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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2012 Inktank Storage, Inc. | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
7c673cae FG |
15 | #include <sys/utsname.h> |
16 | #include <boost/lexical_cast.hpp> | |
17 | ||
18 | #include "include/compat.h" | |
19 | #include "include/util.h" | |
20 | #include "common/debug.h" | |
21 | #include "common/errno.h" | |
7c673cae FG |
22 | #include "common/version.h" |
23 | ||
24 | #ifdef HAVE_SYS_VFS_H | |
25 | #include <sys/vfs.h> | |
26 | #endif | |
27 | ||
11fdf7f2 | 28 | #if defined(__APPLE__) || defined(__FreeBSD__) |
7c673cae FG |
29 | #include <sys/param.h> |
30 | #include <sys/mount.h> | |
11fdf7f2 TL |
31 | #if defined(__APPLE__) |
32 | #include <sys/types.h> | |
33 | #include <sys/sysctl.h> | |
34 | #endif | |
7c673cae FG |
35 | #endif |
36 | ||
181888fb FG |
37 | #include <string> |
38 | ||
39 | #include <stdio.h> | |
40 | ||
7c673cae FG |
41 | int get_fs_stats(ceph_data_stats_t &stats, const char *path) |
42 | { | |
43 | if (!path) | |
44 | return -EINVAL; | |
45 | ||
46 | struct statfs stbuf; | |
47 | int err = ::statfs(path, &stbuf); | |
48 | if (err < 0) { | |
49 | return -errno; | |
50 | } | |
51 | ||
52 | stats.byte_total = stbuf.f_blocks * stbuf.f_bsize; | |
53 | stats.byte_used = (stbuf.f_blocks - stbuf.f_bfree) * stbuf.f_bsize; | |
54 | stats.byte_avail = stbuf.f_bavail * stbuf.f_bsize; | |
55 | stats.avail_percent = (((float)stats.byte_avail/stats.byte_total)*100); | |
56 | return 0; | |
57 | } | |
58 | ||
59 | static char* value_sanitize(char *value) | |
60 | { | |
61 | while (isspace(*value) || *value == '"') | |
62 | value++; | |
63 | ||
64 | char* end = value + strlen(value) - 1; | |
65 | while (end > value && (isspace(*end) || *end == '"')) | |
66 | end--; | |
67 | ||
68 | *(end + 1) = '\0'; | |
69 | ||
70 | return value; | |
71 | } | |
72 | ||
73 | static bool value_set(char *buf, const char *prefix, | |
74 | map<string, string> *pm, const char *key) | |
75 | { | |
76 | if (strncmp(buf, prefix, strlen(prefix))) { | |
77 | return false; | |
78 | } | |
79 | ||
80 | (*pm)[key] = value_sanitize(buf + strlen(prefix)); | |
81 | return true; | |
82 | } | |
83 | ||
84 | static void file_values_parse(const map<string, string>& kvm, FILE *fp, map<string, string> *m, CephContext *cct) { | |
85 | char buf[512]; | |
86 | while (fgets(buf, sizeof(buf) - 1, fp) != NULL) { | |
87 | for (auto& kv : kvm) { | |
88 | if (value_set(buf, kv.second.c_str(), m, kv.first.c_str())) | |
89 | continue; | |
90 | } | |
91 | } | |
92 | } | |
93 | ||
94 | static bool os_release_parse(map<string, string> *m, CephContext *cct) | |
95 | { | |
11fdf7f2 | 96 | #if defined(__linux__) |
7c673cae FG |
97 | static const map<string, string> kvm = { |
98 | { "distro", "ID=" }, | |
99 | { "distro_description", "PRETTY_NAME=" }, | |
100 | { "distro_version", "VERSION_ID=" } | |
101 | }; | |
102 | ||
103 | FILE *fp = fopen("/etc/os-release", "r"); | |
104 | if (!fp) { | |
105 | int ret = -errno; | |
106 | lderr(cct) << "os_release_parse - failed to open /etc/os-release: " << cpp_strerror(ret) << dendl; | |
107 | return false; | |
108 | } | |
109 | ||
110 | file_values_parse(kvm, fp, m, cct); | |
111 | ||
112 | fclose(fp); | |
11fdf7f2 TL |
113 | #elif defined(__FreeBSD__) |
114 | struct utsname u; | |
115 | int r = uname(&u); | |
116 | if (!r) { | |
117 | m->insert(std::make_pair("distro", u.sysname)); | |
118 | m->insert(std::make_pair("distro_description", u.version)); | |
119 | m->insert(std::make_pair("distro_version", u.release)); | |
120 | } | |
121 | #endif | |
7c673cae FG |
122 | |
123 | return true; | |
124 | } | |
125 | ||
126 | static void distro_detect(map<string, string> *m, CephContext *cct) | |
127 | { | |
128 | if (!os_release_parse(m, cct)) { | |
129 | lderr(cct) << "distro_detect - /etc/os-release is required" << dendl; | |
130 | } | |
131 | ||
94b18763 | 132 | for (const char* rk: {"distro", "distro_description"}) { |
7c673cae FG |
133 | if (m->find(rk) == m->end()) |
134 | lderr(cct) << "distro_detect - can't detect " << rk << dendl; | |
135 | } | |
136 | } | |
137 | ||
11fdf7f2 TL |
138 | int get_cgroup_memory_limit(uint64_t *limit) |
139 | { | |
140 | // /sys/fs/cgroup/memory/memory.limit_in_bytes | |
141 | ||
142 | // the magic value 9223372036854771712 or 0x7ffffffffffff000 | |
143 | // appears to mean no limit. | |
144 | FILE *f = fopen(PROCPREFIX "/sys/fs/cgroup/memory/memory.limit_in_bytes", "r"); | |
145 | if (!f) { | |
146 | return -errno; | |
147 | } | |
148 | char buf[100]; | |
149 | int ret = 0; | |
150 | long long value; | |
151 | char *line = fgets(buf, sizeof(buf), f); | |
152 | if (!line) { | |
153 | ret = -EINVAL; | |
154 | goto out; | |
155 | } | |
156 | if (sscanf(line, "%lld", &value) != 1) { | |
157 | ret = -EINVAL; | |
158 | } | |
159 | if (value == 0x7ffffffffffff000) { | |
160 | *limit = 0; // no limit | |
161 | } else { | |
162 | *limit = value; | |
163 | } | |
164 | out: | |
165 | fclose(f); | |
166 | return ret; | |
167 | } | |
168 | ||
169 | ||
7c673cae FG |
170 | void collect_sys_info(map<string, string> *m, CephContext *cct) |
171 | { | |
172 | // version | |
173 | (*m)["ceph_version"] = pretty_version_to_str(); | |
11fdf7f2 TL |
174 | (*m)["ceph_version_short"] = ceph_version_to_str(); |
175 | (*m)["ceph_release"] = ceph_release_to_str(); | |
7c673cae FG |
176 | |
177 | // kernel info | |
178 | struct utsname u; | |
179 | int r = uname(&u); | |
180 | if (r >= 0) { | |
181 | (*m)["os"] = u.sysname; | |
182 | (*m)["kernel_version"] = u.release; | |
183 | (*m)["kernel_description"] = u.version; | |
184 | (*m)["hostname"] = u.nodename; | |
185 | (*m)["arch"] = u.machine; | |
186 | } | |
187 | ||
91327a77 | 188 | // but wait, am i in a container? |
11fdf7f2 TL |
189 | bool in_container = false; |
190 | ||
91327a77 AA |
191 | if (const char *pod_name = getenv("POD_NAME")) { |
192 | (*m)["pod_name"] = pod_name; | |
11fdf7f2 TL |
193 | in_container = true; |
194 | } | |
195 | if (const char *container_name = getenv("CONTAINER_NAME")) { | |
196 | (*m)["container_name"] = container_name; | |
197 | in_container = true; | |
198 | } | |
199 | if (const char *container_image = getenv("CONTAINER_IMAGE")) { | |
200 | (*m)["container_image"] = container_image; | |
201 | in_container = true; | |
202 | } | |
203 | if (in_container) { | |
91327a77 AA |
204 | if (const char *node_name = getenv("NODE_NAME")) { |
205 | (*m)["container_hostname"] = u.nodename; | |
206 | (*m)["hostname"] = node_name; | |
207 | } | |
11fdf7f2 TL |
208 | if (const char *ns = getenv("POD_NAMESPACE")) { |
209 | (*m)["pod_namespace"] = ns; | |
210 | } | |
91327a77 AA |
211 | } |
212 | ||
11fdf7f2 TL |
213 | #ifdef __APPLE__ |
214 | // memory | |
215 | { | |
216 | uint64_t size; | |
217 | size_t len = sizeof(size); | |
218 | r = sysctlbyname("hw.memsize", &size, &len, NULL, 0); | |
219 | if (r == 0) { | |
220 | (*m)["mem_total_kb"] = std::to_string(size); | |
221 | } | |
222 | } | |
223 | { | |
224 | xsw_usage vmusage; | |
225 | size_t len = sizeof(vmusage); | |
226 | r = sysctlbyname("vm.swapusage", &vmusage, &len, NULL, 0); | |
227 | if (r == 0) { | |
228 | (*m)["mem_swap_kb"] = std::to_string(vmusage.xsu_total); | |
229 | } | |
230 | } | |
231 | // processor | |
232 | { | |
233 | char buf[100]; | |
234 | size_t len = sizeof(buf); | |
235 | r = sysctlbyname("machdep.cpu.brand_string", buf, &len, NULL, 0); | |
236 | if (r == 0) { | |
237 | buf[len - 1] = '\0'; | |
238 | (*m)["cpu"] = buf; | |
239 | } | |
240 | } | |
241 | #else | |
7c673cae FG |
242 | // memory |
243 | FILE *f = fopen(PROCPREFIX "/proc/meminfo", "r"); | |
244 | if (f) { | |
245 | char buf[100]; | |
246 | while (!feof(f)) { | |
247 | char *line = fgets(buf, sizeof(buf), f); | |
248 | if (!line) | |
249 | break; | |
250 | char key[40]; | |
251 | long long value; | |
252 | int r = sscanf(line, "%s %lld", key, &value); | |
253 | if (r == 2) { | |
254 | if (strcmp(key, "MemTotal:") == 0) | |
255 | (*m)["mem_total_kb"] = boost::lexical_cast<string>(value); | |
256 | else if (strcmp(key, "SwapTotal:") == 0) | |
257 | (*m)["mem_swap_kb"] = boost::lexical_cast<string>(value); | |
258 | } | |
259 | } | |
260 | fclose(f); | |
261 | } | |
11fdf7f2 TL |
262 | uint64_t cgroup_limit; |
263 | if (get_cgroup_memory_limit(&cgroup_limit) == 0 && | |
264 | cgroup_limit > 0) { | |
265 | (*m)["mem_cgroup_limit"] = boost::lexical_cast<string>(cgroup_limit); | |
266 | } | |
7c673cae FG |
267 | |
268 | // processor | |
269 | f = fopen(PROCPREFIX "/proc/cpuinfo", "r"); | |
270 | if (f) { | |
271 | char buf[100]; | |
272 | while (!feof(f)) { | |
273 | char *line = fgets(buf, sizeof(buf), f); | |
274 | if (!line) | |
275 | break; | |
276 | if (strncmp(line, "model name", 10) == 0) { | |
277 | char *c = strchr(buf, ':'); | |
278 | c++; | |
279 | while (*c == ' ') | |
280 | ++c; | |
281 | char *nl = c; | |
282 | while (*nl != '\n') | |
283 | ++nl; | |
284 | *nl = '\0'; | |
285 | (*m)["cpu"] = c; | |
286 | break; | |
287 | } | |
288 | } | |
289 | fclose(f); | |
290 | } | |
11fdf7f2 | 291 | #endif |
7c673cae FG |
292 | // distro info |
293 | distro_detect(m, cct); | |
294 | } | |
295 | ||
296 | void dump_services(Formatter* f, const map<string, list<int> >& services, const char* type) | |
297 | { | |
11fdf7f2 | 298 | ceph_assert(f); |
7c673cae FG |
299 | |
300 | f->open_object_section(type); | |
301 | for (map<string, list<int> >::const_iterator host = services.begin(); | |
302 | host != services.end(); ++host) { | |
303 | f->open_array_section(host->first.c_str()); | |
304 | const list<int>& hosted = host->second; | |
305 | for (list<int>::const_iterator s = hosted.begin(); | |
306 | s != hosted.end(); ++s) { | |
307 | f->dump_int(type, *s); | |
308 | } | |
309 | f->close_section(); | |
310 | } | |
311 | f->close_section(); | |
312 | } | |
313 | ||
11fdf7f2 TL |
314 | void dump_services(Formatter* f, const map<string, list<string> >& services, const char* type) |
315 | { | |
316 | ceph_assert(f); | |
317 | ||
318 | f->open_object_section(type); | |
319 | for (const auto& host : services) { | |
320 | f->open_array_section(host.first.c_str()); | |
321 | const auto& hosted = host.second; | |
322 | for (const auto& s : hosted) { | |
323 | f->dump_string(type, s); | |
324 | } | |
325 | f->close_section(); | |
326 | } | |
327 | f->close_section(); | |
328 | } | |
7c673cae FG |
329 | |
330 | // If non-printable characters found then convert bufferlist to | |
331 | // base64 encoded string indicating whether it did. | |
332 | string cleanbin(bufferlist &bl, bool &base64) | |
333 | { | |
334 | bufferlist::iterator it; | |
335 | for (it = bl.begin(); it != bl.end(); ++it) { | |
336 | if (iscntrl(*it)) | |
337 | break; | |
338 | } | |
339 | if (it == bl.end()) { | |
340 | base64 = false; | |
341 | string result(bl.c_str(), bl.length()); | |
342 | return result; | |
343 | } | |
344 | ||
345 | bufferlist b64; | |
346 | bl.encode_base64(b64); | |
347 | string encoded(b64.c_str(), b64.length()); | |
348 | base64 = true; | |
349 | return encoded; | |
350 | } | |
351 | ||
352 | // If non-printable characters found then convert to "Base64:" followed by | |
353 | // base64 encoding | |
354 | string cleanbin(string &str) | |
355 | { | |
356 | bool base64; | |
357 | bufferlist bl; | |
358 | bl.append(str); | |
359 | string result = cleanbin(bl, base64); | |
360 | if (base64) | |
361 | result = "Base64:" + result; | |
362 | return result; | |
363 | } | |
181888fb FG |
364 | |
365 | std::string bytes2str(uint64_t count) { | |
366 | static char s[][2] = {"\0", "k", "M", "G", "T", "P", "E", "\0"}; | |
367 | int i = 0; | |
368 | while (count >= 1024 && *s[i+1]) { | |
369 | count >>= 10; | |
370 | i++; | |
371 | } | |
372 | char str[128]; | |
373 | snprintf(str, sizeof str, "%" PRIu64 "%sB", count, s[i]); | |
374 | return std::string(str); | |
375 | } |