File size: 11,095 Bytes
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param(
[int]$Port = 8091,
[int]$Context = 131072,
[switch]$InstallOnly,
[switch]$NoBrowser,
[switch]$HiddenServer
)
$ErrorActionPreference = 'Stop'
$ProgressPreference = 'Continue'
$Package = $PSScriptRoot
$ModelDir = Join-Path $Package 'llama-model'
$BaseModel = Join-Path $ModelDir 'anru-gemma4-12b-base-Q5_K_M.gguf'
$LoraModel = Join-Path $ModelDir 'anru-final-lora-Q8_0.gguf'
$ChatTemplate = Join-Path $ModelDir 'chat_template.prompt30k.jinja'
$UiConfig = Join-Path $ModelDir 'ui-config.json'
$RuntimeManifest = Join-Path $Package 'llama-runtime-state.json'
$ModelVerification = Join-Path $ModelDir 'model-verification.json'
function Get-LlamaServer {
$Candidates = @(Get-ChildItem -LiteralPath $Package -Directory -Filter 'llama-runtime*' -ErrorAction SilentlyContinue |
Sort-Object @{ Expression = { if ($_.Name -eq 'llama-runtime') { 0 } else { 1 } } }, Name)
foreach ($Directory in $Candidates) {
$Found = Get-ChildItem -LiteralPath $Directory.FullName -Recurse -File -Filter 'llama-server.exe' -ErrorAction SilentlyContinue |
Select-Object -First 1
if ($Found) { return $Found.FullName }
}
return $null
}
function Install-LlamaRuntime {
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
Write-Host '[bootstrap] llama.cpp runtime is missing; resolving the latest official Windows release...'
$Headers = @{ 'User-Agent' = 'Anru-Llama-Bootstrap' }
$Release = Invoke-RestMethod -Uri 'https://api.github.com/repos/ggml-org/llama.cpp/releases/latest' `
-Headers $Headers -TimeoutSec 60
$GpuName = ''
$Nvidia = Get-Command 'nvidia-smi.exe' -ErrorAction SilentlyContinue
if ($Nvidia) {
$GpuName = (& $Nvidia.Source --query-gpu=name --format=csv,noheader 2>$null | Select-Object -First 1).Trim()
}
$Assets = @()
if ($GpuName) {
$CudaFlavor = if ($GpuName -match '(?i)RTX\s*50\d\d|Blackwell') { '13.3' } else { '12.4' }
$Main = $Release.assets | Where-Object { $_.name -match "^llama-.*-bin-win-cuda-$([regex]::Escape($CudaFlavor))-x64\.zip$" } | Select-Object -First 1
$Cuda = $Release.assets | Where-Object { $_.name -eq "cudart-llama-bin-win-cuda-$CudaFlavor-x64.zip" } | Select-Object -First 1
if (-not $Main -or -not $Cuda) { throw "No matching CUDA $CudaFlavor Windows assets in release $($Release.tag_name)" }
$Assets = @($Main, $Cuda)
Write-Host "[bootstrap] detected $GpuName; installing CUDA $CudaFlavor build $($Release.tag_name)."
} else {
$Main = $Release.assets | Where-Object { $_.name -match '^llama-.*-bin-win-cpu-x64\.zip$' } | Select-Object -First 1
if (-not $Main) { throw "No Windows CPU asset in release $($Release.tag_name)" }
$Assets = @($Main)
Write-Host "[bootstrap] NVIDIA GPU not detected; installing CPU build $($Release.tag_name)."
}
$TempRoot = Join-Path ([IO.Path]::GetTempPath()) ("AnruLlamaBootstrap-" + [guid]::NewGuid().ToString('N'))
$RuntimeDir = Join-Path $Package 'llama-runtime'
if (Test-Path -LiteralPath $RuntimeDir) {
$RuntimeDir = Join-Path $Package ("llama-runtime-" + $Release.tag_name)
}
New-Item -ItemType Directory -Path $TempRoot, $RuntimeDir -Force | Out-Null
try {
$Index = 0
$InstalledAssets = @()
foreach ($Asset in $Assets) {
$Index++
$Zip = Join-Path $TempRoot $Asset.name
$Extract = Join-Path $TempRoot ("extract-$Index")
Write-Host "[bootstrap] downloading $($Asset.name) ($([math]::Round($Asset.size / 1MB, 1)) MiB)..."
Invoke-WebRequest -Uri $Asset.browser_download_url -Headers $Headers -OutFile $Zip -UseBasicParsing -TimeoutSec 1800
if ($Asset.digest -and $Asset.digest -match '^sha256:(.+)$') {
$Actual = (Get-FileHash -Algorithm SHA256 -LiteralPath $Zip).Hash
if ($Actual -ne $Matches[1].ToUpperInvariant()) { throw "Download checksum mismatch: $($Asset.name)" }
}
Expand-Archive -LiteralPath $Zip -DestinationPath $Extract -Force
foreach ($File in Get-ChildItem -LiteralPath $Extract -Recurse -File) {
Copy-Item -LiteralPath $File.FullName -Destination (Join-Path $RuntimeDir $File.Name) -Force
}
$InstalledAssets += [ordered]@{ name = $Asset.name; bytes = [long]$Asset.size; digest = $Asset.digest }
}
$Server = Get-ChildItem -LiteralPath $RuntimeDir -Recurse -File -Filter 'llama-server.exe' | Select-Object -First 1
if (-not $Server) { throw 'Downloaded runtime does not contain llama-server.exe' }
[ordered]@{
state = 'installed'
release = [string]$Release.tag_name
gpu = $GpuName
installed_at = (Get-Date).ToUniversalTime().ToString('o')
runtime = $RuntimeDir
server = $Server.FullName
assets = $InstalledAssets
} | ConvertTo-Json -Depth 8 | Set-Content -LiteralPath $RuntimeManifest -Encoding UTF8
Write-Host "[bootstrap] runtime installed at $RuntimeDir"
} finally {
$ResolvedTemp = [IO.Path]::GetFullPath($TempRoot)
$SystemTemp = [IO.Path]::GetFullPath([IO.Path]::GetTempPath())
if ($ResolvedTemp.StartsWith($SystemTemp, [StringComparison]::OrdinalIgnoreCase) -and
(Test-Path -LiteralPath $ResolvedTemp)) {
Remove-Item -LiteralPath $ResolvedTemp -Recurse -Force -ErrorAction SilentlyContinue
}
}
}
$Server = Get-LlamaServer
if (-not $Server) {
Install-LlamaRuntime
$Server = Get-LlamaServer
}
if (-not $Server) { throw 'llama-server.exe is still missing after installation' }
if ($InstallOnly) {
[ordered]@{ state = 'installed'; server = $Server } | ConvertTo-Json
exit 0
}
foreach ($Required in @($BaseModel, $LoraModel, $ChatTemplate, $UiConfig)) {
if (-not (Test-Path -LiteralPath $Required -PathType Leaf)) { throw "Missing packaged Llama artifact: $Required" }
}
if ((Get-Item -LiteralPath $BaseModel).Length -ne 8547249568) { throw 'Packaged Q5 model size mismatch' }
if ((Get-Item -LiteralPath $LoraModel).Length -ne 51682496) { throw 'Packaged Q8 LoRA size mismatch' }
$NeedModelHash = $true
if (Test-Path -LiteralPath $ModelVerification) {
try {
$Verified = Get-Content -LiteralPath $ModelVerification -Raw | ConvertFrom-Json
$NeedModelHash = -not ($Verified.state -eq 'passed' -and
$Verified.base_sha256 -eq '057C364366301EE285E9026ECF417AAE36F4447D5D9CBBC3591447A9FC77A752' -and
$Verified.lora_sha256 -eq '3A5060E1CC0C8D4609052EF04A5A60770A64D566E2544B65F6D28F2BA6542037')
} catch { $NeedModelHash = $true }
}
if ($NeedModelHash) {
Write-Host '[bootstrap] verifying packaged GGUF model checksums (first launch only)...'
$BaseHash = (Get-FileHash -Algorithm SHA256 -LiteralPath $BaseModel).Hash
$LoraHash = (Get-FileHash -Algorithm SHA256 -LiteralPath $LoraModel).Hash
if ($BaseHash -ne '057C364366301EE285E9026ECF417AAE36F4447D5D9CBBC3591447A9FC77A752') { throw 'Q5 model checksum mismatch' }
if ($LoraHash -ne '3A5060E1CC0C8D4609052EF04A5A60770A64D566E2544B65F6D28F2BA6542037') { throw 'Q8 LoRA checksum mismatch' }
[ordered]@{ state = 'passed'; base_sha256 = $BaseHash; lora_sha256 = $LoraHash; verified_at = (Get-Date).ToUniversalTime().ToString('o') } |
ConvertTo-Json | Set-Content -LiteralPath $ModelVerification -Encoding UTF8
}
$Listener = Get-NetTCPConnection -State Listen -LocalPort $Port -ErrorAction SilentlyContinue | Select-Object -First 1
if ($Listener) {
$Owner = Get-CimInstance Win32_Process -Filter "ProcessId=$($Listener.OwningProcess)"
$KnownRuntime = $Owner.Name -eq 'llama-server.exe'
$KnownNative = $Owner.Name -eq 'python.exe' -and $Owner.CommandLine -like '*anru-gemma4-12b-native-multimodal-release*serve.py*'
if ($KnownRuntime -or $KnownNative) {
Write-Host "[bootstrap] stopping the previous local model service on port $Port (PID $($Listener.OwningProcess))..."
Stop-Process -Id $Listener.OwningProcess -Force
Wait-Process -Id $Listener.OwningProcess -Timeout 30 -ErrorAction SilentlyContinue
Start-Sleep -Seconds 2
} else {
throw "Port $Port is occupied by $($Owner.Name) (PID $($Listener.OwningProcess))"
}
}
$Alias = 'anru-gemma4-12b-q5-lora045-prompt30k'
$RuntimeDir = Split-Path -Parent $Server
$BaseForRuntime = '..\llama-model\anru-gemma4-12b-base-Q5_K_M.gguf'
$LoraForRuntime = '..\llama-model\anru-final-lora-Q8_0.gguf'
$TemplateForRuntime = '..\llama-model\chat_template.prompt30k.jinja'
$UiForRuntime = '..\llama-model\ui-config.json'
$Arguments = @(
'-m', $BaseForRuntime,
'--lora-scaled', ('{0}:0.45' -f $LoraForRuntime),
'--chat-template-file', $TemplateForRuntime,
'--ui-config-file', $UiForRuntime,
'-ngl', '99',
'-c', "$Context",
'-fa', 'on',
'-ctk', 'q8_0',
'-ctv', 'q8_0',
'-b', '1024',
'-ub', '256',
'-np', '1',
'--host', '127.0.0.1',
'--port', "$Port",
'--metrics',
'--jinja',
'--webui',
'--alias', $Alias
)
$Stdout = Join-Path $Package 'llama-server.stdout.log'
$Stderr = Join-Path $Package 'llama-server.stderr.log'
Write-Host "[bootstrap] starting llama-server with $Context-token context and LoRA scale 0.45..."
if ($HiddenServer) {
$Process = Start-Process -FilePath $Server -ArgumentList $Arguments -WorkingDirectory $RuntimeDir `
-WindowStyle Hidden -RedirectStandardOutput $Stdout -RedirectStandardError $Stderr -PassThru
} else {
$Process = Start-Process -FilePath $Server -ArgumentList $Arguments -WorkingDirectory $RuntimeDir `
-WindowStyle Normal -PassThru
}
$Health = $null
$Deadline = (Get-Date).AddMinutes(10)
do {
Start-Sleep -Seconds 2
try { $Health = Invoke-RestMethod -Uri "http://127.0.0.1:$Port/health" -TimeoutSec 3 } catch { $Health = $null }
if ($Process.HasExited -and $Health.status -ne 'ok') {
$Tail = if (Test-Path -LiteralPath $Stderr) { (Get-Content -LiteralPath $Stderr -Tail 120) -join "`n" } else { '' }
throw "llama-server exited during startup (code $($Process.ExitCode))`n$Tail"
}
} until (($Health.status -eq 'ok') -or ((Get-Date) -ge $Deadline))
if ($Health.status -ne 'ok') { throw 'llama-server readiness timeout' }
$State = [ordered]@{
state = 'healthy'
pid = $Process.Id
endpoint = "http://127.0.0.1:$Port"
model = $Alias
context_tokens = $Context
lora_scale = 0.45
prompt = 'embedded 30k constitution in chat_template.prompt30k.jinja'
prompt_sha256 = '5591AC2C99FDC6C8E21D1D3B87625BB368204548BEC7B63C3FD6598CF23639BF'
runtime = $Server
started_at = (Get-Date).ToUniversalTime().ToString('o')
}
$State | ConvertTo-Json -Depth 6 | Set-Content -LiteralPath (Join-Path $Package 'llama-service-state.json') -Encoding UTF8
Write-Host "[bootstrap] ready: http://127.0.0.1:$Port"
if (-not $NoBrowser) { Start-Process "http://127.0.0.1:$Port" }
$State | ConvertTo-Json -Depth 6
|