autoconf.sh

#
# This script is used to run some playbooks according to the hostname.
#
# First of all, some Openstack variables are set to interact with the API:
#  * custom certificate
#  * openrc file
# Then, two global variables are exported:
#  * the number of controlplane nodes (useful for pacemaker for example)
#  * some ansible options
# Finally, each server type sets some specific variables
#
for f in $REPO_PATH/files/*.pem ; do
	export OS_CACERT=$f
done

for f in $REPO_PATH/files/*openrc* ; do
	export OPENRC_FILE=$f
	source $f
done

export CONTROLPLANE_NODES_NUMBER=$(openstack server list --name controlplane | grep -c controlplane)

export ANSIBLE_PLAYBOOK_OPTS=" \
	/root/.ansible/roles/cloud-dbaas-ansible/autoconf_controlplane.yml \
	-e@$ETC_PATH/instances_variables.yml \
	-e monitoring_consul_cluster={{ansible_default_ipv4.address}} \
	-e nomad_bootstrap_expect=$CONTROLPLANE_NODES_NUMBER \
	-e monitoring_consul_ui=false \
	-e openstack_ha_node_openrc_source=$OPENRC_FILE \
	-e openstack_ha_node_ca_cert_source=$OS_CACERT"

#
# Master auto-conf:
#  * Consul and Nomad server
#  * No additional interface to listen on for dnsmasq
#
if echo $HOSTNAME | grep -q controlplane ; then
	ansible-playbook $ANSIBLE_PLAYBOOK_OPTS -t os-ready,controlplane \
		-e consul_server_mode=true \
		-e nomad_config_consul=true \
		-e nomad_server_mode=true \
		-e dnsmasq_listening_interfaces="{{['lo']|from_yaml}}"
fi

#
# LB auto-conf:
#  * nodes facts are collected and an Ansible local facts file is written
#  * we get the public address from HEAT
#  * the core volume id is provided as an env variable for the playbook
#  * the nodes are self-configured, we need to cleanup consul resources at the end
#
if echo $HOSTNAME | grep -q lb ; then
	source /root/.ansible/roles/cloud-dbaas-ansible/files/generate_local_facts.sh lb

	export PUBLIC_IP=$(openstack stack show ip -c outputs -f yaml \
		| grep -A 1 publication_floating_ip_id \
		| awk '/output_value:/ {print $NF}')
	
	export CORE_VOLUME=$( openstack volume list -f value \
		| fgrep $HOSTNAME \
		| awk '/core/ {print $1}')

	export ANSIBLE_PLAYBOOK_OPTS="$ANSIBLE_PLAYBOOK_OPTS \
		-e cluster_node_attribute_value=lb \
		-e publication_floating_ip_id=$PUBLIC_IP \
		-e monitoring_consul_ui=true"

	ansible-playbook $ANSIBLE_PLAYBOOK_OPTS -t os-ready,pacemaker,traefik \
		-e dnsmasq_listening_interfaces="{{['lo']|from_yaml}}"

	sleep 120

	crm_resource --cleanup --resource traefik-service
	crm_resource --cleanup --resource publication-ip
	
	if ! /usr/local/bin/consul members | grep -q server ; then
		crm_resource --restart --resource consul-service
	fi
	
	sleep 30
	crm_resource --cleanup --resource consul-info
fi

#
# DB auto-conf:
#  * nodes facts are collected and an Ansible local facts file is written
#  * the docker volume id is provided as an env variable for the playbook
#  * the core volume id is provided as an env variable for the playbook
#  * the nodes are self-configured, we need to cleanup consul resources at the end
#
if echo $HOSTNAME | grep -q db ; then
	source /root/.ansible/roles/cloud-dbaas-ansible/files/generate_local_facts.sh $DB_NAME
	
	export DOCKER_VOLUME=$(openstack volume list -f value \
		| fgrep $HOSTNAME \
		| awk '/docker/ {print $1}')
	
	export CORE_VOLUME=$(openstack volume list -f value \
		| fgrep $HOSTNAME \
		| awk '/core/ {print $1}')	

	export ANSIBLE_PLAYBOOK_OPTS="$ANSIBLE_PLAYBOOK_OPTS \
		-e cluster_node_attribute_value=$DB_NAME"

	if lsb_release -d | grep -qi ubuntu ; then
		export ANSIBLE_PLAYBOOK_OPTS="$ANSIBLE_PLAYBOOK_OPTS \
			-e ha_storage_openstack_cloud_info_resource=c-cloud-info"
	fi

	ansible-playbook $ANSIBLE_PLAYBOOK_OPTS -t os-ready \
		-e dnsmasq_listening_interfaces="{{['lo']|from_yaml}}"
	ansible-playbook $ANSIBLE_PLAYBOOK_OPTS -t node \
		-e 'docker_options="--dns {{ansible_docker0.ipv4.address}}"'
	ansible-playbook $ANSIBLE_PLAYBOOK_OPTS -t pacemaker
	sleep 20
	crm_resource --cleanup

	if ! /usr/local/bin/consul members | grep -q server ; then
		crm_resource --restart --resource consul-service
	fi
fi

#
# Bastion auto-conf:
#  * this instance is only used as a gateway
#  * in production environment we do not need them
#
if echo $HOSTNAME | grep -q bastion ; then
	ansible-playbook $ANSIBLE_PLAYBOOK_OPTS -t os-ready
fi