Update qemu args to use host cpu

Signed-off-by: Koray Oksay <koray.oksay@gmail.com>

Author: koksay

.github/workflows/periodic-build-new-actions-vm.yml

@@ -36,6 +36,7 @@ jobs:
           unzip packer_${{ env.PACKER_VERSION }}_linux_amd64.zip
           sudo mv packer /usr/local/bin/
           rm packer_${{ env.PACKER_VERSION }}_linux_amd64.zip
+          export PACKER_PLUGIN_PATH=/home/ubuntu/.config/packer/plugins
           packer plugins install github.com/hashicorp/oracle
           packer plugins install github.com/hashicorp/qemu
           packer plugins install github.com/hashicorp/azure
@@ -64,7 +65,7 @@ jobs:
           OCI_CLI_REGION: ${{ secrets.OCI_CLI_REGION }}
         run: |
           export PATH=$PATH:$HOME/bin && \
-          export PACKER_PLUGIN_PATH=$HOME/.config/packer/plugins && \
+          export PACKER_PLUGIN_PATH=/home/ubuntu/.config/packer/plugins && \
           cd ci/gha-runner-vm && \
           PACKER_LOG=1 GITHUB_PERIODIC=true go run main.go \
             --isoURL https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img \

ci/gha-runner-vm/main.go

@@ -554,7 +554,7 @@ source "qemu" "img" {
 	efi_boot             = var.architecture == "arm64" ? true : false
 	efi_firmware_code    = var.architecture == "arm64" ? "/usr/share/AAVMF/AAVMF_CODE.fd" : ""
 	efi_firmware_vars    = var.architecture == "arm64" ? "/usr/share/AAVMF/AAVMF_VARS.fd" : ""
-	qemuargs             = [["-machine", "virt"], ["-cpu", "host"], ["-accel", "kvm"]]
+	qemuargs             = var.architecture == "arm64" ? [["-machine", "virt"], ["-cpu", "host"], ["-accel", "kvm"]] : [["-cpu", "host"]]
 	vm_name              = "image.raw"
 	cd_files             = ["./cloud-init/*"]
 	cd_label             = "cidata"