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GCE Cloud provider changes for ESIPP

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Add feature gate (ExternalTrafficLocalOnly) for alpha feature
This commit is contained in:
Girish Kalele
2016-08-15 11:22:44 -07:00
parent 4b55492570
commit b82c028f77
8 changed files with 629 additions and 62 deletions
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2
test/images/netexec/Makefile
View File

@@ -14,7 +14,7 @@
.PHONY: all netexec image push clean
TAG = 1.5
TAG = 1.6
PREFIX = gcr.io/google_containers

16
test/images/netexec/netexec.go
View File

@@ -80,6 +80,7 @@ func main() {
func startHTTPServer(httpPort int) {
http.HandleFunc("/", rootHandler)
http.HandleFunc("/clientip", clientIpHandler)
http.HandleFunc("/echo", echoHandler)
http.HandleFunc("/exit", exitHandler)
http.HandleFunc("/hostname", hostnameHandler)
@@ -102,6 +103,11 @@ func echoHandler(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "%s", r.FormValue("msg"))
}
func clientIpHandler(w http.ResponseWriter, r *http.Request) {
log.Printf("GET /clientip")
fmt.Fprintf(w, r.RemoteAddr)
}
func exitHandler(w http.ResponseWriter, r *http.Request) {
log.Printf("GET /exit?code=%s", r.FormValue("code"))
code, err := strconv.Atoi(r.FormValue("code"))
@@ -345,7 +351,7 @@ func hostNameHandler(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, getHostName())
}
// udp server only supports the hostName command.
// udp server supports the hostName, echo and clientIP commands.
func startUDPServer(udpPort int) {
serverAddress, err := net.ResolveUDPAddr("udp", fmt.Sprintf(":%d", udpPort))
assertNoError(err)
@@ -363,8 +369,8 @@ func startUDPServer(udpPort int) {
for {
n, clientAddress, err := serverConn.ReadFromUDP(buf)
assertNoError(err)
receivedText := strings.TrimSpace(string(buf[0:n]))
if receivedText == "hostName" || receivedText == "hostname" {
receivedText := strings.ToLower(strings.TrimSpace(string(buf[0:n])))
if receivedText == "hostname" {
log.Println("Sending udp hostName response")
_, err = serverConn.WriteToUDP([]byte(getHostName()), clientAddress)
assertNoError(err)
@@ -377,6 +383,10 @@ func startUDPServer(udpPort int) {
log.Printf("Echoing %v\n", resp)
_, err = serverConn.WriteToUDP([]byte(resp), clientAddress)
assertNoError(err)
} else if receivedText == "clientip" {
log.Printf("Sending back clientip to %s", clientAddress.String())
_, err = serverConn.WriteToUDP([]byte(clientAddress.String()), clientAddress)
assertNoError(err)
} else if len(receivedText) > 0 {
log.Printf("Unknown udp command received: %v\n", receivedText)
}