Terraform-provider-azurerm: [azurerm] SIGSEGV on elasticpool import

[Dehalion]

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Terraform (and AzureRM Provider) Version

Terraform v0.12.16
+ provider.azurerm v1.37.0

Affected Resource(s)

• azurerm_mssql_elasticpool

Terraform Configuration Files

# main.tf
provider "azurerm" {
    version         = "=1.37.0"
    tenant_id       = local.tenant_id
    subscription_id = local.dbs_subscription_id
}
module "sqlserverpool" {
    source = "./modules/dbs-elastic-pool"

    tenant_id       = local.tenant_id
    location        = local.location
    ressourcegroup  = module.sqlserver.resource_group_name
    servername      = module.sqlserver.dbs_name
    name            = "sqlserver"
    custom_tags     = merge(local.default_tags, {"environment": "qa"})
}
# modules/dbs-elastic-pool/main.tf
resource "azurerm_mssql_elasticpool" "ep" {
    location            = var.location
    resource_group_name = var.ressourcegroup
    server_name         = var.servername

    name                = "${local.project_name}-dbep"
    max_size_gb         = var.dbs_ep_max_size_gb

    sku {
        name     = var.dbs_ep_sku_name
        tier     = var.dbs_ep_tier
        capacity = var.dbs_ep_capacity
    }

    per_database_settings {
        min_capacity = 0
        max_capacity = local.max_capacity
    }
}

Debug Output

https://gist.github.com/Dehalion/744310ed8512e6607bd8bf5c2a780d46

Panic Output

https://gist.github.com/Dehalion/744310ed8512e6607bd8bf5c2a780d46

Expected Behavior

The elastic pool resource should be imported into the state.

Actual Behavior

Crash

Steps to Reproduce

1. terraform import module.sqlserverpool.azurerm_mssql_elasticpool.ep /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/sqlserver/providers/Microsoft.Sql/servers/sqlserver-dbs/elasticpools/sqlserver-dbep

Important Factoids

• Running azure in West Europe
• Similar/same crash happened with a colleague using PowerShell and azurerm=1.35.0

References

• Seems to be similar to #4169

[Dehalion]

Seems to happen here: https://github.com/terraform-providers/terraform-provider-azurerm/blob/30302a32b27c217fae049ec562fcd7a16d0c0cd6/azurerm/resource_arm_mssql_elasticpool.go#L309

[tombuildsstuff]

hey @Dehalion

Thanks for opening this issue.

I've opened #5017 which fixes the crash here - but this is ultimately caused by the Resource ID using the incorrect case here - in particular with the segment elasticpools which should be elasticPools. Due to the way the Azure API behaves we're forced to treat Resource ID's as case sensitive - and whilst this isn't the best UX here - in the future we're planning to add some validation to better explain this during both Import and referencing ID's between resources.

Would you be able to take a look and see if updating the casing for elasticpools to elasticPools works for you?

Thanks!

[tombuildsstuff]

hey @Dehalion

Thanks for opening this issue.

I've opened #5017 which fixes the crash here - but this is ultimately caused by the Resource ID using the incorrect case here - in particular with the segment elasticpools which should be elasticPools. Due to the way the Azure API behaves we're forced to treat Resource ID's as case sensitive - and whilst this isn't the best UX here - in the future we're planning to add some validation to better explain this during both Import and referencing ID's between resources.

Would you be able to take a look and see if updating the casing for elasticpools to elasticPools works for you?

Thanks!

[Dehalion]

👍 Yes, that works!
Thank you very much.

[hashibot[bot]]

This has been released in version 1.38.0 of the provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading. As an example:

provider "azurerm" {
    version = "~> 1.38.0"
}
# ... other configuration ...

[hashibot[bot]]

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