Merge pull request #15 from mojaloop/fix-multipath-for-longhorn

first draft fix multipath for longhorn

mojaloop/iac/playbooks/argok3s_cluster_deploy.yaml

@@ -8,12 +8,14 @@
 - hosts: master
   become: true
   roles:
+    - mojaloop.iac.k8s_node_common
     - mojaloop.iac.k3s_common
     - mojaloop.iac.k3s_master
 
 - hosts: agent
   become: true
   roles:
+    - mojaloop.iac.k8s_node_common
     - mojaloop.iac.k3s_common
     - mojaloop.iac.k3s_worker
 

mojaloop/iac/playbooks/argomicrok8s_cluster_deploy.yaml

@@ -8,6 +8,7 @@
 - hosts: master
   become: true
   roles:
+    - role: mojaloop.iac.k8s_node_common
     - role: mojaloop.iac.microk8s
       vars:
         microk8s_enable_HA: true
@@ -45,6 +46,7 @@
 - hosts: agent
   become: true
   roles:
+    - role: mojaloop.iac.k8s_node_common
     - role: mojaloop.iac.microk8s
       vars:
         microk8s_enable_HA: true

mojaloop/iac/roles/k8s_node_common/tasks/main.yaml

@@ -0,0 +1,19 @@
+- name: Gather the package facts
+  ansible.builtin.package_facts:
+    manager: auto
+
+- name: Configure multipathd to ignore longhorn volumes
+  blockinfile:
+    path: /etc/multipath.conf
+    block: |
+      blacklist {
+        devnode "^sd[a-z0-9]+"
+      }
+  register: multipathconf
+  when: "'multipath-tools' in ansible_facts.packages"
+
+- name: Restart multipathd
+  ansible.builtin.service:
+    name: multipathd
+    state: restarted
+  when: "'multipath-tools' in ansible_facts.packages and multipathconf.changed"