dgiot/bin/node_dump
2021-05-22 03:06:00 +09:00

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#!/bin/sh
set -eu
ROOT_DIR="$(cd "$(dirname "$(readlink "$0" || echo "$0")")"/..; pwd -P)"
echo "Running node dump in ${ROOT_DIR}"
cd "${ROOT_DIR}"
DUMP="log/node_dump_$(date +"%Y%m%d_%H%M%S").tar.gz"
CONF_DUMP="log/conf.dump"
SYSINFO="log/sysinfo.txt"
LOG_MAX_AGE_DAYS=3
collect() {
echo "========================================================"
echo " $*"
echo "========================================================"
eval "$*" || echo "Unavailable"
echo
}
show_help() {
echo "Collect information about the EMQ X node
USAGE:
bin/node_dump [-a DAYS]
OPTIONS:
-a n Set maximum age of collected log files in days (3 by default)"
exit 1
}
while getopts "a:h" opt; do
case "${opt}" in
a) LOG_MAX_AGE_DAYS="${OPTARG}" ;;
h) show_help ;;
*) ;;
esac
done
# Collect system info:
{
collect bin/emqx_ctl broker
collect bin/emqx eval "'emqx_node_dump:sys_info()'"
collect uname -a
collect uptime
collect free
collect netstat -tnl
collect bin/emqx_ctl plugins list
collect bin/emqx_ctl modules list
collect bin/emqx_ctl vm all
collect bin/emqx_ctl listeners
} > "${SYSINFO}"
# Collect information about the configuration:
{
collect bin/emqx eval "'emqx_node_dump:app_env_dump()'"
} > "${CONF_DUMP}"
# Pack files
{
find log -mtime -"${LOG_MAX_AGE_DAYS}" \( -name '*.log.*' -or -name 'run_erl.log*' \)
echo "${SYSINFO}"
echo "${CONF_DUMP}"
} | tar czf "${DUMP}" -T -
## Cleanup:
rm "${SYSINFO}"
#rm "${CONF_DUMP}" # Keep it for inspection
echo "Created a node dump ${DUMP}"
echo
echo "WARNING: this script tries to obfuscate secrets, but make sure to
inspect log/conf.dump file manually before uploading the node dump
to a public location."