Revision 06c2fb4a lib/bdev.py
| b/lib/bdev.py | ||
|---|---|---|
| 3149 | 3149 |
_ExtStorageAction(constants.ES_ACTION_SETINFO, self.unique_id, |
| 3150 | 3150 |
self.ext_params, metadata=text) |
| 3151 | 3151 |
|
| 3152 |
def Snapshot(self, snapshot_name): |
|
| 3153 |
"""Take a snapshot of the block device. |
|
| 3154 |
|
|
| 3155 |
""" |
|
| 3156 |
# Call the External Storage's setinfo script, |
|
| 3157 |
# to set metadata for an existing Volume inside the External Storage |
|
| 3158 |
_ExtStorageAction(constants.ES_ACTION_SNAPSHOT, self.unique_id, |
|
| 3159 |
self.ext_params, snapshot_name=snapshot_name) |
|
| 3160 |
|
|
| 3152 | 3161 |
|
| 3153 | 3162 |
def _ExtStorageAction(action, unique_id, ext_params, |
| 3154 |
size=None, grow=None, metadata=None): |
|
| 3163 |
size=None, grow=None, metadata=None, |
|
| 3164 |
snapshot_name=None): |
|
| 3155 | 3165 |
"""Take an External Storage action. |
| 3156 | 3166 |
|
| 3157 | 3167 |
Take an External Storage action concerning or affecting |
| ... | ... | |
| 3183 | 3193 |
|
| 3184 | 3194 |
# Create the basic environment for the driver's scripts |
| 3185 | 3195 |
create_env = _ExtStorageEnvironment(unique_id, ext_params, size, |
| 3186 |
grow, metadata) |
|
| 3196 |
grow, metadata, snapshot_name)
|
|
| 3187 | 3197 |
|
| 3188 | 3198 |
# Do not use log file for action `attach' as we need |
| 3189 | 3199 |
# to get the output from RunResult |
| ... | ... | |
| 3295 | 3305 |
detach_script=es_files[constants.ES_SCRIPT_DETACH], |
| 3296 | 3306 |
setinfo_script=es_files[constants.ES_SCRIPT_SETINFO], |
| 3297 | 3307 |
verify_script=es_files[constants.ES_SCRIPT_VERIFY], |
| 3308 |
snapshot_script=es_files[constants.ES_SCRIPT_SNAPSHOT], |
|
| 3298 | 3309 |
supported_parameters=parameters) |
| 3299 | 3310 |
return True, es_obj |
| 3300 | 3311 |
|
| 3301 | 3312 |
|
| 3302 | 3313 |
def _ExtStorageEnvironment(unique_id, ext_params, |
| 3303 |
size=None, grow=None, metadata=None): |
|
| 3314 |
size=None, grow=None, metadata=None, |
|
| 3315 |
snapshot_name=None): |
|
| 3304 | 3316 |
"""Calculate the environment for an External Storage script. |
| 3305 | 3317 |
|
| 3306 | 3318 |
@type unique_id: tuple (driver, vol_name) |
| ... | ... | |
| 3335 | 3347 |
if metadata is not None: |
| 3336 | 3348 |
result["VOL_METADATA"] = metadata |
| 3337 | 3349 |
|
| 3350 |
if snapshot_name is not None: |
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| 3351 |
result["VOL_SNAPSHOT_NAME"] = snapshot_name |
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| 3352 |
|
|
| 3338 | 3353 |
return result |
| 3339 | 3354 |
|
| 3340 | 3355 |
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