ceph/src/ceph_common.sh

#!/bin/sh

CCONF="$BINDIR/cconf"

conf=$ETCDIR"/ceph.conf"
hostname=`hostname | cut -d . -f 1`


verify_conf() {
    # make sure ceph.conf exists
    if [ ! -e $conf ]; then
	echo "$0: ceph conf $conf not found"
	usage_exit
    fi
}


check_host() {
    # what host is this daemon assigned to?
    host=`$CCONF -c $conf -i $id -t $type host`
    ssh=""
    dir=$PWD
    if [ -n "$host" ]; then
	#echo host for $name is $host, i am $hostname
	if [ "$host" != "$hostname" ]; then
	    # skip, unless we're starting remote daemons too
	    if [ $allhosts -eq 0 ]; then
		return 1
	    fi

	    # we'll need to ssh into that host
	    get_conf sshuser "" "user"
	    if [ -z "$sshuser" ]; then
		ssh="ssh $host"
	    else
		ssh="ssh $sshuser@$host"
	    fi
	    get_conf dir "$dir" "ssh path"
	fi
    else
	host=$hostname
    fi

    echo -n "=== $name === "

    return 0
}

do_cmd() {
    if [ -z "$ssh" ]; then
	[ $verbose -eq 1 ] && echo "--- $host# $1"
	ulimit -c unlimited
	bash -c "$1" || { echo "failed: '$1'" ; exit 1; }
    else
	[ $verbose -eq 1 ] && echo "--- $ssh $2 \"cd $dir ; ulimit -c unlimited ; $1\""
	$ssh $2 "cd $dir ; ulimit -c unlimited ; $1" || { echo "failed: '$ssh $1'" ; exit 1; }
    fi
}

get_name_list() {
    orig=$1

    if [ -z "$orig" ]; then
        # extract list of monitors, mdss, osds defined in startup.conf
	what=`$CCONF -c $conf -l mon | egrep -v '^mon$' ; \
	    $CCONF -c $conf -l mds | egrep -v '^mds$' ; \
	    $CCONF -c $conf -l osd | egrep -v '^osd$'`
	return
    fi

    what=""
    for f in "$orig"; do
	type=`echo $f | cut -c 1-3`   # e.g. 'mon', if $item is 'mon1'
	bit=`$CCONF -c $conf -l $type | egrep -v "^$type$"`
	case $f in
	    mon | osd | mds)
		what="$what $bit"
		;;
	    *)
		if echo " " $bit " " | grep -v -q " $f "; then
		    echo "$0: $type '$f' not found ($conf defines "$bit")"
		    exit 1
		fi
		what="$what $f"
		;;
	esac
    done
}


get_val() {
  [ "$2" != "" ] && export $1=$2 || export $1=`$CCONF -c $conf "$3" "$4" "$5"`
}

get_val_bool() {
  if [ "$2" != "" ]; then
	export $1=$2
  else
	tmp=`$CCONF "$3" "$4" "$5"`
	export $1=$5

	[ "$tmp" = "0" ] && export $1=0
	[ "$tmp" = "false" ] && export $1=0
	[ "$tmp" = "1" ] && export $1=1
	[ "$tmp" = "true" ] && export $1=1
  fi
}

get_conf() {
	var=$1
	def=$2
	key=$3
	shift; shift; shift

	[ $verbose -eq 1 ] && echo "$CCONF -c $conf -i $id -t $type $tmp \"$key\" \"$def\""
	eval "$var=\"`$CCONF -c $conf -i $id -t $type $tmp \"$key\" \"$def\"`\""
}

get_conf_bool() {
	get_conf "$@"

	eval "val=$"$1
	[ "$val" = "0" ] && export $1=0
	[ "$val" = "false" ] && export $1=0
	[ "$val" = "1" ] && export $1=1
	[ "$val" = "true" ] && export $1=1
}