Files
grafana-zabbix/src/panel-triggers/triggers_panel_ctrl.js
Alexander Zobnin 32543f3380 Chore: clean up
2020-05-08 17:31:17 +03:00

494 lines
15 KiB
JavaScript

import React from 'react';
import ReactDOM from 'react-dom';
import _ from 'lodash';
import { getDataSourceSrv } from '@grafana/runtime';
import { PanelEvents } from '@grafana/data';
import * as dateMath from 'grafana/app/core/utils/datemath';
import * as utils from '../datasource-zabbix/utils';
import { MetricsPanelCtrl } from 'grafana/app/plugins/sdk';
import { triggerPanelOptionsTab } from './options_tab';
import { migratePanelSchema, CURRENT_SCHEMA_VERSION } from './migrations';
import ProblemList from './components/Problems/Problems';
import AlertList from './components/AlertList/AlertList';
const PROBLEM_EVENTS_LIMIT = 100;
export const DEFAULT_TARGET = {
group: {filter: ""},
host: {filter: ""},
application: {filter: ""},
trigger: {filter: ""},
tags: {filter: ""},
proxy: {filter: ""},
};
export const DEFAULT_SEVERITY = [
{ priority: 0, severity: 'Not classified', color: 'rgb(108, 108, 108)', show: true},
{ priority: 1, severity: 'Information', color: 'rgb(120, 158, 183)', show: true},
{ priority: 2, severity: 'Warning', color: 'rgb(175, 180, 36)', show: true},
{ priority: 3, severity: 'Average', color: 'rgb(255, 137, 30)', show: true},
{ priority: 4, severity: 'High', color: 'rgb(255, 101, 72)', show: true},
{ priority: 5, severity: 'Disaster', color: 'rgb(215, 0, 0)', show: true},
];
export const getDefaultSeverity = () => DEFAULT_SEVERITY;
const DEFAULT_TIME_FORMAT = "DD MMM YYYY HH:mm:ss";
export const PANEL_DEFAULTS = {
schemaVersion: CURRENT_SCHEMA_VERSION,
// Fields
hostField: true,
hostTechNameField: false,
hostGroups: false,
hostProxy: false,
showTags: true,
statusField: true,
statusIcon: false,
severityField: true,
ageField: false,
descriptionField: true,
descriptionAtNewLine: false,
// Options
hostsInMaintenance: true,
showTriggers: 'all triggers',
sortTriggersBy: { text: 'last change', value: 'lastchange' },
showEvents: { text: 'Problems', value: 1 },
limit: 100,
// View options
layout: 'table',
fontSize: '100%',
pageSize: 10,
problemTimeline: true,
highlightBackground: false,
highlightNewEvents: false,
highlightNewerThan: '1h',
customLastChangeFormat: false,
lastChangeFormat: "",
resizedColumns: [],
// Triggers severity and colors
triggerSeverity: getDefaultSeverity(),
okEventColor: 'rgb(56, 189, 113)',
ackEventColor: 'rgb(56, 219, 156)',
markAckEvents: false,
};
const triggerStatusMap = {
'0': 'OK',
'1': 'PROBLEM'
};
export class TriggerPanelCtrl extends MetricsPanelCtrl {
/** @ngInject */
constructor($scope, $injector, $timeout) {
super($scope, $injector);
this.scope = $scope;
this.$timeout = $timeout;
// Tell Grafana do not convert data frames to table or series
this.useDataFrames = true;
this.triggerStatusMap = triggerStatusMap;
this.defaultTimeFormat = DEFAULT_TIME_FORMAT;
this.pageIndex = 0;
this.range = {};
this.renderData = [];
this.panel = migratePanelSchema(this.panel);
_.defaultsDeep(this.panel, _.cloneDeep(PANEL_DEFAULTS));
this.events.on(PanelEvents.render, this.onRender.bind(this));
this.events.on('data-frames-received', this.onDataFramesReceived.bind(this));
this.events.on(PanelEvents.dataSnapshotLoad, this.onDataSnapshotLoad.bind(this));
this.events.on(PanelEvents.editModeInitialized, this.onInitEditMode.bind(this));
}
onInitEditMode() {
// Update schema version to prevent migration on up-to-date targets
this.panel.schemaVersion = CURRENT_SCHEMA_VERSION;
this.addEditorTab('Options', triggerPanelOptionsTab);
}
onDataFramesReceived(data) {
let problems = [];
if (data && data.length) {
for (const dataFrame of data) {
try {
const values = dataFrame.fields[0].values;
if (values.toArray) {
problems.push(values.toArray());
} else if (values.length > 0) {
// On snapshot mode values is a plain Array, not ArrayVector
problems.push(values);
}
} catch (error) {
console.log(error);
}
}
}
this.loading = false;
problems = _.flatten(problems);
this.renderProblems(problems);
}
onDataSnapshotLoad(snapshotData) {
this.onDataFramesReceived(snapshotData);
}
onRender() {
this.range = this.timeSrv.timeRange();
}
setPanelError(err, defaultError) {
const defaultErrorMessage = defaultError || "Request Error";
this.inspector = { error: err };
this.error = err.message || defaultErrorMessage;
if (err.data) {
if (err.data.message) {
this.error = err.data.message;
}
if (err.data.error) {
this.error = err.data.error;
}
}
// this.events.emit(PanelEvents.dataError, err);
console.log('Panel data error:', err);
}
renderProblems(problems) {
let triggers = _.cloneDeep(problems);
triggers = _.map(triggers, this.formatTrigger.bind(this));
triggers = this.filterTriggersPost(triggers);
triggers = this.sortTriggers(triggers);
// Limit triggers number
triggers = triggers.slice(0, this.panel.limit || PANEL_DEFAULTS.limit);
this.renderData = triggers;
return this.$timeout(() => {
return super.render(triggers);
});
}
filterTriggersPost(triggers) {
let triggerList = _.cloneDeep(triggers);
// Filter acknowledged triggers
if (this.panel.showTriggers === 'unacknowledged') {
triggerList = _.filter(triggerList, trigger => {
return !(trigger.acknowledges && trigger.acknowledges.length);
});
} else if (this.panel.showTriggers === 'acknowledged') {
triggerList = _.filter(triggerList, trigger => {
return trigger.acknowledges && trigger.acknowledges.length;
});
}
// Filter by maintenance status
if (!this.panel.hostsInMaintenance) {
triggerList = _.filter(triggerList, (trigger) => trigger.maintenance === false);
}
// Filter triggers by severity
triggerList = _.filter(triggerList, trigger => {
if (trigger.lastEvent && trigger.lastEvent.severity) {
return this.panel.triggerSeverity[trigger.lastEvent.severity].show;
} else {
return this.panel.triggerSeverity[trigger.priority].show;
}
});
return triggerList;
}
sortTriggers(triggerList) {
if (this.panel.sortTriggersBy.value === 'priority') {
triggerList = _.orderBy(triggerList, ['priority', 'lastchangeUnix', 'triggerid'], ['desc', 'desc', 'desc']);
} else {
triggerList = _.orderBy(triggerList, ['lastchangeUnix', 'priority', 'triggerid'], ['desc', 'desc', 'desc']);
}
return triggerList;
}
formatTrigger(zabbixTrigger) {
let trigger = _.cloneDeep(zabbixTrigger);
// Set host and proxy that the trigger belongs
if (trigger.hosts && trigger.hosts.length) {
const host = trigger.hosts[0];
trigger.host = host.name;
trigger.hostTechName = host.host;
if (host.proxy) {
trigger.proxy = host.proxy;
}
}
// Set tags if present
if (trigger.tags && trigger.tags.length === 0) {
trigger.tags = null;
}
// Handle multi-line description
if (trigger.comments) {
trigger.comments = trigger.comments.replace('\n', '<br>');
}
trigger.lastchangeUnix = Number(trigger.lastchange);
return trigger;
}
parseTags(tagStr) {
if (!tagStr) {
return [];
}
let tags = _.map(tagStr.split(','), (tag) => tag.trim());
tags = _.map(tags, (tag) => {
const tagParts = tag.split(':');
return {tag: tagParts[0].trim(), value: tagParts[1].trim()};
});
return tags;
}
tagsToString(tags) {
return _.map(tags, (tag) => `${tag.tag}:${tag.value}`).join(', ');
}
addTagFilter(tag, datasource) {
for (const target of this.panel.targets) {
if (target.datasource === datasource || this.panel.datasource === datasource) {
let tagFilter = target.tags.filter;
let targetTags = this.parseTags(tagFilter);
let newTag = {tag: tag.tag, value: tag.value};
targetTags.push(newTag);
targetTags = _.uniqWith(targetTags, _.isEqual);
let newFilter = this.tagsToString(targetTags);
target.tags.filter = newFilter;
}
}
this.refresh();
}
removeTagFilter(tag, datasource) {
const matchTag = t => t.tag === tag.tag && t.value === tag.value;
for (const target of this.panel.targets) {
if (target.datasource === datasource || this.panel.datasource === datasource) {
let tagFilter = target.tags.filter;
let targetTags = this.parseTags(tagFilter);
_.remove(targetTags, matchTag);
targetTags = _.uniqWith(targetTags, _.isEqual);
let newFilter = this.tagsToString(targetTags);
target.tags.filter = newFilter;
}
}
this.refresh();
}
getProblemEvents(problem) {
const triggerids = [problem.triggerid];
const timeFrom = Math.ceil(dateMath.parse(this.range.from) / 1000);
const timeTo = Math.ceil(dateMath.parse(this.range.to) / 1000);
return getDataSourceSrv().get(problem.datasource)
.then(datasource => {
return datasource.zabbix.getEvents(triggerids, timeFrom, timeTo, [0, 1], PROBLEM_EVENTS_LIMIT);
});
}
getProblemAlerts(problem) {
if (!problem.lastEvent || problem.lastEvent.length === 0) {
return Promise.resolve([]);
}
const eventids = [problem.lastEvent.eventid];
return getDataSourceSrv().get(problem.datasource)
.then(datasource => {
return datasource.zabbix.getEventAlerts(eventids);
});
}
formatHostName(trigger) {
let host = "";
if (this.panel.hostField && this.panel.hostTechNameField) {
host = `${trigger.host} (${trigger.hostTechName})`;
} else if (this.panel.hostField || this.panel.hostTechNameField) {
host = this.panel.hostField ? trigger.host : trigger.hostTechName;
}
if (this.panel.hostProxy && trigger.proxy) {
host = `${trigger.proxy}: ${host}`;
}
return host;
}
formatHostGroups(trigger) {
let groupNames = "";
if (this.panel.hostGroups) {
let groups = _.map(trigger.groups, 'name').join(', ');
groupNames += `[ ${groups} ]`;
}
return groupNames;
}
isNewTrigger(trigger) {
try {
const highlightIntervalMs = utils.parseInterval(this.panel.highlightNewerThan || PANEL_DEFAULTS.highlightNewerThan);
const durationSec = (Date.now() - trigger.lastchangeUnix * 1000);
return durationSec < highlightIntervalMs;
} catch (e) {
return false;
}
}
getAlertIconClass(trigger) {
let iconClass = '';
if (trigger.value === '1' && trigger.priority >= 2) {
iconClass = 'icon-gf-critical';
} else {
iconClass = 'icon-gf-online';
}
if (this.panel.highlightNewEvents && this.isNewTrigger(trigger)) {
iconClass += ' zabbix-trigger--blinked';
}
return iconClass;
}
getAlertIconClassBySeverity(triggerSeverity) {
let iconClass = 'icon-gf-online';
if (triggerSeverity.priority >= 2) {
iconClass = 'icon-gf-critical';
}
return iconClass;
}
getAlertStateClass(trigger) {
let statusClass = '';
if (trigger.value === '1') {
statusClass = 'alert-state-critical';
} else {
statusClass = 'alert-state-ok';
}
if (this.panel.highlightNewEvents && this.isNewTrigger(trigger)) {
statusClass += ' zabbix-trigger--blinked';
}
return statusClass;
}
resetResizedColumns() {
this.panel.resizedColumns = [];
this.render();
}
acknowledgeTrigger(trigger, message) {
let eventid = trigger.lastEvent ? trigger.lastEvent.eventid : null;
let grafana_user = this.contextSrv.user.name;
let ack_message = grafana_user + ' (Grafana): ' + message;
return getDataSourceSrv().get(trigger.datasource)
.then(datasource => {
const userIsEditor = this.contextSrv.isEditor || this.contextSrv.isGrafanaAdmin;
if (datasource.disableReadOnlyUsersAck && !userIsEditor) {
return Promise.reject({message: 'You have no permissions to acknowledge events.'});
}
if (eventid) {
return datasource.zabbix.acknowledgeEvent(eventid, ack_message);
} else {
return Promise.reject({message: 'Trigger has no events. Nothing to acknowledge.'});
}
})
.then(this.onMetricsPanelRefresh.bind(this))
.catch((err) => {
this.setPanelError(err);
});
}
handlePageSizeChange(pageSize, pageIndex) {
this.panel.pageSize = pageSize;
this.pageIndex = pageIndex;
this.scope.$apply(() => {
this.render();
});
}
handleColumnResize(newResized) {
this.panel.resizedColumns = newResized;
this.scope.$apply(() => {
this.render();
});
}
link(scope, elem, attrs, ctrl) {
let panel = ctrl.panel;
// let problems = ctrl.problems;
// scope.$watchGroup(['ctrl.renderData'], renderPanel);
ctrl.events.on(PanelEvents.render, (renderData) => {
renderData = renderData || this.renderData;
renderPanel(renderData);
});
function renderPanel(problems) {
const timeFrom = Math.ceil(dateMath.parse(ctrl.range.from) / 1000);
const timeTo = Math.ceil(dateMath.parse(ctrl.range.to) / 1000);
const fontSize = parseInt(panel.fontSize.slice(0, panel.fontSize.length - 1));
const fontSizeProp = fontSize && fontSize !== 100 ? fontSize : null;
const pageSize = panel.pageSize || 10;
const loading = ctrl.loading && (!problems || !problems.length);
let panelOptions = {};
for (let prop in PANEL_DEFAULTS) {
panelOptions[prop] = ctrl.panel[prop];
}
const problemsListProps = {
problems,
panelOptions,
timeRange: { timeFrom, timeTo },
loading,
pageSize,
fontSize: fontSizeProp,
getProblemEvents: ctrl.getProblemEvents.bind(ctrl),
getProblemAlerts: ctrl.getProblemAlerts.bind(ctrl),
onPageSizeChange: ctrl.handlePageSizeChange.bind(ctrl),
onColumnResize: ctrl.handleColumnResize.bind(ctrl),
onProblemAck: (trigger, data) => {
const message = data.message;
return ctrl.acknowledgeTrigger(trigger, message);
},
onTagClick: (tag, datasource, ctrlKey, shiftKey) => {
if (ctrlKey || shiftKey) {
ctrl.removeTagFilter(tag, datasource);
} else {
ctrl.addTagFilter(tag, datasource);
}
}
};
let problemsReactElem;
if (panel.layout === 'list') {
problemsReactElem = React.createElement(AlertList, problemsListProps);
} else {
problemsReactElem = React.createElement(ProblemList, problemsListProps);
}
const panelContainerElem = elem.find('.panel-content');
if (panelContainerElem && panelContainerElem.length) {
ReactDOM.render(problemsReactElem, panelContainerElem[0]);
} else {
ReactDOM.render(problemsReactElem, elem[0]);
}
}
}
}
TriggerPanelCtrl.templateUrl = 'public/plugins/alexanderzobnin-zabbix-app/panel-triggers/partials/module.html';