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ngcpcfg/scripts/values

85 lines
2.1 KiB

#!/bin/bash
# Purpose: get a value based on ngcpcfg's config
################################################################################
set -e
set -u
get_value() {
# assume safe defaults
umask 0077
input_file="$(mktemp)"
echo "[% $1 %]" > "${input_file}"
output_file="$(mktemp)"
if "$TT_WRAPPER" "${input_file}" > "${output_file}" 2>/dev/null ; then
cat "${output_file}"
else
RC=1
fi
rm -f "${input_file}" "${output_file}"
}
if [ "${#:-}" -ne 1 ] ; then
echo "Usage: ngcpcfg values <key>" >&2
echo "Example: ngcpcfg values ntp.servers" >&2
exit 1
fi
# support testsuite
FUNCTIONS="${FUNCTIONS:-/usr/share/ngcp-ngcpcfg/functions/}"
HELPER="${HELPER:-/usr/share/ngcp-ngcpcfg/helper/}"
if ! [ -r "${FUNCTIONS}"/main ] ; then
printf "Error: %s/main could not be read. Exiting.\n" "${FUNCTIONS}">&2
exit 1
fi
. "${FUNCTIONS}"/main
TT_WRAPPER="${HELPER}/tt2-wrapper"
# Kill all previous started tt2-daemon Perl processes if they were not stopped properly
killall tt2-daemon 2>/dev/null || true
if [ -n "${NGCP_SOCKETFILE:-}" ] ; then
log_debug "Using $NGCP_SOCKETFILE as tt2-daemon socket file as set via 'NGCP_SOCKETFILE'."
else
NGCP_SOCKETFILE='/var/run/ngcpcfg.socket'
fi
rm -f "${NGCP_SOCKETFILE}"
# Start new tt2-daemon Perl process
"${HELPER}"/tt2-daemon --quiet
# Load all the configs in proper order and check their avialability and valid YAML syntax
for f in ${NGCPCTL_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} ${NETWORK_CONFIG:-} ${EXTRA_CONFIG_FILES:-} ${CONSTANTS_CONFIG:-} ; do
if [ -r "$f" ] ; then
if ! "${HELPER}/tt2-wrapper" "/dev/null" "${f}" ; then
log_error "tt2-daemon cannot load ${f}:"
"${HELPER}/tt2-wrapper" "/dev/null" "${f}"
exit 1
fi
fi
done
# main script
RC=0
# TODO: detect HASH and try to create template to get those values?
res="$(get_value "$1")"
if [[ $res =~ ^ARRAY\(0x.+\)$ ]] ; then
get_value "$1.join(' ')"
else
echo "$res"
fi
# Kill all previous started tt2-daemon Perl processes
killall tt2-daemon 2>/dev/null || true
rm -f "${NGCP_SOCKETFILE}"
exit "$RC"
## END OF FILE #################################################################