.Net Core 进程守护之Supervisor使用详解

wget https://mirrors.tuna.tsinghua.edu.cn/epel/epel-release-latest-7.noarch.rpm
rpm -ivh epel-release-latest-7.noarch.rpm
yum install supervisor -y

cd /etc/supervisord.d
vi WebApplication.WebUI.ini
vi WebApplication.Webapi.ini

# 冒号后面为应用名称
[program:WebApplication.WebUI]
# 应用启动命令，需要dotnet的完整路径
command=dotnet WebApplication.WebUI.dll --urls Http://0.0.0.0:8888
# 进程名称
process_name=%(program_name)s
# 应用启动的目录，否则应用会报找不到文件的错误
directory=/data/apps/WebApplication.WebUI/
# .net core 应用环境变量，表明是哪个环境
environment=ASPnetcore_ENVIRONMENT=Development
# 执行用户
user=root
stopsignal=INT
# 掉线是否自动重启
autostart=true
autorestart=true
startsecs=3
priority=1
# 日志输出路径，该路径自定义(路径不存在需要手动创建文件目录)
stderr_logfile=/data/logs/supervisor/log/%(program_name)s_error.log
stderr_logfile_maxbytes=50MB
stderr_logfile_backups=10
# 日志输出路径，该路径自定义(路径不存在需要手动创建文件目录)
stdout_logfile=/data/logs/supervisor/log/%(program_name)s_error.log
stdout_logfile_maxbytes=50MB
stdout_logfile_backups=10

# 冒号后面为应用名称
[program:WebApplication.WebAPI]
# 应用启动命令，需要dotnet的完整路径
command=dotnet WebApplication.WebAPI.dll --urls http://0.0.0.0:7777
# 进程名称
process_name=%(program_name)s
# 应用启动的目录，否则应用会报找不到文件的错误
directory=/data/apps/WebApplication.WebAPI/
# .Net Core 应用环境变量，表明是哪个环境
environment=ASPNETCORE_ENVIRONMENT=Development
# 执行用户
user=root
stopsignal=INT
# 掉线是否自动重启
autostart=true
autorestart=true

startsecs=3
priority=1
# 日志输出路径，该路径自定义(路径不存在需要手动创建文件目录)
stderr_logfile=/data/logs/supervisor/log/%(program_name)s_error.log
stderr_logfile_maxbytes=50MB
stderr_logfile_backups=10
# 日志输出路径，该路径自定义(路径不存在需要手动创建文件目录)
stdout_logfile=/data/logs/supervisor/log/%(program_name)s_error.log
stdout_logfile_maxbytes=50MB
stdout_logfile_backups=10

# 启动Supervisor
supervisord -c /etc/supervisord.conf
#查看状态
supervisorctl status

# 防火墙开放端口(作者两个应用端口号分别是7777、8888)
firewall-cmd --add-port=8888/tcp --permanent
firewall-cmd --add-port=7777/tcp --permanent

vi /etc/supervisord.conf

#启动Supervisor
supervisord -c /etc/supervisor/supervisord.conf
# 查看状态
supervisorctl status
# 停止某个服务
supervisorctl stop WebApplication1
# 停止所有服务
supervisorctl stop all
# 开始某个服务
supervisorctl start WebApplication1
# 开始所有服务
supervisorctl start all
# 重启某个服务
supervisorctl restart WebApplication1
# 重启所有服务
supervisorctl restart all
# 重启Supervisor
supervisorctl reload
# 修改Supervisor
supervisorctl update

vi /usr/lib/systemd/system/supervisord.service
# 内容
[Unit]
Description=Supervisor
[Service]
Type=forking
PIDFile=/var/run/supervisord.pid
ExecStart=/usr/bin/supervisord -c /etc/supervisord.conf
ExecStop=/usr/bin/supervisorctl shutdown
ExecReload=/usr/bin/supervisorctl reload
KillMode=process
Restart=on-failure
RestartSec=42s
[Install]
WantedBy=multi-user.target

# 启动服务
systemctl enable supervisord
# 验证是否为开机自启动
systemctl is-enabled supervisord 

# 停止
systemctl stop supervisord
# 启动
systemctl start supervisord
# 状态
systemctl status supervisord
# 重载
systemctl reload supervisord
# 重启
systemctl restart supervisord