foundationdb/contrib/Joshua/scripts/localClusterStart.sh

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#!/bin/bash
SCRIPTDIR="${SCRIPTDIR:-$( cd "${BASH_SOURCE[0]%\/*}" && pwd )}"
DEBUGLEVEL="${DEBUGLEVEL:-1}"
WORKDIR="${WORKDIR:-${SCRIPTDIR}/tmp/fdb.work}"
LOGDIR="${WORKDIR}/log"
ETCDIR="${WORKDIR}/etc"
BINDIR="${BINDIR:-${SCRIPTDIR}}"
FDBPORTSTART="${FDBPORTSTART:-4000}"
FDBPORTTOTAL="${FDBPORTTOTAL:-1000}"
SERVERCHECKS="${SERVERCHECKS:-10}"
CONFIGUREWAIT="${CONFIGUREWAIT:-240}"
FDBCONF="${ETCDIR}/fdb.cluster"
LOGFILE="${LOGFILE:-${LOGDIR}/startcluster.log}"
AUDITCLUSTER="${AUDITCLUSTER:-0}"
AUDITLOG="${AUDITLOG:-/tmp/audit-cluster.log}"
# Initialize the variables
status=0
messagetime=0
messagecount=0
# Do nothing, if cluster string is already defined
if [ -n "${FDBCLUSTERTEXT}" ]
then
:
# Otherwise, define the cluster text
else
# Define a random ip address and port on localhost
if [ -z "${IPADDRESS}" ]; then
let index2="${RANDOM} % 256"
let index3="${RANDOM} % 256"
let index4="(${RANDOM} % 255) + 1"
IPADDRESS="127.${index2}.${index3}.${index4}"
fi
if [ -z "${FDBPORT}" ]; then
let FDBPORT="(${RANDOM} % ${FDBPORTTOTAL}) + ${FDBPORTSTART}"
fi
FDBCLUSTERTEXT="${IPADDRESS}:${FDBPORT}"
fi
function log
{
local status=0
if [ "$#" -lt 1 ]
then
echo "Usage: log <message> [echo]"
echo
echo "Logs the message and timestamp to LOGFILE (${LOGFILE}) and, if the"
echo "second argument is either not present or is set to 1, stdout."
let status="${status} + 1"
else
# Log to stdout.
if [ "$#" -lt 2 ] || [ "${2}" -ge 1 ]
then
echo "${1}"
fi
# Log to file.
datestr=$(date +"%Y-%m-%d %H:%M:%S (%s)")
dir=$(dirname "${LOGFILE}")
if ! [ -d "${dir}" ] && ! mkdir -p "${dir}"
then
echo "Could not create directory to log output."
let status="${status} + 1"
elif ! [ -f "${LOGFILE}" ] && ! touch "${LOGFILE}"
then
echo "Could not create file ${LOGFILE} to log output."
let status="${status} + 1"
elif ! echo "[ ${datestr} ] ${1}" >> "${LOGFILE}"
then
echo "Could not log output to ${LOGFILE}."
let status="${status} + 1"
fi
fi
return "${status}"
}
# Display a message for the user.
function displayMessage
{
local status=0
if [ "$#" -lt 1 ]
then
echo "displayMessage <message>"
let status="${status} + 1"
elif ! log "${1}" 0
then
log "Could not write message to file."
else
# Increment the message counter
let messagecount="${messagecount} + 1"
# Display successful message, if previous message
if [ "${messagecount}" -gt 1 ]
then
# Determine the amount of transpired time
let timespent="${SECONDS}-${messagetime}"
if [ "${DEBUGLEVEL}" -gt 0 ]; then
printf "... done in %3d seconds\n" "${timespent}"
fi
fi
# Display message
if [ "${DEBUGLEVEL}" -gt 0 ]; then
printf "%-16s %-35s " "$(date "+%F %H-%M-%S")" "$1"
fi
# Update the variables
messagetime="${SECONDS}"
fi
return "${status}"
}
# Create the directories used by the server.
function createDirectories
{
local status=0
# Display user message
if ! displayMessage "Creating directories"
then
echo 'Failed to display user message'
let status="${status} + 1"
elif ! mkdir -p "${LOGDIR}" "${ETCDIR}"
then
log "Failed to create directories"
let status="${status} + 1"
# Display user message
elif ! displayMessage "Setting file permissions"
then
log 'Failed to display user message'
let status="${status} + 1"
elif ! chmod 755 "${BINDIR}/fdbserver" "${BINDIR}/fdbcli"
then
log "Failed to set file permissions"
let status="${status} + 1"
else
while read filepath
do
if [ -f "${filepath}" ] && [ ! -x "${filepath}" ]
then
# if [ "${DEBUGLEVEL}" -gt 1 ]; then
# log " Enable executable: ${filepath}"
# fi
log " Enable executable: ${filepath}" "${DEBUGLEVEL}"
if ! chmod 755 "${filepath}"
then
log "Failed to set executable for file: ${filepath}"
let status="${status} + 1"
fi
fi
done < <(find "${BINDIR}" -iname '*.py' -o -iname '*.rb' -o -iname 'fdb_flow_tester' -o -iname '_stacktester' -o -iname '*.js' -o -iname '*.sh' -o -iname '*.ksh')
fi
return ${status}
}
# Create a cluster file for the local cluster.
function createClusterFile
{
local status=0
if [ "${status}" -ne 0 ]; then
:
# Display user message
elif ! displayMessage "Creating Fdb Cluster file"
then
log 'Failed to display user message'
let status="${status} + 1"
else
description=$(LC_CTYPE=C tr -dc A-Za-z0-9 < /dev/urandom 2> /dev/null | head -c 8)
random_str=$(LC_CTYPE=C tr -dc A-Za-z0-9 < /dev/urandom 2> /dev/null | head -c 8)
echo "${description}:${random_str}@${FDBCLUSTERTEXT}" > "${FDBCONF}"
fi
if [ "${status}" -ne 0 ]; then
:
elif ! chmod 0664 "${FDBCONF}"; then
log "Failed to set permissions on fdbconf: ${FDBCONF}"
let status="${status} + 1"
fi
return ${status}
}
# Stop the Cluster from running.
function stopCluster
{
local status=0
# Add an audit entry, if enabled
if [ "${AUDITCLUSTER}" -gt 0 ]; then
printf '%-15s (%6s) Stopping cluster %-20s (%6s): %s\n' "$(date +'%Y-%m-%d %H:%M:%S')" "${$}" "${FDBCLUSTERTEXT}" "${FDBSERVERID}" >> "${AUDITLOG}"
fi
if [ -z "${FDBSERVERID}" ]; then
log 'FDB Server process is not defined'
let status="${status} + 1"
elif ! kill -0 "${FDBSERVERID}"; then
log "Failed to locate FDB Server process (${FDBSERVERID})"
let status="${status} + 1"
elif "${BINDIR}/fdbcli" -C "${FDBCONF}" --exec "kill; kill ${FDBCLUSTERTEXT}; sleep 3" --timeout 120 &>> "${LOGDIR}/fdbcli-kill.log"
then
# Ensure that process is dead
if ! kill -0 "${FDBSERVERID}" 2> /dev/null; then
log "Killed cluster (${FDBSERVERID}) via cli"
elif ! kill -9 "${FDBSERVERID}"; then
log "Failed to kill FDB Server process (${FDBSERVERID}) via cli or kill command"
let status="${status} + 1"
else
log "Forcibly killed FDB Server process (${FDBSERVERID}) since cli failed"
fi
elif ! kill -9 "${FDBSERVERID}"; then
log "Failed to forcibly kill FDB Server process (${FDBSERVERID})"
let status="${status} + 1"
else
log "Forcibly killed FDB Server process (${FDBSERVERID})"
fi
return "${status}"
}
# Start the server running.
function startFdbServer
{
local status=0
# Add an audit entry, if enabled
if [ "${AUDITCLUSTER}" -gt 0 ]; then
printf '%-15s (%6s) Starting cluster %-20s\n' "$(date +'%Y-%m-%d %H:%M:%S')" "${$}" "${FDBCLUSTERTEXT}" >> "${AUDITLOG}"
fi
if ! displayMessage "Starting Fdb Server"
then
log 'Failed to display user message'
let status="${status} + 1"
else
"${BINDIR}/fdbserver" --knob_disable_posix_kernel_aio=1 -C "${FDBCONF}" -p "${FDBCLUSTERTEXT}" -L "${LOGDIR}" -d "${WORKDIR}/fdb/${$}" &> "${LOGDIR}/fdbserver.log" &
if [ "${?}" -ne 0 ]
then
log "Failed to start FDB Server"
let status="${status} + 1"
else
FDBSERVERID="${!}"
fi
fi
if [ -z "${FDBSERVERID}" ]; then
log "FDB Server start failed because no process"
let status="${status} + 1"
elif ! kill -0 "${FDBSERVERID}" ; then
log "FDB Server start failed because process terminated unexpectedly"
let status="${status} + 1"
fi
return ${status}
}
function getStatus
{
local status=0
if [ "${status}" -ne 0 ]; then
:
elif ! date &>> "${LOGDIR}/fdbclient.log"
then
log 'Failed to get date'
let status="${status} + 1"
elif ! "${BINDIR}/fdbcli" -C "${FDBCONF}" --exec 'status json' --timeout 120 &>> "${LOGDIR}/fdbclient.log"
then
log 'Failed to get status from fdbcli'
let status="${status} + 1"
elif ! date &>> "${LOGDIR}/fdbclient.log"
then
log 'Failed to get date'
let status="${status} + 1"
fi
return ${status}
}
# Verify that the cluster is available.
function verifyAvailable
{
local status=0
if [ -z "${FDBSERVERID}" ]; then
log "FDB Server process is not defined."
let status="${status} + 1"
# Verify that the server is running.
elif ! kill -0 "${FDBSERVERID}"
then
log "FDB server process (${FDBSERVERID}) is not running"
let status="${status} + 1"
# Display user message.
elif ! displayMessage "Checking cluster availability"
then
log 'Failed to display user message'
let status="${status} + 1"
# Determine if status json says the database is available.
else
avail=`"${BINDIR}/fdbcli" -C "${FDBCONF}" --exec 'status json' --timeout "${SERVERCHECKS}" 2> /dev/null | grep -E '"database_available"|"available"' | grep 'true'`
log "Avail value: ${avail}" "${DEBUGLEVEL}"
if [[ -n "${avail}" ]] ; then
:
else
let status="${status} + 1"
fi
fi
return "${status}"
}
# Configure the database on the server.
function createDatabase
{
local status=0
if [ "${status}" -ne 0 ]; then
:
# Ensure that the server is running
elif ! kill -0 "${FDBSERVERID}"
then
log "FDB server process: (${FDBSERVERID}) is not running"
let status="${status} + 1"
# Display user message
elif ! displayMessage "Creating database"
then
log 'Failed to display user message'
let status="${status} + 1"
elif ! echo "Client log:" &> "${LOGDIR}/fdbclient.log"
then
log 'Failed to create fdbclient.log'
let status="${status} + 1"
elif ! getStatus
then
log 'Failed to get status'
let status="${status} + 1"
# Configure the database.
else
"${BINDIR}/fdbcli" -C "${FDBCONF}" --exec 'configure new single memory; status' --timeout "${CONFIGUREWAIT}" --log --log-dir "${LOGDIR}" &>> "${LOGDIR}/fdbclient.log"
if ! displayMessage "Checking if config succeeded"
then
log 'Failed to display user message.'
fi
iteration=0
while [[ "${iteration}" -lt "${SERVERCHECKS}" ]] && ! verifyAvailable
do
log "Database not created (iteration ${iteration})."
let iteration="${iteration} + 1"
done
if ! verifyAvailable
then
log "Failed to create database via cli"
getStatus
cat "${LOGDIR}/fdbclient.log"
log "Ignoring -- moving on"
#let status="${status} + 1"
fi
fi
return ${status}
}
# Begin the local cluster from scratch.
function startCluster
{
local status=0
if [ "${status}" -ne 0 ]; then
:
elif ! createDirectories
then
log "Could not create directories."
let status="${status} + 1"
elif ! createClusterFile
then
log "Could not create cluster file."
let status="${status} + 1"
elif ! startFdbServer
then
log "Could not start FDB server."
let status="${status} + 1"
elif ! createDatabase
then
log "Could not create database."
let status="${status} + 1"
fi
return ${status}
}