From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 qa/workunits/rados/test_libcephsqlite.sh | 136 +++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100755 qa/workunits/rados/test_libcephsqlite.sh

(limited to 'qa/workunits/rados/test_libcephsqlite.sh')

diff --git a/qa/workunits/rados/test_libcephsqlite.sh b/qa/workunits/rados/test_libcephsqlite.sh
new file mode 100755
index 000000000..1810a3f3f
--- /dev/null
+++ b/qa/workunits/rados/test_libcephsqlite.sh
@@ -0,0 +1,136 @@
+#!/bin/bash -ex
+
+# The main point of these tests beyond ceph_test_libcephsqlite is to:
+#
+# - Ensure you can load the Ceph VFS via the dynamic load extension mechanism
+#   in SQLite.
+# - Check the behavior of a dead application, that it does not hold locks
+#   indefinitely.
+
+pool="$1"
+ns="$(basename $0)"
+
+function sqlite {
+  background="$1"
+  if [ "$background" = b ]; then
+    shift
+  fi
+  a=$(cat)
+  printf "%s" "$a" >&2
+  # We're doing job control gymnastics here to make sure that sqlite3 is the
+  # main process (i.e. the process group leader) in the background, not a bash
+  # function or job pipeline.
+  sqlite3 -cmd '.output /dev/null' -cmd '.load libcephsqlite.so' -cmd 'pragma journal_mode = PERSIST' -cmd ".open file:///$pool:$ns/baz.db?vfs=ceph" -cmd '.output stdout' <<<"$a" &
+  if [ "$background" != b ]; then
+    wait
+  fi
+}
+
+function striper {
+  rados --pool=$pool --namespace="$ns" --striper "$@"
+}
+
+function repeat {
+  n=$1
+  shift
+  for ((i = 0; i < "$n"; ++i)); do
+    echo "$*"
+  done
+}
+
+striper rm baz.db || true
+
+time sqlite <<EOF
+create table if not exists foo (a INT);
+insert into foo (a) values (RANDOM());
+drop table foo;
+EOF
+
+striper stat baz.db
+striper rm baz.db
+
+time sqlite <<EOF
+CREATE TABLE IF NOT EXISTS rand(text BLOB NOT NULL);
+$(repeat 10 'INSERT INTO rand (text) VALUES (RANDOMBLOB(4096));')
+SELECT LENGTH(text) FROM rand;
+DROP TABLE rand;
+EOF
+
+time sqlite <<EOF
+BEGIN TRANSACTION;
+CREATE TABLE IF NOT EXISTS rand(text BLOB NOT NULL);
+$(repeat 100 'INSERT INTO rand (text) VALUES (RANDOMBLOB(4096));')
+COMMIT;
+SELECT LENGTH(text) FROM rand;
+DROP TABLE rand;
+EOF
+
+# Connection death drops the lock:
+
+striper rm baz.db
+date
+sqlite b <<EOF
+CREATE TABLE foo (a BLOB);
+INSERT INTO foo VALUES ("start");
+WITH RECURSIVE c(x) AS
+  (
+   VALUES(1)
+  UNION ALL
+   SELECT x+1
+   FROM c
+  )
+INSERT INTO foo (a)
+  SELECT RANDOMBLOB(1<<20)
+  FROM c
+  LIMIT (1<<20);
+EOF
+
+# Let it chew on that INSERT for a while so it writes data, it will not finish as it's trying to write 2^40 bytes...
+sleep 10
+echo done
+
+jobs -l
+kill -KILL -- $(jobs -p)
+date
+wait
+date
+
+n=$(sqlite <<<"SELECT COUNT(*) FROM foo;")
+[ "$n" -eq 1 ]
+
+# Connection "hang" loses the lock and cannot reacquire it:
+
+striper rm baz.db
+date
+sqlite b <<EOF
+CREATE TABLE foo (a BLOB);
+INSERT INTO foo VALUES ("start");
+WITH RECURSIVE c(x) AS
+  (
+   VALUES(1)
+  UNION ALL
+   SELECT x+1
+   FROM c
+  )
+INSERT INTO foo (a)
+  SELECT RANDOMBLOB(1<<20)
+  FROM c
+  LIMIT (1<<20);
+EOF
+
+# Same thing, let it chew on the INSERT for a while...
+sleep 20
+jobs -l
+kill -STOP -- $(jobs -p)
+# cephsqlite_lock_renewal_timeout is 30s
+sleep 45
+date
+kill -CONT -- $(jobs -p)
+sleep 10
+date
+# it should exit with an error as it lost the lock
+wait
+date
+
+n=$(sqlite <<<"SELECT COUNT(*) FROM foo;")
+[ "$n" -eq 1 ]
-- 
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