azurerm_postgres_server - fix #2819, #5121, #5865, #6180, #6216 (#6459)

refactor code and tests to

support for create_mode, creation_source_server_id, infrastructure_encryption_enabled,public_network_access_enabled, ssl_minimal_tls_version_enforced properties
support replicas
computed storage_mb when auto_grow_enabled is true
use booleans for toggle properties by renaming:
-- ssl_enforcement -> ssl_enforcement_enabled
-- geo_redundant_backup -> backup_geo_redundant_enabled
-- auto_grow -> auto_grow_enabled
move all properties within the storage_profile block to the top level
superseeds #6241
fixes #6216
fixes #6180
fixes #5865
fixes #5121
fixed #2819

azurerm/helpers/validate/database.go

@@ -21,20 +21,3 @@ func MariaDatabaseCollation(i interface{}, k string) (warnings []string, errors
 
 	return warnings, errors
 }
-
-func PostgresDatabaseCollation(i interface{}, k string) (warnings []string, errors []error) {
-	v, ok := i.(string)
-	if !ok {
-		errors = append(errors, fmt.Errorf("expected type of %s to be string", k))
-		return
-	}
-
-	matched, _ := regexp.MatchString(`^[-A-Za-z0-9_. ]+$`, v)
-
-	if !matched {
-		errors = append(errors, fmt.Errorf("%s contains invalid characters, only alphanumeric, underscore, space or hyphen characters are supported, got %s", k, v))
-		return
-	}
-
-	return warnings, errors
-}

azurerm/internal/services/postgres/parse/postgres.go

@@ -0,0 +1,33 @@
+package parse
+
+import (
+	"fmt"
+
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/azure"
+)
+
+type PostgresServerServerId struct {
+	ResourceGroup string
+	Name          string
+}
+
+func PostgresServerServerID(input string) (*PostgresServerServerId, error) {
+	id, err := azure.ParseAzureResourceID(input)
+	if err != nil {
+		return nil, fmt.Errorf("[ERROR] Unable to parse Postgres Server ID %q: %+v", input, err)
+	}
+
+	server := PostgresServerServerId{
+		ResourceGroup: id.ResourceGroup,
+	}
+
+	if server.Name, err = id.PopSegment("servers"); err != nil {
+		return nil, err
+	}
+
+	if err := id.ValidateNoEmptySegments(input); err != nil {
+		return nil, err
+	}
+
+	return &server, nil
+}

azurerm/internal/services/postgres/parse/postgres_test.go

@@ -0,0 +1,73 @@
+package parse
+
+import (
+	"testing"
+)
+
+func TestAnalysisServicesServerId(t *testing.T) {
+	testData := []struct {
+		Name     string
+		Input    string
+		Expected *PostgresServerServerId
+	}{
+		{
+			Name:     "Empty",
+			Input:    "",
+			Expected: nil,
+		},
+		{
+			Name:     "No Resource Groups Segment",
+			Input:    "/subscriptions/00000000-0000-0000-0000-000000000000",
+			Expected: nil,
+		},
+		{
+			Name:     "No Resource Groups Value",
+			Input:    "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/",
+			Expected: nil,
+		},
+		{
+			Name:     "Resource Group ID",
+			Input:    "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/foo/",
+			Expected: nil,
+		},
+		{
+			Name:     "Missing Servers Value",
+			Input:    "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/resGroup1/providers/Microsoft.Web/servers/",
+			Expected: nil,
+		},
+		{
+			Name:  "Postgres Server ID",
+			Input: "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/resGroup1/providers/Microsoft.DBforPostgreSQL/servers/Server1",
+			Expected: &PostgresServerServerId{
+				Name:          "Server1",
+				ResourceGroup: "resGroup1",
+			},
+		},
+		{
+			Name:     "Wrong Casing",
+			Input:    "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/resGroup1/providers/Microsoft.DBforPostgreSQL/Servers/",
+			Expected: nil,
+		},
+	}
+
+	for _, v := range testData {
+		t.Logf("[DEBUG] Testing %q", v.Name)
+
+		actual, err := PostgresServerServerID(v.Input)
+		if err != nil {
+			if v.Expected == nil {
+				continue
+			}
+
+			t.Fatalf("Expected a value but got an error: %s", err)
+		}
+
+		if actual.Name != v.Expected.Name {
+			t.Fatalf("Expected %q but got %q for Name", v.Expected.Name, actual.Name)
+		}
+
+		if actual.ResourceGroup != v.Expected.ResourceGroup {
+			t.Fatalf("Expected %q but got %q for Resource Group", v.Expected.ResourceGroup, actual.ResourceGroup)
+		}
+	}
+}

azurerm/internal/services/postgres/resource_arm_postgresql_configuration.go

@@ -10,6 +10,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/azure"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/clients"
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/services/postgres/validate"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/timeouts"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/utils"
 )
@@ -43,7 +44,7 @@ func resourceArmPostgreSQLConfiguration() *schema.Resource {
 				Type:         schema.TypeString,
 				Required:     true,
 				ForceNew:     true,
-				ValidateFunc: ValidatePSQLServerName,
+				ValidateFunc: validate.PostgresServerServerName,
 			},
 
 			"value": {

azurerm/internal/services/postgres/resource_arm_postgresql_database.go

@@ -11,9 +11,9 @@ import (
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/azure"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/suppress"
 	"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/internal/clients"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/features"
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/services/postgres/validate"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/timeouts"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/utils"
 )
@@ -47,7 +47,7 @@ func resourceArmPostgreSQLDatabase() *schema.Resource {
 				Type:         schema.TypeString,
 				Required:     true,
 				ForceNew:     true,
-				ValidateFunc: ValidatePSQLServerName,
+				ValidateFunc: validate.PostgresServerServerName,
 			},
 
 			"charset": {

azurerm/internal/services/postgres/resource_arm_postgresql_firewall_rule.go

@@ -12,6 +12,7 @@ import (
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/tf"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/clients"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/features"
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/services/postgres/validate"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/timeouts"
 	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/utils"
 )
@@ -45,7 +46,7 @@ func resourceArmPostgreSQLFirewallRule() *schema.Resource {
 				Type:         schema.TypeString,
 				Required:     true,
 				ForceNew:     true,
-				ValidateFunc: ValidatePSQLServerName,
+				ValidateFunc: validate.PostgresServerServerName,
 			},
 
 			"start_ip_address": {