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Diffstat (limited to 'harmony/postgresql/postgresql.initd')
| -rw-r--r-- | harmony/postgresql/postgresql.initd | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/harmony/postgresql/postgresql.initd b/harmony/postgresql/postgresql.initd new file mode 100644 index 000000000..846229a40 --- /dev/null +++ b/harmony/postgresql/postgresql.initd @@ -0,0 +1,220 @@ +#!/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\"" +} |