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options.cc
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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "acconfig.h"
#include "options.h"
#include "common/Formatter.h"
// Helpers for validators
#include "include/stringify.h"
#include "include/common_fwd.h"
#include <boost/algorithm/string.hpp>
#include <boost/lexical_cast.hpp>
#include <regex>
// Definitions for enums
#include "common/perf_counters.h"
// rbd feature validation
#include "librbd/Features.h"
namespace {
class printer : public boost::static_visitor<> {
ostream& out;
public:
explicit printer(ostream& os)
: out(os) {}
template<typename T>
void operator()(const T& v) const {
out << v;
}
void operator()(boost::blank blank) const {
return;
}
void operator()(bool v) const {
out << (v ? "true" : "false");
}
void operator()(double v) const {
out << std::fixed << v << std::defaultfloat;
}
void operator()(const Option::size_t& v) const {
out << v.value;
}
void operator()(const std::chrono::seconds v) const {
out << v.count();
}
};
}
ostream& operator<<(ostream& os, const Option::value_t& v) {
printer p{os};
v.apply_visitor(p);
return os;
}
void Option::dump_value(const char *field_name,
const Option::value_t &v, Formatter *f) const
{
if (boost::get<boost::blank>(&v)) {
// This should be nil but Formatter doesn't allow it.
f->dump_string(field_name, "");
return;
}
switch (type) {
case TYPE_INT:
f->dump_int(field_name, boost::get<int64_t>(v)); break;
case TYPE_UINT:
f->dump_unsigned(field_name, boost::get<uint64_t>(v)); break;
case TYPE_STR:
f->dump_string(field_name, boost::get<std::string>(v)); break;
case TYPE_FLOAT:
f->dump_float(field_name, boost::get<double>(v)); break;
case TYPE_BOOL:
f->dump_bool(field_name, boost::get<bool>(v)); break;
default:
f->dump_stream(field_name) << v; break;
}
}
int Option::pre_validate(std::string *new_value, std::string *err) const
{
if (validator) {
return validator(new_value, err);
} else {
return 0;
}
}
int Option::validate(const Option::value_t &new_value, std::string *err) const
{
// Generic validation: min
if (!boost::get<boost::blank>(&(min))) {
if (new_value < min) {
std::ostringstream oss;
oss << "Value '" << new_value << "' is below minimum " << min;
*err = oss.str();
return -EINVAL;
}
}
// Generic validation: max
if (!boost::get<boost::blank>(&(max))) {
if (new_value > max) {
std::ostringstream oss;
oss << "Value '" << new_value << "' exceeds maximum " << max;
*err = oss.str();
return -EINVAL;
}
}
// Generic validation: enum
if (!enum_allowed.empty() && type == Option::TYPE_STR) {
auto found = std::find(enum_allowed.begin(), enum_allowed.end(),
boost::get<std::string>(new_value));
if (found == enum_allowed.end()) {
std::ostringstream oss;
oss << "'" << new_value << "' is not one of the permitted "
"values: " << joinify(enum_allowed.begin(),
enum_allowed.end(),
std::string(", "));
*err = oss.str();
return -EINVAL;
}
}
return 0;
}
int Option::parse_value(
const std::string& raw_val,
value_t *out,
std::string *error_message,
std::string *normalized_value) const
{
std::string val = raw_val;
int r = pre_validate(&val, error_message);
if (r != 0) {
return r;
}
if (type == Option::TYPE_INT) {
int64_t f = strict_si_cast<int64_t>(val.c_str(), error_message);
if (!error_message->empty()) {
return -EINVAL;
}
*out = f;
} else if (type == Option::TYPE_UINT) {
uint64_t f = strict_si_cast<uint64_t>(val.c_str(), error_message);
if (!error_message->empty()) {
return -EINVAL;
}
*out = f;
} else if (type == Option::TYPE_STR) {
*out = val;
} else if (type == Option::TYPE_FLOAT) {
double f = strict_strtod(val.c_str(), error_message);
if (!error_message->empty()) {
return -EINVAL;
} else {
*out = f;
}
} else if (type == Option::TYPE_BOOL) {
if (strcasecmp(val.c_str(), "false") == 0) {
*out = false;
} else if (strcasecmp(val.c_str(), "true") == 0) {
*out = true;
} else {
int b = strict_strtol(val.c_str(), 10, error_message);
if (!error_message->empty()) {
return -EINVAL;
}
*out = (bool)!!b;
}
} else if (type == Option::TYPE_ADDR) {
entity_addr_t addr;
if (!addr.parse(val.c_str())){
return -EINVAL;
}
*out = addr;
} else if (type == Option::TYPE_ADDRVEC) {
entity_addrvec_t addr;
if (!addr.parse(val.c_str())){
return -EINVAL;
}
*out = addr;
} else if (type == Option::TYPE_UUID) {
uuid_d uuid;
if (!uuid.parse(val.c_str())) {
return -EINVAL;
}
*out = uuid;
} else if (type == Option::TYPE_SIZE) {
Option::size_t sz{strict_iecstrtoll(val.c_str(), error_message)};
if (!error_message->empty()) {
return -EINVAL;
}
*out = sz;
} else if (type == Option::TYPE_SECS) {
try {
*out = parse_timespan(val);
} catch (const invalid_argument& e) {
*error_message = e.what();
return -EINVAL;
}
} else {
ceph_abort();
}
r = validate(*out, error_message);
if (r != 0) {
return r;
}
if (normalized_value) {
*normalized_value = to_str(*out);
}
return 0;
}
void Option::dump(Formatter *f) const
{
f->dump_string("name", name);
f->dump_string("type", type_to_str(type));
f->dump_string("level", level_to_str(level));
f->dump_string("desc", desc);
f->dump_string("long_desc", long_desc);
dump_value("default", value, f);
dump_value("daemon_default", daemon_value, f);
f->open_array_section("tags");
for (const auto t : tags) {
f->dump_string("tag", t);
}
f->close_section();
f->open_array_section("services");
for (const auto s : services) {
f->dump_string("service", s);
}
f->close_section();
f->open_array_section("see_also");
for (const auto sa : see_also) {
f->dump_string("see_also", sa);
}
f->close_section();
if (type == TYPE_STR) {
f->open_array_section("enum_values");
for (const auto &ea : enum_allowed) {
f->dump_string("enum_value", ea);
}
f->close_section();
}
dump_value("min", min, f);
dump_value("max", max, f);
f->dump_bool("can_update_at_runtime", can_update_at_runtime());
f->open_array_section("flags");
if (has_flag(FLAG_RUNTIME)) {
f->dump_string("option", "runtime");
}
if (has_flag(FLAG_NO_MON_UPDATE)) {
f->dump_string("option", "no_mon_update");
}
if (has_flag(FLAG_STARTUP)) {
f->dump_string("option", "startup");
}
if (has_flag(FLAG_CLUSTER_CREATE)) {
f->dump_string("option", "cluster_create");
}
if (has_flag(FLAG_CREATE)) {
f->dump_string("option", "create");
}
f->close_section();
}
std::string Option::to_str(const Option::value_t& v)
{
return stringify(v);
}
void Option::print(ostream *out) const
{
*out << name << " - " << desc << "\n";
*out << " (" << type_to_str(type) << ", " << level_to_str(level) << ")\n";
if (!boost::get<boost::blank>(&daemon_value)) {
*out << " Default (non-daemon): " << stringify(value) << "\n";
*out << " Default (daemon): " << stringify(daemon_value) << "\n";
} else {
*out << " Default: " << stringify(value) << "\n";
}
if (!enum_allowed.empty()) {
*out << " Possible values: ";
for (auto& i : enum_allowed) {
*out << " " << stringify(i);
}
*out << "\n";
}
if (!boost::get<boost::blank>(&min)) {
*out << " Minimum: " << stringify(min) << "\n"
<< " Maximum: " << stringify(max) << "\n";
}
*out << " Can update at runtime: "
<< (can_update_at_runtime() ? "true" : "false") << "\n";
if (!services.empty()) {
*out << " Services: " << services << "\n";
}
if (!tags.empty()) {
*out << " Tags: " << tags << "\n";
}
if (!see_also.empty()) {
*out << " See also: " << see_also << "\n";
}
if (long_desc.size()) {
*out << "\n" << long_desc << "\n";
}
}
constexpr unsigned long long operator"" _min (unsigned long long min) {
return min * 60;
}
constexpr unsigned long long operator"" _hr (unsigned long long hr) {
return hr * 60 * 60;
}
constexpr unsigned long long operator"" _day (unsigned long long day) {
return day * 60 * 60 * 24;
}
constexpr unsigned long long operator"" _K (unsigned long long n) {
return n << 10;
}
constexpr unsigned long long operator"" _M (unsigned long long n) {
return n << 20;
}
constexpr unsigned long long operator"" _G (unsigned long long n) {
return n << 30;
}
constexpr unsigned long long operator"" _T (unsigned long long n) {
return n << 40;
}
std::vector<Option> get_global_options() {
return std::vector<Option>({
Option("host", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_description("local hostname")
.set_long_description("if blank, ceph assumes the short hostname (hostname -s)")
.set_flag(Option::FLAG_NO_MON_UPDATE)
.add_service("common")
.add_tag("network"),
Option("fsid", Option::TYPE_UUID, Option::LEVEL_BASIC)
.set_description("cluster fsid (uuid)")
.set_flag(Option::FLAG_NO_MON_UPDATE)
.set_flag(Option::FLAG_STARTUP)
.add_service("common")
.add_tag("service"),
Option("public_addr", Option::TYPE_ADDR, Option::LEVEL_BASIC)
.set_description("public-facing address to bind to")
.set_flag(Option::FLAG_STARTUP)
.add_service({"mon", "mds", "osd", "mgr"}),
Option("public_addrv", Option::TYPE_ADDRVEC, Option::LEVEL_BASIC)
.set_description("public-facing address to bind to")
.set_flag(Option::FLAG_STARTUP)
.add_service({"mon", "mds", "osd", "mgr"}),
Option("public_bind_addr", Option::TYPE_ADDR, Option::LEVEL_ADVANCED)
.set_default(entity_addr_t())
.set_flag(Option::FLAG_STARTUP)
.add_service("mon")
.set_description(""),
Option("cluster_addr", Option::TYPE_ADDR, Option::LEVEL_BASIC)
.set_description("cluster-facing address to bind to")
.add_service("osd")
.set_flag(Option::FLAG_STARTUP)
.add_tag("network"),
Option("public_network", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.add_service({"mon", "mds", "osd", "mgr"})
.set_flag(Option::FLAG_STARTUP)
.add_tag("network")
.set_description("Network(s) from which to choose a public address to bind to"),
Option("public_network_interface", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.add_service({"mon", "mds", "osd", "mgr"})
.add_tag("network")
.set_flag(Option::FLAG_STARTUP)
.set_description("Interface name(s) from which to choose an address from a public_network to bind to; public_network must also be specified.")
.add_see_also("public_network"),
Option("cluster_network", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.add_service("osd")
.set_flag(Option::FLAG_STARTUP)
.add_tag("network")
.set_description("Network(s) from which to choose a cluster address to bind to"),
Option("cluster_network_interface", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.add_service({"mon", "mds", "osd", "mgr"})
.set_flag(Option::FLAG_STARTUP)
.add_tag("network")
.set_description("Interface name(s) from which to choose an address from a cluster_network to bind to; cluster_network must also be specified.")
.add_see_also("cluster_network"),
Option("monmap", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_description("path to MonMap file")
.set_long_description("This option is normally used during mkfs, but can also "
"be used to identify which monitors to connect to.")
.set_flag(Option::FLAG_NO_MON_UPDATE)
.add_service("mon")
.set_flag(Option::FLAG_CREATE),
Option("mon_host", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_description("list of hosts or addresses to search for a monitor")
.set_long_description("This is a comma, whitespace, or semicolon separated "
"list of IP addresses or hostnames. Hostnames are "
"resolved via DNS and all A or AAAA records are "
"included in the search list.")
.set_flag(Option::FLAG_NO_MON_UPDATE)
.set_flag(Option::FLAG_STARTUP)
.add_service("common"),
Option("mon_dns_srv_name", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("ceph-mon")
.set_description("name of DNS SRV record to check for monitor addresses")
.set_flag(Option::FLAG_STARTUP)
.add_service("common")
.add_tag("network")
.add_see_also("mon_host"),
Option("container_image", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_description("container image (used by cephadm orchestrator)")
.set_flag(Option::FLAG_STARTUP)
.set_default("docker.io/ceph/ceph:v15"),
Option("no_config_file", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(false)
.set_flag(Option::FLAG_NO_MON_UPDATE)
.set_flag(Option::FLAG_STARTUP)
.add_service("common")
.add_tag("config")
.set_description("signal that we don't require a config file to be present")
.set_long_description("When specified, we won't be looking for a "
"configuration file, and will instead expect that "
"whatever options or values are required for us to "
"work will be passed as arguments."),
// lockdep
Option("lockdep", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_description("enable lockdep lock dependency analyzer")
.set_flag(Option::FLAG_NO_MON_UPDATE)
.set_flag(Option::FLAG_STARTUP)
.add_service("common"),
Option("lockdep_force_backtrace", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_description("always gather current backtrace at every lock")
.set_flag(Option::FLAG_STARTUP)
.add_service("common")
.add_see_also("lockdep"),
Option("run_dir", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("/var/run/ceph")
.set_flag(Option::FLAG_STARTUP)
.set_description("path for the 'run' directory for storing pid and socket files")
.add_service("common")
.add_see_also("admin_socket"),
Option("admin_socket", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("")
.set_daemon_default("$run_dir/$cluster-$name.asok")
.set_flag(Option::FLAG_STARTUP)
.set_description("path for the runtime control socket file, used by the 'ceph daemon' command")
.add_service("common"),
Option("admin_socket_mode", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_description("file mode to set for the admin socket file, e.g, '0755'")
.set_flag(Option::FLAG_STARTUP)
.add_service("common")
.add_see_also("admin_socket"),
// daemon
Option("daemonize", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(false)
.set_daemon_default(true)
.set_description("whether to daemonize (background) after startup")
.set_flag(Option::FLAG_STARTUP)
.set_flag(Option::FLAG_NO_MON_UPDATE)
.add_service({"mon", "mgr", "osd", "mds"})
.add_tag("service")
.add_see_also({"pid_file", "chdir"}),
Option("setuser", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_flag(Option::FLAG_STARTUP)
.set_description("uid or user name to switch to on startup")
.set_long_description("This is normally specified by the systemd unit file.")
.add_service({"mon", "mgr", "osd", "mds"})
.add_tag("service")
.add_see_also("setgroup"),
Option("setgroup", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_flag(Option::FLAG_STARTUP)
.set_description("gid or group name to switch to on startup")
.set_long_description("This is normally specified by the systemd unit file.")
.add_service({"mon", "mgr", "osd", "mds"})
.add_tag("service")
.add_see_also("setuser"),
Option("setuser_match_path", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_flag(Option::FLAG_STARTUP)
.set_description("if set, setuser/setgroup is condition on this path matching ownership")
.set_long_description("If setuser or setgroup are specified, and this option is non-empty, then the uid/gid of the daemon will only be changed if the file or directory specified by this option has a matching uid and/or gid. This exists primarily to allow switching to user ceph for OSDs to be conditional on whether the osd data contents have also been chowned after an upgrade. This is normally specified by the systemd unit file.")
.add_service({"mon", "mgr", "osd", "mds"})
.add_tag("service")
.add_see_also({"setuser", "setgroup"}),
Option("pid_file", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_flag(Option::FLAG_STARTUP)
.set_description("path to write a pid file (if any)")
.add_service({"mon", "mgr", "osd", "mds"})
.add_tag("service"),
Option("chdir", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_description("path to chdir(2) to after daemonizing")
.set_flag(Option::FLAG_STARTUP)
.set_flag(Option::FLAG_NO_MON_UPDATE)
.add_service({"mon", "mgr", "osd", "mds"})
.add_tag("service")
.add_see_also("daemonize"),
Option("fatal_signal_handlers", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(true)
.set_flag(Option::FLAG_STARTUP)
.set_description("whether to register signal handlers for SIGABRT etc that dump a stack trace")
.set_long_description("This is normally true for daemons and values for libraries.")
.add_service({"mon", "mgr", "osd", "mds"})
.add_tag("service"),
Option("crash_dir", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_flag(Option::FLAG_STARTUP)
.set_default("/var/lib/ceph/crash")
.set_description("Directory where crash reports are archived"),
// restapi
Option("restapi_log_level", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_description("default set by python code"),
Option("restapi_base_url", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_description("default set by python code"),
Option("erasure_code_dir", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default(CEPH_PKGLIBDIR"/erasure-code")
.set_flag(Option::FLAG_STARTUP)
.set_description("directory where erasure-code plugins can be found")
.add_service({"mon", "osd"}),
// logging
Option("log_file", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_default("")
.set_daemon_default("/var/log/ceph/$cluster-$name.log")
.set_description("path to log file")
.add_see_also({"log_to_file",
"log_to_stderr",
"err_to_stderr",
"log_to_syslog",
"err_to_syslog"}),
Option("log_max_new", Option::TYPE_INT, Option::LEVEL_ADVANCED)
.set_default(1000)
.set_description("max unwritten log entries to allow before waiting to flush to the log")
.add_see_also("log_max_recent"),
Option("log_max_recent", Option::TYPE_INT, Option::LEVEL_ADVANCED)
.set_default(500)
.set_daemon_default(10000)
.set_description("recent log entries to keep in memory to dump in the event of a crash")
.set_long_description("The purpose of this option is to log at a higher debug level only to the in-memory buffer, and write out the detailed log messages only if there is a crash. Only log entries below the lower log level will be written unconditionally to the log. For example, debug_osd=1/5 will write everything <= 1 to the log unconditionally but keep entries at levels 2-5 in memory. If there is a seg fault or assertion failure, all entries will be dumped to the log."),
Option("log_to_file", Option::TYPE_BOOL, Option::LEVEL_BASIC)
.set_default(true)
.set_description("send log lines to a file")
.add_see_also("log_file"),
Option("log_to_stderr", Option::TYPE_BOOL, Option::LEVEL_BASIC)
.set_default(true)
.set_daemon_default(false)
.set_description("send log lines to stderr"),
Option("err_to_stderr", Option::TYPE_BOOL, Option::LEVEL_BASIC)
.set_default(false)
.set_daemon_default(true)
.set_description("send critical error log lines to stderr"),
Option("log_stderr_prefix", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_description("String to prefix log messages with when sent to stderr")
.set_long_description("This is useful in container environments when combined with mon_cluster_log_to_stderr. The mon log prefixes each line with the channel name (e.g., 'default', 'audit'), while log_stderr_prefix can be set to 'debug '.")
.add_see_also("mon_cluster_log_to_stderr"),
Option("log_to_syslog", Option::TYPE_BOOL, Option::LEVEL_BASIC)
.set_default(false)
.set_description("send log lines to syslog facility"),
Option("err_to_syslog", Option::TYPE_BOOL, Option::LEVEL_BASIC)
.set_default(false)
.set_description("send critical error log lines to syslog facility"),
Option("log_flush_on_exit", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(false)
.set_description("set a process exit handler to ensure the log is flushed on exit"),
Option("log_stop_at_utilization", Option::TYPE_FLOAT, Option::LEVEL_BASIC)
.set_default(.97)
.set_min_max(0.0, 1.0)
.set_description("stop writing to the log file when device utilization reaches this ratio")
.add_see_also("log_file"),
Option("log_to_graylog", Option::TYPE_BOOL, Option::LEVEL_BASIC)
.set_default(false)
.set_description("send log lines to remote graylog server")
.add_see_also({"err_to_graylog",
"log_graylog_host",
"log_graylog_port"}),
Option("err_to_graylog", Option::TYPE_BOOL, Option::LEVEL_BASIC)
.set_default(false)
.set_description("send critical error log lines to remote graylog server")
.add_see_also({"log_to_graylog",
"log_graylog_host",
"log_graylog_port"}),
Option("log_graylog_host", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_default("127.0.0.1")
.set_description("address or hostname of graylog server to log to")
.add_see_also({"log_to_graylog",
"err_to_graylog",
"log_graylog_port"}),
Option("log_graylog_port", Option::TYPE_INT, Option::LEVEL_BASIC)
.set_default(12201)
.set_description("port number for the remote graylog server")
.add_see_also("log_graylog_host"),
Option("log_coarse_timestamps", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(true)
.set_description("timestamp log entries from coarse system clock "
"to improve performance")
.add_service("common")
.add_tag("performance")
.add_tag("service"),
// unmodified
Option("clog_to_monitors", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("default=true")
.set_flag(Option::FLAG_RUNTIME)
.set_description("Make daemons send cluster log messages to monitors"),
Option("clog_to_syslog", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("false")
.set_flag(Option::FLAG_RUNTIME)
.set_description("Make daemons send cluster log messages to syslog"),
Option("clog_to_syslog_level", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("info")
.set_flag(Option::FLAG_RUNTIME)
.set_description("Syslog level for cluster log messages")
.add_see_also("clog_to_syslog"),
Option("clog_to_syslog_facility", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("default=daemon audit=local0")
.set_flag(Option::FLAG_RUNTIME)
.set_description("Syslog facility for cluster log messages")
.add_see_also("clog_to_syslog"),
Option("clog_to_graylog", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("false")
.set_flag(Option::FLAG_RUNTIME)
.set_description("Make daemons send cluster log to graylog"),
Option("clog_to_graylog_host", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("127.0.0.1")
.set_flag(Option::FLAG_RUNTIME)
.set_description("Graylog host to cluster log messages")
.add_see_also("clog_to_graylog"),
Option("clog_to_graylog_port", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("12201")
.set_flag(Option::FLAG_RUNTIME)
.set_description("Graylog port number for cluster log messages")
.add_see_also("clog_to_graylog"),
Option("mon_cluster_log_to_stderr", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(false)
.add_service("mon")
.set_flag(Option::FLAG_RUNTIME)
.set_description("Make monitor send cluster log messages to stderr (prefixed by channel)")
.add_see_also("log_stderr_prefix"),
Option("mon_cluster_log_to_syslog", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("default=false")
.set_flag(Option::FLAG_RUNTIME)
.add_service("mon")
.set_description("Make monitor send cluster log messages to syslog"),
Option("mon_cluster_log_to_syslog_level", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("info")
.add_service("mon")
.set_flag(Option::FLAG_RUNTIME)
.set_description("Syslog level for cluster log messages")
.add_see_also("mon_cluster_log_to_syslog"),
Option("mon_cluster_log_to_syslog_facility", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("daemon")
.add_service("mon")
.set_flag(Option::FLAG_RUNTIME)
.set_description("Syslog facility for cluster log messages")
.add_see_also("mon_cluster_log_to_syslog"),
Option("mon_cluster_log_to_file", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(true)
.set_flag(Option::FLAG_RUNTIME)
.add_service("mon")
.set_description("Make monitor send cluster log messages to file")
.add_see_also("mon_cluster_log_file"),
Option("mon_cluster_log_file", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("default=/var/log/ceph/$cluster.$channel.log cluster=/var/log/ceph/$cluster.log")
.set_flag(Option::FLAG_RUNTIME)
.add_service("mon")
.set_description("File(s) to write cluster log to")
.set_long_description("This can either be a simple file name to receive all messages, or a list of key/value pairs where the key is the log channel and the value is the filename, which may include $cluster and $channel metavariables")
.add_see_also("mon_cluster_log_to_file"),
Option("mon_cluster_log_file_level", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("debug")
.set_flag(Option::FLAG_RUNTIME)
.add_service("mon")
.set_description("Lowest level to include is cluster log file")
.add_see_also("mon_cluster_log_file"),
Option("mon_cluster_log_to_graylog", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("false")
.set_flag(Option::FLAG_RUNTIME)
.add_service("mon")
.set_description("Make monitor send cluster log to graylog"),
Option("mon_cluster_log_to_graylog_host", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("127.0.0.1")
.set_flag(Option::FLAG_RUNTIME)
.add_service("mon")
.set_description("Graylog host for cluster log messages")
.add_see_also("mon_cluster_log_to_graylog"),
Option("mon_cluster_log_to_graylog_port", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("12201")
.set_flag(Option::FLAG_RUNTIME)
.add_service("mon")
.set_description("Graylog port for cluster log messages")
.add_see_also("mon_cluster_log_to_graylog"),
Option("enable_experimental_unrecoverable_data_corrupting_features", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_flag(Option::FLAG_RUNTIME)
.set_default("")
.set_description("Enable named (or all with '*') experimental features that may be untested, dangerous, and/or cause permanent data loss"),
Option("plugin_dir", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default(CEPH_PKGLIBDIR)
.set_flag(Option::FLAG_STARTUP)
.add_service({"mon", "osd"})
.set_description("Base directory for dynamically loaded plugins"),
// Compressor
Option("compressor_zlib_isal", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(false)
.set_description("Use Intel ISA-L accelerated zlib implementation if available"),
Option("compressor_zlib_level", Option::TYPE_INT, Option::LEVEL_ADVANCED)
.set_default(5)
.set_description("Zlib compression level to use"),
Option("compressor_zstd_level", Option::TYPE_INT, Option::LEVEL_ADVANCED)
.set_default(1)
.set_description("Zstd compression level to use"),
Option("qat_compressor_enabled", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(false)
.set_description("Enable Intel QAT acceleration support for compression if available"),
Option("plugin_crypto_accelerator", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("crypto_isal")
.set_description("Crypto accelerator library to use"),
Option("mempool_debug", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_default(false)
.set_flag(Option::FLAG_NO_MON_UPDATE)
.set_description(""),
Option("thp", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_default(false)
.set_flag(Option::FLAG_STARTUP)
.set_description("enable transparent huge page (THP) support")
.set_long_description("Ceph is known to suffer from memory fragmentation due to THP use. This is indicated by RSS usage above configured memory targets. Enabling THP is currently discouraged until selective use of THP by Ceph is implemented."),
Option("key", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("")
.set_description("Authentication key")
.set_long_description("A CephX authentication key, base64 encoded. It normally looks something like 'AQAtut9ZdMbNJBAAHz6yBAWyJyz2yYRyeMWDag=='.")
.set_flag(Option::FLAG_STARTUP)
.set_flag(Option::FLAG_NO_MON_UPDATE)
.add_see_also("keyfile")
.add_see_also("keyring"),
Option("keyfile", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("")
.set_description("Path to a file containing a key")
.set_long_description("The file should contain a CephX authentication key and optionally a trailing newline, but nothing else.")
.set_flag(Option::FLAG_STARTUP)
.set_flag(Option::FLAG_NO_MON_UPDATE)
.add_see_also("key"),
Option("keyring", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default(
"/etc/ceph/$cluster.$name.keyring,/etc/ceph/$cluster.keyring,"
"/etc/ceph/keyring,/etc/ceph/keyring.bin,"
#if defined(__FreeBSD)
"/usr/local/etc/ceph/$cluster.$name.keyring,"
"/usr/local/etc/ceph/$cluster.keyring,"
"/usr/local/etc/ceph/keyring,/usr/local/etc/ceph/keyring.bin,"
#endif
)
.set_description("Path to a keyring file.")
.set_long_description("A keyring file is an INI-style formatted file where the section names are client or daemon names (e.g., 'osd.0') and each section contains a 'key' property with CephX authentication key as the value.")
.set_flag(Option::FLAG_STARTUP)
.set_flag(Option::FLAG_NO_MON_UPDATE)
.add_see_also("key")
.add_see_also("keyfile"),
Option("heartbeat_interval", Option::TYPE_INT, Option::LEVEL_ADVANCED)
.set_default(5)
.set_flag(Option::FLAG_STARTUP)
.set_description("Frequency of internal heartbeat checks (seconds)"),
Option("heartbeat_file", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("")
.set_flag(Option::FLAG_STARTUP)
.set_description("File to touch on successful internal heartbeat")
.set_long_description("If set, this file will be touched every time an internal heartbeat check succeeds.")
.add_see_also("heartbeat_interval"),
Option("heartbeat_inject_failure", Option::TYPE_INT, Option::LEVEL_DEV)
.set_default(0)
.set_description(""),
Option("perf", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(true)
.set_description("Enable internal performance metrics")
.set_long_description("If enabled, collect and expose internal health metrics"),
Option("ms_type", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_flag(Option::FLAG_STARTUP)
.set_default("async+posix")
.set_description("Messenger implementation to use for network communication"),
Option("ms_public_type", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("")
.set_flag(Option::FLAG_STARTUP)
.set_description("Messenger implementation to use for the public network")
.set_long_description("If not specified, use ms_type")
.add_see_also("ms_type"),
Option("ms_cluster_type", Option::TYPE_STR, Option::LEVEL_ADVANCED)
.set_default("")
.set_flag(Option::FLAG_STARTUP)
.set_description("Messenger implementation to use for the internal cluster network")
.set_long_description("If not specified, use ms_type")
.add_see_also("ms_type"),
Option("ms_mon_cluster_mode", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_default("secure crc")
.set_flag(Option::FLAG_STARTUP)
.set_description("Connection modes (crc, secure) for intra-mon connections in order of preference")
.add_see_also("ms_mon_service_mode")
.add_see_also("ms_mon_client_mode")
.add_see_also("ms_service_mode")
.add_see_also("ms_cluster_mode")
.add_see_also("ms_client_mode"),
Option("ms_mon_service_mode", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_default("secure crc")
.set_flag(Option::FLAG_STARTUP)
.set_description("Allowed connection modes (crc, secure) for connections to mons")
.add_see_also("ms_service_mode")
.add_see_also("ms_mon_cluster_mode")
.add_see_also("ms_mon_client_mode")
.add_see_also("ms_cluster_mode")
.add_see_also("ms_client_mode"),
Option("ms_mon_client_mode", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_default("secure crc")
.set_flag(Option::FLAG_STARTUP)
.set_description("Connection modes (crc, secure) for connections from clients to monitors in order of preference")
.add_see_also("ms_mon_service_mode")
.add_see_also("ms_mon_cluster_mode")
.add_see_also("ms_service_mode")
.add_see_also("ms_cluster_mode")
.add_see_also("ms_client_mode"),
Option("ms_cluster_mode", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_default("crc secure")
.set_flag(Option::FLAG_STARTUP)
.set_description("Connection modes (crc, secure) for intra-cluster connections in order of preference")
.add_see_also("ms_service_mode")
.add_see_also("ms_client_mode"),
Option("ms_service_mode", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_default("crc secure")
.set_flag(Option::FLAG_STARTUP)
.set_description("Allowed connection modes (crc, secure) for connections to daemons")
.add_see_also("ms_cluster_mode")
.add_see_also("ms_client_mode"),
Option("ms_client_mode", Option::TYPE_STR, Option::LEVEL_BASIC)
.set_default("crc secure")
.set_flag(Option::FLAG_STARTUP)
.set_description("Connection modes (crc, secure) for connections from clients in order of preference")
.add_see_also("ms_cluster_mode")
.add_see_also("ms_service_mode"),
Option("ms_learn_addr_from_peer", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(true)
.set_description("Learn address from what IP our first peer thinks we connect from")
.set_long_description("Use the IP address our first peer (usually a monitor) sees that we are connecting from. This is useful if a client is behind some sort of NAT and we want to see it identified by its local (not NATed) address."),
Option("ms_tcp_nodelay", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(true)
.set_description("Disable Nagle's algorithm and send queued network traffic immediately"),
Option("ms_tcp_rcvbuf", Option::TYPE_SIZE, Option::LEVEL_ADVANCED)
.set_default(0)
.set_description("Size of TCP socket receive buffer"),
Option("ms_tcp_prefetch_max_size", Option::TYPE_SIZE, Option::LEVEL_ADVANCED)
.set_default(4_K)
.set_description("Maximum amount of data to prefetch out of the socket receive buffer"),
Option("ms_initial_backoff", Option::TYPE_FLOAT, Option::LEVEL_ADVANCED)
.set_default(.2)
.set_description("Initial backoff after a network error is detected (seconds)"),
Option("ms_max_backoff", Option::TYPE_FLOAT, Option::LEVEL_ADVANCED)
.set_default(15.0)
.set_description("Maximum backoff after a network error before retrying (seconds)")
.add_see_also("ms_initial_backoff"),
Option("ms_crc_data", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_default(true)
.set_description("Set and/or verify crc32c checksum on data payload sent over network"),
Option("ms_crc_header", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_default(true)
.set_description("Set and/or verify crc32c checksum on header payload sent over network"),
Option("ms_die_on_bad_msg", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_default(false)
.set_description("Induce a daemon crash/exit when a bad network message is received"),
Option("ms_die_on_unhandled_msg", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_default(false)
.set_description("Induce a daemon crash/exit when an unrecognized message is received"),
Option("ms_die_on_old_message", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_default(false)
.set_description("Induce a daemon crash/exit when a old, undecodable message is received"),
Option("ms_die_on_skipped_message", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_default(false)
.set_description("Induce a daemon crash/exit if sender skips a message sequence number"),
Option("ms_die_on_bug", Option::TYPE_BOOL, Option::LEVEL_DEV)
.set_default(false)
.set_description("Induce a crash/exit on various bugs (for testing purposes)"),
Option("ms_dispatch_throttle_bytes", Option::TYPE_SIZE, Option::LEVEL_ADVANCED)
.set_default(100_M)
.set_description("Limit messages that are read off the network but still being processed"),
Option("ms_bind_ipv4", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(true)
.set_description("Bind servers to IPv4 address(es)")
.add_see_also("ms_bind_ipv6"),
Option("ms_bind_ipv6", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
.set_default(false)