Fix release workflow for Go type without plugins

.nextmv/golden/knapsack-ampl/inputs/input.json.golden

@@ -57,6 +57,9 @@
       "value": 444
     },
     "run": {
+      "custom": {
+        "license_used": "demo"
+      },
       "duration": 0.123
     },
     "schema": "v1"

.nextmv/golden/knapsack-ampl/main_test.go

@@ -13,7 +13,6 @@ func TestMain(m *testing.M) {
 }
 
 func TestGolden(t *testing.T) {
-	t.Skip("skipping until we have a fix for ample license on x64")
 	golden.FileTests(
 		t,
 		"inputs",

.nextmv/update_apps.py

@@ -232,8 +232,8 @@ def update_app(name: str, version: str):
     with open(os.path.join(os.getcwd(), "..", name, "VERSION"), "w") as f:
         f.write(version + "\n")
 
-    if workflow_info["type"] == "go":
-        sdk_version = workflow_info["sdk_version"]
+    sdk_version = workflow_info.get("sdk_version") or None
+    if workflow_info["type"] == "go" and sdk_version is not None:
         if sdk_version != "latest" and "v" not in sdk_version:
             sdk_version = f"v{sdk_version}"
 

.nextmv/workflow-configuration.yml

@@ -41,7 +41,6 @@ apps:
     description: Solve a knapsack problem using Pyomo.
   - name: nextroute
     type: go
-    sdk_version: latest
     app_id: nextroute
     marketplace_app_id: nextroute
     description: Solve a vehicle routing problem using Nextmv’s Nextroute.

knapsack-ampl/README.md

@@ -24,10 +24,11 @@ The most important files created are `main.py`, `input.json`, and
   * If you have an AMPL license, remove the `.template` extension and replace
     the contents with your actual license key to be left with a file named
     `ampl_license_uuid`. Modify the `app.yaml` file to include the
-    `ampl_license_uuid` in the files list.
+    `ampl_license_uuid` in the files list. Note: when running on Nextmv Cloud,
+    you should use a premium execution class to use your own AMPL license.
   * If you are just testing and don’t have an AMPL license, you don’t need to
-    do anything, as this community app ships with a special license that allows
-    you to test AMPL with limits per AMPL's website.
+    do anything, as this community app ships with logic that allows you to test
+    AMPL with limits per AMPL’s website.
 
 Follow these steps to run locally.
 

knapsack-ampl/main.py

@@ -4,8 +4,10 @@
 
 import argparse
 import json
+import os
 import sys
 import time
+from platform import uname
 from typing import Any
 
 from amplpy import AMPL, ErrorHandler, OutputHandler, modules
@@ -99,14 +101,7 @@ def solve(input_data: dict[str, Any], duration: int, provider: str) -> dict[str,
     start_time = time.time()
 
     # Activate license.
-    modules.activate("nextmv")
-
-    # If you have an AMPL license, uncomment the following block.
-    # try:
-    #     license = read_license_uuid()
-    #     modules.activate(license)
-    # except Exception:
-    #     log("Using default AMPL license for Nextmv")
+    license_used = activate_license()
 
     # Defines the model.
     ampl = AMPL()
@@ -179,6 +174,9 @@ def solve(input_data: dict[str, Any], duration: int, provider: str) -> dict[str,
         },
         "run": {
             "duration": time.time() - start_time,
+            "custom": {
+                "license_used": license_used,
+            },
         },
         "schema": "v1",
     }
@@ -189,6 +187,40 @@ def solve(input_data: dict[str, Any], duration: int, provider: str) -> dict[str,
     }
 
 
+def activate_license() -> str:
+    """
+    Activates de AMPL license based on the use case for the app. If there is a
+    license configured in the file, and it is different from the template
+    message, it activates the license. Otherwise, use a special module if
+    running on Nextmv Cloud. No further action required for testing locally.
+
+    Returns:
+        str: The license that was activated: "license", "nextmv" or
+        "not_activated".
+    """
+
+    # Check if the ampl_license_uuid file exists. NOTE: When running in Nextmv
+    # Cloud with a valid license, make sure to run on a premium execution
+    # class. Contact support for more information.
+    if os.path.isfile("ampl_license_uuid"):
+        with open("ampl_license_uuid") as file:
+            license = file.read().strip()
+
+        # If the license is not the template message, activate it.
+        if license != "secret-key-123":
+            modules.activate(license)
+            return "license"
+
+    # A valid AMPL license has not been configured. When running on Nextmv
+    # Cloud, use a special module.
+    system_info = uname()
+    if system_info.system == "Linux" and "aarch64" in system_info.machine:
+        modules.activate("nextmv")
+        return "nextmv"
+
+    return "demo"
+
+
 def log(message: str) -> None:
     """Logs a message. We need to use stderr since stdout is used for the
     solution."""
@@ -220,12 +252,5 @@ def write_output(output_path, output) -> None:
         print(content)
 
 
-def read_license_uuid() -> str:
-    """Reads the license needed to authenticate."""
-
-    with open("ampl_license_uuid") as file:
-        return file.read().strip()
-
-
 if __name__ == "__main__":
     main()