Fix interface lookup

defaults/main.yml

@@ -101,10 +101,11 @@ galera_reconfigure_galera: false
 
 # Define interface in which to bind
 # ex. eth0|eth1|enp0s3|enp0s8
+# ex. dynamic: "{{ ansible_default_ipv4['interface'] }}"
 galera_cluster_bind_interface: "eth0"
 
 # Define bind address for galera cluster
-galera_cluster_bind_address: "{{ hostvars[inventory_hostname]['ansible_' + galera_cluster_bind_interface]['ipv4']['address'] }}"
+galera_cluster_bind_address: "{{ ansible_default_ipv4['address'] }}"
 
 # Defines wsrep node address
 galera_wsrep_node_address: "{{ galera_cluster_bind_address }}:{{ galera_wsrep_node_address_port }}"

molecule/shared/converge.yml

@@ -2,6 +2,11 @@
 - name: Converge
   hosts: all
   tasks:
+    - name: Include default vars
+      ansible.builtin.include_vars:
+        dir: '{{ lookup("env", "MOLECULE_PROJECT_DIRECTORY") }}/defaults/'
+        extensions:
+          - 'yml'
     - name: Include ansible-mariadb-galera-cluster
       include_role:
         name: ansible-mariadb-galera-cluster

molecule/shared/side_effect.yml

@@ -4,6 +4,11 @@
   vars:
     mariadb_mysql_root_password: 'password'
   tasks:
+    - name: Include default vars
+      ansible.builtin.include_vars:
+        dir: '{{ lookup("env", "MOLECULE_PROJECT_DIRECTORY") }}/defaults/'
+        extensions:
+          - 'yml'
     - name: Include ansible-mariadb-galera-cluster
       include_role:
         name: ansible-mariadb-galera-cluster

templates/etc/my.cnf.d/server.cnf.j2

@@ -48,7 +48,7 @@ wsrep_provider={{ galera_wsrep_provider }}
 wsrep_cluster_name="{{ galera_cluster_name }}"
 {% set _galera_cluster_node_addresses = [] %}
 {% for node in galera_cluster_nodes %}
-{%   set _ = _galera_cluster_node_addresses.append( hostvars[node]['galera_cluster_bind_address'] | default(hostvars[node]['ansible_' ~ galera_cluster_bind_interface]['ipv4']['address']) | mandatory ) %}
+{%   set _ = _galera_cluster_node_addresses.append( hostvars[node]['galera_cluster_bind_address'] | default(hostvars[node]['ansible_' ~ hostvars[node]['galera_cluster_bind_interface']]['ipv4']['address']) | mandatory ) %}
 {% endfor %}
 wsrep_cluster_address="{{ 'gcomm://' ~ _galera_cluster_node_addresses | map('ansible.utils.ipwrap') | list | join(',') }}"
 # To start failed cluster comment out above and uncomment below...Once cluster is started revert changes and restart mysql on main node where change was made

templates/etc/my.cnf.d/server.cnf.temp.j2

@@ -48,7 +48,7 @@ wsrep_provider={{ galera_wsrep_provider }}
 wsrep_cluster_name="{{ galera_cluster_name }}"
 {% set _galera_cluster_node_addresses = [] %}
 {% for node in galera_cluster_nodes %}
-{%   set _ = _galera_cluster_node_addresses.append( hostvars[node]['galera_cluster_bind_address'] | default(hostvars[node]['ansible_' ~ galera_cluster_bind_interface]['ipv4']['address']) | mandatory ) %}
+{%   set _ = _galera_cluster_node_addresses.append( hostvars[node]['galera_cluster_bind_address'] | default(hostvars[node]['ansible_' ~ hostvars[node]['galera_cluster_bind_interface']]['ipv4']['address']) | mandatory ) %}
 {% endfor %}
 #wsrep_cluster_address="{{ 'gcomm://' ~ _galera_cluster_node_addresses | map('ansible.utils.ipwrap') | list | join(',') }}"
 # To start failed cluster comment out above and uncomment below...Once cluster is started revert changes and restart mysql on main node where change was made

templates/etc/mysql/conf.d/galera.cnf.j2

@@ -48,7 +48,7 @@ wsrep_provider={{ galera_wsrep_provider }}
 wsrep_cluster_name="{{ galera_cluster_name }}"
 {% set _galera_cluster_node_addresses = [] %}
 {% for node in galera_cluster_nodes %}
-{%   set _ = _galera_cluster_node_addresses.append( hostvars[node][galera_cluster_bind_address] | default(hostvars[node]['ansible_' ~ galera_cluster_bind_interface]['ipv4']['address']) | mandatory ) %}
+{%   set _ = _galera_cluster_node_addresses.append( hostvars[node]['galera_cluster_bind_address'] | default(hostvars[node]['ansible_' ~ hostvars[node]['galera_cluster_bind_interface']]['ipv4']['address']) | mandatory ) %}
 {% endfor %}
 wsrep_cluster_address="{{ 'gcomm://' ~ _galera_cluster_node_addresses | map('ansible.utils.ipwrap') | list | join(',') }}"
 # To start failed cluster comment out above and uncomment below...Once cluster is started revert changes and restart mysql on main node where change was made

templates/etc/mysql/conf.d/galera.cnf.temp.j2

@@ -48,7 +48,7 @@ wsrep_provider={{ galera_wsrep_provider }}
 wsrep_cluster_name="{{ galera_cluster_name }}"
 {% set _galera_cluster_node_addresses = [] %}
 {% for node in galera_cluster_nodes %}
-{%   set _ = _galera_cluster_node_addresses.append( hostvars[node][galera_cluster_bind_address] | default(hostvars[node]['ansible_' ~ galera_cluster_bind_interface]['ipv4']['address']) | mandatory ) %}
+{%   set _ = _galera_cluster_node_addresses.append( hostvars[node]['galera_cluster_bind_address'] | default(hostvars[node]['ansible_' ~ hostvars[node]['galera_cluster_bind_interface']]['ipv4']['address']) | mandatory ) %}
 {% endfor %}
 #wsrep_cluster_address="{{ 'gcomm://' ~ _galera_cluster_node_addresses | map('ansible.utils.ipwrap') | list | join(',') }}"
 # To start failed cluster comment out above and uncomment below...Once cluster is started revert changes and restart mysql on main node where change was made