Я пытаюсь обслуживать простой API, следуя этому руководство по digitalocean.
Для тестирования я ранее обслуживал API через gunicorn, выполняя
$ gunicorn --bind 0.0.0.0:5000 trumporate.wsgi:app
И скручивание конечной точки API работает внутри коробки ec2.
$ curl -X GET http://0.0.0.0:5000/api/v1/trump/rant/
{
"foo": "bar"
}
Теперь я переключил этот процесс gunicorn на запуск при запуске, создав службу systemd
# /etc/systemd/system/trumporate.service
[Unit]
Description=Gunicorn instance for trumporate
After=network.target
[Service]
User=ubuntu
Group=www-data
WorkingDirectory=/var/opt/trumporate
ExecStart=/usr/local/bin/gunicorn --workers 3 --bind unix:trumporate.sock -m 007 --access-logfile /var/log/trumporate/gunicorn-access.log --error-logfile /var/log/trumporate/gunicorn-error.log trumporate.wsgi:app
[Install]
WantedBy=multi-user.target
Я создал файлы
/var/log/trumporate/gunicorn-error.log
/var/log/trumporate/gunicorn-access.log
и изменил владельца и группу на ubuntu
После включения сервиса и перезагрузки проверил статус
$ sudo systemctl status trumporate.service
● trumporate.service - Gunicorn instance for trumporate
Loaded: loaded (/etc/systemd/system/trumporate.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2017-05-03 06:30:26 UTC; 1h 2min ago
Main PID: 1122 (gunicorn)
Tasks: 4
Memory: 92.2M
CPU: 1.390s
CGroup: /system.slice/trumporate.service
├─1122 /usr/bin/python3 /usr/local/bin/gunicorn --workers 3 --bind unix:trumporate.sock -m 007 --access-logfile /var/log/trumporate/gunicorn-access.log --error-logfile /var/log/trumporate/gunic
├─1264 /usr/bin/python3 /usr/local/bin/gunicorn --workers 3 --bind unix:trumporate.sock -m 007 --access-logfile /var/log/trumporate/gunicorn-access.log --error-logfile /var/log/trumporate/gunic
├─1266 /usr/bin/python3 /usr/local/bin/gunicorn --workers 3 --bind unix:trumporate.sock -m 007 --access-logfile /var/log/trumporate/gunicorn-access.log --error-logfile /var/log/trumporate/gunic
└─1267 /usr/bin/python3 /usr/local/bin/gunicorn --workers 3 --bind unix:trumporate.sock -m 007 --access-logfile /var/log/trumporate/gunicorn-access.log --error-logfile /var/log/trumporate/gunic
May 03 06:30:26 ip-172-31-25-173 systemd[1]: Started Gunicorn instance for trumporate.
Следуя руководству по DO, я попытался настроить nginx для проксирования входящих запросов через порт 80.
$ cat /etc/nginx/sites-available/trumporate
server {
listen 80;
server_name private_ip_address;
location / {
include proxy_params;
proxy_pass http://unix:/var/opt/trumporate/trumporate.sock;
}
}
А потом сделал
$ ln -s /etc/nginx/sites-available/trumporate /etc/nginx/sites-enabled
$ sudo nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
Теперь, если я попытаюсь выполнить GET
запрос к конечной точке API из-за пределов поля ec2
$ curl -X GET http://public_ip/api/v1/trump/rant
<html>
<head><title>404 Not Found</title></head>
<body bgcolor="white">
<center><h1>404 Not Found</h1></center>
<hr><center>nginx/1.10.0 (Ubuntu)</center>
</body>
</html>
Тот же случай, когда я пытаюсь сделать это и из контейнера ec2.
$ curl -X GET http://localhost:80/api/v1/trump/rant/
<html>
<head><title>404 Not Found</title></head>
<body bgcolor="white">
<center><h1>404 Not Found</h1></center>
<hr><center>nginx/1.10.0 (Ubuntu)</center>
</body>
</html>
файлы журнала
# /var/log/nginx/access.log
dev_box_ip - - [03/May/2017:05:50:45 +0000] "GET /api/v1/trump/rant/ HTTP/1.1" 404 580 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.81 Safari/537.36"
127.0.0.1 - - [03/May/2017:06:13:26 +0000] "GET /api/v1/trump/rant/ HTTP/1.1" 404 178 "-" "curl/7.47.0"
dev_box_ip - - [03/May/2017:07:42:42 +0000] "GET / HTTP/1.1" 304 0 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.81 Safari/537.36"
/var/log/nginx$ cat error.log
/var/log/nginx$
/var/log/trumporate$ cat gunicorn-access.log
/var/log/trumporate$
$ cat gunicorn-error.log
[2017-05-03 06:28:41 +0000] [1884] [INFO] Starting gunicorn 19.7.1
[2017-05-03 06:28:41 +0000] [1884] [INFO] Listening at: unix:trumporate.sock (1884)
[2017-05-03 06:28:41 +0000] [1884] [INFO] Using worker: sync
[2017-05-03 06:28:41 +0000] [1889] [INFO] Booting worker with pid: 1889
[2017-05-03 06:28:41 +0000] [1890] [INFO] Booting worker with pid: 1890
[2017-05-03 06:28:41 +0000] [1891] [INFO] Booting worker with pid: 1891
[2017-05-03 06:29:48 +0000] [1884] [INFO] Handling signal: term
[2017-05-03 06:29:48 +0000] [1889] [INFO] Worker exiting (pid: 1889)
[2017-05-03 06:29:48 +0000] [1890] [INFO] Worker exiting (pid: 1890)
[2017-05-03 06:29:48 +0000] [1891] [INFO] Worker exiting (pid: 1891)
[2017-05-03 06:29:49 +0000] [1884] [INFO] Shutting down: Master
[2017-05-03 06:30:27 +0000] [1122] [INFO] Starting gunicorn 19.7.1
[2017-05-03 06:30:27 +0000] [1122] [INFO] Listening at: unix:trumporate.sock (1122)
[2017-05-03 06:30:27 +0000] [1122] [INFO] Using worker: sync
[2017-05-03 06:30:27 +0000] [1264] [INFO] Booting worker with pid: 1264
[2017-05-03 06:30:27 +0000] [1266] [INFO] Booting worker with pid: 1266
[2017-05-03 06:30:28 +0000] [1267] [INFO] Booting worker with pid: 1267
/var/log/trumporate$
ИЗМЕНИТЬ
Соответствующая часть фляжного приложения
@app.route('/api/v1/trump/rant/')
def return_rant():
foo = # logic
return jsonify(rant=foo)