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-rw-r--r--ironic/conf/default.py14
1 files changed, 9 insertions, 5 deletions
diff --git a/ironic/conf/default.py b/ironic/conf/default.py
index 79d1079eb..476e7b861 100644
--- a/ironic/conf/default.py
+++ b/ironic/conf/default.py
@@ -265,11 +265,15 @@ service_opts = [
cfg.StrOpt('pin_release_version',
choices=versions.RELEASE_VERSIONS,
# TODO(xek): mutable=True,
- help=_('Used for rolling upgrades. Setting this option '
- 'downgrades the internal ironic RPC communication to '
- 'the specified version to enable communication with '
- 'older services. When doing a rolling upgrade from '
- 'version X to version Y, set this to X. Defaults to '
+ help=_('WARNING: This configuration option is part of the '
+ 'incomplete rolling upgrades work; changing this '
+ 'value has no effect. '
+ 'Used for rolling upgrades. Setting this option '
+ 'downgrades (or pins) the internal ironic RPC '
+ 'communication to the specified version to enable '
+ 'communication with older services. When doing a '
+ 'rolling upgrade from version X to version Y, set (pin) '
+ 'this to X. To unpin, leave it unset. Defaults to '
'using the newest possible RPC behavior.')),
]