Attempt to port the actions from the AIO in proper charms

charms/trusty/clearwater-homestead/actions.yaml

@@ -0,0 +1,19 @@
+create-update-user:
+  description: Create a user, or update a user if they already exist.
+  params:
+    number:
+      description: The number to provision
+      type: string
+    password:
+      description: The number's password
+      type: string
+  required: [number, password]
+  additionalProperties: false
+delete-user:
+  description: Delete a user.  If the user does not exist, this is still considered success.
+  params:
+    number:
+      description: The number to provision
+      type: string
+  required: [number]
+  additionalProperties: false

charms/trusty/clearwater-homestead/actions/create-update-user

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -ex
+
+# Get the configuration and action parameters.
+home_domain=$(config-get zone)
+number=$(action-get number)
+password=$(action-get password)
+
+
+# If the user doesn't exist, try to create them.  Otherwise, try to update them.
+if ! sudo -S /usr/share/clearwater/bin/display_user $number $home_domain ; 
+then
+    echo "Subscriber doesn't exist - creating"
+    sudo -S /usr/share/clearwater/bin/create_user $number $home_domain $password
+else
+  echo "Subscriber exists - updating"
+  sudo -S /usr/share/clearwater/bin/update_user $number $home_domain --password $password
+fi

charms/trusty/clearwater-homestead/actions/delete-user

@@ -0,0 +1,9 @@
+#!/bin/bash
+set -e
+
+# Get the configuration and action parameters.
+home_domain=$(config-get zone)
+number=$(action-get number)
+
+# Delete the user.
+sudo -S /usr/share/clearwater/bin/delete_user -y $number $home_domain