Some documentations (README files).

README.delete-user

@@ -17,10 +17,88 @@
 
 # Permanently delete a user and all related information, including posts from the database.
 #
-#    mattermost user delete <users>
+# Requirement:
+#    Set "EnableAPIUserDeletion" to "true" in file /opt/mattermost/config/config.json and restart mattermost
+#
+#     /opt/mattermost/bin/mmctl user delete <users>
 #
 # Note:
 #    Does not delete content from the file storage. You can manually delete all file uploads 
 #    for a given user as uploads contain the CreatorId field. User profile pictures are stored 
 #    in data/users/<userid>/profile.png.
 
+
+# Set "EnableAPIUserDeletion" to "true" in file /opt/mattermost/config/config.json
+#
+perl -i -n -p -e "s/^(\s*\"EnableAPIUserDeletion\":).*$/\1 true,/" /opt/mattermost/config/config.json
+
+# Restart Mattermost
+#
+systemctl restart mattermost
+
+usr_to_delete="
+   a.marinou-strohm
+   angelika
+   bennie
+   clarissa
+   david
+   fabian
+   georg
+   hanna
+   hannahnieswand
+   leonie
+   leoniestetter
+   lilian
+   lisa
+   lsachenbacher
+   ludwig
+   klaudia
+   mads
+   owain
+   stina
+   tim_vallee
+   viktar
+"
+
+clear
+echo ""
+for _user in $usr_to_delete ; do
+   echo ""
+   echo $_user
+   if $(mmctl user list 2> /dev/null | grep -q $_user) ; then
+      echo -n "   Delete user '$_user' [yes/no]: "
+      read OK
+      OK="${OK,,}"
+      while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+         echo -n "   Wrong answer  - repeat [yes/no]: "
+         read OK
+         OK="${OK,,}"
+      done 
+
+      if [[ $OK = "yes" ]] ; then
+
+         # Delete user
+         #
+         /opt/mattermost/bin/mmctl user delete $_user --confirm > /dev/null 2>&1
+
+         if [[ $? -ne 0 ]]; then
+            echo -e "   [ \033[31m\033[1mError\033[m ] Deleting user '$_user' failed!"
+         else
+            echo -e "   [ \033[32m\033[1mInfo\033[m ] User '$_user' was deleted."
+         fi
+      else
+         echo -e "   [ \033[33m\033[1mWarning\033[m ] User '$_user' was omitted"
+      fi
+   else
+      echo -e "   [ \033[31m\033[1mError\033[m ] User '$_user' not found!"
+   fi
+done
+
+# Set "EnableAPIUserDeletion" to "false" in file /opt/mattermost/config/config.json
+#
+perl -i -n -p -e "s/^(\s*\"EnableAPIUserDeletion\":).*$/\1 false,/" /opt/mattermost/config/config.json
+
+# Restart Mattermost
+#
+systemctl restart mattermost
+