iam_access_group data source can't see more than 50 access groups

[triceam]

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Terraform CLI and Terraform IBM Provider Version

Terraform v1.1.5
on linux_amd64

Affected Resource(s)

• iam_access_group data source

Expected Behavior

The iam_access_group data source should be able to see all resource groups that exist within an account.

Actual Behavior

The iam_access_group can't see more than the first 50 access groups within an account. I suspect that the terrafor provider is not using paged results of the IAM API, and is only looking at the first page with a limit of 50. If your account has more than 50 access groups, only those that fall within the first page are recognized by the data source.

You get a runtime error like this:

╷
│ Error: [ERROR] No Access Groups with name ZOS_DEV_VIEW in Account
│ 
│   with module.ibm-access-group.data.ibm_iam_access_group.viewers,
│   on .terraform/modules/ibm-access-group/main.tf line 71, in data "ibm_iam_access_group" "viewers":
│   71: data ibm_iam_access_group viewers {
│ 

Even though the access group does, in fact, exist within the account:

Steps to Reproduce

1. Have an account with more than 50 access groups
2. Try to read an access group that isn't within the first 50:

data "ibm_iam_access_group" "accgroup" {
  access_group_name = ZOS_DEV_VIEW
}