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V8.00.000.2025.06.17
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
This commit is contained in:
Marc S. Weidner
2025-08-06 22:39:24 +02:00
parent 3301a93677
commit 93f9c8891d
10 changed files with 149 additions and 98 deletions
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139
func/cdi_4300_network/4300_installation_network.sh
View File

@@ -15,54 +15,42 @@ guard_sourcing
#######################################
# Setup network.
# Globals:
# DIR_BAK
# ARY_IPV4_NS
# ARY_IPV6_NS
# TARGET
# VAR_FINAL_FQDN
# VAR_ARCHITECTURE
# VAR_CODENAME
# VAR_FINAL_IPV4
# VAR_FINAL_IPV4_GW
# VAR_FINAL_IPV4_SUBNET
# VAR_FINAL_IPV6
# VAR_FINAL_IPV6_GW
# VAR_FINAL_IPV6_SUBNET
# VAR_FINAL_NIC
# VAR_LINK_IPV6
# VAR_VERSION
# network_autoconfig_enable
# network_choose_interface_auto
# network_choose_interface_static
# network_hostname
# network_static_ipv4address
# network_static_ipv4gateway
# network_static_ipv4nameserver_0
# network_static_ipv4nameserver_1
# network_static_ipv4nameserver_2
# network_static_ipv4nameserver_fallback_0
# network_static_ipv4nameserver_fallback_1
# network_static_ipv4netmask
# network_static_ipv6address
# network_static_ipv6gateway
# network_static_ipv6nameserver_0
# network_static_ipv6nameserver_1
# network_static_ipv6nameserver_2
# network_static_ipv6nameserver_fallback_0
# network_static_ipv6nameserver_fallback_1
# network_static_ipv6netmask
# Arguments:
# None
# Returns:
# 0: on success
#######################################
installation_network() {
### Declare Arrays, HashMaps, and Variables.
declare var_supersede="" var_supersede_ipv6=""
do_in_target "${TARGET}" apt-get install -y isc-dhcp-client ifupdown
mkdir -p "${TARGET}/etc/network/interfaces/interfaces.d"
declare var_auto_nic="" var_auto_ipv4_ccidr="" var_auto_ipv4_subnet="" var_auto_ipv4="" var_auto_ipv4_gw="" \
var_auto_ipv6_ccidr="" var_auto_ipv6="" var_auto_ipv6_gw="" var_link_ipv4="" var_link_ipv6="" var_auto_fqdn="" ns=""
declare -a ary_ipv4_ns=() ary_ipv6_ns=()
### Create network configuration file header.
### Create a network configuration file header.
if [[ -f "${TARGET}/etc/network/interfaces" ]]; then
mkdir -p "${DIR_BAK}/etc/network"
mv "${TARGET}/etc/network/interfaces" "${DIR_BAK}/etc/network/interfaces.bak"
do_log "info" "file_only" "4130() Existing '${TARGET}/etc/network/interfaces' moved."
mkdir -p "${TARGET}/root/.ciss/cdi/backup/etc/network"
mv "${TARGET}/etc/network/interfaces" "${TARGET}/root/.ciss/cdi/backup/etc/network/interfaces.bak"
do_log "info" "file_only" "4300() Existing '${TARGET}/etc/network/interfaces' moved."
fi
cat << EOF >| "${TARGET}/etc/network/interfaces"
@@ -77,6 +65,10 @@ installation_network() {
# SPDX-PackageName: CISS.debian.installer
# SPDX-Security-Contact: security@coresecret.eu
# /etc/network/interfaces : Generated by CISS.debian.installer ${VAR_VERSION}
# Architecture : ${VAR_ARCHITECTURE}
# Distribution : ${VAR_CODENAME}
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
@@ -89,10 +81,10 @@ iface lo inet loopback
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
EOF
chmod 0644 "${TARGET}/etc/network/interfaces"
do_log "info" "file_only" "4130() Header '${TARGET}/etc/network/interfaces' created."
do_log "info" "file_only" "4300() Header '${TARGET}/etc/network/interfaces' created."
### Configure network interfaces based on 'preseed.yaml' and create network configuration files for IPv4.
if [[ "${network_autoconfig_enable,,}" == "true" && "${network_choose_interface_auto,,}" == "true" ]]; then
if [[ "${network_autoconfig_enable}" == "true" && "${network_choose_interface_auto}" == "true" ]]; then
### Reminder ###
# auto:
@@ -114,16 +106,20 @@ EOF
# SPDX-PackageName: CISS.debian.installer
# SPDX-Security-Contact: security@coresecret.eu
# /etc/network/interfaces : Generated by CISS.debian.installer ${VAR_VERSION}
# Architecture : ${VAR_ARCHITECTURE}
# Distribution : ${VAR_CODENAME}
# The primary network interface IPv4
auto ${var_auto_nic}
iface ${var_auto_nic} inet dhcp
auto ${VAR_FINAL_NIC}
iface ${VAR_FINAL_NIC} inet dhcp
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
EOF
chmod 0644 "${TARGET}/etc/network/interfaces/interfaces.d/10-ipv4-dhcp"
do_log "info" "file_only" "4130() IPv4 on the primary NIC: '${var_auto_nic}' configured with DHCP."
do_log "info" "file_only" "4300() IPv4 on the primary NIC: '${VAR_FINAL_NIC}' configured with DHCP."
elif [[ "${network_autoconfig_enable,,}" == "true" && "${network_choose_interface_auto,,}" == "false" ]]; then
elif [[ "${network_autoconfig_enable}" == "true" && "${network_choose_interface_auto}" == "false" ]]; then
cat << EOF >| "${TARGET}/etc/network/interfaces/interfaces.d/10-ipv4-dhcp"
# SPDX-Version: 3.0
@@ -137,19 +133,24 @@ EOF
# SPDX-PackageName: CISS.debian.installer
# SPDX-Security-Contact: security@coresecret.eu
# /etc/network/interfaces : Generated by CISS.debian.installer ${VAR_VERSION}
# Architecture : ${VAR_ARCHITECTURE}
# Distribution : ${VAR_CODENAME}
# The primary network interface IPv4
auto ${network_choose_interface_static}
iface ${network_choose_interface_static} inet dhcp
auto ${VAR_FINAL_NIC}
iface ${VAR_FINAL_NIC} inet dhcp
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
EOF
chmod 0644 "${TARGET}/etc/network/interfaces/interfaces.d/10-ipv4-dhcp"
do_log "info" "file_only" "4130() IPv4 on the primary NIC: '${network_choose_interface_static}' configured with DHCP."
do_log "info" "file_only" "4300() IPv4 on the primary NIC: '${VAR_FINAL_NIC}' configured with DHCP."
fi
if [[ "${network_autoconfig_enable,,}" == "false" ]]; then
if [[ "${network_autoconfig_enable}" == "false" ]]; then
# shellcheck disable=SC2153
cat << EOF >| "${TARGET}/etc/network/interfaces/interfaces.d/10-ipv4-static"
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
@@ -162,23 +163,27 @@ EOF
# SPDX-PackageName: CISS.debian.installer
# SPDX-Security-Contact: security@coresecret.eu
# /etc/network/interfaces : Generated by CISS.debian.installer ${VAR_VERSION}
# Architecture : ${VAR_ARCHITECTURE}
# Distribution : ${VAR_CODENAME}
# The primary network interface IPv4
auto ${network_choose_interface_static}
iface ${network_choose_interface_static} inet static
address ${network_static_ipv4address}
netmask ${network_static_ipv4netmask}
gateway ${network_static_ipv4gateway}
dns-nameservers ${ary_ipv4_ns[*]}
auto ${VAR_FINAL_NIC}
iface ${VAR_FINAL_NIC} inet static
address ${VAR_FINAL_IPV4}
netmask ${VAR_FINAL_IPV4_SUBNET}
gateway ${VAR_FINAL_IPV4_GW}
dns-nameservers ${ARY_IPV4_NS[*]}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
EOF
chmod 0644 "${TARGET}/etc/network/interfaces/interfaces.d/10-ipv4-static"
do_log "info" "file_only" "4130() IPv4 on the primary NIC: '${network_choose_interface_static}' configured statically."
do_log "info" "file_only" "4300() IPv4 on the primary NIC: '${VAR_FINAL_NIC}' configured statically."
fi
### Configure network interfaces based on 'preseed.yaml' and create network configuration files for IPv6.
if [[ "${network_autoconfig_enable,,}" == "true" && "${var_link_ipv6,,}" == "true" ]]; then
if [[ "${network_autoconfig_enable}" == "true" && "${VAR_LINK_IPV6}" == "true" ]]; then
cat << EOF >| "${TARGET}/etc/network/interfaces/interfaces.d/10-ipv6-dhcp"
# SPDX-Version: 3.0
@@ -192,19 +197,24 @@ EOF
# SPDX-PackageName: CISS.debian.installer
# SPDX-Security-Contact: security@coresecret.eu
# /etc/network/interfaces : Generated by CISS.debian.installer ${VAR_VERSION}
# Architecture : ${VAR_ARCHITECTURE}
# Distribution : ${VAR_CODENAME}
# The primary network interface IPv6
auto ${var_auto_nic}
iface ${var_auto_nic} inet6 dhcp
auto ${VAR_FINAL_NIC}
iface ${VAR_FINAL_NIC} inet6 dhcp
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
EOF
chmod 0644 "${TARGET}/etc/network/interfaces/interfaces.d/10-ipv6-dhcp"
do_log "info" "file_only" "4130() IPv6 on the primary NIC: '${var_auto_nic}' configured with DHCP."
do_log "info" "file_only" "4300() IPv6 on the primary NIC: '${VAR_FINAL_NIC}' configured with DHCP."
fi
if [[ "${network_autoconfig_enable,,}" == "false" && -n "${network_static_ipv6address}" ]]; then
if [[ "${network_autoconfig_enable}" == "false" && -n "${network_static_ipv6address}" ]]; then
# shellcheck disable=SC2153
cat << EOF >| "${TARGET}/etc/network/interfaces/interfaces.d/10-ipv6-static"
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
@@ -218,51 +228,51 @@ EOF
# SPDX-Security-Contact: security@coresecret.eu
# The primary network interface IPv6
auto ${network_choose_interface_static}
iface ${network_choose_interface_static} inet6 static
address ${network_static_ipv6address}/${network_static_ipv6netmask}
gateway ${network_static_ipv6gateway}
dns-nameservers ${ary_ipv6_ns[*]}
auto ${VAR_FINAL_NIC}
iface ${VAR_FINAL_NIC} inet6 static
address ${VAR_FINAL_IPV6}/${VAR_FINAL_IPV6_SUBNET}
gateway ${VAR_FINAL_IPV6_GW}
dns-nameservers ${ARY_IPV6_NS[*]}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
EOF
chmod 0644 "${TARGET}/etc/network/interfaces/interfaces.d/10-ipv6-static"
do_log "info" "file_only" "4130() IPv6 on the primary NIC: '${network_choose_interface_static}' configured statically."
do_log "info" "file_only" "4300() IPv6 on the primary NIC: '${VAR_FINAL_NIC}' configured statically."
fi
### Ensure Internet Systems Consortium DHCP Client is not overwriting the static nameserver settings.
if [[ -f "${TARGET}/etc/dhcp/dhclient.conf" ]]; then
mkdir -p "${DIR_BAK}/etc/dhcp"
cp "${TARGET}/etc/dhcp/dhclient.conf" "${DIR_BAK}/etc/dhcp/dhclient.conf.bak"
do_log "info" "file_only" "4130() Existing '${TARGET}/etc/dhcp/dhclient.conf' saved."
mkdir -p "${TARGET}/root/.ciss/cdi/backup/etc/dhcp"
cp "${TARGET}/etc/dhcp/dhclient.conf" "${TARGET}/root/.ciss/cdi/backup/etc/dhcp/dhclient.conf.bak"
do_log "info" "file_only" "4300() Existing '${TARGET}/etc/dhcp/dhclient.conf' copied."
fi
if [[ "${network_autoconfig_enable,,}" == "true" && -n "${network_static_ipv4nameserver_0}" ]]; then
if [[ "${network_autoconfig_enable}" == "true" && -n "${network_static_ipv4nameserver_0}" ]]; then
cat << EOF >> "${TARGET}/etc/dhcp/dhclient.conf"
# Custom dhclient config to override DHCP DNS
EOF
declare var_supersede; var_supersede=$(printf "%s, " "${ary_ipv4_ns[@]}")
var_supersede=$(printf "%s, " "${ARY_IPV4_NS[@]}")
var_supersede="${var_supersede%, }"
echo "supersede domain-name-servers ${var_supersede};" >> "${TARGET}/etc/dhcp/dhclient.conf"
do_log "info" "file_only" "4130() DHCP client configuration for IPv4: '${TARGET}/etc/dhcp/dhclient.conf' configured."
do_log "info" "file_only" "4300() DHCP client configuration for IPv4: '${TARGET}/etc/dhcp/dhclient.conf' configured."
fi
if [[ "${network_autoconfig_enable,,}" == "false" && -n "${network_static_ipv6nameserver_0}" ]]; then
if [[ "${network_autoconfig_enable}" == "false" && -n "${network_static_ipv6nameserver_0}" ]]; then
declare var_supersede_ipv6; var_supersede_ipv6=$(printf "%s, " "${ary_ipv6_ns[@]}")
var_supersede_ipv6=$(printf "%s, " "${ARY_IPV6_NS[@]}")
var_supersede_ipv6="${var_supersede_ipv6%, }"
echo "supersede domain-name-servers ${var_supersede_ipv6};" >> "${TARGET}/etc/dhcp/dhclient.conf"
do_log "info" "file_only" "4130() DHCP client configuration for IPv6: '${TARGET}/etc/dhcp/dhclient.conf' configured."
do_log "info" "file_only" "4300() DHCP client configuration for IPv6: '${TARGET}/etc/dhcp/dhclient.conf' configured."
fi
if [[ "${network_autoconfig_enable,,}" == "true" && -n "${network_static_ipv4nameserver_0}" ]]; then
if [[ "${network_autoconfig_enable}" == "true" && -n "${network_static_ipv4nameserver_0}" ]]; then
cat << EOF >> "${TARGET}/etc/dhcp/dhclient.conf"
@@ -270,7 +280,6 @@ EOF
EOF
fi
return 0
}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh