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repmgr/doc/configuration-file.sgml
2017-10-26 18:57:29 +09:00

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<sect1 id="configuration-file" xreflabel="configuration file location">
<indexterm>
<primary>repmgr.conf</primary>
<secondary>location</secondary>
</indexterm>
<indexterm>
<primary>configuration</primary>
<secondary>repmgr.conf location</secondary>
</indexterm>
<title>Configuration file location</title>
<para>
<application>repmgr</application> and <application>repmgrd</application>
use a common configuration file, by default called
<filename>repmgr.conf</filename> (although any name can be used if explicitly specified).
<filename>repmgr.conf</filename> must contain a number of required parameters, including
the database connection string for the local node and the location
of its data directory; other values will be inferred from defaults if
not explicitly supplied. See section <xref linkend="configuration-file-settings">
for more details.
</para>
<para>
The configuration file will be searched for in the following locations:
<itemizedlist spacing="compact" mark="bullet">
<listitem>
<para>a configuration file specified by the <literal>-f/--config-file</literal> command line option</para>
</listitem>
<listitem>
<para>
a location specified by the package maintainer (if <application>repmgr</application>
as installed from a package and the package maintainer has specified the configuration
file location)
</para>
</listitem>
<listitem>
<para><filename>repmgr.conf</filename> in the local directory</para>
</listitem>
<listitem>
<para><filename>/etc/repmgr.conf</filename></para>
</listitem>
<listitem>
<para>the directory reported by <application>pg_config --sysconfdir</application></para>
</listitem>
</itemizedlist>
</para>
<para>
Note that if a file is explicitly specified with <literal>-f/--config-file</literal>,
an error will be raised if it is not found or not readable, and no attempt will be made to
check default locations; this is to prevent <application>repmgr</application> unexpectedly
reading the wrong configuraton file.
</para>
<note>
<para>
If providing the configuration file location with <literal>-f/--config-file</literal>,
avoid using a relative path, particularly when executing <xref linkend="repmgr-primary-register">
and <xref linkend="repmgr-standby-register">, as &repmgr; stores the configuration file location
in the repmgr metadata for use when &repmgr; is executed remotely (e.g. during
<xref linkend="repmgr-standby-switchover">). &repmgr; will attempt to convert the
a relative path into an absolute one, but this may not be the same as the path you
would explicitly provide (e.g. <filename>./repmgr.conf</filename> might be converted
to <filename>/path/to/./repmgr.conf</filename>, whereas you'd normally write
<filename>/path/to/repmgr.conf</filename>).
</para>
</note>
</sect1>