1 files changed, 203 insertions, 0 deletions
diff --git a/qa/standalone/osd/pg-split-merge.sh b/qa/standalone/osd/pg-split-merge.sh
new file mode 100755
index 000000000..7f2899b60
--- /dev/null
+++ b/qa/standalone/osd/pg-split-merge.sh
@@ -0,0 +1,203 @@
+#!/usr/bin/env bash
+source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
+
+function run() {
+    local dir=$1
+    shift
+
+    export CEPH_MON="127.0.0.1:7147" # git grep '\<7147\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON --mon_min_osdmap_epochs=50 --paxos_service_trim_min=10"
+
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        setup $dir || return 1
+        $func $dir || return 1
+        teardown $dir || return 1
+    done
+}
+
+function TEST_a_merge_empty() {
+    local dir=$1
+
+    run_mon $dir a --osd_pool_default_size=3 || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+
+    ceph osd pool create foo 2 || return 1
+    ceph osd pool set foo pgp_num 1 || return 1
+
+    wait_for_clean || return 1
+
+    # note: we need 1.0 to have the same or more objects than 1.1
+    #  1.1
+    rados -p foo put foo1 /etc/passwd
+    rados -p foo put foo2 /etc/passwd
+    rados -p foo put foo3 /etc/passwd
+    rados -p foo put foo4 /etc/passwd
+    #  1.0
+    rados -p foo put foo5 /etc/passwd
+    rados -p foo put foo6 /etc/passwd
+    rados -p foo put foo8 /etc/passwd
+    rados -p foo put foo10 /etc/passwd
+    rados -p foo put foo11 /etc/passwd
+    rados -p foo put foo12 /etc/passwd
+    rados -p foo put foo16 /etc/passwd
+
+    wait_for_clean || return 1
+
+    ceph tell osd.1 config set osd_debug_no_purge_strays true
+    ceph osd pool set foo size 2 || return 1
+    wait_for_clean || return 1
+
+    kill_daemons $dir TERM osd.2 || return 1
+    ceph-objectstore-tool --data-path $dir/2 --op remove --pgid 1.1 --force || return 1
+    activate_osd $dir 2 || return 1
+
+    wait_for_clean || return 1
+
+    # osd.2: now 1.0 is there but 1.1 is not
+
+    # instantiate 1.1 on osd.2 with last_update=0'0 ('empty'), which is
+    # the problematic state... then let it merge with 1.0
+    ceph tell osd.2 config set osd_debug_no_acting_change true
+    ceph osd out 0 1
+    ceph osd pool set foo pg_num 1
+    sleep 5
+    ceph tell osd.2 config set osd_debug_no_acting_change false
+
+    # go back to osd.1 being primary, and 3x so the osd.2 copy doesn't get
+    # removed
+    ceph osd in 0 1
+    ceph osd pool set foo size 3
+
+    wait_for_clean || return 1
+
+    # scrub to ensure the osd.3 copy of 1.0 was incomplete (vs missing
+    # half of its objects).
+    ceph pg scrub 1.0
+    sleep 10
+    ceph log last debug
+    ceph pg ls
+    ceph pg ls | grep ' active.clean ' || return 1
+}
+
+function TEST_import_after_merge_and_gap() {
+    local dir=$1
+
+    run_mon $dir a --osd_pool_default_size=1 --mon_allow_pool_size_one=true || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+
+    ceph osd pool create foo 2 || return 1
+    wait_for_clean || return 1
+    rados -p foo bench 3 write -b 1024 --no-cleanup || return 1
+
+    kill_daemons $dir TERM osd.0 || return 1
+    ceph-objectstore-tool --data-path $dir/0 --op export --pgid 1.1 --file $dir/1.1  --force || return 1
+    ceph-objectstore-tool --data-path $dir/0 --op export --pgid 1.0 --file $dir/1.0  --force || return 1
+    activate_osd $dir 0 || return 1
+
+    ceph osd pool set foo pg_num 1
+    sleep 5
+    while ceph daemon osd.0 perf dump | jq '.osd.numpg' | grep 2 ; do sleep 1 ; done
+    wait_for_clean || return 1
+
+    #
+    kill_daemons $dir TERM osd.0 || return 1
+    ceph-objectstore-tool --data-path $dir/0 --op remove --pgid 1.0 --force || return 1
+    # this will import both halves the original pg
+    ceph-objectstore-tool --data-path $dir/0 --op import --pgid 1.1 --file $dir/1.1 || return 1
+    ceph-objectstore-tool --data-path $dir/0 --op import --pgid 1.0 --file $dir/1.0 || return 1
+    activate_osd $dir 0 || return 1
+
+    wait_for_clean || return 1
+
+    # make a map gap
+    for f in `seq 1 50` ; do
+	ceph osd set nodown
+	ceph osd unset nodown
+    done
+
+    # poke and prod to ensure last_epech_clean is big, reported to mon, and
+    # the osd is able to trim old maps
+    rados -p foo bench 1 write -b 1024 --no-cleanup || return 1
+    wait_for_clean || return 1
+    ceph tell osd.0 send_beacon
+    sleep 5
+    ceph osd set nodown
+    ceph osd unset nodown
+    sleep 5
+
+    kill_daemons $dir TERM osd.0 || return 1
+
+    # this should fail.. 1.1 still doesn't exist
+    ! ceph-objectstore-tool --data-path $dir/0 --op import --pgid 1.1 --file $dir/1.1 || return 1
+
+    ceph-objectstore-tool --data-path $dir/0 --op export-remove --pgid 1.0 --force --file $dir/1.0.later || return 1
+
+    # this should fail too because of the gap
+    ! ceph-objectstore-tool --data-path $dir/0 --op import --pgid 1.1 --file $dir/1.1 || return 1
+    ! ceph-objectstore-tool --data-path $dir/0 --op import --pgid 1.0 --file $dir/1.0 || return 1
+
+    # we can force it...
+    ceph-objectstore-tool --data-path $dir/0 --op import --pgid 1.1 --file $dir/1.1 --force || return 1
+    ceph-objectstore-tool --data-path $dir/0 --op import --pgid 1.0 --file $dir/1.0 --force || return 1
+
+    # ...but the osd won't start, so remove it again.
+    ceph-objectstore-tool --data-path $dir/0 --op remove --pgid 1.0 --force || return 1
+    ceph-objectstore-tool --data-path $dir/0 --op remove --pgid 1.1 --force || return 1
+
+    ceph-objectstore-tool --data-path $dir/0 --op import --pgid 1.0 --file $dir/1.0.later --force || return 1
+
+
+    activate_osd $dir 0 || return 1
+
+    wait_for_clean || return 1
+}
+
+function TEST_import_after_split() {
+    local dir=$1
+
+    run_mon $dir a --osd_pool_default_size=1 --mon_allow_pool_size_one=true || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+
+    ceph osd pool create foo 1 || return 1
+    wait_for_clean || return 1
+    rados -p foo bench 3 write -b 1024 --no-cleanup || return 1
+
+    kill_daemons $dir TERM osd.0 || return 1
+    ceph-objectstore-tool --data-path $dir/0 --op export --pgid 1.0 --file $dir/1.0  --force || return 1
+    activate_osd $dir 0 || return 1
+
+    ceph osd pool set foo pg_num 2
+    sleep 5
+    while ceph daemon osd.0 perf dump | jq '.osd.numpg' | grep 1 ; do sleep 1 ; done
+    wait_for_clean || return 1
+
+    kill_daemons $dir TERM osd.0 || return 1
+
+    ceph-objectstore-tool --data-path $dir/0 --op remove --pgid 1.0 --force || return 1
+
+    # this should fail because 1.1 (split child) is there
+    ! ceph-objectstore-tool --data-path $dir/0 --op import --pgid 1.0 --file $dir/1.0 || return 1
+
+    ceph-objectstore-tool --data-path $dir/0 --op remove --pgid 1.1 --force || return 1
+    # now it will work (1.1. is gone)
+    ceph-objectstore-tool --data-path $dir/0 --op import --pgid 1.0 --file $dir/1.0 || return 1
+
+    activate_osd $dir 0 || return 1
+
+    wait_for_clean || return 1
+}
+
+
+main pg-split-merge "$@"
+
+# Local Variables:
+# compile-command: "cd ../.. ; make -j4 && test/osd/pg-split-merge.sh"
+# End: