consul/test/integration/consul-container/libs/service/examples.go

144 lines
3.8 KiB
Go

package service
import (
"context"
"fmt"
"time"
"github.com/docker/go-connections/nat"
"github.com/hashicorp/consul/api"
"github.com/testcontainers/testcontainers-go"
"github.com/testcontainers/testcontainers-go/wait"
libnode "github.com/hashicorp/consul/test/integration/consul-container/libs/agent"
"github.com/hashicorp/consul/test/integration/consul-container/libs/utils"
)
// exampleContainer
type exampleContainer struct {
ctx context.Context
container testcontainers.Container
ip string
httpPort int
grpcPort int
serviceName string
}
func (g exampleContainer) GetName() string {
name, err := g.container.Name(g.ctx)
if err != nil {
return ""
}
return name
}
func (g exampleContainer) GetAddr() (string, int) {
return g.ip, g.httpPort
}
func (g exampleContainer) Start() error {
if g.container == nil {
return fmt.Errorf("container has not been initialized")
}
return g.container.Start(context.Background())
}
// Terminate attempts to terminate the container. On failure, an error will be
// returned and the reaper process (RYUK) will handle cleanup.
func (c exampleContainer) Terminate() error {
if c.container == nil {
return nil
}
var err error
if *utils.FollowLog {
err = c.container.StopLogProducer()
if err1 := c.container.Terminate(c.ctx); err1 == nil {
err = err1
}
} else {
err = c.container.Terminate(c.ctx)
}
c.container = nil
return err
}
func (g exampleContainer) Export(partition, peerName string, client *api.Client) error {
config := &api.ExportedServicesConfigEntry{
Name: partition,
Services: []api.ExportedService{
{
Name: g.GetServiceName(),
Consumers: []api.ServiceConsumer{
// TODO: need to handle the changed field name in 1.13
{Peer: peerName},
},
},
},
}
_, _, err := client.ConfigEntries().Set(config, &api.WriteOptions{})
return err
}
func (g exampleContainer) GetServiceName() string {
return g.serviceName
}
func NewExampleService(ctx context.Context, name string, httpPort int, grpcPort int, node libnode.Agent) (Service, error) {
namePrefix := fmt.Sprintf("%s-service-example-%s", node.GetDatacenter(), name)
containerName := utils.RandName(namePrefix)
req := testcontainers.ContainerRequest{
Image: hashicorpDockerProxy + "/fortio/fortio",
WaitingFor: wait.ForLog("").WithStartupTimeout(10 * time.Second),
AutoRemove: false,
Name: containerName,
Cmd: []string{"server", "-http-port", fmt.Sprintf("%d", httpPort), "-grpc-port", fmt.Sprintf("%d", grpcPort), "-redirect-port", "-disabled"},
Env: map[string]string{"FORTIO_NAME": name},
ExposedPorts: []string{
fmt.Sprintf("%d/tcp", httpPort), // HTTP Listener
fmt.Sprintf("%d/tcp", grpcPort), // GRPC Listener
},
}
container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
ContainerRequest: req,
Started: true,
})
if err != nil {
return nil, err
}
ip, err := container.ContainerIP(ctx)
if err != nil {
return nil, err
}
mappedHTPPPort, err := container.MappedPort(ctx, nat.Port(fmt.Sprintf("%d", httpPort)))
if err != nil {
return nil, err
}
mappedGRPCPort, err := container.MappedPort(ctx, nat.Port(fmt.Sprintf("%d", grpcPort)))
if err != nil {
return nil, err
}
if *utils.FollowLog {
if err := container.StartLogProducer(ctx); err != nil {
return nil, err
}
container.FollowOutput(&LogConsumer{
Prefix: containerName,
})
}
terminate := func() error {
return container.Terminate(context.Background())
}
node.RegisterTermination(terminate)
fmt.Printf("Example service exposed http port %d, gRPC port %d\n", mappedHTPPPort.Int(), mappedGRPCPort.Int())
return &exampleContainer{container: container, ip: ip, httpPort: mappedHTPPPort.Int(), grpcPort: mappedGRPCPort.Int(), serviceName: name}, nil
}