---
wireguard_primary_interface: "{{ network_interfaces.0.name }}"
wireguard_config_base_path: /etc/wireguard
# Group owning the config dir/files. macOS has no `root` group (gid 0 is `wheel`).
wireguard_config_group: >-
  {{ (ansible_facts['os_family'] == 'Darwin') | ternary('wheel', 'root') }}
# macOS: Homebrew prefix (arm64: /opt/homebrew, Intel: /usr/local). sudo's
# secure_path omits it, so wg/wg-quick must be called by absolute path.
wireguard_darwin_brew_prefix: /opt/homebrew
wireguard_wg_bin: >-
  {{ (ansible_facts['os_family'] == 'Darwin') | ternary(wireguard_darwin_brew_prefix + '/bin/wg', 'wg') }}
wireguard_wg_quick_bin: >-
  {{ (ansible_facts['os_family'] == 'Darwin') | ternary(wireguard_darwin_brew_prefix + '/bin/wg-quick', 'wg-quick') }}
# wg-quick's shebang is `#!/usr/bin/env bash` and requires bash 4+, but sudo's
# secure_path resolves `bash` to macOS's /bin/bash 3.2. Run it through
# Homebrew's bash explicitly (wireguard-tools depends on it).
wireguard_darwin_bash: "{{ wireguard_darwin_brew_prefix }}/bin/bash"
# wireguard_tunnels:
#   - interface: wg0          # required: maps to wgN interface name and config filename
#     address: 10.0.0.1/24   # required: CIDR address for [Interface] Address
#     port: 51820             # optional: ListenPort (required in server_mode)
#     dns: 10.0.0.1           # optional: DNS= line; omit to suppress
#     server_mode: true       # optional (default: false): enables NAT masquerade + UFW rule
#     primary_interface: eth0 # optional: overrides wireguard_primary_interface for this tunnel
#     private_key: ...        # optional: use a fixed (e.g. vaulted) private key instead
#                             # of generating one on the host. Recommended for clients
#                             # whose public key is already a server's peer.
#     peers:                   # optional: list of [Peer] entries
#       - name: peer_name               # required: comment label
#         public_key: ...               # required: peer's public key
#         allowed_ips: [10.0.0.0/24]    # required: list of CIDRs
#         endpoint: host:port           # optional: peer's public endpoint
#         persistent_keepalive: 25      # optional: keepalive interval (seconds)
wireguard_tunnels: []

# OS-dependent package name
wireguard_package_name: >-
  {{ (ansible_facts['os_family'] == 'Archlinux' or ansible_facts['os_family'] == 'Darwin')
     | ternary('wireguard-tools', 'wireguard') }}

# Prometheus exporter (optional, gated by wireguard_exporter_enabled).
# Exposes `wg show all dump` as Prometheus metrics (bytes per peer, last
# handshake). Arch Linux only: prometheus-wireguard-exporter is packaged in
# [extra]; no Debian/Ubuntu equivalent exists. Bind stays loopback-only:
# the host's local Prometheus scrapes it and is federated by the central one.
wireguard_exporter_enabled: false
wireguard_exporter_listen_address: "127.0.0.1"
wireguard_exporter_port: 9586