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middleware/file: Support delegations (#124)

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Return a delegation when seeing one while traversing the tree in
search of an answer.

Put the SOA and NS record in the zone.Apex as these are to be handled
somewhat special.

Lowercase record on insert to make compares easier. This lowercases
all RR that have domain names in their rdata as well.
This commit is contained in:
Miek Gieben
2016-04-16 16:16:52 +01:00
parent f783634174
commit e294c95582
14 changed files with 288 additions and 70 deletions
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30
middleware/etcd/README.md
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@@ -2,10 +2,10 @@
`etcd` enabled reading zone data from an etcd instance. The data in etcd has to be encoded as
a [message](https://github.com/skynetservices/skydns/blob/2fcff74cdc9f9a7dd64189a447ef27ac354b725f/msg/service.go#L26)
like [SkyDNS](https//github.com/skynetservices/skydns).
like [SkyDNS](https//github.com/skynetservices/skydns). It should also work just like SkyDNS.
The etcd middleware makes extensive use of the proxy middleware to forward and query
other servers in the network.
The etcd middleware makes extensive use of the proxy middleware to forward and query other servers
in the network.
## Syntax
@@ -15,7 +15,7 @@ etcd [zones...]
* `zones` zones etcd should be authoritative for.
The will default to `/skydns` as the path and the local etcd proxy (http://127.0.0.1:2379).
The path will default to `/skydns` the local etcd proxy (http://127.0.0.1:2379).
If no zones are specified the block's zone will be used as the zone.
If you want to `round robin` A and AAAA responses look at the `loadbalance` middleware.
@@ -30,10 +30,28 @@ etcd [zones...] {
}
~~~
* `stubzones` enable the stub zones feature.
* `stubzones` enable the stub zones feature. The stubzone is *only* done in the etcd tree located
under the *first* zone specified.
* `path` the path inside etcd, defaults to "/skydns".
* `endpoint` the etcd endpoints, default to "http://localhost:2397".
* `upstream` upstream resolvers to be used resolve external names found in etcd.
* `upstream` upstream resolvers to be used resolve external names found in etcd, think CNAMEs
pointing to external names. If you want CoreDNS to act as a proxy for clients you'll need to add
the proxy middleware.
* `tls` followed the cert, key and the CA's cert filenames.
## Examples
This is the default SkyDNS setup, with everying specified in full:
~~~
.:53 {
etcd {
stubzones
path /skydns
endpoint http://localhost:2397
upstream 8.8.8.8:53 8.8.4.4:53
}
loadbalance
proxy . 8.8.8.8:53 8.8.4.4:53
}
~~~