postfix: mount usr in rw before copy spam.sh

postfix/tasks/packmail.yml

@@ -87,6 +87,22 @@
   tags:
   - postfix
 
+- name: update ansible_mounts facts
+  setup:
+    filter: ansible_mounts
+  tags:
+  - postfix
+
+- name: mount /usr in rw
+  command: mount -o remount,rw /usr
+  args:
+    warn: no
+  changed_when: false
+  when: item.mount == '/usr' and item.options | match(".*ro.*")
+  with_items: "{{ ansible_mounts }}"
+  tags:
+  - postfix
+
 - name: copy spam.sh script
   copy:
     src: spam.sh