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feat: (WIP) Proxy Protocol Check for Traffic Endpoint
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package acceptance_tests | ||
|
|
||
| import ( | ||
| "fmt" | ||
| . "github.com/onsi/ginkgo/v2" | ||
| . "github.com/onsi/gomega" | ||
| proxyproto "github.com/pires/go-proxyproto" | ||
| "io" | ||
| "net" | ||
| "net/http" | ||
| ) | ||
|
|
||
| var _ = Describe("Proxy Protocol", func() { | ||
| opsfileProxyProtocol := `--- | ||
| # Enable Proxy Protocol | ||
| - type: replace | ||
| path: /instance_groups/name=haproxy/jobs/name=haproxy/properties/ha_proxy/accept_proxy? | ||
| value: true | ||
| ` | ||
| It("Correctly proxies Proxy Protocol requests", func() { | ||
| haproxyBackendPort := 12000 | ||
| haproxyInfo, _ := deployHAProxy(baseManifestVars{ | ||
| haproxyBackendPort: haproxyBackendPort, | ||
| haproxyBackendServers: []string{"127.0.1"}, | ||
| deploymentName: deploymentNameForTestNode(), | ||
| }, []string{opsfileProxyProtocol}, map[string]interface{}{}, true) | ||
|
|
||
| closeLocalServer, localPort := startDefaultTestServer() | ||
| defer closeLocalServer() | ||
|
|
||
| closeTunnel := setupTunnelFromHaproxyToTestServer(haproxyInfo, haproxyBackendPort, localPort) | ||
| defer closeTunnel() | ||
|
|
||
| By("Sending a request with Proxy Protocol Header to HAProxy") | ||
| err := performProxyProtocolRequest(haproxyInfo.PublicIP, 443) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
|
|
||
| By("Sending a request without Proxy Protocol Header to HAProxy") | ||
| expect400(http.Get(fmt.Sprintf("http://%s", haproxyInfo.PublicIP))) | ||
| }) | ||
| }) | ||
|
|
||
| func performProxyProtocolRequest(ip string, port int) error { | ||
| // Dial some proxy listener e.g. https://github.com/mailgun/proxyproto | ||
| target, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("%s:%d", ip, port)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| conn, err := net.DialTCP("tcp", nil, target) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| defer func(conn *net.TCPConn) { | ||
| _ = conn.Close() | ||
| }(conn) | ||
|
|
||
| // Create a proxyprotocol header or use HeaderProxyFromAddrs() if you | ||
| // have two conn's | ||
| header := &proxyproto.Header{ | ||
| Version: 1, | ||
| Command: proxyproto.PROXY, | ||
| TransportProtocol: proxyproto.TCPv4, | ||
| SourceAddr: &net.TCPAddr{ | ||
| IP: net.ParseIP("10.1.1.1"), | ||
| Port: 1000, | ||
| }, | ||
| DestinationAddr: &net.TCPAddr{ | ||
| IP: net.ParseIP(ip), | ||
| Port: port, | ||
| }, | ||
| } | ||
| // After the connection was created write the proxy headers first | ||
| _, err = header.WriteTo(conn) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| _, err = io.WriteString(conn, "GET / HTTP/1.1\r\n\r\n") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // Read the response | ||
| buf := make([]byte, 1024) | ||
| _, err = conn.Read(buf) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| // Get HTTP status code | ||
| if string(buf[9:12]) != "200" { | ||
| return fmt.Errorf("expected HTTP status code 200, got %s", string(buf)) | ||
| } | ||
| return nil | ||
| } |
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