[Kimchi-devel] [PATCH] [Kimchi 1/2] Enhancement to /plugins/kimchi/interfaces

Aline Manera alinefm at linux.vnet.ibm.com
Wed Aug 31 21:00:30 UTC 2016


Hi Archana and Surash!

Thanks for the explanation! I got it now. =)

Regards,
Aline Manera

On 08/31/2016 02:31 AM, Suresh Babu Angadi wrote:
>
>
> On 08/30/2016 11:42 PM, Archana Singh wrote:
>> Hi Aline,
>>
>> Please find my understanding inline.
>>
>> Thanks,
>>
>> Archana Singh
>>
>>
>> On 08/30/2016 10:26 PM, Aline Manera wrote:
>>>
>>>
>>> On 08/30/2016 07:20 AM, sureshab at linux.vnet.ibm.com wrote:
>>>> From: Suresh Babu Angadi <sureshab at in.ibm.com>
>>>>
>>>> Per RFC: [Kimchi-devel] [RFC] changes to /plugins/kimchi/interfaces
>>>>
>>>> * this patch includes backend changes to add '_inuse' filter
>>>> * Updated API.md to include '_inuse' filter for /interfaces Collection
>>>> * modified api call to plugins/kimchi/interfaces?_inuse=false in
>>>>    kimchi.api.js, since unused interfaces are used to create 
>>>> virtual network
>>>>
>>>> Signed-off-by: Suresh Babu Angadi <sureshab at in.ibm.com>
>>>> ---
>>>>   docs/API.md             |  3 +++
>>>>   i18n.py                 |  1 +
>>>>   model/interfaces.py     | 20 ++++++++++++++++----
>>>>   ui/js/src/kimchi.api.js |  2 +-
>>>>   4 files changed, 21 insertions(+), 5 deletions(-)
>>>>
>>>> diff --git a/docs/API.md b/docs/API.md
>>>> index 7bd677f..357c2b8 100644
>>>> --- a/docs/API.md
>>>> +++ b/docs/API.md
>>>> @@ -656,6 +656,9 @@ A interface represents available network 
>>>> interface on VM.
>>>>   **Methods:**
>>>>
>>>>   * **GET**: Retrieve a summarized list of current Interfaces
>>>> +    * Parameters: _inuse:  Filter interfaces list with 
>>>> availability. Currently supports true | false.
>>>> +                'true' option lists interfaces used by virtual 
>>>> networks,'false' option lists all
>>>> +                interfaces which are not currently in use by 
>>>> virtual networks.
>>>>
>>>>   ### Resource: Interface
>>>>
>>>> diff --git a/i18n.py b/i18n.py
>>>> index e8d9c05..aee6ead 100644
>>>> --- a/i18n.py
>>>> +++ b/i18n.py
>>>> @@ -257,6 +257,7 @@ messages = {
>>>>       "KCHVOL0029E": _("Unable to upload chunk data to storage 
>>>> volume. Details: %(err)s."),
>>>>
>>>>       "KCHIFACE0001E": _("Interface %(name)s does not exist"),
>>>> +    "KCHIFACE0002E": _("Failed to list interfaces. Invalid _inuse 
>>>> parameter. Supported options for _inuse are: %(supported_inuse)s"),
>>>>
>>>>       "KCHNET0001E": _("Network %(name)s already exists"),
>>>>       "KCHNET0002E": _("Network %(name)s does not exist"),
>>>> diff --git a/model/interfaces.py b/model/interfaces.py
>>>> index 2d74fd4..6be4356 100644
>>>> --- a/model/interfaces.py
>>>> +++ b/model/interfaces.py
>>>> @@ -17,10 +17,11 @@
>>>>   # License along with this library; if not, write to the Free 
>>>> Software
>>>>   # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  
>>>> 02110-1301 USA
>>>>
>>>> -from wok.exception import NotFoundError
>>>> +from wok.exception import InvalidParameter, NotFoundError
>>>>
>>>>   from wok.plugins.gingerbase import netinfo
>>>>   from wok.plugins.kimchi.model.networks import NetworksModel
>>>> +from wok.utils import wok_log
>>>>
>>>>
>>>>   class InterfacesModel(object):
>>>> @@ -28,9 +29,20 @@ class InterfacesModel(object):
>>>>           self.conn = kargs['conn']
>>>>           self.networks = NetworksModel(**kargs)
>>>>
>>>> -    def get_list(self):
>>>> -        return list(set(netinfo.all_favored_interfaces()) -
>>>> - set(self.networks.get_all_networks_interfaces()))
>>>> +    def get_list(self, _inuse=None):
>>>> +        if _inuse == "true":
>>>> +            return list(set(netinfo.all_favored_interfaces()) &
>>>> + set(self.networks.get_all_networks_interfaces()))
>>>> +        elif _inuse == "false":
>>>> +            return list(set(netinfo.all_favored_interfaces()) -
>>>> + set(self.networks.get_all_networks_interfaces()))
>>>> +        elif _inuse is None:
>>>> +            return list(set(netinfo.all_favored_interfaces()))
>>>> +        else:
>>>
>>> Should't the case of "_inuse == true" be the same of "_unse == None" ?
>>>
>>> So we could simplify the code as below:
>>>
>>> if _inuse == false:
>>>    return list(set(netinfo.all_favored_interfaces())
>>> set(self.networks.get_all_networks_interfaces()))
>>>
>>> return list(set(netinfo.all_favored_interfaces()))
>>>
>>> Tip: You don't need the 'else' statement when you have a 'return' in 
>>> the 'if' statement.
>> If I understood correctly, in case of _inuse filter is not passed(i.e 
>> None), it should list all favored interfaces (i.e both in use and 
>> not  in use)
>> in case of _inuse=true, it should list interfaces which are already 
>> used by virtual networks, i.e only those favored interfaces which are 
>> present in set(self.networks.get_all_networks_interfaces()))
>> in case of _inuse=false, it should list interfaces which are not used 
>> by virtual networks, i.e only those favored interfaces which are not 
>> present in set(self.networks.get_all_networks_interfaces()).
> Thanks Archana for the explanation.
> In short,
> no filter -- all host interfaces
> _inuse=true ---interfaces currently in use by virtual networks
> _inuse=false ---interfaces not in use by virtual networks
>>
>>>
>>>> +            wok_log.error("Invalid filter _inuse. _inuse: %s. 
>>>> Supported"
>>>> +                          " options are %s" % (_inuse, 'true/false'))
>>>> +            raise InvalidParameter("KCHIFACE0002E",
>>>> +                                   {'supported_inuse': ['true', 
>>>> 'false']}) 
>> Also it ensures that if _inuse is passed it should only be true or 
>> false or it should not be passed, other value if passed in _inuse 
>> filter then it should throw error.
>>
> correct.
>>>>
>>>>
>>>>   class InterfaceModel(object):
>>>> diff --git a/ui/js/src/kimchi.api.js b/ui/js/src/kimchi.api.js
>>>> index 740d922..fd3e5d7 100644
>>>> --- a/ui/js/src/kimchi.api.js
>>>> +++ b/ui/js/src/kimchi.api.js
>>>> @@ -626,7 +626,7 @@ var kimchi = {
>>>>
>>>>       getInterfaces : function(suc, err) {
>>>>           wok.requestJSON({
>>>> -            url : 'plugins/kimchi/interfaces',
>>>> +            url : 'plugins/kimchi/interfaces?_inuse=false',
>>>>               type : 'GET',
>>>>               contentType : 'application/json',
>>>>               dataType : 'json',
>>>
>>> _______________________________________________
>>> Kimchi-devel mailing list
>>> Kimchi-devel at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/kimchi-devel
>>>
>>
>




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