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miekg Stop importing testing in the main binary (#2479)
* Stop importing testing in the main binary

Stop importing "testing" into the main binary:

* test/helpers.go imported it; remote that and change function signature
* update all tests that use this

Signed-off-by: Miek Gieben <>

* Drop import testing from metrics plugin

Signed-off-by: Miek Gieben <>

* more fiddling

Signed-off-by: Miek Gieben <>
Latest commit 725becd Jan 19, 2019



autopath - allows for server-side search path completion.


If it sees a query that matches the first element of the configured search path, autopath will follow the chain of search path elements and return the first reply that is not NXDOMAIN. On any failures, the original reply is returned. Because autopath returns a reply for a name that wasn't the original question it will add a CNAME that points from the original name (with the search path element in it) to the name of this answer.


autopath [ZONE...] RESOLV-CONF
  • ZONES zones autopath should be authoritative for.
  • RESOLV-CONF points to a resolv.conf like file or uses a special syntax to point to another plugin. For instance @kubernetes, will call out to the kubernetes plugin (for each query) to retrieve the search list it should use.

If a plugin implements the AutoPather interface then it can be used.


If monitoring is enabled (via the prometheus directive) then the following metric is exported:

  • coredns_autopath_success_count_total{server} - counter of successfully autopath-ed queries.

The server label is explained in the metrics plugin documentation.


autopath my-resolv.conf

Use my-resolv.conf as the file to get the search path from. This file only needs so have one line: search domain1 domain2 ...

autopath @kubernetes

Use the search path dynamically retrieved from the kubernetes plugin.

Known Issues

Autopath is not compatible with pods running from Windows nodes.