Script to import users from Active Directory into PagerDuty

import_users_from_ad.ps1

# Copyright (c) 2016, PagerDuty, Inc. <[email protected]>
# 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.
#
# Import users from Active Directory to PagerDuty
# Requires Windows Server 2008 R2
# Users should be members of a security group named "pagerduty"

Import-Module activedirectory

# Import users via the PD API
function POST_Request ($url, $parameters, $api_key, $requester_email) {
    $http_request = New-Object -ComObject Msxml2.XMLHTTP
    $http_request.open('POST', $url, $false)
    $http_request.setRequestHeader("Content-type", "application/json")
    $http_request.setRequestHeader("Accept", "application/vnd.pagerduty+json;version=2")
    $http_request.setRequestHeader("From", $requester_email)
    $token = "Token token=" + $api_key
    $http_request.setRequestHeader("Authorization", $token)
    $http_request.setRequestHeader("Content-length", $parameters.length)
    $http_request.setRequestHeader("Connection", "close")
    $http_request.send($parameters)
    $http_request.statusText
}

# Pull all users from the pagerduty group within Active Directory
Get-ADGroup "pagerduty" | % {
    $users = "Name,Email`r`n";
    $_ | Get-ADGroupMember | % {
        $user = Get-ADUser $_ -Properties *
        $users += $user.Name + "," + $user.EmailAddress + "`r`n"
    }
}

# Get the authentication information and add each users via POST_Request
$api_key = Read-Host "Enter API key"
$requester_email = Read-Host "Enter your PagerDuty email address here"
$url = "https://api.pagerduty.com/users"
$parameters = New-Object Collections.Specialized.NameValueCollection;
$users = ConvertFrom-Csv $users
$users | % {
    Write-Host "Importing user:" $_.Name
    $parameters = "{`"user`":{`"name`":`"" + $_.Name + "`",`"email`":`"" + $_.Email + "`"}}"
    POST_Request $url $parameters $api_key $requester_email
}