tests/utils

   1 # set of functions used to test policy framework with assemble, incremental and Monitor
   2
   3 set +e
   4 #create links to be able to use domains
   5 for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
   6 do
   7        eval ln -s \$dev$d /dev/disk/by-path/loop$d
   8        eval d$d="loop$d"
   9        eval mdadm --zero-superblock \$dev$d
  10 done
  11
  12 devices="/dev/loop[0-9] /dev/loop10 /dev/loop11 /dev/loop12"
  13
  14 # on failure print out few things before exit
  15 # uses testdsc and platform global variables
  16 err(){
  17        echo >&2 "ERROR: $*"
  18        cat $config >&2 || true
  19        cat /proc/mdstat >&2
  20        [ -z "$testdsc" ] || { echo >&2 $platform: $testdsc "- failed"; }
  21        ps -e | grep mdadm >&2 || true
  22        if [ $listfailed == "yes" ]; then
  23                [ "$verbose" != "yes" ] || echo ---FAILED---
  24                flist="$flist \n $platform $testdsc"
  25                failed=1
  26        else
  27                exit 1
  28        fi
  29 }
  30
  31 # set test description
  32 dsc(){
  33        failed=0
  34        testdsc="$*"
  35        [ "$verbose" != "yes" ] || echo $testdsc
  36 }
  37
  38 killmonitor(){
  39        [ -z "$monitorpid" ] || { kill -9 $monitorpid; unset monitorpid; }
  40 }
  41
  42 tidyup(){
  43        killmonitor
  44        mdadm -Ss || true
  45        mdadm -Ss
  46        mdadm --zero-superblock $devices || true
  47        udevadm settle
  48        rm -f $config
  49 }
  50
  51 trap tidyup 0 1 2 3 15
  52
  53 # create a RAID 1 array or container and subarray(s) on 2 disks
  54 # if platform not specified imsm is used
  55 # if subsize is given, first subarray is created with given size and second one on remaining space
  56 ccv(){
  57        # mddevno used to name created array
  58        local mddevno="$1"
  59        # numbers of devices to be used in array
  60        local devno1="$2"
  61        local devno2="$3"
  62        local platform="$4"
  63        local subsize="$5"
  64        local onearray="$6"
  65        [ -n "$platform" ] || platform="imsm"
  66        if [ "$platform" == "imsm" ] || [ "$platform" == "ddf" ]; then
  67                eval mdadm -CR /dev/md/con$mddevno -e $platform -n 2 \$dev$devno1 \$dev$devno2
  68                udevadm settle
  69                [ -z "$subsize" ] || eval mdadm -CR sub$mddevno"_" -l 1 -n 2 /dev/md/con$mddevno -z $subsize
  70                [ -n "$onearray" ] || eval mdadm -CR sub$mddevno -l 1 -n 2 /dev/md/con$mddevno
  71        else
  72                [ -z "$subsize" ] || sizepar="-z $subsize"
  73                eval mdadm -CR arr$mddevno -e $platform -l 1 -n 2 \$dev$devno1 \$dev$devno2 $sizepar
  74                unset sizepar
  75        fi
  76 }
  77
  78 # get container and subarray using given device from mdstat
  79 # sets global variables c and v
  80 getarray(){
  81        local devname=`basename $1`
  82        local platformtype=`grep -A 1 $devname /proc/mdstat | awk '/active/ {getline; print $4 }' | awk -F ":" 'END {print $1}'`
  83        c=`grep "inactive.*$devname" /proc/mdstat | awk -F " " '{print $1}'`
  84        v=`grep " active.*$devname" /proc/mdstat | awk -F " " '{print $1}'`
  85        [ "$platformtype" == "external" ] || c=$v
  86 }
  87
  88 # check if given device belongs to any container and subarray
  89 # if $2 given then only container checked
  90 chkarray(){
  91        local devname="$1"
  92        local subcheck="$2"
  93        getarray $devname
  94        [ -n "$c" ] || err "$devname not in any container"
  95        [ -n "$subcheck" ] || [ -n "$v" ] || err " $devname not in subarray"
  96 }
  97
  98 # test if two devices in the same container/subarray
  99 # $1 $2 - devices
 100 # $3 don't check subarrays, only containers
 101 tst(){
 102        local device1=`basename $1`
 103        local device2=`basename $2`
 104        local subcheck="$3"
 105        chkarray $device1 $subcheck
 106        local x="$c"
 107        local y="$v"
 108        chkarray $device2 $subcheck
 109        [ "$c" == "$x" ] || err "$device1 and $device2 not in the same container"
 110        [ -n "$subcheck" ] || [ "$v" == "$y" ] || err "$device1 and $device2 not in the same subarray"
 111 }
 112
 113 # same as tst, just use numbers of devices instead of names as parameters
 114 dtst(){
 115        local devno1="$1"
 116        local devno2="$2"
 117        local subcheck="$3"
 118        eval tst \$dev$devno1 \$dev$devno2 $subcheck
 119 }
 120
 121 # create containers/subarrays, check if created properly,
 122 # set global variables c$mddevno v$mddevno, usually c0=md127, v0=md126 , etc.
 123 setupdevs(){
 124        local mddevno="$1"
 125        local devno1="$2"
 126        local devno2="$3"
 127        local p="$4"
 128        local subsize="$5"
 129        local onearray="$6"
 130        [ -n "$p" ] || p=$platform
 131        ccv $mddevno $devno1 $devno2 $p $subsize $onearray
 132        dtst $devno1 $devno2
 133        eval c$mddevno=\"$c\"
 134        eval v$mddevno=\"$v\"
 135 }
 136
 137 # check if given spare in container
 138 # usage: chkspare container spare [n]  (n if spare shouldn't be in container)
 139 chkspare(){
 140        local container=`basename $1`
 141        local spare=$2
 142        local expected=$3
 143        getarray $spare
 144        [ -n "$expected" ] || expected="y"
 145        if [ "$expected" == "y" ]; then
 146                [ "$c" == "$container" ] || err "$spare not in container $container"
 147        else
 148                [ "$c" != "$container" ] || err "$spare in container $container"
 149        fi
 150 }
 151
 152 #check if spare was moved from one container to another
 153 # args: from_container to_container spare [yn]
 154 # n when spare should remain in original container
 155 chksparemoved(){
 156        sleep $sleeptime
 157        from_container="$1"
 158        to_container="$2"
 159        spare="$3"
 160        expected="$4"
 161        [ -n "$expected" ] || expected="y"
 162        notexpected="n"; [ "$expected" == "y" ] || notexpected="y"
 163        chkspare $from_container $spare $notexpected
 164        [ $failed -eq 1 ] || chkspare $to_container $spare $expected
 165 }
 166
 167
 168 # for domains defined through policy
 169 createconfig(){
 170 if [ "$1" != "a" ]; then
 171 {
 172        domain=$1
 173        metadata=$2
 174        action=$3
 175        while [ -n "$4" ]; do
 176                echo="policy domain=$domain"
 177                [ "$metadata" == "noplatform" ] ||  echo="$echo metadata=$metadata"
 178                echo="$echo path=loop$4"
 179                echo="$echo action=$action"
 180                echo "$echo"
 181                shift
 182        done
 183 } >> $config
 184 else
 185 {
 186        echo "DEVICES $devlist /dev/md1*"
 187        mdadm -Ebs
 188 } >  $config
 189 fi
 190 #[ "$verbose" != "yes" ] || cat $config | grep policy || true
 191 }