Fix create sasl account before config file is ready

Add checking for container readiness before create sasl user

Closes-Bug: #2015589
Change-Id: Ic650ba6be1f192e3cbeaa94de3d00507636c1c92

ansible/roles/nova-cell/handlers/main.yml

@@ -93,7 +93,7 @@
   vars:
     service_name: "nova-libvirt"
     service: "{{ nova_cell_services[service_name] }}"
-    nova_libvirt_notify: "{{ ['Create libvirt SASL user'] if libvirt_enable_sasl | bool else [] }}"
+    nova_libvirt_notify: "{{ ['Checking libvirt container is ready', 'Create libvirt SASL user'] if libvirt_enable_sasl | bool else [] }}"
   become: true
   kolla_docker:
     action: "recreate_or_restart_container"
@@ -115,6 +115,18 @@
     - kolla_action != "config"
   notify: "{{ nova_libvirt_notify }}"
 
+  # need to wait kolla_set_configs script to overwrite sasl config file
+- name: Checking libvirt container is ready
+  become: true
+  shell:
+    cmd: >
+      set -o pipefail &&
+      {{ kolla_container_engine }} exec -i nova_libvirt ls /run/libvirtd.pid
+    executable: /bin/bash
+  register: libvirt_container_ready
+  until: libvirt_container_ready is succeeded
+  retries: 10
+
 # The SASL user needs to exist in order for nova-compute to start successfully.
 - name: Create libvirt SASL user
   become: true

releasenotes/notes/bug-2015589-94427c14cd857c98.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixes create sasl account before config file is ready.
+    `LP#2015589 <https://launchpad.net/bugs/2015589>`__