--- /dev/null
+// -*- 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) 2004-2006 Sage Weil <sage@newdream.net>
+ * Copyright (C) 2014 Cloudwatt <libre.licensing@cloudwatt.com>
+ *
+ * Author: Loic Dachary <loic@dachary.org>
+ *
+ * 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 <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <fstream>
+
+#include "common/debug.h"
+#include "common/errno.h"
+#include "common/config.h"
+#include "common/Formatter.h"
+
+#include "common/ceph_argparse.h"
+#include "include/stringify.h"
+#include "global/global_context.h"
+#include "global/global_init.h"
+#include "osd/OSDMap.h"
+#include "crush/CrushWrapper.h"
+#include "crush/CrushCompiler.h"
+#include "crush/CrushTester.h"
+#include "include/assert.h"
+
+#define dout_context g_ceph_context
+#define dout_subsys ceph_subsys_crush
+
+using namespace std;
+
+const char *infn = "stdin";
+
+static int get_fd_data(int fd, bufferlist &bl)
+{
+
+ uint64_t total = 0;
+ do {
+ ssize_t bytes = bl.read_fd(fd, 1024*1024);
+ if (bytes < 0) {
+ cerr << "read_fd error " << cpp_strerror(-bytes) << "\n";
+ return -1;
+ }
+
+ if (bytes == 0)
+ break;
+
+ total += bytes;
+ } while(true);
+
+ assert(bl.length() == total);
+ return 0;
+}
+
+////////////////////////////////////////////////////////////////////////////
+
+void data_analysis_usage()
+{
+cout << "data output from testing routine ...\n";
+cout << " absolute_weights\n";
+cout << " the decimal weight of each OSD\n";
+cout << " data layout: ROW MAJOR\n";
+cout << " OSD id (int), weight (int)\n";
+cout << " batch_device_expected_utilization_all\n";
+cout << " the expected number of objects each OSD should receive per placement batch\n";
+cout << " which may be a decimal value\n";
+cout << " data layout: COLUMN MAJOR\n";
+cout << " round (int), objects expected on OSD 0...OSD n (float)\n";
+cout << " batch_device_utilization_all\n";
+cout << " the number of objects stored on each OSD during each placement round\n";
+cout << " data layout: COLUMN MAJOR\n";
+cout << " round (int), objects stored on OSD 0...OSD n (int)\n";
+cout << " device_utilization_all\n";
+cout << " the number of objects stored on each OSD at the end of placements\n";
+cout << " data_layout: ROW MAJOR\n";
+cout << " OSD id (int), objects stored (int), objects expected (float)\n";
+cout << " device_utilization\n";
+cout << " the number of objects stored on each OSD marked 'up' at the end of placements\n";
+cout << " data_layout: ROW MAJOR\n";
+cout << " OSD id (int), objects stored (int), objects expected (float)\n";
+cout << " placement_information\n";
+cout << " the map of input -> OSD\n";
+cout << " data_layout: ROW MAJOR\n";
+cout << " input (int), OSD's mapped (int)\n";
+cout << " proportional_weights_all\n";
+cout << " the proportional weight of each OSD specified in the CRUSH map\n";
+cout << " data_layout: ROW MAJOR\n";
+cout << " OSD id (int), proportional weight (float)\n";
+cout << " proportional_weights\n";
+cout << " the proportional weight of each 'up' OSD specified in the CRUSH map\n";
+cout << " data_layout: ROW MAJOR\n";
+cout << " OSD id (int), proportional weight (float)\n";
+}
+
+void usage()
+{
+ cout << "usage: crushtool ...\n";
+ cout << "\n";
+ cout << "Display, modify and test a crush map\n";
+ cout << "\n";
+ cout << "There are five stages, running one after the other:\n";
+ cout << "\n";
+ cout << " - input/build\n";
+ cout << " - tunables adjustments\n";
+ cout << " - modifications\n";
+ cout << " - display/test\n";
+ cout << " - output\n";
+ cout << "\n";
+ cout << "Options that are not specific to a stage.\n";
+ cout << "\n";
+ cout << " [--infn|-i infile]\n";
+ cout << " read the crush map from infile\n";
+ cout << "\n";
+ cout << "Options for the input/build stage\n";
+ cout << "\n";
+ cout << " --decompile|-d map decompile a crush map to source\n";
+ cout << " [--outfn|-o outfile]\n";
+ cout << " specify output for for (de)compilation\n";
+ cout << " --compile|-c map.txt compile a map from source\n";
+ cout << " --enable-unsafe-tunables\n";
+ cout << " compile with unsafe tunables\n";
+ cout << " --build --num_osds N layer1 ...\n";
+ cout << " build a new map, where each 'layer' is\n";
+ cout << " 'name (uniform|straw2|straw|list|tree) size'\n";
+ cout << "\n";
+ cout << "Options for the tunables adjustments stage\n";
+ cout << "\n";
+ cout << " --set-choose-local-tries N\n";
+ cout << " set choose local retries before re-descent\n";
+ cout << " --set-choose-local-fallback-tries N\n";
+ cout << " set choose local retries using fallback\n";
+ cout << " permutation before re-descent\n";
+ cout << " --set-choose-total-tries N\n";
+ cout << " set choose total descent attempts\n";
+ cout << " --set-chooseleaf-descend-once <0|1>\n";
+ cout << " set chooseleaf to (not) retry the recursive descent\n";
+ cout << " --set-chooseleaf-vary-r <0|1>\n";
+ cout << " set chooseleaf to (not) vary r based on parent\n";
+ cout << " --set-chooseleaf-stable <0|1>\n";
+ cout << " set chooseleaf firstn to (not) return stable results\n";
+ cout << "\n";
+ cout << "Options for the modifications stage\n";
+ cout << "\n";
+ cout << " -i mapfn --add-item id weight name [--loc type name ...]\n";
+ cout << " insert an item into the hierarchy at the\n";
+ cout << " given location\n";
+ cout << " -i mapfn --update-item id weight name [--loc type name ...]\n";
+ cout << " insert or move an item into the hierarchy at the\n";
+ cout << " given location\n";
+ cout << " -i mapfn --remove-item name\n"
+ << " remove the given item\n";
+ cout << " -i mapfn --reweight-item name weight\n";
+ cout << " reweight a given item (and adjust ancestor\n"
+ << " weights as needed)\n";
+ cout << " -i mapfn --reweight recalculate all bucket weights\n";
+ cout << " -i mapfn --create-simple-rule name root type mode\n"
+ << " create crush rule <name> to start from <root>,\n"
+ << " replicate across buckets of type <type>, using\n"
+ << " a choose mode of <firstn|indep>\n";
+ cout << " -i mapfn --create-replicated-rule name root type\n"
+ << " create crush rule <name> to start from <root>,\n"
+ << " replicate across buckets of type <type>\n";
+ cout << " --device-class <class>\n";
+ cout << " use device class <class> for new rule\n";
+ cout << " -i mapfn --remove-rule name\n"
+ << " remove the specified crush rule\n";
+ cout << "\n";
+ cout << "Options for the display/test stage\n";
+ cout << "\n";
+ cout << " -f --format the format of --dump, defaults to json-pretty\n";
+ cout << " can be one of json, json-pretty, xml, xml-pretty,\n";
+ cout << " table, table-kv, html, html-pretty\n";
+ cout << " --dump dump the crush map\n";
+ cout << " --tree print map summary as a tree\n";
+ cout << " --check [max_id] check if any item is referencing an unknown name/type\n";
+ cout << " -i mapfn --show-location id\n";
+ cout << " show location for given device id\n";
+ cout << " -i mapfn --test test a range of inputs on the map\n";
+ cout << " [--min-x x] [--max-x x] [--x x]\n";
+ cout << " [--min-rule r] [--max-rule r] [--rule r] [--ruleset rs]\n";
+ cout << " [--num-rep n]\n";
+ cout << " [--pool-id n] specifies pool id\n";
+ cout << " [--batches b] split the CRUSH mapping into b > 1 rounds\n";
+ cout << " [--weight|-w devno weight]\n";
+ cout << " where weight is 0 to 1.0\n";
+ cout << " [--simulate] simulate placements using a random\n";
+ cout << " number generator in place of the CRUSH\n";
+ cout << " algorithm\n";
+ cout << " --show-utilization show OSD usage\n";
+ cout << " --show-utilization-all\n";
+ cout << " include zero weight items\n";
+ cout << " --show-statistics show chi squared statistics\n";
+ cout << " --show-mappings show mappings\n";
+ cout << " --show-bad-mappings show bad mappings\n";
+ cout << " --show-choose-tries show choose tries histogram\n";
+ cout << " --output-name name\n";
+ cout << " prepend the data file(s) generated during the\n";
+ cout << " testing routine with name\n";
+ cout << " --output-csv\n";
+ cout << " export select data generated during testing routine\n";
+ cout << " to CSV files for off-line post-processing\n";
+ cout << " use --help-output for more information\n";
+ cout << "\n";
+ cout << "Options for the output stage\n";
+ cout << "\n";
+ cout << " [--outfn|-o outfile]\n";
+ cout << " specify output for modified crush map\n";
+ cout << "\n";
+}
+
+struct bucket_types_t {
+ const char *name;
+ int type;
+} bucket_types[] = {
+ { "uniform", CRUSH_BUCKET_UNIFORM },
+ { "list", CRUSH_BUCKET_LIST },
+ { "straw", CRUSH_BUCKET_STRAW },
+ { "straw2", CRUSH_BUCKET_STRAW2 },
+ { "tree", CRUSH_BUCKET_TREE },
+ { 0, 0 },
+};
+
+struct layer_t {
+ const char *name;
+ const char *buckettype;
+ int size;
+};
+
+int main(int argc, const char **argv)
+{
+ vector<const char*> args;
+ argv_to_vec(argc, argv, args);
+
+ const char *me = argv[0];
+ std::string infn, srcfn, outfn, add_name, remove_name, reweight_name;
+ bool compile = false;
+ bool decompile = false;
+ bool check = false;
+ int max_id = -1;
+ bool test = false;
+ bool display = false;
+ bool tree = false;
+ string dump_format = "json-pretty";
+ bool dump = false;
+ int full_location = -1;
+ bool write_to_file = false;
+ int verbose = 0;
+ bool unsafe_tunables = false;
+
+ bool reweight = false;
+ int add_item = -1;
+ bool update_item = false;
+ bool add_rule = false;
+ std::string rule_name, rule_root, rule_type, rule_mode, rule_device_class;
+ bool del_rule = false;
+ float add_weight = 0;
+ map<string,string> add_loc;
+ float reweight_weight = 0;
+
+ bool adjust = false;
+
+ int build = 0;
+ int num_osds =0;
+ vector<layer_t> layers;
+
+ int choose_local_tries = -1;
+ int choose_local_fallback_tries = -1;
+ int choose_total_tries = -1;
+ int chooseleaf_descend_once = -1;
+ int chooseleaf_vary_r = -1;
+ int chooseleaf_stable = -1;
+ int straw_calc_version = -1;
+ int allowed_bucket_algs = -1;
+
+ CrushWrapper crush;
+
+ CrushTester tester(crush, cout);
+
+ // we use -c, don't confuse the generic arg parsing
+ // only parse arguments from CEPH_ARGS, if in the environment
+ vector<const char *> env_args;
+ env_to_vec(env_args);
+ auto cct = global_init(NULL, env_args, CEPH_ENTITY_TYPE_CLIENT,
+ CODE_ENVIRONMENT_UTILITY,
+ CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
+ // crushtool times out occasionally when quits. so do not
+ // release the g_ceph_context.
+ cct->get();
+ common_init_finish(g_ceph_context);
+
+ int x;
+ float y;
+ long long z;
+
+ std::string val;
+ std::ostringstream err;
+ int tmp;
+ for (std::vector<const char*>::iterator i = args.begin(); i != args.end(); ) {
+ if (ceph_argparse_double_dash(args, i)) {
+ break;
+ } else if (ceph_argparse_flag(args, i, "-h", "--help", (char*)NULL)) {
+ usage();
+ return EXIT_SUCCESS;
+ } else if (ceph_argparse_witharg(args, i, &val, "-d", "--decompile", (char*)NULL)) {
+ infn = val;
+ decompile = true;
+ } else if (ceph_argparse_witharg(args, i, &val, "-i", "--infn", (char*)NULL)) {
+ infn = val;
+ } else if (ceph_argparse_witharg(args, i, &val, "-o", "--outfn", (char*)NULL)) {
+ outfn = val;
+ } else if (ceph_argparse_flag(args, i, "-v", "--verbose", (char*)NULL)) {
+ verbose += 1;
+ } else if (ceph_argparse_flag(args, i, "--tree", (char*)NULL)) {
+ tree = true;
+ } else if (ceph_argparse_witharg(args, i, &val, "-f", "--format", (char*)NULL)) {
+ dump_format = val;
+ } else if (ceph_argparse_flag(args, i, "--dump", (char*)NULL)) {
+ dump = true;
+ } else if (ceph_argparse_flag(args, i, "--show_utilization", (char*)NULL)) {
+ display = true;
+ tester.set_output_utilization(true);
+ } else if (ceph_argparse_flag(args, i, "--show_utilization_all", (char*)NULL)) {
+ display = true;
+ tester.set_output_utilization_all(true);
+ } else if (ceph_argparse_flag(args, i, "--show_statistics", (char*)NULL)) {
+ display = true;
+ tester.set_output_statistics(true);
+ } else if (ceph_argparse_flag(args, i, "--show_mappings", (char*)NULL)) {
+ display = true;
+ tester.set_output_mappings(true);
+ } else if (ceph_argparse_flag(args, i, "--show_bad_mappings", (char*)NULL)) {
+ display = true;
+ tester.set_output_bad_mappings(true);
+ } else if (ceph_argparse_flag(args, i, "--show_choose_tries", (char*)NULL)) {
+ display = true;
+ tester.set_output_choose_tries(true);
+ } else if (ceph_argparse_witharg(args, i, &val, "-c", "--compile", (char*)NULL)) {
+ srcfn = val;
+ compile = true;
+ } else if (ceph_argparse_witharg(args, i, &max_id, err, "--check", (char*)NULL)) {
+ check = true;
+ } else if (ceph_argparse_flag(args, i, "-t", "--test", (char*)NULL)) {
+ test = true;
+ } else if (ceph_argparse_witharg(args, i, &full_location, err, "--show-location", (char*)NULL)) {
+ } else if (ceph_argparse_flag(args, i, "-s", "--simulate", (char*)NULL)) {
+ tester.set_random_placement();
+ } else if (ceph_argparse_flag(args, i, "--enable-unsafe-tunables", (char*)NULL)) {
+ unsafe_tunables = true;
+ } else if (ceph_argparse_witharg(args, i, &choose_local_tries, err,
+ "--set_choose_local_tries", (char*)NULL)) {
+ adjust = true;
+ } else if (ceph_argparse_witharg(args, i, &choose_local_fallback_tries, err,
+ "--set_choose_local_fallback_tries", (char*)NULL)) {
+ adjust = true;
+ } else if (ceph_argparse_witharg(args, i, &choose_total_tries, err,
+ "--set_choose_total_tries", (char*)NULL)) {
+ adjust = true;
+ } else if (ceph_argparse_witharg(args, i, &chooseleaf_descend_once, err,
+ "--set_chooseleaf_descend_once", (char*)NULL)) {
+ adjust = true;
+ } else if (ceph_argparse_witharg(args, i, &chooseleaf_vary_r, err,
+ "--set_chooseleaf_vary_r", (char*)NULL)) {
+ adjust = true;
+ } else if (ceph_argparse_witharg(args, i, &chooseleaf_stable, err,
+ "--set_chooseleaf_stable", (char*)NULL)) {
+ adjust = true;
+ } else if (ceph_argparse_witharg(args, i, &straw_calc_version, err,
+ "--set_straw_calc_version", (char*)NULL)) {
+ adjust = true;
+ } else if (ceph_argparse_witharg(args, i, &allowed_bucket_algs, err,
+ "--set_allowed_bucket_algs", (char*)NULL)) {
+ adjust = true;
+ } else if (ceph_argparse_flag(args, i, "--reweight", (char*)NULL)) {
+ reweight = true;
+ } else if (ceph_argparse_witharg(args, i, &add_item, err, "--add_item", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --add-item" << std::endl;
+ return EXIT_FAILURE;
+ }
+ add_weight = atof(*i);
+ i = args.erase(i);
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --add-item" << std::endl;
+ return EXIT_FAILURE;
+ }
+ add_name.assign(*i);
+ i = args.erase(i);
+ } else if (ceph_argparse_witharg(args, i, &add_item, err, "--update_item", (char*)NULL)) {
+ update_item = true;
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --update-item" << std::endl;
+ return EXIT_FAILURE;
+ }
+ add_weight = atof(*i);
+ i = args.erase(i);
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --update-item" << std::endl;
+ return EXIT_FAILURE;
+ }
+ add_name.assign(*i);
+ i = args.erase(i);
+ } else if (ceph_argparse_witharg(args, i, &val, err, "--create-simple-rule", (char*)NULL)) {
+ rule_name.assign(val);
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --create-simple-rule" << std::endl;
+ return EXIT_FAILURE;
+ }
+
+ rule_root.assign(*i);
+ i = args.erase(i);
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --create-simple-rule" << std::endl;
+ return EXIT_FAILURE;
+ }
+
+ rule_type.assign(*i);
+ i = args.erase(i);
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --create-simple-rule" << std::endl;
+ return EXIT_FAILURE;
+ }
+
+ rule_mode.assign(*i);
+ i = args.erase(i);
+
+ cout << "--create-simple-rule:"
+ << " name=" << rule_name
+ << " root=" << rule_root
+ << " type=" << rule_type
+ << " mode=" << rule_mode
+ << std::endl;
+ add_rule = true;
+ } else if (ceph_argparse_witharg(args, i, &val, err, "--create-replicated-rule", (char*)NULL)) {
+ rule_name.assign(val);
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --create-replicated-rule" << std::endl;
+ return EXIT_FAILURE;
+ }
+
+ rule_root.assign(*i);
+ i = args.erase(i);
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --create-replicated-rule" << std::endl;
+ return EXIT_FAILURE;
+ }
+
+ rule_type.assign(*i);
+ i = args.erase(i);
+ rule_mode = "firstn";
+
+ cout << "--create-replicated-rule:"
+ << " name=" << rule_name
+ << " root=" << rule_root
+ << " type=" << rule_type
+ << std::endl;
+ add_rule = true;
+
+ } else if (ceph_argparse_witharg(args, i, &val, "--device-class", (char*)NULL)) {
+ rule_device_class.assign(val);
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ } else if (ceph_argparse_witharg(args, i, &val, "--remove-rule", (char*)NULL)) {
+ rule_name.assign(val);
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ del_rule = true;
+ } else if (ceph_argparse_witharg(args, i, &val, "--loc", (char*)NULL)) {
+ std::string type(val);
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --loc" << std::endl;
+ return EXIT_FAILURE;
+ }
+ std::string name(*i);
+ i = args.erase(i);
+ add_loc[type] = name;
+ } else if (ceph_argparse_flag(args, i, "--output-csv", (char*)NULL)) {
+ write_to_file = true;
+ tester.set_output_data_file(true);
+ tester.set_output_csv(true);
+ } else if (ceph_argparse_flag(args, i, "--help-output", (char*)NULL)) {
+ data_analysis_usage();
+ return EXIT_SUCCESS;
+ } else if (ceph_argparse_witharg(args, i, &val, "--output-name", (char*)NULL)) {
+ std::string name(val);
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --output-name" << std::endl;
+ return EXIT_FAILURE;
+ }
+ else {
+ tester.set_output_data_file_name(name + "-");
+ }
+ } else if (ceph_argparse_witharg(args, i, &val, "--remove_item", (char*)NULL)) {
+ remove_name = val;
+ } else if (ceph_argparse_witharg(args, i, &val, "--reweight_item", (char*)NULL)) {
+ reweight_name = val;
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --reweight-item" << std::endl;
+ return EXIT_FAILURE;
+ }
+ reweight_weight = atof(*i);
+ i = args.erase(i);
+ } else if (ceph_argparse_flag(args, i, "--build", (char*)NULL)) {
+ build = true;
+ } else if (ceph_argparse_witharg(args, i, &num_osds, err, "--num_osds", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ } else if (ceph_argparse_witharg(args, i, &x, err, "--num_rep", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_num_rep(x);
+ } else if (ceph_argparse_witharg(args, i, &x, err, "--max_x", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_max_x(x);
+ } else if (ceph_argparse_witharg(args, i, &x, err, "--min_x", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_min_x(x);
+ } else if (ceph_argparse_witharg(args, i, &z, err, "--pool_id", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_pool_id(z);
+ } else if (ceph_argparse_witharg(args, i, &x, err, "--x", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_x(x);
+ } else if (ceph_argparse_witharg(args, i, &x, err, "--max_rule", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_max_rule(x);
+ } else if (ceph_argparse_witharg(args, i, &x, err, "--min_rule", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_min_rule(x);
+ } else if (ceph_argparse_witharg(args, i, &x, err, "--rule", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_rule(x);
+ } else if (ceph_argparse_witharg(args, i, &x, err, "--ruleset", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_ruleset(x);
+ } else if (ceph_argparse_witharg(args, i, &x, err, "--batches", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_batches(x);
+ } else if (ceph_argparse_witharg(args, i, &y, err, "--mark-down-ratio", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_device_down_ratio(y);
+ } else if (ceph_argparse_witharg(args, i, &y, err, "--mark-down-bucket-ratio", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ tester.set_bucket_down_ratio(y);
+ } else if (ceph_argparse_witharg(args, i, &tmp, err, "--weight", (char*)NULL)) {
+ if (!err.str().empty()) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ int dev = tmp;
+ if (i == args.end()) {
+ cerr << "expecting additional argument to --weight" << std::endl;
+ return EXIT_FAILURE;
+ }
+ float f = atof(*i);
+ i = args.erase(i);
+ tester.set_device_weight(dev, f);
+ }
+ else {
+ ++i;
+ }
+ }
+
+ if (test && !check && !display && !write_to_file) {
+ cerr << "WARNING: no output selected; use --output-csv or --show-X" << std::endl;
+ }
+
+ if (decompile + compile + build > 1) {
+ cerr << "cannot specify more than one of compile, decompile, and build" << std::endl;
+ return EXIT_FAILURE;
+ }
+ if (!check && !compile && !decompile && !build && !test && !reweight && !adjust && !tree && !dump &&
+ add_item < 0 && !add_rule && !del_rule && full_location < 0 &&
+ remove_name.empty() && reweight_name.empty()) {
+ cerr << "no action specified; -h for help" << std::endl;
+ return EXIT_FAILURE;
+ }
+ if ((!build) && (!args.empty())) {
+ cerr << "unrecognized arguments: " << args << std::endl;
+ return EXIT_FAILURE;
+ }
+ else {
+ if ((args.size() % 3) != 0U) {
+ cerr << "remaining args: " << args << std::endl;
+ cerr << "layers must be specified with 3-tuples of (name, buckettype, size)"
+ << std::endl;
+ return EXIT_FAILURE;
+ }
+ for (size_t j = 0; j < args.size(); j += 3) {
+ layer_t l;
+ l.name = args[j];
+ l.buckettype = args[j+1];
+ l.size = atoi(args[j+2]);
+ layers.push_back(l);
+ }
+ }
+
+ /*
+ if (outfn) cout << "outfn " << outfn << std::endl;
+ if (cinfn) cout << "cinfn " << cinfn << std::endl;
+ if (dinfn) cout << "dinfn " << dinfn << std::endl;
+ */
+
+ bool modified = false;
+
+ // input ----
+
+ if (!infn.empty()) {
+ bufferlist bl;
+ std::string error;
+
+ int r = 0;
+ if (infn == "-") {
+ if (isatty(STDIN_FILENO)) {
+ cerr << "stdin must not be from a tty" << std::endl;
+ return EXIT_FAILURE;
+ }
+ r = get_fd_data(STDIN_FILENO, bl);
+ if (r < 0) {
+ cerr << "error reading data from STDIN" << std::endl;
+ return EXIT_FAILURE;
+ }
+ } else {
+ r = bl.read_file(infn.c_str(), &error);
+ if (r < 0) {
+ cerr << me << ": error reading '" << infn << "': "
+ << error << std::endl;
+ return EXIT_FAILURE;
+ }
+ }
+ bufferlist::iterator p = bl.begin();
+ try {
+ crush.decode(p);
+ } catch(...) {
+ cerr << me << ": unable to decode " << infn << std::endl;
+ return EXIT_FAILURE;
+ }
+ }
+
+ if (compile) {
+ crush.create();
+
+ // read the file
+ ifstream in(srcfn.c_str());
+ if (!in.is_open()) {
+ cerr << "input file " << srcfn << " not found" << std::endl;
+ return -ENOENT;
+ }
+
+ CrushCompiler cc(crush, cerr, verbose);
+ if (unsafe_tunables)
+ cc.enable_unsafe_tunables();
+ int r = cc.compile(in, srcfn.c_str());
+ if (r < 0)
+ return EXIT_FAILURE;
+
+ modified = true;
+ }
+
+ if (build) {
+ if (layers.empty()) {
+ cerr << me << ": must specify at least one layer" << std::endl;
+ return EXIT_FAILURE;
+ }
+
+ crush.create();
+
+ vector<int> lower_items;
+ vector<int> lower_weights;
+
+ crush.set_max_devices(num_osds);
+ for (int i=0; i<num_osds; i++) {
+ lower_items.push_back(i);
+ lower_weights.push_back(0x10000);
+ crush.set_item_name(i, "osd." + stringify(i));
+ }
+
+ crush.set_type_name(0, "osd");
+ int type = 1;
+ for (vector<layer_t>::iterator p = layers.begin(); p != layers.end(); ++p, type++) {
+ layer_t &l = *p;
+
+ dout(2) << "layer " << type
+ << " " << l.name
+ << " bucket type " << l.buckettype
+ << " " << l.size
+ << dendl;
+
+ crush.set_type_name(type, l.name);
+
+ int buckettype = -1;
+ for (int i = 0; bucket_types[i].name; i++)
+ if (l.buckettype && strcmp(l.buckettype, bucket_types[i].name) == 0) {
+ buckettype = bucket_types[i].type;
+ break;
+ }
+ if (buckettype < 0) {
+ cerr << "unknown bucket type '" << l.buckettype << "'" << std::endl;
+ return EXIT_FAILURE;
+ }
+
+ // build items
+ vector<int> cur_items;
+ vector<int> cur_weights;
+ unsigned lower_pos = 0; // lower pos
+
+ dout(2) << "lower_items " << lower_items << dendl;
+ dout(2) << "lower_weights " << lower_weights << dendl;
+
+ int i = 0;
+ while (1) {
+ if (lower_pos == lower_items.size())
+ break;
+
+ int items[num_osds];
+ int weights[num_osds];
+
+ int weight = 0;
+ int j;
+ for (j=0; j<l.size || l.size==0; j++) {
+ if (lower_pos == lower_items.size())
+ break;
+ items[j] = lower_items[lower_pos];
+ weights[j] = lower_weights[lower_pos];
+ weight += weights[j];
+ lower_pos++;
+ dout(2) << " item " << items[j] << " weight " << weights[j] << dendl;
+ }
+
+ int id;
+ int r = crush.add_bucket(0, buckettype, CRUSH_HASH_DEFAULT, type, j, items, weights, &id);
+ if (r < 0) {
+ cerr << " Couldn't add bucket: " << cpp_strerror(r) << std::endl;
+ return r;
+ }
+
+ char format[20];
+ format[sizeof(format)-1] = '\0';
+ if (l.size)
+ snprintf(format, sizeof(format)-1, "%s%%d", l.name);
+ else
+ strncpy(format, l.name, sizeof(format)-1);
+ char name[20];
+ snprintf(name, sizeof(name), format, i);
+ crush.set_item_name(id, name);
+
+ dout(2) << " in bucket " << id << " '" << name << "' size " << j << " weight " << weight << dendl;
+
+ cur_items.push_back(id);
+ cur_weights.push_back(weight);
+ i++;
+ }
+
+ lower_items.swap(cur_items);
+ lower_weights.swap(cur_weights);
+ }
+
+ string root = layers.back().size == 0 ? layers.back().name :
+ string(layers.back().name) + "0";
+
+ {
+ set<int> roots;
+ crush.find_roots(&roots);
+ if (roots.size() > 1) {
+ cerr << "The crush rulesets will use the root " << root << "\n"
+ << "and ignore the others.\n"
+ << "There are " << roots.size() << " roots, they can be\n"
+ << "grouped into a single root by appending something like:\n"
+ << " root straw 0\n"
+ << std::endl;
+ }
+ }
+
+ if (OSDMap::build_simple_crush_rules(g_ceph_context, crush, root, &cerr))
+ return EXIT_FAILURE;
+
+ modified = true;
+ }
+
+ // mutate ----
+
+ if (choose_local_tries >= 0) {
+ crush.set_choose_local_tries(choose_local_tries);
+ modified = true;
+ }
+ if (choose_local_fallback_tries >= 0) {
+ crush.set_choose_local_fallback_tries(choose_local_fallback_tries);
+ modified = true;
+ }
+ if (choose_total_tries >= 0) {
+ crush.set_choose_total_tries(choose_total_tries);
+ modified = true;
+ }
+ if (chooseleaf_descend_once >= 0) {
+ crush.set_chooseleaf_descend_once(chooseleaf_descend_once);
+ modified = true;
+ }
+ if (chooseleaf_vary_r >= 0) {
+ crush.set_chooseleaf_vary_r(chooseleaf_vary_r);
+ modified = true;
+ }
+ if (chooseleaf_stable >= 0) {
+ crush.set_chooseleaf_stable(chooseleaf_stable);
+ modified = true;
+ }
+ if (straw_calc_version >= 0) {
+ crush.set_straw_calc_version(straw_calc_version);
+ modified = true;
+ }
+ if (allowed_bucket_algs >= 0) {
+ crush.set_allowed_bucket_algs(allowed_bucket_algs);
+ modified = true;
+ }
+
+ if (!reweight_name.empty()) {
+ cout << me << " reweighting item " << reweight_name << " to " << reweight_weight << std::endl;
+ int r;
+ if (!crush.name_exists(reweight_name)) {
+ cerr << " name " << reweight_name << " dne" << std::endl;
+ r = -ENOENT;
+ } else {
+ int item = crush.get_item_id(reweight_name);
+ r = crush.adjust_item_weightf(g_ceph_context, item, reweight_weight);
+ }
+ if (r >= 0)
+ modified = true;
+ else {
+ cerr << me << " " << cpp_strerror(r) << std::endl;
+ return r;
+ }
+ }
+
+ if (!remove_name.empty()) {
+ cout << me << " removing item " << remove_name << std::endl;
+ int r;
+ if (!crush.name_exists(remove_name)) {
+ cerr << " name " << remove_name << " dne" << std::endl;
+ r = -ENOENT;
+ } else {
+ int remove_item = crush.get_item_id(remove_name);
+ r = crush.remove_item(g_ceph_context, remove_item, false);
+ }
+ if (r == 0)
+ modified = true;
+ else {
+ cerr << me << " " << cpp_strerror(r) << std::endl;
+ return r;
+ }
+ }
+
+ if (add_item >= 0) {
+ int r;
+ if (update_item) {
+ r = crush.update_item(g_ceph_context, add_item, add_weight, add_name.c_str(), add_loc);
+ } else {
+ r = crush.insert_item(g_ceph_context, add_item, add_weight, add_name.c_str(), add_loc);
+ }
+ if (r >= 0) {
+ modified = true;
+ } else {
+ cerr << me << " " << cpp_strerror(r) << std::endl;
+ return r;
+ }
+ }
+
+ if (add_rule) {
+ if (crush.rule_exists(rule_name)) {
+ cerr << "rule " << rule_name << " already exists" << std::endl;
+ return EXIT_FAILURE;
+ }
+ int r = crush.add_simple_rule(rule_name, rule_root, rule_type,
+ rule_device_class,
+ rule_mode, pg_pool_t::TYPE_REPLICATED, &err);
+ if (r < 0) {
+ cerr << err.str() << std::endl;
+ return EXIT_FAILURE;
+ }
+ modified = true;
+ }
+
+ if (del_rule) {
+ if (!crush.rule_exists(rule_name)) {
+ cerr << "rule " << rule_name << " does not exist" << std::endl;
+ return 0;
+ }
+ int ruleno = crush.get_rule_id(rule_name);
+ assert(ruleno >= 0);
+ int r = crush.remove_rule(ruleno);
+ if (r < 0) {
+ cerr << "fail to remove rule " << rule_name << std::endl;
+ return EXIT_FAILURE;
+ }
+ modified = true;
+ }
+
+ if (reweight) {
+ crush.reweight(g_ceph_context);
+ modified = true;
+ }
+
+
+ // display ---
+ if (full_location >= 0) {
+ map<string, string> loc = crush.get_full_location(full_location);
+ for (map<string,string>::iterator p = loc.begin();
+ p != loc.end();
+ ++p) {
+ cout << p->first << "\t" << p->second << std::endl;
+ }
+ }
+
+ if (tree) {
+ crush.dump_tree(&cout, NULL);
+ }
+
+ if (dump) {
+ boost::scoped_ptr<Formatter> f(Formatter::create(dump_format, "json-pretty", "json-pretty"));
+ f->open_object_section("crush_map");
+ crush.dump(f.get());
+ f->close_section();
+ f->flush(cout);
+ cout << "\n";
+ }
+
+ if (decompile) {
+ CrushCompiler cc(crush, cerr, verbose);
+ if (!outfn.empty()) {
+ ofstream o;
+ o.open(outfn.c_str(), ios::out | ios::binary | ios::trunc);
+ if (!o.is_open()) {
+ cerr << me << ": error writing '" << outfn << "'" << std::endl;
+ return EXIT_FAILURE;
+ }
+ cc.decompile(o);
+ o.close();
+ } else {
+ cc.decompile(cout);
+ }
+ }
+
+ if (check) {
+ tester.check_overlapped_rules();
+ if (max_id >= 0) {
+ if (!tester.check_name_maps(max_id)) {
+ return EXIT_FAILURE;
+ }
+ }
+ }
+
+ if (test) {
+ if (tester.get_output_utilization_all() ||
+ tester.get_output_utilization())
+ tester.set_output_statistics(true);
+
+ int r = tester.test();
+ if (r < 0)
+ return EXIT_FAILURE;
+ }
+
+ // output ---
+ if (modified) {
+ crush.finalize();
+
+ if (outfn.empty()) {
+ cout << me << " successfully built or modified map. Use '-o <file>' to write it out." << std::endl;
+ } else {
+ bufferlist bl;
+ crush.encode(bl, CEPH_FEATURES_SUPPORTED_DEFAULT);
+ int r = bl.write_file(outfn.c_str());
+ if (r < 0) {
+ cerr << me << ": error writing '" << outfn << "': " << cpp_strerror(r) << std::endl;
+ return EXIT_FAILURE;
+ }
+ if (verbose)
+ cout << "wrote crush map to " << outfn << std::endl;
+ }
+ }
+
+ return 0;
+}
+/*
+ * Local Variables:
+ * compile-command: "cd .. ; make crushtool && test/run-cli-tests"
+ * End:
+ */
Code Review / stor4nfv.git / blobdiff