Bug 35954: Add --status to koha-plack

This adds a --status switch to the koha-plack command.

To test on ktd:
- Copy the script to /usr/sbin, so you run the modified script,
  and not the one installed by Koha:
  $ sudo cp debian/scripts/koha-plack /usr/sbin/
- Stop and start Plack for kohadev like so:
  $ sudo koha-plack --stop kohadev
  $ sudo koha-plack --start kohadev
  And make sure this reports the correct status, both when Plack
  is running and when it is not running:
  $ sudo koha-plack --status kohadev
- Make sure --status is mentioned here:
  $ sudo koha-plack --help
- See https://wiki.koha-community.org/wiki/Testing_man_pages for
  details on how to check the manual page for the command

Signed-off-by: Tadeusz Sośnierz <tadeusz@sosnierz.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
(cherry picked from commit ccd4738e26)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>

debian/docs/koha-plack.xml

@@ -31,6 +31,7 @@
         <option>--reload</option>|
         <option>--enable</option>|
         <option>--disable</option>|
+        <option>--status</option>|
         <option>--help</option>|<option>-h</option>
         |<option>--quiet</option>|<option>-q</option>
       </arg>
@@ -84,6 +85,13 @@
       </listitem>
     </varlistentry>
 
+    <varlistentry>
+      <term><option>--status</option></term>
+      <listitem>
+        <para>Show the status of Plack for the specified instances.</para>
+      </listitem>
+    </varlistentry>
+
     <varlistentry>
       <term><option>--quiet|-q</option></term>
       <listitem>

debian/scripts/koha-plack

@@ -43,7 +43,7 @@ $scriptname
 This script lets you manage the plack daemons for your Koha instances.
 
 Usage:
-$scriptname --start|--stop|--restart|--reload [--quiet|-q] instancename1 [instancename2...]
+$scriptname --start|--stop|--restart|--reload|--status [--quiet|-q] instancename1 [instancename2...]
 $scriptname --enable|--disable instancename1 [instancename2]
 $scriptname -h|--help
 
@@ -55,6 +55,7 @@ $scriptname -h|--help
                           requests before restarting them
     --enable              Enable plack for the specified instances
     --disable             Disable plack for the specified instances
+    --status              Show the status of Plack for the specified instances
     --debugger            Enable running Plack in debug mode
     --debugger-key        Specify the key the IDE is expecting
     --debugger-location   Specify the host:port for your debugger tool (defaults
@@ -192,6 +193,19 @@ reload_plack()
     fi
 }
 
+plack_status()
+{
+    local name=$1
+
+    if is_plack_running ${name}; then
+        log_daemon_msg "Plack running for ${name}"
+        log_end_msg 0
+    else
+        log_daemon_msg "Plack not running for ${name}"
+        log_end_msg 3
+    fi
+}
+
 enable_plack()
 {
     local instancename=$1
@@ -392,6 +406,9 @@ _do_instance() {
         "disable")
             disable_plack $name
             ;;
+        "status")
+            plack_status $name
+            ;;
         *)
             usage
             ;;
@@ -433,6 +450,9 @@ while [ $# -gt 0 ]; do
         --disable)
             set_action "disable"
             shift ;;
+        --status)
+            set_action "status"
+            shift ;;
         --debugger)
             debug_mode="yes"
             shift ;;