From 86ffc0bc1ac583c491132bef1e410fd1f36a9b55 Mon Sep 17 00:00:00 2001
From: myoungwon oh <omwmw@sk.com>
Date: Fri, 28 Jun 2019 18:59:51 +0900
Subject: [PATCH] src/test: add tier-flush test

Signed-off-by: Myoungwon Oh <omwmw@sk.com>
---
 src/test/librados/tier_cxx.cc | 88 +++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)

diff --git a/src/test/librados/tier_cxx.cc b/src/test/librados/tier_cxx.cc
index 0f5c4ef2d8e..2417501489d 100644
--- a/src/test/librados/tier_cxx.cc
+++ b/src/test/librados/tier_cxx.cc
@@ -3519,6 +3519,94 @@ TEST_F(LibRadosTwoPoolsPP, ManifestDedupRefRead) {
   cluster.wait_for_latest_osdmap();
 }
 
+TEST_F(LibRadosTwoPoolsPP, ManifestFlushRead) {
+  // skip test if not yet octopus 
+  if (_get_required_osd_release(cluster) < "octopus") {
+    cout << "cluster is not yet octopus, skipping test" << std::endl;
+    return;
+  }
+
+  // create object
+  {
+    bufferlist bl;
+    bl.append("base chunk");
+    ObjectWriteOperation op;
+    op.write_full(bl);
+    ASSERT_EQ(0, ioctx.operate("foo-chunk", &op));
+  }
+  {
+    bufferlist bl;
+    bl.append("CHUNKS");
+    ObjectWriteOperation op;
+    op.write_full(bl);
+    ASSERT_EQ(0, cache_ioctx.operate("bar-chunk", &op));
+  }
+
+  // configure tier
+  bufferlist inbl;
+  ASSERT_EQ(0, cluster.mon_command(
+    "{\"prefix\": \"osd tier add\", \"pool\": \"" + pool_name +
+    "\", \"tierpool\": \"" + cache_pool_name +
+    "\", \"force_nonempty\": \"--force-nonempty\" }",
+    inbl, NULL, NULL));
+
+  // wait for maps to settle
+  cluster.wait_for_latest_osdmap();
+
+  // set-chunk
+  {
+    ObjectWriteOperation op;
+    op.set_chunk(0, 2, cache_ioctx, "bar-chunk", 0);
+    librados::AioCompletion *completion = cluster.aio_create_completion();
+    ASSERT_EQ(0, ioctx.aio_operate("foo-chunk", completion, &op));
+    completion->wait_for_safe();
+    ASSERT_EQ(0, completion->get_return_value());
+    completion->release();
+  }
+  // set-chunk
+  {
+    ObjectWriteOperation op;
+    op.set_chunk(2, 2, cache_ioctx, "bar-chunk", 2);
+    librados::AioCompletion *completion = cluster.aio_create_completion();
+    ASSERT_EQ(0, ioctx.aio_operate("foo-chunk", completion, &op));
+    completion->wait_for_safe();
+    ASSERT_EQ(0, completion->get_return_value());
+    completion->release();
+  }
+  // make chunked object dirty
+  {
+    bufferlist bl;
+    bl.append("DD");
+    ObjectWriteOperation op;
+    op.write(0, bl);
+    ASSERT_EQ(0, ioctx.operate("foo-chunk", &op));
+  }
+  // flush
+  {
+    ObjectWriteOperation op;
+    op.tier_flush();
+    librados::AioCompletion *completion = cluster.aio_create_completion();
+    ASSERT_EQ(0, ioctx.aio_operate("foo-chunk", completion, &op));
+    completion->wait_for_safe();
+    ASSERT_EQ(0, completion->get_return_value());
+    completion->release();
+  }
+  // read and verify the chunked object
+  {
+    bufferlist bl;
+    ASSERT_EQ(1, cache_ioctx.read("bar-chunk", bl, 1, 0));
+    ASSERT_EQ('D', bl[0]);
+  }
+
+  ASSERT_EQ(0, cluster.mon_command(
+    "{\"prefix\": \"osd tier remove\", \"pool\": \"" + pool_name +
+    "\", \"tierpool\": \"" + cache_pool_name + "\"}",
+    inbl, NULL, NULL));
+
+  // wait for maps to settle before next test
+  cluster.wait_for_latest_osdmap();
+}
+
 class LibRadosTwoPoolsECPP : public RadosTestECPP
 {
 public:
-- 
2.39.5