From: David Zafman <dzafman@redhat.com>
Date: Mon, 9 Oct 2017 21:15:51 +0000 (-0700)
Subject: test: Add replicated recovery/backfill test
X-Git-Tag: v12.2.3~146^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=325eec1ba9c9b03d3ad6bcf56572be64d6c16c98;p=ceph.git

test: Add replicated recovery/backfill test

Signed-off-by: David Zafman <dzafman@redhat.com>
(cherry picked from commit c2572bee3c6256419e0b265e9e2829e7f3afb76d)
---

diff --git a/qa/standalone/osd/osd-rep-recov-eio.sh b/qa/standalone/osd/osd-rep-recov-eio.sh
new file mode 100755
index 00000000000..d0fe538363c
--- /dev/null
+++ b/qa/standalone/osd/osd-rep-recov-eio.sh
@@ -0,0 +1,305 @@
+#!/usr/bin/env bash
+#
+# Copyright (C) 2017 Red Hat <contact@redhat.com>
+#
+#
+# Author: Kefu Chai <kchai@redhat.com>
+# Author: David Zafman <dzafman@redhat.com>
+#
+# 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=$1
+    shift
+
+    export CEPH_MON="127.0.0.1:7140" # git grep '\<7140\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON "
+
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        setup $dir || return 1
+        run_mon $dir a || return 1
+	run_mgr $dir x || return 1
+	create_rbd_pool || return 1
+
+        $func $dir || return 1
+        teardown $dir || return 1
+    done
+}
+
+function setup_osds() {
+    local count=$1
+    shift
+
+    for id in $(seq 0 $(expr $count - 1)) ; do
+        run_osd $dir $id || return 1
+    done
+    wait_for_clean || return 1
+}
+
+function get_state() {
+    local pgid=$1
+    local sname=state
+    ceph --format json pg dump pgs 2>/dev/null | \
+        jq -r ".[] | select(.pgid==\"$pgid\") | .$sname"
+}
+
+function delete_pool() {
+    local poolname=$1
+
+    ceph osd pool delete $poolname $poolname --yes-i-really-really-mean-it
+}
+
+function rados_put() {
+    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
+}
+
+function rados_get() {
+    local dir=$1
+    local poolname=$2
+    local objname=${3:-SOMETHING}
+    local expect=${4:-ok}
+
+    #
+    # Expect a failure to get object
+    #
+    if [ $expect = "fail" ];
+    then
+        ! rados --pool $poolname get $objname $dir/COPY
+        return
+    fi
+    #
+    # Expect hang trying to get object
+    #
+    if [ $expect = "hang" ];
+    then
+        timeout 5 rados --pool $poolname get $objname $dir/COPY
+        test "$?" = "124"
+        return
+    fi
+    #
+    # get an object, compare with $dir/ORIGINAL
+    #
+    rados --pool $poolname get $objname $dir/COPY || return 1
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    rm $dir/COPY
+}
+
+function rados_get_data() {
+    local inject=$1
+    shift
+    local dir=$1
+
+    local poolname=pool-rep
+    local objname=obj-$inject-$$
+    rados_put $dir $poolname $objname || return 1
+    inject_$inject rep data $poolname $objname $dir 0 || return 1
+    rados_get $dir $poolname $objname || return 1
+
+    inject_$inject rep data $poolname $objname $dir 0 || return 1
+    inject_$inject rep data $poolname $objname $dir 1 || return 1
+    rados_get $dir $poolname $objname || return 1
+
+    inject_$inject rep data $poolname $objname $dir 0 || return 1
+    inject_$inject rep data $poolname $objname $dir 1 || return 1
+    inject_$inject rep data $poolname $objname $dir 2 || return 1
+    rados_get $dir $poolname $objname hang || return 1
+}
+
+function TEST_rados_get_with_eio() {
+    local dir=$1
+
+    setup_osds 4 || return 1
+
+    local poolname=pool-rep
+    create_pool $poolname 1 1 || return 1
+    wait_for_clean || return 1
+    rados_get_data eio $dir || return 1
+
+    delete_pool $poolname
+}
+
+# Test backfill with unfound object
+function TEST_rep_backfill_unfound() {
+    local dir=$1
+    local objname=myobject
+    local lastobj=300
+    # Must be between 1 and $lastobj
+    local testobj=obj250
+
+    export CEPH_ARGS
+    CEPH_ARGS+=' --osd_min_pg_log_entries=5 --osd_max_pg_log_entries=10'
+    setup_osds 3 || return 1
+
+    local poolname=test-pool
+    create_pool $poolname 1 1 || return 1
+    wait_for_clean || return 1
+
+    ceph pg dump pgs
+
+    rados_put $dir $poolname $objname || return 1
+
+    local -a initial_osds=($(get_osds $poolname $objname))
+    local last_osd=${initial_osds[-1]}
+    kill_daemons $dir TERM osd.${last_osd} 2>&2 < /dev/null || return 1
+    ceph osd down ${last_osd} || return 1
+    ceph osd out ${last_osd} || return 1
+
+    ceph pg dump pgs
+
+    dd if=/dev/urandom of=${dir}/ORIGINAL bs=1024 count=4
+    for i in $(seq 1 $lastobj)
+    do
+      rados --pool $poolname put obj${i} $dir/ORIGINAL || return 1
+    done
+
+    inject_eio rep data $poolname $testobj $dir 0 || return 1
+    inject_eio rep data $poolname $testobj $dir 1 || return 1
+
+    run_osd $dir ${last_osd} || return 1
+    ceph osd in ${last_osd} || return 1
+
+    sleep 15
+
+    for tmp in $(seq 1 100); do
+      state=$(get_state 2.0)
+      echo $state | grep backfill_unfound
+      if [ "$?" = "0" ]; then
+        break
+      fi
+      echo "$state "
+      sleep 1
+    done
+
+    ceph pg dump pgs
+    ceph pg 2.0 list_missing | grep -q $testobj || return 1
+
+    # Command should hang because object is unfound
+    timeout 5 rados -p $poolname get $testobj $dir/CHECK
+    test $? = "124" || return 1
+
+    ceph pg 2.0 mark_unfound_lost delete
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $lastobj)
+    do
+      if [ obj${i} = "$testobj" ]; then
+        # Doesn't exist anymore
+        ! rados -p $poolname get $testobj $dir/CHECK || return 1
+      else
+        rados --pool $poolname get obj${i} $dir/CHECK || return 1
+        diff -q $dir/ORIGINAL $dir/CHECK || return 1
+      fi
+    done
+
+    rm -f ${dir}/ORIGINAL ${dir}/CHECK
+
+    delete_pool $poolname
+}
+
+# Test recovery with unfound object
+function TEST_rep_recovery_unfound() {
+    local dir=$1
+    local objname=myobject
+    local lastobj=100
+    # Must be between 1 and $lastobj
+    local testobj=obj75
+
+    setup_osds 3 || return 1
+
+    local poolname=test-pool
+    create_pool $poolname 1 1 || return 1
+    wait_for_clean || return 1
+
+    ceph pg dump pgs
+
+    rados_put $dir $poolname $objname || return 1
+
+    local -a initial_osds=($(get_osds $poolname $objname))
+    local last_osd=${initial_osds[-1]}
+    kill_daemons $dir TERM osd.${last_osd} 2>&2 < /dev/null || return 1
+    ceph osd down ${last_osd} || return 1
+    ceph osd out ${last_osd} || return 1
+
+    ceph pg dump pgs
+
+    dd if=/dev/urandom of=${dir}/ORIGINAL bs=1024 count=4
+    for i in $(seq 1 $lastobj)
+    do
+      rados --pool $poolname put obj${i} $dir/ORIGINAL || return 1
+    done
+
+    inject_eio rep data $poolname $testobj $dir 0 || return 1
+    inject_eio rep data $poolname $testobj $dir 1 || return 1
+
+    run_osd $dir ${last_osd} || return 1
+    ceph osd in ${last_osd} || return 1
+
+    sleep 15
+
+    for tmp in $(seq 1 100); do
+      state=$(get_state 2.0)
+      echo $state | grep -v recovering
+      if [ "$?" = "0" ]; then
+        break
+      fi
+      echo "$state "
+      sleep 1
+    done
+
+    ceph pg dump pgs
+    ceph pg 2.0 list_missing | grep -q $testobj || return 1
+
+    # Command should hang because object is unfound
+    timeout 5 rados -p $poolname get $testobj $dir/CHECK
+    test $? = "124" || return 1
+
+    ceph pg 2.0 mark_unfound_lost delete
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $lastobj)
+    do
+      if [ obj${i} = "$testobj" ]; then
+        # Doesn't exist anymore
+        ! rados -p $poolname get $testobj $dir/CHECK || return 1
+      else
+        rados --pool $poolname get obj${i} $dir/CHECK || return 1
+        diff -q $dir/ORIGINAL $dir/CHECK || return 1
+      fi
+    done
+
+    rm -f ${dir}/ORIGINAL ${dir}/CHECK
+
+    delete_pool $poolname
+}
+
+main osd-rep-recov-eio.sh "$@"
+
+# Local Variables:
+# compile-command: "cd ../../../build ; make -j4 && ../qa/run-standalone.sh osd-rep-recov-eio.sh"
+# End: