Makefile to help manage bind zone files

Makefile.bind

#
# Makefile for managing zone updates
#
# Dependencies:
#	mkrdns	- https://github.com/jdkelleher/mkrdns
# 	zsu	- https://metacpan.org/pod/release/AZS/zsu-1.20/zsu
#


BASE_DIR=/etc/bind/primary

MKRDNS=$(BASE_DIR)/mkrdns

ZSU=$(BASE_DIR)/zsu

NAMED_CONF=$(BASE_DIR)/../named.conf

# this is a link to /etc/bind/named.conf.local to be Debian friendly and avoid mkrdns running on dist provided zones
MKRDNS_NAMED_CONF=$(BASE_DIR)/local.conf

MAINTAINED_ZONE_FILES=$(wildcard $(BASE_DIR)/db.*)

MANAGED_ZONE_FILES=$(wildcard $(BASE_DIR)/managed/db.*)




all: serial rdns check reload


serial: 
	@# Only update serials in maintained zone files
	@# Since an inplace update is perfomed, no dependency check is possible and this will always run.
	@$(ZSU) -v -f $(MAINTAINED_ZONE_FILES)


rdns: .sentinel.rdns
	@:

.sentinel.rdns: $(MAINTAINED_ZONE_FILES)
	@# use debug output to create sentinel file
	$(MKRDNS) -debug $(MKRDNS_NAMED_CONF) > $(BASE_DIR)/$@


check: rdns
	@# check the full bind configuration and all includes
	named-checkconf $(NAMED_CONF)
	@# need to loop through both maintained and managed zone file to check zones
	@# syntax is "named-checkzone <zonename> <filename>" so use perl to grab the zone name from the file
	@for ZF in $(MAINTAINED_ZONE_FILES) $(MANAGED_ZONE_FILES) ; do \
		named-checkzone `perl -n -e 'print if s/^.ORIGIN\s+(\S+).$$/$$1/;' $$ZF` $$ZF ; \
	done


reload: check
	sudo service bind9 restart


# declare all phony targets
.PHONY: serial check reload