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path: root/fdio.infra.ansible/roles/nomad/defaults/main.yaml
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---
# file: roles/nomad/defaults/main.yaml

# Prerequisites
packages: "{{ packages_base + packages_by_distro[ansible_distribution | lower] + packages_by_arch[ansible_machine] }}"
packages_base:
  - "curl"
  - "git"
  - "unzip"
packages_by_distro:
  ubuntu:
    - []
packages_by_arch:
  aarch64:
    - []
  x86_64:
    - []

# Package
nomad_version: "{{ lookup('env','NOMAD_VERSION') | default('1.0.4', true) }}"
nomad_architecture_map:
  amd64: "amd64"
  x86_64: "amd64"
  armv7l: "arm"
  aarch64: "arm64"
  32-bit: "386"
  64-bit: "amd64"
nomad_architecture: "{{ nomad_architecture_map[ansible_architecture] }}"
nomad_pkg: "nomad_{{ nomad_version }}_linux_{{nomad_architecture}}.zip"
nomad_zip_url: "https://releases.hashicorp.com/nomad/{{ nomad_version }}/nomad_{{ nomad_version }}_linux_{{nomad_architecture}}.zip"
nomad_checksum_file_url: "https://releases.hashicorp.com/nomad/{{ nomad_version }}/nomad_{{ nomad_version}}_SHA256SUMS"
nomad_podman_enable: false
nomad_podman_version: "{{ lookup('env','NOMAD_PODMAN_VERSION') | default('0.1.0', true) }}"
nomad_podman_pkg: "nomad-driver-podman_{{ nomad_podman_version }}_linux_{{nomad_architecture}}.zip"
nomad_podman_url: "https://releases.hashicorp.com/nomad-driver-podman/{{ nomad_podman_version }}"
nomad_podman_zip_url: "{{ nomad_podman_url }}/{{ nomad_podman_pkg }}"
nomad_podman_checksum_file_url: "{{ nomad_podman_url }}/nomad-driver-podman_{{ nomad_podman_version }}_SHA256SUMS"

# Paths
nomad_inst_dir: "/opt"
nomad_bin_dir: "/usr/local/bin"
nomad_config_dir: "/etc/nomad.d"
nomad_data_dir: "/var/nomad"
nomad_plugin_dir: "{{ nomad_data_dir }}/plugins"
nomad_lockfile: "/var/lock/subsys/nomad"
nomad_run_dir: "/var/run/nomad"
nomad_ssl_dir: "/etc/nomad.d/ssl"

# Initialization and startup script templates
nomad_restart_handler_state: "restarted"

# System user and group
nomad_group: "nomad"
nomad_group_state: "present"
nomad_user: "nomad"
nomad_user_state: "present"

# Nomad settings
nomad_datacenter: "dc1"
nomad_region: "global"
nomad_log_level: "INFO"
nomad_syslog_enable: true
nomad_iface: "{{ lookup('env','NOMAD_IFACE') | default(ansible_default_ipv4.interface, true) }}"
nomad_node_name: "{{ inventory_hostname }}"
nomad_node_role: "{{ lookup('env','NOMAD_NODE_ROLE') | default('client', true) }}"
nomad_leave_on_terminate: true
nomad_leave_on_interrupt: false
nomad_disable_update_check: true
nomad_enable_debug: false

# Server settings
nomad_bootstrap_expect: 2
nomad_encrypt: ""
nomad_retry_join: true
# Specifies how long a node must be in a terminal state before it is garbage
# collected and purged from the system.
nomad_node_gc_threshold: "24h"
# Specifies the interval between the job garbage collections. Only jobs who have
# been terminal for at least job_gc_threshold will be collected.
nomad_job_gc_interval: "10m"
# Specifies the minimum time a job must be in the terminal state before it is
# eligible for garbage collection.
nomad_job_gc_threshold: "4h"
# Specifies the minimum time an evaluation must be in the terminal state before
# it is eligible for garbage collection.
nomad_eval_gc_threshold: "1h"
# Specifies the minimum time a deployment must be in the terminal state before
# it is eligible for garbage collection.
nomad_deployment_gc_threshold: "1h"
nomad_encrypt_enable: "{{ lookup('env','NOMAD_ENCRYPT_ENABLE') | default('false', true) }}"
nomad_raft_protocol: 2

# Client settings
nomad_certificates:
  - src: "{{ file_nomad_ca_pem }}"
    dest: "{{ nomad_ca_file }}"
  - src: "{{ file_nomad_client_pem }}"
    dest: "{{ nomad_cert_file }}"
  - src: "{{ file_nomad_client_key_pem }}"
    dest: "{{ nomad_key_file }}"
nomad_node_class: ""
nomad_no_host_uuid: true
nomad_max_kill_timeout: "30s"
nomad_gc_interval: "1m"
nomad_gc_disk_usage_threshold: 80
nomad_gc_inode_usage_threshold: 70
nomad_gc_parallel_destroys: 2
nomad_reserved:
  cpu: "{{ nomad_reserved_cpu | default('0', true) }}"
  memory: "{{ nomad_reserved_memory | default('0', true) }}"
  disk: "{{ nomad_reserved_disk | default('0', true) }}"
  ports: "{{ nomad_reserved_ports | default('22', true) }}"
nomad_volumes: []
nomad_options: {}
nomad_meta: {}
nomad_chroot_env: false
nomad_plugins: {}

# Addresses
nomad_bind_address: "{{ hostvars[inventory_hostname]['ansible_'+ nomad_iface ]['ipv4']['address'] }}"
nomad_advertise_address: "{{ hostvars[inventory_hostname]['ansible_' + nomad_iface]['ipv4']['address'] }}"

# Ports
nomad_ports:
  http: "{{ nomad_ports_http | default('4646', true) }}"
  rpc: "{{ nomad_ports_rpc | default('4647', true) }}"
  serf: "{{ nomad_ports_serf | default('4648', true) }}"

# Servers
nomad_group_name: "nomad"
nomad_servers: "\
  {% if nomad_use_consul==false %}\
    {% set _nomad_servers = [] %}\
    {% for host in groups[nomad_group_name] %}\
      {% set _nomad_node_role = hostvars[host]['nomad_node_role'] | default('client', true) %}\
      {% if ( _nomad_node_role == 'server' or _nomad_node_role == 'both') %}\
        {% if _nomad_servers.append(host) %}{% endif %}\
      {% endif %}\
    {% endfor %}\
    {{ _nomad_servers }}\
    {% else %}\
    []\
  {% endif %}"
nomad_gather_server_facts: false

# Consul
nomad_use_consul: true
nomad_consul_address: "localhost:8500"
nomad_consul_token: ""
nomad_consul_servers_service_name: "nomad"
nomad_consul_clients_service_name: "nomad-client"
nomad_consul_tags: {}

# ACLs
nomad_acl_enabled: "{{ lookup('env', 'NOMAD_ACL_ENABLED') | default('no', true) }}"
nomad_acl_token_ttl: "30s"
nomad_acl_policy_ttl: "30s"
nomad_acl_replication_token: ""

# Vault
nomad_vault_enabled: "{{ lookup('env', 'NOMAD_VAULT_ENABLED') | default('no', true) }}"
nomad_vault_address: "{{ vault_address | default('0.0.0.0', true) }}"
nomad_vault_allow_unauthenticated: true
nomad_vault_create_from_role: ""
nomad_vault_task_token_ttl: ""
nomad_vault_ca_file: ""
nomad_vault_ca_path: ""
nomad_vault_cert_file: ""
nomad_vault_key_file: ""
nomad_vault_tls_server_name: ""
nomad_vault_tls_skip_verify: false
nomad_vault_token: ""
nomad_vault_namespace: ""

# Docker
nomad_docker_enable: "{{ lookup('env','NOMAD_DOCKER_ENABLE') | default('false', true) }}"
nomad_docker_dmsetup: true

# TLS
nomad_tls_enable: true
nomad_ca_file: "{{ nomad_ssl_dir }}/ca.pem"
nomad_cert_file: "{{ nomad_ssl_dir }}/nomad.pem"
nomad_key_file: "{{ nomad_ssl_dir }}/nomad-key.pem"
nomad_http: false
nomad_rpc: false
nomad_rpc_upgrade_mode: false
nomad_verify_server_hostname: false
nomad_verify_https_client: false

# Conf - autopilot.hcl
nomad_autopilot_cleanup_dead_servers: true
nomad_autopilot_last_contact_threshold: "200ms"
nomad_autopilot_max_trailing_logs: 250
nomad_autopilot_server_stabilization_time: "10s"

# Telemetry
nomad_telemetry: true
nomad_telemetry_disable_hostname: false
nomad_telemetry_collection_interval: 60s
nomad_telemetry_use_node_name: false
nomad_telemetry_publish_allocation_metrics: true
nomad_telemetry_publish_node_metrics: true
nomad_telemetry_prometheus_metrics: true