feat: 슬랙 로그 알림 추가 (#11)

backend/pcloud-api/src/main/java/com/api/global/slack/SlackAppender.java

@@ -0,0 +1,54 @@
+package com.api.global.slack;
+
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.AppenderBase;
+import org.springframework.web.client.RestTemplate;
+
+import java.text.SimpleDateFormat;
+import java.util.List;
+import java.util.Map;
+
+public class SlackAppender extends AppenderBase<ILoggingEvent> {
+
+    private static final String WEBHOOK_URL = System.getenv("SLACK_WEBHOOK_URL");
+
+    @Override
+    protected void append(final ILoggingEvent eventObject) {
+        RestTemplate restTemplate = new RestTemplate();
+        Map<String, Object> body = createSlackErrorBody(eventObject);
+        restTemplate.postForEntity(WEBHOOK_URL, body, String.class);
+    }
+
+    private Map<String, Object> createSlackErrorBody(final ILoggingEvent eventObject) {
+        String message = createMessage(eventObject);
+        return Map.of("channel", "#에러-발생",
+                "fallback", "요청을 실패했어요 :cry:",
+                "color", "#2eb886",
+                "pretext", "에러가 발생했어요 확인해주세요 :cry:",
+                "author_name", "pop-cloud",
+                "text", message,
+                "fields",
+                List.of(
+                        Map.of(
+                                "title", "로그 레벨",
+                                "value", eventObject.getLevel().levelStr,
+                                "short", false
+                        ),
+                        "timestamp", eventObject.getTimeStamp()
+                )
+        );
+    }
+
+    private String createMessage(final ILoggingEvent eventObject) {
+        String baseMessage = "에러가 발생했습니다.\n";
+        String pattern = baseMessage + "```%s %s %s [%s] - %s```";
+        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
+        return String.format(pattern,
+                simpleDateFormat.format(eventObject.getTimeStamp()),
+                eventObject.getLevel(),
+                eventObject.getThreadName(),
+                eventObject.getLoggerName(),
+                eventObject.getFormattedMessage());
+    }
+}
+

backend/pcloud-api/src/main/resources/logback-spring.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<configuration scan="true" scanPeriod="60 seconds">
+    <include resource="org/springframework/boot/logging/logback/defaults.xml"/>
+    <property name="LOG_FILE" value="${LOG_FILE:-${LOG_PATH:-${LOG_TEMP:-${java.io.tmpdir:-/tmp}}}/spring.log}"/>
+    <include resource="org/springframework/boot/logging/logback/console-appender.xml"/>
+    <include resource="org/springframework/boot/logging/logback/file-appender.xml"/>
+
+    <root level="INFO">
+        <appender-ref ref="FILE"/>
+        <appender-ref ref="CONSOLE"/>
+    </root>
+
+    <appender name="SLACK_APPENDER" class="com.api.global.slack.SlackAppender">
+    </appender>
+
+    <appender name="ASYNC_SLACK_APPENDER" class="ch.qos.logback.classic.AsyncAppender">
+        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
+            <level>ERROR</level>
+        </filter>
+        <appender-ref ref="SLACK_APPENDER"/>
+    </appender>
+
+    <springProfile name="!local">
+        <logger name="com.api" level="DEBUG" additivity="true">
+            <appender-ref ref="ASYNC_SLACK_APPENDER"/>
+        </logger>
+    </springProfile>
+
+</configuration>

backend/pcloud-common/build.gradle

@@ -13,4 +13,7 @@ dependencies {
     implementation group: 'io.jsonwebtoken', name: 'jjwt-api', version: '0.11.2'
     runtimeOnly group: 'io.jsonwebtoken', name: 'jjwt-impl', version: '0.11.2'
     runtimeOnly group: 'io.jsonwebtoken', name: 'jjwt-jackson', version: '0.11.2'
+
+    // slack
+    implementation group: 'com.slack.api', name: 'slack-api-client', version: '1.40.3'
 }