Move golang code to third_party

pkg/apiserver/proxy.go

@@ -37,6 +37,7 @@ import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util/httpstream"
 
+	"github.com/GoogleCloudPlatform/kubernetes/third_party/golang/netutil"
 	"github.com/golang/glog"
 	"golang.org/x/net/html"
 )
@@ -184,7 +185,7 @@ func (r *ProxyHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	connectionHeader := strings.ToLower(req.Header.Get(httpstream.HeaderConnection))
 	if strings.Contains(connectionHeader, strings.ToLower(httpstream.HeaderUpgrade)) && len(req.Header.Get(httpstream.HeaderUpgrade)) > 0 {
 		//TODO support TLS? Doesn't look like proxyTransport does anything special ...
-		dialAddr := util.CanonicalAddr(destURL)
+		dialAddr := netutil.CanonicalAddr(destURL)
 		backendConn, err := net.Dial("tcp", dialAddr)
 		if err != nil {
 			status := errToAPIStatus(err)

pkg/util/httpstream/spdy/roundtripper.go

@@ -25,8 +25,8 @@ import (
 	"net/http"
 	"strings"
 
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util/httpstream"
+	"github.com/GoogleCloudPlatform/kubernetes/third_party/golang/netutil"
 )
 
 // SpdyRoundTripper knows how to upgrade an HTTP request to one that supports
@@ -55,7 +55,7 @@ func NewRoundTripper(tlsConfig *tls.Config) httpstream.UpgradeRoundTripper {
 
 // dial dials the host specified by req, using TLS if appropriate.
 func (s *SpdyRoundTripper) dial(req *http.Request) (net.Conn, error) {
-	dialAddr := util.CanonicalAddr(req.URL)
+	dialAddr := netutil.CanonicalAddr(req.URL)
 
 	if req.URL.Scheme == "http" {
 		return net.Dial("tcp", dialAddr)

pkg/util/net.go

@@ -19,7 +19,6 @@ package util
 import (
 	"fmt"
 	"net"
-	"net/url"
 	"strings"
 )
 
@@ -62,24 +61,3 @@ func (ipnet *IPNet) Set(value string) error {
 func (*IPNet) Type() string {
 	return "ipNet"
 }
-
-// FROM: http://golang.org/src/net/http/client.go
-// Given a string of the form "host", "host:port", or "[ipv6::address]:port",
-// return true if the string includes a port.
-func hasPort(s string) bool { return strings.LastIndex(s, ":") > strings.LastIndex(s, "]") }
-
-// FROM: http://golang.org/src/net/http/transport.go
-var portMap = map[string]string{
-	"http":  "80",
-	"https": "443",
-}
-
-// FROM: http://golang.org/src/net/http/transport.go
-// canonicalAddr returns url.Host but always with a ":port" suffix
-func CanonicalAddr(url *url.URL) string {
-	addr := url.Host
-	if !hasPort(addr) {
-		return addr + ":" + portMap[url.Scheme]
-	}
-	return addr
-}

third_party/golang/LICENSE

@@ -0,0 +1,27 @@
+Copyright (c) 2012 The Go Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

third_party/golang/PATENTS

@@ -0,0 +1,22 @@
+Additional IP Rights Grant (Patents)
+
+"This implementation" means the copyrightable works distributed by
+Google as part of the Go project.
+
+Google hereby grants to You a perpetual, worldwide, non-exclusive,
+no-charge, royalty-free, irrevocable (except as stated in this section)
+patent license to make, have made, use, offer to sell, sell, import,
+transfer and otherwise run, modify and propagate the contents of this
+implementation of Go, where such license applies only to those patent
+claims, both currently owned or controlled by Google and acquired in
+the future, licensable by Google that are necessarily infringed by this
+implementation of Go.  This grant does not include claims that would be
+infringed only as a consequence of further modification of this
+implementation.  If you or your agent or exclusive licensee institute or
+order or agree to the institution of patent litigation against any
+entity (including a cross-claim or counterclaim in a lawsuit) alleging
+that this implementation of Go or any code incorporated within this
+implementation of Go constitutes direct or contributory patent
+infringement, or inducement of patent infringement, then any patent
+rights granted to you under this License for this implementation of Go
+shall terminate as of the date such litigation is filed.

third_party/golang/netutil/addr.go

@@ -0,0 +1,27 @@
+package netutil
+
+import (
+	"net/url"
+	"strings"
+)
+
+// FROM: http://golang.org/src/net/http/client.go
+// Given a string of the form "host", "host:port", or "[ipv6::address]:port",
+// return true if the string includes a port.
+func hasPort(s string) bool { return strings.LastIndex(s, ":") > strings.LastIndex(s, "]") }
+
+// FROM: http://golang.org/src/net/http/transport.go
+var portMap = map[string]string{
+	"http":  "80",
+	"https": "443",
+}
+
+// FROM: http://golang.org/src/net/http/transport.go
+// canonicalAddr returns url.Host but always with a ":port" suffix
+func CanonicalAddr(url *url.URL) string {
+	addr := url.Host
+	if !hasPort(addr) {
+		return addr + ":" + portMap[url.Scheme]
+	}
+	return addr
+}