Make pxc-strict-mode configurable via charm
PXC5.7, which is default one on bionic, introduces the new config option, pxc_stric_mode, which is set to 'enforcing' by default. This, however, prevents installing older versions of Openstack with PXC5.7 on bionic (use case is, of course, testing). This change makes pxc-strict-mode configurable via the charm, and it defaults it to 'enforcing', but user can change it at hers or his desire. This option is going to be ignored on PXC installed on series less than bionic. Change-Id: I7d82e8bea2e75da6159b5baf2e88f2bd44ce84b3
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config.yaml
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config.yaml
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@ -227,6 +227,16 @@ options:
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implication of this is one can set configuration values that could lead
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to memory exhaustion during run time as memory is not allocated at
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startup time.
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pxc-strict-mode:
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type: string
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default: enforcing
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description: |
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Configures pxc_strict_mode (https://www.percona.com/doc/percona-xtradb-cluster/LATEST/features/pxc-strict-mode.html)
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Valid values are 'disabled', 'permissive', 'enforcing' and 'master.'
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Defaults to 'enforcing', as this is what PXC5.7 on bionic (and above)
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does.
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This option is ignored on PXC < 5.7 (xenial defaults to 5.6, trusty
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defaults to 5.5)
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tuning-level:
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type: string
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default: safest
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@ -216,7 +216,7 @@ def render_config(hosts=None):
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context['default_storage_engine'] = 'InnoDB'
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context['wsrep_log_conflicts'] = True
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context['innodb_autoinc_lock_mode'] = '2'
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context['pxc_strict_mode'] = 'ENFORCING'
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context['pxc_strict_mode'] = config('pxc-strict-mode')
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context.update(PerconaClusterHelper().parse_config())
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render(os.path.basename(config_file), config_file, context, perms=0o444)
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