2014-02-06 18:36:32 +00:00
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import logging
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2014-02-07 01:58:26 +00:00
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import json
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2014-02-06 18:36:32 +00:00
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2014-03-26 19:52:24 +00:00
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from flask import request, Blueprint, abort, Response
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from flask.ext.login import current_user
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from auth.auth import require_session_login
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2015-01-28 17:35:01 +00:00
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from endpoints.common import route_show_if
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2015-01-28 22:12:33 +00:00
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from app import app, userevents
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2015-01-28 17:35:01 +00:00
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from auth.permissions import SuperUserPermission
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2016-06-28 19:35:21 +00:00
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from data.userevent import CannotReadUserEventsException
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2015-01-28 17:35:01 +00:00
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import features
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import psutil
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import time
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2014-02-06 18:36:32 +00:00
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logger = logging.getLogger(__name__)
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realtime = Blueprint('realtime', __name__)
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2015-01-28 17:35:01 +00:00
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@realtime.route("/ps")
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@route_show_if(features.SUPER_USERS)
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@require_session_login
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def ps():
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if not SuperUserPermission().can():
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abort(403)
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def generator():
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while True:
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2015-01-28 22:12:33 +00:00
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build_status = {}
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2015-02-17 16:31:50 +00:00
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try:
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builder_data = app.config['HTTPCLIENT'].get('http://localhost:8686/status', timeout=1)
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if builder_data.status_code == 200:
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build_status = json.loads(builder_data.text)
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except:
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pass
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2015-01-28 22:12:33 +00:00
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2015-02-18 00:18:56 +00:00
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try:
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data = {
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'count': {
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'cpu': psutil.cpu_percent(interval=1, percpu=True),
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'virtual_mem': psutil.virtual_memory(),
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'swap_mem': psutil.swap_memory(),
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'connections': len(psutil.net_connections()),
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'processes': len(psutil.pids()),
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'network': psutil.net_io_counters()
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},
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'build': build_status
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}
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except psutil.AccessDenied:
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data = {}
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2015-01-28 17:35:01 +00:00
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json_string = json.dumps(data)
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yield 'data: %s\n\n' % json_string
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2015-02-18 00:15:54 +00:00
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time.sleep(1)
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2015-01-28 17:35:01 +00:00
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2015-02-18 00:15:54 +00:00
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try:
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return Response(generator(), mimetype="text/event-stream")
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except:
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pass
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2015-01-28 17:35:01 +00:00
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2014-02-07 01:58:26 +00:00
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@realtime.route("/user/")
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2014-03-26 19:52:24 +00:00
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@require_session_login
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2014-02-06 18:36:32 +00:00
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def index():
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2014-03-26 19:52:24 +00:00
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debug_template = """
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<html>
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<head>
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</head>
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<body>
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<h1>Server sent events</h1>
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<div id="event"></div>
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<script type="text/javascript">
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var eventOutputContainer = document.getElementById("event");
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var evtSrc = new EventSource("/realtime/user/subscribe?events=docker-cli");
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evtSrc.onmessage = function(e) {
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console.log(e.data);
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eventOutputContainer.innerHTML = e.data;
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};
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</script>
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</body>
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</html>
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2014-02-06 18:36:32 +00:00
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"""
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2014-03-26 19:52:24 +00:00
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return(debug_template)
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2014-02-06 18:36:32 +00:00
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2014-02-07 01:58:26 +00:00
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@realtime.route("/user/test")
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2014-03-26 19:52:24 +00:00
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@require_session_login
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2014-02-07 01:58:26 +00:00
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def user_test():
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2014-05-30 18:25:29 +00:00
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evt = userevents.get_event(current_user.db_user().username)
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2014-02-07 01:58:26 +00:00
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evt.publish_event_data('test', {'foo': 2})
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return 'OK'
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@realtime.route("/user/subscribe")
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2014-03-26 19:52:24 +00:00
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@require_session_login
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2014-02-07 01:58:26 +00:00
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def user_subscribe():
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def wrapper(listener):
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for event_id, data in listener.event_stream():
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message = {'event': event_id, 'data': data}
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json_string = json.dumps(message)
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yield 'data: %s\n\n' % json_string
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events = request.args.get('events', '').split(',')
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if not events:
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abort(404)
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2016-06-28 19:35:21 +00:00
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try:
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listener = userevents.get_listener(current_user.db_user().username, events)
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except CannotReadUserEventsException:
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abort(504)
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2014-02-07 01:58:26 +00:00
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return Response(wrapper(listener), mimetype="text/event-stream")
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