Refactor Out Config Pointer

cmd/aws-service-operator/main.go

@@ -9,6 +9,9 @@ import (
 	"github.com/aws/aws-sdk-go/aws/ec2metadata"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/awslabs/aws-service-operator/pkg/config"
+	"github.com/awslabs/aws-service-operator/pkg/logger"
+	"github.com/awslabs/aws-service-operator/pkg/queue"
+	goVersion "github.com/christopherhein/go-version"
 	homedir "github.com/mitchellh/go-homedir"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
@@ -90,7 +93,14 @@ func initConfig() {
 	}
 }
 
-func getConfig() (c *config.Config, err error) {
+func getConfig() (c config.Config, err error) {
+	loggingConfig := config.LoggingConfig{
+		File:              logFile,
+		Level:             logLevel,
+		FullTimestamps:    true,
+		DisableTimestamps: false,
+	}
+
 	resourcesMap := map[string]bool{}
 	for _, r := range strings.Split(resources, ",") {
 		resourcesMap[r] = true
@@ -101,37 +111,49 @@ func getConfig() (c *config.Config, err error) {
 	if awsRegion == "" {
 		awsRegion, err = metadata.Region()
 		if err != nil {
-			return nil, err
+			return c, err
 		}
 	}
 
 	sess, err := session.NewSession(&aws.Config{Region: aws.String(awsRegion)})
 	if err != nil {
-		return nil, err
+		return c, err
 	}
 
-	c = &config.Config{
-		Region:     awsRegion,
-		Kubeconfig: kubeconfig,
-		MasterURL:  masterURL,
-		AWSSession: sess,
-		LoggingConfig: &config.LoggingConfig{
-			File:              logFile,
-			Level:             logLevel,
-			FullTimestamps:    true,
-			DisableTimestamps: false,
-		},
+	awsclientset, kubeclientset, restconfig, err := config.CreateContext(masterURL, kubeconfig)
+	if err != nil {
+		return c, err
+	}
+
+	logger, err := logger.Configure(loggingConfig)
+	if err != nil {
+		return c, err
+	}
+
+	queueURL, queueARN, err := queue.RegisterQueue(sess, clusterName, "cloudformation")
+	if err != nil {
+		return c, err
+	}
+
+	c = config.Config{
+		Region:           awsRegion,
+		Kubeconfig:       kubeconfig,
+		MasterURL:        masterURL,
+		Logger:           logger,
+		Version:          goVersion.New(version, commit, date),
+		AWSSession:       sess,
+		LoggingConfig:    loggingConfig,
+		AWSClientset:     awsclientset,
+		KubeClientset:    kubeclientset,
+		RESTConfig:       restconfig,
+		Recorder:         config.CreateRecorder(logger, kubeclientset),
 		Resources:        resourcesMap,
 		ClusterName:      clusterName,
 		Bucket:           bucket,
 		AccountID:        accountID,
 		DefaultNamespace: defaultNamespace,
+		QueueURL:         queueURL,
+		QueueARN:         queueARN,
 	}
-
-	err = c.CreateContext(masterURL, kubeconfig)
-	if err != nil {
-		return nil, err
-	}
-
 	return c, nil
 }

cmd/aws-service-operator/server.go

@@ -6,7 +6,6 @@ import (
 	"os/signal"
 	"syscall"
 
-	"github.com/awslabs/aws-service-operator/pkg/logger"
 	"github.com/awslabs/aws-service-operator/pkg/server"
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
@@ -22,20 +21,14 @@ var serverCmd = &cobra.Command{
 			logrus.Fatalf("%s", err)
 		}
 
-		logger, err := logger.Configure(config.LoggingConfig)
-		if err != nil {
-			logrus.Fatalf("Failed to configure logging: '%s'" + err.Error())
-		}
-		config.Logger = logger
-
 		ctx, cancel := context.WithCancel(context.Background())
 		signalChan := make(chan os.Signal, 1)
 		signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
 
 		go server.New(config).Run(ctx)
 
 		<-signalChan
-		logger.Info("shutdown signal received, exiting...")
+		config.Logger.Info("shutdown signal received, exiting...")
 		cancel()
 	},
 }

code-generation/pkg/codegen/assets/base.go.templ

@@ -10,15 +10,15 @@ import (
 )
 
 type base struct {
-  config *config.Config
+  config config.Config
   queueManager *queuemanager.QueueManager
   {{- range $index, $element := .Items}}
   {{$element.Spec.Resource.Name}} *{{$element.Spec.Resource.Name}}.Operator
   {{- end}}
 }
 
 func New(
-  config *config.Config,
+  config config.Config,
   queueManager *queuemanager.QueueManager,
 ) *base {
   return &base{

code-generation/pkg/codegen/assets/cft.go.templ

@@ -15,7 +15,7 @@ import (
 )
 
 // New generates a new object
-func New(config *config.Config, {{.Spec.Resource.Name}} *awsV1alpha1.{{.Spec.Kind}}, topicARN string) *Cloudformation {
+func New(config config.Config, {{.Spec.Resource.Name}} *awsV1alpha1.{{.Spec.Kind}}, topicARN string) *Cloudformation {
 	return &Cloudformation{
 		{{.Spec.Kind}}: {{.Spec.Resource.Name}},
 		config:					config,
@@ -25,7 +25,7 @@ func New(config *config.Config, {{.Spec.Resource.Name}} *awsV1alpha1.{{.Spec.Kin
 
 // Cloudformation defines the {{.Spec.Resource.Name}} cfts
 type Cloudformation struct {
-	config         *config.Config
+	config         config.Config
 	{{.Spec.Kind}} *awsV1alpha1.{{.Spec.Kind}}
   topicARN       string
 }

code-generation/pkg/codegen/assets/operator.go.templ

@@ -33,13 +33,13 @@ import (
 
 // Operator represents a controller object for object store custom resources
 type Operator struct {
-	config       *config.Config
+	config       config.Config
 	topicARN     string
 	queueManager *queuemanager.QueueManager
 }
 
 // NewOperator create controller for watching object store custom resources created
-func NewOperator(config *config.Config, queueManager *queuemanager.QueueManager) *Operator {
+func NewOperator(config config.Config, queueManager *queuemanager.QueueManager) *Operator {
 	{{- if .Spec.Queue}}
 	queuectrl := queue.New(config, config.AWSClientset, 10)
 	topicARN, _ := queuectrl.Register("{{.Spec.Resource.Name}}")
@@ -69,7 +69,7 @@ func (c *Operator) StartWatch(ctx context.Context, namespace string) {
 
 {{- if .Spec.Queue}}
 // QueueUpdater will take the messages from the queue and process them
-func QueueUpdater(config *config.Config, msg *queuemanager.MessageBody) error {
+func QueueUpdater(config config.Config, msg *queuemanager.MessageBody) error {
 	logger := config.Logger
 	var name, namespace string
 	if msg.Updatable {
@@ -198,7 +198,7 @@ func (c *Operator) onDelete(obj interface{}) {
 
 
 {{- if .Spec.IsCustomized}}
-func incrementRollbackCount(config *config.Config, name string, namespace string) error {
+func incrementRollbackCount(config config.Config, name string, namespace string) error {
 	logger := config.Logger
 	clientSet, _ := awsclient.NewForConfig(config.RESTConfig)
 	resource, err := clientSet.{{.Spec.PluralName}}(namespace).Get(name, metav1.GetOptions{})
@@ -218,7 +218,7 @@ func incrementRollbackCount(config *config.Config, name string, namespace string
 	return nil
 }
 
-func updateStatus(config *config.Config, name string, namespace string, stackID string, status string, reason string) (*awsV1alpha1.{{.Spec.Kind}}, error) {
+func updateStatus(config config.Config, name string, namespace string, stackID string, status string, reason string) (*awsV1alpha1.{{.Spec.Kind}}, error) {
 	logger := config.Logger
 	clientSet, _ := awsclient.NewForConfig(config.RESTConfig)
 	resource, err := clientSet.{{.Spec.PluralName}}(namespace).Get(name, metav1.GetOptions{})
@@ -264,7 +264,7 @@ func updateStatus(config *config.Config, name string, namespace string, stackID
 	return resourceCopy, nil
 }
 
-func deleteStack(config *config.Config, name string, namespace string, stackID string) (*awsV1alpha1.{{.Spec.Kind}}, error) {
+func deleteStack(config config.Config, name string, namespace string, stackID string) (*awsV1alpha1.{{.Spec.Kind}}, error) {
 	logger := config.Logger
 	clientSet, _ := awsclient.NewForConfig(config.RESTConfig)
 	resource, err := clientSet.{{.Spec.PluralName}}(namespace).Get(name, metav1.GetOptions{})
@@ -283,7 +283,7 @@ func deleteStack(config *config.Config, name string, namespace string, stackID s
 	return resource, err
 }
 
-func syncAdditionalResources(config *config.Config, s *awsV1alpha1.{{.Spec.Kind}}) (err error) {
+func syncAdditionalResources(config config.Config, s *awsV1alpha1.{{.Spec.Kind}}) (err error) {
 	clientSet, _ := awsclient.NewForConfig(config.RESTConfig)
 	resource, err := clientSet.{{.Spec.PluralName}}(s.Namespace).Get(s.Name, metav1.GetOptions{})
 	if err != nil {

code-generation/pkg/codegen/assets/template_functions.go.templ

@@ -25,13 +25,13 @@ func New() Helpers {
 type Helpers struct {
   KubernetesResourceName func(string) (string)
 	{{- range $index, $element := .Items }}
-	Get{{$element.Spec.Kind}}ByName func(*config.Config, string, string) (interface{}, error)
+	Get{{$element.Spec.Kind}}ByName func(config.Config, string, string) (interface{}, error)
 	{{- end}}
 }
 
 {{- range $index, $element := .Items }}
 // Get{{$element.Spec.Kind}}ByName will find the resource by name
-func Get{{$element.Spec.Kind}}ByName(config *config.Config, name string, namespace string) (interface{}, error) {
+func Get{{$element.Spec.Kind}}ByName(config config.Config, name string, namespace string) (interface{}, error) {
 	logger := config.Logger
 	clientSet, _ := awsclient.NewForConfig(config.RESTConfig)
 	resource, err := clientSet.{{$element.Spec.PluralName}}(namespace).Get(name, metav1.GetOptions{})

pkg/config/types.go → pkg/config/config.go

@@ -5,15 +5,22 @@ import (
 
 	"github.com/aws/aws-sdk-go/aws/session"
 	awsclient "github.com/awslabs/aws-service-operator/pkg/client/clientset/versioned/typed/service-operator.aws/v1alpha1"
+	goVersion "github.com/christopherhein/go-version"
 	"github.com/sirupsen/logrus"
+	corev1 "k8s.io/api/core/v1"
 	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/kubernetes/scheme"
+	typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/clientcmd"
 	"k8s.io/client-go/tools/record"
 )
 
+const controllerName = "aws-service-operator"
+
 // Config defines the configuration for the operator
 type Config struct {
+	Version          *goVersion.Info
 	Region           string
 	Kubeconfig       string
 	MasterURL        string
@@ -23,7 +30,7 @@ type Config struct {
 	AWSClientset     awsclient.ServiceoperatorV1alpha1Interface
 	KubeClientset    kubernetes.Interface
 	RESTConfig       *rest.Config
-	LoggingConfig    *LoggingConfig
+	LoggingConfig    LoggingConfig
 	Logger           *logrus.Entry
 	Resources        map[string]bool
 	ClusterName      string
@@ -48,25 +55,29 @@ func getKubeconfig(masterURL, kubeconfig string) (*rest.Config, error) {
 	return rest.InClusterConfig()
 }
 
-func (c *Config) CreateContext(masterURL, kubeconfig string) error {
+// CreateContext will create all the contexts for the informers
+func CreateContext(masterURL, kubeconfig string) (awsclient.ServiceoperatorV1alpha1Interface, kubernetes.Interface, *rest.Config, error) {
 	config, err := getKubeconfig(masterURL, kubeconfig)
 	if err != nil {
-		return fmt.Errorf("failed to get k8s config. %+v", err)
+		return nil, nil, nil, fmt.Errorf("failed to get k8s config. %+v", err)
 	}
 
 	clientset, err := kubernetes.NewForConfig(config)
 	if err != nil {
-		return fmt.Errorf("failed to get k8s client. %+v", err)
+		return nil, nil, nil, fmt.Errorf("failed to get k8s client. %+v", err)
 	}
 
 	awsclientset, err := awsclient.NewForConfig(config)
 	if err != nil {
-		return fmt.Errorf("failed to create object store clientset. %+v", err)
+		return nil, nil, nil, fmt.Errorf("failed to create object store clientset. %+v", err)
 	}
 
-	c.AWSClientset = awsclientset
-	c.KubeClientset = clientset
-	c.RESTConfig = config
+	return awsclientset, clientset, config, nil
+}
 
-	return nil
+func CreateRecorder(logger *logrus.Entry, kubeclientset kubernetes.Interface) record.EventRecorder {
+	eventBroadcaster := record.NewBroadcaster()
+	eventBroadcaster.StartLogging(logger.Infof)
+	eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: kubeclientset.CoreV1().Events("")})
+	return eventBroadcaster.NewRecorder(scheme.Scheme, corev1.EventSource{Component: controllerName})
 }

pkg/customizations/cloudformationtemplate/cloudformationtemplate.go

@@ -5,7 +5,6 @@ import (
 	"reflect"
 
 	"github.com/aws/aws-sdk-go/aws"
-	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
 	awsV1alpha1 "github.com/awslabs/aws-service-operator/pkg/apis/service-operator.aws/v1alpha1"
 	awsclient "github.com/awslabs/aws-service-operator/pkg/client/clientset/versioned/typed/service-operator.aws/v1alpha1"
@@ -14,11 +13,11 @@ import (
 )
 
 // OnAdd will be fired when you add a new CFT
-func OnAdd(config *config.Config, cft *awsV1alpha1.CloudFormationTemplate) {
+func OnAdd(config config.Config, cft *awsV1alpha1.CloudFormationTemplate) {
 	logger := config.Logger
 
 	updateOutput(config, cft, "UPLOAD_IN_PROGRESS", "")
-	err := addFileToS3(config.AWSSession, config.Bucket, cft.Data.Key, cft.Data.Template)
+	err := addFileToS3(config, config.Bucket, cft.Data.Key, cft.Data.Template)
 	if err != nil {
 		logger.WithError(err).Error("error uploading cloudformation")
 		updateOutput(config, cft, "UPLOAD_FAILED", err.Error())
@@ -28,12 +27,12 @@ func OnAdd(config *config.Config, cft *awsV1alpha1.CloudFormationTemplate) {
 }
 
 // OnUpdate will be fired when you update a CFT
-func OnUpdate(config *config.Config, oldcft *awsV1alpha1.CloudFormationTemplate, newcft *awsV1alpha1.CloudFormationTemplate) {
+func OnUpdate(config config.Config, oldcft *awsV1alpha1.CloudFormationTemplate, newcft *awsV1alpha1.CloudFormationTemplate) {
 	if !reflect.DeepEqual(oldcft.Data, newcft.Data) {
 		logger := config.Logger
 
 		updateOutput(config, newcft, "UPLOAD_IN_PROGRESS", "")
-		err := addFileToS3(config.AWSSession, config.Bucket, oldcft.Data.Key, newcft.Data.Template)
+		err := addFileToS3(config, config.Bucket, oldcft.Data.Key, newcft.Data.Template)
 		if err != nil {
 			logger.WithError(err).Error("error uploading cloudformation")
 			updateOutput(config, newcft, "UPLOAD_FAILED", err.Error())
@@ -44,23 +43,23 @@ func OnUpdate(config *config.Config, oldcft *awsV1alpha1.CloudFormationTemplate,
 }
 
 // OnDelete will be fired when you delete a CFT
-func OnDelete(config *config.Config, cft *awsV1alpha1.CloudFormationTemplate) {
+func OnDelete(config config.Config, cft *awsV1alpha1.CloudFormationTemplate) {
 	logger := config.Logger
-
-	_, err := s3.New(config.AWSSession).DeleteObject(&s3.DeleteObjectInput{
+	sess := config.AWSSession
+	_, err := s3.New(sess).DeleteObject(&s3.DeleteObjectInput{
 		Bucket: aws.String(config.Bucket),
 		Key:    aws.String(cft.Data.Key),
 	})
 	if err != nil {
-		logger.WithError(err).Error("error uploading cloudformation")
+		logger.WithError(err).Error("error deleting cloudformation")
 	}
 	logger.Infof("deleted cloudformationtemplate '%s'", cft.Name)
 }
 
-func addFileToS3(s *session.Session, bucket string, filename string, template string) error {
+func addFileToS3(config config.Config, bucket string, filename string, template string) error {
 	buffer := []byte(template)
-
-	svc := s3.New(s)
+	sess := config.AWSSession
+	svc := s3.New(sess)
 
 	_, err := svc.PutObject(&s3.PutObjectInput{
 		Bucket: aws.String(bucket),
@@ -71,7 +70,7 @@ func addFileToS3(s *session.Session, bucket string, filename string, template st
 	return err
 }
 
-func updateOutput(config *config.Config, cft *awsV1alpha1.CloudFormationTemplate, status string, reason string) error {
+func updateOutput(config config.Config, cft *awsV1alpha1.CloudFormationTemplate, status string, reason string) error {
 	logger := config.Logger
 	clientSet, _ := awsclient.NewForConfig(config.RESTConfig)
 	resource, err := clientSet.CloudFormationTemplates(cft.Namespace).Get(cft.Name, metav1.GetOptions{})

pkg/helpers/configmap.go

@@ -7,7 +7,7 @@ import (
 )
 
 // CreateConfigMap will create a Kubernetes Servic Using ExternalName types
-func CreateConfigMap(config *config.Config, resource interface{}, svcName string, svcNamespace string, configMapTemplate map[string]string) string {
+func CreateConfigMap(config config.Config, resource interface{}, svcName string, svcNamespace string, configMapTemplate map[string]string) string {
 	logger := config.Logger
 	cmData := map[string]string{}
 	for key, value := range configMapTemplate {