#!/bin/bash
#
-# Copyright (C) 2009 Google Inc.
+# Copyright (C) 2009, 2011, 2012 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
set -e
-defaults_file=@SYSCONFDIR@/default/ganeti
+@SHELL_ENV_INIT@
+
+readonly defaults_file="$SYSCONFDIR/default/ganeti"
+
+# This is a list of all daemons and the order in which they're started. The
+# order is important as there are dependencies between them. On shutdown,
+# they're stopped in reverse order.
+DAEMONS=(
+ ganeti-noded
+ ganeti-masterd
+ ganeti-rapi
+ )
+
+_confd_enabled() {
+ [[ "@CUSTOM_ENABLE_CONFD@" == True ]]
+}
+
+if _confd_enabled; then
+ DAEMONS+=( ganeti-confd )
+ DAEMONS+=( ganeti-luxid )
+fi
+
+_mond_enabled() {
+ [[ "@CUSTOM_ENABLE_MOND@" == True ]]
+}
+
+if _mond_enabled; then
+ DAEMONS+=( ganeti-mond )
+fi
NODED_ARGS=
MASTERD_ARGS=
CONFD_ARGS=
+LUXID_ARGS=
RAPI_ARGS=
+MOND_ARGS=
# Read defaults file if it exists
if [[ -s $defaults_file ]]; then
. $defaults_file
fi
+# Meant to facilitate use utilities in /etc/rc.d/init.d/functions in case
+# start-stop-daemon is not available.
+_ignore_error() {
+ eval "$@" || :
+}
+
_daemon_pidfile() {
- echo "@LOCALSTATEDIR@/run/ganeti/$1.pid"
+ echo "$RUN_DIR/$1.pid"
+}
+
+_daemon_executable() {
+ echo "@PREFIX@/sbin/$1"
+}
+
+_daemon_usergroup() {
+ case "$1" in
+ masterd)
+ echo "@GNTMASTERUSER@:@GNTMASTERDGROUP@"
+ ;;
+ confd)
+ echo "@GNTCONFDUSER@:@GNTCONFDGROUP@"
+ ;;
+ luxid)
+ echo "@GNTLUXIDUSER@:@GNTLUXIDGROUP@"
+ ;;
+ rapi)
+ echo "@GNTRAPIUSER@:@GNTRAPIGROUP@"
+ ;;
+ noded)
+ echo "@GNTNODEDUSER@:@GNTDAEMONSGROUP@"
+ ;;
+ mond)
+ echo "@GNTMONDUSER@:@GNTMONDGROUP@"
+ ;;
+ *)
+ echo "root:@GNTDAEMONSGROUP@"
+ ;;
+ esac
+}
+
+# Checks whether the local machine is part of a cluster
+check_config() {
+ local server_pem=$DATA_DIR/server.pem
+ local fname
+
+ for fname in $server_pem; do
+ if [[ ! -f $fname ]]; then
+ echo "Missing configuration file $fname" >&2
+ return 1
+ fi
+ done
+
+ return 0
+}
+
+# Checks the exit code of a daemon
+check_exitcode() {
+ if [[ "$#" -lt 1 ]]; then
+ echo 'Missing exit code.' >&2
+ return 1
+ fi
+
+ local rc="$1"; shift
+
+ case "$rc" in
+ 0) ;;
+ 11)
+ echo "not master"
+ ;;
+ *)
+ echo "exit code $rc"
+ return 1
+ ;;
+ esac
+
+ return 0
+}
+
+# Prints path to PID file for a daemon.
+daemon_pidfile() {
+ if [[ "$#" -lt 1 ]]; then
+ echo 'Missing daemon name.' >&2
+ return 1
+ fi
+
+ local name="$1"; shift
+
+ _daemon_pidfile $name
+}
+
+# Prints path to daemon executable.
+daemon_executable() {
+ if [[ "$#" -lt 1 ]]; then
+ echo 'Missing daemon name.' >&2
+ return 1
+ fi
+
+ local name="$1"; shift
+
+ _daemon_executable $name
+}
+
+# Prints a list of all daemons in the order in which they should be started
+list_start_daemons() {
+ local name
+
+ for name in "${DAEMONS[@]}"; do
+ echo "$name"
+ done
+}
+
+# Prints a list of all daemons in the order in which they should be stopped
+list_stop_daemons() {
+ list_start_daemons | tac
+}
+
+# Checks whether a daemon name is known
+is_daemon_name() {
+ if [[ "$#" -lt 1 ]]; then
+ echo 'Missing daemon name.' >&2
+ return 1
+ fi
+
+ local name="$1"; shift
+
+ for i in "${DAEMONS[@]}"; do
+ if [[ "$i" == "$name" ]]; then
+ return 0
+ fi
+ done
+
+ echo "Unknown daemon name '$name'" >&2
+ return 1
}
# Checks whether daemon is running
check() {
if [[ "$#" -lt 1 ]]; then
echo 'Missing daemon name.' >&2
- exit 1
+ return 1
fi
local name="$1"; shift
+ local pidfile=$(_daemon_pidfile $name)
+ local daemonexec=$(_daemon_executable $name)
- start-stop-daemon --stop --signal 0 --quiet \
- --pidfile $(_daemon_pidfile $name)
+ if type -p start-stop-daemon >/dev/null; then
+ start-stop-daemon --stop --signal 0 --quiet \
+ --pidfile $pidfile
+ else
+ _ignore_error status \
+ -p $pidfile \
+ $daemonexec
+ fi
}
# Starts a daemon
start() {
if [[ "$#" -lt 1 ]]; then
echo 'Missing daemon name.' >&2
- exit 1
+ return 1
fi
local name="$1"; shift
-
# Convert daemon name to uppercase after removing "ganeti-" prefix
- local ucname=$(tr a-z A-Z <<< ${name#ganeti-})
+ local plain_name=${name#ganeti-}
+ local ucname=$(tr a-z A-Z <<<$plain_name)
+ local pidfile=$(_daemon_pidfile $name)
+ local usergroup=$(_daemon_usergroup $plain_name)
+ local daemonexec=$(_daemon_executable $name)
+
+ if ( [[ "$name" == ganeti-confd ]] || [[ "$name" == ganeti-luxid ]] ) \
+ && ! _confd_enabled; then
+ echo 'ganeti-confd disabled at build time' >&2
+ return 1
+ fi
# Read $<daemon>_ARGS and $EXTRA_<daemon>_ARGS
eval local args="\"\$${ucname}_ARGS \$EXTRA_${ucname}_ARGS\""
- start-stop-daemon --start --quiet --oknodo \
- --pidfile $(_daemon_pidfile $name) \
- --startas "@PREFIX@/sbin/$name" \
- -- $args "$@"
+ @PKGLIBDIR@/ensure-dirs
+
+ if type -p start-stop-daemon >/dev/null; then
+ start-stop-daemon --start --quiet --oknodo \
+ --pidfile $pidfile \
+ --startas $daemonexec \
+ --chuid $usergroup \
+ -- $args "$@"
+ else
+ # TODO: Find a way to start daemon with a group, until then the group must
+ # be removed
+ _ignore_error daemon \
+ --pidfile $pidfile \
+ --user ${usergroup%:*} \
+ $daemonexec $args "$@"
+ fi
+
}
# Stops a daemon
stop() {
if [[ "$#" -lt 1 ]]; then
echo 'Missing daemon name.' >&2
- exit 1
+ return 1
fi
local name="$1"; shift
+ local pidfile=$(_daemon_pidfile $name)
- start-stop-daemon --stop --quiet --oknodo --retry 30 \
- --pidfile $(_daemon_pidfile $name)
+ if type -p start-stop-daemon >/dev/null; then
+ start-stop-daemon --stop --quiet --oknodo --retry 30 \
+ --pidfile $pidfile
+ else
+ _ignore_error killproc -p $pidfile $name
+ fi
}
# Starts a daemon if it's not yet running
stop ganeti-masterd
}
+# Start all daemons
+start_all() {
+ for i in $(list_start_daemons); do
+ local rc=0
+
+ # Try to start daemon
+ start $i || rc=$?
+
+ if ! errmsg=$(check_exitcode $rc); then
+ echo "$errmsg" >&2
+ return 1
+ fi
+ done
+
+ return 0
+}
+
+# Stop all daemons
+stop_all() {
+ for i in $(list_stop_daemons); do
+ stop $i
+ done
+}
+
# Reloads the SSH keys
reload_ssh_keys() {
@RPL_SSH_INITD_SCRIPT@ restart
}
+# Read @SYSCONFDIR@/rc.d/init.d/functions if start-stop-daemon not available
+if ! type -p start-stop-daemon >/dev/null && \
+ [[ -f @SYSCONFDIR@/rc.d/init.d/functions ]]; then
+ _ignore_error . @SYSCONFDIR@/rc.d/init.d/functions
+fi
+
if [[ "$#" -lt 1 ]]; then
echo "Usage: $0 <action>" >&2
exit 1
orig_action=$1; shift
+if [[ "$orig_action" == *_* ]]; then
+ echo "Command must not contain underscores" >&2
+ exit 1
+fi
+
# Replace all dashes (-) with underlines (_)
action=${orig_action//-/_}
projects / ganeti-local / blobdiff