From 138c4f7d7e28237c8b3209001f8da8ec128fd8b8 Mon Sep 17 00:00:00 2001
From: "Andreas B. Mundt" <andreas.mundt@steinbeisschule-reutlingen.de>
Date: Thu, 25 Jan 2024 10:47:49 +0100
Subject: [PATCH] Simplify netboot VM start by script.

---
 roles/lmn_vm/files/vm-netboot | 24 ++++++++++++++++++++++++
 roles/lmn_vm/tasks/main.yml   | 14 ++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100755 roles/lmn_vm/files/vm-netboot

diff --git a/roles/lmn_vm/files/vm-netboot b/roles/lmn_vm/files/vm-netboot
new file mode 100755
index 0000000..2b18831
--- /dev/null
+++ b/roles/lmn_vm/files/vm-netboot
@@ -0,0 +1,24 @@
+#!/usr/bin/bash
+#
+# Start a netboot VM
+#
+set -eu
+
+if [[ $# -eq 0 ]] ; then
+    arg="--memory 4096 --vcpu 4"
+fi
+
+# find macvtap interface MAC address:
+MAC="$(ip link | grep -A1 "vm-macvtap" | \
+	  sed -nE "s%\s+link/ether ([[:xdigit:]:]{17}) .+%\1%p")"
+
+XDG_CONFIG_HOME="/tmp/${UID}/.config" \
+	       exec virt-install \
+               --name bookworm \
+               --osinfo debiantesting \
+               --nodisks --import \
+               --pxe --boot loader=/usr/share/OVMF/OVMF_CODE_4M.fd,\
+loader.readonly=yes,loader.type=pflash,\
+nvram.template=/usr/share/OVMF/OVMF_VARS_4M.fd \
+               --network type=ethernet,mac=${MAC},\
+target.dev=vm-macvtap,xpath1.set=./target/@managed=no $@ ${arg:-}
diff --git a/roles/lmn_vm/tasks/main.yml b/roles/lmn_vm/tasks/main.yml
index 46f0c20..8681ffe 100644
--- a/roles/lmn_vm/tasks/main.yml
+++ b/roles/lmn_vm/tasks/main.yml
@@ -247,3 +247,17 @@
   command: sudo -u lmnsynci /usr/local/bin/sync-vm.sh -t
   register: result
   changed_when: result.stdout | length > 0
+
+- name: Start virt-manager in session mode by default
+  ansible.builtin.copy:
+    dest: /usr/local/bin/virt-manager
+    content: |
+      #!/usr/bin/sh
+      exec /usr/bin/virt-manager --connect qemu:///session $@
+    mode: '0755'
+
+- name: Copy vm-netboot script
+  ansible.builtin.copy:
+    src: vm-netboot
+    dest: /usr/local/bin/
+    mode: '0755'