Error when instance type isn't available in region / AZ

[chrispicht]

╷
│ Error: no EC2 Spot Price History found matching criteria; try different search
│
│ with module.ec2_spot_price.data.aws_ec2_spot_price.this["ca-central-1d/r5a.xlarge"],
│ on .terraform.067342976165-ca-central-1/modules/ec2_spot_price/main.tf line 6, in data "aws_ec2_spot_price" "this":
│ 6: data "aws_ec2_spot_price" "this" {
│
╵

[cageyv]

this happens when there is no selected instance type in the selected region or az
hashicorp/terraform-provider-aws#17446

in provider version 4.0+ this behavior could be fixed
I saw a lot of work related to similar issues inside another data sources
https://github.com/hashicorp/terraform-provider-aws/blob/main/CHANGELOG.md#400-february-10-2022

the solution for now:

• pass only the first 3 AZ (1a,1b,1c) to the module and take the price based on them
• pass another type of instance that is close or often close in price, but greater, for example, r5.xlarge in that case