feat: add health check and updated helm chart values

helm/values-dev.yaml

@@ -9,14 +9,14 @@ microservice-chart:
   # https://github.com/Azure/azure-functions-host/blob/dev/src/WebJobs.Script.WebHost/Controllers/HostController.cs
   livenessProbe:
     httpGet:
-      path: /info
+      path: /health
       port: 80
     initialDelaySeconds: 60
     failureThreshold: 6
     periodSeconds: 10
   readinessProbe:
     httpGet:
-      path: /info
+      path: /health
       port: 80
     initialDelaySeconds: 60
     failureThreshold: 6

helm/values-prod.yaml

@@ -9,14 +9,14 @@ microservice-chart:
   # https://github.com/Azure/azure-functions-host/blob/dev/src/WebJobs.Script.WebHost/Controllers/HostController.cs
   livenessProbe:
     httpGet:
-      path: /info
+      path: /health
       port: 80
     initialDelaySeconds: 60
     failureThreshold: 6
     periodSeconds: 10
   readinessProbe:
     httpGet:
-      path: /info
+      path: /health
       port: 80
     initialDelaySeconds: 60
     failureThreshold: 6

helm/values-uat.yaml

@@ -9,14 +9,14 @@ microservice-chart:
   # https://github.com/Azure/azure-functions-host/blob/dev/src/WebJobs.Script.WebHost/Controllers/HostController.cs
   livenessProbe:
     httpGet:
-      path: /info
+      path: /health
       port: 80
     initialDelaySeconds: 60
     failureThreshold: 6
     periodSeconds: 10
   readinessProbe:
     httpGet:
-      path: /info
+      path: /health
       port: 80
     initialDelaySeconds: 60
     failureThreshold: 6

src/main/java/it/gov/pagopa/receipt/pdf/generator/Health.java

@@ -0,0 +1,32 @@
+package it.gov.pagopa.receipt.pdf.generator;
+
+import com.microsoft.azure.functions.*;
+import com.microsoft.azure.functions.annotation.AuthorizationLevel;
+import com.microsoft.azure.functions.annotation.FunctionName;
+import com.microsoft.azure.functions.annotation.HttpTrigger;
+
+import java.util.Optional;
+
+
+/**
+ * Azure Functions with Azure Http trigger.
+ */
+public class Health {
+
+    /**
+     * This function will be invoked when a Http Trigger occurs
+     *
+     * @return response with HttpStatus.OK
+     */
+    @FunctionName("Health")
+    public HttpResponseMessage run (
+            @HttpTrigger(name = "HealthTrigger",
+                    methods = {HttpMethod.GET},
+                    route = "health",
+                    authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
+            final ExecutionContext context) {
+
+        return request.createResponseBuilder(HttpStatus.OK)
+                .build();
+    }
+}

src/test/java/it/gov/pagopa/receipt/pdf/generator/HealthTest.java

@@ -0,0 +1,49 @@
+package it.gov.pagopa.receipt.pdf.generator;
+
+import com.microsoft.azure.functions.ExecutionContext;
+import com.microsoft.azure.functions.HttpRequestMessage;
+import com.microsoft.azure.functions.HttpResponseMessage;
+import com.microsoft.azure.functions.HttpStatus;
+import it.gov.pagopa.receipt.pdf.generator.util.HttpResponseMessageMock;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.Spy;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.mockito.stubbing.Answer;
+
+import java.util.Optional;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.mock;
+
+@ExtendWith(MockitoExtension.class)
+class HealthTest {
+
+    @Mock
+    ExecutionContext executionContextMock;
+
+    @Spy
+    Health sut;
+
+    @Test
+    void runOK() {
+        @SuppressWarnings("unchecked")
+        HttpRequestMessage<Optional<String>> request = mock(HttpRequestMessage.class);
+
+        doAnswer((Answer<HttpResponseMessage.Builder>) invocation -> {
+            HttpStatus status = (HttpStatus) invocation.getArguments()[0];
+            return new HttpResponseMessageMock.HttpResponseMessageBuilderMock().status(status);
+        }).when(request).createResponseBuilder(any(HttpStatus.class));
+
+        // test execution
+        HttpResponseMessage response = sut.run(request, executionContextMock);
+
+        // test assertion
+        assertNotNull(response);
+        assertEquals(HttpStatus.OK, response.getStatus());
+    }
+}