How to use Start method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.Start

testing_kafka_cluster.go

Source:testing_kafka_cluster.go Github

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...18type TestingKafkaCluster struct {19 kafkaContainer testcontainers.Container20 zookeeperContainer testcontainers.Container21}22func (kc *TestingKafkaCluster) StartCluster() error {23 ctx := context.Background()24 if err := kc.zookeeperContainer.Start(ctx); err != nil {25 return err26 }27 if err := kc.kafkaContainer.Start(ctx); err != nil {28 return err29 }30 if err := kc.createProbe(); err != nil {31 return err32 }33 return kc.startKafka()34}35func (kc *TestingKafkaCluster) StopCluster() error {36 ctx := context.Background()37 if err := kc.kafkaContainer.Terminate(ctx); err != nil {38 return err39 }40 if err := kc.zookeeperContainer.Terminate(ctx); err != nil {41 return err42 }43 return nil44}45func (kc *TestingKafkaCluster) GetKafkaHost() (string, error) {46 ctx := context.Background()47 host, err := kc.kafkaContainer.Host(ctx)48 if err != nil {49 return "", err50 }51 port, err := kc.kafkaContainer.MappedPort(ctx, KAFKA_CLIENT_PORT)52 if err != nil {53 return "", err54 }55 return host + ":" + port.Port(), nil56}57func (kc *TestingKafkaCluster) createProbe() error {58 probeScript, err := ioutil.TempFile("", "probe.sh")59 if err != nil {60 return err61 }62 defer os.Remove(probeScript.Name())63 probeScript.WriteString("#!/bin/bash \n")64 probeScript.WriteString(fmt.Sprintf("id=$(zookeeper-shell localhost:%s ls /brokers/ids | grep \"\\[%s\") \n", ZOOKEEPER_PORT, KAFKA_BROKER_ID))65 probeScript.WriteString(fmt.Sprintf("if [ $id = \"[%s]\" ]; then exit 0; else exit 1; fi", KAFKA_BROKER_ID))66 return kc.zookeeperContainer.CopyFileToContainer(context.Background(), probeScript.Name(), "probe.sh", 0700)67}68func (kc *TestingKafkaCluster) startKafka() error {69 ctx := context.Background()70 kafkaStartFile, err := ioutil.TempFile("", "testcontainers_start.sh")71 if err != nil {72 return err73 }74 defer os.Remove(kafkaStartFile.Name())75 exposedHost, err := kc.GetKafkaHost()76 if err != nil {77 return err78 }79 kafkaStartFile.WriteString("#!/bin/bash \n")80 kafkaStartFile.WriteString(fmt.Sprintf("export KAFKA_ADVERTISED_LISTENERS='PLAINTEXT://%s,BROKER://kafka:%s'\n", exposedHost, KAFKA_BROKER_PORT))81 kafkaStartFile.WriteString(". /etc/confluent/docker/bash-config \n")82 kafkaStartFile.WriteString("/etc/confluent/docker/configure \n")83 kafkaStartFile.WriteString("/etc/confluent/docker/launch \n")84 return kc.kafkaContainer.CopyFileToContainer(ctx, kafkaStartFile.Name(), "testcontainers_start.sh", 0700)85}86func NewTestingKafkaCluster() (*TestingKafkaCluster, error) {87 ctx := context.Background()88 network, err := testcontainers.GenericNetwork(ctx, testcontainers.GenericNetworkRequest{89 NetworkRequest: testcontainers.NetworkRequest{Name: CLUSTER_NETWORK_NAME},90 })91 if err != nil {92 return nil, err93 }94 dockerNetwork := network.(*testcontainers.DockerNetwork)95 zookeeperContainer, err := createZookeeperContainer(dockerNetwork)96 if err != nil {97 return nil, err98 }...

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kafkacluster.go

Source:kafkacluster.go Github

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...16type KafkaCluster struct {17 kafkaContainer testcontainers.Container18 zookeeperContainer testcontainers.Container19}20func (kc *KafkaCluster) StartCluster() {21 ctx := context.Background()22 kc.zookeeperContainer.Start(ctx)23 kc.kafkaContainer.Start(ctx)24 kc.startKafka()25}26func (kc *KafkaCluster) GetKafkaHost() string {27 ctx := context.Background()28 host, err := kc.kafkaContainer.Host(ctx)29 if err != nil {30 panic(err)31 }32 port, err := kc.kafkaContainer.MappedPort(ctx, KAFKA_CLIENT_PORT)33 if err != nil {34 panic(err)35 }36 // returns the exposed kafka host:port37 return host + ":" + port.Port()38}39func (kc *KafkaCluster) startKafka() {40 ctx := context.Background()41 kafkaStartFile, err := ioutil.TempFile("", "testcontainers_start.sh")42 if err != nil {43 panic(err)44 }45 defer os.Remove(kafkaStartFile.Name())46 // needs to set KAFKA_ADVERTISED_LISTENERS with the exposed kafka port47 exposedHost := kc.GetKafkaHost()48 kafkaStartFile.WriteString("#!/bin/bash \n")49 kafkaStartFile.WriteString("export KAFKA_ADVERTISED_LISTENERS='PLAINTEXT://" + exposedHost + ",BROKER://kafka:" + KAFKA_BROKER_PORT + "'\n")50 kafkaStartFile.WriteString(". /etc/confluent/docker/bash-config \n")51 kafkaStartFile.WriteString("/etc/confluent/docker/configure \n")52 kafkaStartFile.WriteString("/etc/confluent/docker/launch \n")53 err = kc.kafkaContainer.CopyFileToContainer(ctx, kafkaStartFile.Name(), "testcontainers_start.sh", 0700)54 if err != nil {55 panic(err)56 }57}58func NewKafkaCluster() *KafkaCluster {59 ctx := context.Background()60 // creates a network, so kafka and zookeeper can communicate directly61 network, err := testcontainers.GenericNetwork(ctx, testcontainers.GenericNetworkRequest{62 NetworkRequest: testcontainers.NetworkRequest{Name: CLUSTER_NETWORK_NAME},63 })64 if err != nil {65 panic(err)66 }67 dockerNetwork := network.(*testcontainers.DockerNetwork)...

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testcontainers.go

Source:testcontainers.go Github

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...9 env map[string]string10 publishPorts []string11 waitStrategy wait.Strategy12 containerMounts []testcontainers.ContainerMount13 noStart bool14 startupTimeout int15}16func NewTestContainers() TestContainers {17 return TestContainers{startupTimeout: 20}18}19func (r TestContainers) WithEnv(env map[string]string) TestContainers {20 r.env = env21 return r22}23func (r TestContainers) WithMounts(containerMounts ...testcontainers.ContainerMount) TestContainers {24 r.containerMounts = append(r.containerMounts, containerMounts...)25 return r26}27func (r TestContainers) WithExposedPorts(values ...string) TestContainers {28 r.publishPorts = append(r.publishPorts, values...)29 return r30}31func (r TestContainers) WithWaitingFor(waitStrategy wait.Strategy) TestContainers {32 r.waitStrategy = waitStrategy33 return r34}35func (r TestContainers) WithNoStart() TestContainers {36 r.noStart = true37 return r38}39func (r TestContainers) WithTimeout(t int) TestContainers {40 r.startupTimeout = t41 return r42}43func (r TestContainers) Execute(imageID string) (testcontainers.Container, error) {44 req := testcontainers.ContainerRequest{45 Image: imageID,46 ExposedPorts: r.publishPorts,47 WaitingFor: r.waitStrategy,48 Env: r.env,49 Mounts: r.containerMounts,50 SkipReaper: true,51 }52 c, cancel := context.WithTimeout(context.Background(), time.Second*time.Duration(r.startupTimeout))53 defer cancel()54 return testcontainers.GenericContainer(c, testcontainers.GenericContainerRequest{55 ContainerRequest: req,56 Started: !r.noStart,57 })58}...

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1import (2func main() {3 ctx := context.Background()4 req := testcontainers.ContainerRequest{5 ExposedPorts: []string{"27017/tcp"},6 WaitingFor: wait.ForListeningPort("27017/tcp"),7 }8 mongo, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9 })10 defer mongo.Terminate(ctx)11 ip, _ := mongo.Host(ctx)12 port, _ := mongo.MappedPort(ctx, "27017")13}14import (15func main() {16 ctx := context.Background()17 req := testcontainers.ContainerRequest{18 ExposedPorts: []string{"27017/tcp"},19 WaitingFor: wait.ForListeningPort("27017/tcp"),20 }21 mongo, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{22 })23 defer mongo.Terminate(ctx)24 ip, _ := mongo.Host(ctx)25 port, _ := mongo.MappedPort(ctx, "27017")26}27import (28func main() {29 ctx := context.Background()30 req := testcontainers.ContainerRequest{31 ExposedPorts: []string{"27017/tcp"},32 WaitingFor: wait.ForListeningPort("27017/tcp"),33 }34 mongo, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{35 })36 defer mongo.Terminate(ctx)37 ip, _ := mongo.Host(ctx)

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1import (2func main() {3 ctx := context.Background()4 req := testcontainers.ContainerRequest{5 ExposedPorts: []string{"6379/tcp"},6 WaitingFor: wait.ForListeningPort("6379/tcp"),7 }8 redis, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9 })10 if err != nil {11 panic(err)12 }13 defer redis.Terminate(ctx)14 ip, err := redis.Host(ctx)15 if err != nil {16 panic(err)17 }18 mappedPort, err := redis.MappedPort(ctx, "6379")19 if err != nil {20 panic(err)21 }22 fmt.Printf("Redis is available at %s:%s", ip, mappedPort.Port())23}

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1import (2func main() {3 ctx := context.Background()4 req := testcontainers.ContainerRequest{5 ExposedPorts: []string{"6379/tcp"},6 WaitingFor: wait.ForLog("Ready to accept connections"),7 }8 redisContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9 })10 if err != nil {11 log.Fatal(err)12 }13 defer redisContainer.Terminate(ctx)14 redisPort, err := redisContainer.MappedPort(ctx, "6379/tcp")15 if err != nil {16 log.Fatal(err)17 }18 fmt.Println(redisPort.Int())19 time.Sleep(10 * time.Minute)20}21import (22func main() {23 ctx := context.Background()24 req := testcontainers.ContainerRequest{25 ExposedPorts: []string{"6379/tcp"},26 WaitingFor: wait.ForLog("Ready to accept connections"),27 }28 redisContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{29 })30 if err != nil {31 log.Fatal(err)32 }33 defer redisContainer.Terminate(ctx)34 redisPort, err := redisContainer.MappedPort(ctx, "6379/tcp")35 if err != nil {36 log.Fatal(err)37 }38 fmt.Println(redisPort.Int())39 time.Sleep(10 * time.Minute)40}41import (

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Start

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1import (2func main() {3 ctx := context.Background()4 req := testcontainers.ContainerRequest{5 ExposedPorts: []string{"6379/tcp"},6 WaitingFor: wait.ForLog("Ready to accept connections"),7 }8 redisContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9 })10 if err != nil {11 log.Fatal(err)12 }13 defer redisContainer.Terminate(ctx)14 ip, err := redisContainer.Host(ctx)15 if err != nil {16 log.Fatal(err)17 }18 port, err := redisContainer.MappedPort(ctx, "6379")19 if err != nil {20 log.Fatal(err)21 }22 fmt.Println(ip, port.Int())23 time.Sleep(10 * time.Minute)24}

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1import (2func TestStart(t *testing.T) {3 ctx := context.Background()4 req := testcontainers.ContainerRequest{5 WaitingFor: wait.ForLog("Ready to accept connections"),6 }7 redisContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{8 })9 if err != nil {10 log.Fatalf("Could not start container: %v", err)11 }12 defer redisContainer.Terminate(ctx)13 ip, err := redisContainer.Host(ctx)14 if err != nil {15 log.Fatalf("Could not get container IP: %v", err)16 }17 port, err := redisContainer.MappedPort(ctx, "6379/tcp")18 if err != nil {19 log.Fatalf("Could not get container port: %v", err)20 }21 fmt.Printf("Container port is %d, IP is %s\n", port.Int(), ip)22}

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1import (2func main() {3 ctx := context.Background()4 req := testcontainers.ContainerRequest{5 ExposedPorts: []string{"80/tcp"},6 WaitingFor: wait.ForHTTP("/").WithStartupTimeout(1 * time.Minute),7 }8 nginxContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9 })10 if err != nil {11 log.Fatal(err)12 }13 ip, err := nginxContainer.Host(ctx)14 if err != nil {15 log.Fatal(err)16 }17 port, err := nginxContainer.MappedPort(ctx, "80")18 if err != nil {19 log.Fatal(err)20 }21 if err != nil {22 log.Fatal(err)23 }24 fmt.Println(resp.Status)25 err = nginxContainer.Terminate(ctx)26 if err != nil {27 log.Fatal(err)28 }29 err = nginxContainer.Remove(ctx)30 if err != nil {31 log.Fatal(err)32 }33}

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1import (2func main() {3 ctx := context.Background()4 req := testcontainers.ContainerRequest{5 ExposedPorts: []string{"5432/tcp"},6 WaitingFor: wait.ForListeningPort("5432/tcp"),7 }8 postgresContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9 })10 if err != nil {11 panic(err)12 }13 port, err := postgresContainer.MappedPort(ctx, "5432")14 if err != nil {15 panic(err)16 }17 fmt.Println("Postgres port is: ", port.Int())18 os.Exit(0)19}20import (21func main() {22 ctx := context.Background()23 req := testcontainers.ContainerRequest{24 ExposedPorts: []string{"5432/tcp"},25 WaitingFor: wait.ForListeningPort("5432/tcp"),26 }27 postgresContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{28 })29 if err != nil {30 panic(err)31 }32 port, err := postgresContainer.MappedPort(ctx, "5432")33 if err != nil {34 panic(err)35 }36 fmt.Println("Postgres port is: ", port.Int())37 postgresContainer.Terminate(ctx)38 os.Exit(0)39}40import (41func main() {42 ctx := context.Background()43 req := testcontainers.ContainerRequest{44 ExposedPorts: []string{"5432/tcp"},45 WaitingFor: wait.ForListeningPort("5432/tcp"),46 }47 postgresContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{

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1import (2func main() {3 ctx := context.Background()4 req := testcontainers.ContainerRequest{5 ExposedPorts: []string{"3306/tcp"},6 WaitingFor: wait.ForListeningPort("3306/tcp"),7 }8 mysqlContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9 })10 if err != nil {11 log.Fatal(err)12 }13 defer mysqlContainer.Terminate(ctx)14 port, err := mysqlContainer.MappedPort(ctx, "3306")15 if err != nil {16 log.Fatal(err)17 }18 ip, err := mysqlContainer.Host(ctx)19 if err != nil {20 log.Fatal(err)21 }22 fmt.Println(port.Int())23 fmt.Println(ip)24}

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1import (2func main() {3 fmt.Println("Welcome to Testcontainers")4 ctx := context.Background()5 req := testcontainers.ContainerRequest{6 ExposedPorts: []string{"6379/tcp"},7 WaitingFor: wait.ForLog("Ready to accept connections"),8 }9 redisContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10 })11 if err != nil {12 log.Fatal(err)13 }14 defer redisContainer.Terminate(ctx)15 ip, err := redisContainer.Host(ctx)16 if err != nil {17 log.Fatal(err)18 }19 port, err := redisContainer.MappedPort(ctx, "6379/tcp")20 if err != nil {21 log.Fatal(err)22 }23 fmt.Printf("Container IP: %s, Port: %s", ip, port.Port())24 time.Sleep(5 * time.Minute)25}

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