[Kimchi-devel] [PATCH 08/16] Move all resources related to storage pools to control/storagepools.py

[Ramon Medeiros]

On 12/23/2013 04:41 PM, Aline Manera wrote:
> From: Aline Manera <alinefm at br.ibm.com>
>
> StoragePools(Collection), StoragePool(Resource) and IsoPool(Resource) were moved
> to a new - control/storagepools.py
> That way we can easily know where storage pool resource is implemented.
>
> Signed-off-by: Aline Manera <alinefm at br.ibm.com>
> ---
>   Makefile.am                        |    1 +
>   src/kimchi/control/storagepools.py |  125 ++++++++++++++++++++++++++++++++++++
>   2 files changed, 126 insertions(+)
>   create mode 100644 src/kimchi/control/storagepools.py
>
> diff --git a/Makefile.am b/Makefile.am
> index a16cd2a..f67af3d 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -47,6 +47,7 @@ PEP8_WHITELIST = \
>   	src/kimchi/server.py \
>   	src/kimchi/control/base.py \
>   	src/kimchi/control/debugreports.py \
> +	src/kimchi/control/storagepools.py \
>   	src/kimchi/control/templates.py \
>   	src/kimchi/control/utils.py \
>   	src/kimchi/control/vms.py \
> diff --git a/src/kimchi/control/storagepools.py b/src/kimchi/control/storagepools.py
> new file mode 100644
> index 0000000..f4fffd7
> --- /dev/null
> +++ b/src/kimchi/control/storagepools.py
> @@ -0,0 +1,125 @@
> +#
> +# Project Kimchi
> +#
> +# Copyright IBM, Corp. 2013
> +#
> +# Authors:
> +#  Adam Litke <agl at linux.vnet.ibm.com>
> +#  Aline Manera <alinefm at linux.vnet.ibm.com>
> +#
> +# This library is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU Lesser General Public
> +# License as published by the Free Software Foundation; either
> +# version 2.1 of the License, or (at your option) any later version.
> +#
> +# This library is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +# Lesser General Public License for more details.
> +#
> +# You should have received a copy of the GNU Lesser General Public
> +# License along with this library; if not, write to the Free Software
> +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
> +
> +import cherrypy
> +
> +
> +from kimchi.control.base import Collection, Resource
> +from kimchi.control.storagevolumes import IsoVolumes, StorageVolumes
> +from kimchi.control.utils import get_class_name, model_fn, parse_request
> +from kimchi.model import ISO_POOL_NAME
> +
> +
> +class StoragePools(Collection):
> +    def __init__(self, model):
> +        super(StoragePools, self).__init__(model)
> +        self.resource = StoragePool
> +        isos = IsoPool(model)
> +        isos.exposed = True
> +        setattr(self, ISO_POOL_NAME, isos)
> +
> +    def create(self, *args):
> +        try:
> +            create = getattr(self.model, model_fn(self, 'create'))
> +        except AttributeError:
> +            raise cherrypy.HTTPError(405,
> +                'Create is not allowed for %s' % get_class_name(self))
> +
> +        params = parse_request()
> +        args = self.model_args + [params]
> +        name = create(*args)
> +        args = self.resource_args + [name]
> +        res = self.resource(self.model, *args)
> +        resp = res.get()
> +
> +        if 'task_id' in res.data:
> +            cherrypy.response.status = 202
> +        else:
> +            cherrypy.response.status = 201
> +
> +        return resp
> +
> +    def _get_resources(self):
> +        try:
> +            res_list = super(StoragePools, self)._get_resources()
> +            # Append reserved pools
> +            isos = getattr(self, ISO_POOL_NAME)
> +            isos.lookup()
> +            res_list.append(isos)
> +        except AttributeError:
> +            pass
> +
> +        return res_list
> +
> +
> +class StoragePool(Resource):
> +    def __init__(self, model, ident):
> +        super(StoragePool, self).__init__(model, ident)
> +        self.update_params = ["autostart"]
> +        self.uri_fmt = "/storagepools/%s"
make /storagepools/%s as a constant.
> +        self.activate = self.generate_action_handler(self, 'activate')
> +        self.deactivate = self.generate_action_handler(self, 'deactivate')
> +
> +    @property
> +    def data(self):
> +        res = {'name': self.ident,
> +               'state': self.info['state'],
> +               'capacity': self.info['capacity'],
> +               'allocated': self.info['allocated'],
> +               'available': self.info['available'],
> +               'path': self.info['path'],
> +               'source': self.info['source'],
> +               'type': self.info['type'],
> +               'nr_volumes': self.info['nr_volumes'],
> +               'autostart': self.info['autostart']}
> +
> +        val = self.info.get('task_id')
> +        if val:
> +            res['task_id'] = val
> +
> +        return res
> +
> +    def _cp_dispatch(self, vpath):
> +        if vpath:
> +            subcollection = vpath.pop(0)
> +            if subcollection == 'storagevolumes':
> +                # incoming text, from URL, is not unicode, need decode
> +                return StorageVolumes(self.model, self.ident.decode("utf-8"))
> +
> +
> +class IsoPool(Resource):
> +    def __init__(self, model):
> +        super(IsoPool, self).__init__(model, ISO_POOL_NAME)
> +
> +    @property
> +    def data(self):
> +        return {'name': self.ident,
> +                'state': self.info['state'],
> +                'type': self.info['type']}
> +
> +    def _cp_dispatch(self, vpath):
> +        if vpath:
> +            subcollection = vpath.pop(0)
> +            if subcollection == 'storagevolumes':
> +                # incoming text, from URL, is not unicode, need decode
> +                return IsoVolumes(self.model, self.ident.decode("utf-8"))


-- 
Ramon Nunes Medeiros
Software Engineer - Linux Technology Center Brazil
IBM Systems & Technology Group
Phone : +55 19 2132 7878
ramonn at br.ibm.com