Merge pull request #253 from istalker2/coredns

CoreDNS/SkyDNS provider

Gopkg.toml

@@ -24,6 +24,10 @@ ignored = ["github.com/kubernetes/repo-infra/kazel"]
   name = "github.com/cloudflare/cloudflare-go"
   version = "0.7.3"
 
+[[constraint]]
+  name = "github.com/coreos/etcd"
+  version = "~3.2.15"
+
 [[constraint]]
   name = "github.com/digitalocean/godo"
   version = "~1.1.0"

main.go

@@ -140,6 +140,8 @@ func main() {
 				AppVersion:    externaldns.Version,
 			},
 		)
+	case "coredns", "skydns":
+		p, err = provider.NewCoreDNSProvider(domainFilter, cfg.DryRun)
 	case "inmemory":
 		p, err = provider.NewInMemoryProvider(provider.InMemoryInitZones(cfg.InMemoryZones), provider.InMemoryWithDomain(domainFilter), provider.InMemoryWithLogging()), nil
 	case "designate":

pkg/apis/externaldns/types.go

@@ -168,7 +168,7 @@ func (cfg *Config) ParseFlags(args []string) error {
 	app.Flag("connector-source-server", "The server to connect for connector source, valid only when using connector source").Default(defaultConfig.ConnectorSourceServer).StringVar(&cfg.ConnectorSourceServer)
 
 	// Flags related to providers
-	app.Flag("provider", "The DNS provider where the DNS records will be created (required, options: aws, aws-sd, google, azure, cloudflare, digitalocean, dnsimple, infoblox, dyn, designate, inmemory, pdns)").Required().PlaceHolder("provider").EnumVar(&cfg.Provider, "aws", "aws-sd", "google", "azure", "cloudflare", "digitalocean", "dnsimple", "infoblox", "dyn", "designate", "inmemory", "pdns")
+	app.Flag("provider", "The DNS provider where the DNS records will be created (required, options: aws, aws-sd, google, azure, cloudflare, digitalocean, dnsimple, infoblox, dyn, designate, coredns, skydns, inmemory, pdns)").Required().PlaceHolder("provider").EnumVar(&cfg.Provider, "aws", "aws-sd", "google", "azure", "cloudflare", "digitalocean", "dnsimple", "infoblox", "dyn", "designate", "coredns", "skydns", "inmemory", "pdns")
 	app.Flag("domain-filter", "Limit possible target zones by a domain suffix; specify multiple times for multiple domains (optional)").Default("").StringsVar(&cfg.DomainFilter)
 	app.Flag("zone-id-filter", "Filter target zones by hosted zone id; specify multiple times for multiple zones (optional)").Default("").StringsVar(&cfg.ZoneIDFilter)
 	app.Flag("google-project", "When using the Google provider, current project is auto-detected, when running on GCP. Specify other project with this. Must be specified when running outside GCP.").Default(defaultConfig.GoogleProject).StringVar(&cfg.GoogleProject)