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|
#!/sbin/openrc-run
extra_started_commands="reload"
description_reload="Reload configuration"
extra_stopped_commands="setup"
description_setup="Initialize a new PostgreSQL cluster"
# Note: Uppercase variables are here for backward compatibility.
: ${user:=${PGUSER:-"postgres"}}
: ${group:=${PGGROUP:-"postgres"}}
: ${auto_setup:=${AUTO_SETUP:-"yes"}}
: ${start_timeout:=${START_TIMEOUT:-10}}
: ${nice_timeout:=${NICE_TIMEOUT:-60}}
: ${rude_quit:=${RUDE_QUIT:-"yes"}}
: ${rude_timeout:=${RUDE_TIMEOUT:-30}}
: ${force_quit:=${FORCE_QUIT:-"no"}}
: ${force_timeout:=${FORCE_TIMEOUT:-2}}
: ${data_dir:=${PGDATA:-"/var/lib/postgresql/@VERSION@/data"}}
: ${conf_dir:=$data_dir}
: ${env_vars:=${PG_EXTRA_ENV:-}}
: ${initdb_opts:=${PG_INITDB_OPTS:-}}
: ${logfile:="$data_dir/postmaster.log"}
: ${pg_opts:=${PGOPTS:-}}
: ${port:=${PGPORT:-5432}}
command="/usr/bin/postgres"
conffile="$conf_dir/postgresql.conf"
pidfile="$data_dir/postmaster.pid"
start_stop_daemon_args="
--user $user
--group $group
--pidfile $pidfile
--wait 100"
depend() {
use net
after firewall
if [ "$(get_config log_destination)" = "syslog" ]; then
use logger
fi
}
start_pre() {
check_deprecated_var WAIT_FOR_START start_timeout
check_deprecated_var WAIT_FOR_DISCONNECT nice_timeout
check_deprecated_var WAIT_FOR_CLEANUP rude_timeout
check_deprecated_var WAIT_FOR_QUIT force_timeout
if [ ! -d "$data_dir/base" ]; then
if yesno "$auto_setup"; then
setup || return 1
else
eerror "Database not found at: $data_dir"
eerror "Please make sure that 'data_dir' points to the right path."
eerror "You can run '/etc/init.d/postgresql setup' to setup a new database cluster."
return 1
fi
fi
local socket_dirs=$(get_config "unix_socket_directories" "/run/postgresql")
local port=$(get_config "port" "$port")
start_stop_daemon_args="$start_stop_daemon_args --env PGPORT=$port"
(
# Set the proper permission for the socket paths and create them if
# then don't exist.
set -f; IFS=","
for dir in $socket_dirs; do
if [ -e "${dir%/}/.s.PGSQL.$port" ]; then
eerror "Socket conflict. A server is already listening on:"
eerror " ${dir%/}/.s.PGSQL.$port"
eerror "Hint: Change 'port' to listen on a different socket."
return 1
elif [ "${dir%/}" != "/tmp" ]; then
checkpath -d -m 1775 -o $user:$group "$dir"
fi
done
)
}
start() {
local retval
ebegin "Starting PostgreSQL"
local var; for var in $env_vars; do
start_stop_daemon_args="$start_stop_daemon_args --env $var"
done
rm -f "$pidfile"
start-stop-daemon --start \
$start_stop_daemon_args \
--exec /usr/bin/pg_ctl \
-- start \
--silent \
-w --timeout="$start_timeout" \
--log="$logfile" \
--pgdata="$conf_dir" \
-o "--data-directory=$data_dir $pg_opts"
retval=$?
if [ $retval -ne 0 ]; then
eerror "Check the log for a possible explanation of the above error:"
eerror " $logfile"
fi
eend $retval
}
stop() {
local retry="SIGTERM/$nice_timeout"
yesno "$rude_quit" \
&& retry="$retry/SIGINT/$rude_timeout" \
|| rude_timeout=0
yesno "$force_quit" \
&& retry="$retry/SIGQUIT/$force_timeout" \
|| force_timeout=0
local seconds=$(( $nice_timeout + $rude_timeout + $force_timeout ))
ebegin "Stopping PostgreSQL (this can take up to $seconds seconds)"
start-stop-daemon --stop \
--exec "$command" \
--retry "$retry" \
--progress \
--pidfile "$pidfile"
eend $?
}
reload() {
ebegin "Reloading PostgreSQL configuration"
start-stop-daemon --signal HUP --pidfile "$pidfile"
eend $?
}
setup() {
local bkpdir
ebegin "Creating a new PostgreSQL database cluster"
if [ -d "$data_dir/base" ]; then
eend 1 "$data_dir/base already exists!"; return 1
fi
# If data_dir exists, backup configs.
if [ -d "$data_dir" ]; then
bkpdir="$(mktemp -d)"
find "$data_dir" -type f -name "*.conf" -maxdepth 1 \
-exec mv -v {} "$bkpdir"/ \;
rm -rf "$data_dir"/*
fi
install -d -m 0700 -o $user -g $group "$data_dir"
install -d -m 0750 -o $user -g $group "$conf_dir"
cd "$data_dir" # to avoid the: could not change directory to "/root"
su $user -c "/usr/bin/initdb $initdb_opts --pgdata $data_dir"
local retval=$?
if [ -d "$bkpdir" ]; then
# Move backuped configs back.
mv -v "$bkpdir"/* "$data_dir"/
rm -rf "$bkpdir"
fi
if [ "${data_dir%/}" != "${conf_dir%/}" ]; then
# Move configs from data_dir to conf_dir and symlink them to data_dir.
local name newname
for name in postgresql.conf pg_hba.conf pg_ident.conf; do
newname="$name"
[ ! -e "$conf_dir"/$name ] || newname="$name.new"
mv "$data_dir"/$name "$conf_dir"/$newname
ln -s "$conf_dir"/$name "$data_dir"/$name
done
fi
eend $retval
}
get_config() {
local name="$1"
local default="${2:-}"
if [ ! -f "$conffile" ]; then
printf '%s\n' "$default"
return 1
fi
sed -En "/^\s*${name}\b/{ # find line starting with the name
s/^\s*${name}\s*=?\s*([^#]+).*/\1/; # capture the value
s/\s*$//; # trim trailing whitespaces
s/^['\"](.*)['\"]$/\1/; # remove delimiting quotes
p
}" "$conffile" \
| grep . || printf '%s\n' "$default"
}
check_deprecated_var() {
local old_name="$1"
local new_name="$2"
if [ -n "$(getval "$old_name")" ]; then
ewarn "Variable '$old_name' has been removed, please use '$new_name' instead."
fi
}
getval() {
eval "printf '%s\n' \"\$$1\""
}
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