Update Ansible inventory to split node roles

Splits servers and clients to their own groups so that plays can target
specific roles.

Prior, everything was "both", but i want to and another server for
recovery purposes but not host containers on it.

ansible_playbooks/ansible_hosts.yml

@@ -1,12 +1,8 @@
 ---
 all:
-  children:
-    servers:
-      vars:
-        nomad_network_interface: eth0
   hosts:
     n1.thefij:
-          nomad_node_role: both
+      nomad_node_class: ingress
       nomad_reserved_memory: 1024
       # nomad_meta:
       #   hw_transcode.device: /dev/dri
@@ -29,7 +25,6 @@ all:
           mode: "0755"
           read_only: false
     n2.thefij:
-          nomad_node_role: both
       nomad_node_class: ingress
       nomad_reserved_memory: 1024
       nfs_mounts:
@@ -44,7 +39,6 @@ all:
           mode: "0755"
           read_only: false
     pi4:
-          nomad_node_role: both
       nomad_node_class: ingress
       nomad_reserved_memory: 512
       nomad_meta:
@@ -52,11 +46,24 @@ all:
         hw_transcode.type: raspberry
     qnomad.thefij:
       ansible_host: 192.168.2.234
-          nomad_node_role: both
       nomad_reserved_memory: 1024
       # This VM uses a non-standard interface
       nomad_network_interface: ens3
 
-    nomad_instances:
+nomad_instances:
+  vars:
+    nomad_network_interface: eth0
   children:
-        servers: {}
+    nomad_servers: {}
+    nomad_clients: {}
+nomad_servers:
+  hosts:
+    nonopi.thefij: {}
+  children:
+    all: {}
+nomad_clients:
+  hosts:
+    n1.thefij: {}
+    n2.thefij: {}
+    pi4: {}
+    qnomad.thefij: {}

ansible_playbooks/nomad_wesher_restart.yml

@@ -14,7 +14,7 @@
         state: restarted
       become: true
 
-    - name: Start Dockee
+    - name: Start Docker
       systemd:
         name: docker
         state: started

ansible_playbooks/recover-nomad.yaml

@@ -1,6 +1,6 @@
 ---
 - name: Recover Nomad
-  hosts: nomad_instances
+  hosts: nomad_servers
   any_errors_fatal: true
 
   tasks:

ansible_playbooks/setup-cluster.yml

@@ -14,7 +14,7 @@
         line: "nameserver {{ non_nomad_dns }}"
 
 - name: Install Docker
-  hosts: nomad_instances
+  hosts: nomad_clients
   become: true
   vars:
     docker_architecture_map:
@@ -44,7 +44,7 @@
 #         state: present
 
 - name: Create NFS mounts
-  hosts: nomad_instances
+  hosts: nomad_clients
   become: true
   vars:
     shared_nfs_mounts:
@@ -140,6 +140,7 @@
         nomad_version: "1.7.6-1"
         nomad_install_upgrade: true
         nomad_allow_purge_config: true
+        nomad_node_role: "{% if 'nomad_clients' in group_names %}{% if 'nomad_servers' in group_names %}both{% else %}client{% endif %}{% else %}server{% endif %}
 
         # Where nomad gets installed to
         nomad_bin_dir: /usr/bin
@@ -213,7 +214,7 @@
             enabled: true
 
 - name: Bootstrap Nomad ACLs and scheduler
-  hosts: nomad_instances
+  hosts: nomad_servers
 
   tasks:
     - name: Start Nomad