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| author |  Cricket Liu <cricket@infoblox.com>
| 2019-08-14 10:48:15 -0700 |
|---|---|---|
| committer |  Chris O'Haver <cohaver@infoblox.com>
| 2019-08-14 13:48:14 -0400 |
| commit | d42f54467f1133a0a237fbbfb12e2ffa4c92323f (patch) | |
| tree | 964ab69d9c9d0f7cbfa132693b635d05135e771a /plugin/k8s_external | |
| parent | 70b9cdb541cf4bd257f4a6f25a8059e7875496b6 (diff) | |
| download | coredns-d42f54467f1133a0a237fbbfb12e2ffa4c92323f.tar.gz coredns-d42f54467f1133a0a237fbbfb12e2ffa4c92323f.tar.zst coredns-d42f54467f1133a0a237fbbfb12e2ffa4c92323f.zip | |
Update README.md (#3131)
Just minor textual cleanup.
Diffstat (limited to 'plugin/k8s_external')
| -rw-r--r-- | plugin/k8s_external/README.md | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/plugin/k8s_external/README.md b/plugin/k8s_external/README.md index f24c9a771..596026523 100644 --- a/plugin/k8s_external/README.md +++ b/plugin/k8s_external/README.md @@ -10,10 +10,10 @@ This plugin allows an additional zone to resolve the external IP address(es) of service. This plugin is only useful if the *kubernetes* plugin is also loaded. The plugin uses an external zone to resolve in-cluster IP addresses. It only handles queries for A, -AAAA and SRV records, all others result in NODATA responses. To make it a proper DNS zone it handles +AAAA and SRV records; all others result in NODATA responses. To make it a proper DNS zone, it handles SOA and NS queries for the apex of the zone. -By default the apex of the zone will look like (assuming the zone used is `example.org`): +By default the apex of the zone will look like the following (assuming the zone used is `example.org`): ~~~ dns example.org. 5 IN SOA ns1.dns.example.org. hostmaster.example.org. ( @@ -29,11 +29,11 @@ ns1.dns.example.org. 5 IN A .... ns1.dns.example.org. 5 IN AAAA .... ~~~ -Note we use the `dns` subdomain to place the records the DNS needs (see the `apex` directive). Also +Note that we use the `dns` subdomain for the records DNS needs (see the `apex` directive). Also note the SOA's serial number is static. The IP addresses of the nameserver records are those of the CoreDNS service. -The *k8s_external* plugin handles the subdomain `dns` and the apex of the zone by itself, all other +The *k8s_external* plugin handles the subdomain `dns` and the apex of the zone itself; all other queries are resolved to addresses in the cluster. ## Syntax @@ -44,7 +44,7 @@ k8s_external [ZONE...] * **ZONES** zones *k8s_external* should be authoritative for. -If you want to change the apex domain or use a different TTL for the return records you can use +If you want to change the apex domain or use a different TTL for the returned records you can use this extended syntax. ~~~ @@ -54,12 +54,12 @@ k8s_external [ZONE...] { } ~~~ -* **APEX** is the name (DNS label) to use the apex records, defaults to `dns`. +* **APEX** is the name (DNS label) to use for the apex records; it defaults to `dns`. * `ttl` allows you to set a custom **TTL** for responses. The default is 5 (seconds). # Examples -Enable names under `example.org` to be resolved to in cluster DNS addresses. +Enable names under `example.org` to be resolved to in-cluster DNS addresses. ~~~ . { @@ -68,7 +68,7 @@ Enable names under `example.org` to be resolved to in cluster DNS addresses. } ~~~ -With the Corefile above, the following Service will get an `A` record for `test.default.example.org` with IP address `192.168.200.123`. +With the Corefile above, the following Service will get an `A` record for `test.default.example.org` with the IP address `192.168.200.123`. ~~~ apiVersion: v1 |