How to use Save method of toxiproxy Package

Best Toxiproxy code snippet using toxiproxy.Save

resilience_integration_test.go

Source:resilience_integration_test.go

1package resilience_testing2import (3	"errors"4	"fmt"5	"git.haw-hamburg.de/acm746/resilient-microservice/internal/app"6	"git.haw-hamburg.de/acm746/resilient-microservice/internal/app/configuration"7	"git.haw-hamburg.de/acm746/resilient-microservice/internal/app/domain/entities"8	toxiproxy "github.com/Shopify/toxiproxy/client"9	"github.com/sirupsen/logrus"10	"github.com/stretchr/testify/assert"11	"os"12	"os/exec"13	"reflect"14	"sync"15	"testing"16)17var (18	ErrCircuitBreakerOpen = errors.New("circuit breaker open, denying requests to save resources")19)20var application app.App21// connections22var SMELTERCONNECTION_NOCOLONS	string23var TOXIPROXY_CLIENTCONNECTION  string24var SMELTERCONNECTION_DEFAULT 	string25// ToxiProxy26var toxiClient *toxiproxy.Client27//var proxyForge *toxiproxy.Proxy28var proxySmelter *toxiproxy.Proxy29//var proxyMongoDB *toxiproxy.Proxy30func TestMain(m *testing.M) {31	// Reading configuration32	application = app.App{}33	config := configuration.ReadConfiguration(true)34	application.Configuration = &config35	// Set Connection URLS36	SMELTERCONNECTION_NOCOLONS = application.Configuration.SmelterConnectionNoColons37	// Set ToxiProxy Connection URLS38	TOXIPROXY_CLIENTCONNECTION = application.Configuration.ToxiProxy_ClientConnection39	// Remember Default Connections40	SMELTERCONNECTION_DEFAULT = application.Configuration.SmelterConnectionDefault41	// Initialize logging42	logrus.SetOutput(os.Stderr)43	logrus.SetFormatter(&logrus.JSONFormatter{})44	logrus.SetLevel(logrus.DebugLevel)45	application.Initialize()46	os.Exit(m.Run())47}48// currently not working, start .exe manually before resilience testing49func StartToxiProxyServer(){50	PathToToxiProxyExecutable := "/toxiproxy/toxiproxy-server-windows-amd64.exe"51	cmdToxiProxy := &exec.Cmd{52		Path:         PathToToxiProxyExecutable,53		Stdin:        os.Stdin,54		Stdout:       os.Stdout,55		Stderr:       os.Stderr,56	}57	cmdToxiProxy.Run()58}59// Use this method everytime you want to test any service for resilient behaviour60// it creates a new client, removes all toxics and returns the client.61// In each method you can add the desired toxics with client.AddToxic(...)62// Make sure to remove the toxics and proxies with defer, even though they are deleted here anyway63func InitToxiProxy() (*toxiproxy.Client, error) {64	var err error65	toxiClient := toxiproxy.NewClient(TOXIPROXY_CLIENTCONNECTION)66	// Delete all proxies67	proxies, err := toxiClient.Proxies()68	if err != nil {69		panic("Couldnt connect toxiClient to ToxiProxy HTTP Server. Make sure it is running on Port 8474")70	}71	for _, v := range proxies {72		err = v.Delete()73		if err != nil {74			panic("Couldnt create Proxy on ToxiClient, make sure the Smelterservice and the toxiproxy server are running")75		}76	}77	proxySmelter, err = toxiClient.CreateProxy("proxySmelter", SMELTERCONNECTION_NOCOLONS, SMELTERCONNECTION_DEFAULT)78	if err != nil {79		panic("Couldnt create Proxy on ToxiClient, make sure the Smelterservice and the toxiproxy server are running")80	}81	return toxiClient, err82}83// helper to validate sword response84func Validate_Sword(sword entities.Sword) bool{85	return (sword.Type != "" && sword.Weight != 0)86}87// Integration Tests88// Single request GetIron from Smelterservice89// Success: Valid Iron Response90// Fails if enot valid Iron response91func Test_Integration_GetIronFromSmelterservice(t *testing.T){92	if testing.Short() {93		t.Skip("skipping Integration Test: TestGetIronFromSmelterservice")94	}95	toxiClient, _ = InitToxiProxy()96	iron, err := application.ForgeService.GetIronFromSmelterservice()97	if err != nil {98		t.Fail()99	}100	assert.Equal(t, reflect.TypeOf(entities.Iron{}), reflect.TypeOf(iron))101}102// Single request GetSword103// Success: Valid Sword Response104// Fails if enot valid sword response105func Test_Integration_GetSword_Success(t *testing.T) {106	if testing.Short() {107		t.Skip("skipping Integration Test: TestGetSwords")108	}109	toxiClient, _ = InitToxiProxy()110	sword, err := application.ForgeService.GetSword()111	if err != nil {112		t.Fatal(err)113	}114	assert.True(t,Validate_Sword(sword))115}116// Resilience Test117// Single request GetSword with timeout of the smelterservice118// Success: When timeout, error should be the Circuit Breaker Opening to save resources119// Fails if error is not ErrCircuitBreakerOpen120func Test_Integration_CircuitBreakerOpens_Timeout_GetSword(t *testing.T) {121	if testing.Short() {122		t.Skip("skipping Resilience Test: Test_CircuitBreakerOpens_GetIron")123	}124	var err error125	toxiClient, err = InitToxiProxy()126	if err != nil {127		logrus.Error("Could not create proxy listen on smelter connection")128		t.Fatal(err)129	}130	_, err = proxySmelter.AddToxic("timeout_smelter", "timeout", "", 1, toxiproxy.Attributes{})131	if err != nil{132		logrus.Error("Could not add toxic to smelter proxy")133		t.Fatal(err)134	}135	r, err :=  application.ForgeService.GetSword()136	defer proxySmelter.RemoveToxic("timeout_smelter")137	if err != nil && err.Error() == ErrCircuitBreakerOpen.Error() {138		logrus.Debug(err.Error(), r)139		return140	} else {141		t.Fail()142	}143}144// Single request GetSword with latency of the smelterservice145// Success: When latency is too high, error should be the Circuit Breaker Opening to save resources146// Fails if error is not ErrCircuitBreakerOpen147func Test_Integration_CircuitBreakerOpens_Latency_GetSword(t *testing.T) {148	if testing.Short() {149		t.Skip("skipping Resilience Test: Test_CircuitBreakerOpens_GetIron")150	}151	var err error152	toxiClient, err = InitToxiProxy()153	if err != nil {154		logrus.Error("Could not create proxy listen on smelter connection")155		t.Fatal(err)156	}157	_, err = proxySmelter.AddToxic("latency_downstream", "latency", "", 1, toxiproxy.Attributes{158		"latency": 3000,159	})160	if err != nil{161		logrus.Error("Could not add toxic to smelter proxy")162		t.Fatal(err)163	}164	r, err :=  application.ForgeService.GetSword()165	defer proxySmelter.RemoveToxic("latency_downstream")166	if err != nil && err.Error() == ErrCircuitBreakerOpen.Error() {167		logrus.Debug(err.Error(), r)168		return169	} else {170		t.Fail()171	}172}173// Bulk requests with a temporary timeout of the smelterservice174// Success: When timeout, error should be the Circuit Breaker Opening to save resources175// Fails if error is not ErrCircuitBreakerOpen176func Test_Integration_BulkGetSword_TemporarySmelterTimeout(t *testing.T) {177	if testing.Short() {178		t.Skip("skipping Resilience Test: TestSmelterConnectionSlow")179	}180	var err error181	toxiClient, err = InitToxiProxy()182	if err != nil {183		logrus.Error("Could not create proxy listen on smelter connection")184		t.Fatal(err)185	}186	_, err = proxySmelter.AddToxic("timeout_smelter", "timeout", "", 0, toxiproxy.Attributes{})187	if err != nil{188		logrus.Error("Could not add toxic to smelter proxy")189		t.Fatal(err)190	}191	// simulate a temporary timeout192	// make a bulk of requests to to forgeservice including internal requests to smelterservice which has occasional timeouts,193	//first 19 success, 20 to 179 failure, rest success194	for i := 0; i < 10; i++ {195		if i > 2 && i < 7 {196			if i == 3 {197				proxySmelter.UpdateToxic("timeout_smelter", 1, toxiproxy.Attributes{})198			}199			r, err :=  application.ForgeService.GetSword()200			if err != nil {201				logrus.Debug("Service Timeout HTTP Status: "+err.Error())202				if err.Error() == ErrCircuitBreakerOpen.Error() {203					logrus.Debug(err.Error(), r)204					return205				} else {206					t.Fail()207				}208			}209		}210		 if i < 3 || i > 6 {211			if i == 7{212				proxySmelter.UpdateToxic("timeout_smelter", 0, toxiproxy.Attributes{})213			}214			 r, err := application.ForgeService.GetSword()215			 if err != nil {216				 t.Fatal(err)217			 }218			 logrus.Debug("Response from Smelterconnection: ",r)219		}220	}221	// clean up toxic later222	defer proxySmelter.RemoveToxic("timeout_smelter")223}224// Bulk requests with a temporary latency of the smelterservice225// Success: When latency is too high, error should be the Circuit Breaker Opening to save resources226// Fails if error is not ErrCircuitBreakerOpen227func Test_Integration_BulkGetSword_TemporarySmelterLatency(t *testing.T) {228	if testing.Short() {229		t.Skip("skipping Resilience Test: TestSmelterConnectionSlow")230	}231	var err error232	toxiClient, err = InitToxiProxy()233	if err != nil {234		logrus.Error("Could not create proxy listen on smelter connection")235		t.Fatal(err)236	}237	_, err = proxySmelter.AddToxic("latency_downstream", "latency", "", 0, toxiproxy.Attributes{238		"latency": 3000,239	})240	if err != nil{241		logrus.Error("Could not add toxic to smelter proxy")242		t.Fatal(err)243	}244	// simulate a temporary latency245	// make a bulk of requests to to forgeservice including internal requests to smelterservice which has occasional timeouts,246	//first 19 success, 20 to 179 failure, rest success247	for i := 0; i < 5; i++ {248		if i == 4 {249			logrus.Debug("NOW TOXIC ACTIVE: latency_downstream")250			proxySmelter.UpdateToxic("latency_downstream", 1, toxiproxy.Attributes{})251			r, err :=  application.ForgeService.GetSword()252			if err != nil {253				logrus.Debug("Service Timeout HTTP Status: "+err.Error())254			}255			logrus.Debug("Response from timed out service "+"http://localhost:8080/sword",r)256		} else {257			r, err :=  application.ForgeService.GetSword()258			if err != nil {259				t.Fail()260			}261			logrus.Debug("Response from smelterservice: ",r)262		}263	}264	// clean up toxic later265	defer proxySmelter.RemoveToxic("latency_downstream")266}267// Bulk requests with a temporary latency and jittering of the smelterservice connection268// Success: When latency is too high, error should be the Circuit Breaker Opening to save resources269// Fails if error is not ErrCircuitBreakerOpen270func Test_Integration_BulkGetSword_SmelterLatencyJittering(t *testing.T) {271	if testing.Short() {272		t.Skip("skipping Resilience Test: TestSmelterConnectionSlow")273	}274	var err error275	toxiClient, err = InitToxiProxy()276	if err != nil {277		logrus.Error("Could not create proxy listen on smelter connection")278		t.Fatal(err)279	}280	_, err = proxySmelter.AddToxic("latency_downstream", "latency", "", 1, toxiproxy.Attributes{281		"latency": 2500,282		"jittering": 1000,283	})284	if err != nil{285		logrus.Error("Could not add toxic to smelter proxy")286		t.Fatal(err)287	}288	logrus.Debug("NOW TOXIC ACTIVE: latency_downstream")289	// simulate a temporary latency with high jittering290	for i := 0; i < 5; i++ {291		r, err :=  application.ForgeService.GetSword()292		if err != nil {293			logrus.Debug("Service Timeout HTTP Status: "+err.Error())294		}295		logrus.Debug("Response from timed out service "+"http://localhost:8080/sword",r)296	}297	// clean up toxic later298	defer proxySmelter.RemoveToxic("latency_downstream")299}300func Test_Integration_BulkGetSword_SmelterBandwidth(t *testing.T) {301	if testing.Short() {302		t.Skip("skipping Resilience Test: TestSmelterConnectionSlow")303	}304	var err error305	toxiClient, err = InitToxiProxy()306	if err != nil {307		logrus.Error("Could not create proxy listen on smelter connection")308		t.Fatal(err)309	}310	_, err = proxySmelter.AddToxic("low_bandwidth_smelter", "bandwidth", "", 1, toxiproxy.Attributes{311		"rate": 0,312	})313	if err != nil{314		logrus.Error("Could not add toxic to smelter proxy")315		t.Fatal(err)316	}317	logrus.Debug("NOW TOXIC ACTIVE: low_bandwidth_smelter")318	// simulate a temporary latency with high jittering319	for i := 0; i < 2; i++ {320		r, err :=  application.ForgeService.GetSword()321		if err != nil {322			logrus.Debug("Service Timeout HTTP Status: "+err.Error())323		}324		logrus.Debug("Response from slow service "+"http://localhost:8080/sword",r)325	}326	// clean up toxic later327	defer proxySmelter.RemoveToxic("low_bandwidth_smelter")328}329func Test_Integration_BulkGetSword_Smelter_limit_data(t *testing.T) {330	if testing.Short() {331		t.Skip("skipping Resilience Test: TestSmelterConnectionSlow")332	}333	var err error334	toxiClient, err = InitToxiProxy()335	if err != nil {336		logrus.Error("Could not create proxy listen on smelter connection")337		t.Fatal(err)338	}339	_, err = proxySmelter.AddToxic("limit_data_smelter", "limit_data", "", 1, toxiproxy.Attributes{340		"bytes": 100,341	})342	if err != nil{343		logrus.Error("Could not add toxic to smelter proxy")344		t.Fatal(err)345	}346	logrus.Debug("NOW TOXIC ACTIVE: limit_data_smelter")347	for i := 0; i < 2; i++ {348		r, err :=  application.ForgeService.GetSword()349		if err != nil {350			logrus.Debug("Service Timeout HTTP Status: "+err.Error())351		}352		logrus.Debug("Response from limited service "+"http://localhost:8080/sword",r)353	}354	// clean up toxic later355	defer proxySmelter.RemoveToxic("limit_data_smelter")356}357func workerGetIron(id int, wg *sync.WaitGroup) {358	defer wg.Done()359	fmt.Printf("Worker %d starting\n", id)360	sword, err := application.ForgeService.GetSword()361	logrus.Debugln(sword, err)362	fmt.Printf("Worker %d done\n", id)363}364// makes a bunch of concurrent requests to GetIron that wait for each other to finish365// Success: No errors366func Test_Integration_ConcurrentRequests_GetIron(t *testing.T) {367	if testing.Short() {368		t.Skip("skipping Resilience Test: Test_Integration_ConcurrentRequests_GetIron")369	}370	var err error371	toxiClient, err = InitToxiProxy()372	if err != nil {373		logrus.Error("Could not create proxy listen on smelter connection")374		t.Fatal(err)375	}376	var wg sync.WaitGroup377	for i := 1; i <= 100; i++ {378		wg.Add(1)379		go workerGetIron(i, &wg)380	}381	wg.Wait()382}...

functional_test.go

Source:functional_test.go

...83	if err != nil {84		t.Fatal(err)85	}86}87func SaveProxy(t *testing.T, px string) {88	if err := Proxies[px].Save(); err != nil {89		t.Fatal(err)90	}91}92func setupFunctionalTest(t testing.TB) {93	checkKafkaAvailability(t)94	resetProxies(t)95	fetchProxies(t)96}97func teardownFunctionalTest(t testing.TB) {98	resetProxies(t)99}100type kafkaVersion []int101func (kv kafkaVersion) satisfies(other kafkaVersion) bool {102	var ov int...

Save

Using AI Code Generation

1import (2func main() {3    toxiproxyClient.Save(&toxiproxy.Proxy{4        Toxics: []toxiproxy.Toxic{5            &toxiproxy.SlowCloseToxic{6            },7        },8    })9}10func (p *Proxy) AddToxic(name string, t Toxic) error11import (12func main() {13    toxiproxyClient.AddToxic("test", &toxiproxy.SlowCloseToxic{14    })15}

Save

Using AI Code Generation

1import (2func main() {3    toxiproxy := client.NewClient("localhost:8474")4    toxiproxy.Save(&client.Proxy{5    })6    proxy, _ := toxiproxy.Proxy("myproxy")7    fmt.Println(proxy.Listen)8}

Save

Using AI Code Generation

1import (2func main() {3    toxiproxy := toxiproxy.NewClient("localhost:8474")4    toxiproxy.Save(&toxiproxy.Proxy{5        Toxics:    []*toxiproxy.Toxic{6            &toxiproxy.Toxic{7                Attributes: map[string]string{8                },9            },10        },11    })12}13import (14func main() {15    toxiproxy := client.NewClient("localhost:8474")16    toxiproxy.CreateProxy(&client.Proxy{17        Toxics:    []*client.Toxic{18            &client.Toxic{19                Attributes: map[string]string{20                },21            },22        },23    })24}

Save

Using AI Code Generation

1import (2func main() {3    toxiproxyClient := client.NewClient("localhost:8474")4    toxiproxyClient.Save(toxic)5}6import (7func main() {8    toxiproxyClient := client.NewClient("localhost:8474")9    toxiproxyClient.Create(proxy)10}11proxy := toxiproxy.Proxy{12}13toxic := toxiproxy.Toxic{14    Attributes: toxiproxy.Attributes{15    },16}17toxiproxyClient := client.NewClient("localhost:8474")18toxiproxyClient.Create(proxy)19toxiproxyClient.CreateToxic(proxy.Name, toxic)20proxy := toxiproxy.Proxy{21}22toxic := toxiproxy.Toxic{23    Attributes: toxiproxy.Attributes{

Save

Using AI Code Generation

1import (2func main() {3    toxiproxy := client.NewClient("localhost:8474")4    toxiproxy.Save("myproxy", "localhost:1234", "localhost:4321")5    fmt.Println("Successfully created proxy")6}7import (8func main() {9    toxiproxy := client.NewClient("localhost:8474")10    proxies, err := toxiproxy.List()11    if err != nil {12        fmt.Println("Error in getting list of proxies", err)13    }14    fmt.Println("List of proxies", proxies)15}16import (17func main() {18    toxiproxy := client.NewClient("localhost:8474")19    proxy, err := toxiproxy.Get("myproxy")20    if err != nil {21        fmt.Println("Error in getting proxy", err)22    }23    fmt.Println("Proxy details", proxy)24}25import (26func main() {27    toxiproxy := client.NewClient("localhost:8474")28    err := toxiproxy.Enable("myproxy")29    if err != nil {30        fmt.Println("Error in enabling proxy", err)31    }32    fmt.Println("Proxy enabled")33}34import (35func main() {36    toxiproxy := client.NewClient("localhost:8474")37    err := toxiproxy.Disable("myproxy")38    if err != nil {39        fmt.Println("Error in disabling proxy", err)40    }41    fmt.Println("Proxy disabled")42}43import (

Save

Using AI Code Generation

1import (2func main() {3 client.Save(&toxiproxy.Proxy{4 })5}6main.main()

Save

Using AI Code Generation

1import (2func main() {3  toxiproxy := client.NewClient("localhost:8474")4  toxiproxy.Save("redis", "redis_downstream", "latency", "downstream", 1000, 0)5}6import (7func main() {8  toxiproxy := client.NewClient("localhost:8474")9  toxiproxy.Save("redis", "redis_upstream", "latency", "upstream", 1000, 0)10}11import (12func main() {13  toxiproxy := client.NewClient("localhost:8474")14  redisProxy, err := toxiproxy.Proxy("redis")15  if err != nil {16    log.Fatal(err)17  }18  conn, err := redis.Dial("tcp", redisProxy.Listen)19  if err != nil {20    log.Fatal(err)21  }22  defer conn.Close()23  _, err = conn.Do("SET", "foo", "bar")24  if err != nil {25    log.Fatal(err)26  }27  value, err := redis.String(conn.Do("GET", "foo"))28  if err != nil {29    log.Fatal(err)30  }31  fmt.Println(value)32}

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