Use bindip for mongodb_user

Fixes #103

Author: UnderGreen

molecule/default/molecule.yml

@@ -35,6 +35,7 @@ provisioner:
     host_vars:
       mongo1:
         ansible_python_interpreter: auto_silent
+        mongodb_net_bindip: "{{ hostvars[inventory_hostname].ansible_default_ipv4.address }},127.0.0.1"
         mongodb_master: true
         mongodb_replication_params:
           - host_name: "{{ hostvars[inventory_hostname].ansible_default_ipv4.address }}"

tasks/auth_initialization.yml

@@ -20,6 +20,7 @@
     password: "{{ item.password }}"
     update_password: "{{ mongodb_user_update_password }}"
     roles: "{{ item.roles }}"
+    login_host: "{{ mongodb_net_bindip.split(',') | map('replace', '0.0.0.0', '127.0.0.1') | list  | first }}"
     login_port: "{{ mongodb_net_port | int }}"
   with_items:
     - {
@@ -36,6 +37,7 @@
     password: "{{ item.password }}"
     update_password: "{{ mongodb_user_update_password }}"
     roles: "{{ item.roles }}"
+    login_host: "{{ mongodb_net_bindip.split(',') | map('replace', '0.0.0.0', '127.0.0.1') | list  | first }}"
     login_port: "{{ mongodb_net_port | int }}"
   with_items:
     - {
@@ -52,6 +54,7 @@
     password: "{{ item.password }}"
     update_password: "{{ mongodb_user_update_password }}"
     roles: "{{ item.roles }}"
+    login_host: "{{ mongodb_net_bindip.split(',') | map('replace', '0.0.0.0', '127.0.0.1') | list  | first }}"
     login_port: "{{ mongodb_net_port | int }}"
   with_items:
     - {