Synnefo » ./kamaki

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# or implied, of GRNET S.A.command

from kamaki.cli import command

from kamaki.clients.astakos import AstakosClient

from kamaki.cli.commands import (

    _command_init, errors, _optional_json, addLogSettings)

from kamaki.cli.command_tree import CommandTree

from kamaki.cli.errors import CLIBaseUrlError, CLIError

user_cmds = CommandTree('user', 'Astakos API commands')

_commands = [user_cmds]

class _user_init(_command_init):

    def _write_main_token(self, token):

        tokens = self.config.get_cloud(self.cloud, 'token').split()

        if token in tokens:

            tokens.remove(token)

        tokens.insert(0, token)

        self.config.set_cloud(self.cloud, 'token', ' '.join(tokens))

        self.config.write()

    @errors.generic.all

    @errors.user.load

    @addLogSettings

    def _run(self):

        if getattr(self, 'cloud', False):

            base_url = self._custom_url('astakos')

            if base_url:

                token = self._custom_token(

                    'astakos') or self.config.get_cloud(self.cloud, 'token')

                token = token.split()[0] if ' ' in token else token

                self.client = AstakosClient(base_url=base_url, token=token)

                return

        else:

            self.cloud = 'default'

        if getattr(self, 'auth_base', False):

            self.client = self.auth_base

            return

        raise CLIBaseUrlError(service='astakos')

    def main(self):

        self._run()

@command(user_cmds)

class user_authenticate(_user_init, _optional_json):

    """Authenticate a user

    Get user information (e.g., unique account name) from token

    Token should be set in settings:

    *  check if a token is set    /config whoami cloud.default.token

    *  permanently set a token    /config set cloud.default.token <token>

    Token can also be provided as a parameter

    (In case of another named cloud, use its name instead of default)

    """

    @errors.generic.all

    @errors.user.authenticate

    def _run(self, custom_token=None):

        token_bu = self.client.token

        try:

            r = self.client.authenticate(custom_token)

            if (token_bu != self.client.token and self.ask_user(

                    'Permanently save token as cloud.%s.token ?' % (

                        self.cloud))):

                self._write_main_token(self.client.token)

        except Exception:

            #recover old token

            self.client.token = token_bu

            raise

        def _print_access(r, out):

            self.print_dict(r['access'], out=out)

        self._print(r, _print_access)

    def main(self, custom_token=None):

        super(self.__class__, self)._run()

        self._run(custom_token)

@command(user_cmds)

class user_list(_user_init, _optional_json):

    """List all authenticated users"""

    @errors.generic.all

    def _run(self, custom_token=None):

        self._print(self.client.list_users())

    def main(self):

        super(self.__class__, self)._run()

        self._run()

@command(user_cmds)

class user_whoami(_user_init, _optional_json):

    """Get current session user information"""

    @errors.generic.all

    def _run(self):

        self._print(self.client.user_info(), self.print_dict)

    def main(self):

        super(self.__class__, self)._run()

        self._run()

@command(user_cmds)

class user_set(_user_init, _optional_json):

    """Set session user by id

    To enrich your options, authenticate more users:

    /user authenticate <other user token>

    To list authenticated users

    /user list

    To get the current session user

    /user whoami

    """

    @errors.generic.all

    def _run(self, uuid):

        for user in self.client.list_users():

            if user.get('id', None) in (uuid,):

                ntoken = user['auth_token']

                if ntoken == self.client.token:

                    self.error('%s (%s) is already the session user' % (

                        self.client.user_term('name'),

                        self.client.user_term('id')))

                    return

                self.client.token = user['auth_token']

                self.error('Session user set to %s (%s)' % (

                        self.client.user_term('name'),

                        self.client.user_term('id')))

                if self.ask_user(

                        'Permanently make %s the main user?' % (

                            self.client.user_term('name'))):

                    self._write_main_token(self.client.token)

                return

        raise CLIError(

            'User with UUID %s not authenticated in current session' % uuid,

            details=[

                'To authenticate a user', '  /user authenticate <t0k3n>'])

    def main(self, uuid):

        super(self.__class__, self)._run()

        self._run(uuid)