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repmgr: cluster check commands - non-zero exit code if node(s) unavailable

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Return ERR_CLUSTER_CHECK if one or nodes was not reachable.

Implements GitHub #447.
This commit is contained in:
Ian Barwick
2018-06-11 12:39:35 +09:00
parent 69d7b6f7eb
commit e94a6eefde
8 changed files with 118 additions and 21 deletions
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51
doc/appendix-release-notes.sgml
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@@ -28,6 +28,40 @@
for more details.
</para>
<sect2>
<title>Usability enhancements</title>
<para>
<itemizedlist>
<listitem>
<para>
<command><link linkend="repmgr-cluster-crosscheck">repmgr cluster crosscheck</link></command> and
<command><link linkend="repmgr-cluster-matrix">repmgr cluster matrix</link></command>:
return non-zero exit code if node connection issues detected (GitHub #447)
</para>
</listitem>
<listitem>
<para>
<command><link linkend="repmgr-standby-clone">repmgr standby clone</link></command>:
Improve handling of external configuration file copying, including consideration in
<option>--dry-run</option> check
(GitHub #443)
</para>
</listitem>
<listitem>
<para>
When using <option>--dry-run</option>, force log level to <literal>INFO</literal>
to ensure output will always be displayed
(GitHub #441)
</para>
</listitem>
</itemizedlist>
</para>
</sect2>
<sect2>
<title>Bug fixes</title>
<para>
@@ -51,15 +85,6 @@
</listitem>
<listitem>
<para>
<command><link linkend="repmgr-standby-clone">repmgr standby clone</link></command>:
Improve handling of external configuration file copying, including consideration in
<option>--dry-run</option> check
(GitHub #443)
</para>
</listitem>
<listitem>
<para>
<command><link linkend="repmgr-standby-clone">repmgr standby clone</link></command>:
@@ -84,14 +109,6 @@
</para>
</listitem>
<listitem>
<para>
When using <option>--dry-run</option>, force log level to <literal>INFO</literal>
to ensure output will always be displayed
(GitHub #441)
</para>
</listitem>
<listitem>
<para>
<application>repmgrd</application>: ensure local node is counted as quorum member

29
doc/repmgr-cluster-crosscheck.sgml
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@@ -38,5 +38,34 @@
and therefore determine the state of outbound connections from that node.
</para>
</refsect1>
<refsect1>
<title>Exit codes</title>
<para>
Following exit codes can be emitted by <command>repmgr cluster crosscheck</command>:
</para>
<variablelist>
<varlistentry>
<term><option>SUCCESS (0)</option></term>
<listitem>
<para>
The check completed successfully and all nodes are reachable.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>ERR_CLUSTER_CHECK (25)</option></term>
<listitem>
<para>
One or more nodes could not be reached.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>

30
doc/repmgr-cluster-matrix.sgml
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@@ -97,5 +97,35 @@
useful result.
</para>
</refsect1>
<refsect1>
<title>Exit codes</title>
<para>
Following exit codes can be emitted by <command>repmgr cluster matrix</command>:
</para>
<variablelist>
<varlistentry>
<term><option>SUCCESS (0)</option></term>
<listitem>
<para>
The check completed successfully and all nodes are reachable.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>ERR_CLUSTER_CHECK (25)</option></term>
<listitem>
<para>
One or more nodes could not be reached.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>

4
doc/repmgr-standby-switchover.sgml
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@@ -199,7 +199,7 @@
<refsect1>
<title>Exit codes</title>
<para>
Following exit codes can be emitted by <literal>repmgr standby switchover</literal>:
Following exit codes can be emitted by <command>repmgr standby switchover</command>:
</para>
<variablelist>
@@ -227,7 +227,7 @@
<para>
The switchover was executed but a problem was encountered.
Typically this means the former primary could not be reattached
as a standby.
as a standby. Check preceding log messages for more information.
</para>
</listitem>
</varlistentry>

2
doc/version.sgml
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@@ -1 +1 @@
<!ENTITY repmgrversion "4.0.5">
<!ENTITY repmgrversion "4.0.6">