DNSControl has a stand-alone utility that will contact a provider, download the records of one or more zones, and output them to a file in a variety of formats.
get-zones relies on command line parameters and
exclusively. It does not use
dnsconfig.js. This is to assist
bootstrapping a new system.
If you are moving a DNS zone from a provider to DNSControl, this
command will do most of the work for you by downloading the records
and writing them out in
dnsconfig.js format. It is intended to be
“a decent first draft”, only requiring minimal editing.
--format=js (djs is recommended; djs format is a
comma-leading formatting style for lists, sometimes also called Haskell style).
Minor editing is required. Not all record formats are supported. SOA records are commented out, since most providers do not support it. BIND supports it, but requires the data to be entered as meta data.
NAMESERVER() command is generated commented out. This is usually
not needed as DNSControl can get more accurate information via the
API. Remove the comments only to override the DNS service provider.
--format=zone generates BIND-style zonefiles. Pseudo records not
supported by BIND are generated as comments.
This format is useful when moving zonedata between providers, since the format is relatively universal.
This format is also useful for generating backups of DNS zones. Unlike
making a backup of the
dnsconfig.js, this is the raw records, which
may be useful.
The goal of
--format=tsv is to provide a high-fidelity format that is easy
enough to parse with
If a provider supports it,
--format=nameonly lists the names of the
zones at the provider.
dnscontrol get-zones [command options] credkey provider zone [...] --creds value Provider credentials JSON file (default: "creds.json") --format value Output format: js djs zone tsv nameonly (default: "zone") --out value Instead of stdout, write to this file --ttl value Default TTL (0 picks the zone's most common TTL) (default: 0) ARGUMENTS: credkey: The name used in creds.json (first parameter to NewDnsProvider() in dnsconfig.js) provider: The name of the provider (second parameter to NewDnsProvider() in dnsconfig.js) zone: One or more zones (domains) to download; or "all". FORMATS: --format=js dnsconfig.js format (not perfect, just a decent first draft) --format=djs js with disco commas (leading commas) --format=zone BIND zonefile format --format=tsv TAB separated value (useful for AWK) --format=nameonly Just print the zone names
The columns in
FQDN (the label with the domain) ShortName (just the label, "@" if it is the naked domain) TTL Record Type (A, AAAA, CNAME, etc.) Target and arguments (quoted like in a zonefile)
--ttl flag only applies to zone/js/djs formats.
dnscontrol get-zones myr53 ROUTE53 example.com dnscontrol get-zones gmain GANDI_V5 example.comn other.com dnscontrol get-zones cfmain CLOUDFLAREAPI all dnscontrol get-zones --format=tsv bind BIND example.com dnscontrol get-zones --format=djs --out=draft.js glcoud GCLOUD example.com`,
Read a zonefile, generate a JS file, then use the JS file to see how different it is from the zonefile:
dnscontrol get-zone --format=djs -out=foo.djs bind BIND example.org dnscontrol preview --config foo.js
This command is not implemented for all providers.
To add this to a provider:
Step 1. Document the feature
*Provider.go file, change the setting to implemented.
Step 2. Update the docs
Step 3. Implement the
GetZoneRecords function in the
It currently returns
Instead, it should gather the records from the provider and return them as a list of RecordConfig structs.
The code to do that already exists in
You should extract it into its own function (
than having it be buried in the middle of
GetDomainCorrections should call
Once that is done the
get-zone subcommand should work.
Step 4. Optionally implement the
ListZones function is implemented, the “all” special case
will be activated. In this case, listing a single zone named
will query the provider for the list of zones.
(Technically what is happening is by implementing the
function, you are completing the
ZoneLister interface for that
ListZones function also activates the
subcommand for that provider. Please add to the provider documentation
a list of error messages that people might see if the credentials are
docs/_providers/gcloud.md for examples.