Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-13 Thread danken
Dan Kenigsberg has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 15: Code-Review+2

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-13 Thread danken
Dan Kenigsberg has submitted this change and it was merged.

Change subject: vdsm: introduce hostdev module
..


vdsm: introduce hostdev module

Hostdev module serves the purpose of encapsulating functions
related to reporting, acquiring and releasing host devices
(nodeDevices in libvirt terms)

Change-Id: I2bba96db5be180d00cb74fb89b10c5b09e5bd180
Signed-off-by: Martin Polednik mpoled...@redhat.com
Reviewed-on: http://gerrit.ovirt.org/32313
Reviewed-by: Piotr Kliczewski piotr.kliczew...@gmail.com
Reviewed-by: Dan Kenigsberg dan...@redhat.com
---
M debian/vdsm.install
M tests/Makefile.am
A tests/hostdevTests.py
M tests/vmfakelib.py
M vdsm.spec.in
M vdsm/API.py
M vdsm/Makefile.am
A vdsm/hostdev.py
M vdsm/rpc/BindingXMLRPC.py
M vdsm/rpc/Bridge.py
M vdsm/rpc/vdsmapi-schema.json
11 files changed, 631 insertions(+), 0 deletions(-)

Approvals:
  Piotr Kliczewski: Looks good to me, but someone else must approve
  Dan Kenigsberg: Looks good to me, approved
  Martin Polednik: Verified



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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-13 Thread oVirt Jenkins CI Server
oVirt Jenkins CI Server has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 16:

Build Successful 

http://jenkins.ovirt.org/job/vdsm_master_unit-tests_merged/4075/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_create-rpms-fc21-x86_64_merged/61/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_create-rpms-el6-x86_64_merged/88/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_create-rpms_merged_test_debug/283/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_verify-error-codes_merged/5915/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_create-rpms-el7-x86_64_merged/85/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_create-rpms-fc20-x86_64_merged/81/ : 
SUCCESS

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-10 Thread mpolednik
Martin Polednik has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 15: Verified+1

Verified by

- running ./run_tests_local hostdevTests.py
- make check
- in combination with http://gerrit.ovirt.org/#/c/32316/ (manually on the host)

Haven't verified jsonrpc due to lack of tools

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-07 Thread mpolednik
Martin Polednik has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 14: Verified+1

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-07 Thread oVirt Jenkins CI Server
oVirt Jenkins CI Server has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 15:

Build Failed 

http://jenkins.ovirt.org/job/vdsm_master_unit-tests_created/12806/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit_el/11858/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-el6_created/449/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc20_created/432/ : 
FAILURE

http://jenkins.ovirt.org/job/vdsm_master_pep8_gerrit/12649/ : SUCCESS

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-06 Thread fromani
Francesco Romani has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 13: Code-Review-1

(7 comments)

quite good, almost there. A few minor notes inside, nothing big.
-1 for visibility

Do Bridge.py needs to be updated - read: does this work with json-rpc?
Not sure, just asking.

http://gerrit.ovirt.org/#/c/32313/13/tests/hostdevTests.py
File tests/hostdevTests.py:

Line 138:   u'usb_1_1':
Line 139:   {'params': 
DEVICES_PARSED['usb_1_1']}}}
Line 140: 
Line 141: 
Line 142: class ConfStub(object):
in a later patch: let's move them in a common module (vmfakelib?)
Line 143: 
Line 144: def __init__(self, conf):
Line 145: self.conf = conf
Line 146: 


Line 148: VirNodeDeviceStub
in a later patch: let's move them in a common module (vmfakelib?)


Line 443: def testListByCaps(self, caps):
Line 444: devices = hostdev.list_by_caps(ConnectionStub.VMCONTAINER, 
caps)
Line 445: 
Line 446: for cap in caps:
Line 447: print DEVICES_BY_CAPS[cap].keys()
please no prints...
Line 448: print devices.keys()
Line 449: self.assertTrue(set(DEVICES_BY_CAPS[cap].keys()).


http://gerrit.ovirt.org/#/c/32313/13/vdsm/rpc/vdsmapi-schema.json
File vdsm/rpc/vdsmapi-schema.json:

Line 3740: # @vendor_id:   Hexadecimal representation of the vendor
Line 3741: #
Line 3742: # @vendor:  String representation of the vendor
Line 3743: #
Line 3744: # Since: 4.16.0
4.17.0?
Line 3745: ##
Line 3746: {'type': 'HostDeviceParams',
Line 3747:  'data': {'capability': 'str', 'iommu_group': 'uint',
Line 3748:   'parent': 'str', 'product_id': 'str', 'product': 'str',


Line 3756: # @vmId:The VM UUID
Line 3757: #
Line 3758: # @params:  Properties of the device
Line 3759: #
Line 3760: # Since: 4.16.0
ditto
Line 3761: ##
Line 3762: {'type': 'HostDevice',
Line 3763:  'data': {'vmId': 'UUID', 'params': 'HostDeviceParams'}}
Line 3764: 


Line 3768: # Mapping of devices to their assignments
Line 3769: #
Line 3770: # @deviceName:  Name of the device
Line 3771: #
Line 3772: # Since: 4.16.0
ditto
Line 3773: ##
Line 3774: {'type': 'HostDevices',
Line 3775:  'data': {'deviceName': 'HostDevice'}}
Line 3776: 


Line 3784: # Returns:
Line 3785: # A list of devices on the host
Line 3786: #
Line 3787: # Since: 4.16.0
Line 3788: ##
ditto
Line 3789: {'command': {'class': 'Host', 'name': 'hostdevListByCaps'},
Line 3790:  'data': {'caps': ['str']},
Line 3791:  'returns': ['HostDevices']}
Line 3792: 


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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-06 Thread oVirt Jenkins CI Server
oVirt Jenkins CI Server has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 14:

Build Failed 

http://jenkins.ovirt.org/job/vdsm_master_unit-tests_created/12792/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit_el/11844/ : FAILURE

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-el6_created/447/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc20_created/430/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_pep8_gerrit/12635/ : SUCCESS

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-06 Thread fromani
Francesco Romani has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 14: Code-Review+1

seems ok assuming Bridge.py does not needs intervention.

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-02 Thread oVirt Jenkins CI Server
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Change subject: vdsm: introduce hostdev module
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Patch Set 13:

Build Failed 

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc20_created/417/ : 
FAILURE

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-el6_created/434/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit_el/11778/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_unit-tests_created/12724/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_pep8_gerrit/12567/ : SUCCESS

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-02 Thread mpolednik
Martin Polednik has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 13: Verified+1

removed deprecated logic in tests

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-01 Thread oVirt Jenkins CI Server
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Change subject: vdsm: introduce hostdev module
..


Patch Set 11:

Build Failed 

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc20_created/404/ : 
FAILURE

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-el6_created/421/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit_el/11731/ : FAILURE

http://jenkins.ovirt.org/job/vdsm_master_unit-tests_created/12675/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_pep8_gerrit/12520/ : SUCCESS

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-10-01 Thread oVirt Jenkins CI Server
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Change subject: vdsm: introduce hostdev module
..


Patch Set 12:

Build Failed 

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc20_created/405/ : 
FAILURE

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-el6_created/422/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit_el/11732/ : FAILURE

http://jenkins.ovirt.org/job/vdsm_master_unit-tests_created/12676/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_pep8_gerrit/12521/ : SUCCESS

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-30 Thread danken
Dan Kenigsberg has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 10:

(1 comment)

http://gerrit.ovirt.org/#/c/32313/10/vdsm/hostdev.py
File vdsm/hostdev.py:

Line 106: for name, params in libvirt_devices.items():
Line 107: if caps and params['capability'] not in caps:
Line 108: continue
Line 109: 
Line 110: devices[name] = {'params': params}
if name in device_to_vm:
devices[name]['vmId'] = device_to_vm[name]
Line 111: try:
Line 112: devices[name]['vmId'] = device_to_vm[name]
Line 113: except KeyError:
Line 114: pass


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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-30 Thread danken
Dan Kenigsberg has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 12: Code-Review+2

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-30 Thread mpolednik
Martin Polednik has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 12: Verified+1

verified by
* running ./run_tests_local hostdevTests.py
* make check
* in combination with http://gerrit.ovirt.org/#/c/32316/ (manually on the host)

- works as expected

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-26 Thread mpolednik
Martin Polednik has posted comments on this change.

Change subject: vdsm: introduce hostdev module
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Patch Set 10: Verified+1

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-26 Thread oVirt Jenkins CI Server
oVirt Jenkins CI Server has posted comments on this change.

Change subject: vdsm: introduce hostdev module
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Patch Set 9:

Build Failed 

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc20_created/387/ : 
FAILURE

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-el6_created/404/ : 
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http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit_el/11665/ : FAILURE

http://jenkins.ovirt.org/job/vdsm_master_unit-tests_created/12609/ : FAILURE

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-26 Thread oVirt Jenkins CI Server
oVirt Jenkins CI Server has posted comments on this change.

Change subject: vdsm: introduce hostdev module
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Patch Set 10:

Build Failed 

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FAILURE

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-26 Thread danken
Dan Kenigsberg has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 10: Code-Review-1

(2 comments)

http://gerrit.ovirt.org/#/c/32313/10/vdsm/hostdev.py
File vdsm/hostdev.py:

Line 70: 
Line 71: for device in VM.conf['devices']:
Line 72: if device['device'] == 'hostdev':
Line 73: try:
Line 74: devices[device['name']] = vmId
PS8 was clearer in my opinion.
Line 75: except KeyError:
Line 76: raise logging.warn('Vm %s has hostdev without 
mandatory '
Line 77:'name attribute!', vmId)
Line 78: 


Line 72: if device['device'] == 'hostdev':
Line 73: try:
Line 74: devices[device['name']] = vmId
Line 75: except KeyError:
Line 76: raise logging.warn('Vm %s has hostdev without 
mandatory '
warn() return None, and this is what you raise here - I suppose it's a typo?
Line 77:'name attribute!', vmId)
Line 78: 
Line 79: return devices
Line 80: 


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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-26 Thread danken
Dan Kenigsberg has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 10:

(1 comment)

http://gerrit.ovirt.org/#/c/32313/10/vdsm/hostdev.py
File vdsm/hostdev.py:

Line 70: 
Line 71: for device in VM.conf['devices']:
Line 72: if device['device'] == 'hostdev':
Line 73: try:
Line 74: devices[device['name']] = vmId
 PS8 was clearer in my opinion.
More importantly - is there any possibility to have a hostdev with no name? 
If so, our code does not support it (we do not report its assignment properly). 
If nameless hostdevs are impossible, finding one is not a warning, it is an 
error (which I'd rather not swallow).
Line 75: except KeyError:
Line 76: raise logging.warn('Vm %s has hostdev without 
mandatory '
Line 77:'name attribute!', vmId)
Line 78: 


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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-26 Thread mpolednik
Martin Polednik has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 10:

(1 comment)

http://gerrit.ovirt.org/#/c/32313/10/vdsm/hostdev.py
File vdsm/hostdev.py:

Line 72: if device['device'] == 'hostdev':
Line 73: try:
Line 74: devices[device['name']] = vmId
Line 75: except KeyError:
Line 76: raise logging.warn('Vm %s has hostdev without 
mandatory '
 warn() return None, and this is what you raise here - I suppose it's a typo
Yep, typo detected.

To the code above: nameless hostdevs are impossible (as the name is used to 
obtain virNodeDevice object), error sounds fine.
Line 77:'name attribute!', vmId)
Line 78: 
Line 79: return devices
Line 80: 


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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-16 Thread oVirt Jenkins CI Server
oVirt Jenkins CI Server has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 8:

Build Failed 

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc20_created/355/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-el6_created/372/ : 
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http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit_el/11555/ : FAILURE

http://jenkins.ovirt.org/job/vdsm_master_unit-tests_created/12499/ : FAILURE

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-16 Thread danken
Dan Kenigsberg has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 8: Code-Review-1

(2 comments)

http://gerrit.ovirt.org/#/c/32313/8/vdsm/hostdev.py
File vdsm/hostdev.py:

Line 69: continue
Line 70: 
Line 71: for device in VM.conf['devices']:
Line 72: try:
Line 73: name = device['name']
How can we have a device without a 'name'? Is it common? Why do we swallow this 
silently? It's fine to answer these questions in a comment just above 
continue.
Line 74: except KeyError:
Line 75: continue
Line 76: 
Line 77: if device['device'] == 'hostdev':


Line 77: if device['device'] == 'hostdev':
Line 78: try:
Line 79: devices[name] = vmId
Line 80: except KeyError:
Line 81: # VM has device which is no (longer) present
Only now do I notice the problem here: the current code cannot raise KeyError 
ever, as it is an assignment, not a lookup. The error handling here is useless.
Line 82: # on the host - althought this should be handled by
Line 83: # user, warning can help debugging libvirt errors
Line 84: logging.warning('VM %s has device %s which is not '
Line 85: 'available!', vmId, device['name'])


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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-16 Thread mpolednik
Martin Polednik has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 8:

(2 comments)

http://gerrit.ovirt.org/#/c/32313/8/vdsm/hostdev.py
File vdsm/hostdev.py:

Line 69: continue
Line 70: 
Line 71: for device in VM.conf['devices']:
Line 72: try:
Line 73: name = device['name']
 How can we have a device without a 'name'? Is it common? Why do we swallow 
Some devices might not have this attribute, rng device and smartcard being an 
example. The warning logged below needs a bit more thinking, it should be 
simple continue afaik (simply ignoring unnamed devices as these are irrelevant) 
-- this is leftover from old code
Line 74: except KeyError:
Line 75: continue
Line 76: 
Line 77: if device['device'] == 'hostdev':


Line 77: if device['device'] == 'hostdev':
Line 78: try:
Line 79: devices[name] = vmId
Line 80: except KeyError:
Line 81: # VM has device which is no (longer) present
 Only now do I notice the problem here: the current code cannot raise KeyErr
Well the way before seemed perfect :)
Line 82: # on the host - althought this should be handled by
Line 83: # user, warning can help debugging libvirt errors
Line 84: logging.warning('VM %s has device %s which is not '
Line 85: 'available!', vmId, device['name'])


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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-14 Thread danken
Dan Kenigsberg has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 7:

(2 comments)

http://gerrit.ovirt.org/#/c/32313/7/vdsm/hostdev.py
File vdsm/hostdev.py:

Line 64: if device['device'] == 'hostdev':
Line 65: try:
Line 66: devices[device['name']] = vmId
Line 67: except KeyError:
Line 68: # VM has device which is no (longer) present
We have two dictionary lookup inside the try-block. It's safer two have only 
one.
Line 69: # on the host - althought this should be handled by
Line 70: # user, warning can help debugging libvirt errors
Line 71: logging.warning('VM %s has device %s which is not '
Line 72: 'available!', vmId, device['name'])


Line 84: for device in 
libvirtconnection.get().listAllDevices(0))
Line 85: 
Line 86: 
Line 87: def list_by_caps(vmContainer, caps=None):
Line 88: 
please explain what is the expected value of caps.
Line 89: Returns devices that have specified capability in format
Line 90: {device_name: {'params': {'capability': '', 'vendor': '',
Line 91:   'vendor_id': '', 'product': '',
Line 92:   'product_id': '', 'iommu_group': ''},


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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-08 Thread oVirt Jenkins CI Server
oVirt Jenkins CI Server has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 7:

Build Failed 

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-04 Thread danken
Dan Kenigsberg has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 6:

(9 comments)

please add a unit test for each new function.

http://gerrit.ovirt.org/#/c/32313/6/vdsm/hostdev.py
File vdsm/hostdev.py:

Line 53: def _get_devices_from_vms(vmContainer):
Line 54: devices = {}
Line 55: 
Line 56: # loop through VMs and find their host devices
Line 57: for vmId, params in vmContainer.items():
vmContainer is a mapping of vmId - Vm object. not params.
Line 58: try:
Line 59: for device in params.conf['devices']:
Line 60: if device['device'] == 'hostdev':
Line 61: try:


Line 59: for device in params.conf['devices']:
Line 60: if device['device'] == 'hostdev':
Line 61: try:
Line 62: devices[device['name']] = vmId
Line 63: except KeyError:
We have two dictionary lookup inside the try-block. It's safer two have only 
one.
Line 64: # VM has device which is no (longer) present
Line 65: # on the host - althought this should be 
handled by
Line 66: # user, warning can help debugging libvirt 
errors
Line 67: logging.warning('VM %s has device %s which is 
not '


Line 67: logging.warning('VM %s has device %s which is 
not '
Line 68: 'available!', vmId, 
device['name'])
Line 69: # BC: ignore old VM's without conf['devices'] section, no 
handling
Line 70: # needed as hostdev was not supported
Line 71: except KeyError:
KeyError can be raised by all sort of funny mistakes in the try-block. When you 
would like to catch a specific error, make sure that you catch it *alone*. In 
this case,

  if 'devices' not in params.conf:
continue

would do.
Line 72: pass
Line 73: 
Line 74: return devices
Line 75: 


Line 73: 
Line 74: return devices
Line 75: 
Line 76: 
Line 77: def _get_devices_from_libvirt(vmContainer):
no need for the arg
Line 78: 
Line 79: Method that scans all VMs in supported vmContainer, locates node
Line 80: devices and pairs them with VM in internal mapping, removing VMs or
Line 81: devices that no longer exist


Line 84: host_devices = [(dev.name(), dev) for dev
Line 85: in libvirtconnection.get().listAllDevices(0)]
Line 86: 
Line 87: for (device_name, device) in host_devices:
Line 88: devices[device_name] = _parse_device_params(device.XMLDesc())
device_name is used only once. The code would be much simpler if you evaluate 
it right here.

I suspect that all you need is

  return dict(device.name(), _parse_device_params(device.XMLDesc())
for device in libvirtconnection.get().listAllDevices(0))
Line 89: 
Line 90: return devices
Line 91: 
Line 92: 


Line 103: libvirt_devices = _get_devices_from_libvirt(vmContainer)
Line 104: device_to_vm = _get_devices_from_vms(vmContainer)
Line 105: 
Line 106: for name, params in libvirt_devices.items():
Line 107: devices[name] = {'params': params, 'vmId': ''}
if the device is not owned by any vm, a nicer API is to leave vmId out of the 
dictionary.
Line 108: try:
Line 109: devices[name]['vmId'] = device_to_vm[name]
Line 110: except KeyError:
Line 111: pass


Line 108: try:
Line 109: devices[name]['vmId'] = device_to_vm[name]
Line 110: except KeyError:
Line 111: pass
Line 112: logging.info('DBG: %s', devices)
debug time leftover?
Line 113: 
Line 114: for device_name, assignment in devices.items():
Line 115: if caps and assignment['params']['capability'] not in caps:
Line 116: del(devices[device_name])


Line 110: except KeyError:
Line 111: pass
Line 112: logging.info('DBG: %s', devices)
Line 113: 
Line 114: for device_name, assignment in devices.items():
assignment is still a bad name. it's a dictionary that has both params and 
owning vmId.
Line 115: if caps and assignment['params']['capability'] not in caps:
Line 116: del(devices[device_name])
Line 117: 


Line 112: logging.info('DBG: %s', devices)
Line 113: 
Line 114: for device_name, assignment in devices.items():
Line 115: if caps and assignment['params']['capability'] not in caps:
Line 116: del(devices[device_name])
It's wasteful to add the devince_name to the dictionary, and now delete it. If 
it does not have the right caps - do not add it.
Line 117: 


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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-04 Thread danken
Dan Kenigsberg has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 6: Code-Review-1

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-03 Thread mpolednik
Martin Polednik has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 5:

tests are kept in http://gerrit.ovirt.org/#/c/31766/
in order to keep the patch relatively small

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-03 Thread oVirt Jenkins CI Server
oVirt Jenkins CI Server has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 5:

Build Failed 

http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit_el/11277/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc20_created/305/ : 
SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_unit-tests_created/12219/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc19_created/339/ : 
FAILURE

http://jenkins.ovirt.org/job/vdsm_master_pep8_gerrit/12066/ : SUCCESS

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-03 Thread oVirt Jenkins CI Server
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Change subject: vdsm: introduce hostdev module
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Patch Set 6:

Build Failed 

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-02 Thread mpolednik
Martin Polednik has uploaded a new change for review.

Change subject: vdsm: introduce hostdev module
..

vdsm: introduce hostdev module

Hostdev module serves the purpose of encapsulating functions
related to reporting, acquiring and releasing host devices
(nodeDevices in libvirt terms)

Change-Id: I2bba96db5be180d00cb74fb89b10c5b09e5bd180
Signed-off-by: Martin Polednik mpoled...@redhat.com
---
M debian/vdsm.install
M vdsm.spec.in
M vdsm/API.py
M vdsm/Makefile.am
A vdsm/hostdev.py
M vdsm/rpc/vdsmapi-schema.json
6 files changed, 185 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.ovirt.org:29418/vdsm refs/changes/13/32313/1

diff --git a/debian/vdsm.install b/debian/vdsm.install
index b1840ec..b913b3d 100644
--- a/debian/vdsm.install
+++ b/debian/vdsm.install
@@ -52,6 +52,7 @@
 ./usr/share/vdsm/gluster/hostname.py
 ./usr/share/vdsm/hooking.py
 ./usr/share/vdsm/hooks.py
+./usr/share/vdsm/hostdev.py
 ./usr/share/vdsm/kaxmlrpclib.py
 ./usr/share/vdsm/ksm.py
 ./usr/share/vdsm/logUtils.py
diff --git a/vdsm.spec.in b/vdsm.spec.in
index 323b586..2d09962 100644
--- a/vdsm.spec.in
+++ b/vdsm.spec.in
@@ -940,6 +940,7 @@
 %{_datadir}/%{vdsm_name}/API.py*
 %{_datadir}/%{vdsm_name}/hooking.py*
 %{_datadir}/%{vdsm_name}/hooks.py*
+%{_datadir}/%{vdsm_name}/hostdev.py*
 %{_datadir}/%{vdsm_name}/mk_sysprep_floppy
 %{_datadir}/%{vdsm_name}/parted_utils.py*
 %{_datadir}/%{vdsm_name}/mkimage.py*
diff --git a/vdsm/API.py b/vdsm/API.py
index 585923e..14f9fbc 100644
--- a/vdsm/API.py
+++ b/vdsm/API.py
@@ -52,6 +52,7 @@
 from vdsm.config import config
 import ksm
 import hooks
+import hostdev
 from caps import PAGE_SIZE_BYTES
 
 import supervdsm
@@ -1287,6 +1288,10 @@
 statsList = hooks.after_get_all_vm_stats(statsList)
 return {'status': doneCode, 'statsList': statsList}
 
+def hostdevListByCaps(self, caps):
+devices = hostdev.listByCaps(self._cif.vmContainer)
+return {'status': doneCode, 'deviceList': devices}
+
 def getStats(self):
 
 Report host statistics.
diff --git a/vdsm/Makefile.am b/vdsm/Makefile.am
index 2afdd00..64653f1 100644
--- a/vdsm/Makefile.am
+++ b/vdsm/Makefile.am
@@ -32,6 +32,7 @@
dmidecodeUtil.py \
hooking.py \
hooks.py \
+   hostdev.py \
kaxmlrpclib.py \
ksm.py \
logUtils.py \
diff --git a/vdsm/hostdev.py b/vdsm/hostdev.py
new file mode 100644
index 000..cd3501e
--- /dev/null
+++ b/vdsm/hostdev.py
@@ -0,0 +1,106 @@
+#
+# Copyright 2014 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+#
+# Refer to the README and COPYING files for full details of the license
+#
+
+import logging
+import xml.etree.ElementTree as etree
+
+from vdsm import libvirtconnection
+
+
+def parseDeviceParams(device_xml):
+params = {}
+
+devXML = etree.fromstring(device_xml)
+name = devXML.find('name').text
+if name != 'computer':
+params['parent'] = devXML.find('parent').text
+
+caps = devXML.find('capability')
+params['capability'] = caps.attrib['type']
+
+for element in ('vendor', 'product'):
+elementXML = caps.find(element)
+if elementXML is not None:
+if 'id' in elementXML.attrib:
+params[element + '_id'] = elementXML.attrib['id']
+params[element] = elementXML.text
+
+iommu_group = caps.find('iommuGroup')
+if iommu_group:
+params['iommu_group'] = iommu_group.attrib['number']
+
+return params
+
+
+def getDevicesFromLibvirt(vmContainer):
+
+Method that scans all VMs in supported vmContainer, locates node
+devices and pairs them with VM in internal mapping, removing VMs or
+devices that no longer exist
+
+devices = {}
+hostDevices = [(dev.name(), dev) for dev
+   in libvirtconnection.listAllDevices(0)]
+
+for (device_name, device) in hostDevices:
+devices[device_name] = [device, '']
+
+# loop through VMs and find their host devices
+for vmId, params in vmContainer.items():
+try:
+for device in params.conf['devices']:
+if device['device'] == 'hostdev':
+try:
+devices[device['name']][1] = vmId
+except 

Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-02 Thread oVirt Jenkins CI Server
oVirt Jenkins CI Server has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 1:

Build Failed 

http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit_el/11261/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc20_created/296/ : 
FAILURE

http://jenkins.ovirt.org/job/vdsm_master_unit-tests_created/12203/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-fc19_created/330/ : 
FAILURE

http://jenkins.ovirt.org/job/vdsm_master_pep8_gerrit/12050/ : SUCCESS

http://jenkins.ovirt.org/job/vdsm_master_install-rpm-sanity-el6_created/311/ : 
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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-02 Thread oVirt Jenkins CI Server
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Change subject: vdsm: introduce hostdev module
..


Patch Set 2:

Build Failed 

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-02 Thread oVirt Jenkins CI Server
oVirt Jenkins CI Server has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 3:

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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-02 Thread fromani
Francesco Romani has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 4:

(4 comments)

http://gerrit.ovirt.org/#/c/32313/4/vdsm/hostdev.py
File vdsm/hostdev.py:

Line 1: #
Line 2: # Copyright 2014 Red Hat, Inc.
since this is new code, we want to be (finally!) pep8 friendly: 

http://webcache.googleusercontent.com/search?q=cache:N35llBwzhFcJ:https://www.ovirt.org/Vdsm_Coding_Guidelines+cd=1hl=itct=clnkgl=it

(linking google cache only because ovirt wiki seems down at the moment :( )
Line 3: #
Line 4: # This program is free software; you can redistribute it and/or modify
Line 5: # it under the terms of the GNU General Public License as published by
Line 6: # the Free Software Foundation; either version 2 of the License, or


Line 18: # Refer to the README and COPYING files for full details of the license
Line 19: #
Line 20: 
Line 21: import logging
Line 22: import xml.etree.ElementTree as etree
Good move. I'm all to use etree for new code.
Line 23: 
Line 24: from vdsm import libvirtconnection
Line 25: 
Line 26: 


Line 59: hostDevices = [(dev.name(), dev) for dev
Line 60:in libvirtconnection.get().listAllDevices(0)]
Line 61: 
Line 62: for (device_name, device) in hostDevices:
Line 63: devices[device_name] = [device, '']
a namedtuple would probably help readability here (also looking at line 71)
Line 64: 
Line 65: # loop through VMs and find their host devices
Line 66: for vmId, params in vmContainer.items():
Line 67: try:


Line 62: for (device_name, device) in hostDevices:
Line 63: devices[device_name] = [device, '']
Line 64: 
Line 65: # loop through VMs and find their host devices
Line 66: for vmId, params in vmContainer.items():
do we need vmContainerLock here?
Line 67: try:
Line 68: for device in params.conf['devices']:
Line 69: if device['device'] == 'hostdev':
Line 70: try:


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Change in vdsm[master]: vdsm: introduce hostdev module

2014-09-02 Thread danken
Dan Kenigsberg has posted comments on this change.

Change subject: vdsm: introduce hostdev module
..


Patch Set 4: Code-Review-1

(1 comment)

http://gerrit.ovirt.org/#/c/32313/4/vdsm/hostdev.py
File vdsm/hostdev.py:

Line 91:   'product_id': '', 'iommu_group': ''},
Line 92:'vmId': vmId]}
Line 93: 
Line 94: # device configuration may have changed: repopulate the map
Line 95: devices = getDevicesFromLibvirt(vmContainer)
It would be simpler to iterate over VMs and build one devname-vmId mapping.

Then, call listAllDevices(), convert their xml to our dict output, filter out 
devices with non-matching caps, and add vmId assignment.

Also, please add unit test per functions, so it's easier to understand expected 
input/output.
Line 96: 
Line 97: for device_name, assignment in devices.items():
Line 98: devices[device_name] = {
Line 99: 'params': parseDeviceParams(assignment[0].XMLDesc()),


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