Revision a1860404
| b/lib/backend.py | ||
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} |
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| 594 | 594 |
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def _GetVgSpindlesInfo(name, excl_stor): |
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"""Retrieves information about spindles in an LVM volume group. |
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@type name: string |
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@param name: VG name |
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@type excl_stor: bool |
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@param excl_stor: exclusive storage |
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@rtype: dict |
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@return: dictionary whose keys are "name", "vg_free", "vg_size" for VG name, |
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free spindles, total spindles respectively |
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""" |
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if excl_stor: |
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(vg_free, vg_size) = bdev.LogicalVolume.GetVgSpindlesInfo(name) |
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else: |
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vg_free = 0 |
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vg_size = 0 |
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return {
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"name": name, |
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"vg_free": vg_free, |
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"vg_size": vg_size, |
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} |
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def _GetHvInfo(name): |
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"""Retrieves node information from a hypervisor. |
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|
| ... | ... | |
| 653 | 677 |
constants.ST_DISKLESS: None, |
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constants.ST_EXT: None, |
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constants.ST_FILE: None, |
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constants.ST_LVM_PV: _GetVgSpindlesInfo, |
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| 656 | 681 |
constants.ST_LVM_VG: _GetVgInfo, |
| 657 | 682 |
constants.ST_RADOS: None, |
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} |
| b/lib/storage/bdev.py | ||
|---|---|---|
| 407 | 407 |
return data |
| 408 | 408 |
|
| 409 | 409 |
@classmethod |
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def _GetRawFreePvInfo(cls, vg_name): |
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"""Return info (size/free) about PVs. |
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@type vg_name: string |
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@param vg_name: VG name |
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@rtype: tuple |
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@return: (standard_pv_size_in_MiB, number_of_free_pvs, total_number_of_pvs) |
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""" |
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pvs_info = cls.GetPVInfo([vg_name]) |
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if not pvs_info: |
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pv_size = 0.0 |
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free_pvs = 0 |
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num_pvs = 0 |
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else: |
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pv_size = cls._GetStdPvSize(pvs_info) |
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free_pvs = len(cls._GetEmptyPvNames(pvs_info)) |
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num_pvs = len(pvs_info) |
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return (pv_size, free_pvs, num_pvs) |
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@classmethod |
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def _GetExclusiveStorageVgFree(cls, vg_name): |
| 411 | 432 |
"""Return the free disk space in the given VG, in exclusive storage mode. |
| 412 | 433 |
|
| ... | ... | |
| 415 | 436 |
@rtype: float |
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@return: free space in MiB |
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""" |
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pvs_info = cls.GetPVInfo([vg_name]) |
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if not pvs_info: |
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return 0.0 |
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pv_size = cls._GetStdPvSize(pvs_info) |
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num_pvs = len(cls._GetEmptyPvNames(pvs_info)) |
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return pv_size * num_pvs |
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(pv_size, free_pvs, _) = cls._GetRawFreePvInfo(vg_name) |
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return pv_size * free_pvs |
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@classmethod |
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def GetVgSpindlesInfo(cls, vg_name): |
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"""Get the free space info for specific VGs. |
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@param vg_name: volume group name |
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@rtype: tuple |
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@return: (free_spindles, total_spindles) |
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""" |
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(_, free_pvs, num_pvs) = cls._GetRawFreePvInfo(vg_name) |
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return (free_pvs, num_pvs) |
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| 424 | 453 |
|
| 425 | 454 |
@classmethod |
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def GetVGInfo(cls, vg_names, excl_stor, filter_readonly=True): |
Also available in: Unified diff