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authorLennart Poettering <lennart@poettering.net>2013-07-11 00:27:54 +0200
committerLennart Poettering <lennart@poettering.net>2013-07-11 00:32:32 +0200
commitaa1936ea1a89c2bb968ba33e3274898a4eeae771 (patch)
treeae629b16f204757e7c9570aafb4d2b9533075b80 /src/machine/machinectl.c
parent8577e67245fc5d38bfdc32349388769895202bc4 (diff)
loginctl: restore cgroup display for status output
Same for machinectl.
Diffstat (limited to 'src/machine/machinectl.c')
-rw-r--r--src/machine/machinectl.c105
1 files changed, 75 insertions, 30 deletions
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index 34bbe36109..cd640e76ae 100644
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -34,6 +34,7 @@
#include "dbus-common.h"
#include "build.h"
#include "strv.h"
+#include "unit-name.h"
#include "cgroup-show.h"
#include "spawn-polkit-agent.h"
@@ -124,19 +125,84 @@ static int list_machines(DBusConnection *bus, char **args, unsigned n) {
return 0;
}
+static int show_scope_cgroup(DBusConnection *bus, const char *unit) {
+ const char *interface = "org.freedesktop.systemd1.Scope";
+ const char *property = "ControlGroup";
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ _cleanup_free_ char *path = NULL;
+ DBusMessageIter iter, sub;
+ const char *cgroup;
+ DBusError error;
+ int r, output_flags;
+ unsigned c;
+
+ assert(bus);
+ assert(unit);
+
+ if (arg_transport == TRANSPORT_SSH)
+ return 0;
+
+ path = unit_dbus_path_from_name(unit);
+ if (!path)
+ return log_oom();
+
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "Get",
+ &reply,
+ &error,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_STRING, &property,
+ DBUS_TYPE_INVALID);
+ if (r < 0) {
+ log_error("Failed to query ControlGroup: %s", bus_error(&error, r));
+ dbus_error_free(&error);
+ return r;
+ }
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ return -EINVAL;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply.");
+ return -EINVAL;
+ }
+
+ dbus_message_iter_get_basic(&sub, &cgroup);
+
+ output_flags =
+ arg_all * OUTPUT_SHOW_ALL |
+ arg_full * OUTPUT_FULL_WIDTH;
+
+ c = columns();
+ if (c > 18)
+ c -= 18;
+ else
+ c = 0;
+
+ show_cgroup_by_path(cgroup, "\t\t ", c, false, output_flags);
+ return 0;
+}
+
typedef struct MachineStatusInfo {
const char *name;
sd_id128_t id;
- const char *default_control_group;
const char *class;
const char *service;
- const char *slice;
+ const char *scope;
const char *root_directory;
pid_t leader;
usec_t timestamp;
} MachineStatusInfo;
-static void print_machine_status_info(MachineStatusInfo *i) {
+static void print_machine_status_info(DBusConnection *bus, MachineStatusInfo *i) {
char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
char since2[FORMAT_TIMESTAMP_MAX], *s2;
assert(i);
@@ -178,31 +244,12 @@ static void print_machine_status_info(MachineStatusInfo *i) {
} else if (i->class)
printf("\t Class: %s\n", i->class);
- if (i->slice)
- printf("\t Slice: %s\n", i->slice);
if (i->root_directory)
printf("\t Root: %s\n", i->root_directory);
- if (i->default_control_group) {
- unsigned c;
- int output_flags =
- arg_all * OUTPUT_SHOW_ALL |
- arg_full * OUTPUT_FULL_WIDTH;
-
- printf("\t CGroup: %s\n", i->default_control_group);
-
- if (arg_transport != TRANSPORT_SSH) {
- c = columns();
- if (c > 18)
- c -= 18;
- else
- c = 0;
-
- show_cgroup_and_extra_by_spec(i->default_control_group,
- "\t\t ", c, false, &i->leader,
- i->leader > 0 ? 1 : 0,
- output_flags);
- }
+ if (i->scope) {
+ printf("\t Unit: %s\n", i->scope);
+ show_scope_cgroup(bus, i->scope);
}
}
@@ -221,14 +268,12 @@ static int status_property_machine(const char *name, DBusMessageIter *iter, Mach
if (!isempty(s)) {
if (streq(name, "Name"))
i->name = s;
- else if (streq(name, "DefaultControlGroup"))
- i->default_control_group = s;
else if (streq(name, "Class"))
i->class = s;
else if (streq(name, "Service"))
i->service = s;
- else if (streq(name, "Slice"))
- i->slice = s;
+ else if (streq(name, "Scope"))
+ i->scope = s;
else if (streq(name, "RootDirectory"))
i->root_directory = s;
}
@@ -373,7 +418,7 @@ static int show_one(const char *verb, DBusConnection *bus, const char *path, boo
}
if (!show_properties)
- print_machine_status_info(&machine_info);
+ print_machine_status_info(bus, &machine_info);
r = 0;