This PowerShell script pretty prints JSON values from a REDIS cache.

CheckJsonValueFromRedis.ps1

# Define redis host & auth credentials
$redisHost = "redis.local"
$redisAuth = "redispwd"

# Define per site variables stored in redis
$sites = @("server-01","server-01")

# Define function to Pretty Print Json (and replace escaped json string)
function CleanJson($data)
{
    return $data -replace '\"','"' | ConvertFrom-Json | ConvertTo-Json
}

# Echo startup time
Write-Output "`n`n`n> Begin value check at $(Get-Date)"

foreach ($site in $sites) {
    # Echo output for each site
    Write-Output "> Checking $site"   
    
    # Check value for sitename_key1 & sitename_key2
    $cmd1 = "& 'C:\Program Files\Redis\redis-cli.exe' -h $redisHost -a $redisAuth get $site" + "_key1"
    $cmd2 = "& 'C:\Program Files\Redis\redis-cli.exe' -h $redisHost -a $redisAuth get $site" + "_key2"
    $otp1=Invoke-Expression $cmd1   
    $otp2=Invoke-Expression $cmd2
    
    # Print key values
    Write-Output $site"_key1: $otp1"
    
    # As key2 value is a JSON payload call CleanJson to unescape & pretty print
    Write-Output $site"_key2: $(CleanJson($otp2))"
}