feat(systemd): Allow to customize systemctl reload command (#38)

certhub · Jul 4, 2019 · 9ea6972 · 9ea6972
1 parent dc6f819
commit 9ea6972
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diff --git a/doc/certhub-cert-reload@.service.8.rst b/doc/certhub-cert-reload@.service.8.rst
@@ -29,6 +29,12 @@ Environment
    Path to a file containing the services to reload. Defaults to:
    ``/etc/certhub/%i.services-reload.txt``
 
+.. envvar:: CERTHUB_CERT_RELOAD_COMMAND
+
+   A systemctl subcommand to execute when a service needs to be reloaded.
+   Useful values include ``reload``, ``restart``, ``try-restart``,
+   ``reload-or-restart``, ``try-reload-or-restart``. Defaults to ``reload``.
+
 
 Files
 -----

diff --git a/lib/systemd/certhub-cert-reload@.service b/lib/systemd/certhub-cert-reload@.service
@@ -6,7 +6,7 @@ Type=oneshot
 
 ExecStart=/usr/bin/env \
     xargs -a ${CERTHUB_CERT_RELOAD_CONFIG} -I{} \
-    systemctl reload {}
+    systemctl ${CERTHUB_CERT_RELOAD_COMMAND} {}
 
 SyslogIdentifier=certhub-cert-reload
 StandardOutput=syslog

diff --git a/lib/systemd/certhub-cert-reload@.service.d/reload.conf b/lib/systemd/certhub-cert-reload@.service.d/reload.conf
@@ -0,0 +1 @@
+../dropins/reload.conf
diff --git a/lib/systemd/dropins/reload.conf b/lib/systemd/dropins/reload.conf
@@ -0,0 +1,8 @@
+[Service]
+
+# CERTHUB_CERT_RELOAD_COMMAND
+# A systemctl subcommand to execute when a service needs to be reloaded.
+# Useful values include `reload`, `restart`, `try-restart`,
+# `reload-or-restart`, `try-reload-or-restart`
+#
+Environment=CERTHUB_CERT_RELOAD_COMMAND=reload