feat: Support to docker config labels

docs/resources/config.md

@@ -95,10 +95,22 @@ resource "docker_service" "service" {
 - `data` (String) Base64-url-safe-encoded config data
 - `name` (String) User-defined name of the config
 
+### Optional
+
+- `labels` (Block Set) User-defined key/value metadata (see [below for nested schema](#nestedblock--labels))
+
 ### Read-Only
 
 - `id` (String) The ID of this resource.
 
+<a id="nestedblock--labels"></a>
+### Nested Schema for `labels`
+
+Required:
+
+- `label` (String) Name of the label
+- `value` (String) Value of the label
+
 ## Import
 
 Import is supported using the following syntax by providing the `id`:
@@ -133,4 +145,4 @@ then the import command is as follows
 ```shell
 #!/bin/bash
 terraform import docker_config.foo 08c26c477474478d971139f750984775a7f019dbe8a2e7f09d66a187c009e66d
-```
+```

internal/provider/resource_docker_config.go

@@ -37,6 +37,14 @@ func resourceDockerConfig() *schema.Resource {
 				ForceNew:         true,
 				ValidateDiagFunc: validateStringIsBase64Encoded(),
 			},
+
+			"labels": {
+				Type:        schema.TypeSet,
+				Description: "User-defined key/value metadata",
+				Optional:    true,
+				ForceNew:    true,
+				Elem:        labelSchema,
+			},
 		},
 	}
 }
@@ -52,6 +60,10 @@ func resourceDockerConfigCreate(ctx context.Context, d *schema.ResourceData, met
 		Data: data,
 	}
 
+	if v, ok := d.GetOk("labels"); ok {
+		configSpec.Annotations.Labels = labelSetToMap(v.(*schema.Set))
+	}
+
 	config, err := client.ConfigCreate(ctx, configSpec)
 	if err != nil {
 		return diag.FromErr(err)
@@ -76,6 +88,7 @@ func resourceDockerConfigRead(ctx context.Context, d *schema.ResourceData, meta
 	d.SetId(config.ID)
 	d.Set("name", config.Spec.Name)
 	d.Set("data", base64.StdEncoding.EncodeToString(config.Spec.Data))
+	d.Set("labels", mapToLabelSet(config.Spec.Labels))
 	return nil
 }
 

internal/provider/resource_docker_config_test.go

@@ -157,3 +157,38 @@ func testAccServiceConfigCreated(resourceName string, config *swarm.Config) reso
 
 	}
 }
+
+func TestAccDockerConfig_labels(t *testing.T) {
+	ctx := context.Background()
+	resource.Test(t, resource.TestCase{
+		PreCheck:          func() { testAccPreCheck(t) },
+		ProviderFactories: providerFactories,
+		CheckDestroy: func(state *terraform.State) error {
+			return testCheckDockerSecretDestroy(ctx, state)
+		},
+		Steps: []resource.TestStep{
+			{
+				Config: `
+				resource "docker_config" "foo" {
+					name = "foo-config"
+					data = "Ymxhc2RzYmxhYmxhMTI0ZHNkd2VzZA=="
+					labels {
+						label = "test1"
+						value = "foo"
+					}
+					labels {
+						label = "test2"
+						value = "bar"
+					}
+				}
+				`,
+				Check: testCheckLabelMap("docker_config.foo", "labels",
+					map[string]string{
+						"test1": "foo",
+						"test2": "bar",
+					},
+				),
+			},
+		},
+	})
+}