cdist-backup/bin/cdist-config
Nico Schottelius ee076ef7e9 only kill children, if we got signalled
Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
2011-05-10 17:11:15 +02:00

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#!/bin/sh
#
# 2010-2011 Nico Schottelius (nico-cdist at schottelius.org)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
__cdist_version="1.7.0"
# Fail if something bogus is going on
set -u
################################################################################
# cconf standard vars prefixed with cdist
__cdist_pwd="$(pwd -P)"
__cdist_mydir="${0%/*}";
__cdist_abs_mydir="$(cd "$__cdist_mydir" && pwd -P)"
__cdist_myname=${0##*/};
__cdist_abs_myname="$__cdist_abs_mydir/$__cdist_myname"
################################################################################
# Names / Constants
#
# Most values can be overriden from outside, so you can
# customise paths as you like (for distributors, geeks and hackers)
#
: ${__cdist_name_bin:=bin}
: ${__cdist_name_cache:=cache}
: ${__cdist_name_code:=code}
: ${__cdist_name_conf_dir:=conf}
: ${__cdist_name_dot_cdist:=.cdist}
: ${__cdist_name_explorer:=explorer}
: ${__cdist_name_gencode:=gencode}
: ${__cdist_name_gencode_local:=local}
: ${__cdist_name_gencode_remote:=remote}
: ${__cdist_name_global:=global}
: ${__cdist_name_host:=host}
: ${__cdist_name_init:=init}
: ${__cdist_name_manifest:=manifest}
: ${__cdist_name_object:=object}
: ${__cdist_name_object_finished:=done}
: ${__cdist_name_object_prepared:=prepared}
: ${__cdist_name_object_id:=object_id}
: ${__cdist_name_object_source:=source}
: ${__cdist_name_objects_created:=.objects_created}
: ${__cdist_name_out_dir:=out}
: ${__cdist_name_parameter:=parameter}
: ${__cdist_name_parameter_required:=required}
: ${__cdist_name_parameter_optional:=optional}
: ${__cdist_name_require:=require}
: ${__cdist_name_self:=self}
: ${__cdist_name_singleton:=singleton}
: ${__cdist_name_target_host:=target_host}
: ${__cdist_name_target_user:=target_user}
: ${__cdist_name_type:=type}
: ${__cdist_name_type_bin:=type_bin}
: ${__cdist_name_type_explorer:=type_explorer}
: ${__cdist_name_type_explorer_pushed:=.explorer_pushed}
# Used for IDs: Allow everything not starting with - and .
: ${__cdist_sane_regexp:=[^-\.].*}
# Default remote user
: ${__cdist_remote_user:=root}
################################################################################
# Exported variable names (usable for non core
#
: ${__cdist_name_var_explorer:=__$__cdist_name_explorer}
: ${__cdist_name_var_type_explorer:=__$__cdist_name_type_explorer}
: ${__cdist_name_var_global:=__$__cdist_name_global}
: ${__cdist_name_var_manifest:=__$__cdist_name_manifest}
: ${__cdist_name_var_target_host:=__$__cdist_name_target_host}
: ${__cdist_name_var_target_user:=__$__cdist_name_target_user}
: ${__cdist_name_var_object:=__$__cdist_name_object}
: ${__cdist_name_var_object_id:=__$__cdist_name_object_id}
: ${__cdist_name_var_self:=__$__cdist_name_self}
: ${__cdist_name_var_type:=__$__cdist_name_type}
################################################################################
# Tempfiles
#
: ${__cdist_tmp_base_dir=/tmp}
__cdist_tmp_dir=$(mktemp -d "$__cdist_tmp_base_dir/cdist.XXXXXXXXXXXX")
__cdist_tmp_file=$(mktemp "$__cdist_tmp_dir/cdist.XXXXXXXXXXXX")
################################################################################
# Local Base
#
: ${__cdist_local_base_dir:=$__cdist_tmp_dir}
# Cache may *NOT* be below __cdist_local_base_dir!
: ${__cdist_local_base_cache_dir:=$__cdist_abs_mydir/../$__cdist_name_cache}
: ${__cdist_conf_dir:="$(cd "$__cdist_abs_mydir/../conf" && pwd -P)"}
: ${__cdist_explorer_dir:=$__cdist_conf_dir/$__cdist_name_explorer}
: ${__cdist_manifest_dir:=$__cdist_conf_dir/$__cdist_name_manifest}
: ${__cdist_manifest_init:=$__cdist_manifest_dir/$__cdist_name_init}
: ${__cdist_type_dir:=$__cdist_conf_dir/$__cdist_name_type}
################################################################################
# Local output
#
: ${__cdist_out_dir:=$__cdist_local_base_dir/$__cdist_name_out_dir}
: ${__cdist_out_explorer_dir:=$__cdist_out_dir/$__cdist_name_explorer}
: ${__cdist_out_object_dir:=$__cdist_out_dir/$__cdist_name_object}
: ${__cdist_out_type_dir:=$__cdist_out_dir/$__cdist_name_type}
: ${__cdist_out_type_bin_dir:=$__cdist_out_dir/$__cdist_name_type_bin}
: ${__cdist_objects_created:=$__cdist_out_object_dir/$__cdist_name_objects_created}
################################################################################
# Remote base
#
: ${__cdist_remote_base_dir:=/var/lib/cdist}
: ${__cdist_remote_bin_dir:=$__cdist_remote_base_dir/$__cdist_name_bin}
: ${__cdist_remote_conf_dir:=$__cdist_remote_base_dir/$__cdist_name_conf_dir}
: ${__cdist_remote_explorer_dir:=$__cdist_remote_conf_dir/$__cdist_name_explorer}
: ${__cdist_remote_type_dir:=$__cdist_remote_conf_dir/$__cdist_name_type}
################################################################################
# Remote output
#
: ${__cdist_remote_out_dir:=$__cdist_remote_base_dir/$__cdist_name_out_dir}
: ${__cdist_remote_out_explorer_dir:=$__cdist_remote_out_dir/$__cdist_name_explorer}
: ${__cdist_remote_out_object_dir:=$__cdist_remote_out_dir/$__cdist_name_object}
################################################################################
# Internal functions
#
__cdist_echo()
{
__cdist_echo_type="$1"; shift
set +u
if [ "$__cdist_object_self" ]; then
__cdist_echo_prefix="${__cdist_object_self}:"
else
__cdist_echo_prefix="core: "
fi
set -u
case "$__cdist_echo_type" in
debug)
set +u
if [ "$__cdist_debug" ]; then
echo $__cdist_echo_prefix "Debug: $@"
fi
set -u
;;
info)
echo $__cdist_echo_prefix "$@"
;;
warn)
echo $__cdist_echo_prefix "Warning: $@"
;;
error)
echo $__cdist_echo_prefix "Error: $@" >&2
;;
*)
echo "CORE BUG, who created the broken commit in $0?" >&2
exit 23
;;
esac
}
__cdist_exec_fail_on_error()
{
set +e
sh -e "$@"
if [ "$?" -ne 0 ]; then
__cdist_echo error "$1 exited non-zero"
__cdist_echo warn "Faulty code:"
cat "$1"
__cdist_exit_err "Aborting due to non-zero exit code."
fi
}
__cdist_exit_err()
{
__cdist_echo error "$@"
exit 1
}
__cdist_usage()
{
__cdist_exit_err "$__cdist_myname: $@"
}
__cdist_init_deploy()
{
__cdist_echo info "Creating clean directory structure "
# Ensure there is no old stuff, neither local nor remote
rm -rf "$__cdist_local_base_dir"
ssh "${__cdist_remote_user}@$1" "rm -rf ${__cdist_remote_base_dir}"
# Init base
mkdir -p "$__cdist_local_base_dir"
ssh "${__cdist_remote_user}@$1" "mkdir -p ${__cdist_remote_base_dir}"
# Link configuration source directory - consistent with remote
ln -sf "$__cdist_conf_dir" "$__cdist_local_base_dir/$__cdist_name_conf_dir"
}
################################################################################
# Cache
#
__cdist_cache_dir()
{
cd "${__cdist_local_base_cache_dir}" && pwd -P
}
__cdist_host_cache_dir()
{
echo "$(__cdist_cache_dir)/$1"
}
################################################################################
# Object
#
__cdist_object_code()
{
echo "$(__cdist_object_dir "$1")/${__cdist_name_code}-$2"
}
__cdist_object_prepared()
{
echo "$(__cdist_object_dir "$1")/${__cdist_name_object_prepared}"
}
__cdist_object_finished()
{
echo "$(__cdist_object_dir "$1")/${__cdist_name_object_finished}"
}
__cdist_object_dir()
{
echo "$(__cdist_object_base_dir "$1")/${__cdist_name_dot_cdist}"
}
__cdist_object_base_dir()
{
echo "${__cdist_out_object_dir}/$1"
}
__cdist_object_id_from_object()
{
echo "${1#*/}"
}
# Find objects, remove ./ and /MARKER
__cdist_object_list()
{
local basedir="$1"; shift
# Use subshell to prevent changing cwd in program
(
cd "${basedir}"
find . -name "$__cdist_name_dot_cdist" | \
sed -e 's;^./;;' -e "s;/${__cdist_name_dot_cdist}\$;;"
)
}
__cdist_object_parameter_dir()
{
echo "$(__cdist_object_dir "$1")/${__cdist_name_parameter}"
}
__cdist_object_require()
{
echo "$(__cdist_object_dir "$1")/${__cdist_name_require}"
}
__cdist_object_source_name()
{
echo "$1/${__cdist_name_object_source}"
}
__cdist_object_source()
{
cat "$(__cdist_object_source_name "$1")"
}
__cdist_object_source_add()
{
echo "$__cdist_manifest" >> "$(__cdist_object_source_name "$1")"
}
__cdist_object_type_explorer_dir()
{
echo "$(__cdist_object_dir "$1")/${__cdist_name_explorer}"
}
################################################################################
# Remote
#
__cdist_remote_object_base_dir()
{
echo "${__cdist_remote_out_object_dir}/$1"
}
__cdist_remote_object_dir()
{
echo "$(__cdist_remote_object_base_dir "$1")/${__cdist_name_dot_cdist}"
}
__cdist_remote_object_parameter_dir()
{
echo "$(__cdist_remote_object_dir "$1")/${__cdist_name_parameter}"
}
__cdist_remote_object_type_explorer_dir()
{
echo "$(__cdist_remote_object_dir "$1")/${__cdist_name_explorer}"
}
__cdist_remote_type_explorer_dir()
{
echo "${__cdist_remote_type_dir}/$1/${__cdist_name_explorer}"
}
################################################################################
# Traps
#
__cdist_tmp_removal()
{
rm -rf "${__cdist_tmp_dir}"
}
__cdist_exit_on_kill()
{
kill 0
__cdist_tmp_removal
}
trap __cdist_tmp_removal EXIT
trap __cdist_exit_on_kill SIGINT SIGTERM
################################################################################
# Type
#
__cdist_type_dir()
{
echo "${__cdist_type_dir}/$1"
}
__cdist_type_explorer_dir()
{
echo "${__cdist_type_dir}/$1/${__cdist_name_explorer}"
}
__cdist_type_from_object()
{
echo "${1%%/*}"
}
__cdist_type_has_explorer()
{
# We only create output, if there's at least one explorer
# and can thus be used as a boolean ;-)
if [ -d "$(__cdist_type_explorer_dir "$1")" ]; then
ls -1 "$(__cdist_type_explorer_dir "$1")"
fi
}
__cdist_type_explorer_pushed()
{
[ -f "${__cdist_out_type_dir}/${__cdist_name_type_explorer_pushed}" ] \
&& grep -q "$1" "${__cdist_out_type_dir}/${__cdist_name_type_explorer_pushed}"
}
__cdist_type_explorer_pushed_add()
{
[ -d "$__cdist_out_type_dir" ] || mkdir "$__cdist_out_type_dir"
echo "$1" >> "${__cdist_out_type_dir}/${__cdist_name_type_explorer_pushed}"
}
__cdist_type_gencode()
{
echo "${__cdist_type_dir}/$1/${__cdist_name_gencode}-$2"
}
__cdist_type_manifest()
{
echo "${__cdist_type_dir}/$1/${__cdist_name_manifest}"
}
__cdist_type_parameter_dir()
{
echo "$(__cdist_type_dir "$1")/${__cdist_name_parameter}"
}
__cdist_type_parameter_optional()
{
echo "$(__cdist_type_parameter_dir "$1")/$__cdist_name_parameter_optional"
}
__cdist_type_parameter_required()
{
echo "$(__cdist_type_parameter_dir "$1")/$__cdist_name_parameter_required"
}
__cdist_type_singleton()
{
echo "${__cdist_type_dir}/$1/${__cdist_name_singleton}"
}