[type/__interface] Partial implementation of type for ifupdown.d
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Dennis Camera
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7 changed files with 157 additions and 40 deletions
52
cdist/conf/type/__interface/files/backends/ifupdown.d/manifest
Executable file
52
cdist/conf/type/__interface/files/backends/ifupdown.d/manifest
Executable file
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@ -0,0 +1,52 @@
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#!/bin/sh -e
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# -*- mode: sh; indent-tabs-mode: t -*-
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#
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# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
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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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set -- --state "${__object}/parameter/state"
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if test -f "${__object}/parameter/onboot"
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then
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set -- "$@" --auto
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fi
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if test -f "${__object}/parameter/hotplug"
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then
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set -- "$@" --hotplug
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fi
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# Generate appropriate parameters for backend type
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bootproto=$(cat "${__object}/parameter/bootproto")
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case $bootproto
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in
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(dhcp)
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# TODO
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;;
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(static)
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# TODO
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;;
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(manual)
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# TODO
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;;
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(*)
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exit 1
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;;
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esac
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# Instantiate backend type
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__interface_ifupdown.d "@"
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@ -10,6 +10,8 @@ DESCRIPTION
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-----------
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This cdist type allows you to manage network interfaces on the target.
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It dispatches the actual work to the interface management system specific types.
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Only TCP/IP is supported. For other protocol stacks, use the specific types for
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your OS.
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REQUIRED PARAMETERS
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@ -19,12 +21,54 @@ None.
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OPTIONAL PARAMETERS
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-------------------
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None.
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state
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'present', 'absent', 'exists' or 'pre-exists', defaults to 'present' where:
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present
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the file is exactly the one from source
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absent
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the file does not exist
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exists
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the file from source but only if it doesn't already exist
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pre-exists
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check that the file exists and is a regular file, but do not
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create or modify it
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name
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The name of the physical or logical network device to configure.
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Defaults to __object_id.
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bootproto
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The boot protocol to use.
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Acceptable values are 'dhcp', 'static', 'manual'.
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Defaults to 'dhcp'.
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address
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The IP address to assign to the network interface.
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Can be repeated to assign multiple IP addresses.
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gateway
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The default gateway to assign to this interface (optional).
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netmask
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The netmask.
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comment
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A comment to be stored in the configuration file.
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type
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The backend to use to store the interface configuration.
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Default is to auto detect.
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extra-config
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Other options to be passed to the implementation type verbatim.
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Using this option makes the configuration non-portable to other backends.
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If this option is used extensively, it is recommended to use the respective
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backend type directly.
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BOOLEAN PARAMETERS
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------------------
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None.
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onboot
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Whether to bring the interface up on boot
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hotplug
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Allow/disallow hotplug support for this interface
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nodns
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Do not configure nameservers in /etc/resolv.conf.
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noroute
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Do not set default route.
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EXAMPLES
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@ -1,4 +1,5 @@
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#!/bin/sh -e
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# -*- mode: sh; indent-tabs-mode: t -*-
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#
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# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
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#
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@ -18,51 +19,67 @@
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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die() { echo "$*" >&2; exit 1; }
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dief() { die "$(printf "$@")"; }
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invalid_param() { die "$@"; }
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invalid_paramf() { dief "$@"; }
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os=$(cat "${__global}/explorer/os")
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# Parameters
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state=$(cat "${__object}/parameter/state")
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comment=$(cat "${__object}/parameter/comment")
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bootproto=$(cat "${__object}/parameter/bootproto")
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case $bootproto
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in
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(dhcp)
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# Check parameters
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! test -f "${__object}/parameter/address" \
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|| invalid_param '--address is invalid for --bootproto dhcp'
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! test -f "${__object}/parameter/gateway" \
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|| invalid_param '--gateway is invalid for --bootproto dhcp'
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! test -f "${__object}/parameter/netmask" \
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|| invalid_param '--netmask is invalid for --bootproto dhcp'
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;;
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(static)
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# TODO
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;;
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(manual)
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# TODO
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;;
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(*)
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invalid_paramf 'Unknown --bootproto: %s\n' "${bootproto}"
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;;
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esac
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if test -f "${__object}/parameter/type"
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then
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type=$(cat "${__object}/parameter/type")
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impl_type=$(cat "${__object}/parameter/type")
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else
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# Guess the type based on the operating system
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case $os
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in
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debian)
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(debian)
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os_major=$(grep -o '^[0-9][0-9]*' "${__global}/explorer/os_version")
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if test "${os_major}" -ge 7
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then
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type=ifupdown.d
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else
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echo 'Debian versions older than 7 (wheezy) are not (currently) supported' >&2
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exit 1
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fi
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test "${os_major}" -ge 7 \
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|| die 'Debian versions older than 7 (wheezy) are not supported'
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impl_type=ifupdown.d
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;;
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devuan)
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type=ifupdown.d
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(devuan)
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impl_type=ifupdown.d
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;;
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*)
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echo "Don't know how to manage interfaces on: ${os}" >&2
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exit 1
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(*)
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die "Don't know how to manage interfaces on: ${os}"
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;;
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esac
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fi
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state=$(cat "${__object}/parameter/state")
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# Hand over to backend-specific implementation
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manifest_file="${__type}/files/backends/${impl_type}/manifest"
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test -x "${manifest_file}" || dief 'Unknown type: %s\n' "${impl_type}"
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set -- "$@" "${__object_id}" --state "${state}"
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cd "${__object}/parameter"
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for param in *
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do
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if [ "${param}" != 'type' ] && [ "${param}" != 'state' ]
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then
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set -- "$@" --"${param}"
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if ! grep -q "^${param}$" "${__type}/parameter/boolean"
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then
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set -- "$@" "$(cat "${param}")"
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fi
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fi
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done
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__interface_$type "$@"
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# Run backend-specific script
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"${manifest_file}" "$@"
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@ -1,4 +1,4 @@
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hotplug
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no-auto
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no-auto-down
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no-scripts
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nodns
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noroute
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onboot
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1
cdist/conf/type/__interface/parameter/default/bootproto
Normal file
1
cdist/conf/type/__interface/parameter/default/bootproto
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@ -0,0 +1 @@
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dhcp
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@ -1,5 +1,7 @@
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family
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method
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bootproto
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comment
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gateway
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name
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netmask
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state
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type
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@ -1 +1,2 @@
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option
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address
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extra-config
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