pgadmin4/web/pgadmin/dashboard/static/js/dashboard.js

1387 lines
43 KiB
JavaScript

define('pgadmin.dashboard', [
'sources/url_for', 'sources/gettext', 'require', 'jquery', 'underscore',
'sources/pgadmin', 'backbone', 'backgrid', 'flotr2',
'pgadmin.alertifyjs', 'pgadmin.backform', 'backgrid.filter',
'pgadmin.browser', 'bootstrap', 'wcdocker',
], function(
url_for, gettext, r, $, _, pgAdmin, Backbone, Backgrid, Flotr,
Alertify, Backform
) {
pgAdmin.Browser = pgAdmin.Browser || {};
var pgBrowser = pgAdmin.Browser;
/* Return back, this has been called more than once */
if (pgAdmin.Dashboard)
return;
var dashboardVisible = true,
cancel_query_url = '',
terminate_session_url = '',
is_super_user = false,
current_user, maintenance_database,
is_server_dashboard = false,
is_database_dashboard = false;
// Custom BackGrid cell, Responsible for cancelling active sessions
var customDashboardActionCell = Backgrid.Extension.DeleteCell.extend({
render: function() {
this.$el.empty();
var self = this,
cell_action = self.column.get('cell_action');
// if cancel query button then
if (cell_action === 'cancel') {
this.$el.html(
'<i class=\'fa fa-stop\' data-toggle=\'tooltip\' ' +
'title=\'' + gettext('Cancel the active query') +
'\'></i>'
);
} else {
this.$el.html(
'<i class=\'fa fa-times-circle\' data-toggle=\'tooltip\' ' +
'title=\'' + gettext('Terminate the session') +
'\'></i>'
);
}
this.delegateEvents();
return this;
},
deleteRow: function(e) {
var self = this,
title, txtConfirm, txtSuccess, txtError, action_url,
cell_action = self.column.get('cell_action');
e.preventDefault();
var canDeleteRow = Backgrid.callByNeed(
self.column.get('canDeleteRow'), self.column, self.model
);
// If we are not allowed to cancel the query, return from here
if (!canDeleteRow)
return;
// This will refresh the grid
var refresh_grid = function() {
if (is_server_dashboard) {
$('#btn_server_activity_refresh').trigger('click');
} else if (is_database_dashboard) {
$('#btn_database_activity_refresh').trigger('click');
}
};
if (cell_action === 'cancel') {
title = gettext('Cancel Active Query?');
txtConfirm = gettext('Are you sure you wish to cancel the active query?');
txtSuccess = gettext('Active query cancelled successfully.');
txtError = gettext('An error occurred whilst cancelling the active query.');
action_url = cancel_query_url + self.model.get('pid');
} else {
title = gettext('Terminate Session?');
txtConfirm = gettext('Are you sure you wish to terminate the session?');
txtSuccess = gettext('Session terminated successfully.');
txtError = gettext('An error occurred whilst terminating the active query.');
action_url = terminate_session_url + self.model.get('pid');
}
Alertify.confirm(
title, txtConfirm,
function() {
$.ajax({
url: action_url,
type: 'DELETE',
})
.done(function(res) {
if (res == gettext('Success')) {
Alertify.success(txtSuccess);
refresh_grid();
} else {
Alertify.error(txtError);
}
})
.fail(function(xhr, status, error) {
Alertify.pgRespErrorNotify(xhr, error);
});
},
function() {
return true;
}
);
},
});
// Subnode Cell, which will display subnode control
var SessionDetailsCell = Backgrid.Extension.ObjectCell.extend({
enterEditMode: function() {
// Notify that we are about to enter in edit mode for current cell.
this.model.trigger('enteringEditMode', [this]);
Backgrid.Cell.prototype.enterEditMode.apply(this, arguments);
/* Make sure - we listen to the click event */
this.delegateEvents();
var editable = Backgrid.callByNeed(this.column.editable(), this.column, this.model);
if (editable) {
this.$el.html(
'<i class=\'fa fa-caret-down subnode-edit-in-process\'></i>'
);
this.model.trigger(
'pg-sub-node:opened', this.model, this
);
}
},
render: function() {
this.$el.empty();
this.$el.html(
'<i class=\'fa fa-caret-right\' data-toggle=\'tooltip\' ' +
'title=\'' + gettext('View the active session details') +
'\'></i>'
);
this.delegateEvents();
if (this.grabFocus)
this.$el.trigger('focus');
return this;
},
});
// Subnode Model
var ActiveQueryDetailsModel = Backbone.Model.extend({
defaults: {
version: null,
/* Postgres version */
},
schema: [{
id: 'backend_type',
label: gettext('Backend type'),
type: 'text',
editable: true,
disabled: true,
group: gettext('Details'),
visible: function() {
return this.version >= 100000;
},
}, {
id: 'query_start',
label: gettext('Query started at'),
type: 'text',
editable: false,
disabled: true,
group: gettext('Details'),
}, {
id: 'state_change',
label: gettext('Last state changed at'),
type: 'text',
editable: true,
disabled: true,
group: gettext('Details'),
}, {
id: 'query',
label: gettext('SQL'),
type: 'text',
editable: true,
disabled: true,
control: Backform.SqlFieldControl,
group: gettext('Details'),
}],
});
pgAdmin.Dashboard = {
init: function() {
if (this.initialized)
return;
this.initialized = true;
this.sid = this.did = -1;
this.version = -1;
// Bind the Dashboard object with the 'object_selected' function
var selected = this.object_selected.bind(this);
var disconnected = this.object_disconnected.bind(this);
// Listen for selection of any of object
pgBrowser.Events.on('pgadmin-browser:tree:selected', selected);
// Listen for server disconnected event
pgBrowser.Events.on('pgadmin:server:disconnect', disconnected);
// Load the default welcome dashboard
var url = url_for('dashboard.index');
/* Store the interval ids of the graph interval functions so that we can clear
* them when graphs are disabled
*/
this.intervalIds = {};
var dashboardPanel = pgBrowser.panels['dashboard'].panel;
if (dashboardPanel) {
var div = dashboardPanel.layout().scene().find('.pg-panel-content');
if (div) {
$.ajax({
url: url,
type: 'GET',
dataType: 'html',
})
.done(function(data) {
$(div).html(data);
})
.fail(function() {
$(div).html(
'<div class="alert alert-danger pg-panel-message" role="alert">' + gettext('An error occurred whilst loading the dashboard.') + '</div>'
);
});
// Cache the current IDs for next time
$(dashboardPanel).data('sid', -1);
$(dashboardPanel).data('did', -1);
}
}
},
// Handle Server Disconnect
object_disconnected: function(obj) {
this.object_selected(obj.item, obj.data, pgBrowser.Nodes[obj.data._type]);
},
// Handle treeview clicks
object_selected: function(item, itemData, node) {
let self = this;
/* Clear all the interval functions of previous dashboards */
self.clearIntervalId();
if (itemData && itemData._type && dashboardVisible) {
var treeHierarchy = node.getTreeNodeHierarchy(item),
url = url_for('dashboard.index'),
b = pgAdmin.Browser,
m = b && b.Nodes[itemData._type];
self.sid = self.did = -1;
self.version = itemData.version;
cancel_query_url = url_for('dashboard.index') + 'cancel_query/';
terminate_session_url = url_for('dashboard.index') + 'terminate_session/';
// Check if user is super user
var server = treeHierarchy['server'];
maintenance_database = (server && server.db) || null;
if (server && server.user && server.user.is_superuser) {
is_super_user = true;
} else {
is_super_user = false;
// Set current user
current_user = (server && server.user) ? server.user.name : null;
}
if (m && m.dashboard) {
if (_.isFunction(m.dashboard)) {
url = m.dashboard.apply(
item, itemData, node, treeHierarchy
);
} else {
url = m.dashboard;
}
} else {
if ('database' in treeHierarchy) {
self.sid = treeHierarchy.server._id;
self.did = treeHierarchy.database._id;
is_server_dashboard = false;
is_database_dashboard = true;
url += self.sid + '/' + self.did;
cancel_query_url += self.sid + '/' + self.did + '/';
terminate_session_url += self.sid + '/' + self.did + '/';
} else if ('server' in treeHierarchy) {
self.sid = treeHierarchy.server._id;
self.did = -1;
is_server_dashboard = true;
is_database_dashboard = false;
url += self.sid;
cancel_query_url += self.sid + '/';
terminate_session_url += self.sid + '/';
}
}
var dashboardPanel = pgBrowser.panels['dashboard'].panel;
if (dashboardPanel) {
var div = dashboardPanel.layout().scene().find(
'.pg-panel-content'
);
if (div) {
if (itemData.connected || _.isUndefined(itemData.connected)) {
// Avoid unnecessary reloads
if (url != $(dashboardPanel).data('dashboard_url') ||
(url == $(dashboardPanel).data('dashboard_url') && $(dashboardPanel).data('server_status') == false)) {
$(div).empty();
$.ajax({
url: url,
type: 'GET',
dataType: 'html',
})
.done(function(data) {
$(div).html(data);
self.init_dashboard();
})
.fail(function() {
$(div).html(
'<div class="alert alert-danger pg-panel-message" role="alert">' + gettext('An error occurred whilst loading the dashboard.') + '</div>'
);
});
$(dashboardPanel).data('server_status', true);
}
else {
self.init_dashboard();
}
} else {
$(div).empty();
$(div).html(
'<div class="alert alert-info pg-panel-message" role="alert">' + gettext('Please connect to the selected server to view the dashboard.') + '</div>'
);
$(dashboardPanel).data('server_status', false);
}
// Cache the current IDs for next time
$(dashboardPanel).data('dashboard_url', url);
}
}
}
},
renderChartLoop: function(container, sid, did, url, options, counter, refresh) {
var data = [],
dataset = [];
var theIntervalFunc = function() {
var path = url + sid;
if (did != -1) {
path += '/' + did;
}
$.ajax({
url: path,
type: 'GET',
dataType: 'html',
})
.done(function(resp) {
$(container).removeClass('graph-error');
data = JSON.parse(resp);
if (!dashboardVisible)
return;
var y = 0,
x;
if (dataset.length == 0) {
if (counter == true) {
// Have we stashed initial values?
if (_.isUndefined($(container).data('counter_previous_vals'))) {
$(container).data('counter_previous_vals', data[0]);
} else {
// Create the initial data structure
for (x in data[0]) {
dataset.push({
'data': [
[0, data[0][x] - $(container).data('counter_previous_vals')[x]],
],
'label': x,
});
}
}
} else {
// Create the initial data structure
for (x in data[0]) {
dataset.push({
'data': [
[0, data[0][x]],
],
'label': x,
});
}
}
} else {
for (x in data[0]) {
// Push new values onto the existing data structure
// If this is a counter stat, we need to subtract the previous value
if (counter == false) {
dataset[y]['data'].unshift([0, data[0][x]]);
} else {
// Store the current value, minus the previous one we stashed.
// It's possible the tab has been reloaded, in which case out previous values are gone
if (_.isUndefined($(container).data('counter_previous_vals')))
return;
dataset[y]['data'].unshift([0, data[0][x] - $(container).data('counter_previous_vals')[x]]);
}
// Reset the time index to get a proper scrolling display
for (var z = 0; z < dataset[y]['data'].length; z++) {
dataset[y]['data'][z][0] = z;
}
y++;
}
$(container).data('counter_previous_vals', data[0]);
}
// Remove uneeded elements
for (x = 0; x < dataset.length; x++) {
// Remove old data points
if (dataset[x]['data'].length > 101) {
dataset[x]['data'].pop();
}
}
// Draw Graph, if the container still exists and has a size
var dashboardPanel = pgBrowser.panels['dashboard'].panel;
var div = dashboardPanel.layout().scene().find('.pg-panel-content');
if ($(div).find(container).length) { // Exists?
if (container.clientHeight > 0 && container.clientWidth > 0) { // Not hidden?
Flotr.draw(container, dataset, options);
}
} else {
return;
}
})
.fail(function(xhr) {
let err = '';
let msg = '';
let cls = 'info';
if (xhr.readyState === 0) {
msg = gettext('Not connected to the server or the connection to the server has been closed.');
} else {
err = JSON.parse(xhr.responseText);
msg = err.errormsg;
// If we get a 428, it means the server isn't connected
if (xhr.status === 428) {
if (_.isUndefined(msg) || _.isNull(msg)) {
msg = gettext('Please connect to the selected server to view the graph.');
}
} else {
msg = gettext('An error occurred whilst rendering the graph.');
cls = 'danger';
}
}
$(container).addClass('graph-error');
$(container).html(
'<div class="alert alert-' + cls + ' pg-panel-message" role="alert">' + msg + '</div>'
);
});
};
/* Execute once for the first time as setInterval will not do */
theIntervalFunc();
return setInterval(theIntervalFunc, refresh * 1000);
},
// Render a chart
render_chart: function(
container, url, options, counter, chartName, prefName
) {
// Data format:
// [
// { data: [[0, y0], [1, y1]...], label: 'Label 1', [options] },
// { data: [[0, y0], [1, y1]...], label: 'Label 2', [options] },
// { data: [[0, y0], [1, y1]...], label: 'Label 3', [options] }
// ]
let self = this;
if(self.intervalIds[chartName]
&& self.old_preferences[prefName] != self.preferences[prefName]) {
self.clearIntervalId(chartName);
}
if(!self.intervalIds[chartName]) {
self.intervalIds[chartName] = self.renderChartLoop(
container, self.sid, self.did, url,
options, counter, self.preferences[prefName]
);
}
},
// Handler function to support the "Add Server" link
add_new_server: function() {
if (pgBrowser && pgBrowser.tree) {
var i = pgBrowser.tree.selected().length != 0 ?
pgBrowser.tree.selected() :
pgBrowser.tree.first(null, false),
serverModule = require('pgadmin.node.server'),
itemData = pgBrowser.tree.itemData(i);
while (itemData && itemData._type != 'server_group') {
i = pgBrowser.tree.next(i);
itemData = pgBrowser.tree.itemData(i);
}
if (!itemData) {
return;
}
if (serverModule) {
serverModule.callbacks.show_obj_properties.apply(
serverModule, [{
action: 'create',
}, i]
);
}
}
},
// Render a grid
render_grid: function(container, url, columns) {
var Datum = Backbone.Model.extend({}),
self = this;
var path = url + self.sid;
if (self.did != -1) {
path += '/' + self.did;
}
var Data = Backbone.Collection.extend({
model: Datum,
url: path,
mode: 'client',
});
var data = new Data();
// Set up the grid
var grid = new Backgrid.Grid({
columns: columns,
collection: data,
className: 'backgrid table-bordered presentation table backgrid-striped',
});
// Render the grid
$(container).empty();
$(container).append(grid.render().el);
// Initialize a client-side filter to filter on the client
// mode pageable collection's cache.
var filter = new Backgrid.Extension.ClientSideFilter({
collection: data,
});
// Render the filter
$('#' + container.id + '_filter').before(filter.render().el);
// Add some space to the filter and move it to the right
$(filter.el).css({
float: 'right',
margin: '5px',
'margin-right': '2px',
'margin-top': '3px',
});
// Stash objects for future use
$(container).data('data', data);
$(container).data('grid', grid);
$(container).data('filter', filter);
},
// Render the data in a grid
render_grid_data: function(container) {
var data = $(container).data('data'),
grid = $(container).data('grid'),
filter = $(container).data('filter');
if (_.isUndefined(data)) {
return null;
}
data.fetch({
reset: true,
success: function() {
// If we're showing an error, remove it, and replace the grid & filter
if ($(container).hasClass('grid-error')) {
$(container).removeClass('grid-error');
$(container).html(grid.render().el);
$(filter.el).show();
}
// Re-apply search criteria
filter.search();
},
error: function(model, xhr) {
let err = '';
let msg = '';
let cls = 'info';
if (xhr.readyState === 0) {
msg = gettext('Not connected to the server or the connection to the server has been closed.');
} else {
err = JSON.parse(xhr.responseText);
msg = err.errormsg;
// If we get a 428, it means the server isn't connected
if (xhr.status === 428) {
if (_.isUndefined(msg) || _.isNull(msg)) {
msg = gettext('Please connect to the selected server to view the table.');
}
} else {
msg = gettext('An error occurred whilst rendering the table.');
cls = 'danger';
}
}
// Replace the content with the error, if not already present. Always update the message
if (!$(container).hasClass('grid-error')) {
$(filter.el).hide();
$(container).addClass('grid-error');
}
$(container).html(
'<div class="alert alert-' + cls + ' pg-panel-message" role="alert">' + msg + '</div>'
);
// Try again
setTimeout(function() {
pgAdmin.Dashboard.render_grid_data(container, data);
}, 5000);
},
});
},
clearIntervalId: function(intervalId) {
var self = this;
if(!intervalId){
_.each(self.intervalIds, function(id, key) {
clearInterval(id);
delete self.intervalIds[key];
});
}
else {
clearInterval(self.intervalIds[intervalId]);
delete self.intervalIds[intervalId];
}
},
// Rock n' roll on the dashboard
init_dashboard: function() {
let self = this;
if(self.sid === -1 && self.did === -1) {
return;
}
/* Cache may take time to load for the first time
* Keep trying till available
*/
let cacheIntervalId = setInterval(function() {
try {
if(window.top.pgAdmin.Browser.preference_version() > 0) {
clearInterval(cacheIntervalId);
self.reflectPreferences();
}
}
catch(err) {
clearInterval(cacheIntervalId);
throw err;
}
},0);
/* Register for preference changed event broadcasted */
pgBrowser.onPreferencesChange('dashboards', function() {
self.reflectPreferences();
});
},
reflectPreferences: function() {
/* Common things can come here */
var self = this;
var div_sessions = $('.dashboard-container').find('#graph-sessions')[0];
var div_tps = $('.dashboard-container').find('#graph-tps')[0];
var div_ti = $('.dashboard-container').find('#graph-ti')[0];
var div_to = $('.dashboard-container').find('#graph-to')[0];
var div_bio = $('.dashboard-container').find('#graph-bio')[0];
var options_line = {
parseFloat: false,
xaxis: {
min: 100,
max: 0,
autoscale: 0,
},
yaxis: {
autoscale: 1,
},
legend: {
position: 'nw',
backgroundColor: '#D2E8FF',
},
shadowSize: 0,
resolution : 5,
};
/* We will use old preferences for selective graph updates on preference change */
if(self.preferences) {
self.old_preferences = self.preferences;
self.preferences = window.top.pgAdmin.Browser.get_preferences_for_module('dashboards');
}
else {
self.preferences = window.top.pgAdmin.Browser.get_preferences_for_module('dashboards');
self.old_preferences = self.preferences;
}
if(self.preferences.show_graphs && $('#dashboard-graphs').hasClass('dashboard-hidden')) {
$('#dashboard-graphs').removeClass('dashboard-hidden');
}
else if(!self.preferences.show_graphs) {
$('#dashboard-graphs').addClass('dashboard-hidden');
self.clearIntervalId();
}
if (self.preferences.show_activity && $('#dashboard-activity').hasClass('dashboard-hidden')) {
$('#dashboard-activity').removeClass('dashboard-hidden');
}
else if(!self.preferences.show_activity) {
$('#dashboard-activity').addClass('dashboard-hidden');
}
if(self.preferences.show_graphs) {
// Render the graphs
pgAdmin.Dashboard.render_chart(
div_sessions, url_for('dashboard.session_stats'), options_line, false,
'session_stats', 'session_stats_refresh'
);
pgAdmin.Dashboard.render_chart(
div_tps, url_for('dashboard.tps_stats'), options_line, true,
'tps_stats','tps_stats_refresh'
);
pgAdmin.Dashboard.render_chart(
div_ti, url_for('dashboard.ti_stats'), options_line, true,
'ti_stats', 'ti_stats_refresh'
);
pgAdmin.Dashboard.render_chart(
div_to, url_for('dashboard.to_stats'), options_line, true,
'to_stats','to_stats_refresh'
);
pgAdmin.Dashboard.render_chart(
div_bio, url_for('dashboard.bio_stats'), options_line, true,
'bio_stats','bio_stats_refresh'
);
}
/* Dashboard specific preferences can be updated in the
* appropriate functions
*/
if(is_server_dashboard) {
self.reflectPreferencesServer();
}
else if(is_database_dashboard) {
self.reflectPreferencesDatabase();
}
if(!self.preferences.show_graphs && !self.preferences.show_activity) {
$('#dashboard-none-show').removeClass('dashboard-hidden');
}
else {
$('#dashboard-none-show').addClass('dashboard-hidden');
}
},
reflectPreferencesServer: function() {
var self = this;
var div_server_activity = $('.dashboard-container').find('#server_activity');
var div_server_locks = $('.dashboard-container').find('#server_locks');
var div_server_prepared = $('.dashboard-container').find('#server_prepared');
var div_server_config = $('.dashboard-container').find('#server_config');
// Display server activity
if (self.preferences.show_activity) {
var server_activity_columns = [{
name: 'pid',
label: gettext('PID'),
editable: false,
cell: 'string',
}, {
name: 'datname',
label: gettext('Database'),
editable: false,
cell: 'string',
}, {
name: 'usename',
label: gettext('User'),
editable: false,
cell: 'string',
}, {
name: 'application_name',
label: gettext('Application'),
editable: false,
cell: 'string',
}, {
name: 'client_addr',
label: gettext('Client'),
editable: false,
cell: 'string',
}, {
name: 'backend_start',
label: gettext('Backend start'),
editable: false,
cell: 'string',
}, {
name: 'state',
label: gettext('State'),
editable: false,
cell: 'string',
}];
if (self.version < 90600) {
server_activity_columns = server_activity_columns.concat(
[{
name: 'waiting',
label: gettext('Waiting?'),
editable: false,
cell: 'string',
}]);
} else {
server_activity_columns = server_activity_columns.concat(
[{
name: 'wait_event',
label: gettext('Wait Event'),
editable: false,
cell: 'string',
}, {
name: 'blocking_pids',
label: gettext('Blocking PIDs'),
editable: false,
cell: 'string',
}]);
}
var newActiveQueryDetailsModel = new ActiveQueryDetailsModel();
var subNodeFieldsModel = Backform.generateViewSchema(
null, newActiveQueryDetailsModel, 'create', null, null, true
);
// Add version to each field
_.each(subNodeFieldsModel[0].fields, function(obj) {
obj['version'] = self.version;
});
// Add cancel active query button
server_activity_columns.unshift({
name: 'pg-backform-expand',
label: '',
cell: SessionDetailsCell,
cell_priority: -1,
postgres_version: self.version,
schema: subNodeFieldsModel,
});
// Add cancel active query button
server_activity_columns.unshift({
name: 'pg-backform-delete',
label: '',
cell: customDashboardActionCell,
cell_action: 'cancel',
editable: false,
cell_priority: -1,
canDeleteRow: pgAdmin.Dashboard.can_take_action,
postgres_version: self.version,
});
server_activity_columns.unshift({
name: 'pg-backform-delete',
label: '',
cell: customDashboardActionCell,
cell_action: 'terminate',
editable: false,
cell_priority: -1,
canDeleteRow: pgAdmin.Dashboard.can_take_action,
postgres_version: self.version,
});
var server_locks_columns = [{
name: 'pid',
label: gettext('PID'),
editable: false,
cell: 'string',
}, {
name: 'datname',
label: gettext('Database'),
editable: false,
cell: 'string',
}, {
name: 'locktype',
label: gettext('Lock type'),
editable: false,
cell: 'string',
}, {
name: 'relation',
label: gettext('Target relation'),
editable: false,
cell: 'string',
}, {
name: 'page',
label: gettext('Page'),
editable: false,
cell: 'string',
}, {
name: 'tuple',
label: gettext('Tuple'),
editable: false,
cell: 'string',
}, {
name: 'virtualxid',
label: gettext('vXID (target)'),
editable: false,
cell: 'string',
}, {
name: 'transactionid',
label: gettext('XID (target)'),
editable: false,
cell: 'string',
}, {
name: 'classid',
label: gettext('Class'),
editable: false,
cell: 'string',
}, {
name: 'objid',
label: gettext('Object ID'),
editable: false,
cell: 'string',
}, {
name: 'virtualtransaction',
label: gettext('vXID (owner)'),
editable: false,
cell: 'string',
}, {
name: 'mode',
label: gettext('Mode'),
editable: false,
cell: 'string',
}, {
name: 'granted',
label: gettext('Granted?'),
editable: false,
cell: 'string',
}];
var server_prepared_columns = [{
name: 'git',
label: gettext('Name'),
editable: false,
cell: 'string',
}, {
name: 'database',
label: gettext('Database'),
editable: false,
cell: 'string',
}, {
name: 'Owner',
label: gettext('Owner'),
editable: false,
cell: 'string',
}, {
name: 'transaction',
label: gettext('XID'),
editable: false,
cell: 'string',
}, {
name: 'prepared',
label: gettext('Prepared at'),
editable: false,
cell: 'string',
}];
var server_config_columns = [{
name: 'name',
label: gettext('Name'),
editable: false,
cell: 'string',
}, {
name: 'category',
label: gettext('Category'),
editable: false,
cell: 'string',
}, {
name: 'setting',
label: gettext('Setting'),
editable: false,
cell: 'string',
}, {
name: 'unit',
label: gettext('Unit'),
editable: false,
cell: 'string',
}, {
name: 'short_desc',
label: gettext('Description'),
editable: false,
cell: 'string',
}];
// To align subnode controls properly
$(div_server_activity).addClass('pg-el-container');
$(div_server_activity).attr('el', 'sm');
// Render the tabs, but only get data for the activity tab for now
pgAdmin.Dashboard.render_grid(
div_server_activity, url_for('dashboard.activity'), server_activity_columns
);
pgAdmin.Dashboard.render_grid(
div_server_locks, url_for('dashboard.locks'), server_locks_columns
);
pgAdmin.Dashboard.render_grid(
div_server_prepared, url_for('dashboard.prepared'), server_prepared_columns
);
pgAdmin.Dashboard.render_grid(
div_server_config, url_for('dashboard.config'), server_config_columns
);
pgAdmin.Dashboard.render_grid_data(div_server_activity);
// (Re)render the appropriate tab
$('a[data-toggle="tab"]').on('shown.bs.tab', function(e) {
switch ($(e.target).attr('aria-controls')) {
case 'tab_server_activity':
pgAdmin.Dashboard.render_grid_data(div_server_activity);
break;
case 'tab_server_locks':
pgAdmin.Dashboard.render_grid_data(div_server_locks);
break;
case 'tab_server_prepared':
pgAdmin.Dashboard.render_grid_data(div_server_prepared);
break;
case 'tab_server_config':
pgAdmin.Dashboard.render_grid_data(div_server_config);
break;
}
});
// Handle button clicks
$('button').off('click').on('click',() => {
switch (this.id) {
case 'btn_server_activity_refresh':
pgAdmin.Dashboard.render_grid_data(div_server_activity);
break;
case 'btn_server_locks_refresh':
pgAdmin.Dashboard.render_grid_data(div_server_locks);
break;
case 'btn_server_prepared_refresh':
pgAdmin.Dashboard.render_grid_data(div_server_prepared);
break;
case 'btn_server_config_refresh':
pgAdmin.Dashboard.render_grid_data(div_server_config);
break;
}
});
}
},
reflectPreferencesDatabase: function() {
var self = this;
var div_database_activity = document.getElementById('database_activity');
var div_database_locks = document.getElementById('database_locks');
var div_database_prepared = document.getElementById('database_prepared');
// Display server activity
if (self.preferences.show_activity) {
var database_activity_columns = [{
name: 'pid',
label: gettext('PID'),
editable: false,
cell: 'string',
}, {
name: 'usename',
label: gettext('User'),
editable: false,
cell: 'string',
}, {
name: 'application_name',
label: gettext('Application'),
editable: false,
cell: 'string',
}, {
name: 'client_addr',
label: gettext('Client'),
editable: false,
cell: 'string',
}, {
name: 'backend_start',
label: gettext('Backend start'),
editable: false,
cell: 'string',
}, {
name: 'state',
label: gettext('State'),
editable: false,
cell: 'string',
}];
if (self.version < 90600) {
database_activity_columns = database_activity_columns.concat(
[{
name: 'waiting',
label: gettext('Waiting?'),
editable: false,
cell: 'string',
}]);
} else {
database_activity_columns = database_activity_columns.concat(
[{
name: 'wait_event',
label: gettext('Wait Event'),
editable: false,
cell: 'string',
}, {
name: 'blocking_pids',
label: gettext('Blocking PIDs'),
editable: false,
cell: 'string',
}]);
}
var newActiveQueryDetailsModel = new ActiveQueryDetailsModel();
var subNodeFieldsModel = Backform.generateViewSchema(
null, newActiveQueryDetailsModel, 'create', null, null, true
);
// Add version to each field
_.each(subNodeFieldsModel[0].fields, function(obj) {
obj['version'] = self.version;
});
// Add cancel active query button
database_activity_columns.unshift({
name: 'pg-backform-expand',
label: '',
cell: SessionDetailsCell,
cell_priority: -1,
postgres_version: self.version,
schema: subNodeFieldsModel,
});
database_activity_columns.unshift({
name: 'pg-backform-delete',
label: '',
cell: customDashboardActionCell,
cell_action: 'cancel',
editable: false,
cell_priority: -1,
canDeleteRow: pgAdmin.Dashboard.can_take_action,
postgres_version: self.version,
});
database_activity_columns.unshift({
name: 'pg-backform-delete',
label: '',
cell: customDashboardActionCell,
cell_action: 'terminate',
editable: false,
cell_priority: -1,
canDeleteRow: pgAdmin.Dashboard.can_take_action,
postgres_version: self.version,
});
var database_locks_columns = [{
name: 'pid',
label: gettext('PID'),
editable: false,
cell: 'string',
}, {
name: 'locktype',
label: gettext('Lock type'),
editable: false,
cell: 'string',
}, {
name: 'relation',
label: gettext('Target relation'),
editable: false,
cell: 'string',
}, {
name: 'page',
label: gettext('Page'),
editable: false,
cell: 'string',
}, {
name: 'tuple',
label: gettext('Tuple'),
editable: false,
cell: 'string',
}, {
name: 'virtualxid',
label: gettext('vXID (target)'),
editable: false,
cell: 'string',
}, {
name: 'transactionid',
label: gettext('XID (target)'),
editable: false,
cell: 'string',
}, {
name: 'classid',
label: gettext('Class'),
editable: false,
cell: 'string',
}, {
name: 'objid',
label: gettext('Object ID'),
editable: false,
cell: 'string',
}, {
name: 'virtualtransaction',
label: gettext('vXID (owner)'),
editable: false,
cell: 'string',
}, {
name: 'mode',
label: gettext('Mode'),
editable: false,
cell: 'string',
}, {
name: 'granted',
label: gettext('Granted?'),
editable: false,
cell: 'string',
}];
var database_prepared_columns = [{
name: 'git',
label: gettext('Name'),
editable: false,
cell: 'string',
}, {
name: 'Owner',
label: gettext('Owner'),
editable: false,
cell: 'string',
}, {
name: 'transaction',
label: gettext('XID'),
editable: false,
cell: 'string',
}, {
name: 'prepared',
label: gettext('Prepared at'),
editable: false,
cell: 'string',
}];
// To align subnode controls properly
$(div_database_activity).addClass('pg-el-container');
$(div_database_activity).attr('el', 'sm');
// Render the tabs, but only get data for the activity tab for now
pgAdmin.Dashboard.render_grid(
div_database_activity, url_for('dashboard.activity'), database_activity_columns
);
pgAdmin.Dashboard.render_grid(
div_database_locks, url_for('dashboard.locks'), database_locks_columns
);
pgAdmin.Dashboard.render_grid(
div_database_prepared, url_for('dashboard.prepared'), database_prepared_columns
);
pgAdmin.Dashboard.render_grid_data(div_database_activity);
// (Re)render the appropriate tab
$('a[data-toggle="tab"]').off('shown.bs.tab').on('shown.bs.tab', function(e) {
switch ($(e.target).attr('aria-controls')) {
case 'tab_database_activity':
pgAdmin.Dashboard.render_grid_data(div_database_activity);
break;
case 'tab_database_locks':
pgAdmin.Dashboard.render_grid_data(div_database_locks);
break;
case 'tab_database_prepared':
pgAdmin.Dashboard.render_grid_data(div_database_prepared);
break;
}
});
// Handle button clicks
$('button').off('click').on('click',() => {
switch (this.id) {
case 'btn_database_activity_refresh':
pgAdmin.Dashboard.render_grid_data(div_database_activity);
break;
case 'btn_database_locks_refresh':
pgAdmin.Dashboard.render_grid_data(div_database_locks);
break;
case 'btn_database_prepared_refresh':
pgAdmin.Dashboard.render_grid_data(div_database_prepared);
break;
}
});
}
},
toggleVisibility: function(flag) {
// let self = this;
dashboardVisible = flag;
// if(dashboardVisible) {
// self.init_dashboard();
// }
},
can_take_action: function(m) {
// We will validate if user is allowed to cancel the active query
// If there is only one active session means it probably our main
// connection session
var active_sessions = m.collection.where({
'state': 'active',
}),
pg_version = this.get('postgres_version') || null,
cell_action = this.get('cell_action') || null,
is_cancel_session = cell_action === 'cancel',
txtAction = is_cancel_session ? gettext('cancel') : gettext('terminate');
// With PG10, We have background process showing on dashboard
// We will not allow user to cancel them as they will fail with error
// anyway, so better usability we will throw our on notification
// Background processes do not have database field populated
if (pg_version && pg_version >= 100000 && !m.get('datname')) {
Alertify.info(
gettext('You cannot ') +
txtAction +
gettext(' background worker processes.')
);
return false;
// If it is the last active connection on maintenance db then error out
} else if (maintenance_database == m.get('datname') &&
m.get('state') == 'active' && active_sessions.length == 1) {
Alertify.error(
gettext('You are not allowed to ') +
txtAction +
gettext(' the main active session.')
);
return false;
} else if (is_cancel_session && m.get('state') == 'idle') {
// If this session is already idle then do nothing
Alertify.info(
gettext('The session is already in idle state.')
);
return false;
} else if (is_super_user) {
// Super user can do anything
return true;
} else if (current_user && current_user == m.get('usename')) {
// Non-super user can cancel only their active queries
return true;
} else {
// Do not allow to cancel someone else session to non-super user
Alertify.error(
gettext('Superuser privileges are required to ') +
txtAction +
gettext(' another users query.')
);
return false;
}
},
};
return pgAdmin.Dashboard;
});