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// -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2014 Inktank <info@inktank.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2, as published by the Free Software
* Foundation. See file COPYING.
*/
#include "mon/PGMap.h"
#include "gtest/gtest.h"
#include "include/stringify.h"
namespace {
class CheckTextTable : public TextTable {
public:
explicit CheckTextTable(bool verbose) {
for (int i = 0; i < 5; i++) {
define_column("", TextTable::LEFT, TextTable::LEFT);
}
if (verbose) {
for (int i = 0; i < 9; i++) {
define_column("", TextTable::LEFT, TextTable::LEFT);
}
}
}
const string& get(unsigned r, unsigned c) const {
ceph_assert(r < row.size());
ceph_assert(c < row[r].size());
return row[r][c];
}
};
// copied from PGMap.cc
string percentify(float a) {
stringstream ss;
if (a < 0.01)
ss << "0";
else
ss << std::fixed << std::setprecision(2) << a;
return ss.str();
}
}
// dump_object_stat_sum() is called by "ceph df" command
// with table, without formatter, verbose = true, not empty, avail > 0
TEST(pgmap, dump_object_stat_sum_0)
{
bool verbose = true;
CheckTextTable tbl(verbose);
pool_stat_t pool_stat;
object_stat_sum_t& sum = pool_stat.stats.sum;
sum.num_bytes = 42 * 1024 * 1024;
sum.num_objects = 42;
sum.num_objects_degraded = 13; // there are 13 missings + not_yet_backfilled
sum.num_objects_dirty = 2;
sum.num_rd = 100;
sum.num_rd_kb = 123;
sum.num_wr = 101;
sum.num_wr_kb = 321;
pool_stat.num_store_stats = 3;
store_statfs_t &statfs = pool_stat.store_stats;
statfs.data_stored = 40 * 1024 * 1024;
statfs.allocated = 41 * 1024 * 1024 * 2;
statfs.data_compressed_allocated = 4334;
statfs.data_compressed_original = 1213;
sum.calc_copies(3); // assuming we have 3 copies for each obj
// nominal amount of space available for new objects in this pool
uint64_t avail = 2016 * 1024 * 1024;
pg_pool_t pool;
pool.quota_max_objects = 2000;
pool.quota_max_bytes = 2000 * 1024 * 1024;
pool.size = 2;
pool.type = pg_pool_t::TYPE_REPLICATED;
pool.tier_of = 0;
PGMap::dump_object_stat_sum(tbl, nullptr, pool_stat, avail,
pool.get_size(), verbose, true, true, &pool);
float copies_rate =
(static_cast<float>(sum.num_object_copies - sum.num_objects_degraded) /
sum.num_object_copies) * pool.get_size();
float used_percent = (float)statfs.allocated /
(statfs.allocated + avail) * 100;
uint64_t stored = statfs.data_stored / copies_rate;
unsigned col = 0;
ASSERT_EQ(stringify(byte_u_t(stored)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(stored)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(si_u_t(sum.num_objects)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(statfs.allocated)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(statfs.allocated)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(percentify(used_percent), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(avail/copies_rate)), tbl.get(0, col++));
ASSERT_EQ(stringify(si_u_t(pool.quota_max_objects)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(pool.quota_max_bytes)), tbl.get(0, col++));
ASSERT_EQ(stringify(si_u_t(sum.num_objects_dirty)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(statfs.data_compressed_allocated)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(statfs.data_compressed_original)), tbl.get(0, col++));
}
// with table, without formatter, verbose = true, empty, avail > 0
TEST(pgmap, dump_object_stat_sum_1)
{
bool verbose = true;
CheckTextTable tbl(verbose);
pool_stat_t pool_stat;
object_stat_sum_t& sum = pool_stat.stats.sum; // zero by default
ASSERT_TRUE(sum.is_zero());
// nominal amount of space available for new objects in this pool
uint64_t avail = 2016 * 1024 * 1024;
pg_pool_t pool;
pool.quota_max_objects = 2000;
pool.quota_max_bytes = 2000 * 1024 * 1024;
pool.size = 2;
pool.type = pg_pool_t::TYPE_REPLICATED;
pool.tier_of = 0;
PGMap::dump_object_stat_sum(tbl, nullptr, pool_stat, avail,
pool.get_size(), verbose, true, true, &pool);
unsigned col = 0;
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(si_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(percentify(0), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(avail/pool.size)), tbl.get(0, col++));
ASSERT_EQ(stringify(si_u_t(pool.quota_max_objects)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(pool.quota_max_bytes)), tbl.get(0, col++));
ASSERT_EQ(stringify(si_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
}
// with table, without formatter, verbose = false, empty, avail = 0
TEST(pgmap, dump_object_stat_sum_2)
{
bool verbose = false;
CheckTextTable tbl(verbose);
pool_stat_t pool_stat;
object_stat_sum_t& sum = pool_stat.stats.sum; // zero by default
ASSERT_TRUE(sum.is_zero());
// nominal amount of space available for new objects in this pool
uint64_t avail = 0;
pg_pool_t pool;
pool.quota_max_objects = 2000;
pool.quota_max_bytes = 2000 * 1024 * 1024;
pool.size = 2;
pool.type = pg_pool_t::TYPE_REPLICATED;
PGMap::dump_object_stat_sum(tbl, nullptr, pool_stat, avail,
pool.get_size(), verbose, true, true, &pool);
unsigned col = 0;
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(si_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(0)), tbl.get(0, col++));
ASSERT_EQ(percentify(0), tbl.get(0, col++));
ASSERT_EQ(stringify(byte_u_t(avail/pool.size)), tbl.get(0, col++));
}
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