Pscore snippet checking to see if a secret exists in azure keyvault

CheckIfSecretExists.ps1

# check to see if secret exists in keyvault, otherwise throw error
$SecretName = "HttpClientConfiguration--ApiKey"
$doesExist=$(az keyvault secret show `
    --vault-name $KeyVaultName `
    --name $SecretName `
    --query id -o tsv)
if ($doesExist) {
    echo "Secret '$SecretName' found in vault '$KeyVaultName' OK"
} else {
    echo "Expecting secret '$SecretName' to be in vault '$KeyVaultName'"
    exit 1
}