[Bug 1499643] Re: ipv6 mode vip mysql grant not added unless vip configured on iface

[Edward Hope-Morley]

Source address selection rules: https://www.ietf.org/rfc/rfc3484.txt

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https://bugs.launchpad.net/bugs/1499643

Title:
  ipv6 mode vip mysql grant not added unless vip configured on iface

Status in ceilometer package in Juju Charms Collection:
  In Progress
Status in cinder package in Juju Charms Collection:
  In Progress
Status in glance package in Juju Charms Collection:
  In Progress
Status in keystone package in Juju Charms Collection:
  In Progress
Status in neutron-api package in Juju Charms Collection:
  In Progress
Status in nova-cloud-controller package in Juju Charms Collection:
  In Progress
Status in swift-proxy package in Juju Charms Collection:
  In Progress

Bug description:
  When using our Openstack charms in ipv6 mode (prefer-ipv6=True) it
  appears that the shared-db relation only adds grants for addresses
  currently configured on the unit interface so if we have configured
  the charm to use a vip but the vip is not yet configured on an
  interface at the time the shared-db relation joins/changes, the vip
  will not be added to the grant list. Current solution is to either
  wait for all vips (corosync resource) to settle before adding shared-
  db relations or re-add the shared-db relation to pick up the vip.

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