caddy/caddytest/integration/reverseproxy_test.go

492 lines
8.8 KiB
Go

package integration
import (
"fmt"
"net"
"net/http"
"os"
"runtime"
"strings"
"testing"
"github.com/caddyserver/caddy/v2/caddytest"
)
func TestSRVReverseProxy(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":8080"
],
"routes": [
{
"handle": [
{
"handler": "reverse_proxy",
"upstreams": [
{
"lookup_srv": "srv.host.service.consul"
}
]
}
]
}
]
}
}
}
}
}
`, "json")
}
func TestSRVWithDial(t *testing.T) {
caddytest.AssertLoadError(t, `
{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":8080"
],
"routes": [
{
"handle": [
{
"handler": "reverse_proxy",
"upstreams": [
{
"dial": "tcp/address.to.upstream:80",
"lookup_srv": "srv.host.service.consul"
}
]
}
]
}
]
}
}
}
}
}
`, "json", `upstream: specifying dial address is incompatible with lookup_srv: 0: {\"dial\": \"tcp/address.to.upstream:80\", \"lookup_srv\": \"srv.host.service.consul\"}`)
}
func TestDialWithPlaceholderUnix(t *testing.T) {
if runtime.GOOS == "windows" {
t.SkipNow()
}
f, err := os.CreateTemp("", "*.sock")
if err != nil {
t.Errorf("failed to create TempFile: %s", err)
return
}
// a hack to get a file name within a valid path to use as socket
socketName := f.Name()
os.Remove(f.Name())
server := http.Server{
Handler: http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.Write([]byte("Hello, World!"))
}),
}
unixListener, err := net.Listen("unix", socketName)
if err != nil {
t.Errorf("failed to listen on the socket: %s", err)
return
}
go server.Serve(unixListener)
t.Cleanup(func() {
server.Close()
})
runtime.Gosched() // Allow other goroutines to run
tester := caddytest.NewTester(t)
tester.InitServer(`
{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":8080"
],
"routes": [
{
"handle": [
{
"handler": "reverse_proxy",
"upstreams": [
{
"dial": "unix/{http.request.header.X-Caddy-Upstream-Dial}"
}
]
}
]
}
]
}
}
}
}
}
`, "json")
req, err := http.NewRequest(http.MethodGet, "http://localhost:8080", nil)
if err != nil {
t.Fail()
return
}
req.Header.Set("X-Caddy-Upstream-Dial", socketName)
tester.AssertResponse(req, 200, "Hello, World!")
}
func TestReverseProxyWithPlaceholderDialAddress(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":8080"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"handle": [
{
"handler": "static_response",
"body": "Hello, World!"
}
],
"terminal": true
}
],
"automatic_https": {
"skip": [
"localhost"
]
}
},
"srv1": {
"listen": [
":9080"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"handle": [
{
"handler": "reverse_proxy",
"upstreams": [
{
"dial": "{http.request.header.X-Caddy-Upstream-Dial}"
}
]
}
],
"terminal": true
}
],
"automatic_https": {
"skip": [
"localhost"
]
}
}
}
}
}
}
`, "json")
req, err := http.NewRequest(http.MethodGet, "http://localhost:9080", nil)
if err != nil {
t.Fail()
return
}
req.Header.Set("X-Caddy-Upstream-Dial", "localhost:8080")
tester.AssertResponse(req, 200, "Hello, World!")
}
func TestReverseProxyWithPlaceholderTCPDialAddress(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":8080"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"handle": [
{
"handler": "static_response",
"body": "Hello, World!"
}
],
"terminal": true
}
],
"automatic_https": {
"skip": [
"localhost"
]
}
},
"srv1": {
"listen": [
":9080"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"handle": [
{
"handler": "reverse_proxy",
"upstreams": [
{
"dial": "tcp/{http.request.header.X-Caddy-Upstream-Dial}:8080"
}
]
}
],
"terminal": true
}
],
"automatic_https": {
"skip": [
"localhost"
]
}
}
}
}
}
}
`, "json")
req, err := http.NewRequest(http.MethodGet, "http://localhost:9080", nil)
if err != nil {
t.Fail()
return
}
req.Header.Set("X-Caddy-Upstream-Dial", "localhost")
tester.AssertResponse(req, 200, "Hello, World!")
}
func TestSRVWithActiveHealthcheck(t *testing.T) {
caddytest.AssertLoadError(t, `
{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":8080"
],
"routes": [
{
"handle": [
{
"handler": "reverse_proxy",
"health_checks": {
"active": {
"path": "/ok"
}
},
"upstreams": [
{
"lookup_srv": "srv.host.service.consul"
}
]
}
]
}
]
}
}
}
}
}
`, "json", `upstream: lookup_srv is incompatible with active health checks: 0: {\"dial\": \"\", \"lookup_srv\": \"srv.host.service.consul\"}`)
}
func TestReverseProxyHealthCheck(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
http_port 9080
https_port 9443
}
http://localhost:2020 {
respond "Hello, World!"
}
http://localhost:2021 {
respond "ok"
}
http://localhost:9080 {
reverse_proxy {
to localhost:2020
health_uri /health
health_port 2021
health_interval 2s
health_timeout 5s
}
}
`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/", 200, "Hello, World!")
}
func TestReverseProxyHealthCheckUnixSocket(t *testing.T) {
if runtime.GOOS == "windows" {
t.SkipNow()
}
tester := caddytest.NewTester(t)
f, err := os.CreateTemp("", "*.sock")
if err != nil {
t.Errorf("failed to create TempFile: %s", err)
return
}
// a hack to get a file name within a valid path to use as socket
socketName := f.Name()
os.Remove(f.Name())
server := http.Server{
Handler: http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
if strings.HasPrefix(req.URL.Path, "/health") {
w.Write([]byte("ok"))
return
}
w.Write([]byte("Hello, World!"))
}),
}
unixListener, err := net.Listen("unix", socketName)
if err != nil {
t.Errorf("failed to listen on the socket: %s", err)
return
}
go server.Serve(unixListener)
t.Cleanup(func() {
server.Close()
})
runtime.Gosched() // Allow other goroutines to run
tester.InitServer(fmt.Sprintf(`
{
http_port 9080
https_port 9443
}
http://localhost:9080 {
reverse_proxy {
to unix/%s
health_uri /health
health_port 2021
health_interval 2s
health_timeout 5s
}
}
`, socketName), "caddyfile")
tester.AssertGetResponse("http://localhost:9080/", 200, "Hello, World!")
}
func TestReverseProxyHealthCheckUnixSocketWithoutPort(t *testing.T) {
if runtime.GOOS == "windows" {
t.SkipNow()
}
tester := caddytest.NewTester(t)
f, err := os.CreateTemp("", "*.sock")
if err != nil {
t.Errorf("failed to create TempFile: %s", err)
return
}
// a hack to get a file name within a valid path to use as socket
socketName := f.Name()
os.Remove(f.Name())
server := http.Server{
Handler: http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
if strings.HasPrefix(req.URL.Path, "/health") {
w.Write([]byte("ok"))
return
}
w.Write([]byte("Hello, World!"))
}),
}
unixListener, err := net.Listen("unix", socketName)
if err != nil {
t.Errorf("failed to listen on the socket: %s", err)
return
}
go server.Serve(unixListener)
t.Cleanup(func() {
server.Close()
})
runtime.Gosched() // Allow other goroutines to run
tester.InitServer(fmt.Sprintf(`
{
http_port 9080
https_port 9443
}
http://localhost:9080 {
reverse_proxy {
to unix/%s
health_uri /health
health_interval 2s
health_timeout 5s
}
}
`, socketName), "caddyfile")
tester.AssertGetResponse("http://localhost:9080/", 200, "Hello, World!")
}