Merge branch 'feature-filters' into develop
This commit is contained in:
Alexander Zobnin
@@ -33,103 +33,72 @@ function (angular, _, kbn) {
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ZabbixAPIDatasource.prototype.query = function(options) {
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// get from & to in seconds
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var from = kbn.parseDate(options.range.from).getTime();
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var to = kbn.parseDate(options.range.to).getTime();
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var from = Math.ceil(kbn.parseDate(options.range.from).getTime() / 1000);
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var to = Math.ceil(kbn.parseDate(options.range.to).getTime() / 1000);
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// Need for find target alias
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var targets = options.targets;
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// Create request for each target
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var promises = _.map(options.targets, function(target) {
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// Remove undefined and hidden targets
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var displayedTargets = _.filter(targets, function (target) {
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return (!target.hide && target.item);
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});
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// Remove undefined and hidden targets
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if (target.hide || !target.item) {
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return [];
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}
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if (displayedTargets.length) {
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// Extract zabbix api item objects from targets
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var target_items = _.map(displayedTargets, 'item');
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} else {
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// No valid targets, return the empty dataset
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var d = $q.defer();
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d.resolve({ data: [] });
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return d.promise;
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}
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// Perform request and then handle result
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return this.performTimeSeriesQuery(target.item, from, to).then(_.partial(
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this.handleZabbixAPIResponse, target));
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}, this);
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from = Math.ceil(from/1000);
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to = Math.ceil(to/1000);
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return this.performTimeSeriesQuery(target_items, from, to).then(function (response) {
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/**
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* Response should be in the format:
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* data: [
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* {
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* target: "Metric name",
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* datapoints: [[<value>, <unixtime>], ...]
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* },
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* {
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* target: "Metric name",
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* datapoints: [[<value>, <unixtime>], ...]
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* },
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* ]
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*/
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// Index returned datapoints by item/metric id
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var indexed_result = _.groupBy(response, 'itemid');
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// TODO: realize correct timeseries reduce
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/*
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// Reduce timeseries to the same size for stacking and tooltip work properly
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var min_length = _.min(_.map(indexed_result, function (history) {
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return history.length;
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}));
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_.each(indexed_result, function (item) {
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item.splice(0, item.length - min_length);
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});*/
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// Sort result as the same as targets for display
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// stacked timeseries in proper order
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var sorted_history = _.sortBy(indexed_result, function (value, key, list) {
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return _.indexOf(_.map(target_items, 'itemid'), key);
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});
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var series = _.map(sorted_history,
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// Foreach itemid index: iterate over the data points and
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// normalize to Grafana response format.
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function (history, index) {
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return {
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// Lookup itemid:alias map
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//target: targets[itemid].alias,
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target: targets[index].alias,
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datapoints: _.map(history, function (p) {
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// Value must be a number for properly work
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var value = Number(p.value);
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// TODO: Correct time for proper stacking
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//var clock = Math.round(Number(p.clock) / 60) * 60;
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return [value, p.clock * 1000];
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})
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};
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})
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return $q.when({data: series});
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return $q.all(promises).then(function(results) {
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return { data: _.flatten(results) };
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});
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};
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///////////////////////////////////////////////////////////////////////
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/// Query methods
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///////////////////////////////////////////////////////////////////////
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// Request data from Zabbix API
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ZabbixAPIDatasource.prototype.handleZabbixAPIResponse = function(target, response) {
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/**
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* Response should be in the format:
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* data: [
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* {
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* target: "Metric name",
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* datapoints: [[<value>, <unixtime>], ...]
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* },
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* {
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* target: "Metric name",
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* datapoints: [[<value>, <unixtime>], ...]
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* },
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* ]
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*/
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var series = {
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target: target.alias,
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datapoints: _.map(response, function (p) {
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// Value must be a number for properly work
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var value = Number(p.value);
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return [value, p.clock * 1000];
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})
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};
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return $q.when(series);
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};
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// Request data from Zabbix API
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ZabbixAPIDatasource.prototype.performZabbixAPIRequest = function(request_data) {
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ZabbixAPIDatasource.prototype.performZabbixAPIRequest = function(method, params) {
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var options = {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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url: this.url,
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data: request_data
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data: {
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jsonrpc: '2.0',
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method: method,
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params: params,
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auth: this.auth,
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id: 1
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}
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};
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var performedQuery;
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@@ -162,68 +131,22 @@ function (angular, _, kbn) {
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* @param items: array of zabbix api item objects
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*/
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ZabbixAPIDatasource.prototype.performTimeSeriesQuery = function(items, start, end) {
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var params = {
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output: 'extend',
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history: items.value_type,
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itemids: items.itemid,
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sortfield: 'clock',
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sortorder: 'ASC',
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limit: this.limitmetrics,
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time_from: start,
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};
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// Group items by value type for separate requests
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var items_by_value_type = _.groupBy(items, 'value_type');
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// Relative queries (e.g. last hour) don't include an end time
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if (end) {
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params.time_till = end;
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}
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var self = this;
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var apiRequests = [];
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// Prepare requests for each value type
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_.each(items_by_value_type, function (value, key, list) {
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var item_ids = _.map(value, 'itemid');
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var history_type = key;
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var data = {
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jsonrpc: '2.0',
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method: 'history.get',
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params: {
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output: 'extend',
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history: history_type,
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itemids: item_ids,
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sortfield: 'clock',
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sortorder: 'ASC',
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limit: self.limitmetrics,
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time_from: start,
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},
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auth: self.auth,
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id: 1
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};
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// Relative queries (e.g. last hour) don't include an end time
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if (end) {
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data.params.time_till = end;
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}
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apiRequests.push(self.performZabbixAPIRequest(data));
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});
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return this.handleMultipleRequest(apiRequests);
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};
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// Handle multiple request
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ZabbixAPIDatasource.prototype.handleMultipleRequest = function(apiRequests) {
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var history = [];
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var performedQuery = null;
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// Build chain of api requests and put all history data into single array
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_.each(apiRequests, function (apiRequest) {
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if(!performedQuery) {
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performedQuery = apiRequest.then(function (response) {
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history = history.concat(response);
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return history;
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});
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} else {
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performedQuery = performedQuery.then(function () {
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return apiRequest.then(function (response) {
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history = history.concat(response);
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return history;
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});
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});
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}
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});
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return performedQuery;
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return this.performZabbixAPIRequest('history.get', params);
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};
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@@ -255,83 +178,62 @@ function (angular, _, kbn) {
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// Get the list of host groups
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ZabbixAPIDatasource.prototype.performHostGroupSuggestQuery = function() {
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var data = {
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jsonrpc: '2.0',
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method: 'hostgroup.get',
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params: {
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output: ['name'],
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real_hosts: true, //Return only host groups that contain hosts
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sortfield: 'name'
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},
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auth: this.auth,
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id: 1
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var params = {
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output: ['name'],
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real_hosts: true, //Return only host groups that contain hosts
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sortfield: 'name'
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};
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return this.performZabbixAPIRequest(data);
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return this.performZabbixAPIRequest('hostgroup.get', params);
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};
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// Get the list of hosts
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ZabbixAPIDatasource.prototype.performHostSuggestQuery = function(groupid) {
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var data = {
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jsonrpc: '2.0',
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method: 'host.get',
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params: {
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output: ['name'],
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sortfield: 'name'
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},
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auth: this.auth,
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id: 1
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var params = {
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output: ['name'],
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sortfield: 'name'
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};
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// Return only hosts in given group
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if (groupid) {
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data.params.groupids = groupid;
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params.groupids = groupid;
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}
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return this.performZabbixAPIRequest(data);
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return this.performZabbixAPIRequest('host.get', params);
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};
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// Get the list of applications
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ZabbixAPIDatasource.prototype.performAppSuggestQuery = function(hostid) {
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var data = {
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jsonrpc: '2.0',
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method: 'application.get',
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params: {
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output: ['name'],
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sortfield: 'name',
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hostids: hostid
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},
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auth: this.auth,
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id: 1
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var params = {
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output: ['name'],
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sortfield: 'name',
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hostids: hostid
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};
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return this.performZabbixAPIRequest(data);
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return this.performZabbixAPIRequest('application.get', params);
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};
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// Get the list of host items
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ZabbixAPIDatasource.prototype.performItemSuggestQuery = function(hostid, applicationid) {
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var data = {
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jsonrpc: '2.0',
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method: 'item.get',
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params: {
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output: ['name', 'key_', 'value_type', 'delay'],
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sortfield: 'name',
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hostids: hostid,
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webitems: true, //Include web items in the result
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filter: {
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value_type: [0,3]
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}
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},
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auth: this.auth,
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id: 1
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var params = {
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output: ['name', 'key_', 'value_type', 'delay'],
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sortfield: 'name',
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hostids: hostid,
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//Include web items in the result
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webitems: true,
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// Return only numeric items
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filter: {
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value_type: [0,3]
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}
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};
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// If application selected return only relative items
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if (applicationid) {
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data.params.applicationids = applicationid;
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params.applicationids = applicationid;
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}
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return this.performZabbixAPIRequest(data);
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return this.performZabbixAPIRequest('item.get', params);
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};
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