From b9de5eec267627c8bc5ff0759ddea6c4a8aa7bce Mon Sep 17 00:00:00 2001
From: David Zafman <dzafman@redhat.com>
Date: Mon, 2 Oct 2017 13:51:17 -0700
Subject: [PATCH] test: Test case that reproduces tracker 18162

recover_replicas: object added to missing set for backfill, but is not in recovering, error!

Signed-off-by: David Zafman <dzafman@redhat.com>
---
 .../erasure-code/test-erasure-eio.sh          | 159 ++++++++++++++++++
 1 file changed, 159 insertions(+)

diff --git a/qa/standalone/erasure-code/test-erasure-eio.sh b/qa/standalone/erasure-code/test-erasure-eio.sh
index 7d26d70a1c0..0cbe6d6443e 100755
--- a/qa/standalone/erasure-code/test-erasure-eio.sh
+++ b/qa/standalone/erasure-code/test-erasure-eio.sh
@@ -56,6 +56,13 @@ function setup_osds() {
     grep 'load: jerasure.*lrc' $dir/osd.0.log || 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 create_erasure_coded_pool() {
     local poolname=$1
     shift
@@ -408,6 +415,158 @@ function TEST_ec_recovery_errors() {
     delete_pool $poolname
 }
 
+# Test backfill with errors present
+function TEST_ec_backfill_errors() {
+    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 5 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 3 2 || 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 ec data $poolname $testobj $dir 0 || return 1
+    inject_eio ec data $poolname $testobj $dir 1 || return 1
+
+    run_osd $dir ${last_osd} || return 1
+    ceph osd in ${last_osd} || return 1
+
+    sleep 15
+
+    while(true); do
+      state=$(get_state 2.0)
+      echo $state | grep -v backfilling
+      if [ "$?" = "0" ]; then
+        break
+      fi
+      echo -n "$state "
+    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 errors present
+function TEST_ec_recovery_errors() {
+    local dir=$1
+    local objname=myobject
+    local lastobj=100
+    # Must be between 1 and $lastobj
+    local testobj=obj75
+
+    setup_osds 5 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 3 2 || 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 ec data $poolname $testobj $dir 0 || return 1
+    inject_eio ec data $poolname $testobj $dir 1 || return 1
+
+    run_osd $dir ${last_osd} || return 1
+    ceph osd in ${last_osd} || return 1
+
+    sleep 15
+
+    while(true); do
+      state=$(get_state 2.0)
+      echo $state | grep -v recovering
+      if [ "$?" = "0" ]; then
+        break
+      fi
+      echo -n "$state "
+    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 $poolname
+}
+
 main test-erasure-eio "$@"
 
 # Local Variables:
-- 
2.39.5