add_dns_records.sh

#!/bin/bash

. functions.sh

setup_domain()
{
    domains=$(maas ${maas_profile} domains read)

    my_domain=$(echo $domains | jq '.[] | select(.name=="example.com")')

    if [[ -z $my_domain ]] ; then

        maas ${maas_profile} domains create name="example.com"
    fi
}

get_ip_from_juju()
{
    from_app=""

    case $dns_name in
        "landscape")
            juju_name="landscape-haproxy"
            from_app="true"
            ;;
        "graylog"|"nagios")
            juju_name=${dns_name}
            from_app="true"
            ;;
	"dashboard")
            juju_name="openstack-dashboard"
            ;;
	"neutron")
            juju_name="neutron-api"
            ;;
	"nova")
            juju_name="nova-cloud-controller"
            ;;
        *)
            juju_name=${dns_name}
            ;;
    esac

    [[ -n "$from_app" ]] && juju status ${juju_name} --format json | jq .applications[\"${juju_name}\"].units[][\"public-address\"] | sed s/\"//g
    [[ -z "$from_app" ]] && juju config ${juju_name} vip

}

add_record()
{
    dns_name=$1
    maas_dns_ip=$(get_ip_from_juju $dns_name)

    dns_name_result=$(maas ${maas_profile} dnsresources read name=${dns_name}-internal)

    if [[ -n $(echo $dns_name_result | jq .[]) ]] ; then

        dns_id=$(echo $dns_name_result | jq .[].id)
        dns_ip=$(maas ${maas_profile} dnsresource update ${dns_id} fqdn=${dns_name}-internal.example.com ip_addresses=${maas_dns_ip})
    else
        dns_ip=$(maas ${maas_profile} dnsresources create fqdn=${dns_name}-internal.example.com ip_addresses=${maas_dns_ip})
    fi

    dns_cname_result=$(maas ${maas_profile} dnsresource-records read rrtype=CNAME name=${dns_name})

    if [[ -n $(echo $dns_cname_result | jq .[]) ]] ; then

        dns_id=$(echo $dns_cname_result | jq .[].id)
        dns_cname=$(maas ${maas_profile} dnsresource-record update ${dns_id} rrtype=cname rrdata=${dns_name}-internal.example.com.)
    else
        dns_cname=$(maas ${maas_profile} dnsresource-records create fqdn=${dns_name}.example.com rrtype=cname rrdata=${dns_name}-internal.example.com.)
    fi

}

read_configs
maas_login

setup_domain

for app in ${maas_dns_names[*]} landscape graylog nagios ; do
    add_record ${app}
done