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[OpenStack Infra <1840638@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/677166
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=4afba466e04fb74c8915f9f1b40686008b2503fb
Submitter: Zuul
Branch:    master

commit 4afba466e04fb74c8915f9f1b40686008b2503fb
Author: zhanghao <zhanghao2@xxxxxxxxxxxxxxxxxxxx>
Date:   Sun Nov 17 20:17:35 2019 -0500

    Make network support read and write separation
    
    When 'slave_connection' is configured in neutron.conf, executing
    the 'neutron port-show' command will read the port information from
    the slave database nodes, but the network will not be able to read
    the information from the slave database nodes.
    
    Change-Id: I572cecace1016740584757e5f926d246ead2d9a0
    Closes-Bug: #1840638


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

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https://bugs.launchpad.net/bugs/1840638

Title:
  network/subnet resources cannot be read and written separated

Status in neutron:
  Fix Released

Bug description:
  openstack environment: 1 controller 1 compute(install mariadb)
  neutron.conf
  [database]
  connection = mysql+pymysql://neutron:***@controller/neutron
  slave_connection = mysql+pymysql://neutron: ***@compute/neutron

  create network(name=net10)、subnet(name=subnet10)、port(name=port01) in
  controller node.

  sync controller node database to compute node.

  update
  network.name=test_net10、subnet.name=test_subnet10、port.name=test_port01
  in compute node database.

  neutron port-show PORT_ID             name:test_port01
  neutron net-show NET_ID               name:net10
  neutron subnet-show SUBNET_ID         name:subnet10

  When slave_connection is configured in neutron.conf, executing the
  'neutron port-show' command will read the port information from the
  slave database nodes, but the network/subnet will not be able to read
  the information from the slave database nodes.

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