On 03/26/2014 03:48 AM, Aline Manera wrote:
On 03/25/2014 04:56 AM, Zhou Zheng Sheng wrote:
> Thanks a lot for the comments on the back-end code. I will change it in
> v2. Maybe Hong Liang can share what he thinks on the front-end code.
> Then I'll update the patch.
>
> on 2014/03/25 14:15, Mark Wu wrote:
>> On 03/25/2014 11:52 AM, zhshzhou(a)linux.vnet.ibm.com wrote:
>>> From: Zhou Zheng Sheng <zhshzhou(a)linux.vnet.ibm.com>
>>>
>>> When creating a logical storage pool Kimci ignores multipath block
>>> devices. This is on purpose because at the time the kimchi.disks was
>>> implemented, there was not enough time to test every kind of devices.
>>>
>>> This patch adds the missing support for multipath block devices. After
>>> this patch, the kimchi.disks will include multipath devices in the
>>> available partition list. The front-end code is also changed
>>> accordingly.
>>>
>>> Signed-off-by: Zhou Zheng Sheng <zhshzhou(a)linux.vnet.ibm.com>
>>> ---
>>> src/kimchi/disks.py | 20 +++++++++++++++++++-
>>> ui/js/src/kimchi.storagepool_add_main.js | 3 ++-
>>> 2 files changed, 21 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/src/kimchi/disks.py b/src/kimchi/disks.py
>>> index ce0c5bb..6817ab4 100644
>>> --- a/src/kimchi/disks.py
>>> +++ b/src/kimchi/disks.py
>>> @@ -17,6 +17,7 @@
>>> # 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 errno
>>> import re
>>> import subprocess
>>>
>>> @@ -27,8 +28,25 @@ from kimchi.exception import OperationFailed
>>> from kimchi.utils import kimchi_log
>>>
>>>
>>> +def _get_friendly_dm_path(maj_min):
>>> + """ Returns user friendly dm path given the device
number
>>> 'major:min' """
>>> + dm_name = "/sys/dev/block/%s/dm/name" % maj_min
>>> + try:
>>> + with open(dm_name) as dm_f:
>>> + content = dm_f.read().rstrip('\n')
>>> + except IOError as e:
>>> + if not e.errno == errno.ENOENT:
>> why not "!="
>>> + raise
>>> + return None
>>> + return "/dev/mapper/" + content
>>> +
>>> +
>>> def _get_dev_node_path(maj_min):
>>> """ Returns device node path given the device number
>>> 'major:min' ""
>>> + dm_path = _get_friendly_dm_path(maj_min)
>> check if string starts with "253:" could avoid reading the dm name
>> file
>> for non device mapper file.
>> The major device number 253 is reserved for device mapper device in
>> kernel. It's reliable.
>>> + if dm_path is not None:
>>> + return dm_path
>>> +
>>> uevent = "/sys/dev/block/%s/uevent" % maj_min
>>> with open(uevent) as ueventf:
>>> content = ueventf.read()
>>> @@ -137,7 +155,7 @@ def get_partitions_names():
>>> # leaf means a partition, a disk has no partition, or a
>>> disk
>>> not held
>>> # by any multipath device. Physical volume belongs to no
>>> volume group
>>> # is also listed. Extended partitions should not be listed.
>>> - if not (dev['type'] in ['part', 'disk'] and
>>> + if not (dev['type'] in ['part', 'disk',
'mpath'] and
>>> dev['fstype'] in ['',
'LVM2_member'] and
>>> dev['mountpoint'] == "" and
>>> _get_vgname(devNodePath) == "" and
>>> diff --git a/ui/js/src/kimchi.storagepool_add_main.js
>>> b/ui/js/src/kimchi.storagepool_add_main.js
>>> index 10833be..f3b85d2 100644
>>> --- a/ui/js/src/kimchi.storagepool_add_main.js
>>> +++ b/ui/js/src/kimchi.storagepool_add_main.js
>>> @@ -28,7 +28,8 @@ kimchi.initStorageAddPage = function() {
>>> var deviceHtml = $('#partitionTmpl').html();
>>> var listHtml = '';
>>> $.each(data, function(index, value) {
>>> - if (value.type === 'part' || value.type ===
'disk') {
>>> + valid_types = {part: 'part', disk: 'disk',
mpath:
>>> 'mpath'};
>> what we need is just a list, not sure if we can have a 'in' operation
>> for list in js. Maybe Hongliang can help here.
According to Adam we can do:
list = ['part', 'disk', 'mpath']
if list.indexOf(value.type) != -1 {
Zhengsheng told me that indexOf is not
supported by IE browser.
....
}
>>> + if (value.type in valid_types) {
>>> listHtml += kimchi.template(deviceHtml, value);
>>> }
>>> });
>