testcontainers-go/modules/cassandra/examples_test.go at 879e2858e2333d653263b52c7c8a3f22d45dbe7a · MitulShah1/testcontainers-go · GitHub

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package cassandra_test

import (
	"context"
	"fmt"
	"log"
	"path/filepath"
	"time"

	"github.com/gocql/gocql"

	"github.com/testcontainers/testcontainers-go"
	"github.com/testcontainers/testcontainers-go/modules/cassandra"
)

func ExampleRun() {
	// runCassandraContainer {
	ctx := context.Background()

	cassandraContainer, err := cassandra.Run(ctx,
		"cassandra:4.1.3",
		cassandra.WithInitScripts(filepath.Join("testdata", "init.cql")),
		cassandra.WithConfigFile(filepath.Join("testdata", "config.yaml")),
	)
	defer func() {
		if err := testcontainers.TerminateContainer(cassandraContainer); err != nil {
			log.Printf("failed to terminate container: %s", err)
		}
	}()
	if err != nil {
		log.Printf("failed to start container: %s", err)
		return
	}
	// }

	state, err := cassandraContainer.State(ctx)
	if err != nil {
		log.Printf("failed to get container state: %s", err)
		return
	}

	fmt.Println(state.Running)

	connectionHost, err := cassandraContainer.ConnectionHost(ctx)
	if err != nil {
		log.Printf("failed to get connection host: %s", err)
		return
	}

	cluster := gocql.NewCluster(connectionHost)
	session, err := cluster.CreateSession()
	if err != nil {
		log.Printf("failed to create session: %s", err)
		return
	}
	defer session.Close()

	var version string
	err = session.Query("SELECT release_version FROM system.local").Scan(&version)
	if err != nil {
		log.Printf("failed to query: %s", err)
		return
	}

	fmt.Println(version)

	// Output:
	// true
	// 4.1.3
}

func ExampleRun_withSSL() {
	ctx := context.Background()

	cassandraContainer, err := cassandra.Run(ctx,
		"cassandra:4.1.3",
		cassandra.WithConfigFile(filepath.Join("testdata", "cassandra-ssl.yaml")),
		cassandra.WithSSL(),
	)
	defer func() {
		if err := testcontainers.TerminateContainer(cassandraContainer); err != nil {
			log.Printf("failed to terminate container: %s", err)
		}
	}()
	if err != nil {
		log.Printf("failed to start container: %s", err)
		return
	}

	host, err := cassandraContainer.Host(ctx)
	if err != nil {
		log.Printf("failed to get host: %s", err)
		return
	}

	sslPort, err := cassandraContainer.MappedPort(ctx, "9142/tcp")
	if err != nil {
		log.Printf("failed to get SSL port: %s", err)
		return
	}

	// Get TLS config
	tlsConfig := cassandraContainer.TLSConfig()

	cluster := gocql.NewCluster(fmt.Sprintf("%s:%s", host, sslPort.Port()))
	cluster.Consistency = gocql.Quorum
	cluster.Timeout = 30 * time.Second
	cluster.ConnectTimeout = 30 * time.Second
	cluster.DisableInitialHostLookup = true
	cluster.SslOpts = &gocql.SslOptions{
		Config:                 tlsConfig,
		EnableHostVerification: false,
	}
	session, err := cluster.CreateSession()
	if err != nil {
		log.Printf("failed to create session: %s", err)
		return
	}
	defer session.Close()

	var version string
	err = session.Query("SELECT release_version FROM system.local").Scan(&version)
	if err != nil {
		log.Printf("failed to query: %s", err)
		return
	}

	fmt.Println(version)
	// Output:
	// 4.1.3
}