55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package chaos
|
|
|
|
import (
|
|
"github.com/coredns/coredns/core/dnsserver"
|
|
"github.com/coredns/coredns/plugin"
|
|
|
|
"github.com/mholt/caddy"
|
|
)
|
|
|
|
func init() {
|
|
caddy.RegisterPlugin("chaos", caddy.Plugin{
|
|
ServerType: "dns",
|
|
Action: setup,
|
|
})
|
|
|
|
}
|
|
|
|
func setup(c *caddy.Controller) error {
|
|
version, authors, err := chaosParse(c)
|
|
if err != nil {
|
|
return plugin.Error("chaos", err)
|
|
}
|
|
|
|
dnsserver.GetConfig(c).AddPlugin(func(next plugin.Handler) plugin.Handler {
|
|
return Chaos{Next: next, Version: version, Authors: authors}
|
|
})
|
|
|
|
return nil
|
|
}
|
|
|
|
func chaosParse(c *caddy.Controller) (string, map[string]struct{}, error) {
|
|
// Set here so we pick up AppName and AppVersion that get set in coremain's init().
|
|
chaosVersion = caddy.AppName + "-" + caddy.AppVersion
|
|
|
|
version := ""
|
|
authors := make(map[string]struct{})
|
|
|
|
for c.Next() {
|
|
args := c.RemainingArgs()
|
|
if len(args) == 0 {
|
|
return chaosVersion, nil, nil
|
|
}
|
|
if len(args) == 1 {
|
|
return args[0], nil, nil
|
|
}
|
|
version = args[0]
|
|
for _, a := range args[1:] {
|
|
authors[a] = struct{}{}
|
|
}
|
|
return version, authors, nil
|
|
}
|
|
return version, authors, nil
|
|
}
|
|
|
|
var chaosVersion string
|