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DNS
===

A DNS Server with an Web UI and using Redis a configuration store

## Installation

	brew install redis
	sudo npm install -g dns

## Startup

	/usr/local/opt/redis/bin/redis-server /usr/local/etc/redis.conf >& /tmp/redis.log &
	sudo dns >& /tmp/dns.log &

## Web UI

	open http://localhost:8053

## REDIS CONFIGURATION

	REDIS_PORT_6379_TCP_ADDR  (default: 127.0.0.1)
    REDIS_PORT_6379_TCP_PORT  (default: 6379)

## DNS CONFIGURATION

    DNSINTERFACE (default: 0.0.0.0)
    DNSPORT      (default: 53 <- require root privilege to run)
    DNSZONE      (default: local.dev)
    DNSTTL       (default: 3600 <- one hour)
    DNSPREFIX    (default: "dns:" <- key prefix in redis)
    DNSPRIMARY   (default: 8.8.8.8)
    DNSSECONDARY (default: 8.8.4.4)
    DNSTIMEOUT   (default: 1000 <- 1 second)

## REST ROUTES

	* GET /dns/api/v1/name

		List all host to ip address mapping

	* GET /dns/api/v1/name/{host}

		Return the ip address of only that host

	* PUT /dns/api/v1/name/{host}

		Create or Modify the ip address for "host"

	* DELETE /dns/api/v1/name/{host}

		Remove the host from the DNS

	* DELETE /dns/api/v1/name?force=true

		Remove all host from the DNS

	* GET /dns/api/v1/zone

		Return the DNS ZONE

	* GET /dns/api/v1/status

		Return the DNS status


## To create or modify a host in the DNS configuration

    Single host
	curl -X PUT -H 'Content-Type: application/json' -d '{"ipv4":["192.168.1.1"], "ipv6":["2605:f8b0:4006:802:0:0:0:1010"]}' http://localhost:8053/dns/api/v1/name/database.domain.com
	
	Multiple hosts
    curl -X PUT -H 'Content-Type: application/json' -d '{"ipv4":["192.168.1.1","192.168.1.2"], "ipv6":["2605:f8b0:4006:802:0:0:0:1010","2605:f8b0:4006:802:0:0:0:1011"]}' http://localhost:8053/dns/api/v1/name/database.domain.com

## To query the address of a host

	curl http://localhost:8053/dns/api/v1/name/database.domain.com
	or
	dig @127.0.0.1 database.domain.com
	or
	dig @127.0.0.1 database.domain.com AAAA

## To remove a host from the registry

	curl -X DELETE http://localhost:8053/dns/api/v1/name/database.domain.com

# UPGRADING from 0.0.9 or 0.1.0 to a version greater than 0.1.0

You will need to clear your redis configuration before running the new version.

    curl -X DELETE http://localhost:8053/dns/api/v1/name\?force\=true
    or
    for key in `echo 'KEYS dns*' | redis-cli | awk '{print $1}'` ; do echo DEL $key ; done | redis-cli