implement fetching required iam service related data

internal/aws/iam.go

@@ -0,0 +1,76 @@
+package aws
+
+import (
+	"fmt"
+
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/iam"
+)
+
+func GetUsers(sess session.Session) []*iam.User {
+	iamSrv := iam.New(&sess)
+	result, err := iamSrv.ListUsers(&iam.ListUsersInput{})
+	if err != nil {
+		fmt.Println("Error in fetching Iam Users: ", " err: ", err)
+		return nil
+	}
+	return result.Users
+}
+
+func GetUserGroups(sess session.Session) []*iam.Group {
+	iamSrv := iam.New(&sess)
+	result, err := iamSrv.ListGroups(&iam.ListGroupsInput{})
+	if err != nil {
+		fmt.Println("Error in fetching Iam Groups: ", " err: ", err)
+		return nil
+	}
+	return result.Groups
+}
+
+func GetGroupUsers(sess session.Session, grpName string) []*iam.User {
+	iamSrv := iam.New(&sess)
+	result, err := iamSrv.GetGroup(&iam.GetGroupInput{
+		GroupName: &grpName,
+	})
+	if err != nil {
+		fmt.Println("Error in fetching Iam users of the Group: ", grpName, " err: ", err)
+		return nil
+	}
+	return result.Users
+}
+
+func GetPoliciesOfGrp(sess session.Session, grpName string) []*iam.AttachedPolicy {
+	imaSrv := iam.New(&sess)
+	result, err := imaSrv.ListAttachedGroupPolicies(&iam.ListAttachedGroupPoliciesInput{
+		GroupName: &grpName,
+	})
+	if err != nil {
+		fmt.Println("Error in fetching Iam policies of the Group: ", grpName, " err: ", err)
+		return nil
+	}
+	return result.AttachedPolicies
+}
+
+// If a user belong to a Group then we can't see the user's attached policy here,
+// their policies are governed on the top of the group
+func GetPoliciesOfUser(sess session.Session, usrName string) []*iam.AttachedPolicy {
+	imaSrv := iam.New(&sess)
+	result, err := imaSrv.ListAttachedUserPolicies(&iam.ListAttachedUserPoliciesInput{
+		UserName: &usrName,
+	})
+	if err != nil {
+		fmt.Println("Error in fetching Iam policies of the User: ", usrName, " err: ", err)
+		return nil
+	}
+	return result.AttachedPolicies
+}
+
+func GetIamRoles(sess session.Session) []*iam.Role {
+	iamSrv := iam.New(&sess)
+	result, err := iamSrv.ListRoles(&iam.ListRolesInput{})
+	if err != nil {
+		fmt.Println("Error in fetching Iam Roles: ", " err: ", err)
+		return nil
+	}
+	return result.Roles
+}

internal/aws/s3.go

@@ -23,12 +23,6 @@ func (b ByBucketName) Len() int           { return len(b) }
 func (b ByBucketName) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
 func (b ByBucketName) Less(i, j int) bool { return b[i].BucketName < b[j].BucketName }
 
-type S3Service interface {
-	ListBuckets(sess session.Session) ([]BucketResp, error)
-	GetInfoAboutBucket(sess session.Session)
-	PutObjects(sess session.Session)
-}
-
 func ListBuckets(sess session.Session) ([]BucketResp, error) {
 	var bucketInfo []BucketResp
 	s3Serv := *s3.New(&sess)