f276813f7f
The --onchage sent the message on the target where messaging is not supported. Now the result is that a "changed" message is only emitted when the running hostname changes, not when the persistent hostname changes.
149 lines
4.6 KiB
Bash
Executable file
149 lines
4.6 KiB
Bash
Executable file
#!/bin/sh -e
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#
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# 2012 Steven Armstrong (steven-cdist at armstrong.cc)
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# 2014 Nico Schottelius (nico-cdist at schottelius.org)
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# 2019 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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not_supported() {
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echo "Your operating system ($os) is currently not supported by this type (${__type##*/})." >&2
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echo "Please contribute an implementation for it if you can." >&2
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exit 1
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}
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set_hostname_systemd() {
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echo "$1" | __file /etc/hostname --source -
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}
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os=$(cat "$__global/explorer/os")
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max_len=$(cat "$__object/explorer/max_len")
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has_hostnamectl=$(cat "$__object/explorer/has_hostnamectl")
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if test -s "$__object/parameter/name"
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then
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name_should=$(cat "$__object/parameter/name")
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else
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case $os
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in
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# RedHat-derivatives and BSDs
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centos|fedora|redhat|scientific|freebsd|netbsd|openbsd)
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# Hostname is FQDN
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name_should="${__target_host}"
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;;
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*)
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# Hostname is only first component of FQDN
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name_should="${__target_host%%.*}"
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;;
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esac
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fi
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if test -n "${max_len}" -a "$(printf '%s' "${name_should}" | wc -c)" -gt "${max_len}"
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then
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printf "Host name too long. Up to %u characters allowed.\n" "${max_len}" >&2
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exit 1
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fi
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case $os
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in
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alpine|debian|devuan|ubuntu)
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echo "$name_should" \
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| __file /etc/hostname --source -
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;;
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macosx)
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# handled in gencode-remote
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:
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;;
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archlinux)
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if test -n "$has_hostnamectl"
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then
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set_hostname_systemd "$name_should"
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else
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# Only for ancient ArchLinux, write to /etc/rc.conf on pre-systemd
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# versions.
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__key_value sysconfig-hostname \
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--file /etc/rc.conf \
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--delimiter '=' --exact_delimiter \
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--key 'HOSTNAME' \
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--value "\"$name_should\""
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fi
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;;
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centos|fedora|redhat|scientific)
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if test -z "$has_hostnamectl"
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then
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# Only write to /etc/sysconfig/network on non-systemd versions.
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# On systemd-based versions this entry is ignored.
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__key_value sysconfig-hostname \
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--file /etc/sysconfig/network \
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--delimiter '=' --exact_delimiter \
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--key HOSTNAME \
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--value "\"$name_should\""
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else
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set_hostname_systemd "$name_should"
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fi
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;;
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gentoo)
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if test -z "$has_hostnamectl"
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then
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# Only write to /etc/conf.d/hostname on OpenRC-based installations.
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# On systemd use hostnamectl(1) in gencode-remote.
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__key_value confd-hostname \
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--file /etc/conf.d/hostname \
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--delimiter '=' --exact_delimiter \
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--key 'hostname' \
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--value "\"$name_should\""
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else
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set_hostname_systemd "$name_should"
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fi
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;;
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freebsd)
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__key_value rcconf-hostname \
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--file /etc/rc.conf \
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--delimiter '=' --exact_delimiter \
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--key 'hostname' \
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--value "\"$name_should\""
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;;
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netbsd)
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__key_value rcconf-hostname \
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--file /etc/rc.conf \
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--delimiter '=' --exact_delimiter \
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--key 'hostname' \
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--value "\"$name_should\""
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# To avoid confusion, ensure that the hostname is only stored once
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__file /etc/myname --state absent
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;;
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openbsd)
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echo "$name_should" \
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| __file /etc/myname --source -
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;;
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suse)
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# We write into /etc/HOSTNAME for backwards-compatibility. Modern SuSE
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# has hostnamectl anyway and symlinks /etc/HOSTNAME to /etc/hostname.
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echo "$name_should" \
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| __file /etc/HOSTNAME --source -
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;;
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*)
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# On other operating systems we fall back to systemd's hostnamectl if available…
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if test -n "$has_hostnamectl"
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then
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set_hostname_systemd "$name_should"
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else
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not_supported
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fi
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;;
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esac
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