created network firewall data source

.changelog/25495.txt

@@ -0,0 +1,3 @@
+```release-note:new-data-source
+aws_networkfirewall_firewall
+```

internal/provider/provider.go

@@ -760,6 +760,7 @@ func New(_ context.Context) (*schema.Provider, error) {
 			"aws_neptune_engine_version":        neptune.DataSourceEngineVersion(),
 			"aws_neptune_orderable_db_instance": neptune.DataSourceOrderableDBInstance(),
 
+			"aws_networkfirewall_firewall":        networkfirewall.DataSourceFirewall(),
 			"aws_networkfirewall_firewall_policy": networkfirewall.DataSourceFirewallPolicy(),
 
 			"aws_networkmanager_connection":                   networkmanager.DataSourceConnection(),

internal/service/networkfirewall/firewall_data_source.go

@@ -0,0 +1,261 @@
+package networkfirewall
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"regexp"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/networkfirewall"
+	"github.com/hashicorp/aws-sdk-go-base/v2/awsv1shim/v2/tfawserr"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
+	"github.com/hashicorp/terraform-provider-aws/internal/conns"
+	tftags "github.com/hashicorp/terraform-provider-aws/internal/tags"
+	"github.com/hashicorp/terraform-provider-aws/internal/verify"
+)
+
+func DataSourceFirewall() *schema.Resource {
+	return &schema.Resource{
+		ReadContext: dataSourceFirewallResourceRead,
+		Schema: map[string]*schema.Schema{
+			"arn": {
+				Type:         schema.TypeString,
+				Optional:     true,
+				Computed:     true,
+				ValidateFunc: verify.ValidARN,
+				AtLeastOneOf: []string{"arn", "name"},
+			},
+			"delete_protection": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+			"description": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+			"encryption_configuration": {
+				Type:     schema.TypeSet,
+				Computed: true,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"key_id": {
+							Type:     schema.TypeString,
+							Computed: true,
+						},
+						"type": {
+							Type:     schema.TypeString,
+							Computed: true,
+						},
+					},
+				},
+			},
+			"firewall_policy_arn": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+			"firewall_policy_change_protection": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+			"firewall_status": {
+				Type:     schema.TypeList,
+				Computed: true,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"sync_states": {
+							Type:     schema.TypeSet,
+							Computed: true,
+							Elem: &schema.Resource{
+								Schema: map[string]*schema.Schema{
+									"availability_zone": {
+										Type:     schema.TypeString,
+										Computed: true,
+									},
+									"attachment": {
+										Type:     schema.TypeList,
+										Computed: true,
+										Elem: &schema.Resource{
+											Schema: map[string]*schema.Schema{
+												"endpoint_id": {
+													Type:     schema.TypeString,
+													Computed: true,
+												},
+												"subnet_id": {
+													Type:     schema.TypeString,
+													Computed: true,
+												},
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			"name": {
+				Type:         schema.TypeString,
+				Optional:     true,
+				Computed:     true,
+				AtLeastOneOf: []string{"arn", "name"},
+				ValidateFunc: validation.StringMatch(regexp.MustCompile(`^[a-zA-Z0-9-]{1,128}$`), "Must have 1-128 valid characters: a-z, A-Z, 0-9 and -(hyphen)"),
+			},
+			"subnet_change_protection": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+			"subnet_mapping": {
+				Type:     schema.TypeSet,
+				Computed: true,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"subnet_id": {
+							Type:     schema.TypeString,
+							Required: true,
+						},
+					},
+				},
+			},
+			"tags": tftags.TagsSchema(),
+			"update_token": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+			"vpc_id": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+		},
+	}
+}
+
+func dataSourceFirewallResourceRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	conn := meta.(*conns.AWSClient).NetworkFirewallConn
+	ignoreTagsConfig := meta.(*conns.AWSClient).IgnoreTagsConfig
+
+	input := &networkfirewall.DescribeFirewallInput{}
+
+	if v, ok := d.GetOk("arn"); ok {
+		input.FirewallArn = aws.String(v.(string))
+	}
+
+	if v, ok := d.GetOk("name"); ok {
+		input.FirewallName = aws.String(v.(string))
+	}
+
+	if input.FirewallArn == nil && input.FirewallName == nil {
+
+		return diag.FromErr(fmt.Errorf("must specify either arn, name, or both"))
+	}
+
+	output, err := conn.DescribeFirewallWithContext(ctx, input)
+	if !d.IsNewResource() && tfawserr.ErrCodeEquals(err, networkfirewall.ErrCodeResourceNotFoundException) {
+		log.Printf("[WARN] NetworkFirewall Firewall (%s) not found, removing from state", d.Id())
+		d.SetId("")
+		return nil
+	}
+
+	if err != nil {
+		return diag.Errorf("reading NetworkFirewall Firewall (%s): %s", d.Id(), err)
+	}
+
+	if output == nil || output.Firewall == nil {
+		return diag.Errorf("reading NetworkFirewall Firewall (%s): empty output", d.Id())
+	}
+
+	firewall := output.Firewall
+
+	d.Set("arn", firewall.FirewallArn)
+	d.Set("delete_protection", firewall.DeleteProtection)
+	d.Set("description", firewall.Description)
+	d.Set("name", firewall.FirewallName)
+	d.Set("encryption_configuration", flattenDataSourceEncryptionConfiguration(firewall.EncryptionConfiguration))
+	d.Set("firewall_policy_arn", firewall.FirewallPolicyArn)
+	d.Set("firewall_policy_change_protection", firewall.FirewallPolicyChangeProtection)
+	d.Set("firewall_status", flattenDataSourceFirewallStatus(output.FirewallStatus))
+	d.Set("subnet_change_protection", firewall.SubnetChangeProtection)
+	d.Set("update_token", output.UpdateToken)
+	d.Set("vpc_id", firewall.VpcId)
+
+	if err := d.Set("subnet_mapping", flattenDataSourceSubnetMappings(firewall.SubnetMappings)); err != nil {
+		return diag.Errorf("setting subnet_mappings: %s", err)
+	}
+
+	if err := d.Set("tags", KeyValueTags(firewall.Tags).IgnoreAWS().IgnoreConfig(ignoreTagsConfig).Map()); err != nil {
+		return diag.Errorf("setting tags: %s", err)
+	}
+
+	d.SetId(aws.StringValue(firewall.FirewallArn))
+
+	return nil
+}
+
+func flattenDataSourceFirewallStatus(status *networkfirewall.FirewallStatus) []interface{} {
+	if status == nil {
+		return nil
+	}
+
+	m := map[string]interface{}{
+		"sync_states": flattenDataSourceSyncStates(status.SyncStates),
+	}
+
+	return []interface{}{m}
+}
+
+func flattenDataSourceSyncStates(state map[string]*networkfirewall.SyncState) []interface{} {
+	if state == nil {
+		return nil
+	}
+
+	syncStates := make([]interface{}, 0, len(state))
+	for k, v := range state {
+		m := map[string]interface{}{
+			"availability_zone": k,
+			"attachment":        flattenDataSourceSyncStateAttachment(v.Attachment),
+		}
+		syncStates = append(syncStates, m)
+	}
+
+	return syncStates
+}
+
+func flattenDataSourceSyncStateAttachment(attach *networkfirewall.Attachment) []interface{} {
+	if attach == nil {
+		return nil
+	}
+
+	m := map[string]interface{}{
+		"endpoint_id": aws.StringValue(attach.EndpointId),
+		"subnet_id":   aws.StringValue(attach.SubnetId),
+	}
+
+	return []interface{}{m}
+}
+
+func flattenDataSourceSubnetMappings(subnet []*networkfirewall.SubnetMapping) []interface{} {
+	mappings := make([]interface{}, 0, len(subnet))
+	for _, s := range subnet {
+		m := map[string]interface{}{
+			"subnet_id": aws.StringValue(s.SubnetId),
+		}
+		mappings = append(mappings, m)
+	}
+
+	return mappings
+}
+
+func flattenDataSourceEncryptionConfiguration(encrypt *networkfirewall.EncryptionConfiguration) []interface{} {
+	if encrypt == nil {
+		return nil
+	}
+
+	m := map[string]interface{}{
+		"key_id": aws.StringValue(encrypt.KeyId),
+		"type":   aws.StringValue(encrypt.Type),
+	}
+
+	return []interface{}{m}
+}