111 lines
2.6 KiB
Bash
Executable File
111 lines
2.6 KiB
Bash
Executable File
#!/bin/sh -e
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#
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# 2020 Dennis Camera (dennis.camera@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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in_list() {
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printf '%s\n' "$@" | { grep -qxF "$(read -r ndl; echo "${ndl}")"; }
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}
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quote() {
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for _arg
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do
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shift
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if test -n "$(printf %s "${_arg}" | tr -d -c '\t\n \042-\047\050-\052\073-\077\133\\`|~' | tr -c '' '.')"
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then
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# needs quoting
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set -- "$@" "$(printf "'%s'" "$(printf %s "${_arg}" | sed -e "s/'/'\\\\''/g")")"
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else
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set -- "$@" "${_arg}"
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fi
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done
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unset _arg
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# NOTE: Use printf because POSIX echo interprets escape sequences
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printf '%s' "$*"
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}
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uci_cmd() {
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# Usage: uci_cmd [UCI ARGUMENTS]...
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# Will output a shell command to be executed locally to add the given
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# command to $tmpfile.
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printf "printf '%%s\\\\n' %s" "$(quote "$(quote "$@")")"
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printf ' >>%s\n' "$(quote "${tmpfile}")"
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}
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config=${__object_id:?}
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state_is=$(cat "${__object:?}/explorer/state")
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state_should=$(cat "${__object:?}/parameter/state")
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transaction_name=$(cat "${__object:?}/parameter/transaction")
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tmpdir="${__global:?}/tmp/__uci"
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# HACK
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mkdir -p "${tmpdir}"
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tmpfile="${tmpdir}/${transaction_name}.txt"
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case ${state_should}
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in
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(present)
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if in_list "${state_is}" 'present' 'rearranged'
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then
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# NOTE: order is ignored so rearranged is also fine.
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exit 0
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fi
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if test "$(wc -l "${__object:?}/parameter/value")" -gt 1
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then
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# "should" is a list
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printf 'set_list %s\n' "${config}" >>"${__messages_out:?}"
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if test "${state_is}" != 'absent'
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then
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uci_cmd delete "${config}"
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fi
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while read -r value
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do
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uci_cmd add_list "${config}"="${value}"
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done <"${__object:?}/parameter/value"
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else
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# "should" is a scalar
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printf 'set %s\n' "${config}" >>"${__messages_out:?}"
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value=$(cat "${__object:?}/parameter/value")
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uci_cmd set "${config}"="${value}"
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fi
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;;
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(absent)
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if in_list "${state_is}" 'absent'
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then
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exit 0
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fi
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printf 'delete %s\n' "${config}" >>"${__messages_out:?}"
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uci_cmd delete "${config}"
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;;
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(*)
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printf 'Invalid --state: %s\n' "${state_should}" >&2
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exit 1
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;;
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esac
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