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Diffstat (limited to 'plugin/root/root.go')
-rw-r--r--plugin/root/root.go43
1 files changed, 43 insertions, 0 deletions
diff --git a/plugin/root/root.go b/plugin/root/root.go
new file mode 100644
index 000000000..56fd42c01
--- /dev/null
+++ b/plugin/root/root.go
@@ -0,0 +1,43 @@
+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
+}