Update ansible to deploy nomad and consul to Pi host

This is broken because the Pi doesn't have the right version of ip-tables

nomad/Makefile

@@ -53,10 +53,14 @@ consul-up:
 .PHONY: cluster
 cluster: consul-up nomad-up
 
+venv/bin/ansible:
+	python3 -m venv venv
+	./venv/bin/pip install ansible
+
 .PHONY: ansible-cluster
-ansible-cluster:
-	ansible-galaxy install -p roles -r roles/requirements.yml
-	ansible-playbook -K -vv -i ansible_hosts -M roles/ ./setup-cluster.yml
+ansible-cluster: venv/bin/ansible
+	./venv/bin/ansible-galaxy install -p roles -r roles/requirements.yml
+	./venv/bin/ansible-playbook -K -vv -i ansible_hosts.yml -M roles/ ./setup-cluster.yml
 
 .PHONY: plan
 plan:

nomad/ansible_hosts

@@ -1,8 +0,0 @@
-[servers]
-services.thefij
-
-[consul_instances]
-services.thefij consul_node_role=bootstrap
-
-[nomad_instances]
-services.thefij nomad_node_role=both

nomad/ansible_hosts.yml

@@ -0,0 +1,28 @@
+---
+all:
+  children:
+    servers:
+      hosts:
+        services.thefij:
+          consul_node_role: bootstrap
+          nomad_node_role: both
+          nomad_node_class: ingress
+          nomad_host_volumes:
+            - name: mysql-data
+              path: /srv/volumes/mysql-data
+              owner: "nomad"
+              group: "bin"
+              mode: "0755"
+              read_only: false
+          # consul_auto_encrypt:
+          #   enabled: true
+          #   dns_san: ["services.thefij"]
+          #   ip_san: ["192.168.2.41", "127.0.0.1"]
+        # motionpi.thefij: {}
+
+    consul_instances:
+      children:
+        servers: {}
+    nomad_instances:
+      children:
+        servers: {}

nomad/services.tf

@@ -60,6 +60,9 @@ resource "nomad_job" "traefik" {
 resource "nomad_job" "whoami" {
   hcl2 {
     enabled = true
+    vars = {
+      "count" = "${2 * length(data.consul_service.read-nomad-cluster.service)}"
+    }
   }
 
   jobspec = file("${path.module}/whoami.nomad")

nomad/setup-cluster.yml

@@ -7,23 +7,35 @@
   roles:
     - name: ansible-consul
       consul_version: "1.11.3"
+      consul_install_remotely: true
       consul_install_upgrade: true
+      consul_architecture_map:
+        x86_64: amd64
+        armhfv6: arm
+        armv7l: arm
+
       # consul_tls_enable: true
       consul_connect_enabled: true
       consul_ports_grpc: 8502
       consul_client_address: "0.0.0.0"
-      consul_auto_encrypt:
-        enabled: true
-        dns_san: ["services.thefij"]
-        ip_san: ["192.168.2.41", "127.0.0.1"]
 
-  # tasks:
-  # # Limit to consul host
-  #   - name: Add a value to Consul
-  #     consul_kv:
-  #       key: ansible_test
-  #       value: Hello from Ansible!
-  #     execute_once: true
+  tasks:
+    - name: Start Consul
+      systemd:
+        state: started
+        name: consul
+
+    - name: Add values
+      block:
+        - name: Install pip
+          pip:
+            name: python-consul
+
+        - name: Add a value to Consul
+          consul_kv:
+            key: ansible_test
+            value: Hello from Ansible!
+      run_once: true
 
 - name: Build Nomad cluster
   hosts: nomad_instances
@@ -33,20 +45,25 @@
   roles:
     - name: ansible-nomad
       nomad_version: "1.2.6"
+      nomad_install_remotely: true
       nomad_install_upgrade: true
       nomad_allow_purge_config: true
+
       nomad_encrypt_enable: true
-      nomad_cni_enable: true
-      nomad_docker_enable: true
       # nomad_use_consul: true
+
+      nomad_cni_enable: true
+      nomad_cni_version: 1.0.1
+      nomad_docker_enable: true
+      nomad_docker_dmsetup: false
+
       nomad_bind_address: 0.0.0.0
+      nomad_architecture_map:
+        x86_64: amd64
+        armhfv6: arm
+        armv7l: arm
 
       nomad_host_networks:
-        # - name: public
-        #   cidr: 192.168.0.0/16
-        - name: private
-          cidr: 10.0.0.0/8
-          reserved_ports: "22"
         - name: nomad-bridge
           # cidr: 172.26.64.0/20
           interface: nomad
@@ -54,12 +71,8 @@
         - name: loopback
           interface: lo
           reserved_ports: "22"
-
-      # TODO: this should probably be based on host
-      nomad_host_volumes:
-        - name: mysql-data
-          path: /srv/volumes/mysql-data
-          owner: "nomad"
-          group: "bin"
-          mode: "0755"
-          read_only: false
+  tasks:
+    - name: Start Nomad
+      systemd:
+        state: started
+        name: nomad

nomad/traefik.nomad

@@ -16,6 +16,11 @@ job "traefik" {
 
   type = "service"
 
+  constraint {
+    attribute = "${node.class}"
+    value = "ingress"
+  }
+
   group "traefik" {
     count = 1
 

nomad/whoami.nomad

@@ -4,6 +4,11 @@ variable "base_hostname" {
   default = "dev.homelab"
 }
 
+variable "count" {
+  type = number
+  default = 2
+}
+
 job "whoami" {
   region = "global"
   datacenters = ["dc1"]
@@ -11,7 +16,12 @@ job "whoami" {
   type = "service"
 
   group "whoami" {
-    count = 2
+    count = var.count
+
+    constraint {
+      operator = "distinct_hosts"
+      value = "true"
+    }
 
     network {
       mode = "bridge"