main.yml

#
# Container options
#

# Kea services that should be enabled
kea_dhcp4_enabled: true
kea_dhcp6_enabled: false
kea_ctrl_agent_enabled: false

# Base directory for all files
kea_container_base_dir: "/srv/kea"

# The IPv4 DHCP service
kea_dhcp4_container_name: "kea-dhcp4"
kea_dhcp4_container_image: "jonasal/kea-dhcp4:2"
kea_dhcp4_container_command: "-c /kea/config/dhcp4.json"

# The IPv6 DHCP service
kea_dhcp6_container_name: "kea-dhcp6"
kea_dhcp6_container_image: "jonasal/kea-dhcp6:2"
kea_dhcp6_container_command: "-c /kea/config/dhcp6.json"

# The Control Agent service
kea_ctrl_agent_container_name: "kea-ctrl-agent"
kea_ctrl_agent_container_image: "jonasal/kea-ctrl-agent:2"
kea_ctrl_agent_container_command: "-c /kea/config/ctrl-agent.json"

kea_ctrl_agent_container_use_host_network: false
kea_ctrl_agent_container_networks:
  - name: bridge
kea_ctrl_agent_container_ports:
  - "{{ kea_ctrl_agent_port }}:{{ kea_ctrl_agent_port }}"


#
# DHCP configuration
#

# Interface
kea_dhcp_interfaces: ['*']
kea_dhcp4_interfaces: "{{ kea_dhcp_interfaces }}"
kea_dhcp6_interfaces: "{{ kea_dhcp_interfaces }}"

# Multi-Threading
# https://kea.readthedocs.io/en/latest/arm/dhcp4-srv.html#multi-threading-settings-with-different-database-backends
kea_dhcp_multi_threading_enable: true
kea_dhcp4_multi_threading_enable: "{{ kea_dhcp_multi_threading_enable }}"
kea_dhcp6_multi_threading_enable: "{{ kea_dhcp_multi_threading_enable }}"

kea_dhcp4_multi_threading_pool_size: "{{ (ansible_processor_vcpus if ansible_processor_vcpus < 8 else 8) | int }}"
kea_dhcp6_multi_threading_pool_size: "{{ (ansible_processor_vcpus if ansible_processor_vcpus < 6 else 6) | int }}"

kea_dhcp4_multi_threading_queue_size: "{{ (kea_dhcp4_multi_threading_pool_size|int * 7) | int }}"
kea_dhcp6_multi_threading_queue_size: "{{ (kea_dhcp6_multi_threading_pool_size|int * 150) | int }}"

# Leases
kea_dhcp_parked_packet_limit: 128
kea_dhcp4_parked_packet_limit: "{{ kea_dhcp_parked_packet_limit }}"
kea_dhcp6_parked_packet_limit: "{{ kea_dhcp_parked_packet_limit }}"

kea_dhcp_valid_lifetime: 6000
kea_dhcp4_valid_lifetime: "{{ kea_dhcp_valid_lifetime }}"
kea_dhcp6_valid_lifetime: "{{ kea_dhcp_valid_lifetime }}"

kea_dhcp_renew_timer: "{{ (kea_dhcp_valid_lifetime|float * 0.5) | int }}"
kea_dhcp4_renew_timer: "{{ kea_dhcp_renew_timer }}"
kea_dhcp6_renew_timer: "{{ kea_dhcp_renew_timer }}"

kea_dhcp_rebind_timer: "{{ (kea_dhcp_valid_lifetime|float * 0.85) | int }}"
kea_dhcp4_rebind_timer: "{{ kea_dhcp_rebind_timer }}"
kea_dhcp6_rebind_timer: "{{ kea_dhcp_rebind_timer }}"

# Subnets
kea_dhcp4_subnets: []
kea_dhcp6_subnets: []


#
# Control Agent configuration
#

kea_ctrl_agent_host: "0.0.0.0"
kea_ctrl_agent_port: 8000


#
# Logging
#

# Logging configuration can be shared somewhat between the services, so these
# initial variables will affect all instances unless you change any of the
# "kea_logging_raw_*" variables.
#
# NOTE: !unsafe here----▼    This is to not trip jinja templating with "{%".
kea_logging_pattern: !unsafe "%D{%Y-%m-%d %H:%M:%S.%q} %-5p [%c/%i.%t] %m\n"
kea_logging_severity: "INFO"
kea_logging_debuglevel: 0
kea_logging_maxsize: 10485760  # 10 MB
kea_logging_maxver: 3

kea_logging_raw_dhcp4:
  - name: "kea-dhcp4"
    severity: "{{ kea_logging_severity }}"
    debuglevel: "{{ kea_logging_debuglevel }}"
    output_options:
      - output: "stdout"
        pattern: "{{ kea_logging_pattern }}"
      - output: "/kea/logs/dhcp4.log"
        pattern: "{{ kea_logging_pattern }}"
        maxsize: "{{ kea_logging_maxsize }}"
        maxver: "{{ kea_logging_maxver }}"

kea_logging_raw_dhcp6:
  - name: "kea-dhcp6"
    severity: "{{ kea_logging_severity }}"
    debuglevel: "{{ kea_logging_debuglevel }}"
    output_options:
      - output: "stdout"
        pattern: "{{ kea_logging_pattern }}"
      - output: "/kea/logs/dhcp6.log"
        pattern: "{{ kea_logging_pattern }}"
        maxsize: "{{ kea_logging_maxsize }}"
        maxver: "{{ kea_logging_maxver }}"

kea_logging_raw_ctrl_agent:
  - name: "kea-ctrl-agent"
    severity: "{{ kea_logging_severity }}"
    debuglevel: "{{ kea_logging_debuglevel }}"
    output_options:
      - output: "stdout"
        pattern: "{{ kea_logging_pattern }}"
      - output: "/kea/logs/ctrl-agent.log"
        pattern: "{{ kea_logging_pattern }}"
        maxsize: "{{ kea_logging_maxsize }}"
        maxver: "{{ kea_logging_maxver }}"


#
# Raw settings
#

# There are a lot more settings available for Kea, so there is no way
# we can create variables for each and every one of them. To alleviate
# this somewhat is to include "raw" variables that will just expand to
# JSON inside the respective configuration file.
# This works the same as the "kea_logging_raw_*" variables.
kea_dhcp4_raw_options: {}
kea_dhcp6_raw_options: {}
kea_ctrl_agent_raw_options: {}