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a52c1c68 CB |
1 | /* liblxcapi |
2 | * | |
3 | * Copyright © 2017 Christian Brauner <christian.brauner@ubuntu.com>. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2, as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | */ | |
18 | ||
e49c56d6 CB |
19 | #include "config.h" |
20 | ||
a52c1c68 CB |
21 | #include <errno.h> |
22 | #include <fcntl.h> | |
23 | #include <inttypes.h> | |
24 | #include <signal.h> | |
25 | #include <stdio.h> | |
26 | #include <stdlib.h> | |
27 | #include <string.h> | |
28 | #include <unistd.h> | |
29 | #include <sys/stat.h> | |
30 | #include <sys/types.h> | |
31 | #include <sys/wait.h> | |
32 | ||
33 | #include <lxc/lxccontainer.h> | |
34 | ||
35 | #include "lxctest.h" | |
36 | #include "utils.h" | |
37 | ||
38 | int main(int argc, char *argv[]) | |
39 | { | |
23e0d9af CB |
40 | int ret; |
41 | struct stat st_log_file; | |
a52c1c68 CB |
42 | struct lxc_container *c; |
43 | struct lxc_console_log log; | |
44 | bool do_unlink = false; | |
45 | int fret = EXIT_FAILURE; | |
46 | ||
47 | c = lxc_container_new("console-log", NULL); | |
48 | if (!c) { | |
49 | lxc_error("%s", "Failed to create container \"console-log\""); | |
50 | exit(fret); | |
51 | } | |
52 | ||
53 | if (c->is_defined(c)) { | |
54 | lxc_error("%s\n", "Container \"console-log\" is defined"); | |
55 | goto on_error_put; | |
56 | } | |
57 | ||
58 | /* Set console ringbuffer size. */ | |
8a2404e9 CB |
59 | if (!c->set_config_item(c, "lxc.console.buffer.size", "4096")) { |
60 | lxc_error("%s\n", "Failed to set config item \"lxc.console.buffer.size\""); | |
a52c1c68 CB |
61 | goto on_error_put; |
62 | } | |
63 | ||
8a2404e9 | 64 | /* Set console log file. */ |
a52c1c68 CB |
65 | if (!c->set_config_item(c, "lxc.console.logfile", "/tmp/console-log.log")) { |
66 | lxc_error("%s\n", "Failed to set config item \"lxc.console.logfile\""); | |
67 | goto on_error_put; | |
68 | } | |
69 | ||
70 | if (!c->createl(c, "busybox", NULL, NULL, 0, NULL)) { | |
71 | lxc_error("%s\n", "Failed to create busybox container \"console-log\""); | |
72 | goto on_error_put; | |
73 | } | |
74 | ||
75 | if (!c->is_defined(c)) { | |
76 | lxc_error("%s\n", "Container \"console-log\" is not defined"); | |
77 | goto on_error_put; | |
78 | } | |
79 | ||
80 | c->clear_config(c); | |
81 | ||
82 | if (!c->load_config(c, NULL)) { | |
83 | lxc_error("%s\n", "Failed to load config for container \"console-log\""); | |
84 | goto on_error_stop; | |
85 | } | |
86 | ||
87 | if (!c->want_daemonize(c, true)) { | |
88 | lxc_error("%s\n", "Failed to mark container \"console-log\" daemonized"); | |
89 | goto on_error_stop; | |
90 | } | |
91 | ||
92 | if (!c->startl(c, 0, NULL)) { | |
93 | lxc_error("%s\n", "Failed to start container \"console-log\" daemonized"); | |
94 | goto on_error_stop; | |
95 | } | |
96 | ||
97 | /* Leave some time for the container to write something to the log. */ | |
98 | sleep(2); | |
99 | ||
100 | /* Retrieve the contents of the ringbuffer. */ | |
101 | log.clear = false; | |
102 | log.read_max = &(uint64_t){0}; | |
103 | log.read = true; | |
a52c1c68 CB |
104 | |
105 | ret = c->console_log(c, &log); | |
106 | if (ret < 0) { | |
107 | lxc_error("%s - Failed to retrieve console log \n", strerror(-ret)); | |
108 | goto on_error_stop; | |
109 | } else { | |
110 | lxc_debug("Retrieved %" PRIu64 | |
111 | " bytes from console log. Contents are \"%s\"\n", | |
112 | *log.read_max, log.data); | |
94019577 | 113 | free(log.data); |
a52c1c68 CB |
114 | } |
115 | ||
116 | /* Leave another two seconds to ensure boot is finished. */ | |
117 | sleep(2); | |
118 | ||
119 | /* Clear the console ringbuffer. */ | |
120 | log.read_max = &(uint64_t){0}; | |
121 | log.read = false; | |
a52c1c68 CB |
122 | log.clear = true; |
123 | ret = c->console_log(c, &log); | |
124 | if (ret < 0) { | |
125 | if (ret != -ENODATA) { | |
126 | lxc_error("%s - Failed to retrieve console log\n", strerror(-ret)); | |
127 | goto on_error_stop; | |
128 | } | |
129 | } | |
130 | ||
131 | if (!c->stop(c)) { | |
132 | lxc_error("%s\n", "Failed to stop container \"console-log\""); | |
133 | goto on_error_stop; | |
134 | } | |
135 | ||
5894cf31 SH |
136 | if (!c->wait(c, "STOPPED", 5)) { |
137 | lxc_error("%s\n", "Failed waiting for container \"console-log\" to stop"); | |
138 | goto on_error_stop; | |
139 | } | |
140 | ||
8a2404e9 CB |
141 | c->clear_config(c); |
142 | ||
143 | if (!c->load_config(c, NULL)) { | |
144 | lxc_error("%s\n", "Failed to load config for container \"console-log\""); | |
145 | goto on_error_stop; | |
146 | } | |
147 | ||
a52c1c68 CB |
148 | if (!c->startl(c, 0, NULL)) { |
149 | lxc_error("%s\n", "Failed to start container \"console-log\" daemonized"); | |
150 | goto on_error_destroy; | |
151 | } | |
a52c1c68 CB |
152 | |
153 | /* Leave some time for the container to write something to the log. */ | |
154 | sleep(2); | |
155 | ||
8a2404e9 CB |
156 | ret = stat("/tmp/console-log.log", &st_log_file); |
157 | if (ret < 0) { | |
158 | lxc_error("%s - Failed to stat on-disk logfile\n", strerror(errno)); | |
159 | goto on_error_stop; | |
160 | } | |
161 | ||
162 | /* Turn on rotation for the console log file. */ | |
163 | if (!c->set_config_item(c, "lxc.console.rotate", "1")) { | |
164 | lxc_error("%s\n", "Failed to set config item \"lxc.console.rotate\""); | |
165 | goto on_error_put; | |
166 | } | |
167 | ||
168 | if (!c->stop(c)) { | |
169 | lxc_error("%s\n", "Failed to stop container \"console-log\""); | |
170 | goto on_error_stop; | |
171 | } | |
172 | ||
5894cf31 SH |
173 | if (!c->wait(c, "STOPPED", 5)) { |
174 | lxc_error("%s\n", "Failed waiting for container \"console-log\" to stop"); | |
175 | goto on_error_stop; | |
176 | } | |
177 | ||
8a2404e9 CB |
178 | if (!c->startl(c, 0, NULL)) { |
179 | lxc_error("%s\n", "Failed to start container \"console-log\" daemonized"); | |
180 | goto on_error_destroy; | |
181 | } | |
182 | ||
183 | /* Leave some time for the container to write something to the log. */ | |
184 | sleep(2); | |
185 | ||
a52c1c68 CB |
186 | fret = 0; |
187 | ||
188 | on_error_stop: | |
189 | if (c->is_running(c) && !c->stop(c)) | |
190 | lxc_error("%s\n", "Failed to stop container \"console-log\""); | |
191 | ||
192 | on_error_destroy: | |
193 | if (!c->destroy(c)) | |
194 | lxc_error("%s\n", "Failed to destroy container \"console-log\""); | |
195 | ||
196 | on_error_put: | |
197 | lxc_container_put(c); | |
198 | if (do_unlink) { | |
199 | ret = unlink("/tmp/console-log.log"); | |
200 | if (ret < 0) | |
8a2404e9 CB |
201 | lxc_error("%s - Failed to remove container log file\n", |
202 | strerror(errno)); | |
203 | ||
204 | ret = unlink("/tmp/console-log.log.1"); | |
205 | if (ret < 0) | |
206 | lxc_error("%s - Failed to remove container log file\n", | |
207 | strerror(errno)); | |
a52c1c68 CB |
208 | } |
209 | exit(fret); | |
210 | } |