runtime.vars

   1 #
   2 # Copyright (C) SUSE LINUX GmbH 2016-2017, all rights reserved.
   3 #
   4 # This library is free software; you can redistribute it and/or modify it
   5 # under the terms of the GNU Lesser General Public License as published
   6 # by the Free Software Foundation; either version 2.1 of the License, or
   7 # (at your option) version 3.
   8 #
   9 # This library is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  12 # License for more details.
  13
  14 function _fail() {
  15         echo "error: $*"
  16         exit 1
  17 }
  18
  19 function _warn() {
  20         echo "warning: $*"
  21 }
  22
  23 # process user defined configuration
  24 . ${RAPIDO_DIR}/rapido.conf \
  25         || _fail "rapido.conf missing - see rapido.conf.example"
  26
  27 function _rt_ceph_src_globals_set {
  28         if [ -f "${CEPH_SRC}/../build/CMakeCache.txt" ]; then
  29                 # cmake build, compiled binaries and configs are in build subdir
  30                 CEPH_BIN="${CEPH_SRC}/../build/bin/ceph"
  31                 CEPH_RBD_BIN="${CEPH_SRC}/../build/bin/rbd"
  32                 CEPH_MOUNT_BIN="${CEPH_SRC}/../build/bin/mount.ceph"
  33                 CEPH_RADOS_BIN="${CEPH_SRC}/../build/bin/rados"
  34                 CEPH_FUSE_BIN="${CEPH_SRC}/../build/bin/ceph-fuse"
  35                 CEPH_RADOS_LIB="${CEPH_SRC}/../build/lib/librados.so"
  36                 CEPH_RBD_LIB="${CEPH_SRC}/../build/lib/librbd.so"
  37                 CEPH_CONF="${CEPH_SRC}/../build/ceph.conf"
  38                 CEPH_KEYRING="${CEPH_SRC}/../build/keyring"
  39         else
  40                 # autotools build
  41                 CEPH_BIN="${CEPH_SRC}/ceph"
  42                 CEPH_RBD_BIN="${CEPH_SRC}/rbd"
  43                 CEPH_MOUNT_BIN="${CEPH_SRC}/mount.ceph"
  44                 CEPH_RADOS_BIN="${CEPH_SRC}/rados"
  45                 CEPH_FUSE_BIN="${CEPH_SRC}/ceph-fuse"
  46                 CEPH_RADOS_LIB="${CEPH_SRC}/.libs/librados.so"
  47                 CEPH_RBD_LIB="${CEPH_SRC}/.libs/librbd.so"
  48                 CEPH_CONF="${CEPH_SRC}/ceph.conf"
  49                 CEPH_KEYRING="${CEPH_SRC}/keyring"
  50         fi
  51
  52         RBD_NAMER_BIN="${CEPH_SRC}/ceph-rbdnamer"
  53         RBD_UDEV_RULES="${CEPH_SRC}/../udev/50-rbd.rules"
  54         CEPH_UDEV_RULES="${CEPH_SRC}/../udev/95-ceph-osd.rules"
  55         CEPH_DISK_SYSTEMD_SVC="${CEPH_SRC}/../systemd/ceph-disk@.service"
  56         CEPH_OSD_SYSTEMD_SVC="${CEPH_SRC}/../systemd/ceph-osd@.service"
  57 }
  58
  59 function _rt_ceph_installed_globals_set {
  60         # use installed Ceph binaries and configs
  61         RBD_NAMER_BIN="/usr/bin/ceph-rbdnamer"
  62         RBD_UDEV_RULES="/usr/lib/udev/rules.d/50-rbd.rules"
  63         CEPH_UDEV_RULES="/usr/lib/udev/rules.d/95-ceph-osd.rules"
  64         CEPH_DISK_SYSTEMD_SVC="/usr/lib/systemd/system/ceph-disk@.service"
  65         CEPH_OSD_SYSTEMD_SVC="/usr/lib/systemd/system/ceph-osd@.service"
  66         CEPH_BIN="/usr/bin/ceph"
  67         CEPH_RBD_BIN="/usr/bin/rbd"
  68         CEPH_MOUNT_BIN="/usr/sbin/mount.ceph"
  69         CEPH_RADOS_BIN="/usr/bin/rados"
  70         CEPH_FUSE_BIN="/usr/bin/ceph-fuse"
  71         CEPH_RADOS_LIB="/usr/lib64/librados.so"
  72         CEPH_RBD_LIB="/usr/lib64/librbd.so"
  73         CEPH_CONF="/etc/ceph/ceph.conf"
  74         CEPH_KEYRING="/etc/ceph/ceph.client.${CEPH_USER}.keyring"
  75 }
  76
  77 function _rt_require_ceph {
  78         if [ -n "$CEPH_SRC" ]; then
  79                 _rt_ceph_src_globals_set
  80         else
  81                 _rt_ceph_installed_globals_set
  82         fi
  83
  84         [ -f "$RBD_NAMER_BIN" ] || _fail "missing $RBD_NAMER_BIN"
  85         [ -f "$RBD_UDEV_RULES" ] || _fail "missing $RBD_UDEV_RULES"
  86         [ -f "$CEPH_UDEV_RULES" ] || _fail "missing $CEPH_UDEV_RULES"
  87         [ -f "$CEPH_DISK_SYSTEMD_SVC" ] \
  88                                 || _fail "missing $CEPH_DISK_SYSTEMD_SVC"
  89         [ -f "$CEPH_OSD_SYSTEMD_SVC" ] || _fail "missing $CEPH_OSD_SYSTEMD_SVC"
  90         [ -f "$CEPH_BIN" ] || _fail "missing $CEPH_BIN"
  91         [ -f "$CEPH_RBD_BIN" ] || _fail "missing $CEPH_RBD_BIN"
  92         [ -f "$CEPH_MOUNT_BIN" ] || _fail "missing $CEPH_MOUNT_BIN"
  93         [ -f "$CEPH_RADOS_BIN" ] || _fail "missing $CEPH_RADOS_BIN"
  94         [ -f "$CEPH_FUSE_BIN" ] || _fail "missing $CEPH_FUSE_BIN"
  95         [ -f "$CEPH_RADOS_LIB" ] || _fail "missing $CEPH_RADOS_LIB"
  96         [ -f "$CEPH_RBD_LIB" ] || _fail "missing $CEPH_RBD_LIB"
  97         [ -f "$CEPH_CONF" ] || _fail "missing $CEPH_CONF"
  98         [ -f "$CEPH_KEYRING" ] || _fail "missing $CEPH_KEYRING"
  99 }
 100
 101 function _rt_require_fstests() {
 102         if [ -n "$FSTESTS_DIR" ]; then
 103                 # FSTESTS_DIR is an old config parameter which was used when
 104                 # Dracut didn't correctly install files directly nested under
 105                 # "--include <dir>" paths, only subdirectories were handled.
 106                 # To work around this, FSTESTS_DIR referred to a path with an
 107                 # immediate xfstests subdirectory.
 108                 [ -n "$FSTESTS_SRC" ] \
 109                         && _fail "both FSTESTS_DIR and FSTESTS_SRC defined"
 110                 FSTESTS_SRC="${FSTESTS_DIR}/xfstests"
 111                 _warn "FSTESTS_DIR deprecated, use FSTESTS_SRC=${FSTESTS_SRC}"
 112         fi
 113
 114         [ -n "$FSTESTS_SRC" ] || _fail "FSTESTS_SRC not configured"
 115         [ -d "$FSTESTS_SRC" ] || _fail "missing $FSTESTS_SRC directory"
 116         [ -x "$FSTESTS_SRC/check" ] || _fail "missing $FSTESTS_SRC/check"
 117 }
 118
 119 function _rt_require_blktests() {
 120         [ -n "$BLKTESTS_SRC" ] || _fail "BLKTESTS_SRC not configured"
 121         [ -d "$BLKTESTS_SRC" ] || _fail "missing $BLKTESTS_SRC directory"
 122         [ -x "$BLKTESTS_SRC/check" ] || _fail "missing $BLKTESTS_SRC/check"
 123 }
 124
 125 function _rt_require_zram_params {
 126         # initramfs ramdisk details
 127         ZRAM_INITRD_SIZE="1G"
 128         ZRAM_INITRD_MNT="$RAPIDO_DIR/initrds"
 129
 130         # ramdisk for vstart.sh logs and data
 131         ZRAM_VSTART_OUT_SIZE="1G"
 132         ZRAM_VSTART_DATA_SIZE="1G"
 133
 134         if [ -n "$CEPH_SRC" ]; then
 135                 if [ -f "${CEPH_SRC}/../build/CMakeCache.txt" ]; then
 136                         # with cmake, vstart.sh is triggered from the build dir
 137                         ZRAM_VSTART_OUT_MNT="${CEPH_SRC}/../build/out"
 138                         ZRAM_VSTART_DATA_MNT="${CEPH_SRC}/../build/dev"
 139                 else
 140                         # vstart.sh is triggered from the src dir
 141                         ZRAM_VSTART_OUT_MNT="${CEPH_SRC}/out"
 142                         ZRAM_VSTART_DATA_MNT="${CEPH_SRC}/dev"
 143                 fi
 144
 145                 [ -d "$ZRAM_VSTART_OUT_MNT" ] \
 146                                         || _fail "missing $ZRAM_VSTART_OUT_MNT"
 147                 [ -d "$ZRAM_VSTART_DATA_MNT" ] \
 148                                         || _fail "missing $ZRAM_VSTART_DATA_MNT"
 149         fi
 150 }
 151
 152 function _rt_require_dracut_args() {
 153         [ -f "${KERNEL_SRC}/include/config/kernel.release" ] \
 154                 || _fail "kernel.release file missing $KERNEL_SRC"
 155         local kver="$(cat ${KERNEL_SRC}/include/config/kernel.release)"
 156
 157         local dracut_args="--no-compress --no-hostonly --no-hostonly-cmdline \
 158                            --force --tmpdir $RAPIDO_DIR/initrds/ \
 159                            --kver $kver"
 160
 161         # The optional KERNEL_INSTALL_MOD_PATH rapido.conf parameter can be used
 162         # to specify where Dracut should try to pull built kernel modules from.
 163         if [ -n "$KERNEL_INSTALL_MOD_PATH" ]; then
 164                 local kmoddir="$KERNEL_INSTALL_MOD_PATH/lib/modules/$kver"
 165                 [ -d "$kmoddir" ] \
 166                                 || _fail "missing $kmoddir"
 167                 dracut_args="$dracut_args --kmoddir $kmoddir"
 168         fi
 169
 170         DRACUT_EXTRA_ARGS="$dracut_args"
 171 }
 172
 173 function _rt_require_qemu_kvm_bin {
 174         QEMU_KVM_BIN="$(which qemu-kvm 2>/dev/null)"
 175
 176         if [ -z "$QEMU_KVM_BIN" ]; then
 177                 # Debian uses kvm instead of qemu-kvm
 178                 QEMU_KVM_BIN="$(which kvm 2>/dev/null)"
 179         fi
 180
 181         [ -z "$QEMU_KVM_BIN" ] && _fail "missing qemu-kvm"
 182 }
 183
 184 # initramfs output path
 185 DRACUT_OUT="${RAPIDO_DIR}/initrds/myinitrd"
 186
 187 function _rt_xattr_qemu_args_set
 188 {
 189         local img="$1"
 190         local qemu_args="$2"
 191         local xattr_key="user.rapido.qemu_args"
 192
 193         [ -n "$img" ] || _fail "img parameter is manditory"
 194         [ -f "$img" ] || _fail "no image at $img"
 195         [ -n "$qemu_args" ] || _fail "qemu_args parameter is manditory"
 196
 197         setfattr -n "$xattr_key" -v "$qemu_args" $img \
 198                 || _fail "failed to set xattr on $img"
 199 }
 200
 201 function _rt_xattr_qemu_args_get
 202 {
 203         local img="$1"
 204         local xattr_key="user.rapido.qemu_args"
 205
 206         [ -n "$img" ] || _fail "img parameter is manditory"
 207         [ -f "$img" ] || _fail "no image at $img"
 208
 209         getfattr --only-values -n $xattr_key $img 2> /dev/null
 210 }
 211
 212 function _rt_xattr_vm_networkless_set
 213 {
 214         local img="$1"
 215         local xattr_key="user.rapido.vm_networkless"
 216
 217         [ -n "$img" ] || _fail "img parameter is manditory"
 218         [ -f "$img" ] || _fail "no image at $img"
 219
 220         setfattr -n "$xattr_key" -v "1" $img \
 221                 || _fail "failed to set xattr on $img"
 222 }
 223
 224 function _rt_xattr_vm_networkless_get
 225 {
 226         local img="$1"
 227         local xattr_key="user.rapido.vm_networkless"
 228
 229         [ -n "$img" ] || _fail "img parameter is manditory"
 230         [ -f "$img" ] || _fail "no image at $img"
 231
 232         getfattr --only-values -n $xattr_key $img 2> /dev/null
 233 }
 234
 235 function _rt_xattr_vm_resources_set
 236 {
 237         local img="$1"
 238         local cpus="$2"
 239         local mem="$3"
 240         local xattr_key="user.rapido.vm_resources"
 241         local re='^[0-9]+$'
 242
 243         [ -n "$img" ] || _fail "img parameter is manditory"
 244         [ -f "$img" ] || _fail "no image at $img"
 245         [[ $cpus =~ $re ]] || _fail "num CPUs must be numeric"
 246         re='^[0-9]+[MGmg]?$'
 247         [[ $mem =~ $re ]] || _fail "invalid memory string: $mem"
 248
 249         setfattr -n "$xattr_key" -v "-smp cpus=${cpus} -m $mem" $img \
 250                 || _fail "failed to set xattr on $img"
 251 }
 252
 253 function _rt_xattr_vm_resources_get
 254 {
 255         local img="$1"
 256         local xattr_key="user.rapido.vm_resources"
 257
 258         [ -n "$img" ] || _fail "img parameter is manditory"
 259         [ -f "$img" ] || _fail "no image at $img"
 260
 261         getfattr --only-values -n $xattr_key $img 2> /dev/null
 262 }