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bbbmon.py

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  • bbbmon.py 10.72 KiB
    #!/usr/bin/env python3
    # -*- coding: utf-8 -*-
    import os
    import hashlib
    from datetime import datetime, timedelta
    import requests
    import click
    from xml.etree import cElementTree as ElementTree
    from typing import NewType, Optional, Tuple, Iterable, List
    
    # Local module imports
    from bbbmon.xmldict import XmlListConfig, XmlDictConfig
    from bbbmon.configuration import Config, Endpoint, SERVER_PROPERTIES_FILE, Url, Secret
    
    
    
    FRIENDLY_KEYNAMES = {
        "participantCount": "Participants",
        "listenerCount": "only listening",
        "voiceParticipantCount": "Mics on",
        "videoCount": "Webcams on",
        "moderatorCount": "Number of Moderators"
    }
    
    
    def generate_checksum(call_name: str, query_string: str, secret: Secret) -> str:
        """
        Generate Checksum for the request header (passed as value for `?checksum=`)
        """
        m = hashlib.sha1()
        m.update(call_name.encode('utf-8'))
        m.update(query_string.encode('utf-8'))
        m.update(secret.encode('utf-8'))
        return m.hexdigest()
    
    
    def request_meetings(secret: Secret, bbb_url: Url) -> XmlDictConfig:
        """
        Make a getMeetings-API Call to the bbb instance and return a XmlDictConfig
        with the servers response
        """
        call_name = "getMeetings"
        checksum = generate_checksum(call_name, "", secret)
        url = "{}/api/{}?checksum={}".format(bbb_url, call_name, checksum)
        r = requests.get(url)
        root = ElementTree.XML(r.text)
        xmldict = XmlDictConfig(root)
        if "returncode" in xmldict.keys():
            if xmldict['returncode'] == "FAILED":
                print(xmldict)
                exit()
        else:
            print(r.text)
            exit()
        return xmldict
    
    
    def get_meetings(secret: Secret, bbb_url: Url) -> Iterable[XmlDictConfig]:
        """
        Request meetings and return a list of them. Sorted by biggest first
        """
        meetings = []
        d = request_meetings(secret, bbb_url)
    
        if d["meetings"] is None:
            return []
    
        if type(d["meetings"]["meeting"]) is XmlListConfig:
            meetings = sorted([m for m in d["meetings"]["meeting"] if m["running"] == "true"], key=lambda x:int(x['participantCount']), reverse=True)
        elif type(d["meetings"]["meeting"]) is XmlDictConfig:
            meetings = [d["meetings"]["meeting"]]
        return meetings
    
    
    def get_presenter(meeting: XmlDictConfig) -> Optional[XmlDictConfig]:
        """
        Get the presenter of a meeting (return None if there is none)
        """
        presenters = []
        if type(meeting["attendees"]["attendee"]) is XmlListConfig:
            presenters = [a for a in meeting["attendees"]["attendee"] if a["isPresenter"] == "true"]
        elif type(meeting["attendees"]["attendee"]) is XmlDictConfig:
            presenters = [meeting["attendees"]["attendee"]]
        
        if len(presenters) > 0:
            return presenters[0]
        else:
            return None
    
    
    def get_duration(meeting: XmlDictConfig) -> timedelta:
        """
        Return the duration of a meeting
        """
        timestamp = int(meeting["startTime"][:-3])
        start_time = datetime.fromtimestamp(timestamp)
        duration = datetime.now() - start_time
        return duration
    
    
    def strfdelta(duration: timedelta) -> str:
        """
        Helper function for datetime.timedelta formatting, use like this:
        strfdelta(delta_obj, "{days} days {hours}:{minutes}:{seconds}")
        """
        s = int(duration.total_seconds())
    
        return '{:02}:{:02}:{:02}'.format(s // 3600, s % 3600 // 60, s % 60)
    
    
    def format_duration(meeting: XmlDictConfig) -> str:
        """
        Helper functions for duration
        """
        duration = get_duration(meeting)
        return strfdelta(duration)
    
    
    
    def get_formated_presenter_name_id(meeting: XmlDictConfig) -> str:
        """
        Get the formated name of the presenter for a given meeting (with id)
        """
        presenter = get_presenter(meeting)
        if presenter is not None:
            return "{:<30} ({})".format(presenter["fullName"], presenter["userID"])
        else:
            return "no Presenter"
    
    def get_formated_presenter_name(meeting: XmlDictConfig) -> str:
        """
        Get the formated name of the presenter for a given meeting
        """
        presenter = get_presenter(meeting)
        if presenter is not None:
            return "{:<30}".format(presenter["fullName"])
        else:
            return "no Presenter"
    
    
    def print_leaderboard(meetings: Iterable[XmlDictConfig], key: str, endpoint_name: str, presenter: bool, presenter_id: bool, fancy: bool):
        """
        Print a leaderboard of all meetings sorted by a given key (e.g. 
        participantCount)
        """
        print_header(endpoint_name, "LEADERBOARD ({})".format(FRIENDLY_KEYNAMES[key]), fancy)
        sorted_by = sorted([m for m in meetings], key=lambda x:int(x[key]), reverse=True)
        for m in sorted_by:
            if presenter:
                if presenter_id:
                    print("{:>5} {:<45} {}".format(m[key], m["meetingName"], get_formated_presenter_name_id(m))) 
                else:
                    print("{:>5} {:<45} {}".format(m[key], m["meetingName"], get_formated_presenter_name(m))) 
            else:
                print("{:>5} {}".format(m[key], m["meetingName"]))
    
    def print_duration_leaderboard(meetings: Iterable[XmlDictConfig], endpoint_name: str, presenter: bool, presenter_id: bool, fancy: bool):
        """
        Print a leaderboard of all meetings sorted by a given key (e.g. 
        participantCount)
        """
        print_header(endpoint_name, "LEADERBOARD (Duration)", fancy)
        by_duration = sorted([m for m in meetings], key=lambda x:int(get_duration(x).total_seconds()), reverse=True)
    
        for m in by_duration:
            if presenter:
                if presenter_id:
                    print("{:>12} {:<38} {}".format(format_duration(m), m["meetingName"], get_formated_presenter_name_id(m))) 
                else:
                    print("{:>12} {:<38} {}".format(format_duration(m), m["meetingName"], get_formated_presenter_name(m))) 
            else:
                print("{:>12} {}".format(format_duration(m), m["meetingName"]))
    
    def print_header(endpoint_name: str, text: str, fancy=True):
        if fancy:
            click.echo(click.style("  [{}] {}  ".format(endpoint_name, text), fg='black', bg='white', bold=True))
        else:
            print("[{}] {}".format(endpoint_name, text))
    
    def print_overview(config: Config, leaderboards: bool, participants: bool, presenter: bool, presenter_id: bool, show_meetings: bool, fancy: bool):
        """
        For each endpoint in the configuration get the active meetings and print 
        out an overview of the current bbb-usage
        """
        for i, endpoint in enumerate(config.endpoints):
            meetings = get_meetings(endpoint.secret, endpoint.url)
    
            # Print divider if there is more than one endpoint
            if i > 0:
                print()
                print("="*click.get_terminal_size()[0])
                print()
    
            # If there are no meetings, skip to next endpoint
            if len(meetings) == 0:
                if show_meetings:
                    print_header(endpoint.name, "MEETINGS", fancy)
                    print("   └─── Currently no active meetings.")
                continue
    
            n_running = len(meetings)
            n_recording = len([m for m in meetings if m["recording"] == "true"])
            n_participants = sum([int(m["participantCount"]) for m in meetings])
            n_listeners = sum([int(m["listenerCount"]) for m in meetings])
            n_voice = sum([int(m["voiceParticipantCount"]) for m in meetings])
            n_video = sum([int(m["videoCount"]) for m in meetings])
            n_moderator = sum([int(m["moderatorCount"]) for m in meetings])
    
            if show_meetings:
                print_header(endpoint.name, "MEETINGS", fancy)
                print("   ├─── {:>4} running".format(n_running))
                print("   └─── {:>4} recording".format(n_recording))
                print()
    
            if participants:
                print_header(endpoint.name, "PARTICIPANTS across all {} rooms".format(n_running), fancy)
                print("   └─┬─ {:>4} total".format(n_participants))
                print("     ├─ {:>4} listening only".format(n_listeners))
                print("     ├─ {:>4} mic on".format(n_voice))
                print("     ├─ {:>4} video on".format(n_video))
                print("     └─ {:>4} moderators".format(n_moderator))
    
            if leaderboards:
                print()
                print_leaderboard(meetings, "participantCount", endpoint.name, presenter, presenter_id, fancy)
                print()
                print_leaderboard(meetings, "videoCount", endpoint.name, presenter, presenter_id, fancy)
                print()
                print_leaderboard(meetings, "voiceParticipantCount", endpoint.name, presenter, presenter_id, fancy)
                print()
                print_duration_leaderboard(meetings, endpoint.name, presenter, presenter_id, fancy)
    
    
    def init_config() -> Optional[Config]:
        """
        Read the config either from the servers bigbluebutton.properties-file or from
        the user config path. Display a message if neither of these files exist.
        """
        # Get OS dependend properties file
        user_config_path = click.get_app_dir("bbbmon")
        user_config_path = "{}.properties".format(user_config_path)
    
        # Check if we are on the server and try to read that properties file first
        if os.path.isfile(SERVER_PROPERTIES_FILE):
            return Config().from_server()
        elif os.path.isfile(user_config_path):
            return Config().from_config(user_config_path)
        else:
            print("ERROR: There was no config file found. Make sure it exists and is readable:")
            print("[0] {}".format(SERVER_PROPERTIES_FILE))
            print("[1] {}".format(user_config_path))
            print()
            print("For now the file just needs to contain three lines:")
            print("[myservername]")
            print("securitySalt=YOURSUPERSECRETSECRET")
            print("bigbluebutton.web.serverURL=https://bbb.example.com/")
            print()
            print("(You can define multiple server-blocks however)")
            exit()
    
    
    @click.command()
    @click.option('--endpoint', '-e', multiple=True, help="Filter by one or more endpoints as named in the user configuration. Order is respected.")
    @click.option('--leaderboards/--no-leaderboards', default=True, show_default=True, help="Hide or show the meeting leaderboards")
    @click.option('--participants/--no-participants', default=True, show_default=True, help="Hide or show the participants")
    @click.option('--meetings/--no-meetings', default=True, show_default=True, help="Hide or show the meetings")
    @click.option('--presenter/--no-presenter', default=True, show_default=True, help="Hide or show the presenters")
    @click.option('--presenter-id/--no-presenter-id', default=True, show_default=True, help="Hide or show the presenter IDs")
    @click.option('--fancy/--no-fancy', default=True, show_default=True, help="Use fancy headers")
    def main(leaderboards, participants, presenter, presenter_id, meetings, endpoint, fancy):
        config = init_config()
        config.filter_endpoints(endpoint)
        print_overview(config, leaderboards, participants, presenter, presenter_id, meetings, fancy)
    
    
    if __name__ == "__main__":
        main()