PowerShell script that maintains a RightScale MCI based on parameter inputs.

Update-RigthScaleMCISettings.ps1

[CmdletBinding()]
param(
    [Parameter(Mandatory=$true)]
    $rsRefreshToken,
    [Parameter(Mandatory=$true)]
    $rsAccount,
    [Parameter(Mandatory=$true)]
    $rsEndpoint,
    [Parameter(Mandatory=$true)]
    $rsMCIName,
    [Parameter(Mandatory=$true)]
    $cloudType,
    [Parameter(Mandatory=$true)]
    $cloudName,
    [Parameter(Mandatory=$true)]
    $imageId,
    [Parameter(Mandatory=$true)]
    $instanceTypeName
)

$cloud = rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken cm15 index /api/clouds "filter[]=name==$cloudName" "filter[]=cloud_type==$cloudType" | ConvertFrom-Json
if(!$cloud) {
    Write-Output "Error! Cloud with type '$cloudType' and name '$cloudName' not found!"
}
else {
    $cloudHref = $cloud.links | Where-Object {$_.rel -eq "self"} | Select-Object -ExpandProperty href
    $image = rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken cm15 index $cloudHref/images "filter[]=resource_uid==$imageId" | ConvertFrom-Json
    if(!$image) {
        Write-Output "Error! Image with resource_uid '$imageId' not found!"
    }
    else {
        $imageHref = $image.links | Where-Object {$_.rel -eq "self"} | Select-Object -ExpandProperty href
        $mci = rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken cm15 index /api/multi_cloud_images "filter[]=name==$rsMCIName" | convertFrom-Json
        if(!$mci) {
            Write-Output "MCI does not exist. Creating..."
            $mciHref = $(rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken --xh=Location cm15 create /api/multi_cloud_images "multi_cloud_image[description]=$rsMCIName" "multi_cloud_image[name]=$rsMCIName")

            # Tag the MCI for RightLink 10 Install at Boot 
            # Linux: https://docs.rightscale.com/rl10/reference/10.6.2/rl10_install_at_boot.html
            # Windows: https://docs.rightscale.com/rl10/reference/10.6.2/rl10_install_at_boot_windows.html
            if($rsMCIName -like "*Windows*") {
                Write-Output "Using RL10 Windows tags"
                $rsRL10Tag = "rs_agent:powershell_url=https://rightlink.rightscale.com/rll/10.6.2/rightlink.boot.ps1"
            }
            elseif($rsMCIName -like "*Linux*") {
                Write-Output "Using RL10 Linux tags"
                $rsRL10Tag = "rs_agent:mime_shellscript=https://rightlink.rightscale.com/rll/10.6.2/rightlink.boot.sh"   
            }
            Write-Output "Tagging MCI..."
            rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken cm15 multi_add /api/tags/multi_add "resource_hrefs[]=$mciHref" "tags[]=rs_agent:type=right_link_lite" "tags[]=$rsRL10Tag"

            # Get default instance type
            $instanceType = rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken cm15 index $cloudHref/instance_types "filter[]=name==$instanceTypeName" | ConvertFrom-Json
            if(!$instanceType) {
                Write-Output "Instance type with name '$instanceTypeName' not found!"
            }
            else {
                Write-Output "Creating MCI settings..."
                $instanceTypeHref = $instanceType.links | Where-Object {$_.rel -eq "self"} | Select-Object -ExpandProperty href
                rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken cm15 create $mciHref/settings "multi_cloud_image_setting[cloud_href]=$cloudHref" "multi_cloud_image_setting[image_href]=$imageHref" "multi_cloud_image_setting[instance_type_href]=$instanceTypeHref"    
            }
        }
        else {
            # Look for existing MCI settings
            $mciHref = $mci.links | Where-Object {$_.rel -eq "self"} | Select-Object -ExpandProperty href
            $mciSettings = rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken cm15 index $mciHref/settings "filter[]=cloud_href==$cloudHref" | convertFrom-Json
            if(!$mciSettings) {
                Write-Output "MCI settings for cloud '$cloudName' not found!"

                # Get default instance type
                $instanceType = rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken cm15 index $cloudHref/instance_types "filter[]=name==$instanceTypeName" | ConvertFrom-Json
                if(!$instanceType) {
                    Write-Output "Instance type with name '$instanceTypeName' not found!"
                }
                else {
                    Write-Output "Creating MCI settings..."
                    $instanceTypeHref = $instanceType.links | Where-Object {$_.rel -eq "self"} | Select-Object -ExpandProperty href
                    rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken cm15 create $mciHref/settings "multi_cloud_image_setting[cloud_href]=$cloudHref" "multi_cloud_image_setting[image_href]=$imageHref" "multi_cloud_image_setting[instance_type_href]=$instanceTypeHref"    
                }
            }
            else {
                Write-Output "Updating MCI settings..."
                $mciSettingsHref = $mciSettings.links | Where-Object {$_.rel -eq "self"} | Select-Object -ExpandProperty href
                rsc --account=$rsAccount --host=$rsEndpoint --refreshToken=$rsRefreshToken cm15 update $mciSettingsHref "multi_cloud_image_setting[image_href]=$imageHref"
            }
        }
    }
}