func()

in internal/servicedeployer/compose.go [75:194]

• 90 lines of code
• 18 McCabe index (conditional complexity)

func (d *DockerComposeServiceDeployer) SetUp(ctx context.Context, svcInfo ServiceInfo) (DeployedService, error) {
	logger.Debug("setting up service using Docker Compose service deployer")
	service := dockerComposeDeployedService{
		ymlPaths: d.ymlPaths,
		project:  fmt.Sprintf("elastic-package-service-%s", svcInfo.Test.RunID),
		variant:  d.variant,
		env: []string{
			fmt.Sprintf("%s=%s", serviceLogsDirEnv, svcInfo.Logs.Folder.Local),
		},
	}

	p, err := compose.NewProject(service.project, service.ymlPaths...)
	if err != nil {
		return nil, fmt.Errorf("could not create Docker Compose project for service: %w", err)
	}

	// Verify the Elastic stack network
	err = stack.EnsureStackNetworkUp(d.profile)
	if err != nil {
		return nil, fmt.Errorf("stack network is not ready: %w", err)
	}

	// Clean service logs
	if d.runTestsOnly {
		// service logs folder must no be deleted to avoid breaking log files written
		// by the service. If this is required, those files should be rotated or truncated
		// so the service can still write to them.
		logger.Debugf("Skipping removing service logs folder folder %s", svcInfo.Logs.Folder.Local)
	} else {
		err = files.RemoveContent(svcInfo.Logs.Folder.Local)
		if err != nil {
			return nil, fmt.Errorf("removing service logs failed: %w", err)
		}
	}

	// Boot up service
	if d.variant.active() {
		logger.Infof("Using service variant: %s", d.variant.String())
	}

	opts := compose.CommandOptions{
		Env: append(
			service.env,
			d.variant.Env...),
		ExtraArgs: []string{"--build", "-d"},
	}

	serviceName := svcInfo.Name
	if d.runTearDown || d.runTestsOnly {
		logger.Debug("Skipping bringing up docker-compose custom agent project")
	} else {
		err = p.Up(ctx, opts)
		if err != nil {
			return nil, fmt.Errorf("could not boot up service using Docker Compose: %w", err)
		}
	}

	err = p.WaitForHealthy(ctx, opts)
	if err != nil {
		processServiceContainerLogs(context.WithoutCancel(ctx), p, compose.CommandOptions{
			Env: opts.Env,
		}, svcInfo.Name)
		return nil, fmt.Errorf("service is unhealthy: %w", err)
	}

	// Added a specific alias when connecting the service to the network.
	// - There could be container names too long that could not be resolved by the local DNS
	// - Not used serviceName directly as alias container, since there could be packages defining
	//   kibana or elasticsearch services and those DNS names are already present in the Elastic stack.
	//   This is mainly applicable when the Elastic Agent of the stack is used for testing.
	// - Keep the same alias for both implementations for consistency
	aliasContainer := fmt.Sprintf("svc-%s", serviceName)
	if d.runTearDown || d.runTestsOnly {
		logger.Debug("Skipping connect container to network (non setup steps)")
	} else {
		aliases := []string{
			aliasContainer,
		}
		if d.deployIndependentAgent {
			// Connect service network with agent network
			err = docker.ConnectToNetworkWithAlias(p.ContainerName(serviceName), svcInfo.AgentNetworkName, aliases)

			if err != nil {
				return nil, fmt.Errorf("can't attach service container to the agent network: %w", err)
			}
		} else {
			// Connect service network with stack network (for the purpose of metrics collection)
			err = docker.ConnectToNetworkWithAlias(p.ContainerName(serviceName), stack.Network(d.profile), aliases)
			if err != nil {
				return nil, fmt.Errorf("can't attach service container to the stack network: %w", err)
			}
		}
	}

	// Build service container name
	svcInfo.Hostname = aliasContainer

	logger.Debugf("adding service container %s internal ports to context", p.ContainerName(serviceName))
	serviceComposeConfig, err := p.Config(ctx, compose.CommandOptions{
		Env: service.env,
	})
	if err != nil {
		return nil, fmt.Errorf("could not get Docker Compose configuration for service: %w", err)
	}

	s := serviceComposeConfig.Services[serviceName]
	svcInfo.Ports = make([]int, len(s.Ports))
	for idx, port := range s.Ports {
		svcInfo.Ports[idx] = port.InternalPort
	}

	// Shortcut to first port for convenience
	if len(svcInfo.Ports) > 0 {
		svcInfo.Port = svcInfo.Ports[0]
	}

	svcInfo.Agent.Host.NamePrefix = "docker-fleet-agent"
	service.svcInfo = svcInfo
	return &service, nil
}