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-rw-r--r--src/test/librados/snapshots.cc356
1 files changed, 356 insertions, 0 deletions
diff --git a/src/test/librados/snapshots.cc b/src/test/librados/snapshots.cc
new file mode 100644
index 000000000..384447ca2
--- /dev/null
+++ b/src/test/librados/snapshots.cc
@@ -0,0 +1,356 @@
+#include "include/rados.h"
+#include "test/librados/test.h"
+#include "test/librados/TestCase.h"
+#include "crimson_utils.h"
+
+#include <algorithm>
+#include <errno.h>
+#include "gtest/gtest.h"
+#include <string>
+
+using std::string;
+
+typedef RadosTest LibRadosSnapshots;
+typedef RadosTest LibRadosSnapshotsSelfManaged;
+typedef RadosTestEC LibRadosSnapshotsEC;
+typedef RadosTestEC LibRadosSnapshotsSelfManagedEC;
+
+const int bufsize = 128;
+
+TEST_F(LibRadosSnapshots, SnapList) {
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+ ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+ rados_snap_t snaps[10];
+ EXPECT_EQ(1, rados_ioctx_snap_list(ioctx, snaps,
+ sizeof(snaps) / sizeof(snaps[0])));
+ rados_snap_t rid;
+ EXPECT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+ EXPECT_EQ(rid, snaps[0]);
+ EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+}
+
+TEST_F(LibRadosSnapshots, SnapRemove) {
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+ ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+ rados_snap_t rid;
+ ASSERT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+ ASSERT_EQ(-EEXIST, rados_ioctx_snap_create(ioctx, "snap1"));
+ ASSERT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+ ASSERT_EQ(-ENOENT, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+}
+
+TEST_F(LibRadosSnapshots, Rollback) {
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+ ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+ char buf2[sizeof(buf)];
+ memset(buf2, 0xdd, sizeof(buf2));
+ EXPECT_EQ(0, rados_write_full(ioctx, "foo", buf2, sizeof(buf2)));
+ EXPECT_EQ(0, rados_ioctx_snap_rollback(ioctx, "foo", "snap1"));
+ char buf3[sizeof(buf)];
+ EXPECT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+ EXPECT_EQ(0, memcmp(buf, buf3, sizeof(buf)));
+ EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+}
+
+TEST_F(LibRadosSnapshots, SnapGetName) {
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+ ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snapfoo"));
+ rados_snap_t rid;
+ EXPECT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snapfoo", &rid));
+ EXPECT_EQ(-ENOENT, rados_ioctx_snap_lookup(ioctx, "snapbar", &rid));
+ char name[128];
+ memset(name, 0, sizeof(name));
+ EXPECT_EQ(0, rados_ioctx_snap_get_name(ioctx, rid, name, sizeof(name)));
+ time_t snaptime;
+ EXPECT_EQ(0, rados_ioctx_snap_get_stamp(ioctx, rid, &snaptime));
+ EXPECT_EQ(0, strcmp(name, "snapfoo"));
+ EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snapfoo"));
+}
+
+TEST_F(LibRadosSnapshotsSelfManaged, Snap) {
+ std::vector<uint64_t> my_snaps;
+ my_snaps.push_back(-2);
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+ &my_snaps[0], my_snaps.size()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+
+ my_snaps.push_back(-2);
+ rados_completion_t completion;
+ ASSERT_EQ(0, rados_aio_create_completion2(nullptr, nullptr,
+ &completion));
+ rados_aio_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back(), completion);
+ ASSERT_EQ(0, rados_aio_wait_for_complete(completion));
+ rados_aio_release(completion);
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+ &my_snaps[0], my_snaps.size()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ char buf2[sizeof(buf)];
+ memset(buf2, 0xdd, sizeof(buf2));
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf2, sizeof(buf2), 0));
+ rados_ioctx_snap_set_read(ioctx, my_snaps[1]-1);
+ char buf3[sizeof(buf)];
+ ASSERT_EQ(-ENOENT, rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+
+ rados_ioctx_snap_set_read(ioctx, my_snaps[1]);
+ ASSERT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+ ASSERT_EQ(0, memcmp(buf3, buf, sizeof(buf)));
+
+ ASSERT_EQ(0, rados_aio_create_completion2(nullptr, nullptr,
+ &completion));
+ rados_aio_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back(), completion);
+ ASSERT_EQ(0, rados_aio_wait_for_complete(completion));
+ rados_aio_release(completion);
+ my_snaps.pop_back();
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+ my_snaps.pop_back();
+ rados_ioctx_snap_set_read(ioctx, LIBRADOS_SNAP_HEAD);
+ ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+}
+
+TEST_F(LibRadosSnapshotsSelfManaged, Rollback) {
+ std::vector<uint64_t> my_snaps;
+ my_snaps.push_back(-2);
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+ &my_snaps[0], my_snaps.size()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ // First write
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+
+ my_snaps.push_back(-2);
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+ &my_snaps[0], my_snaps.size()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ char buf2[sizeof(buf)];
+ memset(buf2, 0xdd, sizeof(buf2));
+ // Second write
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf2, sizeof(buf2), 0));
+ // Rollback to my_snaps[1] - Object is expeceted to conatin the first write
+ rados_ioctx_selfmanaged_snap_rollback(ioctx, "foo", my_snaps[1]);
+ char buf3[sizeof(buf)];
+ ASSERT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+ ASSERT_EQ(0, memcmp(buf3, buf, sizeof(buf)));
+
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+ my_snaps.pop_back();
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+ my_snaps.pop_back();
+ ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+}
+
+TEST_F(LibRadosSnapshotsSelfManaged, FutureSnapRollback) {
+ std::vector<uint64_t> my_snaps;
+ // Snapshot 1
+ my_snaps.push_back(-2);
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+ &my_snaps[0], my_snaps.size()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ // First write
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+
+ // Snapshot 2
+ my_snaps.push_back(-2);
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+ &my_snaps[0], my_snaps.size()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ char buf2[sizeof(buf)];
+ memset(buf2, 0xdd, sizeof(buf2));
+ // Second write
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf2, sizeof(buf2), 0));
+ // Snapshot 3
+ my_snaps.push_back(-2);
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+
+ // Rollback to the last snap id - Object is expected to conatin
+ // latest write (head object)
+ rados_ioctx_selfmanaged_snap_rollback(ioctx, "foo", my_snaps[2]);
+ char buf3[sizeof(buf)];
+ ASSERT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+ ASSERT_EQ(0, memcmp(buf3, buf2, sizeof(buf)));
+
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+ my_snaps.pop_back();
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+ my_snaps.pop_back();
+ ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+}
+
+
+
+// EC testing
+TEST_F(LibRadosSnapshotsEC, SnapList) {
+ SKIP_IF_CRIMSON();
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+ ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+ rados_snap_t snaps[10];
+ EXPECT_EQ(1, rados_ioctx_snap_list(ioctx, snaps,
+ sizeof(snaps) / sizeof(snaps[0])));
+ rados_snap_t rid;
+ EXPECT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+ EXPECT_EQ(rid, snaps[0]);
+ EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+}
+
+TEST_F(LibRadosSnapshotsEC, SnapRemove) {
+ SKIP_IF_CRIMSON();
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+ ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+ rados_snap_t rid;
+ ASSERT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+ ASSERT_EQ(-EEXIST, rados_ioctx_snap_create(ioctx, "snap1"));
+ ASSERT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+ ASSERT_EQ(-ENOENT, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+}
+
+TEST_F(LibRadosSnapshotsEC, Rollback) {
+ SKIP_IF_CRIMSON();
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+ ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+ char buf2[sizeof(buf)];
+ memset(buf2, 0xdd, sizeof(buf2));
+ EXPECT_EQ(0, rados_write_full(ioctx, "foo", buf2, sizeof(buf2)));
+ EXPECT_EQ(0, rados_ioctx_snap_rollback(ioctx, "foo", "snap1"));
+ char buf3[sizeof(buf)];
+ EXPECT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+ EXPECT_EQ(0, memcmp(buf, buf3, sizeof(buf)));
+ EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+}
+
+TEST_F(LibRadosSnapshotsEC, SnapGetName) {
+ SKIP_IF_CRIMSON();
+ char buf[bufsize];
+ memset(buf, 0xcc, sizeof(buf));
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+ ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snapfoo"));
+ rados_snap_t rid;
+ EXPECT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snapfoo", &rid));
+ EXPECT_EQ(-ENOENT, rados_ioctx_snap_lookup(ioctx, "snapbar", &rid));
+ char name[128];
+ memset(name, 0, sizeof(name));
+ EXPECT_EQ(0, rados_ioctx_snap_get_name(ioctx, rid, name, sizeof(name)));
+ time_t snaptime;
+ EXPECT_EQ(0, rados_ioctx_snap_get_stamp(ioctx, rid, &snaptime));
+ EXPECT_EQ(0, strcmp(name, "snapfoo"));
+ EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snapfoo"));
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedEC, Snap) {
+ SKIP_IF_CRIMSON();
+ std::vector<uint64_t> my_snaps;
+ my_snaps.push_back(-2);
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+ &my_snaps[0], my_snaps.size()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ int bsize = alignment;
+ char *buf = (char *)new char[bsize];
+ memset(buf, 0xcc, bsize);
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, bsize, 0));
+
+ my_snaps.push_back(-2);
+ rados_completion_t completion;
+ ASSERT_EQ(0, rados_aio_create_completion2(nullptr, nullptr,
+ &completion));
+ rados_aio_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back(), completion);
+ ASSERT_EQ(0, rados_aio_wait_for_complete(completion));
+ rados_aio_release(completion);
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+ &my_snaps[0], my_snaps.size()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ char *buf2 = (char *)new char[bsize];
+ memset(buf2, 0xdd, bsize);
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf2, bsize, bsize));
+ rados_ioctx_snap_set_read(ioctx, my_snaps[1]-1);
+ char *buf3 = (char *)new char[bsize*2];
+ ASSERT_EQ(-ENOENT, rados_read(ioctx, "foo", buf3, bsize*2, 0));
+
+ rados_ioctx_snap_set_read(ioctx, my_snaps[1]);
+ ASSERT_EQ(bsize, rados_read(ioctx, "foo", buf3, bsize*2, 0));
+ ASSERT_EQ(0, memcmp(buf3, buf, bsize));
+
+ ASSERT_EQ(0, rados_aio_create_completion2(nullptr, nullptr,
+ &completion));
+ rados_aio_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back(), completion);
+ ASSERT_EQ(0, rados_aio_wait_for_complete(completion));
+ rados_aio_release(completion);
+ my_snaps.pop_back();
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+ my_snaps.pop_back();
+ rados_ioctx_snap_set_read(ioctx, LIBRADOS_SNAP_HEAD);
+ ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+ delete[] buf;
+ delete[] buf2;
+ delete[] buf3;
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedEC, Rollback) {
+ SKIP_IF_CRIMSON();
+ std::vector<uint64_t> my_snaps;
+ my_snaps.push_back(-2);
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+ &my_snaps[0], my_snaps.size()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ int bsize = alignment;
+ char *buf = (char *)new char[bsize];
+ memset(buf, 0xcc, bsize);
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf, bsize, 0));
+
+ my_snaps.push_back(-2);
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+ &my_snaps[0], my_snaps.size()));
+ ::std::reverse(my_snaps.begin(), my_snaps.end());
+ char *buf2 = (char *)new char[bsize];
+ memset(buf2, 0xdd, bsize);
+
+ ASSERT_EQ(0, rados_write(ioctx, "foo", buf2, bsize, bsize));
+ rados_ioctx_selfmanaged_snap_rollback(ioctx, "foo", my_snaps[1]);
+ char *buf3 = (char *)new char[bsize*2];
+ ASSERT_EQ(bsize, rados_read(ioctx, "foo", buf3, bsize*2, 0));
+ ASSERT_EQ(0, memcmp(buf3, buf, bsize));
+
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+ my_snaps.pop_back();
+ ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+ my_snaps.pop_back();
+ ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+ delete[] buf;
+ delete[] buf2;
+ delete[] buf3;
+}