[minor] Discover Opaque TLS secrets for ingress on ROSA HCP

[faangbait]

In ROSA with HCP, valid certificates are stored as type Opaque. This patch searches all secrets in the openshift-ingress namespace for pattern matching. See #1367

[faangbait]

terraform {
  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = ">= 5.0"
    }
    rhcs = {
      source  = "terraform-redhat/rhcs"
      version = ">= 1.6.2"
    }
  }
}
# ROSA Cluster
provider "rhcs" {
  token = var.rhcs_token
  url   = var.rhcs_url
}

# Start template expanded section
module "hcp" {
  source  = "terraform-redhat/rosa-hcp/rhcs"
  version = "1.6.2"

  cluster_name           = each.key
  openshift_version      = "4.14.24"
  machine_cidr           = module.vpc[each.key].cidr_block
  aws_subnet_ids         = concat(module.vpc[each.key].public_subnets, module.vpc[each.key].private_subnets)
  aws_availability_zones = module.vpc[each.key].availability_zones
  replicas               = length(module.vpc[each.key].availability_zones)

  aws_billing_account_id = ###########
  compute_machine_type   = "m7i.4xlarge"

  // Billing tags
  tags = {
    x-client-name = each.key
  }

  // STS configuration
  create_account_roles  = true
  create_oidc           = true
  create_operator_roles = true

  account_role_prefix  = each.key
  operator_role_prefix = each.key

  // Automation control
  wait_for_create_complete            = true
  wait_for_std_compute_nodes_complete = true
  depends_on                          = [module.vpc]
  for_each                            = toset(var.clusters)
}

module "vpc" {
  source                   = "terraform-redhat/rosa-hcp/rhcs//modules/vpc"
  name_prefix              = each.key
  availability_zones_count = 2
  for_each                 = toset(var.clusters)
}

[whitfiea]

Confirmed that HCP ROSA uses Opaque secrets for the tls cert secret: