upload a vhd to a sig

vhd-to-sig.ps1

$location="eastus"
$galleryName="SigWinTestingImages"
$resourceGroup="annual-channel"
$imageDefinition="capi-windows-annual"
$publisher="sigwincapi"
$offer="annualChannel"
$sku="original"
$storageAccountName="sigwin"
$subscription=""
$storageContainer="annualchvhd"


az storage account create `
    --name $storageAccountName `
    --resource-group $resourceGroup `
    --location $location `
    --sku Standard_LRS `
    --encryption-services blob

az storage container create `
    --account-name $storageAccountName `
    --name $storageContainer `
    --auth-mode login

az storage blob upload `
    --account-name $storageAccountName `
    --container-name $storageContainer `
    --name 23H2_25951.vhd `
    --file 23H2_25951.vhd `
    --auth-mode login

 az sig create --resource-group $resourceGroup --gallery-name $galleryName

az sig image-definition create `
   --resource-group $resourceGroup `
   --gallery-name $galleryName `
   --gallery-image-definition $imageDefinition `
   --publisher $publisher `
   --offer $offer `
   --sku $sku `
   --os-type Windows `
   --os-state generalized

az sig image-version create --resource-group $resourceGroup `
    --gallery-name $galleryName --gallery-image-definition $imageDefinition `
    --gallery-image-version 1.0.0 `
    --os-vhd-storage-account "/subscriptions/$subscription/resourceGroups/$resourceGroup/providers/Microsoft.Storage/storageAccounts/$storageAccountName" `
    --os-vhd-uri "https://$storageAccountName.blob.core.windows.net/$storageContainer/23H2_25951.vhd"

https://gist.github.com/thecloudtaylor/c6b551f24c198ebdaba6d8eca429bae8