239 lines
7.0 KiB
Bash
Executable File
239 lines
7.0 KiB
Bash
Executable File
#!/bin/sh -e
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#
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# 2012-2018 Steven Armstrong (steven-cdist at armstrong.cc)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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__package ifupdown
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# Use cumulus ifupdown2 instead of ifupown and ifenslave
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# ifupdown2 is currently not compatible with network-wait-online.
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#__package ifupdown \
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# --name ifupdown2
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type_files="$__type/files/debian"
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mkdir "$__object/files"
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interface_filename="${__object_id}.conf"
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(
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cat << DONE
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# Created by cdist ${__type##*/}
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# Do not change. Changes will be overwritten.
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#
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DONE
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if [ -f "$__object/parameter/comment" ]; then
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awk '{ print "# "$0 }' < "$__object/parameter/comment"
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fi
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if [ -f "$__object/parameter/onboot" ]; then
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# shellcheck disable=SC2154
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printf "auto %s\n" "$name"
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elif [ -f "$__object/parameter/hotplug" ]; then
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# shellcheck disable=SC2154
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printf "allow-hotplug %s\n" "$name"
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fi
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ignored_parameters="linkdelay"
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manually_handled_parameters="name comment extra-config state method onboot hotplug nodns noroute no-network-wait-online symmetric-routing bond-slaves"
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# shellcheck disable=SC2154
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case "$method" in
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dhcp)
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printf "iface %s inet %s\n" "$name" "$method"
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ignored_parameters="$ignored_parameters address broadcast gateway netmask"
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;;
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static|manual)
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printf "iface %s inet %s\n" "$name" "$method"
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;;
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*)
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echo "Unsupported value for parameter --method. Got '$method'. See man page for supported values." >&2
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exit 1
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;;
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esac
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for param in "$__object"/parameter/*; do
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if echo "$ignored_parameters" | grep -w -q "$param"; then
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continue
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fi
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if echo "$manually_handled_parameters" | grep -w -q "$param"; then
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continue
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fi
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if [ -f "$type_files/name-map" ]; then
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key="$(awk -v param="$param" '{ if ($1 == param) {print $2;} else { print param;} }' "$type_files/name-map")"
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else
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key="$param"
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fi
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printf " %s %s\n" "$key" "$(cat "$__object/parameter/$param")"
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done
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if [ -f "$__object/parameter/bond-mode" ] || [ -f "$__object/parameter/bond-primary" ]; then
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# Note: ifenslave is not needed when using ifupdown2
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# install package required for bonding
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__package ifenslave
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if [ -f "$__object/parameter/bond-slaves" ]; then
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printf ' bond-slaves %s\n' "$(cat "$__object/parameter/bond-slaves")"
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else
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# need this or the slave tries to bring the master up, but the master hangs waiting for a slave
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printf ' bond-slaves none\n'
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fi
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fi
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if [ -f "$__object/parameter/no-network-wait-online" ]; then
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# Do not consider this interface in network-wait-online.service
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printf ' no-network-wait-online yes\n'
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fi
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if [ -f "$__object/parameter/symmetric-routing" ]; then
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# Deploy scripts that implement the feature ...
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__file /sbin/symmetric-routing \
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--owner root --group root --mode 0755 \
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--source "$__type/files/symmetric-routing"
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require="__package/ifupdown __file/sbin/symmetric-routing" \
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__file /etc/network/if-up.d/symmetric-routing \
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--owner root --group root --mode 0755 \
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--source "$__type/files/debian/ifupdown-symmetric-routing"
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require="__package/ifupdown __file/etc/network/if-up.d/symmetric-routing" \
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__link /etc/network/if-down.d/symmetric-routing \
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--type symbolic \
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--source ../if-up.d/symmetric-routing
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# ... then enable it in interface stanza file.
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printf ' symmetric-routing yes\n'
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fi
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# shellcheck disable=SC2154
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if [ -n "$vlan" ] && [ -n "$device" ]; then
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# Explicit parent interface for vlans
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printf ' vlan-raw-device %s\n' "$device"
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fi
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if [ -f "$__object/parameter/extra-config" ]; then
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extra_config="$(cat "$__object/parameter/extra-config")"
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if [ "$extra_config" = "-" ]; then
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extra_config="$__object/stdin"
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fi
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awk '{print " " $0}' "$extra_config"
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fi
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) >> "$__object/files/$interface_filename"
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__directory /etc/network \
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--state present \
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--owner root \
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--group root \
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--mode 755
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require="__directory/etc/network" \
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__directory /etc/network/interfaces.d \
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--state present \
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--owner root \
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--group root \
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--mode 755
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require="__directory/etc/network" \
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__file /etc/network/interfaces \
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--source "$type_files/interfaces" \
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--owner root \
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--group root \
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--mode 644
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# shellcheck disable=SC2154
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require="__file/etc/network/interfaces __directory/etc/network/interfaces.d" \
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__file "/etc/network/interfaces.d/$interface_filename" \
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--owner root \
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--group root \
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--mode 644 \
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--source "$__object/files/$interface_filename" \
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--state "$state"
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if [ "$method" = "dhcp" ] && [ -f "$__object/parameter/noroute" ]; then
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(
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cat << DONE
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# Created by cdist ${__type##*/}
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# Do not change. Changes will be overwritten.
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#
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if [ "\$interface" = "$name" ]; then
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case "\$reason" in
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BOUND|RENEW|REBIND|REBOOT)
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# prevent default gateway to be set by this interface
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unset new_routers
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;;
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esac
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fi
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DONE
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) | \
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__file "/etc/dhcp/dhclient-enter-hooks.d/cdist-__network_interface-${name}-noroute" \
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--owner root \
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--group root \
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--mode 644 \
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--source - \
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--state "$state"
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fi # end noroute
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if [ "$method" = "dhcp" ] && [ -f "$__object/parameter/nodns" ]; then
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(
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cat << DONE
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# Created by cdist ${__type##*/}
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# Do not change. Changes will be overwritten.
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#
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if [ "\$interface" = "$name" ]; then
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# Prevent /etc/resolv.conf from being changed by this interface
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# by overriding the default 'make_resolv_conf' function.
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make_resolv_conf(){
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:
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}
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fi
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DONE
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) | \
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__file "/etc/dhcp/dhclient-enter-hooks.d/cdist-__network_interface-${name}-nodns" \
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--owner root \
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--group root \
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--mode 644 \
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--source - \
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--state "$state"
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fi # end nodns
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os=$(cat "$__global/explorer/os")
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if [ "$os" = "ubuntu" ]; then
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# workaround the bloody upstart race conditions
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# by deploying a script that delays the emission of the net-device-up
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# signal until the interface is really up and configured.
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#script_name="00000-wait-for-ip"
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#__file "/etc/network/if-up.d/$script_name" \
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# --owner root --group root --mode 755 \
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# --source "$type_files/$script_name"
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# Deal with systemd network-online.target race conditions
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require="__package/ifupdown" \
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__file /etc/network/if-pre-up.d/network-online \
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--owner root --group root --mode 0755 \
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--source "$__type/files/debian/network-online"
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require="__file/etc/network/if-pre-up.d/network-online" \
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__link /etc/network/if-up.d/network-online \
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--type symbolic \
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--source ../if-pre-up.d/network-online
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fi
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