tests/qemu-iotests/184

   1 #!/bin/bash
   2 #
   3 # Test I/O throttle block filter driver interface
   4 #
   5 # Copyright (C) 2017 Manos Pitsidianakis
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner="Manos Pitsidianakis"
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 here=`pwd`
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32     _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 _supported_fmt qcow2
  41 _supported_proto file
  42 _supported_os Linux
  43
  44 function do_run_qemu()
  45 {
  46     echo Testing: "$@" | _filter_imgfmt
  47     $QEMU -nographic -qmp-pretty stdio -serial none "$@"
  48     echo
  49 }
  50
  51 function run_qemu()
  52 {
  53     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp\
  54                           | _filter_qemu_io | _filter_generated_node_ids \
  55                           | _filter_actual_image_size
  56 }
  57
  58 _make_test_img 64M
  59 test_throttle=$($QEMU_IMG --help|grep throttle)
  60 [ "$test_throttle" = "" ] && _supported_fmt throttle
  61
  62 echo
  63 echo "== checking interface =="
  64
  65 run_qemu <<EOF
  66 { "execute": "qmp_capabilities" }
  67 { "execute": "blockdev-add",
  68   "arguments": {
  69     "driver": "$IMGFMT",
  70     "node-name": "disk0",
  71     "file": {
  72       "driver": "file",
  73       "filename": "$TEST_IMG"
  74     }
  75   }
  76 }
  77 { "execute": "object-add",
  78   "arguments": {
  79     "qom-type": "throttle-group",
  80     "id": "group0",
  81     "props": {
  82       "limits" : {
  83         "iops-total": 1000
  84       }
  85     }
  86   }
  87 }
  88 { "execute": "blockdev-add",
  89   "arguments": {
  90     "driver": "throttle",
  91     "node-name": "throttle0",
  92     "throttle-group": "group0",
  93     "file": "disk0"
  94   }
  95 }
  96 { "execute": "query-named-block-nodes" }
  97 { "execute": "query-block" }
  98 { "execute": "quit" }
  99 EOF
 100
 101 echo
 102 echo "== property changes in ThrottleGroup =="
 103
 104 run_qemu <<EOF
 105 { "execute": "qmp_capabilities" }
 106 { "execute": "object-add",
 107   "arguments": {
 108     "qom-type": "throttle-group",
 109     "id": "group0",
 110     "props" : {
 111       "limits": {
 112           "iops-total": 1000
 113       }
 114     }
 115   }
 116 }
 117 { "execute" : "qom-get",
 118   "arguments" : {
 119     "path" : "group0",
 120     "property" : "limits"
 121   }
 122 }
 123 { "execute" : "qom-set",
 124     "arguments" : {
 125         "path" : "group0",
 126         "property" : "limits",
 127         "value" : {
 128             "iops-total" : 0
 129         }
 130     }
 131 }
 132 { "execute" : "qom-get",
 133   "arguments" : {
 134     "path" : "group0",
 135     "property" : "limits"
 136   }
 137 }
 138 { "execute": "quit" }
 139 EOF
 140
 141 echo
 142 echo "== object creation/set errors  =="
 143
 144 run_qemu <<EOF
 145 { "execute": "qmp_capabilities" }
 146 { "execute": "object-add",
 147   "arguments": {
 148     "qom-type": "throttle-group",
 149     "id": "group0",
 150     "props" : {
 151       "limits": {
 152           "iops-total": 1000
 153       }
 154     }
 155   }
 156 }
 157 { "execute" : "qom-set",
 158   "arguments" : {
 159     "path" : "group0",
 160     "property" : "x-iops-total",
 161     "value" : 0
 162   }
 163 }
 164 { "execute" : "qom-set",
 165     "arguments" : {
 166         "path" : "group0",
 167         "property" : "limits",
 168         "value" : {
 169             "iops-total" : 10,
 170             "iops-read" : 10
 171         }
 172     }
 173 }
 174 { "execute": "quit" }
 175 EOF
 176
 177 echo
 178 echo "== don't specify group =="
 179
 180 run_qemu <<EOF
 181 { "execute": "qmp_capabilities" }
 182 { "execute": "blockdev-add",
 183   "arguments": {
 184     "driver": "$IMGFMT",
 185     "node-name": "disk0",
 186     "file": {
 187       "driver": "file",
 188       "filename": "$TEST_IMG"
 189     }
 190   }
 191 }
 192 { "execute": "blockdev-add",
 193   "arguments": {
 194     "driver": "throttle",
 195     "node-name": "throttle0",
 196     "file": "disk0"
 197   }
 198 }
 199 { "execute": "quit" }
 200 EOF
 201
 202 echo
 203 # success, all done
 204 echo "*** done"
 205 rm -f $seq.full
 206 status=0