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#include "include/rados/librados.h"
#include "include/rados/librados.hpp"
#include "include/stringify.h"
#include "common/config_proxy.h"
#include "test/librados/test.h"
#include "test/librados/TestCase.h"
#include <sys/resource.h>
#include <mutex>
#include <condition_variable>
#include <algorithm>
#include <thread>
#include <errno.h>
#include "gtest/gtest.h"
#include "test/unit.cc"
using namespace librados;
TEST(LibRadosService, RegisterEarly) {
rados_t cluster;
ASSERT_EQ(0, rados_create(&cluster, "admin"));
ASSERT_EQ(0, rados_conf_read_file(cluster, NULL));
ASSERT_EQ(0, rados_conf_parse_env(cluster, NULL));
string name = string("pid") + stringify(getpid());
ASSERT_EQ(0, rados_service_register(cluster, "laundry", name.c_str(),
"foo\0bar\0this\0that\0"));
ASSERT_EQ(-EEXIST, rados_service_register(cluster, "laundry", name.c_str(),
"foo\0bar\0this\0that\0"));
ASSERT_EQ(0, rados_connect(cluster));
sleep(5);
rados_shutdown(cluster);
}
TEST(LibRadosService, RegisterLate) {
rados_t cluster;
ASSERT_EQ(0, rados_create(&cluster, "admin"));
ASSERT_EQ(0, rados_conf_read_file(cluster, NULL));
ASSERT_EQ(0, rados_conf_parse_env(cluster, NULL));
ASSERT_EQ(0, rados_connect(cluster));
string name = string("pid") + stringify(getpid());
ASSERT_EQ(0, rados_service_register(cluster, "laundry", name.c_str(),
"foo\0bar\0this\0that\0"));
ASSERT_EQ(-EEXIST, rados_service_register(cluster, "laundry", name.c_str(),
"foo\0bar\0this\0that\0"));
rados_shutdown(cluster);
}
static void status_format_func(const int i, std::mutex &lock,
std::condition_variable &cond,
int &threads_started, bool &stopped)
{
rados_t cluster;
char *metadata_buf = NULL;
ASSERT_EQ(0, rados_create(&cluster, "admin"));
ASSERT_EQ(0, rados_conf_read_file(cluster, NULL));
ASSERT_EQ(0, rados_conf_parse_env(cluster, NULL));
ASSERT_EQ(0, rados_connect(cluster));
if (i == 0) {
ASSERT_NE(-1, asprintf(&metadata_buf, "%s%c%s%c",
"foo", '\0', "bar", '\0'));
} else if (i == 1) {
ASSERT_NE(-1, asprintf(&metadata_buf, "%s%c%s%c",
"daemon_type", '\0', "portal", '\0'));
} else if (i == 2) {
ASSERT_NE(-1, asprintf(&metadata_buf, "%s%c%s%c",
"daemon_prefix", '\0', "gateway", '\0'));
} else {
string prefix = string("gw") + stringify(i % 4);
string zone = string("z") + stringify(i % 3);
ASSERT_NE(-1, asprintf(&metadata_buf, "%s%c%s%c%s%c%s%c%s%c%s%c%s%c%s%c",
"daemon_type", '\0', "portal", '\0',
"daemon_prefix", '\0', prefix.c_str(), '\0',
"hostname", '\0', prefix.c_str(), '\0',
"zone_id", '\0', zone.c_str(), '\0'
));
}
string name = string("rbd/image") + stringify(i);
ASSERT_EQ(0, rados_service_register(cluster, "foo", name.c_str(),
metadata_buf));
std::unique_lock<std::mutex> l(lock);
threads_started++;
cond.notify_all();
cond.wait(l, [&stopped] {
return stopped;
});
rados_shutdown(cluster);
}
TEST(LibRadosService, StatusFormat) {
const int nthreads = 16;
std::thread threads[nthreads];
std::mutex lock;
std::condition_variable cond;
bool stopped = false;
int threads_started = 0;
// Need a bunch of fd's for this test
struct rlimit rold, rnew;
ASSERT_EQ(getrlimit(RLIMIT_NOFILE, &rold), 0);
rnew = rold;
rnew.rlim_cur = rnew.rlim_max;
ASSERT_EQ(setrlimit(RLIMIT_NOFILE, &rnew), 0);
for (int i = 0; i < nthreads; ++i)
threads[i] = std::thread(status_format_func, i, std::ref(lock),
std::ref(cond), std::ref(threads_started),
std::ref(stopped));
{
std::unique_lock<std::mutex> l(lock);
cond.wait(l, [&threads_started] {
return nthreads == threads_started;
});
}
int retry = 60; // mon thrashing may make this take a long time
while (retry) {
rados_t cluster;
ASSERT_EQ(0, rados_create(&cluster, "admin"));
ASSERT_EQ(0, rados_conf_read_file(cluster, NULL));
ASSERT_EQ(0, rados_conf_parse_env(cluster, NULL));
ASSERT_EQ(0, rados_connect(cluster));
JSONFormatter cmd_f;
cmd_f.open_object_section("command");
cmd_f.dump_string("prefix", "status");
cmd_f.close_section();
std::ostringstream cmd_stream;
cmd_f.flush(cmd_stream);
const std::string serialized_cmd = cmd_stream.str();
const char *cmd[2];
cmd[1] = NULL;
cmd[0] = serialized_cmd.c_str();
char *outbuf = NULL;
size_t outlen = 0;
ASSERT_EQ(0, rados_mon_command(cluster, (const char **)cmd, 1, "", 0,
&outbuf, &outlen, NULL, NULL));
std::string out(outbuf, outlen);
cout << out << std::endl;
bool success = false;
auto r1 = out.find("16 portals active (1 hosts, 3 zones)");
if (std::string::npos != r1) {
success = true;
}
rados_buffer_free(outbuf);
rados_shutdown(cluster);
if (success || !retry) {
break;
}
// wait for 2 seconds to make sure all the
// services have been successfully updated
// to ceph mon, then retry it.
sleep(2);
retry--;
}
{
std::scoped_lock<std::mutex> l(lock);
stopped = true;
cond.notify_all();
}
for (int i = 0; i < nthreads; ++i)
threads[i].join();
ASSERT_NE(0, retry);
ASSERT_EQ(setrlimit(RLIMIT_NOFILE, &rold), 0);
}
TEST(LibRadosService, Status) {
rados_t cluster;
ASSERT_EQ(0, rados_create(&cluster, "admin"));
ASSERT_EQ(0, rados_conf_read_file(cluster, NULL));
ASSERT_EQ(0, rados_conf_parse_env(cluster, NULL));
ASSERT_EQ(-ENOTCONN, rados_service_update_status(cluster,
"testing\0testing\0"));
ASSERT_EQ(0, rados_connect(cluster));
string name = string("pid") + stringify(getpid());
ASSERT_EQ(0, rados_service_register(cluster, "laundry", name.c_str(),
"foo\0bar\0this\0that\0"));
for (int i=0; i<20; ++i) {
char buffer[1024];
snprintf(buffer, sizeof(buffer), "%s%c%s%c%s%c%d%c",
"testing", '\0', "testing", '\0',
"count", '\0', i, '\0');
ASSERT_EQ(0, rados_service_update_status(cluster, buffer));
sleep(1);
}
rados_shutdown(cluster);
}
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