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zfs/scripts/zimport.sh

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#!/usr/bin/env bash
#
# Verify that an assortment of known good reference pools can be imported
# using different versions of the ZoL code.
#
# By default references pools for the major ZFS implementation will be
# checked against the most recent ZoL tags and the master development branch.
# Alternate tags or branches may be verified with the '-s <src-tag> option.
# Passing the keyword "installed" will instruct the script to test whatever
# version is installed.
#
# Preferentially a reference pool is used for all tests. However, if one
# does not exist and the pool-tag matches one of the src-tags then a new
# reference pool will be created using binaries from that source build.
# This is particularly useful when you need to test your changes before
# opening a pull request. The keyword 'all' can be used as short hand
# refer to all available reference pools.
#
# New reference pools may be added by placing a bzip2 compressed tarball
# of the pool in the scripts/zfs-images directory and then passing
# the -p <pool-tag> option. To increase the test coverage reference pools
# should be collected for all the major ZFS implementations. Having these
# pools easily available is also helpful to the developers.
#
# Care should be taken to run these tests with a kernel supported by all
# the listed tags. Otherwise build failure will cause false positives.
#
#
# EXAMPLES:
#
# The following example will verify the zfs-0.6.2 tag, the master branch,
# and the installed zfs version can correctly import the listed pools.
# Note there is no reference pool available for master and installed but
# because binaries are available one is automatically constructed. The
# working directory is also preserved between runs (-k) preventing the
# need to rebuild from source for multiple runs.
#
# zimport.sh -k -f /var/tmp/zimport \
# -s "zfs-0.6.2 master installed" \
# -p "zevo-1.1.1 zol-0.6.2 zol-0.6.2-173 master installed"
#
# --------------------- ZFS on Linux Source Versions --------------
# zfs-0.6.2 master 0.6.2-175_g36eb554
# -----------------------------------------------------------------
# Clone ZFS Local Local Skip
# Build ZFS Pass Pass Skip
# -----------------------------------------------------------------
# zevo-1.1.1 Pass Pass Pass
# zol-0.6.2 Pass Pass Pass
# zol-0.6.2-173 Fail Pass Pass
# master Pass Pass Pass
# installed Pass Pass Pass
#
BASE_DIR=$(dirname "$0")
SCRIPT_COMMON=common.sh
if [ -f "${BASE_DIR}/${SCRIPT_COMMON}" ]; then
. "${BASE_DIR}/${SCRIPT_COMMON}"
else
echo "Missing helper script ${SCRIPT_COMMON}" && exit 1
fi
PROG=zimport.sh
SRC_TAGS="zfs-0.6.5.11 master"
POOL_TAGS="all master"
POOL_CREATE_OPTIONS=
TEST_DIR=$(mktemp -u -d -p /var/tmp zimport.XXXXXXXX)
KEEP="no"
VERBOSE="no"
COLOR="yes"
REPO="https://github.com/zfsonlinux"
IMAGES_DIR="$SCRIPTDIR/zfs-images/"
IMAGES_TAR="https://github.com/zfsonlinux/zfs-images/tarball/master"
ERROR=0
CONFIG_LOG="configure.log"
CONFIG_OPTIONS=${CONFIG_OPTIONS:-""}
MAKE_LOG="make.log"
MAKE_OPTIONS=${MAKE_OPTIONS:-"-s -j$(nproc)"}
COLOR_GREEN="\033[0;32m"
COLOR_RED="\033[0;31m"
COLOR_BROWN="\033[0;33m"
COLOR_RESET="\033[0m"
usage() {
cat << EOF
USAGE:
zimport.sh [hvl] [-r repo] [-s src-tag] [-i pool-dir] [-p pool-tag]
[-f path] [-o options]
DESCRIPTION:
ZPOOL import verification tests
OPTIONS:
-h Show this message
-v Verbose
-c No color
-k Keep temporary directory
-r <repo> Source repository ($REPO)
-s <src-tag>... Verify ZoL versions with the listed tags
-i <pool-dir> Pool image directory
-p <pool-tag>... Verify pools created with the listed tags
-f <path> Temporary directory to use
-o <options> Additional options to pass to 'zpool create'
EOF
}
while getopts 'hvckr:s:i:p:f:o:?' OPTION; do
case $OPTION in
h)
usage
exit 1
;;
v)
VERBOSE="yes"
;;
c)
COLOR="no"
;;
k)
KEEP="yes"
;;
r)
REPO="$OPTARG"
;;
s)
SRC_TAGS="$OPTARG"
;;
i)
IMAGES_DIR="$OPTARG"
;;
p)
POOL_TAGS="$OPTARG"
;;
f)
TEST_DIR="$OPTARG"
;;
o)
POOL_CREATE_OPTIONS="$OPTARG"
;;
?)
usage
exit 1
;;
esac
done
#
# Verify the module start is not loaded
#
if lsmod | grep zfs >/dev/null; then
echo "ZFS modules must be unloaded"
exit 1
fi
#
# Create a random directory tree of files and sub-directories to
# to act as a copy source for the various regression tests.
#
populate() {
local ROOT=$1
local MAX_DIR_SIZE=$2
local MAX_FILE_SIZE=$3
# shellcheck disable=SC2086
mkdir -p $ROOT/{a,b,c,d,e,f,g}/{h,i}
DIRS=$(find "$ROOT")
for DIR in $DIRS; do
COUNT=$((RANDOM % MAX_DIR_SIZE))
# shellcheck disable=SC2034
for i in $(seq $COUNT); do
FILE=$(mktemp -p "$DIR")
SIZE=$((RANDOM % MAX_FILE_SIZE))
dd if=/dev/urandom of="$FILE" bs=1k \
count="$SIZE" &>/dev/null
done
done
return 0
}
SRC_DIR=$(mktemp -d -p /var/tmp/ zfs.src.XXXXXXXX)
trap 'rm -Rf "$SRC_DIR"' INT TERM EXIT
populate "$SRC_DIR" 10 100
SRC_DIR="$TEST_DIR/src"
SRC_DIR_ZFS="$SRC_DIR/zfs"
if [ "$COLOR" = "no" ]; then
COLOR_GREEN=""
COLOR_BROWN=""
COLOR_RED=""
COLOR_RESET=""
fi
pass_nonewline() {
echo -n -e "${COLOR_GREEN}Pass${COLOR_RESET}\t\t"
}
skip_nonewline() {
echo -n -e "${COLOR_BROWN}Skip${COLOR_RESET}\t\t"
}
fail_nonewline() {
echo -n -e "${COLOR_RED}Fail${COLOR_RESET}\t\t"
}
#
# Log a failure message, cleanup, and return an error.
#
fail() {
echo -e "$PROG: $1" >&2
$ZFS_SH -u >/dev/null 2>&1
exit 1
}
#
# Set several helper variables which are derived from a source tag.
#
# ZFS_TAG - The passed zfs-x.y.z tag
# ZFS_DIR - The zfs directory name
# ZFS_URL - The zfs github URL to fetch the tarball
#
src_set_vars() {
local TAG=$1
ZFS_TAG="$TAG"
ZFS_DIR="$SRC_DIR_ZFS/$ZFS_TAG"
ZFS_URL="$REPO/zfs/tarball/$ZFS_TAG"
if [ "$TAG" = "installed" ]; then
ZPOOL_CMD=$(command -v zpool)
ZFS_CMD=$(command -v zfs)
ZFS_SH="/usr/share/zfs/zfs.sh"
else
ZPOOL_CMD="./cmd/zpool/zpool"
ZFS_CMD="./cmd/zfs/zfs"
ZFS_SH="./scripts/zfs.sh"
fi
}
#
# Set several helper variables which are derived from a pool name such
# as zol-0.6.x, zevo-1.1.1, etc. These refer to example pools from various
# ZFS implementations which are used to verify compatibility.
#
# POOL_TAG - The example pools name in scripts/zfs-images/.
# POOL_BZIP - The full path to the example bzip2 compressed pool.
# POOL_DIR - The top level test path for this pool.
# POOL_DIR_PRISTINE - The directory containing a pristine version of the pool.
# POOL_DIR_COPY - The directory containing a working copy of the pool.
# POOL_DIR_SRC - Location of a source build if it exists for this pool.
#
pool_set_vars() {
local TAG=$1
POOL_TAG=$TAG
POOL_BZIP=$IMAGES_DIR/$POOL_TAG.tar.bz2
POOL_DIR=$TEST_DIR/pools/$POOL_TAG
POOL_DIR_PRISTINE=$POOL_DIR/pristine
POOL_DIR_COPY=$POOL_DIR/copy
POOL_DIR_SRC="$SRC_DIR_ZFS/${POOL_TAG//zol/zfs}"
}
#
# Construct a non-trivial pool given a specific version of the source. More
# interesting pools provide better test coverage so this function should
# extended as needed to create more realistic pools.
#
pool_create() {
pool_set_vars "$1"
src_set_vars "$1"
if [ "$POOL_TAG" != "installed" ]; then
cd "$POOL_DIR_SRC" || fail "Failed 'cd $POOL_DIR_SRC'"
fi
$ZFS_SH zfs="spa_config_path=$POOL_DIR_PRISTINE" || \
fail "Failed to load kmods"
# Create a file vdev RAIDZ pool.
truncate -s 1G \
"$POOL_DIR_PRISTINE/vdev1" "$POOL_DIR_PRISTINE/vdev2" \
"$POOL_DIR_PRISTINE/vdev3" "$POOL_DIR_PRISTINE/vdev4" || \
fail "Failed 'truncate -s 1G ...'"
# shellcheck disable=SC2086
$ZPOOL_CMD create $POOL_CREATE_OPTIONS "$POOL_TAG" raidz \
"$POOL_DIR_PRISTINE/vdev1" "$POOL_DIR_PRISTINE/vdev2" \
"$POOL_DIR_PRISTINE/vdev3" "$POOL_DIR_PRISTINE/vdev4" || \
fail "Failed '$ZPOOL_CMD create $POOL_CREATE_OPTIONS $POOL_TAG ...'"
# Create a pool/fs filesystem with some random contents.
$ZFS_CMD create "$POOL_TAG/fs" || \
fail "Failed '$ZFS_CMD create $POOL_TAG/fs'"
populate "/$POOL_TAG/fs/" 10 100
# Snapshot that filesystem, clone it, remove the files/dirs,
# replace them with new files/dirs.
$ZFS_CMD snap "$POOL_TAG/fs@snap" || \
fail "Failed '$ZFS_CMD snap $POOL_TAG/fs@snap'"
$ZFS_CMD clone "$POOL_TAG/fs@snap" "$POOL_TAG/clone" || \
fail "Failed '$ZFS_CMD clone $POOL_TAG/fs@snap $POOL_TAG/clone'"
# shellcheck disable=SC2086
rm -Rf /$POOL_TAG/clone/*
populate "/$POOL_TAG/clone/" 10 100
# Scrub the pool, delay slightly, then export it. It is now
# somewhat interesting for testing purposes.
$ZPOOL_CMD scrub "$POOL_TAG" || \
fail "Failed '$ZPOOL_CMD scrub $POOL_TAG'"
sleep 10
$ZPOOL_CMD export "$POOL_TAG" || \
fail "Failed '$ZPOOL_CMD export $POOL_TAG'"
$ZFS_SH -u || fail "Failed to unload kmods"
}
# If the zfs-images directory doesn't exist fetch a copy from Github then
# cache it in the $TEST_DIR and update $IMAGES_DIR.
if [ ! -d "$IMAGES_DIR" ]; then
IMAGES_DIR="$TEST_DIR/zfs-images"
mkdir -p "$IMAGES_DIR"
curl -sL "$IMAGES_TAR" | \
tar -xz -C "$IMAGES_DIR" --strip-components=1 || \
fail "Failed to download pool images"
fi
# Given the available images in the zfs-images directory substitute the
# list of available images for the reserved keyword 'all'.
for TAG in $POOL_TAGS; do
if [ "$TAG" = "all" ]; then
# shellcheck disable=SC2010
ALL_TAGS=$(ls "$IMAGES_DIR" | grep "tar.bz2" | \
sed 's/.tar.bz2//' | tr '\n' ' ')
NEW_TAGS="$NEW_TAGS $ALL_TAGS"
else
NEW_TAGS="$NEW_TAGS $TAG"
fi
done
POOL_TAGS="$NEW_TAGS"
if [ "$VERBOSE" = "yes" ]; then
echo "---------------------------- Options ----------------------------"
echo "VERBOSE=$VERBOSE"
echo "KEEP=$KEEP"
echo "REPO=$REPO"
echo "SRC_TAGS=$SRC_TAGS"
echo "POOL_TAGS=$POOL_TAGS"
echo "PATH=$TEST_DIR"
echo "POOL_CREATE_OPTIONS=$POOL_CREATE_OPTIONS"
echo
fi
if [ ! -d "$TEST_DIR" ]; then
mkdir -p "$TEST_DIR"
fi
if [ ! -d "$SRC_DIR" ]; then
mkdir -p "$SRC_DIR"
fi
# Print a header for all tags which are being tested.
echo "--------------------- ZFS on Linux Source Versions --------------"
printf "%-16s" " "
for TAG in $SRC_TAGS; do
src_set_vars "$TAG"
if [ "$TAG" = "installed" ]; then
ZFS_VERSION=$(modinfo zfs | awk '/version:/ { print $2; exit }')
if [ -n "$ZFS_VERSION" ]; then
printf "%-16s" "$ZFS_VERSION"
else
fail "ZFS is not installed"
fi
else
printf "%-16s" "$TAG"
fi
done
echo -e "\n-----------------------------------------------------------------"
#
# Attempt to generate the tarball from your local git repository, if that
# fails then attempt to download the tarball from Github.
#
printf "%-16s" "Clone ZFS"
for TAG in $SRC_TAGS; do
src_set_vars "$TAG"
if [ -d "$ZFS_DIR" ]; then
skip_nonewline
elif [ "$ZFS_TAG" = "installed" ]; then
skip_nonewline
else
cd "$SRC_DIR" || fail "Failed 'cd $SRC_DIR'"
if [ ! -d "$SRC_DIR_ZFS" ]; then
mkdir -p "$SRC_DIR_ZFS"
fi
git archive --format=tar --prefix="$ZFS_TAG/ $ZFS_TAG" \
-o "$SRC_DIR_ZFS/$ZFS_TAG.tar" &>/dev/null || \
rm "$SRC_DIR_ZFS/$ZFS_TAG.tar"
if [ -s "$SRC_DIR_ZFS/$ZFS_TAG.tar" ]; then
tar -xf "$SRC_DIR_ZFS/$ZFS_TAG.tar" -C "$SRC_DIR_ZFS"
rm "$SRC_DIR_ZFS/$ZFS_TAG.tar"
echo -n -e "${COLOR_GREEN}Local${COLOR_RESET}\t\t"
else
mkdir -p "$ZFS_DIR" || fail "Failed to create $ZFS_DIR"
curl -sL "$ZFS_URL" | tar -xz -C "$ZFS_DIR" \
--strip-components=1 || \
fail "Failed to download $ZFS_URL"
echo -n -e "${COLOR_GREEN}Remote${COLOR_RESET}\t\t"
fi
fi
done
printf "\n"
# Build the listed tags
printf "%-16s" "Build ZFS"
for TAG in $SRC_TAGS; do
src_set_vars "$TAG"
if [ -f "$ZFS_DIR/module/zfs/zfs.ko" ]; then
skip_nonewline
elif [ "$ZFS_TAG" = "installed" ]; then
skip_nonewline
else
cd "$ZFS_DIR" || fail "Failed 'cd $ZFS_DIR'"
make distclean &>/dev/null
./autogen.sh >>"$CONFIG_LOG" 2>&1 || \
fail "Failed ZFS 'autogen.sh'"
# shellcheck disable=SC2086
./configure $CONFIG_OPTIONS >>"$CONFIG_LOG" 2>&1 || \
fail "Failed ZFS 'configure $CONFIG_OPTIONS'"
# shellcheck disable=SC2086
make $MAKE_OPTIONS >>"$MAKE_LOG" 2>&1 || \
fail "Failed ZFS 'make $MAKE_OPTIONS'"
pass_nonewline
fi
done
printf "\n"
echo "-----------------------------------------------------------------"
# Either create a new pool using 'zpool create', or alternately restore an
# existing pool from another ZFS implementation for compatibility testing.
for TAG in $POOL_TAGS; do
pool_set_vars "$TAG"
SKIP=0
printf "%-16s" "$POOL_TAG"
rm -Rf "$POOL_DIR"
mkdir -p "$POOL_DIR_PRISTINE"
# Use the existing compressed image if available.
if [ -f "$POOL_BZIP" ]; then
tar -xjf "$POOL_BZIP" -C "$POOL_DIR_PRISTINE" \
--strip-components=1 || \
fail "Failed 'tar -xjf $POOL_BZIP"
# Use the installed version to create the pool.
elif [ "$TAG" = "installed" ]; then
pool_create "$TAG"
# A source build is available to create the pool.
elif [ -d "$POOL_DIR_SRC" ]; then
pool_create "$TAG"
else
SKIP=1
fi
# Verify 'zpool import' works for all listed source versions.
for SRC_TAG in $SRC_TAGS; do
if [ $SKIP -eq 1 ]; then
skip_nonewline
continue
fi
src_set_vars "$SRC_TAG"
if [ "$SRC_TAG" != "installed" ]; then
cd "$ZFS_DIR" || fail "Failed 'cd $ZFS_DIR'"
fi
$ZFS_SH zfs="spa_config_path=$POOL_DIR_COPY"
cp -a --sparse=always "$POOL_DIR_PRISTINE" \
"$POOL_DIR_COPY" || \
fail "Failed to copy $POOL_DIR_PRISTINE to $POOL_DIR_COPY"
POOL_NAME=$($ZPOOL_CMD import -d "$POOL_DIR_COPY" | \
awk '/pool:/ { print $2; exit 0 }')
$ZPOOL_CMD import -N -d "$POOL_DIR_COPY" \
"$POOL_NAME" &>/dev/null
# shellcheck disable=SC2181
if [ $? -ne 0 ]; then
fail_nonewline
ERROR=1
else
$ZPOOL_CMD export "$POOL_NAME" || \
fail "Failed to export pool"
pass_nonewline
fi
rm -Rf "$POOL_DIR_COPY"
$ZFS_SH -u || fail "Failed to unload kmods"
done
printf "\n"
done
if [ "$KEEP" = "no" ]; then
rm -Rf "$TEST_DIR"
fi
exit $ERROR
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