feat: Add icon to coder_metadata resource (#48)

internal/provider/provider.go

@@ -406,6 +406,21 @@ func New() *schema.Provider {
 						ForceNew:    true,
 						Optional:    true,
 					},
+					"icon": {
+						Type: schema.TypeString,
+						Description: "A URL to an icon that will display in the dashboard. View built-in " +
+							"icons here: https://github.com/coder/coder/tree/main/site/static/icon. Use a " +
+							"built-in icon with `data.coder_workspace.me.access_url + \"/icons/<path>\"`.",
+						ForceNew: true,
+						Optional: true,
+						ValidateFunc: func(i interface{}, s string) ([]string, []error) {
+							_, err := url.Parse(s)
+							if err != nil {
+								return nil, []error{err}
+							}
+							return nil, nil
+						},
+					},
 					"item": {
 						Type:        schema.TypeList,
 						Description: "Each \"item\" block defines a single metadata item consisting of a key/value pair.",

internal/provider/provider_test.go

@@ -264,6 +264,7 @@ func TestMetadata(t *testing.T) {
 				resource "coder_metadata" "agent" {
 					resource_id = coder_agent.dev.id
 					hide = true
+					icon = "/icons/storage.svg"
 					item {
 						key = "foo"
 						value = "bar"
@@ -297,6 +298,7 @@ func TestMetadata(t *testing.T) {
 				for key, expected := range map[string]string{
 					"resource_id":      agent.Primary.Attributes["id"],
 					"hide":             "true",
+					"icon":             "/icons/storage.svg",
 					"item.#":           "5",
 					"item.0.key":       "foo",
 					"item.0.value":     "bar",