Add wordpress_cron to monitore WordPress plugin's update.

README.md

@@ -7,6 +7,7 @@
     * [Proxmox](#proxmox)
     * [Grav](#grav)
     * [Sesame2mail](#sesame2mail)
+    * [WordPress](#wordpress)
 
 
 ## Overview
@@ -30,7 +31,6 @@ This script must be used as a vzdump's hook (the backup utility for CT and VMs f
 3. Customization :
   * If you don't store template in the default path (**/mnt/zfsbkp/template/cache**), please edit the variable **$TEMPLATE_DIR** in the script.
 
-
 ### Grav
 
 #### grav_cron
@@ -39,7 +39,6 @@ A daily cron to check if [Grav][grav website] got available updates.
   * If an update is available, it will create a empty file (${GRAV_ROOT}/logs/update), else it will ensure the "update" file is removed.
     * Be sure to monitore if **${GRAV_ROOT}/logs/update** exist.
 
-
 [grav website]: https://getgrav.org/
 
 ### Sesame2mail
@@ -49,3 +48,15 @@ Give a user's mail address from it's user ID (sesame).
 The first argument can be :
 * A file with a list of user ID (sesame), one per line.
 * A user ID (sesame), only one.
+
+### WordPress
+
+#### wordpress_cron
+A daily cron to check [WordPress][wordpress website]'s plugins got available update.
+  * It need [**wp-cli**][wp-cli website] tool.
+  * If an update is available, it will create a empty file (${WP_ROOT}/.update), else it will ensure the "update" file is absent.
+    * So, be sure to monitore if the file **${WP_ROOT}/.update** exists !
+
+[wordpress website]: https://wordpress.org/
+[wp-clie website]: https://make.wordpress.org/cli/handbook/installing/
+

wordpress_cron

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# This script do the following :
+#	Use wp-cli (https://make.wordpress.org/cli/handbook/installing/)
+#	Verify if an update is available for WordPress plugins.
+#		Create a file you need to monitore.
+
+WP_ROOT="/var/www/wordpress"
+WP_CLI_PATH="/usr/local/bin/wp"
+WP_UPDATE_LOG="${WP_ROOT}/.update"
+
+if [ ! -d "${WP_ROOT}" ]; then
+	printf '%b' "${WP_ROOT} does not seem to be a WordPress install.\n"
+	exit 1
+fi
+
+if [ ! -d "${WP_CLI_PATH}" ]; then
+	printf '%b' "${WP_CLI_PATH} does not seem to be available.\n"
+	exit 1
+fi
+
+WP_UPDATE=$(sudo -u www-data -- "${WP_CLI_PATH}" --path="${WP_ROOT}" plugin list|grep available)
+
+# Verify if the variable contains something
+if [ -z "${WP_UPDATE}" ]; then
+	#rm -f "${WP_UPDATE_LOG}"
+	printf '%b' "Nothing to do\n"
+else
+	#touch "${WP_UPDATE_LOG}"
+	printf '%b' "Please upgrade\n"
+fi
+
+exit 0