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Add pkg/fall for Fallthrough (#1355)

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* Add pkg/fall for Fallthrough

Move this into it's own package to facilitate tests. Important bug
was fixed: make the names fully qualified.

Add fall package to hosts, reverse, etcd, and fix kubernetes and any
tests. The k8s tests are still as-is, might need a future cleanup.
This commit is contained in:
Miek Gieben
2018-01-07 16:32:59 +00:00
committed by GitHub
parent 84ebbbc722
commit c6febe6250
22 changed files with 217 additions and 110 deletions
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28
plugin/reverse/setup.go
View File

@@ -9,6 +9,7 @@ import (
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
"github.com/coredns/coredns/plugin/pkg/fall"
"github.com/mholt/caddy"
)
@@ -21,19 +22,19 @@ func init() {
}
func setupReverse(c *caddy.Controller) error {
networks, fallThrough, err := reverseParse(c)
networks, fall, err := reverseParse(c)
if err != nil {
return plugin.Error("reverse", err)
}
dnsserver.GetConfig(c).AddPlugin(func(next plugin.Handler) plugin.Handler {
return Reverse{Next: next, Networks: networks, Fallthrough: fallThrough}
return Reverse{Next: next, Networks: networks, Fall: fall}
})
return nil
}
func reverseParse(c *caddy.Controller) (nets networks, fall bool, err error) {
func reverseParse(c *caddy.Controller) (nets networks, f *fall.F, err error) {
zones := make([]string, len(c.ServerBlockKeys))
wildcard := false
@@ -52,12 +53,12 @@ func reverseParse(c *caddy.Controller) (nets networks, fall bool, err error) {
}
_, ipnet, err := net.ParseCIDR(cidr)
if err != nil {
return nil, false, c.Errf("network needs to be CIDR formatted: %q\n", cidr)
return nil, f, c.Errf("network needs to be CIDR formatted: %q\n", cidr)
}
cidrs = append(cidrs, ipnet)
}
if len(cidrs) == 0 {
return nil, false, c.ArgErr()
return nil, f, c.ArgErr()
}
// set defaults
@@ -69,27 +70,28 @@ func reverseParse(c *caddy.Controller) (nets networks, fall bool, err error) {
switch c.Val() {
case "hostname":
if !c.NextArg() {
return nil, false, c.ArgErr()
return nil, f, c.ArgErr()
}
template = c.Val()
case "ttl":
if !c.NextArg() {
return nil, false, c.ArgErr()
return nil, f, c.ArgErr()
}
ttl, err = strconv.Atoi(c.Val())
if err != nil {
return nil, false, err
return nil, f, err
}
case "wildcard":
wildcard = true
case "fallthrough":
fall = true
f = fall.New()
f.SetZones(c.RemainingArgs())
default:
return nil, false, c.ArgErr()
return nil, f, c.ArgErr()
}
}
@@ -107,7 +109,7 @@ func reverseParse(c *caddy.Controller) (nets networks, fall bool, err error) {
// extract zone from template
templateZone := strings.SplitAfterN(template, ".", 2)
if len(templateZone) != 2 || templateZone[1] == "" {
return nil, false, c.Errf("cannot find domain in template '%v'", template)
return nil, f, c.Errf("cannot find domain in template '%v'", template)
}
// Create for each configured network in this stanza
@@ -128,7 +130,7 @@ func reverseParse(c *caddy.Controller) (nets networks, fall bool, err error) {
regexIP,
1) + "$")
if err != nil {
return nil, false, err
return nil, f, err
}
nets = append(nets, network{
@@ -143,5 +145,5 @@ func reverseParse(c *caddy.Controller) (nets networks, fall bool, err error) {
// sort by cidr
sort.Sort(nets)
return nets, fall, nil
return nets, f, nil
}