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Fix name of single IB device when provisioning RDMA #2814

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May 8, 2023
Merged

Fix name of single IB device when provisioning RDMA #2814

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23 changes: 14 additions & 9 deletions azurelinuxagent/common/rdma.py
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Original file line number Diff line number Diff line change
Expand Up @@ -419,28 +419,33 @@ def update_iboip_interfaces(self, mac_ip_array):

@staticmethod
def update_iboip_interface(ipv4_addr, timeout_sec, check_interval_sec):
logger.info("Wait for ib0 become available")
logger.info("Wait for ib become available")
total_retries = timeout_sec / check_interval_sec
n = 0
found_ib0 = None
while not found_ib0 and n < total_retries:
found_ib = None
while not found_ib and n < total_retries:
ret, output = shellutil.run_get_output("ifconfig -a")
if ret != 0:
raise Exception("Failed to list network interfaces")
found_ib0 = re.search("ib0", output, re.IGNORECASE)
if found_ib0:
found_ib = re.search(r"(ib\S+):", output, re.IGNORECASE)
if found_ib:
break
time.sleep(check_interval_sec)
n += 1

if not found_ib0:
raise Exception("ib0 is not available")
if not found_ib:
raise Exception("ib is not available")

ibname = found_ib.groups()[0]
if shellutil.run("ifconfig {0} up".format(ibname)) != 0:
raise Exception("Could not run ifconfig {0} up".format(ibname))

netmask = 16
logger.info("RDMA: configuring IPv4 addr and netmask on ipoib interface")
addr = '{0}/{1}'.format(ipv4_addr, netmask)
if shellutil.run("ifconfig ib0 {0}".format(addr)) != 0:
raise Exception("Could set addr to {0} on ib0".format(addr))
if shellutil.run("ifconfig {0} {1}".format(ibname, addr)) != 0:
raise Exception("Could not set addr to {0} on {1}".format(addr, ibname))

logger.info("RDMA: ipoib address and netmask configured on interface")

@staticmethod
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