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deploy.sh
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deploy.sh
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#!/bin/bash
# deploy.sh가 실행 중인지 확인
if [ -e /tmp/deploy.lock ]; then
echo "Deployment is in progress"
exit 1
fi
# deploy.sh가 실행 중이지 않다면 lock 파일 생성
touch /tmp/deploy.lock
# 스크립트가 종료될 때 lock 파일을 삭제하도록 설정
trap "rm -f /tmp/deploy.lock; exit" INT TERM EXIT
# Blue 를 기준으로 현재 떠있는 컨테이너를 체크한다.
EXIST_BLUE=$(sudo docker compose -p compose-blue -f compose-blue.yml ps | grep Up)
# 현재 컨테이너를 커밋하여 이전 버전으로 저장
if [ -z "$EXIST_BLUE" ]; then
echo "Committing current green container to rollback image"
sudo docker commit $(sudo docker compose -p compose-green -f compose-green.yml ps -q) ${DOCKER_USERNAME}/kwak-doo-chul:rollback
else
echo "Committing current blue container to rollback image"
sudo docker commit $(sudo docker compose -p compose-blue -f compose-blue.yml ps -q) ${DOCKER_USERNAME}/kwak-doo-chul:rollback
fi
# 컨테이너 스위칭
if [ -z "$EXIST_BLUE" ]; then
echo "blue up"
sudo docker compose -p compose-blue -f compose-blue.yml pull
sudo docker compose -p compose-blue -f compose-blue.yml up -d
BEFORE_COMPOSE_COLOR="green"
AFTER_COMPOSE_COLOR="blue"
else
echo "green up"
sudo docker compose -p compose-green -f compose-green.yml pull
sudo docker compose -p compose-green -f compose-green.yml up -d
BEFORE_COMPOSE_COLOR="blue"
AFTER_COMPOSE_COLOR="green"
fi
sleep 10
INFRA_PROFILE=$1
# 도커 네트워크 이름
NETWORK_NAME="kwakdoochul-network"
# 도커 네트워크가 존재하는지 확인
sudo docker network inspect $NETWORK_NAME >/dev/null 2>&1
if [ $? -eq 0 ]; then
echo "Network '$NETWORK_NAME' already exists, nothing to do here..."
else
echo "Network '$NETWORK_NAME' does not exist, creating..."
sudo docker network create $NETWORK_NAME
if [ $? -eq 0 ]; then
echo "Network '$NETWORK_NAME' created successfully!"
else
echo "Failed to create network '$NETWORK_NAME'"
exit 1
fi
fi
export AFTER_COMPOSE_COLOR
# 새로운 컨테이너가 제대로 떴는지 확인
EXIST_AFTER=$(sudo docker compose -p compose-${AFTER_COMPOSE_COLOR} -f compose-${AFTER_COMPOSE_COLOR}.yml ps | grep Up)
if [ -n "$EXIST_AFTER" ]; then
# nginx.config를 컨테이너에 맞게 변경해주고 reload 한다
envsubst '${AFTER_COMPOSE_COLOR}' < conf/nginx.template > conf/nginx.conf
sudo docker compose -f compose-nginx.yml exec nginx nginx -s reload
# 이전 컨테이너 종료
sudo docker compose -p compose-${BEFORE_COMPOSE_COLOR} -f compose-${BEFORE_COMPOSE_COLOR}.yml down
echo "$BEFORE_COMPOSE_COLOR down"
# lock 파일 삭제
rm -f /tmp/deploy.lock
else
echo "deploy fail"
rm -f /tmp/deploy.lock
exit 1
fi