monito/extension.js

546 lines
19 KiB
JavaScript

/* -*- mode: js; js-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Monito Gnome-Shell extension
Copyright (C) 2021 Benjamin Drieu
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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.
SPDX-License-Identifier: GPL-2.0-or-later
*/
/* exported init */
const GETTEXT_DOMAIN = 'monito';
let _httpSession;
let _status;
let _ok_text;
const ExtensionUtils = imports.misc.extensionUtils;
const Lang = imports.lang;
const Main = imports.ui.main;
const Mainloop = imports.mainloop;
const Me = ExtensionUtils.getCurrentExtension();
const PanelMenu = imports.ui.panelMenu;
const PopupMenu = imports.ui.popupMenu;
const Gettext = imports.gettext.domain(GETTEXT_DOMAIN);
const _ = Gettext.gettext;
const { GObject, St, Clutter, Gio } = imports.gi;
const SETTINGS_SCHEMA = "org.gnome.shell.extensions.monito";
const SETTINGS_SCHEMA_ACCOUNT = "org.gnome.shell.extensions.monito.account";
const SETTINGS_SCHEMA_ACCOUNT_PATH = "/org/gnome/shell/extensions/monito/account";
const Convenience = Me.imports.convenience;
const GenericServer = Me.imports.servers.genericserver.GenericServer;
const Icinga = Me.imports.servers.icinga.Icinga;
const Icinga2 = Me.imports.servers.icinga2.Icinga2;
const Icinga2API = Me.imports.servers.icinga2api.Icinga2API;
const Preferences = Me.imports.prefs;
let settings = Convenience.getSettings(SETTINGS_SCHEMA);
let account_settings = [ ];
const column_definitions = {
status: { label: _('Status'), width: 50, expand: false, },
host_name: { label: _('Host name'), width: 300, expand: false, },
service_display_name: { label: _('Service'), width: 300, expand: false, },
last_check: { label: _('Last check'), width: 200, expand: false, type: 'date' },
attempts: { label: _('Attempts'), width: 50, expand: false, },
status_information: { label: _('Information'), width: 600, expand: true, },
actions: { label: 'Actions', width: 100, expand: true, special: 'actions' },
};
const Indicator = GObject.registerClass(
class Indicator extends PanelMenu.Button {
_init(server) {
super._init(0.0, _('Monito Checker'));
this.server = server;
this.initStatus ( );
this.namesBoxes = { };
this.boxes = { };
this.sortIcons = { };
account_settings [ server ] = Preferences.getAccountSettings ( this.server );
this.account_settings = account_settings [ server ];
let type = this.account_settings.get_string ( "type" );
if ( type == 'Icinga' )
this.serverLogic = new Icinga ( this.server );
else if ( type == 'Icinga2' )
this.serverLogic = new Icinga2 ( this.server );
else if ( type == 'Icinga2API' )
this.serverLogic = new Icinga2API ( this.server );
this.initUI ( );
}
initUI ( ) {
let box = new St.BoxLayout ( { } );
this.add_child(box);
monitoLog ( '> Server ' + this.server );
let serverBox = new St.BoxLayout ( { style_class: 'monito-serverbox' } );
box.add_child(serverBox);
let name_box = new St.BoxLayout( { style_class: 'monito-namebox' } );
this.namesBoxes [ this.server ] = new St.Label ( { text: this.account_settings.get_string ( 'name' ) } );
name_box.add_child ( this.namesBoxes [ this.server ] );
serverBox.add_child(name_box);
this.account_settings.bind ( 'name', this.namesBoxes [ this.server ], 'text', Gio.SettingsBindFlags.GET );
this.namesBoxes [ this.server ].connect ( 'button-press-event', Lang.bind ( this, function ( ) { this.setMenu ( this.menu ); } ) );
for ( var boxName of [ 'ok', 'warning', 'critical', 'unknown' ] )
{
let _box = new St.BoxLayout( { style_class: 'monito-%s-box monito-box'.format(boxName), visible: false } );
_box.set_style ( this.getStyleForRow ( boxName ) );
this.account_settings.connect("changed::%s-color".format(boxName), Lang.bind ( { widget: _box }, setColor ) );
this.account_settings.connect("changed::%s-fg".format(boxName), Lang.bind ( { widget: _box }, setColor ) );
this.boxes [ boxName ] = new St.Label ( { text: '' } );
_box.add_child ( this.boxes [ boxName ] );
serverBox.add_child(_box);
}
box.add_child(PopupMenu.arrowIcon(St.Side.BOTTOM));
this.menu_new = new PopupMenu.PopupMenu(this, Clutter.ActorAlign.START, St.Side.TOP, 0);
// Menu
this._buttonMenu = new PopupMenu.PopupBaseMenuItem({
reactive: false,
style_class: 'monito-menu-button-container',
});
this.menu.addMenuItem(this._buttonMenu);
let _path = Me.path + '/img/monito.png';
let _icon = new St.Icon({
gicon: Gio.icon_new_for_string(_path),
});
let _iconBin = new St.Bin();
_iconBin.child = _icon;
this._buttonMenu.actor.add_actor(_iconBin);
this._mainLabel = new St.Label ( { style_class: 'monito-title', text: 'Monito Checker', x_expand: true } );
this._buttonMenu.actor.add_actor(this._mainLabel);
this._prefsButton = this._createButton ( 'preferences-system-symbolic', 'Preferences', this._onPreferencesActivate );
this._buttonMenu.actor.add_child (this._prefsButton);
this._updateButton = this._createButton ( 'emblem-synchronizing-symbolic', 'Reload', this.updateStatus ); // Implement this
this._buttonMenu.actor.add_child (this._updateButton );
this._reloadButton = this._createButton ( 'view-refresh-symbolic', 'Reload', this.updateStatus );
this._buttonMenu.actor.add_child (this._reloadButton );
let _intermediate = new PopupMenu.PopupBaseMenuItem ( {
style_class: 'monito-services',
reactive: false
});
this.menu.addMenuItem(_intermediate);
this._box = new St.BoxLayout({
style_class: 'monito-services',
vertical: true,
x_expand: true
});
_intermediate.actor.add_actor(this._box);
this.menu_orig = this.menu;
this.updateStatus ( );
this.setupTimeout ( );
}
cancelTimeout ( )
{
if (this.timeout)
Mainloop.source_remove(this.timeout);
}
setupTimeout ( )
{
monitoLog ( 'Setting up timeout of ' + settings.get_int ( "poll-delay" ) + ' secs' );
this.cancelTimeout ( );
this.timeout = Mainloop.timeout_add ( settings.get_int ( "poll-delay" ) * 1000, Lang.bind(this, this.updateStatus ) );
}
initStatus ( ) {
_status = { 'OK': 0,
'WARNING': 0,
'CRITICAL': 0,
'UNKNOWN': 0 };
}
updateStatus ( )
{
this.serverLogic.refresh ( this );
this.setupTimeout ( );
}
createHeaderBin ( colName ) {
let col = column_definitions [ colName ];
let _box = new St.BoxLayout ( { vertical: false,
x_expand: true } );
_box.add_child ( new St.Label ( { text: col.label,
x_expand: true,
x_align: Clutter.ActorAlign.START } ) );
let _iconBin = new St.Bin ( { x_align: Clutter.ActorAlign.END });
_box.add_child ( _iconBin );
let _iconName = '';
let _sortOrder = Preferences.getSortOrder ( this.server );
if ( _sortOrder.indexOf ( colName + '+' ) >= 0 )
_iconName = 'view-sort-descending-symbolic';
else if ( _sortOrder.indexOf ( colName + '-' ) >= 0 )
_iconName = 'view-sort-ascending-symbolic';
this.sortIcons [ colName ] = new St.Icon ( {
style_class: 'monito-button-icon',
icon_name: _iconName,
icon_size: 16,
} );
_iconBin.child = this.sortIcons [ colName ];
let _button = new St.Button ( {
x_align: Clutter.ActorAlign.START,
y_align: Clutter.ActorAlign.CENTER,
width: col.width,
reactive: true,
can_focus: true,
track_hover: true,
accessible_name: col.label,
style_class: 'button',
} );
_button.column = colName;
_button.add_actor ( _box );
_button.connect ( 'clicked', Lang.bind ( this, this._onSortColumnClick ) );
let _bin = new St.Bin({
style_class: 'monito-service',
width: col.width,
x_expand: col.expand,
child: _button,
});
return _bin;
}
createBin ( status, text, col ) {
let _child;
if ( ! text )
text = '…';
if ( ! col [ 'special' ] )
_child = new St.Label({ style_class: 'monito-label', text: text.toString(), });
else if ( col.special == 'actions' && this.serverLogic.canRecheck )
{
_child = new St.BoxLayout ( { x_expand: true,
x_align: Clutter.ActorAlign.FILL,
vertical: false } );
let _button = new St.Button ( {
style_class: 'button small-button',
x_expand: true,
x_align: Clutter.ActorAlign.END,
y_align: Clutter.ActorAlign.CENTER,
can_focus: true,
} );
_button.service = text;
_button.connect ( 'clicked', Lang.bind ( this, this._onRecheckButtonClick ) );
_button.child = new St.Icon ( {
icon_name: 'view-refresh-symbolic',
icon_size: 16,
width: 16,
height: 16,
} );
_child.add_child ( _button );
}
let _bin = new St.Bin({
// style: 'background: purple',
track_hover: true,
width: col.width,
x_expand: col.expand,
child: _child,
});
return _bin;
}
getStyleForRow ( boxName, row = 0 )
{
let bgColor = this.account_settings.get_string ( boxName + '-color' );
let fgColor = this.account_settings.get_string ( boxName + '-fg' );
if ( row % 2 )
{
bgColor = this.lightenColor(bgColor, 12);
fgColor = this.lightenColor(fgColor, 12);
}
else
{
bgColor = this.lightenColor(bgColor, -12);
fgColor = this.lightenColor(fgColor, -12);
}
return 'background-color: %s; color: %s' . format ( bgColor, fgColor );
}
lightenColor ( col, amt ) {
if ( col.substring(0,1) == '#' )
col = col.substring ( 1 );
col = parseInt(col, 16);
return '#%06x'.format (Math.max(Math.min((col & 0x0000FF) + amt,0x0000FF),0) |
(Math.max(Math.min((((col >> 8) & 0x00FF) + amt),0x0000FF),0) << 8) |
(Math.max(Math.min(((col >> 16) + amt),0x0000FF),0) << 16));
}
refreshUI ( ) {
try {
this.initStatus ( );
this._box.remove_all_children();
if ( this.serverLogic.error || ! this.serverLogic.status )
{
this._box.add_child ( new St.Label ( { style_class: 'monito-network-error', text: this.serverLogic.error } ) );
this.boxes['ok'].set_text ( '…' );
this.boxes['warning'].set_text ( '…' );
this.boxes['critical'].set_text ( '…' );
return;
}
let headerBox = new St.BoxLayout({
hover: true,
x_expand: true
});
this._box.add_child(headerBox);
let _columns = Preferences.getColumns ( this.server );
for ( let _col of _columns )
headerBox.add_child ( this.createHeaderBin ( _col ) );
headerBox.add_child ( this.createHeaderBin ( 'actions' ) );
let scrollBox = new St.ScrollView ( { hscrollbar_policy: St.PolicyType.NEVER,
enable_mouse_scrolling: true, } );
this._box.add_child(scrollBox);
let tableBox = new St.BoxLayout({
hover: true,
vertical: true,
x_expand: true,
});
scrollBox.add_actor(tableBox);
let processedStatus = this.serverLogic.getProcessedStatus ( )
for ( let entryCount of processedStatus )
_status [ entryCount.status ] ++;
let _row = 0;
for ( let entry of processedStatus )
{
if ( ( ! _status [ 'WARNING' ] && ! _status [ 'CRITICAL' ] && ! _status [ 'UNKNOWN' ] && entry.status == 'OK' ) ||
( ( _status [ 'WARNING' ] || _status [ 'CRITICAL' ] || _status [ 'UNKNOWN' ] ) && entry.status != 'OK' ) )
{
let _style = this.getStyleForRow ( entry.status.toLowerCase(), _row );
let infoBox = new St.BoxLayout({
style_class: 'monito-service-line',
style: _style,
track_hover: true,
x_expand: true,
});
tableBox.add_child(infoBox);
let _columns = Preferences.getColumns ( this.server );
for ( let _col of _columns )
{
if ( _col == 'host_name' && this.account_settings.get_string ( 'host-match' ) )
entry [ _col ] = entry [ _col ] . replace ( new RegExp ( this.account_settings.get_string ( 'host-match' ), 'i' ),
this.account_settings.get_string ( 'host-replace' ) );
else if ( _col == 'service_display_name' && this.account_settings.get_string ( 'service-match' ) )
entry [ _col ] = entry [ _col ] . replace ( new RegExp ( this.account_settings.get_string ( 'service-match' ), 'i' ),
this.account_settings.get_string ( 'service-replace' ) );
else if ( _col == 'status_information' && this.account_settings.get_string ( 'status-info-match' ) )
entry [ _col ] = entry [ _col ] . replace ( new RegExp ( this.account_settings.get_string ( 'status-info-match' ), 'i' ),
this.account_settings.get_string ( 'status-info-replace' ) );
infoBox.add_child ( this.createBin ( entry.status, entry [ _col ], column_definitions [ _col ] ) );
}
if ( this.serverLogic.canRecheck )
infoBox.add_child ( this.createBin ( entry.status, entry, column_definitions [ 'actions' ] ) );
_row ++;
}
}
if ( _status.WARNING == 0 && _status.CRITICAL == 0 )
{
this.boxes['ok'].set_text ( String(_status.OK) );
this.boxes['ok'].get_parent().show ( );
this.boxes['warning'].get_parent().hide ( );
this.boxes['critical'].get_parent().hide ( );
}
else
{
this.boxes['warning'].set_text ( String(_status.WARNING) );
this.boxes['critical'].set_text ( String(_status.CRITICAL) );
this.boxes['ok'].get_parent().hide ( );
this.boxes['warning'].get_parent().show ( );
this.boxes['critical'].get_parent().show ( );
}
if ( _status.UNKNOWN != 0 )
{
this.boxes['unknown'].set_text ( String(_status.UNKNOWN) );
this.boxes['unkown'].get_parent().show ( );
}
}
catch ( e )
{
monitoLog ( 'RefreshUI error: ' + e );
monitoLog ( e.stack );
}
return;
}
_onPreferencesActivate ( ) {
this.menu.actor.hide();
if (typeof ExtensionUtils.openPrefs === 'function') {
ExtensionUtils.openPrefs();
} else {
Util.spawn([
"gnome-shell-extension-prefs",
Me.uuid
]);
}
return 0;
}
_onSortColumnClick ( button ) {
let _sortOrder = Preferences.getSortOrder ( this.server );
let _columns = Preferences.getColumns ( this.server );
let _indexPlus = _sortOrder.indexOf ( button.column + '+' );
let _indexMinus = _sortOrder.indexOf ( button.column + '-' );
if ( _indexPlus >= 0 )
_sortOrder [ _indexPlus ] = button.column + '-';
else if ( _indexMinus >= 0 )
_sortOrder.splice ( _indexMinus, 1 );
else
_sortOrder.unshift ( button.column + '+' );
Preferences.setSortOrder ( this.server, _sortOrder );
this.refreshUI ( );
}
_onRecheckButtonClick ( e )
{
monitoLog ( JSON.stringify ( e.service ) );
this.serverLogic.recheck ( e.service );
}
_createButton ( icon, text, callback ) {
let button = new St.Button({
x_align: Clutter.ActorAlign.END,
y_align: Clutter.ActorAlign.CENTER,
reactive: true,
can_focus: true,
track_hover: true,
accessible_name: text,
style_class: 'button big-button',
});
button.child = new St.Icon({
style_class: 'monito-button-icon',
icon_name: icon,
icon_size: 24,
width: 24,
height: 24,
});
button.connect('clicked', Lang.bind(this, callback ) );
return button;
}
});
class Extension {
constructor(uuid) {
this._uuid = uuid;
settings.connect("changed::servers", Lang.bind ( this, function(stgs, key) {
this.disable ( );
this.enable ( );
} ) );
ExtensionUtils.initTranslations(GETTEXT_DOMAIN);
}
enable() {
this._indicators = { };
for ( let _server of Preferences.getServersList() )
{
this._indicators [ _server ] = new Indicator(_server);
Main.panel.addToStatusArea ( '%s-%d'.format ( this._uuid, _server), this._indicators [ _server ] );
}
}
disable() {
for ( var i of Object.keys(this._indicators) )
{
this._indicators[i].cancelTimeout();
this._indicators[i].destroy();
}
this._indicators = { };
}
}
function init(meta) {
return new Extension(meta.uuid);
}
function monitoLog ( msg )
{
log ( 'Monito: ' + msg );
}
function setColor (stgs, key) {
// monitoLog ( '> %s color %s'.format ( key, stgs.get_string(key) ) );
// monitoLog ( '> style %s'.format ( style ) );
let style = this.widget.get_style ( );
if ( key.match ( /-fg$/ ) )
this.widget.set_style ( style + ';color: ' + stgs.get_string(key) );
else
this.widget.set_style ( style + ';background-color: ' + stgs.get_string(key) );
}