working playbook for ssh host and container setup

.gitignore

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+__pycache__

.gitmodules

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+[submodule "connection_plugins/lxc_ssh"]
+	path = connection_plugins/lxc_ssh
+	url = https://github.com/andreasscherbaum/ansible-lxc-ssh.git

connection_plugins/lxc_ssh

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+Subproject commit d08e694c16a2d0f71a2883f4c0e8590eb5c743b5

connection_plugins/lxc_ssh.py

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+lxc_ssh/lxc_ssh.py

containers.yaml

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+---
+
+- hosts: lxd_containers
+  remote_user: root
+  gather_facts: false
+  vars:
+    lxd_source:
+      type: image
+      mode: pull
+      server: https://images.linuxcontainers.org
+      protocol: lxd
+      alias: debian/buster/amd64
+  tasks:
+    - name: lxd container installed and started
+      community.general.lxd_container:
+        name: "{{inventory_hostname}}"
+        state: started
+        source: "{{lxd_source}}"
+        profiles: ["default"]
+        wait_for_ipv4_addresses: true
+        timeout: 600
+      delegate_to: "{{ lxd_host }}"
+    - name: install python3 in lxd container
+      command: lxc exec {{inventory_hostname}} -- apt-get -y install python3
+      delegate_to: "{{ lxd_host }}"
+
+- hosts: lxd_containers
+  remote_user: root
+  connection: lxc_ssh
+  gather_facts: false
+  vars:
+    ansible_host: "{{lxd_host}}"
+    ansible_ssh_extra_args: "{{inventory_hostname}}"
+    ssh_ip: "{{ansible_default_ipv6.address}}"
+  tasks:
+    - setup:
+    - name: openssh server
+      apt:
+        pkg: openssh-server
+    - name: make sure host_vars directory is present for host
+      local_action: file
+      args:
+        path: "{{inventory_dir}}/host_vars/{{inventory_hostname}}"
+        state: directory
+    - name: record lxd containers IPv6 address for connection in host_vars
+      local_action: copy
+      args:
+        content:
+          ansible_host: "{{ssh_ip}}"
+          ssh_ip: "{{ssh_ip}}"
+        dest: "{{inventory_dir}}/host_vars/{{inventory_hostname}}/lxd_host.auto.json"
+    - import_role:
+        name: root_user
+    - import_role:
+        name: ssh_host_key
+
+- hosts: lxd_containers
+  remote_user: root

hosts.yaml

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+---
+
+- hosts: lxd_hosts
+  remote_user: root
+  roles:
+    - name: lxd