systemadm: implement basic control UI systemadm

This commit is contained in:
Lennart Poettering 2010-02-03 12:39:12 +01:00
parent b548631afc
commit 501c7d0b77
5 changed files with 577 additions and 43 deletions

3
.gitignore vendored
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@ -5,3 +5,6 @@ test-job-type
systemd-logger
systemctl
systemctl.c
systemd-interfaces.c
systemadm
systemadm.c

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@ -29,7 +29,7 @@ COMMON= \
dbus-unit.o \
dbus-job.o
all: systemd test-engine test-job-type systemd-logger systemctl
all: systemd test-engine test-job-type systemd-logger systemctl systemadm
systemd: main.o $(COMMON)
$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
@ -44,7 +44,10 @@ test-job-type: test-job-type.o $(COMMON)
$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
systemctl: systemctl.vala
valac --save-temps systemctl.vala --pkg=dbus-glib-1 --pkg=posix
valac -g --save-temps systemctl.vala systemd-interfaces.vala --pkg=dbus-glib-1 --pkg=posix
systemadm: systemadm.vala
valac -g --save-temps systemadm.vala systemd-interfaces.vala --pkg=dbus-glib-1 --pkg=posix --pkg gee-1.0 --pkg gtk+-2.0
clean:
rm -f *.o systemd test-engine systemctl
rm -f *.o systemd test-engine systemctl systemadm

438
systemadm.vala Normal file
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@ -0,0 +1,438 @@
using Gtk;
using GLib;
using DBus;
using Pango;
public class LeftLabel : Label {
public LeftLabel(string? text = null) {
if (text != null)
set_markup("<b>%s</b>".printf(text));
set_alignment(1, 0);
set_padding(6, 0);
}
}
public class RightLabel : Label {
public RightLabel(string? text = null) {
set_text_or_na(text);
set_alignment(0, 1);
set_ellipsize(EllipsizeMode.START);
set_selectable(true);
}
public void set_text_or_na(string? text = null) {
if (text == null || text == "")
set_markup("<i>n/a</i>");
else
set_text(text);
}
}
public class MainWindow : Window {
private TreeView unit_view;
private TreeView job_view;
private ListStore unit_model;
private ListStore job_model;
private Button start_button;
private Button stop_button;
private Button restart_button;
private Button reload_button;
private Button cancel_button;
private Connection bus;
private Manager manager;
private RightLabel unit_id_label;
private RightLabel unit_description_label;
private RightLabel unit_load_state_label;
private RightLabel unit_active_state_label;
private RightLabel unit_load_path_label;
private RightLabel unit_active_enter_timestamp_label;
private RightLabel unit_active_exit_timestamp_label;
private RightLabel unit_can_start_label;
private RightLabel unit_can_reload_label;
private RightLabel job_id_label;
private RightLabel job_state_label;
private RightLabel job_type_label;
public MainWindow() throws DBus.Error {
title = "systemdadm";
position = WindowPosition.CENTER;
set_default_size(1000, 700);
set_border_width(12);
destroy.connect(Gtk.main_quit);
Notebook notebook = new Notebook();
add(notebook);
Box unit_vbox = new VBox(false, 6);
notebook.append_page(unit_vbox, new Label("Units"));
unit_vbox.set_border_width(12);
Box job_vbox = new VBox(false, 6);
notebook.append_page(job_vbox, new Label("Jobs"));
job_vbox.set_border_width(12);
unit_model = new ListStore(6, typeof(string), typeof(string), typeof(string), typeof(string), typeof(string), typeof(string), typeof(string));
job_model = new ListStore(5, typeof(string), typeof(string), typeof(string), typeof(string), typeof(string), typeof(string));
unit_view = new TreeView.with_model(unit_model);
job_view = new TreeView.with_model(job_model);
unit_view.cursor_changed.connect(unit_changed);
job_view.cursor_changed.connect(job_changed);
unit_view.insert_column_with_attributes(-1, "Unit", new CellRendererText(), "text", 0);
unit_view.insert_column_with_attributes(-1, "Description", new CellRendererText(), "text", 1);
unit_view.insert_column_with_attributes(-1, "Load State", new CellRendererText(), "text", 2);
unit_view.insert_column_with_attributes(-1, "Active State", new CellRendererText(), "text", 3);
unit_view.insert_column_with_attributes(-1, "Job", new CellRendererText(), "text", 4);
job_view.insert_column_with_attributes(-1, "Job", new CellRendererText(), "text", 0);
job_view.insert_column_with_attributes(-1, "Unit", new CellRendererText(), "text", 1);
job_view.insert_column_with_attributes(-1, "Type", new CellRendererText(), "text", 2);
job_view.insert_column_with_attributes(-1, "State", new CellRendererText(), "text", 3);
ScrolledWindow scroll = new ScrolledWindow(null, null);
scroll.set_policy(PolicyType.AUTOMATIC, PolicyType.AUTOMATIC);
scroll.set_shadow_type(ShadowType.IN);
scroll.add(unit_view);
unit_vbox.pack_start(scroll, true, true, 0);
scroll = new ScrolledWindow(null, null);
scroll.set_policy(PolicyType.AUTOMATIC, PolicyType.AUTOMATIC);
scroll.set_shadow_type(ShadowType.IN);
scroll.add(job_view);
job_vbox.pack_start(scroll, true, true, 0);
unit_id_label = new RightLabel();
unit_description_label = new RightLabel();
unit_load_state_label = new RightLabel();
unit_active_state_label = new RightLabel();
unit_load_path_label = new RightLabel();
unit_active_enter_timestamp_label = new RightLabel();
unit_active_exit_timestamp_label = new RightLabel();
unit_can_start_label = new RightLabel();
unit_can_reload_label = new RightLabel();
job_id_label = new RightLabel();
job_state_label = new RightLabel();
job_type_label = new RightLabel();
Table unit_table = new Table(9, 2, false);
unit_table.set_row_spacings(6);
unit_table.set_border_width(12);
unit_vbox.pack_start(unit_table, false, true, 0);
Table job_table = new Table(2, 2, false);
job_table.set_row_spacings(6);
job_table.set_border_width(12);
job_vbox.pack_start(job_table, false, true, 0);
unit_table.attach(new LeftLabel("Id:"), 0, 1, 0, 1, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(unit_id_label, 1, 2, 0, 1, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(new LeftLabel("Description:"), 0, 1, 1, 2, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(unit_description_label, 1, 2, 1, 2, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(new LeftLabel("Load State:"), 0, 1, 2, 3, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(unit_load_state_label, 1, 2, 2, 3, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(new LeftLabel("Active State:"), 0, 1, 3, 4, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(unit_active_state_label, 1, 2, 3, 4, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(new LeftLabel("Load Path:"), 0, 1, 4, 5, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(unit_load_path_label, 1, 2, 4, 5, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(new LeftLabel("Active Enter Timestamp:"), 0, 1, 5, 6, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(unit_active_enter_timestamp_label, 1, 2, 5, 6, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(new LeftLabel("Active Exit Timestamp:"), 0, 1, 6, 7, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(unit_active_exit_timestamp_label, 1, 2, 6, 7, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(new LeftLabel("Can Start/Stop:"), 0, 1, 7, 8, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(unit_can_start_label, 1, 2, 7, 8, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(new LeftLabel("Can Reload:"), 0, 1, 8, 9, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
unit_table.attach(unit_can_reload_label, 1, 2, 8, 9, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
job_table.attach(new LeftLabel("Id:"), 0, 1, 0, 1, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
job_table.attach(job_id_label, 1, 2, 0, 1, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
job_table.attach(new LeftLabel("State:"), 0, 1, 1, 2, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
job_table.attach(job_state_label, 1, 2, 1, 2, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
job_table.attach(new LeftLabel("Type:"), 0, 1, 2, 3, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
job_table.attach(job_type_label, 1, 2, 2, 3, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
ButtonBox bbox = new HButtonBox();
bbox.set_layout(ButtonBoxStyle.START);
bbox.set_spacing(6);
unit_vbox.pack_start(bbox, false, true, 0);
start_button = new Button.with_mnemonic("_Start");
stop_button = new Button.with_mnemonic("Sto_p");
reload_button = new Button.with_mnemonic("_Reload");
restart_button = new Button.with_mnemonic("Res_tart");
start_button.clicked.connect(on_start);
stop_button.clicked.connect(on_stop);
reload_button.clicked.connect(on_reload);
restart_button.clicked.connect(on_restart);
bbox.pack_start(start_button, false, true, 0);
bbox.pack_start(stop_button, false, true, 0);
bbox.pack_start(restart_button, false, true, 0);
bbox.pack_start(reload_button, false, true, 0);
bbox = new HButtonBox();
bbox.set_layout(ButtonBoxStyle.START);
bbox.set_spacing(6);
job_vbox.pack_start(bbox, false, true, 0);
cancel_button = new Button.with_mnemonic("_Cancel");
cancel_button.clicked.connect(on_cancel);
bbox.pack_start(cancel_button, false, true, 0);
bus = Bus.get(BusType.SESSION);
manager = bus.get_object (
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1") as Manager;
clear_unit();
populate_unit_model();
populate_job_model();
}
public void populate_unit_model() throws DBus.Error {
unit_model.clear();
var list = manager.list_units();
foreach (var i in list) {
TreeIter iter;
unit_model.append(out iter);
unit_model.set(iter,
0, i.id,
1, i.description,
2, i.load_state,
3, i.active_state,
4, i.job_type != "" ? "→ %s".printf(i.job_type) : "",
5, i.unit_path);
}
}
public void populate_job_model() throws DBus.Error {
job_model.clear();
var list = manager.list_jobs();
foreach (var i in list) {
TreeIter iter;
job_model.append(out iter);
job_model.set(iter,
0, "%u".printf(i.id),
1, i.name,
2, "→ %s".printf(i.type),
3, i.state,
4, i.job_path);
}
}
public Unit? get_current_unit() {
TreePath p;
unit_view.get_cursor(out p, null);
if (p == null)
return null;
TreeIter iter;
string path;
unit_model.get_iter(out iter, p);
unit_model.get(iter, 5, out path);
return bus.get_object (
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Unit") as Unit;
}
public void unit_changed() {
Unit u = get_current_unit();
if (u == null)
clear_unit();
else
show_unit(u);
}
public void clear_unit() {
start_button.set_sensitive(false);
stop_button.set_sensitive(false);
reload_button.set_sensitive(false);
restart_button.set_sensitive(false);
unit_id_label.set_text_or_na();
unit_description_label.set_text_or_na();
unit_load_state_label.set_text_or_na();
unit_active_state_label.set_text_or_na();
unit_load_path_label.set_text_or_na();
unit_active_enter_timestamp_label.set_text_or_na();
unit_active_exit_timestamp_label.set_text_or_na();
unit_can_reload_label.set_text_or_na();
unit_can_start_label.set_text_or_na();
}
public void show_unit(Unit unit) {
unit_id_label.set_text_or_na(unit.id);
unit_description_label.set_text_or_na(unit.description);
unit_load_state_label.set_text_or_na(unit.load_state);
unit_active_state_label.set_text_or_na(unit.active_state);
unit_load_path_label.set_text_or_na(unit.load_path);
uint64 t = unit.active_enter_timestamp;
if (t > 0) {
TimeVal tv = { (long) (t / 1000000), (long) (t % 1000000) };
unit_active_enter_timestamp_label.set_text_or_na(tv.to_iso8601());
} else
unit_active_enter_timestamp_label.set_text_or_na();
t = unit.active_exit_timestamp;
if (t > 0) {
TimeVal tv = { (long) (t / 1000000), (long) (t % 1000000) };
unit_active_exit_timestamp_label.set_text_or_na(tv.to_iso8601());
} else
unit_active_exit_timestamp_label.set_text_or_na();
bool b = unit.can_start;
start_button.set_sensitive(b);
stop_button.set_sensitive(b);
restart_button.set_sensitive(b);
unit_can_start_label.set_text_or_na(b ? "Yes" : "No");
b = unit.can_reload;
reload_button.set_sensitive(b);
unit_can_reload_label.set_text_or_na(b ? "Yes" : "No");
}
public Job? get_current_job() {
TreePath p;
job_view.get_cursor(out p, null);
if (p == null)
return null;
TreeIter iter;
string path;
job_model.get_iter(out iter, p);
job_model.get(iter, 4, out path);
return bus.get_object (
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Job") as Job;
}
public void job_changed() {
Job j = get_current_job();
if (j == null)
clear_job();
else
show_job(j);
}
public void clear_job() {
job_id_label.set_text_or_na();
job_state_label.set_text_or_na();
job_type_label.set_text_or_na();
}
public void show_job(Job job) {
job_id_label.set_text_or_na("%u".printf(job.id));
job_state_label.set_text_or_na(job.state);
job_type_label.set_text_or_na(job.job_type);
}
public void on_start() {
Unit u = get_current_unit();
if (u == null)
return;
try {
u.start("replace");
} catch (DBus.Error e) {
message("%s", e.message);
}
}
public void on_stop() {
Unit u = get_current_unit();
if (u == null)
return;
try {
u.stop("replace");
} catch (DBus.Error e) {
message("%s", e.message);
}
}
public void on_reload() {
Unit u = get_current_unit();
if (u == null)
return;
try {
u.reload("replace");
} catch (DBus.Error e) {
message("%s", e.message);
}
}
public void on_restart() {
Unit u = get_current_unit();
if (u == null)
return;
try {
u.restart("replace");
} catch (DBus.Error e) {
message("%s", e.message);
}
}
public void on_cancel() {
Job j = get_current_job();
if (j == null)
return;
try {
j.cancel();
} catch (DBus.Error e) {
message("%s", e.message);
}
}
}
int main (string[] args) {
Gtk.init(ref args);
try {
MainWindow window = new MainWindow();
window.show_all();
} catch (DBus.Error e) {
message("%s", e.message);
}
Gtk.main();
return 0;
}

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@ -1,45 +1,15 @@
using DBus;
using GLib;
[DBus (name = "org.freedesktop.systemd1")]
public interface Manager : DBus.Object {
public struct UnitInfo {
string id;
string description;
string load_state;
string active_state;
ObjectPath unit_path;
uint32 job_id;
string job_type;
ObjectPath job_path;
}
public struct JobInfo {
uint32 id;
string name;
string type;
string state;
ObjectPath job_path;
ObjectPath unit_path;
}
public abstract UnitInfo[] ListUnits() throws DBus.Error;
public abstract JobInfo[] ListJobs() throws DBus.Error;
public abstract ObjectPath LoadUnit(string name) throws DBus.Error;
public abstract void ClearJobs() throws DBus.Error;
}
static string type = null;
static bool all = false;
static bool replace = false;
public static int job_info_compare(void* key1, void* key2) {
Manager.JobInfo *j1 = (Manager.JobInfo*) key1;
Manager.JobInfo *j2 = (Manager.JobInfo*) key2;
return Posix.strcmp(j1->name, j2->name);
return j1->id < j2->id ? -1 : (j1->id > j2->id ? 1 : 0);
}
public static int unit_info_compare(void* key1, void* key2) {
@ -54,8 +24,9 @@ public static int unit_info_compare(void* key1, void* key2) {
}
static const OptionEntry entries[] = {
{ "type", 't', 0, OptionArg.STRING, out type, "List only particular type of units", "TYPE" },
{ "all", 'a', 0, OptionArg.NONE, out all, "Show all units, including dead ones", null },
{ "type", 't', 0, OptionArg.STRING, out type, "List only particular type of units", "TYPE" },
{ "all", 'a', 0, OptionArg.NONE, out all, "Show all units, including dead ones", null },
{ "replace", 0, 0, OptionArg.NONE, out replace, "When installing a new job, replace existing conflicting ones.", null },
{ null }
};
@ -79,7 +50,7 @@ int main (string[] args) {
"org.freedesktop.systemd1") as Manager;
if (args[1] == "list-units" || args.length <= 1) {
var list = manager.ListUnits();
var list = manager.list_units();
uint n = 0;
Posix.qsort(list, list.length, sizeof(Manager.UnitInfo), unit_info_compare);
@ -109,19 +80,19 @@ int main (string[] args) {
} else if (args[1] == "list-jobs") {
var list = manager.ListJobs();
var list = manager.list_jobs();
Posix.qsort(list, list.length, sizeof(Manager.JobInfo), job_info_compare);
stdout.printf("%-45s %-17s %-7s\n", "UNIT", "TYPE", "STATE");
stdout.printf("%4s %-45s %-17s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
foreach (var i in list)
stdout.printf("%-45s → %-15s %-7s\n", i.name, i.type, i.state);
stdout.printf("%4u %-45s → %-15s %-7s\n", i.id, i.name, i.type, i.state);
stdout.printf("\n%u jobs listed.\n", list.length);
} else if (args[1] == "clear-jobs") {
manager.ClearJobs();
manager.clear_jobs();
} else if (args[1] == "load") {
@ -130,7 +101,65 @@ int main (string[] args) {
return 1;
}
manager.LoadUnit(args[2]);
for (uint i = 2; i < args.length; i++)
manager.load_unit(args[i]);
} else if (args[1] == "cancel") {
if (args.length < 3) {
stderr.printf("Missing argument.\n");
return 1;
}
for (uint i = 2; i < args.length; i++) {
uint32 id;
if (args[i].scanf("%u", out id) != 1) {
stderr.printf("Failed to parse argument.\n");
return 1;
}
ObjectPath p = manager.get_job(id);
Job j = bus.get_object (
"org.freedesktop.systemd1",
p,
"org.freedesktop.systemd1.Job") as Job;
j.cancel();
}
} else if (args[1] == "start" ||
args[1] == "stop" ||
args[1] == "reload" ||
args[1] == "restart") {
if (args.length < 3) {
stderr.printf("Missing argument.\n");
return 1;
}
for (uint i = 2; i < args.length; i++) {
ObjectPath p = manager.get_unit(args[i]);
Unit u = bus.get_object(
"org.freedesktop.systemd1",
p,
"org.freedesktop.systemd1.Unit") as Unit;
string mode = replace ? "replace" : "fail";
if (args[1] == "start")
u.start(mode);
else if (args[1] == "stop")
u.stop(mode);
else if (args[1] == "restart")
u.restart(mode);
else if (args[1] == "reload")
u.reload(mode);
}
} else {
stderr.printf("Unknown command %s.\n", args[1]);
return 1;

61
systemd-interfaces.vala Normal file
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@ -0,0 +1,61 @@
using DBus;
[DBus (name = "org.freedesktop.systemd1")]
public interface Manager : DBus.Object {
public struct UnitInfo {
string id;
string description;
string load_state;
string active_state;
ObjectPath unit_path;
uint32 job_id;
string job_type;
ObjectPath job_path;
}
public struct JobInfo {
uint32 id;
string name;
string type;
string state;
ObjectPath job_path;
ObjectPath unit_path;
}
public abstract UnitInfo[] list_units() throws DBus.Error;
public abstract JobInfo[] list_jobs() throws DBus.Error;
public abstract ObjectPath get_unit(string name) throws DBus.Error;
public abstract ObjectPath load_unit(string name) throws DBus.Error;
public abstract ObjectPath get_job(uint32 id) throws DBus.Error;
public abstract void clear_jobs() throws DBus.Error;
}
[DBus (name = "org.freedesktop.systemd1.Unit")]
public interface Unit : DBus.Object {
public abstract string id { owned get; }
public abstract string description { owned get; }
public abstract string load_state { owned get; }
public abstract string active_state { owned get; }
public abstract string load_path { owned get; }
public abstract uint64 active_enter_timestamp { owned get; }
public abstract uint64 active_exit_timestamp { owned get; }
public abstract bool can_reload { owned get; }
public abstract bool can_start { owned get; }
public abstract ObjectPath start(string mode) throws DBus.Error;
public abstract ObjectPath stop(string mode) throws DBus.Error;
public abstract ObjectPath restart(string mode) throws DBus.Error;
public abstract ObjectPath reload(string mode) throws DBus.Error;
}
[DBus (name = "org.freedesktop.systemd1.Job")]
public interface Job : DBus.Object {
public abstract uint32 id { owned get; }
public abstract string state { owned get; }
public abstract string job_type { owned get; }
public abstract void cancel() throws DBus.Error;
}