feat!: Use Ansible and Terraform to provision Nodes and DNS and create configure script (#84)

provision/ansible/inventory/group_vars/kubernetes/k3s.yml

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+---
+#
+# Below vars are for the xanmanning.k3s role
+# ...see https://github.com/PyratLabs/ansible-role-k3s
+#
+
+# (string) Use a specific version of k3s
+k3s_release_version: "v1.21.5+k3s1"
+
+# (bool) Install using hard links rather than symbolic links.
+k3s_install_hard_links: true
+
+# (bool) Escalate user privileges for all tasks
+k3s_become_for_all: true
+
+# (bool) Enable debug logging on the k3s service
+k3s_debug: false
+
+# (bool) Enable etcd embedded datastore
+k3s_etcd_datastore: true
+
+# (bool) Allow the use of unsupported configurations in k3s
+k3s_use_unsupported_config: false
+
+# (string) Control Plane registration address
+k3s_registration_address: "{{ kubevip_address }}"
+
+# (list) A flat list of templates to deploy on the primary control plane
+# /var/lib/rancher/k3s/server/manifests
+k3s_server_manifests_templates:
+  - "kube-vip/kube-vip-rbac.yaml.j2"
+  - "kube-vip/kube-vip-daemonset.yaml.j2"

provision/ansible/inventory/group_vars/kubernetes/ubuntu.yml

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+---
+# (string) Timezone for the servers
+# timezone: "America/New_York"
+
+# (list) Additional ssh public keys to add to the nodes
+# ssh_authorized_keys:

provision/ansible/inventory/group_vars/master/k3s.yml

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+---
+# https://rancher.com/docs/k3s/latest/en/installation/install-options/server-config/
+# https://github.com/PyratLabs/ansible-role-k3s
+
+# (bool) Specify if a host (or host group) are part of the control plane
+k3s_control_node: true
+
+# (dict) k3s settings for all control-plane nodes
+k3s_server:
+  node-ip: "{{ ansible_host }}"
+  tls-san:
+    # kube-vip
+    - "{{ kubevip_address }}"
+  docker: false
+  flannel-backend: "host-gw" # This needs to be in quotes
+  disable:
+    - traefik
+    - servicelb
+    - metrics-server
+  disable-network-policy: true
+  disable-cloud-controller: true
+  write-kubeconfig-mode: "644"
+  # Network CIDR to use for pod IPs
+  cluster-cidr: "10.42.0.0/16"
+  # Network CIDR to use for service IPs
+  service-cidr: "10.43.0.0/16"
+  kubelet-arg:
+    - "feature-gates=GracefulNodeShutdown=true"
+    - "feature-gates=MixedProtocolLBService=true"
+  # Required to use monitor these components with kube-prometheus-stack
+  kube-controller-manager-arg:
+    - "address=0.0.0.0"
+    - "bind-address=0.0.0.0"
+  kube-proxy-arg:
+    - "metrics-bind-address=0.0.0.0"
+  kube-scheduler-arg:
+    - "address=0.0.0.0"
+    - "bind-address=0.0.0.0"
+  etcd-expose-metrics: true
+  # Required for HAProxy health-checks
+  kube-apiserver-arg:
+    - "anonymous-auth=true"

provision/ansible/inventory/group_vars/worker/k3s.yml

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+---
+# https://rancher.com/docs/k3s/latest/en/installation/install-options/agent-config/
+# https://github.com/PyratLabs/ansible-role-k3s
+
+# (bool) Specify if a host (or host group) are part of the control plane
+k3s_control_node: false
+
+# (dict) k3s settings for all worker nodes
+k3s_agent:
+  node-ip: "{{ ansible_host }}"
+  kubelet-arg:
+    - "feature-gates=GracefulNodeShutdown=true"
+    - "feature-gates=MixedProtocolLBService=true"

provision/ansible/inventory/hosts.yml

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+---
+kubernetes:
+  children:
+    master:
+      hosts:
+        k8s-0:
+          ansible_host: 192.168.42.10
+    worker:
+      hosts:
+        k8s-1:
+          ansible_host: 192.168.42.13