fix

Signed-off-by: Abhishek Kumar <abhishek22512@gmail.com>

Author: octonawish-akcodes

config/systems.json

@@ -259,7 +259,8 @@
       },
       "nodejs": {
         "base_images": {
-          "latest": "node:latest"
+          "20": "node:20",
+          "18": "node:18"
         },
         "images": [
           "build",

sebs/knative/knative.py

@@ -174,32 +174,39 @@ def create_function(self, code_package: Benchmark, func_name: str) -> "KnativeFu
             raise RuntimeError("Failed to access func binary")
 
 
-    def cached_function(self, function: Function):
-        # Implementation of retrieving cached function details for Knative
-        pass
-
     def update_function(self, function: Function, code_package: Benchmark):
-        # Implementation of function update for Knative
-        # might involve updating the Knative service with a new Docker image
-        pass
+        self.logging.info(f"Updating an existing Knative function {function.name}.")
+        function = cast(KnativeFunction, function)
+        docker_image = self.system_config.benchmark_image_name(
+            self.name(),
+            code_package.benchmark,
+            code_package.language_name,
+            code_package.language_version,
+        )
 
-    def update_function_configuration(self, cached_function: Function, benchmark: Benchmark):
-        # Implementation of updating function configuration for Knative
-        pass
-
-    def default_function_name(self, code_package: Benchmark) -> str:
-        # Implementation of default function naming for Knative
-        return f"{code_package.name}-{code_package.language_name}-{code_package.language_version}"
+        try:
+            subprocess.run(
+                [
+                    "func", "deploy",
+                    "--path", code_package.code_location,
+                    "--image", docker_image,
+                    "--name", function.name,
+                ],
+                stderr=subprocess.PIPE,
+                stdout=subprocess.PIPE,
+                check=True,
+            )
+            function.config.docker_image = docker_image
 
-    def enforce_cold_start(self, functions: List[Function], code_package: Benchmark):
-        # Implementation of cold start enforcement for Knative
-        # I am assuiming this might involve deleting and redeploying the service to force a cold start
-        pass
+        except FileNotFoundError as e:
+            self.logging.error("Could not update Knative function - is the 'func' CLI installed and configured correctly?")
+            raise RuntimeError(e)
+        except subprocess.CalledProcessError as e:
+            self.logging.error(f"Unknown error when running function update: {e}!")
+            self.logging.error("Ensure the SeBS cache is cleared if there are issues with Knative!")
+            self.logging.error(f"Output: {e.stderr.decode('utf-8')}")
+            raise RuntimeError(e)
 
-    def download_metrics(self, function_name: str, start_time: int, end_time: int, requests: Dict[str, ExecutionResult], metrics: dict):
-        # Implementation of metric downloading for Knative
-        # Here I can review the knative inbuilt metric tool (flag) need to check
-        pass
 
     def create_trigger(self, function: Function, trigger_type: Trigger.TriggerType) -> Trigger:
         if trigger_type == Trigger.TriggerType.LIBRARY:
@@ -227,9 +234,6 @@ def create_trigger(self, function: Function, trigger_type: Trigger.TriggerType)
         else:
             raise RuntimeError("Not supported!")
 
-    def shutdown(self) -> None:
-        # Clean up any resources or connections
-        pass
 
     @staticmethod
     def name() -> str: