From 3cbb3f0ee857c5d57985778957d012a38012fe4a Mon Sep 17 00:00:00 2001
From: dongHyo <kdhyo98@gmail.com>
Date: Fri, 6 May 2022 13:34:12 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=ED=97=AC=EC=8A=A4=20=EC=83=81=ED=83=9C?=
 =?UTF-8?q?=20=EC=88=98=EB=8F=99=20=EB=B3=80=EA=B2=BD=20=EC=BB=A8=ED=8A=B8?=
 =?UTF-8?q?=EB=A1=A4=EB=9F=AC=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../global/health/L7checkController.java      | 44 +++++++++++++++++++
 .../global/health/ManualHealthIndicator.java  | 20 +++++++++
 .../global/health/MutableHealthIndicator.java | 10 +++++
 3 files changed, 74 insertions(+)
 create mode 100644 server/src/main/java/com/ticketing/server/global/health/L7checkController.java
 create mode 100644 server/src/main/java/com/ticketing/server/global/health/ManualHealthIndicator.java
 create mode 100644 server/src/main/java/com/ticketing/server/global/health/MutableHealthIndicator.java

diff --git a/server/src/main/java/com/ticketing/server/global/health/L7checkController.java b/server/src/main/java/com/ticketing/server/global/health/L7checkController.java
new file mode 100644
index 0000000..705b188
--- /dev/null
+++ b/server/src/main/java/com/ticketing/server/global/health/L7checkController.java
@@ -0,0 +1,44 @@
+package com.ticketing.server.global.health;
+
+import javax.servlet.http.HttpServletRequest;
+import lombok.RequiredArgsConstructor;
+import org.springframework.boot.actuate.health.Health;
+import org.springframework.boot.actuate.health.Status;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/l7check")
+@RequiredArgsConstructor
+public class L7checkController {
+
+	private final MutableHealthIndicator indicator;
+
+	@GetMapping
+	public ResponseEntity health() {
+		Health health = indicator.health();
+		boolean isUp = health.getStatus().equals(Status.UP);
+		return ResponseEntity
+			.status(isUp ? HttpStatus.OK : HttpStatus.SERVICE_UNAVAILABLE)
+			.build();
+	}
+
+	@DeleteMapping
+	@ResponseStatus(HttpStatus.NO_CONTENT)
+	public void down(HttpServletRequest request) {
+		indicator.setHealth(Health.down().build());
+	}
+
+	@PostMapping
+	@ResponseStatus(HttpStatus.CREATED)
+	public void up(HttpServletRequest request) {
+		indicator.setHealth(Health.up().build());
+	}
+
+}
diff --git a/server/src/main/java/com/ticketing/server/global/health/ManualHealthIndicator.java b/server/src/main/java/com/ticketing/server/global/health/ManualHealthIndicator.java
new file mode 100644
index 0000000..f56fb5a
--- /dev/null
+++ b/server/src/main/java/com/ticketing/server/global/health/ManualHealthIndicator.java
@@ -0,0 +1,20 @@
+package com.ticketing.server.global.health;
+
+import java.util.concurrent.atomic.AtomicReference;
+import org.springframework.boot.actuate.health.Health;
+
+public class ManualHealthIndicator implements MutableHealthIndicator {
+
+	private final AtomicReference<Health> healthRef = new AtomicReference<>(Health.up().build());
+
+	@Override
+	public void setHealth(Health health) {
+		healthRef.set(health);
+	}
+
+	@Override
+	public Health health() {
+		return healthRef.get();
+	}
+
+}
diff --git a/server/src/main/java/com/ticketing/server/global/health/MutableHealthIndicator.java b/server/src/main/java/com/ticketing/server/global/health/MutableHealthIndicator.java
new file mode 100644
index 0000000..dce53d9
--- /dev/null
+++ b/server/src/main/java/com/ticketing/server/global/health/MutableHealthIndicator.java
@@ -0,0 +1,10 @@
+package com.ticketing.server.global.health;
+
+import org.springframework.boot.actuate.health.Health;
+import org.springframework.boot.actuate.health.HealthIndicator;
+
+public interface MutableHealthIndicator extends HealthIndicator {
+
+	void setHealth(Health health);
+
+}