Script to retrieve information about a specific PagerDuty schedule

get_schedule.rb

#!/usr/bin/env ruby
#
# Copyright (c) 2016, PagerDuty, Inc. <info@pagerduty.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of PagerDuty Inc nor the
#       names of its contributors may be used to endorse or promote products
#       derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL PAGERDUTY INC BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Script to retrieve information about a specific schedule
# CLI Usage: ./get_schedule api_key schedule_id [since] [until] [time_zone]
#   api_key: PagerDuty API access token
#   service_id: Unique ID for the service you want to pull
#   since: Start date of incidents you want to pull in YYYY-MM-DD format
#   until: End date of incidents you want to pull in YYYY-MM-DD format
#   time_zone: Time zone the data will be returned in

require 'json'
require 'date'

endpoint = "https://api.pagerduty.com/schedules/"

def curl_command_string(api_key, endpoint, schedule_id, start='2009-01-01', stop=DateTime.now.to_s, time_zone='UTC')
  curl_command = 'curl -H "Accept: application/vnd.pagerduty+json;version=2" -H "Authorization: Token token=' + api_key + '" -X GET -G \
  --data-urlencode "since=' + start + '" \
  --data-urlencode "until=' + stop + '" \
  --data-urlencode "time_zone=' + time_zone + '" \
  "' + endpoint + schedule_id + '"'
end

def print_results(curl_get_all)
  IO.popen(curl_get_all).each do |line|
    parsed = JSON.parse(line)
    puts parsed
  end
end

if !ARGV[0]
  puts "Error: You did not enter any parameters"
  puts "Usage: ./get_schedule api_key schedule_id [since] [until] [time_zone]"
  puts "\tapi_key: PagerDuty API access token"
  puts "\tservice_id: Unique ID for the service you want to pull"
  puts "\tsince: Start date of incidents you want to pull in YYYY-MM-DD format"
  puts "\tuntil: End date of incidents you want to pull in YYYY-MM-DD format"
  puts "\ttime_zone: Time zone the data will be returned in"
elsif !ARGV[1]
  puts "Error: You did not enter a schedule_id"
  puts "Usage: ./get_schedule api_key schedule_id [since] [until] [time_zone]"
  puts "\tapi_key: PagerDuty API access token"
  puts "\tservice_id: Unique ID for the service you want to pull"
  puts "\tsince: Start date of incidents you want to pull in YYYY-MM-DD format"
  puts "\tuntil: End date of incidents you want to pull in YYYY-MM-DD format"
  puts "\ttime_zone: Time zone the data will be returned in"
elsif !ARGV[2]
  r = curl_command_string(ARGV[0], endpoint, ARGV[1])
  print_results(r)
elsif !ARGV[3]
  r = curl_command_string(ARGV[0], endpoint, ARGV[1], ARGV[2])
  print_results(r)
elsif !ARGV[4]
  r = curl_command_string(ARGV[0], endpoint, ARGV[1], ARGV[2], ARGV[3])
  print_results(r)
else
  r = curl_command_string(ARGV[0], endpoint, ARGV[1], ARGV[2], ARGV[3], ARGV[4])
  print_results(r)
end