Document local cloud startup and harden persistence

OpenJibo/scripts/cloud/Start-OpenJiboNode.ps1

@@ -0,0 +1,45 @@
+param(
+    [string]$NodeDirectory = "src/Jibo.Cloud/node",
+    [switch]$Install
+)
+
+$ErrorActionPreference = "Stop"
+
+$repoRoot = [System.IO.Path]::GetFullPath((Join-Path $PSScriptRoot "..\.."))
+$resolvedNodeDirectory = [System.IO.Path]::GetFullPath((Join-Path $repoRoot $NodeDirectory))
+$serverPath = Join-Path $resolvedNodeDirectory "open-jibo-link.js"
+$packagePath = Join-Path $resolvedNodeDirectory "package.json"
+$certPath = Join-Path $resolvedNodeDirectory "cert.pem"
+$keyPath = Join-Path $resolvedNodeDirectory "key.pem"
+
+if (-not (Test-Path -LiteralPath $serverPath)) {
+    throw "Could not find Node server at $serverPath"
+}
+
+if (-not (Test-Path -LiteralPath $packagePath)) {
+    throw "Could not find package.json at $packagePath"
+}
+
+if ($Install -or -not (Test-Path -LiteralPath (Join-Path $resolvedNodeDirectory "node_modules"))) {
+    Write-Host "Installing Node dependencies"
+    npm install --prefix $resolvedNodeDirectory
+}
+
+if (-not (Test-Path -LiteralPath $certPath) -or -not (Test-Path -LiteralPath $keyPath)) {
+    Write-Warning "cert.pem and key.pem are not present in $resolvedNodeDirectory."
+    Write-Warning "The Node oracle expects those files because it binds HTTPS on port 443."
+    Write-Warning "Use the same dev certificate material that your controlled Jibo routing already trusts."
+}
+
+Write-Host "Starting OpenJibo Node protocol oracle"
+Write-Host " - directory: $resolvedNodeDirectory"
+Write-Host " - server: $serverPath"
+Write-Host " - port: 443"
+
+Push-Location $resolvedNodeDirectory
+try {
+    node .\open-jibo-link.js
+}
+finally {
+    Pop-Location
+}