openstack/kolla-ansible
Code Issues Proposed changes

Fix MariaDB galera IPv6 deployment on CentOS 7

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CentOS 7 uses old galera which has multiple issues handling
IPv6 addressing.
This patch applies two workarounds for CentOS 7.

Co-Authored-By: Jeffrey Zhang <jeffrey.zhang@99cloud.net>
Co-Authored-By: Radosław Piliszek <radoslaw.piliszek@gmail.com>
Change-Id: I7c178aba60c389e65075e0e6cbe4dfa5b8ce06ec
Closes-Bug: #1856532
Signed-off-by: yj.bai <bai.yongjun@99cloud.net>
This commit is contained in:
yj.bai 2019-12-16 17:05:09 +08:00 committed by Radosław Piliszek
parent 8e4556f020
commit 908bffcfc2
1 changed files with 13 additions and 0 deletions
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13
ansible/roles/mariadb/templates/galera.cnf.j2
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@ -28,10 +28,23 @@ datadir=/var/lib/mysql/
wsrep_cluster_address=gcomm://{% if (groups['mariadb'] | length) > 1 %}{% for host in groups['mariadb'] %}{{ 'api' | kolla_address(host) | put_address_in_context('url') }}:{{ mariadb_wsrep_port }}{% if not loop.last %},{% endif %}{% endfor %}{% endif %}
{% if api_address_family == 'ipv6' and kolla_base_distro == 'centos' %}
# FIXME(jeffrey4l): Revert when using C8 (CentOS+Ussuri)
# Use [::] to avoid galera issue.
# for more info see https://github.com/codership/galera/issues/534#issuecomment-472607544
wsrep_provider_options=gmcast.listen_addr=tcp://[::]:{{ mariadb_wsrep_port }};ist.recv_addr={{ api_interface_address | put_address_in_context('url') }}:{{ mariadb_ist_port }}
{% else %}
wsrep_provider_options=gmcast.listen_addr=tcp://{{ api_interface_address | put_address_in_context('url') }}:{{ mariadb_wsrep_port }};ist.recv_addr={{ api_interface_address | put_address_in_context('url') }}:{{ mariadb_ist_port }}
{% endif %}
wsrep_node_address={{ api_interface_address | put_address_in_context('url') }}:{{ mariadb_wsrep_port }}
{% if api_address_family == 'ipv6' and kolla_base_distro == 'centos' %}
# FIXME(yj.bai): Revert when using C8 (CentOS+Ussuri)
# Use IPv6-resolvable hostname to avoid galera issue.
wsrep_sst_receive_address={{ ansible_hostname }}:{{ mariadb_sst_port }}
{% else %}
wsrep_sst_receive_address={{ api_interface_address | put_address_in_context('url') }}:{{ mariadb_sst_port }}
{% endif %}
wsrep_provider={{ wsrep_driver }}
wsrep_cluster_name="{{ database_cluster_name }}"