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[vm_topology]: delete existing vm injected interface if exists #2486

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Merged
lguohan merged 1 commit into from
Nov 8, 2020
Merged

[vm_topology]: delete existing vm injected interface if exists #2486

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5 changes: 5 additions & 0 deletions ansible/roles/vm_set/library/vm_topology.py
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Original file line number Diff line number Diff line change
Expand Up @@ -377,6 +377,11 @@ def add_veth_if_to_docker(self, ext_if, int_if):

t_int_if = hashlib.md5((PTF_NAME_TEMPLATE % self.vm_set_name).encode("utf-8")).hexdigest()[0:6] + int_if + '_t'

if t_int_if in self.host_ifaces:
VMTopology.cmd("ip link del dev %s" % t_int_if)

self.update()

if ext_if not in self.host_ifaces:
VMTopology.cmd("ip link add %s type veth peer name %s" % (ext_if, t_int_if))

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