{% macro conn(peer, peer_conf, ike_group, esp_group) %}
{%   set name = peer.replace("@", "") | dot_colon_to_dash %}
{#   peer needs to reference the global IKE configuration for certain values #}
{%   set ike = ike_group[peer_conf.ike_group] %}
    peer_{{ name }} {
        proposals = {{ ike | get_esp_ike_cipher | join(',') }}
        version = {{ ike.key_exchange[4:] if ike is defined and ike.key_exchange is defined else "0" }}
{%   if peer_conf.virtual_address is defined and peer_conf.virtual_address is not none %}
        vips = {{ peer_conf.virtual_address | join(', ') }}
{%   endif %}
        local_addrs = {{ peer_conf.local_address if peer_conf.local_address != 'any' else '0.0.0.0/0' }} # dhcp:{{ peer_conf.dhcp_interface if 'dhcp_interface' in peer_conf else 'no' }}
        remote_addrs = {{ peer if peer not in ['any', '0.0.0.0'] and peer[0:1] != '@' else '0.0.0.0/0' }}
{%   if peer_conf.authentication is defined and peer_conf.authentication.mode is defined and peer_conf.authentication.mode == 'x509' %}
        send_cert = always
{%   endif %}
{%   if ike.dead_peer_detection is defined %}
        dpd_timeout = {{ ike.dead_peer_detection.timeout }}
        dpd_delay = {{ ike.dead_peer_detection.interval }}
{%   endif %}
{%   if ike.key_exchange is defined and ike.key_exchange == "ikev1" and ike.mode is defined and ike.mode == "aggressive" %}
        aggressive = yes
{%   endif %}
        rekey_time = {{ ike.lifetime }}s
        mobike = {{ "yes" if ike.mobike is not defined or ike.mobike == "enable" else "no" }}
{%   if peer[0:1] == '@' %}
        keyingtries = 0
        reauth_time = 0
{%   elif peer_conf.connection_type is not defined or peer_conf.connection_type == 'initiate' %}
        keyingtries = 0
{%   elif peer_conf.connection_type is defined and peer_conf.connection_type == 'respond' %}
        keyingtries = 1
{%   endif %}
{%   if peer_conf.force_encapsulation is defined and peer_conf.force_encapsulation == 'enable' %}
        encap = yes
{%   endif %}
        local {
{%   if peer_conf.authentication is defined and peer_conf.authentication.id is defined and peer_conf.authentication.id is not none %}
            id = "{{ peer_conf.authentication.id }}"
{%   endif %}
            auth = {{ 'psk' if peer_conf.authentication.mode == 'pre-shared-secret' else 'pubkey' }}
{%   if peer_conf.authentication.mode == 'x509' %}
            certs = {{ peer_conf.authentication.x509.certificate }}.pem
{%   elif peer_conf.authentication.mode == 'rsa' %}
            pubkeys = {{ peer_conf.authentication.rsa.local_key }}.pem
{%   endif %}
        }
        remote {
{%   if peer_conf.authentication is defined and peer_conf.authentication.remote_id is defined and peer_conf.authentication.remote_id is not none %}
            id = "{{ peer_conf.authentication.remote_id }}"
{%   else %}
            id = "{{ peer }}"
{%   endif %}
            auth = {{ 'psk' if peer_conf.authentication.mode == 'pre-shared-secret' else 'pubkey' }}
{%   if peer_conf.authentication.mode == 'rsa' %}
            pubkeys = {{ peer_conf.authentication.rsa.remote_key }}.pem
{%   endif %}
        }
        children {
{%   if peer_conf.vti is defined and peer_conf.vti.bind is defined and peer_conf.tunnel is not defined %}
{%     set vti_esp = esp_group[ peer_conf.vti.esp_group ] if peer_conf.vti.esp_group is defined else esp_group[ peer_conf.default_esp_group ] %}
            peer_{{ name }}_vti {
                esp_proposals = {{ vti_esp | get_esp_ike_cipher(ike) | join(',') }}
                life_time = {{ vti_esp.lifetime }}s
                local_ts = 0.0.0.0/0,::/0
                remote_ts = 0.0.0.0/0,::/0
                updown = "/etc/ipsec.d/vti-up-down {{ peer_conf.vti.bind }}"
                {# The key defaults to 0 and will match any policies which similarly do not have a lookup key configuration. #}
                {# Thus we simply shift the key by one to also support a vti0 interface #}
{%              set if_id = peer_conf.vti.bind | replace('vti', '') | int +1 %}
                if_id_in = {{ if_id }}
                if_id_out = {{ if_id }}
                ipcomp = {{ 'yes' if vti_esp.compression is defined and vti_esp.compression == 'enable' else 'no' }}
                mode = {{ vti_esp.mode }}
{%     if peer[0:1] == '@' %}
                start_action = none
{%     elif peer_conf.connection_type is not defined or peer_conf.connection_type == 'initiate' %}
                start_action = start
{%     elif peer_conf.connection_type == 'respond' %}
                start_action = trap
{%     endif %}
{%     if ike.dead_peer_detection is defined %}
{%       set dpd_translate = {'clear': 'clear', 'hold': 'trap', 'restart': 'start'} %}
                dpd_action = {{ dpd_translate[ike.dead_peer_detection.action] }}
{%     endif %}
            }
{%   elif peer_conf.tunnel is defined %}
{%     for tunnel_id, tunnel_conf in peer_conf.tunnel.items() if tunnel_conf.disable is not defined %}
{%       set tunnel_esp_name = tunnel_conf.esp_group if tunnel_conf.esp_group is defined else peer_conf.default_esp_group %}
{%       set tunnel_esp = esp_group[tunnel_esp_name] %}
{%       set proto = tunnel_conf.protocol if tunnel_conf.protocol is defined else '' %}
{%       set local_port = tunnel_conf.local.port if tunnel_conf.local is defined and tunnel_conf.local.port is defined else '' %}
{%       set local_suffix = '[{0}/{1}]'.format(proto, local_port) if proto or local_port else '' %}
{%       set remote_port = tunnel_conf.remote.port if tunnel_conf.remote is defined and tunnel_conf.remote.port is defined else '' %}
{%       set remote_suffix = '[{0}/{1}]'.format(proto, remote_port) if proto or remote_port else '' %}
            peer_{{ name }}_tunnel_{{ tunnel_id }} {
                esp_proposals = {{ tunnel_esp | get_esp_ike_cipher(ike) | join(',') }}
                life_time = {{ tunnel_esp.lifetime }}s
{%       if tunnel_esp.mode is not defined or tunnel_esp.mode == 'tunnel' %}
{%         if tunnel_conf.local is defined and tunnel_conf.local.prefix is defined %}
{%           set local_prefix = tunnel_conf.local.prefix if 'any' not in tunnel_conf.local.prefix else ['0.0.0.0/0', '::/0'] %}
                local_ts = {{ local_prefix | join(local_suffix + ",") }}{{ local_suffix }}
{%         endif %}
{%         if tunnel_conf.remote is defined and tunnel_conf.remote.prefix is defined %}
{%           set remote_prefix = tunnel_conf.remote.prefix if 'any' not in tunnel_conf.remote.prefix else ['0.0.0.0/0', '::/0'] %}
                remote_ts = {{ remote_prefix | join(remote_suffix + ",") }}{{ remote_suffix }}
{%         endif %}
{%         if tunnel_conf.priority is defined and tunnel_conf.priority is not none %}
                priority = {{ tunnel_conf.priority }}
{%         endif %}
{%       elif tunnel_esp.mode == 'transport' %}
                local_ts = {{ peer_conf.local_address }}{{ local_suffix }}
                remote_ts = {{ peer }}{{ remote_suffix }}
{%       endif %}
                ipcomp = {{ 'yes' if tunnel_esp.compression is defined and tunnel_esp.compression == 'enable' else 'no' }}
                mode = {{ tunnel_esp.mode }}
{%       if peer[0:1] == '@' %}
                start_action = none
{%       elif peer_conf.connection_type is not defined or peer_conf.connection_type == 'initiate' %}
                start_action = start
{%       elif peer_conf.connection_type == 'respond' %}
                start_action = trap
{%       endif %}
{%       if ike.dead_peer_detection is defined %}
{%         set dpd_translate = {'clear': 'clear', 'hold': 'trap', 'restart': 'start'} %}
                dpd_action = {{ dpd_translate[ike.dead_peer_detection.action] }}
{%       endif %}
{%       if peer_conf.vti is defined and peer_conf.vti.bind is defined %}
                updown = "/etc/ipsec.d/vti-up-down {{ peer_conf.vti.bind }}"
                {# The key defaults to 0 and will match any policies which similarly do not have a lookup key configuration. #}
                {# Thus we simply shift the key by one to also support a vti0 interface #}
{%              set if_id = peer_conf.vti.bind | replace('vti', '') | int +1 %}
                if_id_in = {{ if_id }}
                if_id_out = {{ if_id }}
{%       endif %}
            }
{%       if tunnel_conf.passthrough is defined and tunnel_conf.passthrough %}
            peer_{{ name }}_tunnel_{{ tunnel_id }}_passthough {
                local_ts = {{ tunnel_conf.passthrough | join(",") }}
                remote_ts = {{ tunnel_conf.passthrough | join(",") }}
                start_action = trap
                mode = pass
            }
{%       endif %}
{%     endfor %}
{%   endif %}
        }
    }
{% endmacro %}