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# bin/pack_for_remote.sh
# 服务器的user和ip
user=mangosteen
ip=121.41.82.157

time=$(date +'%Y%m%d-%H%M%S')
cache_dir=tmp/deploy_cache
dist=$cache_dir/mangosteen-$time.tar.gz
current_dir=$(dirname $0)
deploy_dir=/home/$user/deploys/$time
gemfile=$current_dir/../Gemfile
gemfile_lock=$current_dir/../Gemfile.lock
vendor_dir=$current_dir/../vendor
vendor_1=rspec_api_documentation
api_dir=$current_dir/../doc/api

function title {
  echo 
  echo "###############################################################################"
  echo "## $1"
  echo "###############################################################################" 
  echo 
}
mkdir -p $cache_dir
title '打包源代码为压缩文件'
tar --exclude="tmp/cache/*" --exclude="tmp/deploy_cache/*" -cz -f $dist *
title "打包本地依赖 ${vendor_1}"
bundle cache --quiet
tar -cz -f "$vendor_dir/cache.tar.gz" -C ./vendor cache
tar -cz -f "$vendor_dir/$vendor_1.tar.gz" -C ./vendor $vendor_1
title '创建远程目录'
# 创建deploy_dir以及vendor目录
ssh $user@$ip "mkdir -p $deploy_dir/vendor"
title '上传源代码及依赖'
# scp = ssh copy
scp $dist $user@$ip:$deploy_dir/
yes | rm $dist
scp $gemfile $user@$ip:$deploy_dir/
scp $gemfile_lock $user@$ip:$deploy_dir/
# 将cache也上传到部署目录下 -r表示整个路径下的内容
scp -r $vendor_dir/cache.tar.gz $user@$ip:$deploy_dir/vendor/
yes | rm $vendor_dir/cache.tar.gz
scp -r $vendor_dir/$vendor_1.tar.gz $user@$ip:$deploy_dir/vendor/
yes | rm $vendor_dir/$vendor_1.tar.gz
title '上传 Dockerfile'
scp $current_dir/../config/host.Dockerfile $user@$ip:$deploy_dir/Dockerfile
title '上传 setup 脚本'
scp $current_dir/setup_remote.sh $user@$ip:$deploy_dir/
title '上传 API 文档'
scp -r $api_dir $user@$ip:$deploy_dir/
title '上传版本号'
ssh $user@$ip "echo $time > $deploy_dir/version"
title '执行远程脚本'
ssh $user@$ip "export version=$time; /bin/bash $deploy_dir/setup_remote.sh"

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# bin/setup_remote.sh
user=mangosteen
root=/home/$user/deploys/$version
container_name=mangosteen-prod-1
nginx_container_name=mangosteen-nginx-1
db_container_name=db-for-mangosteen

function set_env {
  name=$1
  hint=$2
  [[ ! -z "${!name}" ]] && return
  while [ -z "${!name}" ]; do
    [[ ! -z "$hint" ]] && echo "> 请输入 $name: $hint" || echo "> 请输入 $name:"
    read $name
  done
  sed -i "1s/^/export $name=${!name}\n/" ~/.bashrc
  echo "${name} 已保存至 ~/.bashrc"
}
function title {
  echo 
  echo "###############################################################################"
  echo "## $1"
  echo "###############################################################################" 
  echo 
}

title '设置远程机器的环境变量'
set_env DB_HOST
set_env DB_PASSWORD
set_env RAILS_MASTER_KEY '请将 config/credentials/production.key' 的内容复制到这里

title '创建数据库'
if [ "$(docker ps -aq -f name=^${DB_HOST}$)" ]; then
  echo '已存在数据库'
else
  docker run -d --name $DB_HOST \
            --network=network1 \
            -e POSTGRES_USER=mangosteen \
            -e POSTGRES_DB=mangosteen_production \
            -e POSTGRES_PASSWORD=$DB_PASSWORD \
            -e PGDATA=/var/lib/postgresql/data/pgdata \
            -v mangosteen-data:/var/lib/postgresql/data \
            postgres:14
  echo '创建成功'
fi

title 'app: docker build'
docker build $root -t mangosteen:$version

if [ "$(docker ps -aq -f name=^mangosteen-prod-1$)" ]; then
  title 'app: docker rm'
  docker rm -f $container_name
fi

title 'app: docker run'
docker run -d -p 3000:3000 \
           --network=network1 \
           --name=$container_name \
           -e DB_HOST=$DB_HOST \
           -e DB_PASSWORD=$DB_PASSWORD \
           -e RAILS_MASTER_KEY=$RAILS_MASTER_KEY \
           mangosteen:$version

echo
echo "是否要更新数据库？[y/N]"
read ans
case $ans in
    y|Y|1  )  echo "yes"; title '更新数据库'; docker exec $container_name bin/rails db:create db:migrate ;;
    n|N|2  )  echo "no" ;;
    ""     )  echo "no" ;;
esac

if [ "$(docker ps -aq -f name=^${nginx_container_name}$)" ]; then
  title 'doc: docker rm'
  docker rm -f $nginx_container_name
fi

title 'doc: docker run'
docker run -d -p 8080:80 \
           --network=network1 \
           --name=$nginx_container_name \
           -v /home/$user/deploys/$version/api:/usr/share/nginx/html:ro \
           nginx:latest

title '全部执行完毕'

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# config/host.Dockerfile
# 基于ruby3.0.0构建ruby运行环境的容器
FROM ruby:3.0.0

# 设置rails环境变量为production
ENV RAILS_ENV production
RUN mkdir /mangosteen
# 配置bundle源
RUN bundle config mirror.https://rubygems.org https://gems.ruby-china.com
WORKDIR /mangosteen
# 把Gemfile先拷贝过去，优先进行本地依赖安装
ADD Gemfile /mangosteen
ADD Gemfile.lock /mangosteen
ADD vendor/cache.tar.gz /mangosteen/vendor/
ADD vendor/rspec_api_documentation.tar.gz /mangosteen/vendor/
# 安装依赖（先配置 安装时排除开发和测试环境的依赖）
RUN bundle config set --local without 'development test'
RUN bundle install --local
# 将源代码放入当前工作目录中（ADD会自动解压缩tar包）
ADD mangosteen-*.tar.gz ./
# bundle exec rails server 是专门用在开发环境的
# 生产环境用puma
# 只在docker run时执行，build时不执行
ENTRYPOINT bundle exec puma

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# bin/deploy_for_host.sh
dir=oh-my-env
# 以时间作为版本 注意空格
time=$(date +"%Y%m%d-%H%M%S")
dist=tmp/mangosteen-$time.tar.gz
current_dir=$(dirname $0)
# 打包的目标路径
deploy_dir=/workspaces/$dir/mangosteen_deploy
gemfile=$current_dir/../Gemfile
gemfile_lock=$current_dir/../Gemfile.lock
vendor_dir=$current_dir/../vendor
vendor_1=rspec_api_documentation

function title {
  echo 
  echo "###############################################################################"
  echo "## $1"
  echo "###############################################################################" 
  echo 
}

# 删除之前存在的
yes | rm tmp/mangosteen-*.tar.gz;
yes | rm $deploy_dir/mangosteen-*.tar.gz;

# 打包 除了tmp/cache中的文件 打包到dist目录 *表示所有不以点开头的文件
title '打包源代码'
tar --exclude="tmp/cache/*" --exclude="tmp/deploy_cache/*" --exclude="vendor/*" -cz -f $dist *
title "打包本地依赖 ${vendor_1}"
bundle cache --quiet
tar -cz -f "$vendor_dir/cache.tar.gz" -C ./vendor cache
tar -cz -f "$vendor_dir/$vendor_1.tar.gz" -C ./vendor $vendor_1
title '创建远程目录'
mkdir -p $deploy_dir/vendor
# 将Dockerfile与docker命令文件复制过去
title '上传源代码和依赖'
cp $dist $deploy_dir/
yes | rm $dist
cp $gemfile $deploy_dir/
cp $gemfile_lock $deploy_dir/
cp $vendor_dir/cache.tar.gz $deploy_dir/vendor/
yes | rm $vendor_dir/cache.tar.gz
cp $vendor_dir/$vendor_1.tar.gz $deploy_dir/vendor/
yes | rm $vendor_dir/$vendor_1.tar.gz
title '上传 Dockerfile'
cp $current_dir/../config/host.Dockerfile $deploy_dir/Dockerfile
title '上传 setup 脚本'
cp $current_dir/setup_host.sh $deploy_dir/
title '上传版本号'
echo $time > $deploy_dir/version
echo 'DONE'

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# bin/setup_host.sh
root=mangosteen_deploy 
version=$(cat $root/version)

container_name=mangosteen-prod-1
db_container_name=db-for-mangosteen

DB_HOST=$db_container_name
DB_PASSWORD=123456

function set_env {
  name=$1
  hint=$2
  [[ ! -z "${!name}" ]] && return
  while [ -z "${!name}" ]; do
    [[ ! -z "$hint" ]] && echo "> 请输入 $name: $hint" || echo "> 请输入 $name:" 
    read $name
  done
  sed -i "1s/^/export $name=${!name}\n/" ~/.bashrc
  echo "${name} 已保存至 ~/.bashrc"
}
function title {
  echo 
  echo "###############################################################################"
  echo "## $1"
  echo "###############################################################################" 
  echo 
}

title '设置远程机器的环境变量'
set_env DB_HOST
set_env DB_PASSWORD
set_env RAILS_MASTER_KEY '请将 config/credentials/production.key 的内容复制到这里'

title '创建数据库'
if [ "$(docker ps -aq -f name=^${DB_HOST}$)" ]; then
  echo '已存在数据库'
else
  docker run -d --name $DB_HOST \
            --network=network1 \
            -e POSTGRES_USER=mangosteen \
            -e POSTGRES_DB=mangosteen_production \
            -e POSTGRES_PASSWORD=$DB_PASSWORD \
            -e PGDATA=/var/lib/postgresql/data/pgdata \
            -v mangosteen-data:/var/lib/postgresql/data \
            postgres:14
  echo '创建成功'
fi

title 'docker build'
docker build $root -t mangosteen:$version

if [ "$(docker ps -aq -f name=^mangosteen-prod-1$)" ]; then
  title 'docker rm'
  docker rm -f $container_name
fi

title 'docker run'
docker run -d -p 3000:3000 \
           --network=network1 \
           --name=$container_name \
           -e DB_HOST=$DB_HOST \
           -e DB_PASSWORD=$DB_PASSWORD \
           -e RAILS_MASTER_KEY=$RAILS_MASTER_KEY \
           mangosteen:$version

echo
echo "是否要更新数据库？[y/N]"
read ans
case $ans in
    y|Y|1  )  echo "yes"; title '更新数据库'; docker exec $container_name bin/rails db:create db:migrate ;;
    n|N|2  )  echo "no" ;;
    ""     )  echo "no" ;;
esac

title '全部执行完毕'