Commit 2618b443 authored by Simon Redman's avatar Simon Redman

Prevent adding IP addresses from failing if run twice

parent 91f0b2aa
......@@ -205,7 +205,19 @@ def add_ULAs_to_hosts(netgraph, ULA_map):
for host_idx in range(len(hostnames)):
script = scripts[host_idx].format(datetime=datetime.datetime.today())
commands.append(SCRIPT_PUSH_AND_EXEC_COMMAND_TEMPLATE.format(script=script))
try:
ssh_helper.run_commands_on_many_hosts(sessions, commands)
except ssh_helper.SSHCommandErrorError as e:
# If the script is being re-run, the nodes will already have the correct IP addresses, which will case an error
while e is not None:
output = str.join(' ', e.output.splitlines()) # Get rid of newlines
if "RTNETLINK answers: File exists" in output:
# No problem
e = e.next
continue
else:
raise
def add_interfaces_to_netgraph(netgraph, ULA_map):
......
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