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repmgrd: enable package to supply default PID file path

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Also add documentation for packagers about paths which can be patched
as default package values.
This commit is contained in:
Ian Barwick
2018-07-13 10:26:47 +09:00
parent 8b059bc9b0
commit 388ac2f392
3 changed files with 72 additions and 9 deletions
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19
doc/repmgrd-configuration.sgml
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@@ -170,11 +170,15 @@
running <application>repmgrd</application> daemon.
</para>
<sect2 id="repmgrd-pid-file">
<sect2 id="repmgrd-pid-file" xreflabel="repmgrd's PID file">
<indexterm>
<primary>repmgrd</primary>
<secondary>PID file</secondary>
</indexterm>
<indexterm>
<primary>PID file</primary>
<secondary>repmgrd</secondary>
</indexterm>
<title>repmgrd's PID file</title>
<para>
<application>repmgrd</application> will generate a PID file by default.
@@ -197,16 +201,21 @@
<option>--pid-file</option> may be deprecated in future releases.
</para>
<para>
If no PID file is specified, <application>repmgrd</application> will create one
in the operating system's temporary directory (determined by the environment variable
<varname>TMPDIR</varname>, or if that is not set, will use <filename>/tmp</filename>.
If a PID file location was specified by the package maintainer, <application>repmgrd</application>
will use that. This only applies if &repmgr; was installed from a package and the package
maintainer has specified the PID file location.
</para>
<para>
If none of the above apply, <application>repmgrd</application> will create a PID file
in the operating system's temporary directory (das etermined by the environment variable
<varname>TMPDIR</varname>, or if that is not set, will use <filename>/tmp</filename>).
</para>
<para>
To prevent a PID file being generated at all, provide the command line option
<option>--no-pid-file</option>.
</para>
<para>
To see which PID file would use, execute <application>repmgrd</application>
To see which PID file <application>repmgrd</application> would use, execute <application>repmgrd</application>
with the option <option>--show-pid-file</option>. <application>repmgrd</application>
will not start if this option is provided. Note that the value shown is the
file <application>repmgrd</application> would use next time it starts, and is