coredns/plugin/root/root.go
Miek Gieben d8714e64e4 Remove the word middleware (#1067)
* Rename middleware to plugin

first pass; mostly used 'sed', few spots where I manually changed
text.

This still builds a coredns binary.

* fmt error

* Rename AddMiddleware to AddPlugin

* Readd AddMiddleware to remain backwards compat
2017-09-14 09:36:06 +01:00

43 lines
838 B
Go

package root
import (
"log"
"os"
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
"github.com/mholt/caddy"
)
func init() {
caddy.RegisterPlugin("root", caddy.Plugin{
ServerType: "dns",
Action: setup,
})
}
func setup(c *caddy.Controller) error {
config := dnsserver.GetConfig(c)
for c.Next() {
if !c.NextArg() {
return plugin.Error("root", c.ArgErr())
}
config.Root = c.Val()
}
// Check if root path exists
_, err := os.Stat(config.Root)
if err != nil {
if os.IsNotExist(err) {
// Allow this, because the folder might appear later.
// But make sure the user knows!
log.Printf("[WARNING] Root path does not exist: %s", config.Root)
} else {
return plugin.Error("root", c.Errf("unable to access root path '%s': %v", config.Root, err))
}
}
return nil
}