9b7a253460
Change-Id: I1bf5f91afa1262d73acb0e494c42bdc8166f8195 Blueprint: transition-powerdns-to-pools
122 lines
3.2 KiB
Plaintext
122 lines
3.2 KiB
Plaintext
# lib/designate_plugins/backend-powerdns
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# Configure the powerdns backend
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# Enable with:
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# DESIGNATE_BACKEND_DRIVER=powerdns
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# Dependencies:
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# ``functions`` file
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# ``designate`` configuration
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# install_designate_backend - install any external requirements
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# configure_designate_backend - make configuration changes, including those to other services
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# init_designate_backend - initialize databases, etc.
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# start_designate_backend - start any external services
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# stop_designate_backend - stop any external services
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# cleanup_designate_backend - remove transient data and cache
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# Save trace setting
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DP_PDNS_XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Defaults
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# --------
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if is_fedora; then
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POWERDNS_CFG_DIR=/etc/pdns
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else
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POWERDNS_CFG_DIR=/etc/powerdns
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fi
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# Entry Points
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# ------------
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# install_designate_backend - install any external requirements
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function install_designate_backend {
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if is_ubuntu; then
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PDNS=pdns-server
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elif is_fedora || is_suse; then
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PDNS=pdns
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else
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PDNS=pdns-server
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fi
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install_package $PDNS pdns-backend-mysql
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sudo rm -rf $POWERDNS_CFG_DIR/pdns.d
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}
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# configure_designate_backend - make configuration changes, including those to other services
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function configure_designate_backend {
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iniset $DESIGNATE_CONF service:pool_manager backends powerdns
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iniset $DESIGNATE_CONF service:mdns slave_nameserver_ips_and_ports "$DESIGNATE_SERVICE_HOST:$DESIGNATE_SERVICE_PORT_DNS"
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iniset $DESIGNATE_CONF backend:powerdns server_ids $DESIGNATE_SERVER_ID
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iniset $DESIGNATE_CONF backend:powerdns connection `database_connection_url designate_pdns`
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iniset $DESIGNATE_CONF backend:powerdns masters "$DESIGNATE_SERVICE_HOST:$DESIGNATE_SERVICE_PORT_MDNS"
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iniset $DESIGNATE_CONF backend:powerdns:$DESIGNATE_SERVER_ID host $DESIGNATE_SERVICE_HOST
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iniset $DESIGNATE_CONF backend:powerdns:$DESIGNATE_SERVER_ID port $DESIGNATE_SERVICE_PORT_DNS
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sudo tee $POWERDNS_CFG_DIR/pdns.conf > /dev/null <<EOF
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# General Config
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setgid=pdns
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setuid=pdns
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config-dir=$POWERDNS_CFG_DIR
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socket-dir=/var/run
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guardian=yes
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daemon=yes
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disable-axfr=no
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local-address=$DESIGNATE_SERVICE_HOST
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local-port=$DESIGNATE_SERVICE_PORT_DNS
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master=no
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slave=yes
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cache-ttl=0
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query-cache-ttl=0
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negquery-cache-ttl=0
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EOF
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if is_service_enabled mysql; then
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sudo tee -a $POWERDNS_CFG_DIR/pdns.conf > /dev/null <<EOF
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# Launch gmysql backend
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launch=gmysql
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# gmysql parameters
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gmysql-host=$DATABASE_HOST
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gmysql-user=$DATABASE_USER
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gmysql-password=$DATABASE_PASSWORD
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gmysql-dbname=designate_pdns
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gmysql-dnssec=yes
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EOF
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else
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die $LINENO "PowerDNS backend only supports MySQL"
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fi
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restart_service pdns
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}
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# init_designate_backend - initialize databases, etc.
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function init_designate_backend {
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# (Re)create designate_pdns database
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recreate_database designate_pdns utf8
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# Init and migrate designate_pdns database
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designate-manage powerdns sync
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}
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# start_designate_backend - start any external services
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function start_designate_backend {
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start_service pdns
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}
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# stop_designate_backend - stop any external services
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function stop_designate_backend {
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stop_service pdns
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}
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# cleanup_designate_backend - remove transient data and cache
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function cleanup_designate_backend {
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:
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}
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# Restore xtrace
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$DP_PDNS_XTRACE
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