coredns/plugin/root/root.go
Yong Tang f8bba51f84
Update Caddy to 1.0.1, and update import path (#2961)
* Update Caddy to 1.0.1, and update import path

This fix updates caddy to 1.0.1 and also
updates the import path to github.com/caddyserver/caddy

This fix fixes 2959

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Also update plugin.cfg

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Update and bump zplugin.go

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2019-07-03 09:04:47 +08:00

45 lines
917 B
Go

package root
import (
"os"
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
clog "github.com/coredns/coredns/plugin/pkg/log"
"github.com/caddyserver/caddy"
)
var log = clog.NewWithPlugin("root")
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.Warningf("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
}