completed step 1 - integrate with aws

.gitignore

@@ -0,0 +1,9 @@
+# git does not allow empty directories.
+# Yet, we need to add this empty directory on git.
+# To achieve that, we created this .gitignore file, so that the directory will not be empty thus enabling us to commit it.
+# Since we want all generated files/folders in this directory to be ignored by git, we add a rule for this.
+*
+# And then add an exception for this specifc file (so that we can commit it).
+log_files/error/*
+log_files/info/*
+.idea

config_file/.gitignore

@@ -0,0 +1,7 @@
+# git does not allow empty directories.
+# Yet, we need to add this empty directory on git.
+# To achieve that, we created this .gitignore file, so that the directory will not be empty thus enabling us to commit it.
+# Since we want all generated files/folders in this directory to be ignored by git, we add a rule for this.
+*
+# And then add an exception for this specifc file (so that we can commit it).
+!.gitignore

go.mod

@@ -0,0 +1,30 @@
+module zeus
+
+go 1.20
+
+require (
+	github.com/aws/aws-sdk-go v1.44.280
+	github.com/go-co-op/gocron v1.30.1
+	github.com/labstack/echo/v4 v4.10.2
+	github.com/labstack/gommon v0.4.0
+	github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible
+	github.com/rifflock/lfshook v0.0.0-20180920164130-b9218ef580f5
+	github.com/sirupsen/logrus v1.9.3
+	gopkg.in/yaml.v3 v3.0.1
+)
+
+require (
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/lestrrat-go/strftime v1.0.6 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/robfig/cron/v3 v3.0.1 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasttemplate v1.2.2 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
+	golang.org/x/crypto v0.10.0 // indirect
+	golang.org/x/net v0.11.0 // indirect
+	golang.org/x/sys v0.9.0 // indirect
+	golang.org/x/text v0.10.0 // indirect
+)

go.sum

@@ -0,0 +1,121 @@
+github.com/aws/aws-sdk-go v1.44.280 h1:UYl/yxhDxP8naok6ftWyQ9/9ZzNwjC9dvEs/j8BkGhw=
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+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

handler/rotateKey_handler.go

@@ -0,0 +1,128 @@
+package handler
+
+import (
+	"fmt"
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/iam"
+	"github.com/go-co-op/gocron"
+	"time"
+	"zeus/helper"
+	"zeus/log"
+	"zeus/model"
+)
+
+func HandlerCreateDeleteKey(region string) {
+
+	fmt.Println(region)
+	var cfg model.RotationKey
+	helper.LoadConfigFile(&cfg)
+
+	s := gocron.NewScheduler(time.UTC)
+
+	rotationTask := func(userName string) error {
+		sess, err := session.NewSession(&aws.Config{
+			Region: aws.String(region)},
+		)
+		if err != nil {
+			log.Error("Error creating session: %v", err)
+			return err
+		}
+		// Create IAM service client
+		svc := iam.New(sess)
+
+		// Provide the username
+		//userName := "nimtechnology"
+
+		// Step 1: Create a new access key
+		newAccessKey, err := svc.CreateAccessKey(&iam.CreateAccessKeyInput{
+			UserName: aws.String(userName),
+		})
+		if err != nil {
+			log.Error("Error creating new access key: %v", err)
+			return err
+		}
+		fmt.Println("New Access Key ID:", *newAccessKey.AccessKey.AccessKeyId)
+		fmt.Println("New Secret Access Key:", *newAccessKey.AccessKey.SecretAccessKey)
+
+		// Step 2: List old access keys
+		oldAccessKeys, err := svc.ListAccessKeys(&iam.ListAccessKeysInput{
+			UserName: aws.String(userName),
+		})
+		if err != nil {
+			log.Error("Error listing access keys: %v", err)
+		}
+
+		// Step 3: Delete old access keys
+		for _, keyMetadata := range oldAccessKeys.AccessKeyMetadata {
+			if *keyMetadata.AccessKeyId != *newAccessKey.AccessKey.AccessKeyId {
+				_, err := svc.DeleteAccessKey(&iam.DeleteAccessKeyInput{
+					UserName:    aws.String(userName),
+					AccessKeyId: aws.String(*keyMetadata.AccessKeyId),
+				})
+				if err != nil {
+					log.Error("Error deleting access key %s: %v", *keyMetadata.AccessKeyId, err)
+				} else {
+					log.Info("Deleted old access key: %s\n", *keyMetadata.AccessKeyId)
+				}
+			}
+		}
+		return nil
+	}
+
+	for i, task := range cfg.Tasks {
+		task := task
+		log.Info("Setup Schedule ", i, " ==> ", task.Cron)
+		_, err := s.Cron(task.Cron).Do(rotationTask, task.UsernameOnAws)
+		if err != nil {
+			log.Error(err)
+		}
+
+	}
+	s.StartAsync()
+
+	//sess, err := session.NewSession(&aws.Config{
+	//	Region: aws.String(region)},
+	//)
+	//if err != nil {
+	//	log.Error("Error creating session: %v", err)
+	//}
+	//// Create IAM service client
+	//svc := iam.New(sess)
+	//
+	//// Provide the username
+	////userName := "nimtechnology"
+	//
+	//// Step 1: Create a new access key
+	//newAccessKey, err := svc.CreateAccessKey(&iam.CreateAccessKeyInput{
+	//	UserName: aws.String(userName),
+	//})
+	//if err != nil {
+	//	log.Error("Error creating new access key: %v", err)
+	//}
+	//fmt.Println("New Access Key ID:", *newAccessKey.AccessKey.AccessKeyId)
+	//fmt.Println("New Secret Access Key:", *newAccessKey.AccessKey.SecretAccessKey)
+	//
+	//// Step 2: List old access keys
+	//oldAccessKeys, err := svc.ListAccessKeys(&iam.ListAccessKeysInput{
+	//	UserName: aws.String(userName),
+	//})
+	//if err != nil {
+	//	log.Error("Error listing access keys: %v", err)
+	//}
+	//
+	//// Step 3: Delete old access keys
+	//for _, keyMetadata := range oldAccessKeys.AccessKeyMetadata {
+	//	if *keyMetadata.AccessKeyId != *newAccessKey.AccessKey.AccessKeyId {
+	//		_, err := svc.DeleteAccessKey(&iam.DeleteAccessKeyInput{
+	//			UserName:    aws.String(userName),
+	//			AccessKeyId: aws.String(*keyMetadata.AccessKeyId),
+	//		})
+	//		if err != nil {
+	//			log.Error("Error deleting access key %s: %v", *keyMetadata.AccessKeyId, err)
+	//		} else {
+	//			log.Info("Deleted old access key: %s\n", *keyMetadata.AccessKeyId)
+	//		}
+	//	}
+	//}
+}

helper/loadConfigFile_helper.go

@@ -0,0 +1,20 @@
+package helper
+
+import (
+	"gopkg.in/yaml.v3"
+	"os"
+	"zeus/log"
+	"zeus/model"
+)
+
+func LoadConfigFile(cfg *model.RotationKey) {
+	f, err := os.ReadFile("config_file/schedules.yaml")
+	if err != nil {
+		log.Error(err)
+	}
+
+	err = yaml.Unmarshal(f, &cfg)
+	if err != nil {
+		log.Error(err)
+	}
+}