Crashes when processing empty list of groups for a IAM user.

[rquadling]

General information:

• Operating System: MacOS Catalina 10.15.4
• Terracognita version / tag: 0.4.0 but shows as 0.3.0
• Did you build Terracognita from sources or did you use the Docker image: from 0.4.0 binary

Describe the bug:

Could not read aws_iam_user_group_membership. User in question has no groups.

Log message

ts=2020-05-28T14:37:40.501085Z caller=import.go:102 func=provider.Import resource=aws_instance resource=aws_vpc resource=aws_vpc_peering_connection resource=aws_key_pair resource=aws_security_group resource=aws_subnet resource=aws_ebs_volume resource=aws_elasticache_cluster resource=aws_elb resource=aws_alb resource=aws_alb_listener resource=aws_alb_listener_rule resource=aws_alb_listener_certificate resource=aws_alb_target_group resource=aws_db_instance resource=aws_db_parameter_group resource=aws_db_subnet_group resource=aws_s3_bucket resource=aws_cloudfront_distribution resource=aws_cloudfront_origin_access_identity resource=aws_cloudfront_public_key resource=aws_cloudwatch_metric_alarm resource=aws_iam_access_key resource=aws_iam_account_alias resource=aws_iam_account_password_policy resource=aws_iam_group resource=aws_iam_group_membership resource=aws_iam_group_policy resource=aws_iam_group_policy_attachment resource=aws_iam_instance_profile resource=aws_iam_openid_connect_provider resource=aws_iam_policy resource=aws_iam_role resource=aws_iam_role_policy resource=aws_iam_role_policy_attachment resource=aws_iam_saml_provider resource=aws_iam_server_certificate resource=aws_iam_user resource=aws_iam_user_group_membership id=Terraformer total=1 current=1 msg="reading from TF"
Error: could not import from AWS: unexpected format of ID ("Terraformer"), expected <user-name>/<group-name1>/...
could not import resource aws_iam_user_group_membership with id Terraformer
github.com/cycloidio/terracognita/provider.(*resource).ImportState
	/tmp/build/6b18b934/code/provider/resource.go:194
github.com/cycloidio/terracognita/provider.Import
	/tmp/build/6b18b934/code/provider/import.go:103
github.com/cycloidio/terracognita/cmd.glob..func2
	/tmp/build/6b18b934/code/cmd/aws.go:86
github.com/spf13/cobra.(*Command).execute
	/tmp/build/6b18b934/go/pkg/mod/github.com/spf13/[email protected]/command.go:826
github.com/spf13/cobra.(*Command).ExecuteC
	/tmp/build/6b18b934/go/pkg/mod/github.com/spf13/[email protected]/command.go:914
github.com/spf13/cobra.(*Command).Execute
	/tmp/build/6b18b934/go/pkg/mod/github.com/spf13/[email protected]/command.go:864
main.main
	/tmp/build/6b18b934/code/main.go:11
runtime.main
	/usr/local/go/src/runtime/proc.go:200
runtime.goexit
	/usr/local/go/src/runtime/asm_amd64.s:1337

Additional context

Add any other context about the problem here.

Using the following, demonstrates no groups or groups for specific user.

$ aws --profile management iam list-groups-for-user --user Terraformer
{
    "Groups": []
}
$ aws --profile management iam list-groups
{
    "Groups": []
}

[xescugc]

Thanks for the Issue :). Already opened the PR to solve the issue #107

[xescugc]

This issue is solved now on master, we'll prepare a release soon.