vitastor/src/cli_pool_ls.cpp

709 lines
29 KiB
C++

/*
=========================================================================
Copyright (c) 2023 MIND Software LLC. All Rights Reserved.
This file is part of the Software-Defined Storage MIND UStor Project.
For more information about this product, please visit https://mindsw.io
or contact us directly at info@mindsw.io
=========================================================================
*/
#include <algorithm>
#include <numeric>
#include <string>
#include "cli.h"
#include "cluster_client.h"
#include "str_util.h"
#include "pg_states.h"
// List pools with space statistics
struct pool_ls_t
{
cli_tool_t *parent;
pool_id_t list_pool_id = 0;
std::string list_pool_name;
std::string sort_field;
std::set<std::string> only_names;
bool show_df_format = false;
bool show_stats = false;
bool reverse = false;
bool show_all = false;
int max_count = 0;
int state = 0;
json11::Json space_info;
cli_result_t result;
std::map<pool_id_t, json11::Json::object> pool_stats;
bool is_done()
{
return state == 100;
}
std::string item_as_string(const json11::Json& item)
{
if (item.is_array())
{
if (item.array_items().empty())
return std::string{};
std::string result = item.array_items().at(0).as_string();
std::for_each(
std::next(item.array_items().begin()),
item.array_items().end(),
[&result](const json11::Json& a)
{
result += ", " + a.as_string();
});
return result;
}
else
return item.as_string();
}
void get_stats()
{
if (state == 1)
goto resume_1;
if (list_pool_name != "")
{
for (auto & ic: parent->cli->st_cli.pool_config)
{
if (ic.second.name == list_pool_name)
{
list_pool_id = ic.first;
break;
}
}
if (!list_pool_id)
{
result = (cli_result_t){ .err = ENOENT, .text = "Pool "+list_pool_name+" does not exist" };
state = 100;
return;
}
}
else if (list_pool_id !=0)
{
for (auto & ic: parent->cli->st_cli.pool_config)
{
if (ic.second.id == list_pool_id)
{
list_pool_name = ic.second.name;
break;
}
}
if (list_pool_name == "")
{
result = (cli_result_t){ .err = ENOENT, .text = "Pool "+list_pool_name+" does not exist" };
state = 100;
return;
}
}
// Space statistics - pool/stats/<pool>
parent->etcd_txn(json11::Json::object {
{ "success", json11::Json::array {
json11::Json::object {
{ "request_range", json11::Json::object {
{ "key", base64_encode(
parent->cli->st_cli.etcd_prefix+"/pool/stats/"
) },
{ "range_end", base64_encode(
parent->cli->st_cli.etcd_prefix+"/pool/stats0"
) },
} },
},
json11::Json::object {
{ "request_range", json11::Json::object {
{ "key", base64_encode(
parent->cli->st_cli.etcd_prefix+"/osd/stats/"
) },
{ "range_end", base64_encode(
parent->cli->st_cli.etcd_prefix+"/osd/stats0"
) },
} },
},
json11::Json::object {
{ "request_range", json11::Json::object {
{ "key", base64_encode(
parent->cli->st_cli.etcd_prefix+"/inode/stats"+
(list_pool_id ? "/"+std::to_string(list_pool_id) : "")+"/"
) },
{ "range_end", base64_encode(
parent->cli->st_cli.etcd_prefix+"/inode/stats"+
(list_pool_id ? "/"+std::to_string(list_pool_id) : "")+"0"
) },
} },
},
json11::Json::object {
{ "request_range", json11::Json::object {
{ "key", base64_encode(
parent->cli->st_cli.etcd_prefix+"/pg/stats"+
(list_pool_id ? "/"+std::to_string(list_pool_id) : "")+"/"
) },
{ "range_end", base64_encode(
parent->cli->st_cli.etcd_prefix+"/pg/stats"+
(list_pool_id ? "/"+std::to_string(list_pool_id) : "")+"0"
) },
} },
},
} },
});
state = 1;
resume_1:
if (parent->waiting > 0)
return;
if (parent->etcd_err.err)
{
result = parent->etcd_err;
state = 100;
return;
}
space_info = parent->etcd_result;
std::map<pool_id_t, uint64_t> osd_free;
for (auto & kv_item: space_info["responses"][0]["response_range"]["kvs"].array_items())
{
auto kv = parent->cli->st_cli.parse_etcd_kv(kv_item);
// pool ID
pool_id_t pool_id;
char null_byte = 0;
int scanned = sscanf(kv.key.substr(parent->cli->st_cli.etcd_prefix.length()).c_str(), "/pool/stats/%u%c", &pool_id, &null_byte);
if (scanned != 1 || !pool_id || pool_id >= POOL_ID_MAX)
{
fprintf(stderr, "Invalid key in etcd: %s\n", kv.key.c_str());
continue;
}
// pool/stats/<N>
pool_stats[pool_id] = kv.value.object_items();
}
for (auto & kv_item: space_info["responses"][1]["response_range"]["kvs"].array_items())
{
auto kv = parent->cli->st_cli.parse_etcd_kv(kv_item);
// osd ID
osd_num_t osd_num;
char null_byte = 0;
int scanned = sscanf(kv.key.substr(parent->cli->st_cli.etcd_prefix.length()).c_str(), "/osd/stats/%lu%c", &osd_num, &null_byte);
if (scanned != 1 || !osd_num || osd_num >= POOL_ID_MAX)
{
fprintf(stderr, "Invalid key in etcd: %s\n", kv.key.c_str());
continue;
}
// osd/stats/<N>::free
osd_free[osd_num] = kv.value["free"].uint64_value();
}
// Performance statistics
double pool_read_iops = 0;
double pool_read_bps = 0;
double pool_read_lat = 0;
double pool_write_iops = 0;
double pool_write_bps = 0;
double pool_write_lat = 0;
double pool_delete_iops = 0;
double pool_delete_bps = 0;
double pool_delete_lat = 0;
uint32_t pool_inode_stats_count = 0;
for (auto & kv_item: space_info["responses"][2]["response_range"]["kvs"].array_items())
{
auto kv = parent->cli->st_cli.parse_etcd_kv(kv_item);
// pool ID & inode number
pool_id_t pool_id;
inode_t only_inode_num;
char null_byte = 0;
int scanned = sscanf(kv.key.substr(parent->cli->st_cli.etcd_prefix.length()).c_str(),
"/inode/stats/%u/%lu%c", &pool_id, &only_inode_num, &null_byte);
if (scanned != 2 || !pool_id || pool_id >= POOL_ID_MAX || INODE_POOL(only_inode_num) != 0)
{
fprintf(stderr, "Invalid key in etcd: %s\n", kv.key.c_str());
continue;
}
pool_read_iops += kv.value["read"]["iops"].number_value();
pool_read_bps += kv.value["read"]["bps"].number_value();
pool_read_lat += kv.value["read"]["lat"].number_value();
pool_write_iops += kv.value["write"]["iops"].number_value();
pool_write_bps += kv.value["write"]["bps"].number_value();
pool_write_lat += kv.value["write"]["lat"].number_value();
pool_delete_iops += kv.value["delete"]["iops"].number_value();
pool_delete_bps += kv.value["delete"]["bps"].number_value();
pool_delete_lat += kv.value["delete"]["lat"].number_value();
pool_inode_stats_count++;
}
pool_read_bps = pool_inode_stats_count ? (pool_read_bps/pool_inode_stats_count) : 0;
pool_write_bps = pool_inode_stats_count ? (pool_write_bps/pool_inode_stats_count) : 0;
pool_delete_bps = pool_inode_stats_count ? (pool_delete_bps/pool_inode_stats_count) : 0;
pool_read_lat = pool_inode_stats_count ? (pool_read_lat/pool_inode_stats_count) : 0;
pool_write_lat = pool_inode_stats_count ? (pool_write_lat/pool_inode_stats_count) : 0;
pool_delete_lat = pool_inode_stats_count ? (pool_delete_lat/pool_inode_stats_count) : 0;
// Calculate recovery percent
uint64_t object_count = 0;
uint64_t degraded_count = 0;
uint64_t misplaced_count = 0;
for (auto & kv_item: space_info["responses"][3]["response_range"]["kvs"].array_items())
{
auto kv = parent->cli->st_cli.parse_etcd_kv(kv_item);
// pool ID & pg number
pool_id_t pool_id;
pg_num_t pg_num = 0;
char null_byte = 0;
int scanned = sscanf(kv.key.substr(parent->cli->st_cli.etcd_prefix.length()).c_str(),
"/pg/stats/%u/%u%c", &pool_id, &pg_num, &null_byte);
if (scanned != 2 || !pool_id || pool_id >= POOL_ID_MAX)
{
fprintf(stderr, "Invalid key in etcd: %s\n", kv.key.c_str());
continue;
}
object_count += kv.value["object_count"].uint64_value();
degraded_count += kv.value["degraded_count"].uint64_value();
misplaced_count += kv.value["misplaced_count"].uint64_value();
}
// Calculate max_avail for each pool
for (auto & pp: parent->cli->st_cli.pool_config)
{
auto & pool_cfg = pp.second;
uint64_t pool_avail = UINT64_MAX;
std::map<osd_num_t, uint64_t> pg_per_osd;
json11::Json::array osd_set;
for (auto & pgp: pool_cfg.pg_config)
{
for (auto pg_osd: pgp.second.target_set)
{
if (pg_osd != 0)
{
pg_per_osd[pg_osd]++;
}
}
}
for (auto pg_per_pair: pg_per_osd)
{
uint64_t pg_free = osd_free[pg_per_pair.first] * pool_cfg.pg_count / pg_per_pair.second;
if (pool_avail > pg_free)
{
pool_avail = pg_free;
}
osd_set.push_back(pg_per_pair.first);
}
if (pool_avail == UINT64_MAX)
{
pool_avail = 0;
}
if (pool_cfg.scheme != POOL_SCHEME_REPLICATED)
{
pool_avail *= (pool_cfg.pg_size - pool_cfg.parity_chunks);
}
bool active = pool_cfg.real_pg_count > 0;
bool incomplete = false;
bool has_incomplete = false;
bool degraded = false;
bool has_degraded = false;
bool has_misplaced = false;
for (auto pg_it = pool_cfg.pg_config.begin(); pg_it != pool_cfg.pg_config.end(); pg_it++)
{
if (!(pg_it->second.cur_state & PG_ACTIVE))
{
active = false;
}
if (pg_it->second.cur_state & PG_INCOMPLETE)
{
incomplete = true;
}
if (pg_it->second.cur_state & PG_HAS_INCOMPLETE)
{
has_incomplete = true;
}
if (pg_it->second.cur_state & PG_DEGRADED)
{
degraded = true;
}
if (pg_it->second.cur_state & PG_HAS_DEGRADED)
{
has_degraded = true;
}
if (pg_it->second.cur_state & PG_HAS_MISPLACED)
{
has_misplaced = true;
}
}
// incomplete > has_incomplete > degraded > has_degraded > has_misplaced
std::string status;
if (active)
{
if (incomplete)
status ="incomplete";
else if (has_incomplete)
status ="has_incomplete";
else if (degraded)
status ="degraded";
else if (has_degraded)
status ="has_degraded";
else if (has_misplaced)
status ="has_misplaced";
else
status ="active";
}
else
{
status ="inactive";
}
pool_stats[pool_cfg.id] = json11::Json::object {
{ "id", (uint64_t)(pool_cfg.id) },
{ "name", pool_cfg.name },
{ "status", status },
{ "recovery", object_count ? (double)( (degraded_count + misplaced_count)/object_count) : 0 },
{ "pg_count", pool_cfg.pg_count },
{ "real_pg_count", pool_cfg.real_pg_count },
{ "scheme", pool_cfg.scheme == POOL_SCHEME_REPLICATED ? "replicated" : "ec" },
{ "scheme_name", pool_cfg.scheme == POOL_SCHEME_REPLICATED
? std::to_string(pool_cfg.pg_size)+"/"+std::to_string(pool_cfg.pg_minsize)
: "EC "+std::to_string(pool_cfg.pg_size-pool_cfg.parity_chunks)+"+"+std::to_string(pool_cfg.parity_chunks) },
{ "used_raw", (uint64_t)(pool_stats[pool_cfg.id]["used_raw_tb"].number_value() * ((uint64_t)1<<40)) },
{ "total_raw", (uint64_t)(pool_stats[pool_cfg.id]["total_raw_tb"].number_value() * ((uint64_t)1<<40)) },
{ "max_available", pool_avail },
{ "raw_to_usable", pool_stats[pool_cfg.id]["raw_to_usable"].number_value() },
{ "space_efficiency", pool_stats[pool_cfg.id]["space_efficiency"].number_value() },
{ "pg_real_size", pool_stats[pool_cfg.id]["pg_real_size"].uint64_value() },
{ "failure_domain", pool_cfg.failure_domain },
{ "root_node", pool_cfg.root_node },
{ "osd_tags", pool_cfg.osd_tags },
{ "osd_count", pg_per_osd.size() },
{ "osd_set", osd_set },
{ "primary_affinity_tags", pool_cfg.primary_affinity_tags },
{ "pg_minsize", pool_cfg.pg_minsize },
{ "pg_size", pool_cfg.pg_size },
{ "parity_chunks",pool_cfg.parity_chunks },
{ "max_osd_combinations",pool_cfg.max_osd_combinations },
{ "block_size", (uint64_t)pool_cfg.data_block_size },
{ "bitmap_granularity",(uint64_t)pool_cfg.bitmap_granularity },
{ "pg_stripe_size",pool_cfg.pg_stripe_size },
{ "scrub_interval",pool_cfg.scrub_interval },
{ "read_iops", pool_read_iops },
{ "read_bps", pool_read_bps },
{ "read_lat", pool_read_lat },
{ "write_iops", pool_write_iops },
{ "write_bps", pool_write_bps },
{ "write_lat", pool_write_lat },
{ "delete_iops", pool_delete_iops },
{ "delete_bps", pool_delete_bps },
{ "delete_lat", pool_delete_lat} ,
};
}
}
json11::Json::array to_list()
{
json11::Json::array list;
for (auto & kv: pool_stats)
{
if (!only_names.size())
{
list.push_back(kv.second);
}
else
{
for (auto glob: only_names)
{
if (stupid_glob(kv.second["name"].string_value(), glob))
{
list.push_back(kv.second);
break;
}
}
}
}
if (sort_field == "name" ||
sort_field == "scheme_name" ||
sort_field == "scheme" ||
sort_field == "failure_domain" ||
sort_field == "root_node" ||
sort_field == "osd_tags_fmt" ||
sort_field == "primary_affinity_tags_fmt" ||
sort_field == "status" )
{
std::sort(list.begin(), list.end(), [this](json11::Json a, json11::Json b)
{
auto av = a[sort_field].as_string();
auto bv = b[sort_field].as_string();
return reverse ? av > bv : av < bv;
});
}
else
{
std::sort(list.begin(), list.end(), [this](json11::Json a, json11::Json b)
{
auto av = a[sort_field].number_value();
auto bv = b[sort_field].number_value();
return reverse ? av > bv : av < bv;
});
}
if (max_count > 0 && list.size() > max_count)
{
list.resize(max_count);
}
return list;
}
void loop()
{
get_stats();
if (parent->waiting > 0)
return;
if (state == 100)
return;
if (parent->json_output)
{
// JSON output
json11::Json::array array = to_list();
if (list_pool_id != 0)
{
for (auto & a: array)
{
if (a["id"].uint64_value() == list_pool_id)
{
result.data = a;
break;
}
}
}
else
result.data = array;
state = 100;
return;
}
for (auto & kv: pool_stats)
{
double raw_to = kv.second["raw_to_usable"].number_value();
if (raw_to < 0.000001 && raw_to > -0.000001)
raw_to = 1;
kv.second["pg_count_fmt"] = kv.second["real_pg_count"] == kv.second["pg_count"]
? kv.second["real_pg_count"].as_string()
: kv.second["real_pg_count"].as_string()+"->"+kv.second["pg_count"].as_string();
kv.second["total_fmt"] = format_size(kv.second["total_raw"].uint64_value() / raw_to);
kv.second["used_fmt"] = format_size(kv.second["used_raw"].uint64_value() / raw_to);
kv.second["max_avail_fmt"] = format_size(kv.second["max_available"].uint64_value());
kv.second["used_pct"] = format_q(kv.second["total_raw"].uint64_value()
? (100 - 100*kv.second["max_available"].uint64_value() *
kv.second["raw_to_usable"].number_value() / kv.second["total_raw"].uint64_value())
: 100)+"%";
kv.second["eff_fmt"] = format_q(kv.second["space_efficiency"].number_value()*100)+"%";
kv.second["recovery_pct"] = format_q(kv.second["recovery"].number_value()*100)+"%";
kv.second["osd_tags_fmt"] = item_as_string(kv.second["osd_tags"]);
kv.second["primary_affinity_tags_fmt"] = item_as_string(kv.second["primary_affinity_tags"]);
kv.second["read_bw"] = format_size(kv.second["read_bps"].uint64_value())+"/s";
kv.second["write_bw"] = format_size(kv.second["write_bps"].uint64_value())+"/s";
kv.second["delete_bw"] = format_size(kv.second["delete_bps"].uint64_value())+"/s";
kv.second["read_iops"] = format_q(kv.second["read_iops"].number_value());
kv.second["write_iops"] = format_q(kv.second["write_iops"].number_value());
kv.second["delete_iops"] = format_q(kv.second["delete_iops"].number_value());
kv.second["read_lat_f"] = format_lat(kv.second["read_lat"].uint64_value());
kv.second["write_lat_f"] = format_lat(kv.second["write_lat"].uint64_value());
kv.second["delete_lat_f"] = format_lat(kv.second["delete_lat"].uint64_value());
}
if (list_pool_id != 0)
{
auto array = to_list();
for (auto & a: array)
{
if (a["id"].uint64_value() == list_pool_id)
{
result.data = a;
break;
}
}
result.text = print_pool_details(result.data, parent->color);
state = 100;
return;
}
// Table output: id, name, scheme_name, pg_count, total, used, max_avail, used%, efficiency, status, recovery, root_node, failure_domain, osd_tags, primary_affinity_tags
json11::Json::array cols;
if (!show_df_format)
{
cols.push_back(json11::Json::object{
{ "key", "id" },
{ "title", "ID" },
});
}
cols.push_back(json11::Json::object{
{ "key", "name" },
{ "title", "NAME" },
});
cols.push_back(json11::Json::object{
{ "key", "scheme_name" },
{ "title", "SCHEME" },
});
cols.push_back(json11::Json::object{
{ "key", "pg_count_fmt" },
{ "title", "PGS" },
});
cols.push_back(json11::Json::object{
{ "key", "total_fmt" },
{ "title", "TOTAL" },
});
cols.push_back(json11::Json::object{
{ "key", "used_fmt" },
{ "title", "USED" },
});
cols.push_back(json11::Json::object{
{ "key", "max_avail_fmt" },
{ "title", "AVAILABLE" },
});
cols.push_back(json11::Json::object{
{ "key", "used_pct" },
{ "title", "USED%" },
});
cols.push_back(json11::Json::object{
{ "key", "eff_fmt" },
{ "title", "EFFICIENCY" },
});
if (!show_df_format)
{
cols.push_back(json11::Json::object{
{ "key", "status" },
{ "title", "STATUS" },
});
cols.push_back(json11::Json::object{
{ "key", "recovery_pct" },
{ "title", "RECOVERY" },
});
}
if (show_stats)
{
cols.push_back(json11::Json::object{
{ "key", "read_bw" },
{ "title", "READ" },
});
cols.push_back(json11::Json::object{
{ "key", "read_iops" },
{ "title", "IOPS" },
});
cols.push_back(json11::Json::object{
{ "key", "read_lat_f" },
{ "title", "LAT" },
});
cols.push_back(json11::Json::object{
{ "key", "write_bw" },
{ "title", "WRITE" },
});
cols.push_back(json11::Json::object{
{ "key", "write_iops" },
{ "title", "IOPS" },
});
cols.push_back(json11::Json::object{
{ "key", "write_lat_f" },
{ "title", "LAT" },
});
cols.push_back(json11::Json::object{
{ "key", "delete_bw" },
{ "title", "DEL" },
});
cols.push_back(json11::Json::object{
{ "key", "delete_iops" },
{ "title", "IOPS" },
});
cols.push_back(json11::Json::object{
{ "key", "delete_lat_f" },
{ "title", "LAT" },
});
}
if (show_all)
{
cols.push_back(json11::Json::object{
{ "key", "root_node" },
{ "title", "ROOT" },
});
cols.push_back(json11::Json::object{
{ "key", "failure_domain" },
{ "title", "FAILURE_DOMAIN" },
});
cols.push_back(json11::Json::object{
{ "key", "osd_tags_fmt" },
{ "title", "OSD_TAGS" },
});
cols.push_back(json11::Json::object{
{ "key", "primary_affinity_tags_fmt" },
{ "title", "AFFINITY_TAGS" },
});
}
result.data = to_list();
result.text = print_table(result.data, cols, parent->color);
state = 100;
}
std::string print_pool_details(json11::Json items, bool use_esc)
{
std::string start_esc = use_esc ? "\033[1m" : "";
std::string end_esc = use_esc ? "\033[0m" : "";
std::string result ="Pool details: \n";
result +=start_esc+" pool id: "+end_esc+ items["id"].as_string() +"\n";
result +=start_esc+" pool name: "+end_esc+ items["name"].as_string() +"\n";
result +=start_esc+" scheme: "+end_esc+ items["scheme_name"].as_string() +"\n";
result +=start_esc+" placement group count: "+end_esc+ items["pg_count_fmt"].as_string() +"\n";
result +=start_esc+" total: "+end_esc+ items["total_fmt"].as_string() +"\n";
result +=start_esc+" used: "+end_esc+ items["used_fmt"].as_string() +" ("+items["used_pct"].as_string()+")"+ "\n";
result +=start_esc+" max available: "+end_esc+ items["max_available"].as_string() +"\n";
result +=start_esc+" space efficiency: "+end_esc+ items["eff_fmt"].as_string() +"\n";
result +=start_esc+" status: "+end_esc+ items["status"].as_string() +"\n";
result +=start_esc+" recovery: "+end_esc+ items["recovery_pct"].as_string() +"\n";
result +=start_esc+" root node: "+end_esc+ items["root_node"].as_string() +"\n";
result +=start_esc+" failure domain: "+end_esc+ items["failure_domain"].as_string() +"\n";
result +=start_esc+" pg size: "+end_esc+ items["pg_size"].as_string() +"\n";
result +=start_esc+" pg minsize: "+end_esc+ items["pg_minsize"].as_string() +"\n";
result +=start_esc+" parity chunks: "+end_esc+ items["parity_chunks"].as_string() +"\n";
result +=start_esc+" max osd combinations: "+end_esc+ items["max_osd_combinations"].as_string() +"\n";
result +=start_esc+" block size: "+end_esc+ items["block_size"].as_string() +"\n";
result +=start_esc+" bitmap granularity: "+end_esc+ items["bitmap_granularity"].as_string() +"\n";
result +=start_esc+" pg stripe size: "+end_esc+ items["pg_stripe_size"].as_string() +"\n";
result +=start_esc+" scrub interval: "+end_esc+ items["scrub_interval"].as_string() +"\n";
result +=start_esc+" osd count: "+end_esc+ items["osd_count"].as_string() +"\n";
result +=start_esc+" osd: "+end_esc+ item_as_string(items["osd_set"]) +"\n";
result +=start_esc+" osd tags: "+end_esc+ item_as_string(items["osd_tags"]) +"\n";
result +=start_esc+" primary affinity tags: "+end_esc+ item_as_string(items["primary_affinity_tags"]) +"\n";
result +=start_esc+" read bandwidth: "+end_esc+ items["read_bw"].as_string() +"\n";
result +=start_esc+" read IOPS: "+end_esc+ items["read_iops"].as_string() +"\n";
result +=start_esc+" read latency: "+end_esc+ items["read_lat_f"].as_string() +"\n";
result +=start_esc+" write bandwidth: "+end_esc+ items["write_bw"].as_string() +"\n";
result +=start_esc+" write IOPS: "+end_esc+ items["write_iops"].as_string() +"\n";
result +=start_esc+" write latency: "+end_esc+ items["write_lat_f"].as_string() +"\n";
result +=start_esc+" delete bandwidth: "+end_esc+ items["delete_bw"].as_string() +"\n";
result +=start_esc+" delete IOPS: "+end_esc+ items["delete_iops"].as_string() +"\n";
result +=start_esc+" delete latency: "+end_esc+ items["delete_lat_f"].as_string() +"\n";
return result;
}
};
std::function<bool(cli_result_t &)> cli_tool_t::start_pool_ls(json11::Json cfg)
{
auto lister = new pool_ls_t();
lister->parent = this;
lister->list_pool_id = cfg["pool"].uint64_value();
lister->list_pool_name = lister->list_pool_id ? "" : cfg["pool"].as_string();
lister->show_all = cfg["long"].bool_value();
lister->show_stats = cfg["stats"].bool_value();
lister->sort_field = cfg["sort"].string_value();
lister->show_df_format = cfg["dfformat"].bool_value();
if ((lister->sort_field == "osd_tags") ||
(lister->sort_field == "primary_affinity_tags" ))
lister->sort_field = lister->sort_field + "_fmt";
lister->reverse = cfg["reverse"].bool_value();
lister->max_count = cfg["count"].uint64_value();
for (auto & item: cfg["names"].array_items())
{
lister->only_names.insert(item.string_value());
}
return [lister](cli_result_t & result)
{
lister->loop();
if (lister->is_done())
{
result = lister->result;
delete lister;
return true;
}
return false;
};
}