resetIISBindings.ps1

cls
##CONFIG##
$OctopusAPIkey = "" #Octopus API Key
$OctopusURL = "" #Octopus root url
$projectName = ""


##PROCESS##
$goodBinding = '[{"protocol":"http","port":"80","host":"","thumbprint":null,"certificateVariable":null,"requireSni":false,"enabled":true}]'
$badBinding = '[]'
$header = @{ "X-Octopus-ApiKey" = $octopusAPIKey }

$allprojects = (Invoke-WebRequest $OctopusURL/api/projects/all -Headers $header).content | ConvertFrom-Json

$project = $allprojects | ?{$_.Name -eq $projectName}

$deploymentProcess = (Invoke-WebRequest ($OctopusURL + $project.links.DeploymentProcess) -Headers $header).content | ConvertFrom-Json 
    
foreach($step in $deploymentProcess.Steps){
    foreach($action in $step.Actions){
        if($action.Properties.'Octopus.Action.IISWebSite.Bindings' -eq $badBinding){
            "step $($action.Name) has bad bindings"
            $action.Properties.'Octopus.Action.IISWebSite.Bindings' = $goodBinding
        }
        else{
            "Step [$($step.Name)] is not a bad iis step"
        }
    }
}

$fixedDeploymentProcessJSON = $deploymentProcess | ConvertTo-Json -Depth 5
Invoke-WebRequest ($OctopusURL + $deploymentProcess.Links.Self) -Headers $header -Body $fixedDeploymentProcessJSON -Method Put