From 10adcded2947b539a344f3db62f29ce2e8cff440 Mon Sep 17 00:00:00 2001
From: dldmsql <yhy5913@gmail.com>
Date: Mon, 6 Nov 2023 21:16:55 +0900
Subject: [PATCH] =?UTF-8?q?chore:=20=ED=8C=8C=EC=9D=BC=20=ED=8A=B8?=
 =?UTF-8?q?=EB=9E=99=ED=82=B9=20=EC=A0=9C=EC=99=B8?=
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---
 .gitignore              |  2 --
 scripts/health-check.sh | 33 +++++++++++++++++++++++++++++++++
 scripts/run_new_was.sh  | 25 +++++++++++++++++++++++++
 scripts/switch.sh       | 28 ++++++++++++++++++++++++++++
 4 files changed, 86 insertions(+), 2 deletions(-)
 create mode 100644 scripts/health-check.sh
 create mode 100644 scripts/run_new_was.sh
 create mode 100644 scripts/switch.sh

diff --git a/.gitignore b/.gitignore
index 17d7f141..c3724bfc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,5 +40,3 @@ out/
 src/main/resources/application-secret.yml
 src/test/resources/application-test.yml
 src/main/resources/logback-spring.xml
-
-/scripts
\ No newline at end of file
diff --git a/scripts/health-check.sh b/scripts/health-check.sh
new file mode 100644
index 00000000..55863484
--- /dev/null
+++ b/scripts/health-check.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# Crawl current connected port of WAS
+CURRENT_PORT=$(cat /home/ubuntu/service_url.inc | grep -Po '[0-9]+' | tail -1)
+TARGET_PORT=0
+
+# Toggle port Number
+if [ ${CURRENT_PORT} -eq 8081 ]; then
+    TARGET_PORT=8082
+elif [ ${CURRENT_PORT} -eq 8082 ]; then
+    TARGET_PORT=8081
+else
+    echo "> No WAS is connected to nginx"
+    exit 1
+fi
+
+
+echo "> Start health check of WAS at 'http://13.209.202.74:${TARGET_PORT}' ..."
+
+for RETRY_COUNT in 1 2 3 4 5 6 7 8 9 10
+do
+    echo "> #${RETRY_COUNT} trying..."
+    RESPONSE_CODE=$(curl -s -o /dev/null -w "%{http_code}"  http://13.209.202.74:${TARGET_PORT}/api)
+
+    if [ ${RESPONSE_CODE} -eq 200 ]; then
+        echo "> New WAS successfully running"
+        exit 0
+    elif [ ${RETRY_COUNT} -eq 10 ]; then
+        echo "> Health check failed."
+        exit 1
+    fi
+    sleep 10
+done
\ No newline at end of file
diff --git a/scripts/run_new_was.sh b/scripts/run_new_was.sh
new file mode 100644
index 00000000..9f9b3b48
--- /dev/null
+++ b/scripts/run_new_was.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+CURRENT_PORT=$(cat /home/ubuntu/service_url.inc | grep -Po '[0-9]+' | tail -1)
+TARGET_PORT=0
+
+echo "> Current port of running WAS is ${CURRENT_PORT}."
+
+if [ ${CURRENT_PORT} -eq 8081 ]; then
+  TARGET_PORT=8082
+elif [ ${CURRENT_PORT} -eq 8082 ]; then
+  TARGET_PORT=8081
+else
+  echo "> No WAS is connected to nginx"
+fi
+
+TARGET_PID=$(lsof -Fp -i TCP:${TARGET_PORT} | grep -Po 'p[0-9]+' | grep -Po '[0-9]+')
+
+if [ ! -z ${TARGET_PID} ]; then
+  echo "> Kill WAS running at ${TARGET_PORT}."
+  sudo kill ${TARGET_PID}
+fi
+
+nohup java -jar -Dserver.port=${TARGET_PORT} /home/ubuntu/duaily-server/build/libs/* > /home/ubuntu/nohup.out 2>&1 --spring.profiles.active=prod &
+echo "> Now new WAS runs at ${TARGET_PORT}."
+exit 0
\ No newline at end of file
diff --git a/scripts/switch.sh b/scripts/switch.sh
new file mode 100644
index 00000000..5f255e3e
--- /dev/null
+++ b/scripts/switch.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# Crawl current connected port of WAS
+CURRENT_PORT=$(cat /home/ubuntu/service_url.inc  | grep -Po '[0-9]+' | tail -1)
+TARGET_PORT=0
+
+echo "> Nginx currently proxies to ${CURRENT_PORT}."
+
+# Toggle port number
+if [ ${CURRENT_PORT} -eq 8081 ]; then
+    TARGET_PORT=8082
+elif [ ${CURRENT_PORT} -eq 8082 ]; then
+    TARGET_PORT=8081
+else
+    echo "> No WAS is connected to nginx"
+    exit 1
+fi
+
+# Change proxying port into target port
+echo "set \$service_url http://13.209.202.74:${TARGET_PORT};" | tee /home/ubuntu/service_url.inc
+echo "set \$service_admin_url http://13.209.202.74:${TARGET_PORT}/admin;" | tee /home/ubuntu/service_admin_url.inc
+
+echo "> Now Nginx proxies to ${TARGET_PORT}."
+
+# Reload nginx
+sudo service nginx reload
+
+echo "> Nginx reloaded."
\ No newline at end of file