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| author | Sage Weil <sage@inktank.com> | 2012-07-12 09:57:31 -0700 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2012-07-12 10:00:41 -0700 |
| commit | 5ceb7c734af5a05c2e6a60e1f33a8b491cf25cca (patch) | |
| tree | 313ad4a85d67abfe52e4f91953db8c3bf26f88c5 | |
| parent | d1054df6be205ba4df989ee15421e0249d5bc23f (diff) | |
| download | ceph-5ceb7c734af5a05c2e6a60e1f33a8b491cf25cca.tar.gz | |
doc: fix config metavariables discussion
Signed-off-by: Sage Weil <sage@inktank.com>
| -rw-r--r-- | doc/dev/config.rst | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/doc/dev/config.rst b/doc/dev/config.rst index a4fdb49b169..49eda359a4d 100644 --- a/doc/dev/config.rst +++ b/doc/dev/config.rst @@ -39,14 +39,14 @@ A sample configuration file can be found in src/sample.ceph.conf. Metavariables ============= -The configuration system supports certain "metavariables." If these occur -inside a configuration value, they are expanded into something else-- similar to -how bash shell expansion works. +The configuration system allows any configuration value to be +substituted into another value using the ``$varname`` syntax, similar +to how bash shell expansion works. -There are a few different metavariables: +A few additional special metavariables are also defined: - $host: expands to the current hostname - - $type: expands to one of "mds", "osd", or "mon" - - $id: expands to the daemon identifier. For osd.0, this would be "0"; for mds.a, it would be "a" + - $type: expands to one of "mds", "osd", "mon", or "client" + - $id: expands to the daemon identifier. For ``osd.0``, this would be ``0``; for ``mds.a``, it would be ``a``; for ``client.admin``, it would be ``admin``. - $num: same as $id - $name: expands to $type.$id |