Revision 2bff1928
| b/lib/backend.py | ||
|---|---|---|
| 1112 | 1112 |
_Fail("Missing bridges %s", utils.CommaJoin(missing))
|
| 1113 | 1113 |
|
| 1114 | 1114 |
|
| 1115 |
def GetInstanceListForHypervisor(hname, hvparams=None, |
|
| 1116 |
get_hv_fn=hypervisor.GetHypervisor): |
|
| 1117 |
"""Provides a list of instances of the given hypervisor. |
|
| 1118 |
|
|
| 1119 |
@type hname: string |
|
| 1120 |
@param hname: name of the hypervisor |
|
| 1121 |
@type hvparams: dict of strings |
|
| 1122 |
@param hvparams: hypervisor parameters for the given hypervisor |
|
| 1123 |
@type get_hv_fn: function |
|
| 1124 |
@param get_hv_fn: function that returns a hypervisor for the given hypervisor |
|
| 1125 |
name; optional parameter to increase testability |
|
| 1126 |
|
|
| 1127 |
@rtype: list |
|
| 1128 |
@return: a list of all running instances on the current node |
|
| 1129 |
- instance1.example.com |
|
| 1130 |
- instance2.example.com |
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| 1131 |
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| 1132 |
""" |
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| 1133 |
results = [] |
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| 1134 |
try: |
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| 1135 |
hv = get_hv_fn(hname) |
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| 1136 |
names = hv.ListInstances(hvparams) |
|
| 1137 |
results.extend(names) |
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| 1138 |
except errors.HypervisorError, err: |
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| 1139 |
_Fail("Error enumerating instances (hypervisor %s): %s",
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| 1140 |
hname, err, exc=True) |
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| 1141 |
return results |
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| 1142 |
|
|
| 1143 |
|
|
| 1115 | 1144 |
def GetInstanceList(hypervisor_list, all_hvparams=None, |
| 1116 | 1145 |
get_hv_fn=hypervisor.GetHypervisor): |
| 1117 | 1146 |
"""Provides a list of instances. |
| ... | ... | |
| 1133 | 1162 |
""" |
| 1134 | 1163 |
results = [] |
| 1135 | 1164 |
for hname in hypervisor_list: |
| 1136 |
try: |
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| 1137 |
hvparams = None |
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| 1138 |
if all_hvparams is not None: |
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| 1139 |
hvparams = all_hvparams[hname] |
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| 1140 |
hv = get_hv_fn(hname) |
|
| 1141 |
names = hv.ListInstances(hvparams) |
|
| 1142 |
results.extend(names) |
|
| 1143 |
except errors.HypervisorError, err: |
|
| 1144 |
_Fail("Error enumerating instances (hypervisor %s): %s",
|
|
| 1145 |
hname, err, exc=True) |
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| 1146 |
|
|
| 1165 |
hvparams = None |
|
| 1166 |
if all_hvparams is not None: |
|
| 1167 |
hvparams = all_hvparams[hname] |
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| 1168 |
results.extend(GetInstanceListForHypervisor(hname, hvparams, |
|
| 1169 |
get_hv_fn=get_hv_fn)) |
|
| 1147 | 1170 |
return results |
| 1148 | 1171 |
|
| 1149 | 1172 |
|
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