Added podman-host and linode-dyndns roles

defaults/main.yml

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+---
+
+systemd_system_unit_path: /etc/systemd/system
+systemd_user_unit_path: /home/{{ username }}/.config/systemd/user

roles/linode-dyndns/defaults/main.yml

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+---
+
+image_name: docker.io/kvllsvm/linode-dynamic-dns
+image_tag: latest
+domain: thurstylark.com
+subdomain: example
+update_frequency: 900
+
+# Enable become because this container needs to be run in the
+#  root instance to access host networking
+ansible_become: yes
+ansible_become_method: sudo

roles/linode-dyndns/tasks/main.yml

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+---
+
+- name: Set up linode api key secret
+  podman_secret:
+    name: linode_dns_apikey
+    state: present
+    skip_existing: yes
+    data: {{ linode_api_key }}
+
+- name: Create and start linode-dyndns container
+  podman_container:
+    name: linode-dyndns_{{ subdomain }}
+    image: docker.io/kvllsvm/linode-dynamic-dns:latest
+    state: started
+    restart_policy: always
+    network: host
+    secrets:
+      - linode_dns_apikey
+    env:
+      - name: DOMAIN
+        value: {{ domain }}
+      - name: HOST
+        value: {{ subdomain }}
+      - name: FREQUENCY
+        value: {{ update_frequency }}
+    command: "/bin/sh -c 'export TOKEN=$(cat /run/secrets/linode_dns_apikey) && linode-dynamic-dns -s $FREQUENCY'"

roles/podman-host/tasks/main.yml

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+---
+# tasks file for podman-host
+
+- name: Ensure podman packages are installed
+  pacman:
+    - podman
+    - podman-dnsname
+    - fuse-overlayfs
+    - slirp4netns
+  become: yes
+  become_method: sudo