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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:nil -*-
// vim: ts=8 sw=2 smarttab
#pragma once
#include <sys/types.h>
#include <unistd.h>
#include <iostream>
#include <fstream>
#include <random>
#include <seastar/core/future.hh>
#include "common/ceph_argparse.h"
#include "include/expected.hpp"
namespace crimson::osd {
void usage(const char* prog);
inline uint64_t get_nonce()
{
if (auto pid = getpid(); pid == 1 || std::getenv("CEPH_USE_RANDOM_NONCE")) {
// we're running in a container; use a random number instead!
std::random_device rd;
std::default_random_engine rng{rd()};
return std::uniform_int_distribution<uint64_t>{}(rng);
} else {
return pid;
}
}
seastar::future<> populate_config_from_mon();
struct early_config_t {
std::vector<std::string> early_args;
std::vector<std::string> ceph_args;
std::string cluster_name{"ceph"};
std::string conf_file_list;
CephInitParameters init_params{CEPH_ENTITY_TYPE_OSD};
/// Returned vector must not outlive in
auto to_ptr_vector(const std::vector<std::string> &in) {
std::vector<const char *> ret;
ret.reserve(in.size());
std::transform(
std::begin(in), std::end(in),
std::back_inserter(ret),
[](const auto &str) { return str.c_str(); });
return ret;
}
std::vector<const char *> get_early_args() {
return to_ptr_vector(early_args);
}
std::vector<const char *> get_ceph_args() {
return to_ptr_vector(ceph_args);
}
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
encode(early_args, bl);
encode(ceph_args, bl);
encode(cluster_name, bl);
encode(conf_file_list, bl);
encode(init_params, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(1, bl);
decode(early_args, bl);
decode(ceph_args, bl);
decode(cluster_name, bl);
decode(conf_file_list, bl);
decode(init_params, bl);
DECODE_FINISH(bl);
}
};
/**
* get_early_config
*
* Compile initial configuration information from command line arguments,
* config files, and monitors.
*
* This implementation forks off a worker process to do this work and must
* therefore be called very early in main(). (See implementation for an
* explanation).
*/
tl::expected<early_config_t, int>
get_early_config(int argc, const char *argv[]);
}
WRITE_CLASS_ENCODER(crimson::osd::early_config_t)
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