then we need to set it up.
if not database_is_valid():
return {
'status': 'setup-db'
}
return {
'status': 'create-superuser' if not database_has_users() else 'config'
}
class _AlembicLogHandler(logging.Handler):
def __init__(self):
super(_AlembicLogHandler, self).__init__()
self.records = []
def emit(self, record):
self.records.append({
'level': record.levelname,
'message': record.getMessage()
})
@resource('/v1/superuser/setupdb')
class SuperUserSetupDatabase(ApiResource):
""" Resource for invoking alembic to setup the database. """
@nickname('scSetupDatabase')
def get(self):
""" Invokes the alembic upgrade process. """
# Note: This method is called after the database configured is saved, but before the
# database has any tables. Therefore, we only allow it to be run in that unique case.
if config_provider.config_exists() and not database_is_valid():
# Note: We need to reconfigure the database here as the config has changed.
combined = dict(**app.config)
combined.update(config_provider.get_config())
configure(combined)
app.config['DB_URI'] = combined['DB_URI']
db_uri = app.config['DB_URI']
log_handler = _AlembicLogHandler()
try:
run_alembic_migration(db_uri, log_handler, setup_app=False)
except Exception as ex:
return {
'error': str(ex)
}
return {
'logs': log_handler.records
}
abort(403)
@resource('/v1/superuser/config/createsuperuser')
class SuperUserCreateInitialSuperUser(ApiResource):
""" Resource for creating the initial super user. """
schemas = {
'CreateSuperUser': {
'type': 'object',
'description': 'Information for creating the initial super user',
'required': [
'username',
'password',
'email'
],
'properties': {
'username': {
'type': 'string',
'description': 'The username for the superuser'
},
'password': {
'type': 'string',
'description': 'The password for the superuser'
},
'email': {
'type': 'string',
'description': 'The e-mail address for the superuser'
},
},
},
}
@nickname('scCreateInitialSuperuser')
@validate_json_request('CreateSuperUser')
def post(self):
""" Creates the initial super user, updates the underlying configuration and
sets the current session to have that super user. """
# Special security check: This method is only accessible when:
# - There is a valid config YAML file.
# - There are currently no users in the database (clean install)
#
# We do this special security check because at the point this method is called, the database
# is clean but does not (yet) have any super users for our permissions code to check against.
if config_provider.config_exists() and not database_has_users():
data = request.get_json()
username = data['username']
password = data['password']
email = data['email']
# Create the user in the database.
superuser_uuid = model.create_superuser(username, password, email)
# Add the user to the config.
config_object = config_provider.get_config()
config_object['SUPER_USERS'] = [username]
config_provider.save_config(config_object)
# Update the in-memory config for the new superuser.
# TODO(config): do we need to register a list of the superusers? If so, we can take out the entire superuser in c_app
superusers.register_superuser(username)
# Conduct login with that user.
# TODO(config): figure out if we need validation for checking logged in user stuff
# common_login(superuser_uuid)
return {
'status': True
}
abort(403)
@resource('/v1/superuser/config/validate/<service>')
class SuperUserConfigValidate(ApiResource):
""" Resource for validating a block of configuration against an external service. """
schemas = {
'ValidateConfig': {
'type': 'object',
'description': 'Validates configuration',
'required': [
'config'
],
'properties': {
'config': {
'type': 'object'
},
'password': {
'type': 'string',
'description': 'The users password, used for auth validation'
}
},
},
}
@nickname('scValidateConfig')
@validate_json_request('ValidateConfig')
def post(self, service):
""" Validates the given config for the given service. """
# Note: This method is called to validate the database configuration before super users exists,
# so we also allow it to be called if there is no valid registry configuration setup. Note that
# this is also safe since this method does not access any information not given in the request.
config = request.get_json()['config']
validator_context = ValidatorContext.from_app(app, config,
request.get_json().get('password', ''),
instance_keys=instance_keys,
ip_resolver=ip_resolver,
config_provider=config_provider,
init_scripts_location=INIT_SCRIPTS_LOCATION)
return validate_service_for_config(service, validator_context)
@resource('/v1/superuser/config/file/<filename>')
class SuperUserConfigFile(ApiResource):
""" Resource for fetching the status of config files and overriding them. """
@nickname('scConfigFileExists')
def get(self, filename):
""" Returns whether the configuration file with the given name exists. """
if not is_valid_config_upload_filename(filename):
abort(404)
return {
'exists': config_provider.volume_file_exists(filename)
}
@nickname('scUpdateConfigFile')
def post(self, filename):
""" Updates the configuration file with the given name. """
if not is_valid_config_upload_filename(filename):
abort(404)
# Note: This method can be called before the configuration exists
# to upload the database SSL cert.
uploaded_file = request.files['file']
if not uploaded_file:
abort(400)
config_provider.save_volume_file(filename, uploaded_file)
return {
'status': True
}