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integration_test.go
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integration_test.go
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/*
* Copyright (c) 2017, MegaEase
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http:https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package test
import (
"bytes"
"context"
"fmt"
"io"
"net/http"
"net/url"
"os"
"os/exec"
"path/filepath"
"strings"
"sync/atomic"
"testing"
"time"
paho "github.com/eclipse/paho.mqtt.golang"
"github.com/gorilla/websocket"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestPipeline(t *testing.T) {
assert := assert.New(t)
// fail to create Pipeline because of invalid yaml
// invalid url
yamlStr := `
name: pipeline-fail
kind: Pipeline
flow:
- filter: proxy
filters:
- name: proxy
kind: Proxy
pools:
- servers:
- url: 127.0.0.1:8888
`
err := createResource(yamlStr)
assert.Error(err)
// success to create two Pipelines:
// pipeline-success1 and pipeline-success2
yamlStr = `
name: pipeline-success1
kind: Pipeline
flow:
- filter: proxy
filters:
- name: proxy
kind: Proxy
pools:
- servers:
- url: http:https://127.0.0.1:8888
`
err = createResource(yamlStr)
assert.NoError(err)
yamlStr = `
name: pipeline-success2
kind: Pipeline
flow:
- filter: proxy
filters:
- name: proxy
kind: Proxy
pools:
- servers:
- url: http:https://127.0.0.1:8888
`
err = createResource(yamlStr)
assert.NoError(err)
// list Pipeline and find them by using name
output, err := getResource("pipeline", "-o", "yaml")
assert.NoError(err)
assert.Contains(output, "name: pipeline-success1")
assert.Contains(output, "name: pipeline-success2")
// update Pipeline and use list to find it
yamlStr = `
name: pipeline-success2
kind: Pipeline
flow:
- filter: proxy
filters:
- name: proxy
kind: Proxy
pools:
- servers:
- url: http:https://update-pipeline-success2:8888
`
err = applyResource(yamlStr)
assert.NoError(err)
// default get return a table now
output, err = getResource("pipeline", "pipeline-success2")
assert.NoError(err)
assert.NotContains(output, "http:https://update-pipeline-success2:8888")
assert.Contains(output, "pipeline-success2")
output, err = describeResource("pipeline", "pipeline-success2")
assert.NoError(err)
assert.Contains(output, "http:https://update-pipeline-success2:8888")
assert.Contains(output, "Name: pipeline-success2")
// delete all Pipelines
err = deleteResource("pipeline", "pipeline-success1", "pipeline-success2")
assert.NoError(err)
output, err = getResource("pipeline")
assert.NoError(err)
assert.NotContains(output, "pipeline-success1")
assert.NotContains(output, "pipeline-success2")
}
func TestHTTPServer(t *testing.T) {
assert := assert.New(t)
// fail to create HTTPServer because of invalid yaml
yamlStr := `
name: httpserver-fail
kind: HTTPServer
`
err := createResource(yamlStr)
assert.Error(err)
// success to create HTTPServer:
// httpserver-success1
yamlStr = `
name: httpserver-success
kind: HTTPServer
port: 10080
rules:
- paths:
- pathPrefix: /api
backend: pipeline-api
`
err = createResource(yamlStr)
assert.NoError(err)
// list HTTPServer and find it by name
output, err := getResource("httpserver", "-o", "yaml")
assert.NoError(err)
assert.Contains(output, "name: httpserver-success")
// update HTTPServer and use list to find it
yamlStr = `
name: httpserver-success
kind: HTTPServer
port: 10080
rules:
- paths:
- pathPrefix: /api
backend: update-httpserver-success
`
err = applyResource(yamlStr)
assert.NoError(err)
output, err = describeResource("httpserver", "httpserver-success")
assert.NoError(err)
assert.Contains(output, "backend: update-httpserver-success")
// delete all HTTPServer
err = deleteResource("httpserver", "--all")
assert.NoError(err)
output, err = getResource("httpserver")
assert.NoError(err)
assert.NotContains(output, "httpserver-success")
}
func TestHTTPServerAndPipeline(t *testing.T) {
assert := assert.New(t)
// create httpserver
yamlStr := `
name: httpserver-test
kind: HTTPServer
port: 10081
https: false
keepAlive: true
keepAliveTimeout: 75s
maxConnection: 10240
cacheSize: 0
rules:
- paths:
- backend: pipeline-test
`
err := createResource(yamlStr)
assert.NoError(err)
defer func() {
err := deleteResource("httpserver", "httpserver-test")
assert.NoError(err)
}()
// create pipeline
yamlStr = `
name: pipeline-test
kind: Pipeline
flow:
- filter: proxy
filters:
- name: proxy
kind: Proxy
pools:
- servers:
- url: http:https://127.0.0.1:8888
`
err = createResource(yamlStr)
assert.NoError(err)
defer func() {
err := deleteResource("pipeline", "pipeline-test")
assert.NoError(err)
}()
// create backend server with port 8888
mux := http.NewServeMux()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "hello from backend")
})
server := mustStartServer(8888, mux, func() *http.Request {
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:8888", nil)
require.Nil(t, err)
return req
})
defer server.Shutdown(context.Background())
// send request to 10081 HTTPServer
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:10081/", nil)
assert.Nil(err)
resp, err := http.DefaultClient.Do(req)
assert.Nil(err)
defer resp.Body.Close()
data, err := io.ReadAll(resp.Body)
assert.Nil(err)
assert.Equal("hello from backend", string(data))
}
func getMQTTClient(clientID, userName, password string) (paho.Client, error) {
opts := paho.NewClientOptions().AddBroker("tcp:https://0.0.0.0:1883").SetClientID(clientID).SetUsername(userName).SetPassword(password)
c := paho.NewClient(opts)
if token := c.Connect(); token.Wait() && token.Error() != nil {
return nil, token.Error()
}
return c, nil
}
func TestMQTTProxy(t *testing.T) {
assert := assert.New(t)
yamlStr := `
kind: MQTTProxy
name: mqttproxy-test
port: 1883
`
err := createResource(yamlStr)
assert.NoError(err)
defer func() {
err := deleteResource("mqttproxy", "mqttproxy-test")
assert.NoError(err)
}()
for i := 0; i < 10; i++ {
_, err = getMQTTClient("client1", "test", "test")
if err == nil {
break
}
time.Sleep(time.Second)
}
assert.Nil(err)
}
func TestEgctlCmd(t *testing.T) {
assert := assert.New(t)
// health
{
cmd := egctlCmd("health")
output, stderr, err := runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "OK")
}
// apis
{
cmd := egctlCmd("apis")
output, stderr, err := runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
head := []string{"PATH", "METHOD", "VERSION", "GROUP"}
assert.True(matchTable(head, output))
assert.True(matchTable([]string{"/apis/v2", "admin"}, output))
}
// api-resources
{
cmd := egctlCmd("api-resources")
output, stderr, err := runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
head := []string{"NAME", "ALIASES", "CATEGORY", "KIND", "ACTION"}
assert.True(matchTable(head, output))
assert.True(matchTable([]string{"member", "m,mem,members", "Member", "delete,get,describe"}, output))
assert.Contains(output, "create,apply,delete,get,describe")
}
// completion
{
cmd := egctlCmd("completion", "bash")
output, stderr, err := runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "bash completion for egctl")
cmd = egctlCmd("completion", "zsh")
output, stderr, err = runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "zsh completion for egctl")
}
// profile
{
ts := time.Now().Format("2006-01-02-1504")
tempDir, err := os.MkdirTemp("", fmt.Sprintf("egctl-test-%s", ts))
assert.NoError(err)
defer os.RemoveAll(tempDir)
cpuPath := filepath.Join(tempDir, "cpu-profile")
memoryPath := filepath.Join(tempDir, "memory-profile")
cmd := egctlCmd("profile", "info")
output, stderr, err := runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, `cpuPath: ""`)
assert.Contains(output, `memoryPath: ""`)
cmd = egctlCmd("profile", "start", "cpu", cpuPath)
_, stderr, err = runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
cmd = egctlCmd("profile", "start", "memory", memoryPath)
_, stderr, err = runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
time.Sleep(1 * time.Second)
cmd = egctlCmd("profile", "stop")
_, stderr, err = runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
cmd = egctlCmd("profile", "info")
output, stderr, err = runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, fmt.Sprintf("cpuPath: %s", cpuPath))
assert.Contains(output, fmt.Sprintf("memoryPath: %s", memoryPath))
}
}
func TestEgctlConfig(t *testing.T) {
assert := assert.New(t)
// reset home dir when finished
homeDir := os.Getenv("HOME")
if homeDir == "" {
fmt.Println("HOME is empty, skip config test for this os")
return
}
defer os.Setenv("HOME", homeDir)
// set new home dir
ts := time.Now().Format("2006-01-02-1504")
tempDir, err := os.MkdirTemp("", fmt.Sprintf("egctl-test-%s", ts))
assert.NoError(err)
defer os.RemoveAll(tempDir)
os.Setenv("HOME", tempDir)
egctlrc := `
clusters:
- cluster:
server: localhost:2381
name: default
contexts:
- context:
cluster: default
user: default
name: default
- context:
cluster: default
user: admin
name: admin
current-context: default
kind: Config
users:
- name: default
user: {}
- name: admin
user:
password: admin
username: admin
`
err = os.WriteFile(filepath.Join(tempDir, ".egctlrc"), []byte(egctlrc), os.ModePerm)
assert.NoError(err)
cmd := egctlCmd("config", "view")
output, stderr, err := runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "kind: Config")
assert.Contains(output, "server: localhost:2381")
cmd = egctlCmd("config", "current-context")
output, stderr, err = runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "name: default")
assert.Contains(output, "user: default")
assert.Contains(output, "cluster: default")
cmd = egctlCmd("config", "get-contexts")
output, stderr, err = runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.True(matchTable([]string{"CURRENT", "NAME", "CLUSTER", "USER"}, output))
assert.True(matchTable([]string{"default", "default", "default"}, output))
assert.True(matchTable([]string{"admin", "default", "admin"}, output))
cmd = egctlCmd("config", "use-context", "admin")
output, stderr, err = runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "Switched to context admin")
}
func TestMatch(t *testing.T) {
assert := assert.New(t)
assert.True(matchTable([]string{"a", "b", "c"}, "a\t\tb\t\t\t\tc"))
assert.False(matchTable([]string{"a", "b", "c", "d"}, "a\t\tb\t\t\t\tc"))
assert.False(matchTable([]string{"a", "d"}, "a\t\tb"))
}
func TestMember(t *testing.T) {
assert := assert.New(t)
output, err := getResource("member")
assert.NoError(err)
assert.True(matchTable([]string{"NAME", "ROLE", "AGE", "STATE", "API-ADDR", "HEARTBEAT"}, output))
assert.Contains(output, "primary")
assert.Contains(output, "Leader")
output, err = describeResource("mem")
assert.NoError(err)
assert.Contains(output, "Name: primary-single")
assert.Contains(output, "ClusterRole: primary")
}
func TestCustomData(t *testing.T) {
assert := assert.New(t)
cdkYaml := `
name: custom-data-kind1
kind: CustomDataKind
idField: name
`
cdYaml := `
rebuild: true
name: custom-data-kind1
kind: CustomData
list:
- name: data1
field1: 12
- name: data2
field1: foo
`
err := createResource(cdkYaml)
assert.NoError(err)
err = applyResource(cdYaml)
assert.NoError(err)
output, err := getResource("cdk")
assert.NoError(err)
assert.True(matchTable([]string{"NAME", "ID-FIELD", "JSON-SCHEMA", "DATA-NUM"}, output))
assert.True(matchTable([]string{"custom-data-kind1", "name", "no", "2"}, output))
output, err = getResource("cd", "custom-data-kind1")
assert.NoError(err)
assert.Contains(output, "NAME")
assert.Contains(output, "data1")
assert.Contains(output, "data2")
output, err = describeResource("cdk")
assert.NoError(err)
assert.Contains(output, "Name: custom-data-kind1")
assert.Contains(output, "IdField: name")
output, err = describeResource("cd", "custom-data-kind1", "data1")
assert.NoError(err)
assert.Contains(output, "Name: data1")
assert.Contains(output, "Field1: 12")
err = deleteResource("cd", "custom-data-kind1", "data1")
assert.NoError(err)
output, err = describeResource("cd", "custom-data-kind1")
assert.NoError(err)
assert.NotContains(output, "Name: data1")
assert.NotContains(output, "Field1: 12")
err = deleteResource("cdk", "custom-data-kind1")
assert.NoError(err)
}
func TestCreateHTTPProxy(t *testing.T) {
assert := assert.New(t)
servers := make([]*http.Server, 0)
for _, port := range []int{9096, 9097, 9098} {
currentPort := port
mux := http.NewServeMux()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "hello from backend %d", currentPort)
})
server := mustStartServer(currentPort, mux, func() *http.Request {
req, err := http.NewRequest(http.MethodGet, fmt.Sprintf("http:https://127.0.0.1:%d", currentPort), nil)
require.Nil(t, err)
return req
})
servers = append(servers, server)
}
defer func() {
for _, s := range servers {
s.Shutdown(context.Background())
}
}()
cmd := egctlCmd(
"create",
"httpproxy",
"http-proxy-test",
"--port", "10080",
"--rule",
"/pipeline=http:https://127.0.0.1:9096",
"--rule",
"/barz=http:https://127.0.0.1:9097",
"--rule",
"/bar*=http:https://127.0.0.1:9098",
)
_, stderr, err := runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
defer func() {
deleteResource("httpserver", "http-proxy-test")
deleteResource("pipeline", "--all")
}()
output, err := getResource("httpserver")
assert.NoError(err)
assert.Contains(output, "http-proxy-test")
output, err = getResource("pipeline")
assert.NoError(err)
assert.Contains(output, "http-proxy-test-0")
testFn := func(p string, expected string) {
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:10080"+p, nil)
assert.Nil(err, p)
resp, err := http.DefaultClient.Do(req)
assert.Nil(err, p)
defer resp.Body.Close()
data, err := io.ReadAll(resp.Body)
assert.Nil(err, p)
assert.Equal(expected, string(data), p)
}
testFn("/pipeline", "hello from backend 9096")
testFn("/barz", "hello from backend 9097")
testFn("/bar-prefix", "hello from backend 9098")
}
func TestLogs(t *testing.T) {
assert := assert.New(t)
{
// test egctl logs --tail n
cmd := egctlCmd("logs", "--tail", "5")
output, stderr, err := runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "INFO")
assert.Contains(output, ".go", "should contain go file in log")
lines := strings.Split(strings.TrimSpace(output), "\n")
assert.Len(lines, 5)
}
{
// test egctl logs -f
cmd := egctlCmd("logs", "-f", "--tail", "0")
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Start()
assert.NoError(err)
// check if new logs are printed
yamlStr := `
kind: HTTPServer
name: test-egctl-logs
port: 12345
rules:
- paths:
- pathPrefix: /pipeline
backend: pipeline-demo
`
err = applyResource(yamlStr)
assert.NoError(err)
time.Sleep(1 * time.Second)
cmd.Process.Kill()
assert.Contains(stdout.String(), "test-egctl-logs")
deleteResource("httpserver", "test-egctl-logs")
}
{
cmd := egctlCmd("logs", "get-level")
output, stderr, err := runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "info")
cmd = egctlCmd("logs", "set-level", "debug")
output, stderr, err = runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "debug")
cmd = egctlCmd("logs", "get-level")
output, stderr, err = runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "debug")
}
}
func TestMetrics(t *testing.T) {
assert := assert.New(t)
{
cmd := egctlCmd("metrics")
output, stderr, err := runCmd(cmd)
assert.NoError(err)
assert.Empty(stderr)
assert.Contains(output, "etcd_server_has_leader")
}
}
func TestHealthCheck(t *testing.T) {
assert := assert.New(t)
// unhealthy server return 503 as status code
var invalidCode int32 = 503
mux := http.NewServeMux()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("X-Server", "unhealthy")
w.WriteHeader(http.StatusOK)
})
mux.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
code := atomic.LoadInt32(&invalidCode)
w.WriteHeader(int(code))
})
unhealthy := mustStartServer(12345, mux, func() *http.Request {
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:12345", nil)
require.Nil(t, err)
return req
})
defer unhealthy.Shutdown(context.Background())
// healthy server return 200 as status code
mux2 := http.NewServeMux()
mux2.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("X-Server", "healthy")
w.WriteHeader(http.StatusOK)
})
mux2.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
})
healthy := mustStartServer(12346, mux2, func() *http.Request {
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:12346", nil)
require.Nil(t, err)
return req
})
defer healthy.Shutdown(context.Background())
httpSeverYaml := `
name: httpserver-hc
kind: HTTPServer
port: 9099
rules:
- paths:
- pathPrefix: /
backend: pipeline-hc
`
pipelineYaml := `
name: pipeline-hc
kind: Pipeline
flow:
- filter: proxy
filters:
- name: proxy
kind: Proxy
pools:
- servers:
- url: http:https://127.0.0.1:12345
- url: http:https://127.0.0.1:12346
loadBalance:
policy: roundRobin
healthCheck:
interval: 200ms
fails: 2
pass: 2
path: /health
`
err := createResource(httpSeverYaml)
assert.Nil(err)
defer deleteResource("httpserver", "httpserver-hc")
err = createResource(pipelineYaml)
defer deleteResource("pipeline", "pipeline-hc")
assert.Nil(err)
started := checkServerStart(func() *http.Request {
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:9099", nil)
assert.Nil(err)
return req
})
assert.True(started)
time.Sleep(1 * time.Second)
// unhealthy server not passed health check.
for i := 0; i < 50; i++ {
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:9099", nil)
assert.Nil(err, i)
resp, err := http.DefaultClient.Do(req)
assert.Nil(err, i)
assert.Equal(http.StatusOK, resp.StatusCode, i)
assert.Equal("healthy", resp.Header.Get("X-Server"), i)
resp.Body.Close()
}
atomic.StoreInt32(&invalidCode, 200)
time.Sleep(1 * time.Second)
last := ""
// unhealthy server passed health check.
// based on round robin, the response should be unhealthy, healthy, unhealthy, healthy...
for i := 0; i < 50; i++ {
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:9099", nil)
assert.Nil(err, i)
resp, err := http.DefaultClient.Do(req)
assert.Nil(err, i)
assert.Equal(http.StatusOK, resp.StatusCode, i)
value := resp.Header.Get("X-Server")
if last != "" {
if last == "healthy" {
assert.Equal("unhealthy", value, i)
} else {
assert.Equal("healthy", value, i)
}
}
last = value
resp.Body.Close()
}
}
func TestHealthCheck2(t *testing.T) {
assert := assert.New(t)
httpSeverYaml := `
name: httpserver-hc
kind: HTTPServer
port: 9099
rules:
- paths:
- pathPrefix: /
backend: pipeline-hc
`
pipelineYaml := `
name: pipeline-hc
kind: Pipeline
flow:
- filter: proxy
filters:
- name: proxy
kind: Proxy
pools:
- servers:
- url: http:https://127.0.0.1:12345
healthCheck:
interval: 200ms
fails: 2
pass: 2
uri: /health?proxy=easegress
method: POST
headers:
X-Health: easegress
body: "easegress"
username: admin
password: test-health-check
match:
statusCodes:
- [200, 399]
headers:
- name: X-Status
value: healthy
body:
value: "healthy"
`
// check if health check set request correctly
requestChecker := func(req *http.Request) error {
if req.URL.Path != "/health" || req.URL.Query().Get("proxy") != "easegress" {
return fmt.Errorf("invalid request url: %s", req.URL.String())
}
if req.Method != http.MethodPost {
return fmt.Errorf("invalid request method: %s", req.Method)
}
if req.Header.Get("X-Health") != "easegress" {
return fmt.Errorf("invalid request header: %s", req.Header.Get("X-Health"))
}
body, err := io.ReadAll(req.Body)
if err != nil {
return err
}
if string(body) != "easegress" {
return fmt.Errorf("invalid request body: %s", string(body))
}
username, password, ok := req.BasicAuth()
if !ok {
return fmt.Errorf("failed to get basic auth")
}
if username != "admin" || password != "test-health-check" {
return fmt.Errorf("invalid basic auth: %s:%s", username, password)
}
return nil
}
healthCheckHandler := atomic.Value{}
healthCheckHandler.Store(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("X-Status", "healthy")
w.WriteHeader(http.StatusOK)
w.Write([]byte("healthy"))
})
callHealthCheck := atomic.Bool{}
callHealthCheck.Store(false)
mux := http.NewServeMux()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("X-Server", "server")
w.WriteHeader(http.StatusOK)
})
mux.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
callHealthCheck.Store(true)
err := requestChecker(r)
assert.Nil(err)
handler := healthCheckHandler.Load().(func(w http.ResponseWriter, r *http.Request))
handler(w, r)
})
server := mustStartServer(12345, mux, func() *http.Request {
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:12345", nil)
require.Nil(t, err)
return req
})
defer server.Shutdown(context.Background())
err := createResource(httpSeverYaml)
assert.Nil(err)
defer deleteResource("httpserver", "httpserver-hc")
err = createResource(pipelineYaml)
defer deleteResource("pipeline", "pipeline-hc")
assert.Nil(err)
started := checkServerStart(func() *http.Request {
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:9099", nil)
assert.Nil(err)
return req
})
assert.True(started)
doReq := func() *http.Response {
req, err := http.NewRequest(http.MethodGet, "http:https://127.0.0.1:9099", nil)
assert.Nil(err)
resp, err := http.DefaultClient.Do(req)
assert.Nil(err)
return resp
}
// health check passed
time.Sleep(1 * time.Second)
resp := doReq()
resp.Body.Close()
assert.Equal(http.StatusOK, resp.StatusCode)
assert.Equal("server", resp.Header.Get("X-Server"))
// health check failed, wrong status code
healthCheckHandler.Store(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("X-Status", "healthy")
w.WriteHeader(http.StatusUnauthorized)
w.Write([]byte("healthy"))
})
time.Sleep(1 * time.Second)
resp = doReq()
resp.Body.Close()
assert.Equal(http.StatusServiceUnavailable, resp.StatusCode)
// health check failed, wrong body
healthCheckHandler.Store(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("X-Status", "healthy")
w.WriteHeader(http.StatusOK)
w.Write([]byte("not ok"))
})
time.Sleep(1 * time.Second)
resp = doReq()
resp.Body.Close()
assert.Equal(http.StatusServiceUnavailable, resp.StatusCode)
// health check failed, wrong header
healthCheckHandler.Store(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("X-Status", "unhealthy")
w.WriteHeader(http.StatusOK)
w.Write([]byte("healthy"))
})
time.Sleep(800 * time.Millisecond)
resp = doReq()
resp.Body.Close()
assert.Equal(http.StatusServiceUnavailable, resp.StatusCode)
// health check passed
healthCheckHandler.Store(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("X-Status", "healthy")
w.WriteHeader(http.StatusFound)
w.Write([]byte("very healthy"))
})
time.Sleep(1 * time.Second)
resp = doReq()
resp.Body.Close()
assert.Equal(http.StatusOK, resp.StatusCode)
assert.Equal("server", resp.Header.Get("X-Server"))
called := callHealthCheck.Load()
assert.True(called)
}
func TestWebSocketHealthCheck(t *testing.T) {
assert := assert.New(t)
httpSeverYaml := `
name: httpserver-hc
kind: HTTPServer
port: 9099
rules:
- paths:
- headers:
- key: Upgrade
values:
- websocket
backend: pipeline-ws
clientMaxBodySize: -1
`
wsYaml := `
name: pipeline-ws
kind: Pipeline
filters:
- name: websocket
kind: WebSocketProxy
pools:
- servers:
- url: ws:https://127.0.0.1:12345
healthCheck:
interval: 200ms
timeout: 200ms
http: