[Bug 2015090] Re: neutron.agent.dhcp.agent TypeError: 'bool' object is not subscriptable

[OpenStack Infra]

Reviewed:  https://review.opendev.org/c/openstack/neutron/+/884674
Committed: https://opendev.org/openstack/neutron/commit/a9323f0325cc4227ca6f1f0316913aa7a2d315f5
Submitter: "Zuul (22348)"
Branch:    master

commit a9323f0325cc4227ca6f1f0316913aa7a2d315f5
Author: Sahid Orentino Ferdjaoui <sahid.ferdjaoui at industrialdiscipline.com>
Date:   Tue May 30 12:09:56 2023 +0200

    dhcp/agent: fix 'get_metadata_bind_interface' driver call
    
    The 'get_metadata_bind_interface' driver call has a different behavior
    than other methods, it is expected to return metadata interface name.
    When introduced multisegments support this particularity was not taken
    into account.
    
    The fix is making the call acceptable in the purpose of the current
    driver interface.
    
    Closes-bug: #2015090
    Signed-off-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui at industrialdiscipline.com>
    Change-Id: I08e686397238685c11b0de818caa399d69da04fd


** Changed in: neutron
       Status: In Progress => Fix Released

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Title:
  neutron.agent.dhcp.agent TypeError: 'bool' object is not subscriptable

Status in OpenStack Neutron Open vSwitch Charm:
  Invalid
Status in neutron:
  Fix Released
Status in neutron package in Ubuntu:
  New

Bug description:
  In a fresh environment running Antelope (on top of Ubuntu 22.04), with
  a DVR configuration (neutron-dhcp-agent and neutron-metadata-agent
  running on compute nodes) the metadata service is not available
  instances, this is an environment using neutron-openvswitch
  environment (not OVN), when looking into the logs the stacktrace below
  indicates an unexpected data type.

  [Stacktrace]

  2023-03-31 19:35:06.093 58625 DEBUG neutron.agent.dhcp.agent [-] Calling driver for network: 6d246d86-11b5-4d5f-aa9c-c2bcbcc28b62/seg=None action: get_metadata_bind_interface _call_driver /usr/lib/python3/dist-packages/neutron/agent/dhcp/agent.py:242
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent [-] 'bool' object is not subscriptable: TypeError: 'bool' object is not subscriptable
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent Traceback (most recent call last):
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/common/utils.py", line 182, in call
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     return func(*args, **kwargs)
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/agent/dhcp/agent.py", line 434, in safe_configure_dhcp_for_network
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     self.configure_dhcp_for_network(network)
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/osprofiler/profiler.py", line 159, in wrapper
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     result = f(*args, **kwargs)
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/agent/dhcp/agent.py", line 447, in configure_dhcp_for_network
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     self.update_isolated_metadata_proxy(network)
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/osprofiler/profiler.py", line 159, in wrapper
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     result = f(*args, **kwargs)
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/agent/dhcp/agent.py", line 763, in update_isolated_metadata_proxy
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     self.enable_isolated_metadata_proxy(network)
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/osprofiler/profiler.py", line 159, in wrapper
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     result = f(*args, **kwargs)
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/agent/dhcp/agent.py", line 819, in enable_isolated_metadata_proxy
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     metadata_driver.MetadataDriver.spawn_monitored_metadata_proxy(
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/agent/metadata/driver.py", line 244, in spawn_monitored_metadata_proxy
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     ip_lib.IpAddrCommand(
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/agent/linux/ip_lib.py", line 609, in wait_until_address_ready
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     common_utils.wait_until_true(
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/common/utils.py", line 744, in wait_until_true
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     while not predicate():
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/agent/linux/ip_lib.py", line 594, in is_address_ready
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     addr_info = self.list(to=address)[0]
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/agent/linux/ip_lib.py", line 574, in list
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     devices = get_devices_with_ip(self._parent.namespace, name=self.name,
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/agent/linux/ip_lib.py", line 431, in name
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     return self._parent.name
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python3/dist-packages/neutron/agent/linux/ip_lib.py", line 416, in name
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent     return self._name[:constants.DEVICE_NAME_MAX_LEN]
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent TypeError: 'bool' object is not subscriptable
  2023-03-31 19:35:06.095 58625 ERROR neutron.agent.dhcp.agent
  2023-03-31 19:35:06.099 58625 INFO neutron.agent.dhcp.agent [None req-4298bc12-95ea-476c-8503-7258e4454721 - - - - - -] Synchronizing state complete

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