Authenticate with identityToken when present in auths

packages/testcontainers/src/container-runtime/auth/auths.test.ts

@@ -82,5 +82,37 @@ describe("Auths", () => {
       };
       expect(await locator.getAuthConfig("https://registry.example.com", containerRuntimeConfig)).toEqual(authConfig);
     });
+
+    it("should return credentials from identity token", async () => {
+      const containerRuntimeConfig: ContainerRuntimeConfig = {
+        auths: {
+          "https://registry.example.com": {
+            identitytoken: "token-value",
+          },
+        },
+      };
+      const authConfig: AuthConfig = {
+        identityToken: "token-value",
+        registryAddress: "https://registry.example.com",
+      };
+      expect(await locator.getAuthConfig("https://registry.example.com", containerRuntimeConfig)).toEqual(authConfig);
+    });
+
+    it("should use identity token when token and user and pass are provided", async () => {
+      const containerRuntimeConfig: ContainerRuntimeConfig = {
+        auths: {
+          "https://registry.example.com": {
+            identitytoken: "token-value",
+            username: "user",
+            password: "pass",
+          },
+        },
+      };
+      const authConfig: AuthConfig = {
+        identityToken: "token-value",
+        registryAddress: "https://registry.example.com",
+      };
+      expect(await locator.getAuthConfig("https://registry.example.com", containerRuntimeConfig)).toEqual(authConfig);
+    });
   });
 });

packages/testcontainers/src/container-runtime/auth/auths.ts

@@ -13,6 +13,13 @@ export class Auths implements RegistryAuthLocator {
       return undefined;
     }
 
+    if (auth.identitytoken) {
+      return {
+        registryAddress: registry,
+        identityToken: auth.identitytoken,
+      };
+    }
+
     const authConfig: Partial<UsernamePasswordAuthConfig> = { registryAddress: registry };
 
     if (auth.email) {

packages/testcontainers/src/container-runtime/auth/types.ts

@@ -9,6 +9,7 @@ export type Auth = {
   email?: string;
   username?: string;
   password?: string;
+  identitytoken?: string;
 };
 
 export type AuthConfig = UsernamePasswordAuthConfig | IdentityTokenAuthConfig;