test: add proxy read test

Signed-off-by: Zhiqiang Wang <zhiqiang.wang@intel.com>

diff --git a/src/test/librados/tier.cc b/src/test/librados/tier.cc
index 7e557ebda72f6bc61e3f563264e317b0334a0afe..f7d6bf014a4ad388a6046d7f05709bc98eefe48f 100644 (file)
--- a/src/test/librados/tier.cc
+++ b/src/test/librados/tier.cc
@@ -2287,6 +2287,64 @@ TEST_F(LibRadosTwoPoolsPP, PromoteOn2ndRead) {
   cluster.wait_for_latest_osdmap();
 }
 
+TEST_F(LibRadosTwoPoolsPP, ProxyRead) {
+  // create object
+  {
+    bufferlist bl;
+    bl.append("hi there");
+    ObjectWriteOperation op;
+    op.write_full(bl);
+    ASSERT_EQ(0, ioctx.operate("foo", &op));
+  }
+
+  // configure cache
+  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));
+  ASSERT_EQ(0, cluster.mon_command(
+    "{\"prefix\": \"osd tier set-overlay\", \"pool\": \"" + pool_name +
+    "\", \"overlaypool\": \"" + cache_pool_name + "\"}",
+    inbl, NULL, NULL));
+  ASSERT_EQ(0, cluster.mon_command(
+    "{\"prefix\": \"osd tier cache-mode\", \"pool\": \"" + cache_pool_name +
+    "\", \"mode\": \"readproxy\"}",
+    inbl, NULL, NULL));
+
+  // wait for maps to settle
+  cluster.wait_for_latest_osdmap();
+
+  // read and verify the object
+  {
+    bufferlist bl;
+    ASSERT_EQ(1, ioctx.read("foo", bl, 1, 0));
+    ASSERT_EQ('h', bl[0]);
+  }
+
+  // Verify 10 times the object is NOT present in the cache tier
+  uint32_t i = 0;
+  while (i++ < 10) {
+    NObjectIterator it = cache_ioctx.nobjects_begin();
+    ASSERT_TRUE(it == cache_ioctx.nobjects_end());
+    sleep(1);
+  }
+
+  // tear down tiers
+  ASSERT_EQ(0, cluster.mon_command(
+    "{\"prefix\": \"osd tier remove-overlay\", \"pool\": \"" + pool_name +
+    "\"}",
+    inbl, NULL, NULL));
+  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:
@@ -4278,6 +4336,64 @@ TEST_F(LibRadosTwoPoolsECPP, PromoteOn2ndRead) {
   cluster.wait_for_latest_osdmap();
 }
 
+TEST_F(LibRadosTwoPoolsECPP, ProxyRead) {
+  // create object
+  {
+    bufferlist bl;
+    bl.append("hi there");
+    ObjectWriteOperation op;
+    op.write_full(bl);
+    ASSERT_EQ(0, ioctx.operate("foo", &op));
+  }
+
+  // configure cache
+  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));
+  ASSERT_EQ(0, cluster.mon_command(
+    "{\"prefix\": \"osd tier set-overlay\", \"pool\": \"" + pool_name +
+    "\", \"overlaypool\": \"" + cache_pool_name + "\"}",
+    inbl, NULL, NULL));
+  ASSERT_EQ(0, cluster.mon_command(
+    "{\"prefix\": \"osd tier cache-mode\", \"pool\": \"" + cache_pool_name +
+    "\", \"mode\": \"readproxy\"}",
+    inbl, NULL, NULL));
+
+  // wait for maps to settle
+  cluster.wait_for_latest_osdmap();
+
+  // read and verify the object
+  {
+    bufferlist bl;
+    ASSERT_EQ(1, ioctx.read("foo", bl, 1, 0));
+    ASSERT_EQ('h', bl[0]);
+  }
+
+  // Verify 10 times the object is NOT present in the cache tier
+  uint32_t i = 0;
+  while (i++ < 10) {
+    NObjectIterator it = cache_ioctx.nobjects_begin();
+    ASSERT_TRUE(it == cache_ioctx.nobjects_end());
+    sleep(1);
+  }
+
+  // tear down tiers
+  ASSERT_EQ(0, cluster.mon_command(
+    "{\"prefix\": \"osd tier remove-overlay\", \"pool\": \"" + pool_name +
+    "\"}",
+    inbl, NULL, NULL));
+  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();
+}
+
 int main(int argc, char **argv)
 {
   ::testing::InitGoogleTest(&argc, argv);