Merge pull request #2308 from tych0/add-logging

fix execute when init in the container already exists
This commit is contained in:
Serge Hallyn 2018-05-09 09:50:31 -05:00 committed by GitHub
commit 0f1b40e259
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 24 additions and 7 deletions

View File

@ -3213,8 +3213,15 @@ static int lxc_execute_bind_init(struct lxc_handler *handler)
/* If init exists in the container, don't bind mount a static one */
p = choose_init(conf->rootfs.mount);
if (p) {
free(p);
return 0;
char *old = p;
p = strdup(old + strlen(conf->rootfs.mount));
free(old);
if (!p)
return -ENOMEM;
INFO("Found existing init at \"%s\"", p);
goto out;
}
ret = snprintf(path, PATH_MAX, SBINDIR "/init.lxc.static");
@ -3247,9 +3254,10 @@ static int lxc_execute_bind_init(struct lxc_handler *handler)
p = strdup(destpath + strlen(conf->rootfs.mount));
if (!p)
return -ENOMEM;
((struct execute_args *)handler->data)->init_path = p;
INFO("Bind mounted lxc.init.static into container at \"%s\"", path);
out:
((struct execute_args *)handler->data)->init_path = p;
return 0;
}

View File

@ -57,12 +57,19 @@ static int execute_start(struct lxc_handler *handler, void* data)
if (lxc_log_has_valid_level())
argc_add += 2;
argv = malloc((argc + argc_add) * sizeof(*argv));
if (!argv)
goto out1;
if (current_config->logfd != -1 || lxc_log_fd != -1)
argc_add += 2;
if (!my_args->init_path)
argv = malloc((argc + argc_add) * sizeof(*argv));
if (!argv) {
SYSERROR("Allocating init args failed");
goto out1;
}
if (!my_args->init_path) {
ERROR("Init path missing");
goto out2;
}
argv[i++] = my_args->init_path;
@ -139,6 +146,7 @@ int lxc_execute(const char *name, char *const argv[], int quiet,
{
struct execute_args args = {.argv = argv, .quiet = quiet};
TRACE("Doing lxc_execute");
handler->conf->is_execute = 1;
return __lxc_start(name, handler, &execute_start_ops, &args, lxcpath,
backgrounded, error_num);

View File

@ -1971,6 +1971,7 @@ int lxc_start(const char *name, char *const argv[], struct lxc_handler *handler,
.argv = argv,
};
TRACE("Doing lxc_start");
return __lxc_start(name, handler, &start_ops, &start_arg, lxcpath, backgrounded, error_num);
}