ansible-playbooks/roles/container/tasks/main.yml

- name: specify connection parameters
  set_fact:
    pm_api_host: "{{ hostvars[selected_node]['ansible_host'] | mandatory }}"
    pm_api_user: "{{ hostvars[selected_node]['api_user'] | d('root@pam') }}"
    pm_api_password: "{{ hostvars[selected_node]['api_password'] | d(hostvars[selected_node]['ansible_password']) }}"
    pm_lxc_storage: "{{ hostvars[selected_node]['lxc_storage'] | d('local-zfs') }}"
  no_log: yes


- name: validate template and distribution parameters
  fail:
    msg: some container parameters are missing or invalid
  when: (container_distro is not defined) or (container_template is not mapping) or
        (container_template[container_distro] is not defined) or
        (container_id is not defined) or (container_password is not defined)


- name: ensure pool exists on cluster node
  command:
    cmd: "pveum pool add {{ container_pool | quote }}"
  register: pool_res
  changed_when: pool_res.rc == 0
  failed_when: (pool_res.rc != 0) and not ((pool_res.rc == 255) and ('already exists' in pool_res.stderr))
  when: container_pool is defined
  delegate_to: "{{ selected_node }}"


- block:
  - name: ensure pip3 is installed on local node
    package:
      name: py3-pip
    run_once: yes


  - name: ensure proxmoxer is installed on local node
    pip:
      name: proxmoxer
    run_once: yes


  - name: generate host ssh key
    include_tasks: gen_ssh_key.yml
    when: use_ssh_keys | d(true) == true


  - name: ensure there is a container template
    community.general.proxmox_template:
      node: "{{ selected_node }}"
      api_host: "{{ pm_api_host }}"
      api_user: "{{ pm_api_user }}"
      api_password: "{{ pm_api_password }}"
      content_type: vztmpl
      template: "{{ container_template[container_distro] }}"
      validate_certs: no
      timeout: 20


  - name: create container if not exists
    community.general.proxmox:
      node: "{{ selected_node }}"
      api_host: "{{ pm_api_host }}"
      api_user: "{{ pm_api_user }}"
      api_password: "{{ pm_api_password }}"

      cores: "{{ hardware.cores }}"
      cpus: "{{ hardware.cpus }}"
      cpuunits: "{{ hardware.cpuunits }}"
      disk: "{{ hardware.disk | string }}"
      memory: "{{ hardware.memory }}"
      swap: "{{ hardware.swap }}"

      description: "{{ container_description | d(omit) }}"
      hostname: "{{ inventory_hostname }}"
      pool: "{{ container_pool | d(omit) }}"
      vmid: "{{ container_id }}"

      password: "{{ container_password }}"
      pubkey: "{{ (container_key | d({})).public_key | d(omit) }}"

      ostemplate: "local:vztmpl/{{ container_template[container_distro] }}"
      netif: "{\"net0\":\
        \"name=eth0,hwaddr={{ container_mac | d(mac_prefix | community.general.random_mac(seed=inventory_hostname)) }},\
        ip={{ ansible_host }}/{{ networks[container_network].gw | ansible.utils.ipaddr('prefix') }},\
        gw={{ networks[container_network].gw | ansible.utils.ipaddr('address') }},\
        bridge=vmbr0,\
        firewall=0,\
        tag={{ networks[container_network].tag }},\
        type=veth,\
        mtu={{ container_mtu | d(hostvars[selected_node]['container_mtu'] | d(1500)) }}\"}"
      nameserver: "{%- if container_nameserver is defined -%}\
                     {{ hostvars[container_nameserver]['ansible_host'] }}\
                   {%- elif services.filtering_ns is defined -%}\
                     {%- if services.filtering_ns | type_debug == 'list' -%}
                       {{ hostvars[services.filtering_ns[0].hostname]['ansible_host'] }}\
                     {%- else -%}
                       {{ hostvars[services.filtering_ns.hostname]['ansible_host'] }}\
                     {%- endif -%}
                   {%- elif container_default_nameserver is defined -%}\
                     {{ container_default_nameserver }}\
                   {%- else -%}\
                     {{ omit }}\
                   {%- endif -%}"
      onboot: yes
      proxmox_default_behavior: no_defaults
      storage: "{{ pm_lxc_storage }}"
      unprivileged: yes
      timeout: 240

      mounts: >-
        { {%- for item in (container_mounts | d([])) -%}
          "{{ item.id }}":"{{ pm_lxc_storage }}:{{ item.size | mandatory }},mp={{ item.mp | mandatory }}{% if item.readonly is defined and item.readonly %},ro=1{% endif %}",
        {%- endfor -%} }        


  - block:
    - name: add features to lxc config
      lineinfile:
        path: "/etc/pve/lxc/{{ container_id }}.conf"
        line: "features: {{ container_features | join(',') }}"
      when: container_features | d([]) | length > 0


    - name: check that lxc config is correct
      lineinfile:
        path: "/etc/pve/lxc/{{ container_id }}.conf"
        regexp: "^{{ item.name }}:(\\s*).*$"
        line: "{{ item.name | mandatory }}:\\g<1>{{ item.value | mandatory }}"
        backrefs: yes
      loop:
        - { name: cpus, value: "{{ hardware.cpus }}" }
        - { name: cores, value: "{{ [hardware.cores, hostvars[selected_node]['max_cores'] | d(hardware.cores)] | min }}" }
        - { name: cpuunits, value: "{{ hardware.cpuunits }}" }
        - { name: memory, value: "{{ hardware.memory }}" }
        - { name: swap, value: "{{ hardware.swap }}" }
        - { name: onboot, value: "{{ '1' if (container_active | d(true) == true) else '0' }}" }


    - name: set startup order and delay
      lineinfile:
        path: "/etc/pve/lxc/{{ container_id }}.conf"
        regexp: '^startup:.*$'
        line: "startup: {{ 'order=' ~ (container_order | d(role_dependency[host_primary_role] | d('0'))) ~ ((',up=' ~ container_startup_delay) if container_startup_delay is defined else '') }}"
        insertbefore: '^[^\#]'
        firstmatch: yes
      when: (container_order is defined) or (role_dependency[host_primary_role] is defined) or (container_startup_delay is defined)


    - name: ensure that cpulimit is not set
      lineinfile:
        path: "/etc/pve/lxc/{{ container_id }}.conf"
        regexp: '^cpulimit:.*$'
        state: absent

    delegate_to: "{{ selected_node }}"


  - name: start/stop container
    community.general.proxmox:
      node: "{{ selected_node }}"
      api_host: "{{ pm_api_host }}"
      api_user: "{{ pm_api_user }}"
      api_password: "{{ pm_api_password }}"
      vmid: "{{ container_id }}"
      proxmox_default_behavior: no_defaults
      state: "{{ 'started' if (container_active | d(true) == true) else 'stopped' }}"


  - name: end playbook for current host if container is set to inactive
    meta: end_host
    when: container_active | d(true) == false


  - name: wait until networking is avaliable
    command:
      cmd: "ping -c1 -W1 {{ ansible_host | quote }}"
    register: ping_result
    until: ping_result.rc == 0
    retries: 5
    delay: 2
    changed_when: no

  delegate_to: 127.0.0.1


- name: preconfigure container
  include_tasks: preconf.yml