ansible/playbooks/tasks/web/nagios-ansible.cfg.j2

#
# STOP
#
# This file is managed via Ansible; any changes made WILL be overwritten
# If you need to add site-specific configuration, do it in another file!
#

# Templates
define host {
	name			ansible-linux-server
	check_period		24x7
	check_interval		5
	retry_interval		1
	max_check_attempts	10
	check_command		check-host-alive
	notification_period	24x7
	notification_interval	120
	hostgroups		ansible
	check_period		24x7
	contacts		salt
	register		0
}
define service {
	use			generic-service
	name			ansible-generic-service
	max_check_attempts	5
	check_interval		5
	retry_interval		1
	register		0
}

# Contacts
define contact {
	contact_name			salt
	host_notifications_enabled	1
	host_notification_period	24x7
	host_notification_commands	notify-host-by-email
	service_notifications_enabled	1
	service_notification_period	24x7
	service_notification_commands	notify-service-by-email
	email				rehashedsalt@cock.li
}

# Default hostgroup
define hostgroup {
	hostgroup_name		ansible
	alias			Ansible-managed Hosts
}

# Commands
# Everything here is defined in nagios_commands
{% if nagios_commands is defined %}
{% for command in nagios_commands %}
define command {
	command_name		{{ command.name }}
	command_line		{{ command.command }}
	{% if command.extra is defined %}
	{% for kvp in command.extra %}
	{{ kvp.key }} {{ kvp.value }}
	{% endfor %}
	{% endif %}
}
{% endfor %}
{% endif %}

# Services
# Everything here is defined in nagios_services
{% if nagios_services is defined %}
{% for service in nagios_services %}
define service {
	use			ansible-generic-service
	service_description	{{ service.name }}
	check_command		{{ service.command }}
	hostgroup_name		{{ service.hostgroup | default('ansible', true) }}
	{% if service.extra is defined %}
	{% for kvp in service.extra %}
	{{ kvp.key }} {{ kvp.value }}
	{% endfor %}
	{% endif %}
}
{% endfor %}
{% endif %}

# Hostgroups
# Everything here is dynamically-generated based on tags from Netbox
{% for tag in query('netbox.netbox.nb_lookup', 'tags', api_endpoint='https://netbox.desu.ltd', token=netbox_token) %}
define hostgroup {
	hostgroup_name		{{ tag.value.slug }}
	alias			{{ tag.value.display }}
}
{% endfor %}

# This list of hosts is dynamically generated based on devices and VMs tagged with "nagios" in Netbox
{% for host in query('netbox.netbox.nb_lookup', 'devices', api_endpoint='https://netbox.desu.ltd', token=netbox_token) + query('netbox.netbox.nb_lookup', 'virtual-machines', api_endpoint='https://netbox.desu.ltd', token=netbox_token)%}
{% if host.value.primary_ip %}
{% for tag in host.value.tags %}
{% if tag.slug == "nagios" %}
define host {
	use			ansible-linux-server
	host_name		{{ host.value.name }}
	alias			{{ host.value.display }}
	address			{{ host.value.primary_ip.address.split('/',1)[0] }}
	hostgroups		ansible{% for tag in host.value.tags %},{{ tag.slug }}{% endfor %}

}
{% endif %}
{% endfor %}
{% endif %}
{% endfor %}

# This list of services is dynamically generated based on services in Netbox and how they're tagged
{% for service in query('netbox.netbox.nb_lookup', 'services', api_endpoint='https://netbox.desu.ltd', token=netbox_token) %}
{% if service.value.device %}
{% set host_name = service.value.device.name %}
{% elif service.value.virtual_machine %}
{% set host_name = service.value.virtual_machine.name %}
{% endif %}
# {{ host_name }} - {{ service.value.display }}
# 	Description:	{{ service.value.description }}
# 	Created:	{{ service.value.created }}
# 	Updated:	{{ service.value.last_updated }}
{% for tag in service.value.tags %}
{# #}
{% if tag.slug == "nagios-checkhttp" %}
{% if 80 in service.value.ports %}
define service {
	use			ansible-generic-service
	service_description	HTTP - {{ service.value.name }}
	check_command		check_http!-H {{ service.value.name }} -f sticky
	host_name		{{ host_name }}
}
{% endif %}
{% if 443 in service.value.ports %}
define service {
	use			ansible-generic-service
	service_description	HTTPS - {{ service.value.name }}
	check_command		check_http!--ssl -H {{ service.value.name }} -f sticky
	host_name		{{ host_name }}
}
{% endif %}
{% endif %}
{# #}
{% if tag.slug == "nagios-checktcp" %}
{% for port in service.value.ports %}
define service {
	use			ansible-generic-service
	service_description	TCP {{ service.value.name }} - {{ port }}
	check_command		check_tcp!{{ port }}
	host_name		{{ host_name }}
}
{% endfor %}
{% endif %}
{# #}
{% endfor %}
{% endfor %}