NTNX-Clusters-Hibernate-v1.ps1

# Client credentials
# client_id from the user from the clusters portal
# User created in clusters portal as Organization Administrator
$clientId = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.img.frame.nutanix.com"
$clientSecret = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
$cluster_id ="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" 


# Generate HTTP Header Information
$timestamp = [int](Get-Date -UFormat %s)
$toSign = "$timestamp$clientId"

$hmac = new-object System.Security.Cryptography.HMACSHA256
$hmac.Key = [Text.Encoding]::ASCII.GetBytes($clientSecret)
$signature = $hmac.ComputeHash([Text.Encoding]::ASCII.GetBytes($toSign))
$signature = [System.BitConverter]::ToString($signature)
$signature = [System.Text.RegularExpressions.Regex]::Replace($signature, "-", "").ToLower()
$stringTime = [string]($timestamp)

# Create Header
$headers = @{}
$headers.Add("X-Frame-ClientId", $clientId)
$headers.Add("X-Frame-Timestamp", $stringTime)
$headers.Add("X-Frame-Signature", $signature)

# Create Request Variables
$domain = "https://api-gateway-prod.frame.nutanix.com"
$uri = $domain + "/v1/clusters/" + $cluster_id + "/hibernate"
$body = ""

# Invoke REST API
Invoke-WebRequest -Method Post -Uri $uri -Headers $Headers -ContentType "application/json" -Body $body