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Added validation for firewall subnet name and forced new resource on change in subnet ID #3406

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merged 3 commits into from
May 10, 2019
Merged

Added validation for firewall subnet name and forced new resource on change in subnet ID #3406

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e1e2d21
Added validation for firewall subnet name and forced new resource on …
May 9, 2019
9cbcba1
Missed go fmt
May 9, 2019
6673a65
Updated validation method as suggested to use provider builtin func
May 10, 2019
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23 changes: 19 additions & 4 deletions azurerm/resource_arm_firewall.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,15 +2,14 @@ package azurerm

import (
"fmt"
"log"
"regexp"

"github.com/Azure/azure-sdk-for-go/services/network/mgmt/2018-12-01/network"
"github.com/hashicorp/terraform/helper/schema"
"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/azure"
"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/tf"
"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/validate"
"github.com/terraform-providers/terraform-provider-azurerm/azurerm/utils"
"log"
"regexp"
)

var azureFirewallResourceName = "azurerm_firewall"
Expand Down Expand Up @@ -51,7 +50,8 @@ func resourceArmFirewall() *schema.Resource {
"subnet_id": {
Type: schema.TypeString,
Required: true,
ValidateFunc: azure.ValidateResourceID,
ForceNew: true,
ValidateFunc: validateAzureFirewallSubnetName,
},
"internal_public_ip_address_id": {
Type: schema.TypeString,
Expand Down Expand Up @@ -379,3 +379,18 @@ func validateAzureFirewallName(v interface{}, k string) (warnings []string, erro

return warnings, errors
}

func validateAzureFirewallSubnetName(v interface{}, k string) (warnings []string, errors []error) {
parsed, err := parseAzureResourceID(v.(string))
if err != nil {
errors = append(errors, fmt.Errorf("Error parsing Azure Resource ID %q", v.(string)))
return warnings, errors
}
subnetName := parsed.Path["subnets"]
if subnetName != "AzureFirewallSubnet" {
errors = append(errors, fmt.Errorf("The name of the Subnet for %q must be exactly 'AzureFirewallSubnet' to be used for the Azure Firewall resource", k))

}

return warnings, errors
}