Updates Slack and a CachetHQ Dashboard with Office365 Service Statuses

update365ServiceStatustoSlackAndCachetHQ.ps1

param(
    [Parameter(Mandatory=$True)][System.Management.Automation.CredentialAttribute()]$cred,
    [Parameter(Mandatory=$True)]$cachetToken,
    [Parameter(Mandatory=$True)]$slackWebhookURL
)

$DebugPreference = 'Continue'

Import-Module O365ServiceCommunications

$cachetBaseURL = 'https://status.yourdomain.com'

$session = New-SCSession -Credential $cred -Local en-US

#statusID 1 = operational, 3 = partial outage
function Update-CachetStatus($appID, $statusID) {
   $headers = @{}
   $headers.Add("X-Cachet-Token",$cachetToken)
      
   $statusJSON = '{ "status" : ' + $statusID + ' }'
      
   $res = Invoke-WebRequest "$($cachetBaseURL)/api/v1/components/$($appID)" -UseBasicParsing -ContentType "application/json" -Method PUT -Body $statusJSON -Headers $headers
}

function Get-365SystemsInOutage() {
   #get all open incidents
   $outages = get-SCEvent -SCSession $session -EventTypes Incident
   
   return $outages
}

function Get-AppIDfromName($name) {
   #get the cachet app id for the item in outage
   $urlencodeName = [uri]::EscapeDataString($name)
   $url = "$($cachetBaseURL)/api/v1/components/?name=$($urlencodeName)"
   $res = Invoke-WebRequest $url -UseBasicParsing
	  
   $data = $res.Content | ConvertFrom-JsonNewtonSoft
   $appID = $data.data.id
   return $appID
}

function Get-IncidentTitle($message) {
   #use regex to find the title
   $regexTitle = "^Title: (.+)"
   $message -match $regexTitle | Out-Null
   $outageTitle = $($Matches[0])
   
   return $outageTitle
}

function Get-IncidentUserimpact($message) {
   #use regex to find the user impact
   $regexUserImpact = "User Impact: (.+)"
   $message -match $regexUserImpact | Out-Null
   $outageUserImpact = $Matches[0]
   
   return $outageUserImpact
}

function Update-Cachet($url, $json, $method) {
   $headers = @{}
   $headers.Add("X-Cachet-Token",'PPywmI0QUDiITJWc22Hg')

   $res = Invoke-WebRequest $url -UseBasicParsing -ContentType "application/json" -Method $method -Body $json -Headers $headers
}

function Update-SystemsWithIssues() {
   Write-Debug "----- Update-SystemsWithIssues -----"
   $outages = Get-365SystemsInOutage
   
   #get the existing incidents
   $incidents = Invoke-WebRequest "$($cachetBaseURL)/api/v1/incidents" -UseBasicParsing
   $incidentData = ($incidents.Content | ConvertFrom-JsonNewtonSoft).data
   
   foreach ($o in $outages) {
      $incidentID = $o.ID
      $matchingIncident = $incidentData | Where-Object {$_.Name -Like "$($incidentID)*"}
      
      #get appid from the outage
      $appID = Get-AppIDfromName -Name $o.affectedservicehealthstatus.servicename
      
      #get the last message from the outage
      $lastMessage = $o.messages.length-1
      $incidentTitle = Get-IncidentTitle -Message $o.messages[$lastMessage].messagetext
      $incidentFinalTitle = "$($o.ID) - $($incidentTitle)"
      $incidentUserImpact = Get-IncidentUserimpact -Message $o.messages[$lastMessage].messagetext

      if (-not $o.EndTime) {
         #outage is still going on
         if ($matchingIncident) {
            #see if the title and user impact match - if they don't, we need to update our incident
            if ($matchingIncident.name -eq $incidentFinalTitle -AND $matchingIncident.message -eq $incidentUserImpact) {
               Write-Debug "$($o.ID) - Incident title and user impact is the same. Not updating..."
            } else {
               Write-Debug "$($o.ID) - Updating incident title and user impact..."
               $JSON = '{ "status" : 2, "name" : "' + $incidentFinalTitle + '", "message" : "' + $incidentUserImpact + '", "visible" : 1, "component_id" : ' + $appID + ', "component_status" : 3 }'
               Update-Cachet -URL "$($cachetBaseURL)/api/v1/incidents/$($matchingIncident.ID)" -Json $JSON -Method Put
            }
         } else {
            Write-Debug "$($o.ID) - Incident does not exist. Needs to be created."
         
            $JSON = '{ "status" : 2, "name" : "' + $incidentFinalTitle + '", "message" : "' + $incidentUserImpact + '", "visible" : 1, "component_id" : ' + $appID + ', "component_status" : 3 }'
            Update-Cachet -URL "$($cachetBaseURL)/api/v1/incidents" -Json $JSON -Method Post
            
            #update Slack
            $body = @{ text = "$($o.affectedservicehealthstatus.servicename) has transitioned to Partial Outage." }
            Invoke-WebRequest -Method Post -Body (ConvertTo-Json $body) -Uri $slackWebhookURL -UseBasicParsing
         }
      } else {
         #outage has ended
         if ($matchingIncident) {
            Write-Debug "$($o.ID) - Incident exists and is over. Check to see if it needs to be updated to close the incident"
            if ($matchingIncident.name -eq $incidentFinalTitle -AND $matchingIncident.message -eq $incidentUserImpact -AND $matchingIncident.status -eq '4') {
               Write-Debug "--- Incident is already updated. Not updating."
            } else {
               Write-Debug "--- Updating status..."
               $JSON = '{ "status" : 4, "name" : "' + $incidentFinalTitle + '", "message" : "' + $incidentUserImpact + '", "visible" : 1, "component_id" : ' + $appID + ', "component_status" : 1 }'
               Update-Cachet -URL "$($cachetBaseURL)/api/v1/incidents/$($matchingIncident.ID)" -Json $JSON -Method Put
               
               #update Slack
               $body = @{ text = "$($o.affectedservicehealthstatus.servicename) has transitioned from Partial Outage to Operational." }
               Invoke-WebRequest -Method Post -Body (ConvertTo-Json $body) -Uri $slackWebhookURL -UseBasicParsing
            }
         }
      }
   }
}
         
Update-SystemsWithIssues