By default, master-failover will call "herd start ganeti-wconfd" with
extra arguments such as --force-node.  That does not work with the
Shepherd, so the Guix service has a "force-start" action for this purpose.

diff --git a/lib/bootstrap.py b/lib/bootstrap.py
--- a/lib/bootstrap.py
+++ b/lib/bootstrap.py
@@ -1011,9 +1011,7 @@ def MasterFailover(no_voting=False):
 
   try:
     # Forcefully start WConfd so that we can access the configuration
-    result = utils.RunCmd([pathutils.DAEMON_UTIL,
-                           "start", constants.WCONFD, "--force-node",
-                           "--no-voting", "--yes-do-it"])
+    result = utils.RunCmd(["herd", "force-start", constants.WCONFD])
     if result.failed:
       raise errors.OpPrereqError("Could not start the configuration daemon,"
                                  " command %s had exitcode %s and error %s" %
d></tr>
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<tr><td><span title='2019-09-20 17:24:02 +0200'>2019-09-20</span></td><td><a href='/guix/commit/gnu/packages/node.scm?id=aae65db560bd146ba47774cca46056d72be2a5d4'>gnu: node: Disable tests that fail with openssl@1.1.1d.</a><span class='msg-avail'>...<span class='msg-tooltip'>Work around &lt;https://debbugs.gnu.org/cgi/bugreport.cgi?bug=37386&gt;.

* gnu/packages/node.scm (node)[arguments]: Disable failing tests.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-05-26 19:48:39 +0200'>2019-05-26</span></td><td><a href='/guix/commit/gnu/packages/node.scm?id=7024846181a24e32343d49a192cca4be96b1e1ca'>gnu: node: Update to 10.15.3.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/libevent.scm (libuv-1.19): Remove variable.
* gnu/packages/node.scm (node): Update to 10.15.3.
[source]: Use XZ-compressed tarball.
[arguments]: Add #:test-target.  Use DELETE-FILE instead of DELETE-IF-EXISTS.
Remove obsolete test deletions.
[inputs]: Change OPENSSL to OPENSSL-NEXT.  Change LIBUV-1.19 to LIBUV.
(node-lts): Remove variable.
</span></span></td><td>Marius Bakke</td></tr>