2025-05-07 21:04:00 +08:00

77 lines
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Bash
Executable File

#!/bin/bash
##################################################
# Mount dir #
# - /var/lib/pgsql #
# - /var/log/pgsql #
# - /etc/pgsql/conf.d #
##################################################
set -euo pipefail
export LANG=en_US.UTF-8
trap Quit EXIT
PIDS=
GOT_SIGTERM=
LOG_DIR=/var/log/pgsql
DATA_DIR=/var/lib/pgsql
VERSION=$VERSION
function Print {
local file=/dev/null
[ '-f' = "$1" ] && file=$2 && shift && shift
date +"[%F %T] $*" | tee -a $file
}
function Quit {
Print killing pgsql ...
su - postgres -c "pg_ctl stop" || true
while :; do
pkill -x postmaster && Print killing postmaster ... || break
sleep 2
done
Print Container stopped.
test -n "$GOT_SIGTERM"
}
function Init {
chown -R postgres:postgres $LOG_DIR $DATA_DIR
if [ -z "$(ls $DATA_DIR)" ]; then
Print Initing pgsql db files ...
su - postgres -c "initdb --pgdata=$DATA_DIR --locale=en_US.UTF-8"
else
Print Checking pgsql db dir ...
su - postgres -c "postgresql-$VERSION-check-db-dir $DATA_DIR"
fi
}
function StartProc {
Print Starting pgsql ...
local sock="/tmp/.s.PGSQL.$(su - postgres -c 'postmaster -C port')"
rm -f $sock
su - postgres -c postmaster &
PIDS="$PIDS $!"
while sleep 1; do
[ -e $sock ] && break || echo -n .
[ ! -e /proc/$! ] && echo && Print unexpected error! && exit
done
echo
Print PGSQL is ready for connections.
}
function Main {
local pid=
Init
StartProc
trap "GOT_SIGTERM=1; Print Got SIGTERM ..." SIGTERM
while [ -z "$GOT_SIGTERM" ] && sleep 2; do
for pid in $PIDS; do
[ ! -e /proc/$pid ] && Print Unexpected error! && exit
done
done
}
# Start here
Main