104 lines
2.9 KiB
Python
104 lines
2.9 KiB
Python
""" Superuser Config API. """
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import logging
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import os
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import signal
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import subprocess
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from flask import abort
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from app import app, config_provider
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from auth.permissions import SuperUserPermission
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from endpoints.api.suconfig_models_pre_oci import pre_oci_model as model
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from endpoints.api import (ApiResource, nickname, resource, internal_only, show_if, verify_not_prod)
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import features
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logger = logging.getLogger(__name__)
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def database_is_valid():
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""" Returns whether the database, as configured, is valid. """
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if app.config['TESTING']:
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return False
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return model.is_valid()
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def database_has_users():
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""" Returns whether the database has any users defined. """
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return model.has_users()
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@resource('/v1/superuser/registrystatus')
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@internal_only
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@show_if(features.SUPER_USERS)
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class SuperUserRegistryStatus(ApiResource):
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""" Resource for determining the status of the registry, such as if config exists,
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if a database is configured, and if it has any defined users.
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"""
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@nickname('scRegistryStatus')
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@verify_not_prod
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def get(self):
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""" Returns the status of the registry. """
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# If we have SETUP_COMPLETE, then we're ready to go!
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if app.config.get('SETUP_COMPLETE', False):
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return {
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'provider_id': config_provider.provider_id,
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'status': 'ready'
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}
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return {
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'status': 'setup-incomplete'
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}
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class _AlembicLogHandler(logging.Handler):
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def __init__(self):
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super(_AlembicLogHandler, self).__init__()
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self.records = []
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def emit(self, record):
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self.records.append({
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'level': record.levelname,
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'message': record.getMessage()
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})
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# From: https://stackoverflow.com/a/44712205
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def get_process_id(name):
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"""Return process ids found by (partial) name or regex.
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>>> get_process_id('kthreadd')
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[2]
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>>> get_process_id('watchdog')
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[10, 11, 16, 21, 26, 31, 36, 41, 46, 51, 56, 61] # ymmv
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>>> get_process_id('non-existent process')
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[]
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"""
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child = subprocess.Popen(['pgrep', name], stdout=subprocess.PIPE, shell=False)
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response = child.communicate()[0]
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return [int(pid) for pid in response.split()]
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@resource('/v1/superuser/shutdown')
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@internal_only
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@show_if(features.SUPER_USERS)
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class SuperUserShutdown(ApiResource):
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""" Resource for sending a shutdown signal to the container. """
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@verify_not_prod
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@nickname('scShutdownContainer')
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def post(self):
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""" Sends a signal to the phusion init system to shut down the container. """
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# Note: This method is called to set the database configuration before super users exists,
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# so we also allow it to be called if there is no valid registry configuration setup.
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if app.config['TESTING'] or not database_has_users() or SuperUserPermission().can():
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# Note: We skip if debugging locally.
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if app.config.get('DEBUGGING') == True:
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return {}
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os.kill(get_process_id('my_init')[0], signal.SIGINT)
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return {}
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abort(403)
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