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https://github.com/coredns/coredns.git
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710c9b111f
This PR adds the *root* middleware that specifies a path where all zone file (the *file* middleware is the only consumer now) can be found. It works the same as in Caddy. Documentation can be found in the README.md of the middleware. Fixes #307
43 lines
755 B
Go
43 lines
755 B
Go
package root
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import (
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"log"
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"os"
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"github.com/miekg/coredns/core/dnsserver"
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"github.com/mholt/caddy"
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)
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func init() {
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caddy.RegisterPlugin("root", caddy.Plugin{
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ServerType: "dns",
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Action: setup,
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})
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}
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func setup(c *caddy.Controller) error {
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config := dnsserver.GetConfig(c)
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for c.Next() {
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if !c.NextArg() {
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return c.ArgErr()
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}
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config.Root = c.Val()
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}
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// Check if root path exists
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_, err := os.Stat(config.Root)
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if err != nil {
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if os.IsNotExist(err) {
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// Allow this, because the folder might appear later.
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// But make sure the user knows!
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log.Printf("[WARNING] Root path does not exist: %s", config.Root)
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} else {
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return c.Errf("Unable to access root path '%s': %v", config.Root, err)
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}
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}
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return nil
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}
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