/
setup.go
66 lines (53 loc) · 1.32 KB
/
setup.go
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//go:generate go run owners_generate.go
package chaos
import (
"sort"
"github.com/coredns/caddy"
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
)
func init() { plugin.Register("chaos", setup) }
func setup(c *caddy.Controller) error {
version, authors, err := parse(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 parse(c *caddy.Controller) (string, []string, error) {
// Set here so we pick up AppName and AppVersion that get set in coremain's init().
chaosVersion = caddy.AppName + "-" + caddy.AppVersion
version := ""
if c.Next() {
args := c.RemainingArgs()
if len(args) == 0 {
return trim(chaosVersion), Owners, nil
}
if len(args) == 1 {
return trim(args[0]), Owners, nil
}
version = args[0]
authors := make(map[string]struct{})
for _, a := range args[1:] {
authors[a] = struct{}{}
}
list := []string{}
for k := range authors {
k = trim(k) // limit size to 255 chars
list = append(list, k)
}
sort.Strings(list)
return version, list, nil
}
return version, Owners, nil
}
func trim(s string) string {
if len(s) < 256 {
return s
}
return s[:255]
}
var chaosVersion string