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nspawn: make use of the devices cgroup controller by default

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This commit is contained in:
Lennart Poettering
2014-02-24 03:38:58 +01:00
parent 9c96019d31
commit 9457ac5b4e
1 changed files with 71 additions and 7 deletions
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src/nspawn/nspawn.c
+71 -7
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@@ -1188,22 +1188,86 @@ static int register_machine(pid_t pid) {
(uint32_t) pid,
strempty(arg_directory));
} else {
r = sd_bus_call_method(
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"CreateMachine",
&error,
NULL,
"sayssusa(sv)",
"CreateMachine");
if (r < 0) {
log_error("Failed to create message: %s", strerror(-r));
return r;
}
r = sd_bus_message_append(
m,
"sayssus",
arg_machine,
SD_BUS_MESSAGE_APPEND_ID128(arg_uuid),
"nspawn",
"container",
(uint32_t) pid,
strempty(arg_directory),
!isempty(arg_slice), "Slice", "s", arg_slice);
strempty(arg_directory));
if (r < 0) {
log_error("Failed to append message arguments: %s", strerror(-r));
return r;
}
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0) {
log_error("Failed to open container: %s", strerror(-r));
return r;
}
if (!isempty(arg_slice)) {
r = sd_bus_message_append(m, "(sv)", "Slice", "s", arg_slice);
if (r < 0) {
log_error("Failed to append slice: %s", strerror(-r));
return r;
}
}
r = sd_bus_message_append(m, "(sv)", "DevicePolicy", "s", "strict");
if (r < 0) {
log_error("Failed to add device policy: %s", strerror(-r));
return r;
}
r = sd_bus_message_append(m, "(sv)", "DeviceAllow", "a(ss)", 8,
/* Allow the container to
* access and create the API
* device nodes, so that
* PrivateDevices= in the
* container can work
* fine */
"/dev/null", "rwm",
"/dev/zero", "rwm",
"/dev/full", "rwm",
"/dev/random", "rwm",
"/dev/urandom", "rwm",
"/dev/tty", "rwm",
/* Allow the container
* access to ptys. However,
* do not permit the
* container to ever create
* these device nodes. */
"/dev/pts/ptmx", "rw",
"char-pts", "rw");
if (r < 0) {
log_error("Failed to add device whitelist: %s", strerror(-r));
return r;
}
r = sd_bus_message_close_container(m);
if (r < 0) {
log_error("Failed to close container: %s", strerror(-r));
return r;
}
r = sd_bus_call(bus, m, 0, &error, NULL);
}
if (r < 0) {