146 lines
5.0 KiB
C++
146 lines
5.0 KiB
C++
// Copyright (c) Vitaliy Filippov, 2019+
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// License: VNPL-1.1 (see README.md for details)
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#pragma once
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#ifndef _LARGEFILE64_SOURCE
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#define _LARGEFILE64_SOURCE
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#endif
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#include <map>
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#include <vector>
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#include <string>
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#include <functional>
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#include "json11/json11.hpp"
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#include "blockstore_disk.h"
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#include "blockstore_impl.h"
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#include "crc32c.h"
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// vITADisk
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#define VITASTOR_DISK_MAGIC 0x6b73694441544976
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#define VITASTOR_DISK_MAX_SB_SIZE 128*1024
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#define VITASTOR_PART_TYPE "e7009fac-a5a1-4d72-af72-53de13059903"
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#define DEFAULT_HYBRID_JOURNAL "1G"
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struct resizer_data_moving_t;
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struct vitastor_dev_info_t
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{
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std::string path;
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bool is_hdd;
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json11::Json pt; // pt = partition table
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int osd_part_count;
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uint64_t size;
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uint64_t free;
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};
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struct disk_tool_t
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{
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/**** Parameters ****/
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std::map<std::string, std::string> options;
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bool all, json, now;
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bool dump_with_blocks, dump_with_data;
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blockstore_disk_t dsk;
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// resize data and/or move metadata and journal
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int iodepth;
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std::string new_meta_device, new_journal_device;
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uint64_t new_data_offset, new_data_len;
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uint64_t new_journal_offset, new_journal_len;
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uint64_t new_meta_offset, new_meta_len;
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/**** State ****/
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uint64_t meta_pos;
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uint64_t journal_pos, journal_calc_data_pos;
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bool first_block, first_entry;
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allocator *data_alloc;
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std::map<uint64_t, uint64_t> data_remap;
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std::map<uint64_t, uint64_t>::iterator remap_it;
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ring_loop_t *ringloop;
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ring_consumer_t ring_consumer;
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int remap_active;
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journal_entry_start je_start;
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uint8_t *new_journal_buf, *new_meta_buf, *new_journal_ptr, *new_journal_data;
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uint64_t new_journal_in_pos;
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int64_t data_idx_diff;
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uint64_t total_blocks, free_first, free_last;
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uint64_t new_clean_entry_bitmap_size, new_data_csum_size, new_clean_entry_size, new_entries_per_block;
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int new_journal_fd, new_meta_fd;
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resizer_data_moving_t *moving_blocks;
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bool started;
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void *small_write_data;
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uint32_t data_crc32;
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bool data_csum_valid;
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uint32_t crc32_last;
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uint32_t new_crc32_prev;
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~disk_tool_t();
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int dump_journal();
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void dump_journal_entry(int num, journal_entry *je, bool json);
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int process_journal(std::function<int(void*)> block_fn);
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int process_journal_block(void *buf, std::function<void(int, journal_entry*)> iter_fn);
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int process_meta(std::function<void(blockstore_meta_header_v2_t *)> hdr_fn,
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std::function<void(uint64_t, clean_disk_entry*, uint8_t*)> record_fn);
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int dump_meta();
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void dump_meta_header(blockstore_meta_header_v2_t *hdr);
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void dump_meta_entry(uint64_t block_num, clean_disk_entry *entry, uint8_t *bitmap);
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int write_json_journal(json11::Json entries);
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int write_json_meta(json11::Json meta);
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int resize_data();
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int resize_parse_params();
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void resize_init(blockstore_meta_header_v2_t *hdr);
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int resize_remap_blocks();
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int resize_copy_data();
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int resize_rewrite_journal();
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int resize_write_new_journal();
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int resize_rewrite_meta();
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int resize_write_new_meta();
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int udev_import(std::string device);
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int read_sb(std::string device);
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int write_sb(std::string device);
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int update_sb(std::string device);
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int exec_osd(std::string device);
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int systemd_start_stop_osds(const std::vector<std::string> & cmd, const std::vector<std::string> & devices);
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int pre_exec_osd(std::string device);
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int purge_devices(const std::vector<std::string> & devices);
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json11::Json read_osd_superblock(std::string device, bool expect_exist = true, bool ignore_nonref = false);
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uint32_t write_osd_superblock(std::string device, json11::Json params);
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int prepare_one(std::map<std::string, std::string> options, int is_hdd = -1);
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int prepare(std::vector<std::string> devices);
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std::vector<vitastor_dev_info_t> collect_devices(const std::vector<std::string> & devices);
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json11::Json add_partitions(vitastor_dev_info_t & devinfo, std::vector<std::string> sizes);
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std::vector<std::string> get_new_data_parts(vitastor_dev_info_t & dev, uint64_t osd_per_disk, uint64_t max_other_percent);
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int get_meta_partition(std::vector<vitastor_dev_info_t> & ssds, std::map<std::string, std::string> & options);
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int upgrade_simple_unit(std::string unit);
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};
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void disk_tool_simple_offsets(json11::Json cfg, bool json_output);
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uint64_t sscanf_json(const char *fmt, const json11::Json & str);
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void fromhexstr(const std::string & from, int bytes, uint8_t *to);
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int disable_cache(std::string dev);
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std::string get_parent_device(std::string dev);
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bool json_is_true(const json11::Json & val);
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int shell_exec(const std::vector<std::string> & cmd, const std::string & in, std::string *out, std::string *err);
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int write_zero(int fd, uint64_t offset, uint64_t size);
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json11::Json read_parttable(std::string dev);
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uint64_t dev_size_from_parttable(json11::Json pt);
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uint64_t free_from_parttable(json11::Json pt);
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int fix_partition_type(std::string dev_by_uuid);
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std::string csum_type_str(uint32_t data_csum_type);
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uint32_t csum_type_from_str(std::string data_csum_type);
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