X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre-iokit%2Fobdfilter-survey%2Flibobd;fp=lustre-iokit%2Fobdfilter-survey%2Flibobd;h=3beeecf3361da177eae7ac4bdedb068484182107;hb=c2ec235e28383022a50c0a85c64844a491569d2e;hp=0000000000000000000000000000000000000000;hpb=3b713b9ca7b527805a8a0882e2bd722ac069bf3f;p=fs%2Flustre-release.git

diff --git a/lustre-iokit/obdfilter-survey/libobd b/lustre-iokit/obdfilter-survey/libobd
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+#!/bin/bash
+#*  Copyright (C) 2002 Cluster File Systems, Inc.
+#*   Author: Jitendra Pawar <jitendra@clusterfs.com>
+#*
+#*   Lustre-iokit is free software; you can redistribute it and/or
+#*   modify it under the terms of version 2 of the GNU General Public
+#*   License as published by the Free Software Foundation.
+#*
+#*   Lustre-iokit is distributed in the hope that it will be useful,
+#*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#*   GNU General Public License for more details.
+#*
+#*   You should have received a copy of the GNU General Public License
+#*   along with Lustre; if not, write to the Free Software
+#*   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# binaries
+lsmod="/sbin/lsmod"
+modprobe="/sbin/modprobe"
+insmod="/sbin/insmod"
+rmmod="/sbin/rmmod"
+
+declare -a ost_names
+declare -a host_list
+declare -a dev_list
+declare -a unique_hosts
+declare count
+declare -a vmstatpids
+declare -a do_unload_echo
+
+
+# This function executes the command sent through parameters to host
+# parameters
+# 1. hostname
+# 2. command to be executed on host
+custom_remote_shell () {
+    host=$1
+    shift
+    cmds="$*"
+    here=`pwd`
+    # Hop on to the remote node, chdir to 'here' and run the given
+    # commands. One of the following will probably work.
+    ssh $host "cd $here; $cmds"
+    #rsh $host "cd $here; $cmds"
+    # we have to remove the leading `uname -n`: from pdsh output lines
+    #pdsh -w $host "cd $here; $cmds" | sed 's/^[^:]*://'
+}
+
+# how to run commands on other nodes
+# You need to make this work on your cluster if you have specified
+# non-local obd instances above
+remote_shell () {
+    host=$1
+    shift
+    cmds="$*"
+    if [ "$host" = "localhost" -o "$host" = `uname -n` ]; then
+	eval "$cmds"
+    else
+	custom_remote_shell $host "$cmds"
+    fi
+}
+
+# checks whether obdecho module is loded on given host.
+# parameter: 1. hostname
+obdecho_loaded() {
+    local host=$1
+    remote_shell $host $lsmod | grep obdecho > /dev/null 2>&1
+}
+
+# load obdecho.ko or obdecho.o module on host kernel.
+load_obdecho () {
+    local index=$1
+    local host=${unique_hosts[$index]}
+    do_unload_echo[$index]=0
+    if obdecho_loaded $host; then
+        return 0
+    fi
+    if [ -z "$lustre_root" ]; then
+        remote_shell $host $modprobe obdecho
+    elif [ -f ${lustre_root}/obdecho/obdecho.ko ]; then
+        remote_shell $host $insmod ${lustre_root}/obdecho/obdecho.ko
+    else
+        remote_shell $host $insmod ${lustre_root}/obdecho/obdecho.o
+    fi
+    if obdecho_loaded $host; then
+        do_unload_echo[$index]=1
+    else
+        echo Could not install obdecho on $host
+        return 1
+    fi
+    return 0
+}
+
+load_obdechos () {
+    for ((i = 0; i < ${#unique_hosts[@]}; i++)); do
+                load_obdecho $i || cleanup 1
+    done
+}
+
+# unload obdecho module from host kernel.
+unload_obdecho () {
+    local index=$1
+    local host=${unique_hosts[$index]}
+    if ((${do_unload_echo[$index]})); then
+        remote_shell $host $rmmod obdecho
+        do_unload_echo[$index]=0
+    fi
+}
+
+# returns the device number which is displayed in "lctl device_list"
+# 
+# parameter: 1. hostname
+#	     2. type of device ex: echo_client
+#	     3. name of device ex: ECHO_matrix.linsyssoft.com
+get_devno () {
+    local host=$1
+    local type=$2
+    local name=$3
+    remote_shell $host $lctl device_list | \
+	awk "{if (\$2 == \"UP\" && \$3 == \"$type\" && \$4 == \"$name\") {\
+	          print \$1; exit}}"
+}
+
+get_devnos () {
+    local i=0
+    local host
+    for ((i = 0; i < $count; i++)); do
+        ost=${ost_names[$i]}
+        host=${host_list[$i]}
+        dev=$(get_devno $host obdfilter $ost)
+        dev_list[$i]=$dev
+        if [ -z "$dev" ]; then
+            echo Cant find device for $ost on $host
+            return 1
+        fi
+    done
+    return 0
+}
+
+# do cleanup and exit.
+cleanup () {
+    for ((i = 0; i < ndevs; i++)); do
+    	host=${host_names[$i]}
+	    if [ -n ${do_teardown_ec[$i]} ]; then
+        	teardown_ec_devno $host ${client_names[$i]}
+	    fi
+    done
+    pidcount=0
+    for host in ${unique_hosts[@]}; do
+        remote_shell $host "killall vmstat -q" &
+        pid=$!
+        kill -term ${vmstatpids[$pidcount]} 2>/dev/null
+        kill -kill ${vmstatpids[$pidcount]} 2>/dev/null
+        wait $pid
+        pidcount=$((pidcount+1))
+        if ((${do_unload_obdecho[$host]})); then
+            unload_obdecho $host
+        fi
+    done
+    if [ $case == "network" ]; then
+        lctl <<EOF
+        device osc_testfs
+        cleanup
+        detach
+EOF
+        remote_shell "root@$server_nid" "lctl << EOF
+            device OSS
+            cleanup
+            detach
+            device ost_testfs
+            cleanup
+            detach
+EOF"
+    fi
+    if [ $1 -ne 0 ]; then 
+	echo "program exited with error "
+    else
+	echo "done!"
+    fi
+    exit $1
+}
+trap cleanup SIGHUP SIGINT SIGTERM
+
+# gets echoclient device number and attch it to the client UUID
+# 
+# parameter: 1. hostname
+#	     2. client name, ex:- ns8:ECHO_ns8
+#	     3. name of ost instances, ex:- lustre-OST0001 
+get_ec_devno () {
+    local host=$1
+    local client_name="$2"
+    local ost_name="$3"
+    if [ -z "$client_name" ]; then
+	if [ -z "$ost_name" ]; then
+	    echo "client and ost name both null" 1>&2
+	    return
+	fi
+	client_name=${ost_name}_echo_client
+    fi
+    ec=`get_devno $host echo_client $client_name`
+    if [ -n "$ec" ]; then
+	echo $ec $client_name $client_name
+	return
+    fi
+    if [ -z "$ost_name" ]; then
+	echo "no echo client and ost_name not set, client: $client_name, host: $host" 1>&2
+	return
+    fi
+    ost=`get_devno $host obdfilter $ost_name`
+    if [ -z "$ost" ]; then
+	echo "OST $ost_name not setup" 1>&2
+	return
+    fi
+    remote_shell $host "$lctl <<EOF
+        attach echo_client $client_name ${client_name}_UUID
+	setup $ost_name
+EOF"
+    ec=`get_devno $host echo_client $client_name`
+    if [ -z "$ec" ]; then
+	echo "Can't setup echo client" 1>&2
+	return
+    fi
+    echo $ec $client_name 1
+}
+
+# Create echo-clients using osc_names and osc_uuid
+# It creates echoclients for all osc listed using #lctl device_list command
+ec_using_osc () {
+    local osc_name=$1
+    local osc_uuid=$2
+    $lctl <<EOF
+        attach echo_client ECHO_$osc_name $osc_uuid
+        cfg_device ECHO_$osc_name
+        setup $osc_name
+EOF
+
+}
+
+# create echo client using server nid.
+ec_using_srv_nid () {
+    local server_nid=$1
+    local ocsname=$2
+    local oscuuid=$3
+    $lctl <<EOF
+        add_uuid testfs_UUID $server_nid@tcp
+        attach osc $ocsname $oscuuid
+        cfg_device $ocsname
+        setup ost_testfs_UUID testfs_UUID
+EOF
+    $lctl <<EOF
+        attach echo_client ECHO_$ocsname $oscuuid
+        setup $ocsname 
+EOF
+}
+
+# setup obdecho and ost on server
+setup_srv_obd () {
+    local server_nid=$1
+    local test_ostfsnm=$2
+    echo 
+    remote_shell "root@$server_nid" "$lctl << EOF
+       	attach obdecho $test_ostfsnm ${test_ostfsnm}_UUID
+        cfg_device $test_ostfsnm
+        setup
+        attach ost OSS OSS_UUID
+        cfg_device OSS
+        setup
+EOF"  
+}
+
+# cleanup and detach the echo-clients that we have created during the test.
+# parameter: 1. hostname
+#	     2. client name, ex:- ns8:ECHO_ns8
+teardown_ec_devno () {
+    local host=$1
+    local client_name=$2
+    remote_shell $host "$lctl <<EOF
+	cfg $client_name
+	cleanup
+	detach
+EOF"
+}
+
+unique () {
+    echo "$@" | xargs -n1 echo | sort -u
+}
+
+split_hostname () {
+    local name=$1
+    case $name in
+    *:*) host=`echo $name | sed 's/:.*$//'`
+	 name=`echo $name | sed 's/[^:]*://'`
+	 ;;
+    *)   host=localhost
+	 ;;
+    esac
+    echo "$host $name"
+}
+
+check_cleanup () {
+    type_obj="$1"
+    osc_names_str=$(lctl dl | grep $type_obj)
+    count=0;
+    for name in $osc_names_str; do
+        count=$((count+1))
+    done
+    
+    if [ $count != 0 ]; then
+        echo "$type_obj could not be cleanup";
+        exit 0;
+    fi 
+
+}
+
+check_setup () {
+    type_obj="$1"
+    osc_names_str=$(lctl dl | grep $type_obj)
+    count=0;
+    for name in $osc_names_str; do
+        count=$((count+1))
+    done
+
+    if [ $count == 0 ]; then
+        echo "$type_obj could not be setup";
+        exit 0;
+    fi
+
+}
+
+# added from bugzill req.
+get_targets () {
+    if [ -z "$ost_names" ]; then
+        OSTS=$($lctl device_list | awk "{if (\$2 == \"UP\" && \
+            \$3 == \"obdfilter\") {print \$4} }")
+    fi
+    if [ -z "$OSTS" ]; then
+        echo "Can't find any OSTs to test.  Please set ost_names=..."
+        exit 1
+    fi
+    count=0
+    for name in $OSTS; do
+        ost_names[$count]=$name
+        count=$((count+1))
+    done
+}
+
+get_hosts () {
+    # split out hostnames from ost names
+    for ((i = 0; i < count; i++)); do
+        str=(`split_hostname ${OSTS[$i]}`)
+        host_list[$i]=${str[0]}
+        ost_names[$i]=${str[1]}
+    done
+}