iotests.py: Add node_info()
This function queries a node; since we cannot do that right now, it executes query-named-block-nodes and returns the matching node's object. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20190201192935.18394-8-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
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@ -543,6 +543,13 @@ class VM(qtest.QEMUQtestMachine):
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else:
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iotests.log(ev)
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def node_info(self, node_name):
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nodes = self.qmp('query-named-block-nodes')
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for x in nodes['return']:
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if x['node-name'] == node_name:
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return x
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return None
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index_re = re.compile(r'([^\[]+)\[([^\]]+)\]')
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