341 lines
12 KiB
Python
341 lines
12 KiB
Python
# -*- coding: utf-8 -*-
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import json
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import os
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import shutil
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import subprocess
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from . import confupdater
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from . import tools
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from . import validator
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VERSION = '0.0.1'
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CONF_FILE = '/srv/spotter/config.json'
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ISSUE_FILE = '/etc/issue'
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NGINX_DIR = '/etc/nginx/conf.d'
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ACME_CRON = '/etc/periodic/daily/acme-sh'
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CERT_PUB_FILE = '/etc/ssl/certs/services.pem'
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CERT_KEY_FILE = '/etc/ssl/private/services.key'
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NGINX_TEMPLATE = '''server {{
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listen [::]:{port} ssl http2;
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server_name {host}.{domain};
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access_log /var/log/nginx/{app}.access.log;
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error_log /var/log/nginx/{app}.error.log;
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location / {{
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proxy_pass http://{ip}:8080;
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}}
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error_page 502 /502.html;
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location = /502.html {{
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root /srv/spotter/templates;
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}}
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location = /spotter-ping {{
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add_header Content-Type text/plain;
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return 200 "spotter-pong";
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}}
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}}
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'''
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NGINX_DEFAULT_TEMPLATE = '''server {{
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listen [::]:80 default_server ipv6only=off;
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location / {{
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return 301 https://$host:{port}$request_uri;
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}}
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location /.well-known/acme-challenge/ {{
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root /etc/acme.sh.d;
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}}
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location = /spotter-ping {{
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add_header Content-Type text/plain;
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return 200 "spotter-pong";
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}}
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}}
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server {{
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listen [::]:{port} ssl http2 default_server ipv6only=off;
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location / {{
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proxy_pass http://127.0.0.1:8080;
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}}
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location /static {{
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root /srv/spotter;
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}}
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error_page 502 /502.html;
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location = /502.html {{
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root /srv/spotter/templates;
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}}
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location = /spotter-ping {{
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add_header Content-Type text/plain;
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return 200 "spotter-pong";
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}}
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}}
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'''
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ISSUE_TEMPLATE = '''
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\x1b[1;32m _____ _ _ __ ____ __
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/ ____| | | | | \\\\ \\\\ / / \\\\/ |
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| (___ _ __ ___ | |_| |_ ___ _ _\\\\ \\\\ / /| \\\\ / |
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\\\\___ \\\\| '_ \\\\ / _ \\\\| __| __/ _ \\\\ '__\\\\ \\\\/ / | |\\\\/| |
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____) | |_) | (_) | |_| || __/ | \\\\ / | | | |
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|_____/| .__/ \\\\___/ \\\\__|\\\\__\\\\___|_| \\\\/ |_| |_|
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|_|\x1b[0m
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\x1b[1;33mUPOZORNĚNÍ:\x1b[0m Neoprávněný přístup k tomuto zařízení je zakázán.
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Musíte mít výslovné oprávnění k přístupu nebo konfiguraci tohoto zařízení.
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Neoprávněné pokusy a kroky k přístupu nebo používání tohoto systému mohou mít
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za následek občanské nebo trestní sankce.
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\x1b[1;33mCAUTION:\x1b[0m Unauthozired access to this device is prohibited.
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You must have explicit, authorized permission to access or configure this
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device. Unauthorized attempts and actions to access or use this system may
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result in civil or criminal penalties.
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Pro přístup k aplikacím otevřete URL \x1b[1m{url}\x1b[0m ve Vašem
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internetovém prohlížeči.
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\x1b[0;30m
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'''
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ACME_CRON_TEMPLATE = '''#!/bin/sh
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[ -x /usr/bin/acme.sh ] && /usr/bin/acme.sh --cron >/dev/null
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'''
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class AppMgr:
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def __init__(self):
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# Load JSON configuration
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with open(CONF_FILE, 'r') as f:
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self.conf = json.load(f)
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self.domain = self.conf['host']['domain']
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self.port = self.conf['host']['port']
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def save_conf(self):
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# Save a sorted JSON configuration object with indentation
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with open(CONF_FILE, 'w') as f:
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json.dump(self.conf, f, sort_keys=True, indent=4)
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def update_login(self, app, login, password):
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# Update login and password for an app in the configuration
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if not validator.is_valid_app(app, self.conf):
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raise validator.InvalidValueException('app', app)
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if login is not None:
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self.conf['apps'][app]['login'] = login
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if password is not None:
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self.conf['apps'][app]['password'] = password
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self.save_conf()
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def show_tiles(self, app):
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# Update visibility for the app in the configuration
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if not validator.is_valid_app(app, self.conf):
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raise validator.InvalidValueException('app', app)
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self.conf['apps'][app]['visible'] = True
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self.save_conf()
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def hide_tiles(self, app):
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# Update visibility for the app in the configuration
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if not validator.is_valid_app(app, self.conf):
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raise validator.InvalidValueException('app', app)
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self.conf['apps'][app]['visible'] = False
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self.save_conf()
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def start_app(self, app):
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# Start the actual app service
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if not validator.is_valid_app(app, self.conf):
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raise validator.InvalidValueException('app', app)
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tools.start_service(app)
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def stop_app(self, app):
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# Stop the actual app service
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if not validator.is_valid_app(app, self.conf):
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raise validator.InvalidValueException('app', app)
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tools.stop_service(app)
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# Stop the app service's dependencies if they are not used by another running app
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deps = self.build_deps_tree()
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for dep in self.get_app_deps(app):
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if not any([tools.is_service_started(d) for d in deps[dep]]):
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tools.stop_service(dep)
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def build_deps_tree(self):
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# Fisrt, build a dictionary of {app: [needs]}
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needs = {}
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for app in self.conf['apps']:
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needs[app] = self.get_app_deps(app)
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# Then reverse it to {need: [apps]}
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deps = {}
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for app, need in needs.items():
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for n in need:
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deps.setdefault(n, []).append(app)
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return deps
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def get_app_deps(self, app):
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# Get "needs" line from init script and split it to list, skipping first two elements (docker, net)
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try:
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with open(os.path.join('/etc/init.d', app), 'r') as f:
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return [l.split()[2:] for l in f.readlines() if l.startswith('\tneed')][0]
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except:
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return []
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def enable_autostart(self, app):
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# Add the app to OpenRC default runlevel
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if not validator.is_valid_app(app, self.conf):
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raise validator.InvalidValueException('app', app)
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subprocess.run(['/sbin/rc-update', 'add', app])
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def disable_autostart(self, app):
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# Remove the app from OpenRC default runlevel
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if not validator.is_valid_app(app, self.conf):
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raise validator.InvalidValueException('app', app)
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subprocess.run(['/sbin/rc-update', 'del', app])
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def register_proxy(self, app):
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# Rebuild nginx configuration using IP of referenced app container and reload nginx
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if not validator.is_valid_app(app, self.conf):
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raise validator.InvalidValueException('app', app)
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self.update_proxy_conf(app, tools.get_container_ip(app))
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tools.reload_nginx()
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def update_proxy_conf(self, app, ip):
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with open(os.path.join(NGINX_DIR, '{}.conf'.format(app)), 'w') as f:
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f.write(NGINX_TEMPLATE.format(app=app, host=self.conf['apps'][app]['host'], ip=ip, domain=self.domain, port=self.port))
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def unregister_proxy(self, app):
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# Remove nginx configuration to prevent proxy mismatch when the container IP is reassigned to another container
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if not validator.is_valid_app(app, self.conf):
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raise validator.InvalidValueException('app', app)
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self.update_proxy_conf(app, tools.NULL_IP)
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tools.reload_nginx()
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def update_host(self, domain, port, restart_nginx=True):
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# Update domain and port and rebuild all configurtion. Defer nginx restart when updating from web interface
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if not validator.is_valid_domain(domain):
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raise validator.InvalidValueException('domain', domain)
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if not validator.is_valid_port(port):
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raise validator.InvalidValueException('port', port)
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self.domain = self.conf['host']['domain'] = domain
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self.port = self.conf['host']['port'] = port
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self.save_conf()
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self.rebuild_nginx(restart_nginx)
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self.rebuild_issue()
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self.update_apps_urls()
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def rebuild_nginx(self, restart_nginx):
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# Rebuild nginx config for the portal app
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with open(os.path.join(NGINX_DIR, 'default.conf'), 'w') as f:
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f.write(NGINX_DEFAULT_TEMPLATE.format(port=self.port))
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# Unregister nginx proxy for apps (will be repopulated on app restart)
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for app in self.conf['apps']:
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self.update_proxy_conf(app, tools.NULL_IP)
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# Restart nginx to properly bind the new listen port
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if restart_nginx:
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tools.restart_nginx()
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def rebuild_issue(self):
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# Compile the HTTPS host displayed in terminal banner
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domain = self.domain
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# If the dummy host is used, take an IP address of a primary interface instead
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if domain == 'spotter.vm':
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domain = tools.get_local_ipv4()
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if not domain:
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domain = tools.get_local_ipv6()
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if not domain:
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domain = '127.0.0.1'
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# Rebuild the terminal banner
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with open(ISSUE_FILE, 'w') as f:
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f.write(ISSUE_TEMPLATE.format(url=tools.compile_url(domain, self.port)))
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def update_apps_urls(self):
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# Update configuration for respective applications
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confupdater.update_url(tools.compile_url(self.domain, self.port))
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# Restart currently running apps in order to update config and re-register nginx proxy
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for app in self.conf['apps']:
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if tools.is_service_started(app):
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tools.restart_service(app)
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def update_common(self, email, gmaps_api_key):
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# Update common configuration values
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if email != None:
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# Update email
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if not validator.is_valid_email(email):
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raise validator.InvalidValueException('email', email)
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self.conf['common']['email'] = email
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confupdater.update_email(email)
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if gmaps_api_key != None:
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# Update Google Maps API key
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self.conf['common']['gmaps-api-key'] = gmaps_api_key
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confupdater.update_gmaps_api_key(gmaps_api_key)
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# Save config to file
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self.save_conf()
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# Restart currently running apps in order to update config
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for app in self.conf['apps']:
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if tools.is_service_started(app):
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tools.restart_service(app)
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def update_password(self, oldpassword, newpassword):
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# Update LUKS password and adminpwd for WSGI application
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tools.update_luks_password(oldpassword, newpassword)
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self.conf['host']['adminpwd'] = tools.adminpwd_hash(newpassword)
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# Save config to file
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self.save_conf()
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def request_cert(self):
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# Remove all possible conflicting certificates requested in the past
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certs = [i for i in os.listdir('/etc/acme.sh.d') if i not in ('account.conf', 'ca', 'http.header')]
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for cert in certs:
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if cert != self.domain:
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subprocess.run(['/usr/bin/acme.sh', '--remove', '-d', cert])
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# Compile an acme.sh command for certificate requisition only if the certificate hasn't been requested before
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if not os.path.exists(os.path.join('/etc/acme.sh.d', self.domain)):
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cmd = ['/usr/bin/acme.sh', '--issue', '-d', self.domain]
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for app in self.conf['apps']:
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cmd += ['-d', '{}.{}'.format(self.conf['apps'][app]['host'], self.domain)]
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cmd += ['-w', '/etc/acme.sh.d']
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# Request the certificate
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subprocess.run(cmd, check=True)
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# Otherwise just try to renew
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else:
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# Acme.sh returns code 2 on skipped renew
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try:
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subprocess.run(['/usr/bin/acme.sh', '--renew', '-d', self.domain], check=True)
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except subprocess.CalledProcessError as e:
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if e.returncode != 2:
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raise
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# Install the issued certificate
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subprocess.run(['/usr/bin/acme.sh', '--install-cert', '-d', self.domain, '--key-file', CERT_KEY_FILE, '--fullchain-file', CERT_PUB_FILE, '--reloadcmd', '/sbin/service nginx reload'], check=True)
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# Install acme.sh cronjob
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with open(ACME_CRON, 'w') as f:
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f.write(ACME_CRON_TEMPLATE)
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def install_cert(self, public_file, private_file):
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# Remove acme.sh cronjob
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if os.path.exists(ACME_CRON):
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os.unlink(ACME_CRON)
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# Copy certificate files
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shutil.copyfile(public_file, CERT_PUB_FILE)
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shutil.copyfile(private_file, CERT_KEY_FILE)
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os.chmod(CERT_KEY_FILE, 0o640)
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# Reload nginx
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tools.reload_nginx()
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