fist commit - images lib in a working condition for debian

lib/images/debian/customs.nix

@@ -0,0 +1,63 @@
+# ready to use customizations to apply on images
+{ pkgs, lib, system, commons, ... }:
+with commons;
+with scriptsNFiles;
+{
+  # essential functionalities like ssh, networking etc
+  essentials = {
+    install = [ "htop" "openssh-server" "inetutils-ping" "dnsutils" "cloud-guest-utils" "qemu-guest-agent" ];
+    commands = ''
+      upload ${grub-ifnames-0}:/etc/default/grub.d/90-ifnames-0.cfg
+      upload ${grub-disable-microcode}:/etc/default/grub.d/00-disable-microcode.cfg
+      run-command mount /boot/efi && update-grub
+      upload ${eth0-dhcp-network}:/etc/systemd/network/00-eth0-dhcp.network
+      run ${ssh-service-override-conf-create}
+      upload ${grow-root-sh}:/usr/local/sbin/grow-root.sh
+      upload ${grow-root-service}:/etc/systemd/system/grow-root.service
+      run-command systemctl enable grow-root.service
+    '';
+  };
+
+  # set easy root access
+  rooted = {
+    run = ''
+      # set root password and ssh access
+      echo "root:root" | chpasswd
+      sed -i '/PasswordAuthentication no/d' "/etc/ssh/sshd_config"
+      echo "PasswordAuthentication yes\nPermitRootLogin yes" >> "/etc/ssh/sshd_config"
+    '';
+  };
+
+  # install proxmox
+  proxmoxOnDebian12 = {
+    diskSize = "+2G";
+    smp = 4;
+    memSize = 4096;
+    run = ''
+      # script originally taken from https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_12_Bookworm
+      # exit if error
+      set -e
+
+      # grow root partition - script installed in "base" image 
+      /usr/local/sbin/grow-root.sh
+
+      # mount efi for grub changes
+      mount /boot/efi
+
+      # add proxmox repo
+      echo "deb [arch=amd64] http://download.proxmox.com/debian/pve bookworm pve-no-subscription" > /etc/apt/sources.list.d/pve-install-repo.list
+      wget https://enterprise.proxmox.com/debian/proxmox-release-bookworm.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg 
+      apt-get update && apt full-upgrade -y --no-install-recommends;
+
+      # necessary precursors
+      echo "0.0.0.0\t\t`cat /etc/hostname`" >> /etc/hosts; # necessary for SSL certificate creation
+      mkdir -p /run/network; # bug https://github.com/CumulusNetworks/ifupdown2/issues/276
+
+      # install
+      apt install -y proxmox-default-kernel proxmox-ve postfix open-iscsi chrony --no-install-recommends;
+
+      # remove previous kernels
+      apt remove -y os-prober linux-image-amd64 'linux-image-6.*';
+    '';
+  };
+}