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Ansible role to install Zerotier-One and join a Zerotier network

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ZeroTier

This Ansible role adds the ZeroTier repository and installs the zerotier-one package using your system's package manager. Depending on the provided variables this role can also add and authorize new members to (existing) ZeroTier networks, and tell the new member to join the network.

Requirements

Technically this role has no requirements. If it's ran without any variables set it will only run the installation tasks. The following variables impact the role's behavior:

zerotier_network_id: when set hosts are told to join this network.
zerotier_api_accesstoken: when set the role can handle member authentication and configuration using the ZeroTier API.

Role Variables

zerotier_network_id

Type: string
Default value:
Description: The 16 character network ID of the network the new members should join. The node will not join any network if omitted.

zerotier_member_register_short_hostname

Type: boolean
Default value: false
Description: By default inventory_hostname will be used to name a member in a network. If set to true, inventory_hostname_short will be used instead.

zerotier_member_ip_assignments

Type: list
Default value: []
Description: A list of IP addresses to assign this member. The member will be automatically assigned an address on the network if left out.

zerotier_member_description

Type: string
Default value: ""
Description: Optional description for a member.

zerotier_api_accesstoken

Type: string
Default value: ""
Description: The access token needed to authorize with the ZeroTier API. You can generate one in your account settings at https://my.zerotier.com/. If this is left out then the newly joined member will not be automatically authorized.

zerotier_api_url

Type: string
Default value: https://my.zerotier.com
Description: The url where the Zerotier API lives. Must use HTTPS protocol.

zerotier_api_delegate

Type: string
Default value: localhost
Description: Option to delegate tasks for Zerotier API calls. This is useful in a situation where API calls can only be made from a white-listed management server, for example.

Example Playbook

    - hosts: servers
      vars:
         zerotier_network_id: 1234567890qwerty
         zerotier_api_accesstoken: "{{ vault_zerotier_accesstoken }}"
         zerotier_register_short_hostname: true

      roles:
         - { role: m4rcu5nl.zerotier, become: true }

Example Inventory

    [servers]
    web1.example.com zerotier_member_ip_assignments='["192.168.195.1", "192.168.195.2"]'
    web2.example.com zerotier_member_ip_assignments='["192.168.195.3", "192.168.195.4"'
    db1.example.com zerotier_member_ip_assignments='["192.168.195.10"]'
    db2.example.com zerotier_member_ip_assignments='["192.168.195.11"]'
    db3.example.com zerotier_member_ip_assignments='["192.168.195.12"]'

    [webservers]
    web1.example.com
    web2.example.com

    [dbservers]
    db1.example.com
    db2.example.com
    db3.example.com

    [webservers:vars]
    zerotier_member_description='<AppName> webserver'

    [dbservers:vars]
    zerotier_member_description='<AppName> db cluster node'