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authorMichele Baldessari <michele@acksyn.org>2017-02-09 10:53:06 +0100
committerMichele Baldessari <michele@acksyn.org>2017-02-17 17:21:03 +0100
commitf6116ff0f350aeecdaa346e4e49d208be49ce6b9 (patch)
tree7e3a5916b56ecad5247ac21f5d21431f2e84d8ae /lib
parent6be941d2a7f830c726a542a1932b60dedc58c605 (diff)
Create /etc/my.cnf.d/tripleo.cnf with proper bind-address
When fixing LP#1643487 we added ?bind_address to all DB URIs. Since this clashes with Cellsv2 due to the URIs becoming host dependent, we need a new approach to pass bind_address to pymysql that leaves the DB URIs host-independent. We first create a /etc/my.cnf.d/tripleo.cnf file with a [tripleo] section and in this section we add the correct bind-address option. Note that we use the puppet augeas lens and not the mysql one because the mysql one does not support custom sections *and* there are older versions around which do not like the /etc/my.cnf.d/* path. The reason for not reusing an existing mariadb file (my.cnf or galera.cnf) is that pymysql's ini file support is not robust enough at the moment: https://github.com/PyMySQL/PyMySQL/issues/548 The reason for putting this file creation code only on the controller nodes the following: The slow VIP failover only happens if a service runs where the VIPs exist. The VIPs get created in the haproxy profile and that is why in order to have fast VIP failovers the MySQLClient profile must live where the Haproxy service is running. Co-Authored-By: Damien Ciabrini <dciabrin@redhat.com> Partial-Bug: #1663181 Change-Id: Iff8bd2d9ee85f7bb1445aa2e1b3cfbff1f397b18
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