ail-framework/var/www/modules/dashboard/Flask_dashboard.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
'''
Flask functions and routes for the dashboard page
'''
import json
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import os
import datetime
import time
import flask
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from Date import Date
from flask import Flask, render_template, jsonify, request, Blueprint, url_for
from flask_login import login_required
# ============ VARIABLES ============
import Flask_config
app = Flask_config.app
cfg = Flask_config.cfg
baseUrl = Flask_config.baseUrl
r_serv = Flask_config.r_serv
r_serv_log = Flask_config.r_serv_log
r_serv_db = Flask_config.r_serv_db
max_dashboard_logs = Flask_config.max_dashboard_logs
dict_update_description = Flask_config.dict_update_description
dashboard = Blueprint('dashboard', __name__, template_folder='templates')
# ============ FUNCTIONS ============
def event_stream():
pubsub = r_serv_log.pubsub()
pubsub.psubscribe("Script" + '.*')
for msg in pubsub.listen():
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type = msg['type']
pattern = msg['pattern']
channel = msg['channel']
data = msg['data']
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msg = {'channel': channel, 'type': type, 'pattern': pattern, 'data': data}
level = (msg['channel']).split('.')[1]
if msg['type'] == 'pmessage' and level != "DEBUG":
yield 'data: %s\n\n' % json.dumps(msg)
def get_queues(r):
# We may want to put the llen in a pipeline to do only one query.
newData = []
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for queue, card in r.hgetall("queues").items():
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key = "MODULE_" + queue + "_"
keySet = "MODULE_TYPE_" + queue
for moduleNum in r.smembers(keySet):
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value = r.get(key + str(moduleNum))
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if value is not None:
timestamp, path = value.split(", ")
if timestamp is not None:
startTime_readable = datetime.datetime.fromtimestamp(int(timestamp))
processed_time_readable = str((datetime.datetime.now() - startTime_readable)).split('.')[0]
seconds = int((datetime.datetime.now() - startTime_readable).total_seconds())
newData.append( (queue, card, seconds, moduleNum) )
else:
newData.append( (queue, cards, 0, moduleNum) )
return newData
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def get_date_range(date_from, num_day):
date = Date(str(date_from[0:4])+str(date_from[4:6]).zfill(2)+str(date_from[6:8]).zfill(2))
date_list = []
for i in range(0, num_day+1):
new_date = date.substract_day(i)
date_list.append(new_date[0:4] +'-'+ new_date[4:6] +'-'+ new_date[6:8])
return date_list
def dashboard_alert(log):
# check if we need to display this log
if len(log)>50:
date = log[1:5]+log[6:8]+log[9:11]
utc_str = log[1:20]
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log = log[46:].split(';')
if len(log) == 6:
time = datetime_from_utc_to_local(utc_str)
path = url_for('showsavedpastes.showsavedpaste',paste=log[5])
res = {'date': date, 'time': time, 'script': log[0], 'domain': log[1], 'date_paste': log[2],
'paste': log[3], 'message': log[4], 'path': path}
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return res
else:
return False
else:
return False
def datetime_from_utc_to_local(utc_str):
utc_datetime = datetime.datetime.strptime(utc_str, '%Y-%m-%d %H:%M:%S')
now_timestamp = time.time()
offset = datetime.datetime.fromtimestamp(now_timestamp) - datetime.datetime.utcfromtimestamp(now_timestamp)
local_time_str = (utc_datetime + offset).strftime('%H:%M:%S')
return local_time_str
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# ============ ROUTES ============
@dashboard.route("/_logs")
@login_required
def logs():
return flask.Response(event_stream(), mimetype="text/event-stream")
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@dashboard.route("/_get_last_logs_json")
@login_required
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def get_last_logs_json():
date = datetime.datetime.now().strftime("%Y%m%d")
max_day_search = 6
day_search = 0
warning_found = 0
warning_to_found = max_dashboard_logs
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last_logs = []
date_range = get_date_range(date, max_day_search)
while max_day_search != day_search and warning_found != warning_to_found:
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filename_warning_log = 'logs/Script_warn-'+ date_range[day_search] +'.log'
filename_log = os.path.join(os.environ['AIL_HOME'], filename_warning_log)
try:
with open(filename_log, 'r') as f:
lines = f.read().splitlines()
curr_index = -1
while warning_found != warning_to_found:
try:
# get lasts warning logs
log_warn = dashboard_alert(lines[curr_index])
if log_warn != False:
last_logs.append(log_warn)
warning_found = warning_found + 1
curr_index = curr_index - 1
except IndexError:
# check previous warning log file
day_search = day_search + 1
break
except FileNotFoundError:
# check previous warning log file
day_search = day_search + 1
return jsonify(list(reversed(last_logs)))
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@dashboard.route("/_stuff", methods=['GET'])
@login_required
def stuff():
return jsonify(row1=get_queues(r_serv))
@dashboard.route("/")
@login_required
def index():
default_minute = cfg.get("Flask", "minute_processed_paste")
threshold_stucked_module = cfg.getint("Module_ModuleInformation", "threshold_stucked_module")
log_select = {10, 25, 50, 100}
log_select.add(max_dashboard_logs)
log_select = list(log_select)
log_select.sort()
# Check if update in progress
update_in_progress = False
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update_warning_message = ''
update_warning_message_notice_me = ''
current_update = r_serv_db.get('ail:current_background_update')
if current_update:
if r_serv_db.scard('ail:update_{}'.format(current_update)) != dict_update_description[current_update]['nb_background_update']:
update_in_progress = True
update_warning_message = dict_update_description[current_update]['update_warning_message']
update_warning_message_notice_me = dict_update_description[current_update]['update_warning_message_notice_me']
return render_template("index.html", default_minute = default_minute, threshold_stucked_module=threshold_stucked_module,
log_select=log_select, selected=max_dashboard_logs,
update_warning_message=update_warning_message, update_in_progress=update_in_progress,
update_warning_message_notice_me=update_warning_message_notice_me)
# ========= REGISTRATION =========
app.register_blueprint(dashboard, url_prefix=baseUrl)