[LXC_CMD_GET_NAME] = "get_name",
[LXC_CMD_GET_LXCPATH] = "get_lxcpath",
[LXC_CMD_ADD_STATE_CLIENT] = "add_state_client",
- [LXC_CMD_SET_CONFIG_ITEM] = "set_config_item",
+ [LXC_CMD_NOOP] = "noop",
[LXC_CMD_CONSOLE_LOG] = "console_log",
};
return lxc_cmd_rsp_send(fd, &rsp);
}
-/*
- * lxc_cmd_set_config_item: Get config item the running container
- *
- * @name : name of container to connect to
- * @item : the configuration item to set (ex: lxc.net.0.veth.pair)
- * @value : the value to set (ex: "eth0")
- * @lxcpath : the lxcpath in which the container is running
- *
- * Returns 0 on success, negative errno on failure.
- */
-int lxc_cmd_set_config_item(const char *name, const char *item,
- const char *value, const char *lxcpath)
-{
- int ret, stopped;
- struct lxc_cmd_set_config_item_req_data data;
- struct lxc_cmd_rr cmd;
-
- /* pre-validate request
- Currently we only support live-patching network configurations.
- */
- if (strncmp(item, "lxc.net.", 8))
- return -EINVAL;
-
- data.item = item;
- data.value = (void *)value;
-
- cmd.req.cmd = LXC_CMD_SET_CONFIG_ITEM;
- cmd.req.data = &data;
- cmd.req.datalen = sizeof(data);
-
- ret = lxc_cmd(name, &cmd, &stopped, lxcpath, NULL);
- if (ret < 0)
- return ret;
-
- return cmd.rsp.ret;
-}
-
-static int lxc_cmd_set_config_item_callback(int fd, struct lxc_cmd_req *req,
- struct lxc_handler *handler)
-{
- const char *key, *value;
- struct lxc_cmd_rsp rsp;
- const struct lxc_cmd_set_config_item_req_data *data;
-
- data = req->data;
- key = data->item;
- value = data->value;
-
- memset(&rsp, 0, sizeof(rsp));
- rsp.ret = lxc_set_config_item_locked(handler->conf, key, value);
-
- return lxc_cmd_rsp_send(fd, &rsp);
-}
-
/*
* lxc_cmd_get_state: Get current state of the container
*
return lxc_cmd_rsp_send(fd, &rsp);
}
+static int lxc_cmd_noop_callback(int fd, struct lxc_cmd_req *req,
+ struct lxc_handler *handler)
+{
+ return 0;
+}
+
static int lxc_cmd_process(int fd, struct lxc_cmd_req *req,
struct lxc_handler *handler)
{
[LXC_CMD_GET_NAME] = lxc_cmd_get_name_callback,
[LXC_CMD_GET_LXCPATH] = lxc_cmd_get_lxcpath_callback,
[LXC_CMD_ADD_STATE_CLIENT] = lxc_cmd_add_state_client_callback,
- [LXC_CMD_SET_CONFIG_ITEM] = lxc_cmd_set_config_item_callback,
+ [LXC_CMD_NOOP] = lxc_cmd_noop_callback,
[LXC_CMD_CONSOLE_LOG] = lxc_cmd_console_log_callback,
};
+++ /dev/null
-/* liblxcapi
- *
- * Copyright © 2017 Christian Brauner <christian.brauner@ubuntu.com>.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <errno.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-
-#include <lxc/lxccontainer.h>
-
-#include "lxctest.h"
-
-int main(int argc, char *argv[])
-{
- char *value;
- struct lxc_container *c;
- int ret = EXIT_FAILURE;
-
- c = lxc_container_new("livepatch", NULL);
- if (!c) {
- lxc_error("%s", "Failed to create container \"livepatch\"");
- exit(ret);
- }
-
- if (c->is_defined(c)) {
- lxc_error("%s\n", "Container \"livepatch\" is defined");
- goto on_error_put;
- }
-
- if (!c->set_config_item(c, "lxc.net.0.type", "veth")) {
- lxc_error("%s\n", "Failed to set network item \"lxc.net.0.type\"");
- goto on_error_put;
- }
-
- if (!c->set_config_item(c, "lxc.net.0.link", "lxcbr0")) {
- lxc_error("%s\n", "Failed to set network item \"lxc.net.0.link\"");
- goto on_error_put;
- }
-
- if (!c->set_config_item(c, "lxc.net.0.flags", "up")) {
- lxc_error("%s\n", "Failed to set network item \"lxc.net.0.flags\"");
- goto on_error_put;
- }
-
- if (!c->set_config_item(c, "lxc.net.0.name", "eth0")) {
- lxc_error("%s\n", "Failed to set network item \"lxc.net.0.name\"");
- goto on_error_put;
- }
-
- if (!c->createl(c, "busybox", NULL, NULL, 0, NULL)) {
- lxc_error("%s\n", "Failed to create busybox container \"livepatch\"");
- goto on_error_put;
- }
-
- if (!c->is_defined(c)) {
- lxc_error("%s\n", "Container \"livepatch\" is not defined");
- goto on_error_put;
- }
-
- c->clear_config(c);
-
- if (!c->load_config(c, NULL)) {
- lxc_error("%s\n", "Failed to load config for container \"livepatch\"");
- goto on_error_stop;
- }
-
- if (!c->want_daemonize(c, true)) {
- lxc_error("%s\n", "Failed to mark container \"livepatch\" daemonized");
- goto on_error_stop;
- }
-
- if (!c->startl(c, 0, NULL)) {
- lxc_error("%s\n", "Failed to start container \"livepatch\" daemonized");
- goto on_error_stop;
- }
-
- /* Test whether the current value is ok. */
- value = c->get_running_config_item(c, "lxc.net.0.name");
- if (!value) {
- lxc_error("%s\n", "Failed to retrieve running config item \"lxc.net.0.name\"");
- goto on_error_stop;
- }
-
- if (strcmp(value, "eth0")) {
- lxc_error("Retrieved unexpected value for config item "
- "\"lxc.net.0.name\": eth0 != %s", value);
- free(value);
- goto on_error_stop;
- }
- free(value);
-
- /* Change current in-memory value. */
- if (!c->set_running_config_item(c, "lxc.net.0.name", "blabla")) {
- lxc_error("%s\n", "Failed to set running config item "
- "\"lxc.net.0.name\" to \"blabla\"");
- goto on_error_stop;
- }
-
- /* Verify change. */
- value = c->get_running_config_item(c, "lxc.net.0.name");
- if (!value) {
- lxc_error("%s\n", "Failed to retrieve running config item \"lxc.net.0.name\"");
- goto on_error_stop;
- }
-
- if (strcmp(value, "blabla")) {
- lxc_error("Retrieved unexpected value for config item "
- "\"lxc.net.0.name\": blabla != %s", value);
- free(value);
- goto on_error_stop;
- }
- free(value);
-
- /* Change current in-memory value. */
- if (!c->set_running_config_item(c, "lxc.net.0.name", "eth0")) {
- lxc_error("%s\n", "Failed to set running config item "
- "\"lxc.net.0.name\" to \"eth0\"");
- goto on_error_stop;
- }
-
- /* Add new in-memory value. */
- if (!c->set_running_config_item(c, "lxc.net.1.type", "veth")) {
- lxc_error("%s\n", "Failed to set running config item "
- "\"lxc.net.1.type\" to \"veth\"");
- goto on_error_stop;
- }
-
- /* Verify change. */
- value = c->get_running_config_item(c, "lxc.net.1.type");
- if (!value) {
- lxc_error("%s\n", "Failed to retrieve running config item \"lxc.net.1.type\"");
- goto on_error_stop;
- }
-
- if (strcmp(value, "veth")) {
- lxc_error("Retrieved unexpected value for config item "
- "\"lxc.net.1.type\": veth != %s", value);
- free(value);
- goto on_error_stop;
- }
- free(value);
-
- /* Add new in-memory value. */
- if (!c->set_running_config_item(c, "lxc.net.1.flags", "up")) {
- lxc_error("%s\n", "Failed to set running config item "
- "\"lxc.net.1.flags\" to \"up\"");
- goto on_error_stop;
- }
-
- /* Verify change. */
- value = c->get_running_config_item(c, "lxc.net.1.flags");
- if (!value) {
- lxc_error("%s\n", "Failed to retrieve running config item \"lxc.net.1.flags\"");
- goto on_error_stop;
- }
-
- if (strcmp(value, "up")) {
- lxc_error("Retrieved unexpected value for config item "
- "\"lxc.net.1.flags\": up != %s", value);
- free(value);
- goto on_error_stop;
- }
- free(value);
-
- /* Add new in-memory value. */
- if (!c->set_running_config_item(c, "lxc.net.1.link", "lxcbr0")) {
- lxc_error("%s\n", "Failed to set running config item "
- "\"lxc.net.1.link\" to \"lxcbr0\"");
- goto on_error_stop;
- }
-
- /* Verify change. */
- value = c->get_running_config_item(c, "lxc.net.1.link");
- if (!value) {
- lxc_error("%s\n", "Failed to retrieve running config item \"lxc.net.1.link\"");
- goto on_error_stop;
- }
-
- if (strcmp(value, "lxcbr0")) {
- lxc_error("Retrieved unexpected value for config item "
- "\"lxc.net.1.link\": lxcbr0 != %s", value);
- free(value);
- goto on_error_stop;
- }
- free(value);
-
- if (!c->reboot2(c, -1)) {
- lxc_error("%s", "Failed to create container \"livepatch\"");
- goto on_error_stop;
- }
-
- if (!c->is_running(c)) {
- lxc_error("%s\n", "Failed to reboot container \"livepatch\"");
- goto on_error_destroy;
- }
-
- /* Remove in-memory value. */
- if (!c->set_running_config_item(c, "lxc.net.1.name", "eth1")) {
- lxc_error("%s\n", "Failed to clear running config item "
- "\"lxc.net.1.name\"");
- goto on_error_stop;
- }
-
- if (!c->stop(c)) {
- lxc_error("%s\n", "Failed to stop container \"livepatch\"");
- goto on_error_stop;
- }
-
- if (!c->startl(c, 0, NULL)) {
- lxc_error("%s\n", "Failed to start container \"livepatch\" daemonized");
- goto on_error_destroy;
- }
-
- /* Remove in-memory value. */
- if (!c->set_running_config_item(c, "lxc.net.1.mtu", "3000")) {
- lxc_error("%s\n", "Failed to set running config item "
- "\"lxc.net.1.mtu\"");
- goto on_error_stop;
- }
-
- ret = 0;
-
-on_error_stop:
- if (c->is_running(c) && !c->stop(c))
- lxc_error("%s\n", "Failed to stop container \"livepatch\"");
-
-on_error_destroy:
- if (!c->destroy(c))
- lxc_error("%s\n", "Failed to destroy container \"livepatch\"");
-
-on_error_put:
- lxc_container_put(c);
- exit(ret);
-}
projects / thirdparty / lxc.git / commitdiff
