X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fqa%2Fstandalone%2Ferasure-code%2Ftest-erasure-code.sh;fp=src%2Fceph%2Fqa%2Fstandalone%2Ferasure-code%2Ftest-erasure-code.sh;h=6dd5833ad04486db57759fcf2519f0932adeebe6;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/qa/standalone/erasure-code/test-erasure-code.sh b/src/ceph/qa/standalone/erasure-code/test-erasure-code.sh
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+#!/bin/bash
+#
+# Copyright (C) 2014 Cloudwatt <libre.licensing@cloudwatt.com>
+# Copyright (C) 2014, 2015 Red Hat <contact@redhat.com>
+#
+# Author: Loic Dachary <loic@dachary.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Library Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program 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 Library Public License for more details.
+#
+
+source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
+
+function run() {
+    local dir=$1
+    shift
+
+    export CEPH_MON="127.0.0.1:7101" # git grep '\<7101\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON --mon-osd-prime-pg-temp=false"
+
+    setup $dir || return 1
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    # check that erasure code plugins are preloaded
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path mon.a) log flush || return 1
+    grep 'load: jerasure.*lrc' $dir/mon.a.log || return 1
+    for id in $(seq 0 10) ; do
+        run_osd $dir $id || return 1
+    done
+    create_rbd_pool || return 1
+    wait_for_clean || return 1
+    # check that erasure code plugins are preloaded
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.0) log flush || return 1
+    grep 'load: jerasure.*lrc' $dir/osd.0.log || return 1
+    create_erasure_coded_pool ecpool || return 1
+
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        $func $dir || return 1
+    done
+
+    delete_pool ecpool || return 1
+    teardown $dir || return 1
+}
+
+function create_erasure_coded_pool() {
+    local poolname=$1
+
+    ceph osd erasure-code-profile set myprofile \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 12 12 erasure myprofile \
+        || return 1
+    wait_for_clean || return 1
+}
+
+function delete_pool() {
+    local poolname=$1
+
+    ceph osd pool delete $poolname $poolname --yes-i-really-really-mean-it
+}
+
+function rados_put_get() {
+    local dir=$1
+    local poolname=$2
+    local objname=${3:-SOMETHING}
+
+
+    for marker in AAA BBB CCCC DDDD ; do
+        printf "%*s" 1024 $marker
+    done > $dir/ORIGINAL
+
+    #
+    # get and put an object, compare they are equal
+    #
+    rados --pool $poolname put $objname $dir/ORIGINAL || return 1
+    rados --pool $poolname get $objname $dir/COPY || return 1
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    rm $dir/COPY
+
+    #
+    # take out an OSD used to store the object and
+    # check the object can still be retrieved, which implies
+    # recovery
+    #
+    local -a initial_osds=($(get_osds $poolname $objname))
+    local last=$((${#initial_osds[@]} - 1))
+    ceph osd out ${initial_osds[$last]} || return 1
+    ! get_osds $poolname $objname | grep '\<'${initial_osds[$last]}'\>' || return 1
+    rados --pool $poolname get $objname $dir/COPY || return 1
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    ceph osd in ${initial_osds[$last]} || return 1
+
+    rm $dir/ORIGINAL
+}
+
+function rados_osds_out_in() {
+    local dir=$1
+    local poolname=$2
+    local objname=${3:-SOMETHING}
+
+
+    for marker in FFFF GGGG HHHH IIII ; do
+        printf "%*s" 1024 $marker
+    done > $dir/ORIGINAL
+
+    #
+    # get and put an object, compare they are equal
+    #
+    rados --pool $poolname put $objname $dir/ORIGINAL || return 1
+    rados --pool $poolname get $objname $dir/COPY || return 1
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    rm $dir/COPY
+
+    #
+    # take out two OSDs used to store the object, wait for the cluster
+    # to be clean (i.e. all PG are clean and active) again which
+    # implies the PG have been moved to use the remaining OSDs.  Check
+    # the object can still be retrieved.
+    #
+    wait_for_clean || return 1
+    local osds_list=$(get_osds $poolname $objname)
+    local -a osds=($osds_list)
+    for osd in 0 1 ; do
+      ceph osd out ${osds[$osd]} || return 1
+    done
+    wait_for_clean || return 1
+    #
+    # verify the object is no longer mapped to the osds that are out
+    #
+    for osd in 0 1 ; do
+        ! get_osds $poolname $objname | grep '\<'${osds[$osd]}'\>' || return 1
+    done
+    rados --pool $poolname get $objname $dir/COPY || return 1
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    #
+    # bring the osds back in, , wait for the cluster
+    # to be clean (i.e. all PG are clean and active) again which
+    # implies the PG go back to using the same osds as before
+    #
+    for osd in 0 1 ; do
+      ceph osd in ${osds[$osd]} || return 1
+    done
+    wait_for_clean || return 1
+    test "$osds_list" = "$(get_osds $poolname $objname)" || return 1
+    rm $dir/ORIGINAL
+}
+
+function TEST_rados_put_get_lrc_advanced() {
+    local dir=$1
+    local poolname=pool-lrc-a
+    local profile=profile-lrc-a
+
+    ceph osd erasure-code-profile set $profile \
+        plugin=lrc \
+        mapping=DD_ \
+        crush-steps='[ [ "chooseleaf", "osd", 0 ] ]' \
+        layers='[ [ "DDc", "" ] ]'  || return 1
+    create_pool $poolname 12 12 erasure $profile \
+        || return 1
+
+    rados_put_get $dir $poolname || return 1
+
+    delete_pool $poolname
+    ceph osd erasure-code-profile rm $profile
+}
+
+function TEST_rados_put_get_lrc_kml() {
+    local dir=$1
+    local poolname=pool-lrc
+    local profile=profile-lrc
+
+    ceph osd erasure-code-profile set $profile \
+        plugin=lrc \
+        k=4 m=2 l=3 \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 12 12 erasure $profile \
+        || return 1
+
+    rados_put_get $dir $poolname || return 1
+
+    delete_pool $poolname
+    ceph osd erasure-code-profile rm $profile
+}
+
+function TEST_rados_put_get_isa() {
+    if ! erasure_code_plugin_exists isa ; then
+        echo "SKIP because plugin isa has not been built"
+        return 0
+    fi
+    local dir=$1
+    local poolname=pool-isa
+
+    ceph osd erasure-code-profile set profile-isa \
+        plugin=isa \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 1 1 erasure profile-isa \
+        || return 1
+
+    rados_put_get $dir $poolname || return 1
+
+    delete_pool $poolname
+}
+
+function TEST_rados_put_get_jerasure() {
+    local dir=$1
+
+    rados_put_get $dir ecpool || return 1
+
+    local poolname=pool-jerasure
+    local profile=profile-jerasure
+
+    ceph osd erasure-code-profile set $profile \
+        plugin=jerasure \
+        k=4 m=2 \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 12 12 erasure $profile \
+        || return 1
+
+    rados_put_get $dir $poolname || return 1
+    rados_osds_out_in $dir $poolname || return 1
+
+    delete_pool $poolname
+    ceph osd erasure-code-profile rm $profile
+}
+
+function TEST_rados_put_get_shec() {
+    local dir=$1
+
+    local poolname=pool-shec
+    local profile=profile-shec
+
+    ceph osd erasure-code-profile set $profile \
+        plugin=shec \
+        k=2 m=1 c=1 \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 12 12 erasure $profile \
+        || return 1
+
+    rados_put_get $dir $poolname || return 1
+
+    delete_pool $poolname
+    ceph osd erasure-code-profile rm $profile
+}
+
+function TEST_alignment_constraints() {
+    local payload=ABC
+    echo "$payload" > $dir/ORIGINAL
+    #
+    # Verify that the rados command enforces alignment constraints
+    # imposed by the stripe width
+    # See http://tracker.ceph.com/issues/8622
+    #
+    local stripe_unit=$(ceph-conf --show-config-value osd_pool_erasure_code_stripe_unit)
+    eval local $(ceph osd erasure-code-profile get myprofile | grep k=)
+    local block_size=$((stripe_unit * k - 1))
+    dd if=/dev/zero of=$dir/ORIGINAL bs=$block_size count=2
+    rados --block-size=$block_size \
+        --pool ecpool put UNALIGNED $dir/ORIGINAL || return 1
+    rm $dir/ORIGINAL
+}
+
+function chunk_size() {
+    echo $(ceph-conf --show-config-value osd_pool_erasure_code_stripe_unit)
+}
+
+#
+# By default an object will be split in two (k=2) with the first part
+# of the object in the first OSD of the up set and the second part in
+# the next OSD in the up set. This layout is defined by the mapping
+# parameter and this function helps verify that the first and second
+# part of the object are located in the OSD where they should be.
+#
+function verify_chunk_mapping() {
+    local dir=$1
+    local poolname=$2
+    local first=$3
+    local second=$4
+
+    local payload=$(printf '%*s' $(chunk_size) FIRST$poolname ; printf '%*s' $(chunk_size) SECOND$poolname)
+    echo -n "$payload" > $dir/ORIGINAL
+
+    rados --pool $poolname put SOMETHING$poolname $dir/ORIGINAL || return 1
+    rados --pool $poolname get SOMETHING$poolname $dir/COPY || return 1
+    local -a osds=($(get_osds $poolname SOMETHING$poolname))
+    for (( i = 0; i < ${#osds[@]}; i++ )) ; do
+        ceph daemon osd.${osds[$i]} flush_journal
+    done
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    rm $dir/COPY
+
+    local -a osds=($(get_osds $poolname SOMETHING$poolname))
+    grep --quiet --recursive --text FIRST$poolname $dir/${osds[$first]} || return 1
+    grep --quiet --recursive --text SECOND$poolname $dir/${osds[$second]} || return 1
+}
+
+function TEST_chunk_mapping() {
+    local dir=$1
+
+    #
+    # mapping=DD_ is the default:
+    #  first OSD (i.e. 0) in the up set has the first part of the object
+    #  second OSD (i.e. 1) in the up set has the second part of the object
+    #
+    verify_chunk_mapping $dir ecpool 0 1 || return 1
+
+    ceph osd erasure-code-profile set remap-profile \
+        plugin=lrc \
+        layers='[ [ "_DD", "" ] ]' \
+        mapping='_DD' \
+        crush-steps='[ [ "choose", "osd", 0 ] ]' || return 1
+    ceph osd erasure-code-profile get remap-profile
+    create_pool remap-pool 12 12 erasure remap-profile \
+        || return 1
+
+    #
+    # mapping=_DD
+    #  second OSD (i.e. 1) in the up set has the first part of the object
+    #  third OSD (i.e. 2) in the up set has the second part of the object
+    #
+    verify_chunk_mapping $dir remap-pool 1 2 || return 1
+
+    delete_pool remap-pool
+    ceph osd erasure-code-profile rm remap-profile
+}
+
+main test-erasure-code "$@"
+
+# Local Variables:
+# compile-command: "cd ../.. ; make -j4 && test/erasure-code/test-erasure-code.sh"
+# End: