dynabot.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import time
import requests
import requests
from requests.auth import HTTPBasicAuth
from slackclient import SlackClient
import dynatrace
import dashboards

# Dynatrace Bot's ID as an environment variable
BOT_ID = os.environ.get("BOT_ID")

# constants
AT_BOT = "<@" + BOT_ID + ">"

# instantiate Slack client
slack_client = SlackClient(os.environ.get('SLACK_BOT_TOKEN'))

def handle_command(command, channel):
    """
        Receives commands directed at the bot and determines if they
        are valid commands. If so, then acts on the commands. If not,
        returns back what it needs for clarification.
    """

    response = "I'm not sure what you mean. Can you try again? Here's a list of available options:```"+str(dashboards.dashboards.keys())+'```'

    for dash in dashboards.dashboards.keys():
        if dash in command.lower():
            data = dashboards.dashboards[dash]['function'](dashboards.dashboards[dash]['name'],dashboards.dashboards[dash]['timeframe'])
            response = '```'+data+'```'
            break

    slack_client.api_call("chat.postMessage", channel=channel,
                          text=response, as_user=True)


def parse_slack_output(slack_rtm_output):
    """
        The Slack Real Time Messaging API is an events firehose.
        this parsing function returns None unless a message is
        directed at the Bot, based on its ID.
    """
    output_list = slack_rtm_output
    if output_list and len(output_list) > 0:
        for output in output_list:
            if output and 'text' in output and AT_BOT in output['text']:
                # return text after the @ mention, whitespace removed
                return output['text'].split(AT_BOT)[1].strip().lower(), \
                       output['channel']
    return None, None

if __name__ == "__main__":
    READ_WEBSOCKET_DELAY = 1 # 1 second delay between reading from firehose
    if slack_client.rtm_connect():
        print("Dynatrace Bot connected and running!")
        while True:
            command, channel = parse_slack_output(slack_client.rtm_read())
            if command and channel:
                handle_command(command, channel)
            time.sleep(READ_WEBSOCKET_DELAY)
    else:
        print("Connection failed. Invalid Slack token or bot ID?")