Merge "Load the glibc library only once for Pyroute2" into stable/rocky
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commit
5936e4cea9
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@ -10,6 +10,8 @@
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# License for the specific language governing permissions and limitations
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# under the License.
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import ctypes
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from ctypes import util as ctypes_util
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import errno
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import socket
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@ -30,6 +32,15 @@ LOG = logging.getLogger(__name__)
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_IP_VERSION_FAMILY_MAP = {4: socket.AF_INET, 6: socket.AF_INET6}
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_CDLL = None
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def _get_cdll():
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global _CDLL
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if not _CDLL:
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_CDLL = ctypes.CDLL(ctypes_util.find_library('c'), use_errno=True)
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return _CDLL
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def _get_scope_name(scope):
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"""Return the name of the scope (given as a number), or the scope number
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@ -423,7 +434,7 @@ def create_netns(name, **kwargs):
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:param name: The name of the namespace to create
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"""
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try:
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netns.create(name, **kwargs)
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netns.create(name, libc=_get_cdll())
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except OSError as e:
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if e.errno != errno.EEXIST:
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raise
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@ -436,7 +447,7 @@ def remove_netns(name, **kwargs):
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:param name: The name of the namespace to remove
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"""
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try:
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netns.remove(name, **kwargs)
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netns.remove(name, libc=_get_cdll())
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except OSError as e:
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if e.errno != errno.ENOENT:
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raise
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