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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) 2011 New Dream Network
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "common/ceph_argparse.h"
#include "common/config.h"
#include "include/cephfs/libcephfs.h"
#include "include/rados/librados.h"
#include "test/unit.h"
#include <errno.h>
#include <sstream>
#include <string>
#include <string.h>
using std::string;
TEST(DaemonConfig, SimpleSet) {
int ret;
ret = g_ceph_context->_conf->set_val("debug", "21");
ASSERT_EQ(ret, 0);
g_ceph_context->_conf->apply_changes(NULL);
char buf[128];
memset(buf, 0, sizeof(buf));
char *tmp = buf;
ret = g_ceph_context->_conf->get_val("debug", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("21"), string(buf));
}
TEST(DaemonConfig, ArgV) {
ASSERT_EQ(0, g_ceph_context->_conf->set_val("internal_safe_to_start_threads",
"false"));
int ret;
const char *argv[] = { "foo", "--debug", "22",
"--keyfile", "/tmp/my-keyfile", NULL };
size_t argc = (sizeof(argv) / sizeof(argv[0])) - 1;
vector<const char*> args;
argv_to_vec(argc, argv, args);
g_ceph_context->_conf->parse_argv(args);
g_ceph_context->_conf->apply_changes(NULL);
char buf[128];
char *tmp = buf;
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("keyfile", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("/tmp/my-keyfile"), string(buf));
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("debug", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("22"), string(buf));
ASSERT_EQ(0, g_ceph_context->_conf->set_val("internal_safe_to_start_threads",
"true"));
}
TEST(DaemonConfig, InjectArgs) {
int ret;
std::ostringstream chat;
std::string injection("--debug 56 --debug-mds 42");
ret = g_ceph_context->_conf->injectargs(injection, &chat);
ASSERT_EQ(ret, 0);
char buf[128];
char *tmp = buf;
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("debug_mds", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("42"), string(buf));
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("debug", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("56"), string(buf));
injection = "--debug 57";
ret = g_ceph_context->_conf->injectargs(injection, &chat);
ASSERT_EQ(ret, 0);
ret = g_ceph_context->_conf->get_val("debug", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("57"), string(buf));
}
TEST(DaemonConfig, InjectArgsReject) {
int ret;
char buf[128];
char *tmp = buf;
char buf2[128];
char *tmp2 = buf2;
// We should complain about the garbage in the input
std::ostringstream chat;
std::string injection("--random-garbage-in-injectargs 26 --debug 28");
ret = g_ceph_context->_conf->injectargs(injection, &chat);
ASSERT_EQ(ret, -EINVAL);
// But, debug should still be set...
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("debug", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("28"), string(buf));
// What's the current value of osd_data?
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("osd_data", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
// Injectargs shouldn't let us change this, since it is a string-valued
// variable and there isn't an observer for it.
std::string injection2("--osd_data /tmp/some-other-directory --debug 4");
ret = g_ceph_context->_conf->injectargs(injection2, &chat);
ASSERT_EQ(ret, -ENOSYS);
// It should be unchanged.
memset(buf2, 0, sizeof(buf2));
ret = g_ceph_context->_conf->get_val("osd_data", &tmp2, sizeof(buf2));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string(buf), string(buf2));
}
TEST(DaemonConfig, InjectArgsBooleans) {
int ret;
char buf[128];
char *tmp = buf;
// Change log_to_syslog
std::ostringstream chat;
std::string injection("--log_to_syslog --debug 28");
ret = g_ceph_context->_conf->injectargs(injection, &chat);
ASSERT_EQ(ret, 0);
// log_to_syslog should be set...
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("log_to_syslog", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("true"), string(buf));
// Turn off log_to_syslog
std::ostringstream chat2;
injection = "--log_to_syslog=false --debug 28";
ret = g_ceph_context->_conf->injectargs(injection, &chat2);
ASSERT_EQ(ret, 0);
// log_to_syslog should be cleared...
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("log_to_syslog", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("false"), string(buf));
// Turn on log_to_syslog
std::ostringstream chat3;
injection = "--debug 1 --log_to_syslog=true --debug-ms 40";
ret = g_ceph_context->_conf->injectargs(injection, &chat3);
ASSERT_EQ(ret, 0);
// log_to_syslog should be set...
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("log_to_syslog", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("true"), string(buf));
// parse error
std::ostringstream chat4;
injection = "--debug 1 --log_to_syslog=falsey --debug-ms 42";
ret = g_ceph_context->_conf->injectargs(injection, &chat3);
ASSERT_EQ(ret, -EINVAL);
// log_to_syslog should still be set...
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("log_to_syslog", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("true"), string(buf));
// debug-ms should still become 42...
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("debug_ms", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("42"), string(buf));
}
TEST(DaemonConfig, InjectArgsLogfile) {
int ret;
std::ostringstream chat;
char tmpfile[PATH_MAX];
const char *tmpdir = getenv("TMPDIR");
if (!tmpdir)
tmpdir = "/tmp";
snprintf(tmpfile, sizeof(tmpfile), "%s/daemon_config_test.%d",
tmpdir, getpid());
std::string injection("--log_file ");
injection += tmpfile;
// We're allowed to change log_file because there is an observer.
ret = g_ceph_context->_conf->injectargs(injection, &chat);
ASSERT_EQ(ret, 0);
// It should have taken effect.
char buf[128];
char *tmp = buf;
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("log_file", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string(buf), string(tmpfile));
// The logfile should exist.
ASSERT_EQ(access(tmpfile, R_OK), 0);
// Let's turn off the logfile.
ret = g_ceph_context->_conf->set_val("log_file", "");
ASSERT_EQ(ret, 0);
g_ceph_context->_conf->apply_changes(NULL);
ret = g_ceph_context->_conf->get_val("log_file", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string(""), string(buf));
// Clean up the garbage
unlink(tmpfile);
}
TEST(DaemonConfig, ThreadSafety1) {
int ret;
// Verify that we can't change this, since internal_safe_to_start_threads has
// been set.
ret = g_ceph_context->_conf->set_val("osd_data", "");
ASSERT_EQ(ret, -ENOSYS);
ASSERT_EQ(0, g_ceph_context->_conf->set_val("internal_safe_to_start_threads",
"false"));
// Ok, now we can change this. Since this is just a test, and there are no
// OSD threads running, we know changing osd_data won't actually blow up the
// world.
ret = g_ceph_context->_conf->set_val("osd_data", "/tmp/crazydata");
ASSERT_EQ(ret, 0);
char buf[128];
char *tmp = buf;
memset(buf, 0, sizeof(buf));
ret = g_ceph_context->_conf->get_val("osd_data", &tmp, sizeof(buf));
ASSERT_EQ(ret, 0);
ASSERT_EQ(string("/tmp/crazydata"), string(buf));
ASSERT_EQ(0, g_ceph_context->_conf->set_val("internal_safe_to_start_threads",
"false"));
ASSERT_EQ(ret, 0);
}
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