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iss #71 - Implemented text metrics query.

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This commit is contained in:
Alexander Zobnin
2015-08-18 23:24:15 +03:00
parent 9ec32b26e8
commit 1f6ecd5aed
3 changed files with 105 additions and 80 deletions
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168
zabbix/datasource.js
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@@ -94,7 +94,7 @@ function (angular, _, kbn) {
// Create request for each target
var promises = _.map(options.targets, function(target) {
if (!target.mode || target.mode === 0) {
if (target.mode !== 1) {
// Don't show undefined and hidden targets
if (target.hide || !target.group || !target.host
|| !target.application || !target.item) {
@@ -119,86 +119,111 @@ function (angular, _, kbn) {
var delete_hostname_pattern = /(?:\[[\w\.]+]:\s)/g;
var itemnames = zabbixHelperSrv.splitMetrics(itemname.replace(delete_hostname_pattern, ''));
// Find items by item names and perform queries
var self = this;
return this.zabbixAPI.itemFindQuery(groups, hosts, apps)
.then(function (items) {
// Filter hosts by regex
if (target.host.visible_name === 'All') {
if (target.hostFilter && _.every(items, _.identity.hosts)) {
// Query numeric data
if (!target.mode) {
// Use templated variables in filter
var host_pattern = new RegExp(templateSrv.replace(target.hostFilter, options.scopedVars));
items = _.filter(items, function (item) {
return _.some(item.hosts, function (host) {
return host_pattern.test(host.name);
// Find items by item names and perform queries
return this.zabbixAPI.itemFindQuery(groups, hosts, apps)
.then(function (items) {
// Filter hosts by regex
if (target.host.visible_name === 'All') {
if (target.hostFilter && _.every(items, _.identity.hosts)) {
// Use templated variables in filter
var host_pattern = new RegExp(templateSrv.replace(target.hostFilter, options.scopedVars));
items = _.filter(items, function (item) {
return _.some(item.hosts, function (host) {
return host_pattern.test(host.name);
});
});
});
}
}
}
if (itemnames[0] === 'All') {
if (itemnames[0] === 'All') {
// Filter items by regex
if (target.itemFilter) {
// Filter items by regex
if (target.itemFilter) {
// Use templated variables in filter
var item_pattern = new RegExp(templateSrv.replace(target.itemFilter, options.scopedVars));
return _.filter(items, function (item) {
return item_pattern.test(zabbixHelperSrv.expandItemName(item));
});
// Use templated variables in filter
var item_pattern = new RegExp(templateSrv.replace(target.itemFilter, options.scopedVars));
return _.filter(items, function (item) {
return item_pattern.test(zabbixHelperSrv.expandItemName(item));
});
} else {
return items;
}
} else {
return items;
}
} else {
// Filtering items
return _.filter(items, function (item) {
// Filtering items
return _.filter(items, function (item) {
return _.contains(itemnames, zabbixHelperSrv.expandItemName(item));
});
}
}).then(function (items) {
// Don't perform query for high number of items
// to prevent Grafana slowdown
if (items.length > self.limitmetrics) {
var message = "Try to increase limitmetrics parameter in datasource config.<br>"
+ "Current limitmetrics value is " + self.limitmetrics;
alertSrv.set("Metrics limit exceeded", message, "warning", 10000);
return [];
} else {
items = _.flatten(items);
// Use alias only for single metric, otherwise use item names
var alias = target.item.name === 'All' || itemnames.length > 1 ?
undefined : templateSrv.replace(target.alias, options.scopedVars);
var history;
if ((from < useTrendsFrom) && self.trends) {
var points = target.downsampleFunction ? target.downsampleFunction.value : "avg";
history = self.zabbixAPI.getTrends(items, from, to)
.then(_.bind(zabbixHelperSrv.handleTrendResponse, zabbixHelperSrv, items, alias, target.scale, points));
} else {
history = self.zabbixAPI.getHistory(items, from, to)
.then(_.bind(zabbixHelperSrv.handleHistoryResponse, zabbixHelperSrv, items, alias, target.scale));
}
return history.then(function (timeseries) {
var timeseries_data = _.flatten(timeseries);
return _.map(timeseries_data, function (timeseries) {
// Series downsampling
if (timeseries.datapoints.length > options.maxDataPoints) {
var ms_interval = Math.floor((to - from) / options.maxDataPoints) * 1000;
var downsampleFunc = target.downsampleFunction ? target.downsampleFunction.value : "avg";
timeseries.datapoints = zabbixHelperSrv.downsampleSeries(timeseries.datapoints, to, ms_interval, downsampleFunc);
}
return timeseries;
});
});
}
});
}
// Query text data
else if (target.mode === 2) {
// Find items by item names and perform queries
return this.zabbixAPI.itemFindQuery(groups, hosts, apps, "text")
.then(function (items) {
items = _.filter(items, function (item) {
return _.contains(itemnames, zabbixHelperSrv.expandItemName(item));
});
}
}).then(function (items) {
// Don't perform query for high number of items
// to prevent Grafana slowdown
if (items.length > self.limitmetrics) {
var message = "Try to increase limitmetrics parameter in datasource config.<br>"
+ "Current limitmetrics value is " + self.limitmetrics;
alertSrv.set("Metrics limit exceeded", message, "warning", 10000);
return [];
} else {
items = _.flatten(items);
// Use alias only for single metric, otherwise use item names
var alias = target.item.name === 'All' || itemnames.length > 1 ?
undefined : templateSrv.replace(target.alias, options.scopedVars);
var history;
if ((from < useTrendsFrom) && self.trends) {
var points = target.downsampleFunction ? target.downsampleFunction.value : "avg";
history = self.zabbixAPI.getTrends(items, from, to)
.then(_.bind(zabbixHelperSrv.handleTrendResponse, zabbixHelperSrv, items, alias, target.scale, points));
} else {
history = self.zabbixAPI.getHistory(items, from, to)
.then(_.bind(zabbixHelperSrv.handleHistoryResponse, zabbixHelperSrv, items, alias, target.scale));
}
return history.then(function (timeseries) {
var timeseries_data = _.flatten(timeseries);
return _.map(timeseries_data, function (timeseries) {
// Series downsampling
if (timeseries.datapoints.length > options.maxDataPoints) {
var ms_interval = Math.floor((to - from) / options.maxDataPoints) * 1000;
var downsampleFunc = target.downsampleFunction ? target.downsampleFunction.value : "avg";
timeseries.datapoints = zabbixHelperSrv.downsampleSeries(timeseries.datapoints, to, ms_interval, downsampleFunc);
}
return timeseries;
});
});
}
});
return self.zabbixAPI.getHistory(items, from, to).then(function(history) {
return {
target: target.item.name,
datapoints: _.map(history, function (p) {
return [p.value, p.clock * 1000];
})
};
});
});
}
}
// IT services mode
@@ -211,11 +236,6 @@ function (angular, _, kbn) {
.then(_.bind(zabbixHelperSrv.handleSLAResponse, zabbixHelperSrv, target.itservice, target.slaProperty));
}
}
// Text metrics mode
else if (target.mode === 2) {
return [];
}
}, this);
return $q.all(_.flatten(promises)).then(function (results) {