V8.00.000.2025.06.17

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

func/cdi_5000_recovery/5121_installation_initramfs.sh

@@ -0,0 +1,99 @@
+#!/bin/bash
+# SPDX-Version: 3.0
+# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
+# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
+# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-FileType: SOURCE
+# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
+# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
+# SPDX-PackageName: CISS.debian.installer
+# SPDX-Security-Contact: security@coresecret.eu
+
+guard_sourcing
+
+#######################################
+# Installation of 'initramfs'-environment.
+# Every 'apt-get install' command is invoked by adding 'export INITRD=No'
+# to suppress the 'update-initramfs'-Kernel-Hooks, according to the initramfs-tools manpage:
+# https://manpages.debian.org/testing/initramfs-tools-core/initramfs-tools.7.en.html
+# Globals:
+#   RECOVERY
+#   VAR_ROOT_FS
+#   VAR_SETUP_PATH
+# Arguments:
+#   None
+# Returns:
+#   0: on success
+#######################################
+installation_initramfs_reco() {
+  ### Declare Arrays, HashMaps, and Variables.
+  declare     var_modules="" var_whereiam=""
+
+  # shellcheck disable=SC2312
+  if [[ -x "$(command -v virt-what)" ]]; then
+    var_whereiam=$(virt-what | head -n1)
+  else
+    var_whereiam=$(grep -iE 'kvm|vmware|qemu' /sys/class/dmi/id/product_name 2>/dev/null || echo "baremetal")
+  fi
+
+  mkdir -p "${RECOVERY}/etc/initramfs-tools/files"
+
+  ### Install the script that will be called by 'update-initramfs' to install the necessary modules for the initramfs environment.
+  install -D -m 0644 -o root -g root "${VAR_SETUP_PATH}/includes/target/etc/initramfs-tools/modules" \
+    "${RECOVERY}/etc/initramfs-tools/"
+
+  insert_comments "${RECOVERY}/etc/initramfs-tools/modules"
+
+  var_modules=$(grep_nic_driver_modules)
+
+  cat << EOF >> "${RECOVERY}/etc/initramfs-tools/modules"
+### Custom NIC driver:
+${var_modules}
+
+EOF
+
+  if [[ "${var_whereiam}" =~ ^(kvm|vmware|qemu)$ ]]; then
+
+    cat << EOF >> "${RECOVERY}/etc/initramfs-tools/modules"
+### QEMU Bochs-compatible virtual machine support:
+bochs
+
+### Virtio support:
+virtio_pci
+virtio_blk
+virtio_scsi
+virtio_console
+virtio_rng
+
+EOF
+  fi
+
+  printf "%s\n" '# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=conf' >> "${RECOVERY}/etc/initramfs-tools/modules"
+
+  ### MODULES: [ most | netboot | dep | list ]
+  ## 'most' - Add most filesystem and all hard-drive drivers.
+  ## 'dep'  - Try and guess the modules to load.
+
+  insert_header   "${RECOVERY}/etc/initramfs-tools/conf.d/driver-policy"
+  insert_comments "${RECOVERY}/etc/initramfs-tools/conf.d/driver-policy"
+  cat << EOF >>   "${RECOVERY}/etc/initramfs-tools/conf.d/driver-policy"
+# Driver inclusion policy selected during installation.
+# Note: This setting overrides the value set in the file '/etc/initramfs-tools/initramfs.conf'.
+
+MODULES=dep
+
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
+EOF
+
+  insert_header   "${RECOVERY}/etc/initramfs-tools/conf.d/fsroot"
+  insert_comments "${RECOVERY}/etc/initramfs-tools/conf.d/fsroot"
+  cat << EOF >>   "${RECOVERY}/etc/initramfs-tools/conf.d/fsroot"
+FSTYPE=${VAR_ROOT_FS}
+
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
+EOF
+
+  guard_dir && return 0
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh