feat(telemetry): add portable local telemetry plane

2026-07-28 00:54:11 +03:00
parent 9fc002d86f
commit b8a008b50e
16 changed files with 1486 additions and 0 deletions
@@ -0,0 +1,75 @@
+[CmdletBinding()]
+param(
+    [Parameter(Mandatory = $true)]
+    [string]$ConfigurationTemplate
+)
+
+$ErrorActionPreference = "Stop"
+$serviceName = "telegraf"
+$installRoot = "C:\Program Files\NDC\Mission Core\Telegraf"
+$configurationRoot = "C:\ProgramData\NDC\MissionCore\telemetry-agent"
+$configurationPath = Join-Path $configurationRoot "telegraf.conf"
+$executable = Join-Path $installRoot "telegraf.exe"
+$serviceRegistryPath = "HKLM:\SYSTEM\CurrentControlSet\Services\$serviceName"
+
+$service = Get-Service -Name $serviceName -ErrorAction Stop
+if (-not (Test-Path -LiteralPath $executable -PathType Leaf)) {
+    throw "NDC Mission Core Telegraf executable is missing"
+}
+if (-not (Test-Path -LiteralPath $ConfigurationTemplate -PathType Leaf)) {
+    throw "Configuration template not found: $ConfigurationTemplate"
+}
+
+foreach ($entry in @((Get-ItemProperty -Path $serviceRegistryPath).Environment)) {
+    $name, $value = $entry -split "=", 2
+    if ($name -and $value) {
+        Set-Item -Path "Env:$name" -Value $value
+    }
+}
+
+$temporaryRoot = Join-Path $env:TEMP "ndc-mission-core-telegraf-update-$([Guid]::NewGuid().ToString('N'))"
+$validationOutput = Join-Path $temporaryRoot "validation.out.log"
+$validationError = Join-Path $temporaryRoot "validation.error.log"
+$backupRoot = Join-Path $configurationRoot "backups"
+$backupPath = Join-Path $backupRoot "telegraf-$([DateTime]::UtcNow.ToString('yyyyMMddTHHmmssZ')).conf"
+try {
+    New-Item -ItemType Directory -Path $temporaryRoot, $backupRoot -Force | Out-Null
+    $validation = Start-Process -FilePath $executable `
+        -ArgumentList @("--config", $ConfigurationTemplate, "--test") `
+        -NoNewWindow -Wait -PassThru `
+        -RedirectStandardOutput $validationOutput `
+        -RedirectStandardError $validationError
+    if ($validation.ExitCode -ne 0) {
+        $validationDetail = Get-Content -LiteralPath $validationError -Tail 8 |
+            Out-String
+        throw "Telegraf configuration validation failed: $validationDetail"
+    }
+
+    Copy-Item -LiteralPath $configurationPath -Destination $backupPath
+    Stop-Service -Name $serviceName
+    try {
+        Copy-Item -LiteralPath $ConfigurationTemplate -Destination $configurationPath
+        Start-Service -Name $serviceName
+        $service = Get-Service -Name $serviceName
+        $service.WaitForStatus(
+            [ServiceProcess.ServiceControllerStatus]::Running,
+            [TimeSpan]::FromSeconds(20)
+        )
+    }
+    catch {
+        Copy-Item -LiteralPath $backupPath -Destination $configurationPath
+        Start-Service -Name $serviceName
+        throw
+    }
+
+    [ordered]@{
+        SchemaVersion = "missioncore.telemetry-agent-config-result/v1"
+        ServiceName = $serviceName
+        Status = (Get-Service -Name $serviceName).Status.ToString()
+        Configuration = $configurationPath
+        Backup = $backupPath
+    } | ConvertTo-Json -Compress
+}
+finally {
+    Remove-Item -LiteralPath $temporaryRoot -Recurse -Force -ErrorAction SilentlyContinue
+}