Name
global.MetricTracer
Description
No description available
Script
var MetricTracer = Class.create();
MetricTracer.prototype = {
initialize: function() {
},
// Check input's validity then set metric tracer info
setMetricInfo: function(midSysId, node, ciSysId, metricTypeSysId, resource){
var resourceId = this.getResourceId(resource,ciSysId);
if (resourceId == "")
resource = "";
if (!this.checkValidity(midSysId, node, ciSysId, metricTypeSysId))
return;
this.setMetricInfoParameters(midSysId, node, ciSysId, metricTypeSysId, resource, resourceId);
},
// Set metric tracer fields on the MID side and instance side
setMetricInfoParameters: function(midSysId, node, ciSysId, metricTypeSysId, resource, resourceId){
var metricType = this.getMetricType(metricTypeSysId);
var metricTinyName = this.getMetricTinyName(metricTypeSysId);
var midConfigParamToValue = { "em.metric.tracer.ciSysId": ciSysId,
"em.metric.tracer.node": node,
"em.metric.tracer.metricType": metricType,
"em.metric.tracer.metricTypeSysId": metricTypeSysId,
"em.metric.tracer.resource": resource,
"em.metric.tracer.resourceId": resourceId };
var metricAPIs = new SNC.MetricScriptableApis();
metricAPIs.initMetricTracer(node, ciSysId, metricType, metricTypeSysId, metricTinyName, resource, resourceId);
this.setMidConfigParams(midConfigParamToValue, midSysId);
if (midSysId == "" || ciSysId == "" || node == "")
return;
var timeToLookBackForMetrics = 10;
if (resourceId == "")
this.printMetricDataForAllResources(ciSysId, metricTypeSysId);
else
gs.info("MetricTracer: "+this.printMetricDataByCIAndMetric(ciSysId, metricTypeSysId, timeToLookBackForMetrics, resourceId));
},
// Set MID config parameters for the metric tracer
setMidConfigParams: function(configParamToValue, midSysId){
for(var key in configParamToValue){
if (configParamToValue.hasOwnProperty(key)){
var gr = new GlideRecord("ecc_agent_config");
gr.addQuery("ecc_agent", midSysId);
gr.addQuery("param_name", key);
gr.query();
if (gr.next()){
gs.info("MetricTracer: updated mid config param "+key);
gr.setValue("value", configParamToValue[key]);
gr.update();
}
else{
gs.info("MetricTracer: added mid config param "+key);
gr.setValue("ecc_agent", midSysId);
gr.setValue("param_name", key);
gr.setValue("value", configParamToValue[key]);
gr.insert();
}
}
}
},
getResourceId: function(resourceName, ciId){
var resourceId = "";
var gr = new GlideRecord("ci_resource");
gr.addQuery("name", resourceName);
gr.addQuery("cmdb_ci", ciId);
gr.query();
if(gr.next())
resourceId = gr.getUniqueValue();
else
gs.info("MetricTracer: Wrong resource name, bringing data for all resources. Please insert a valid resource name if you want to trace a specific resource.");
return resourceId;
},
getMetricType: function(metricTypeSysId){
var gr = new GlideRecord("sa_metric_type");
if (gr.get("sys_id", metricTypeSysId))
return gr.getValue("metric_type");
return "";
},
getMetricTinyName: function(metricTypeSysId){
var gr = new GlideRecord("sa_metric_type");
if (gr.get("sys_id", metricTypeSysId))
return gr.getValue("metric_type_tiny_name");
return "";
},
getStartDate: function(hrs) {
var startDate = new GlideDateTime();
var hours = 60 * 60 * hrs;
startDate.addSeconds(-hours);
return startDate;
},
// Get resource glide record according to the table/sysClassName it belongs to
getResGr: function(resourceId, sysClassName, ciGr) {
var resGr;
if (resourceId == "") {
resGr = new GlideRecord(sysClassName);
resGr.addQuery('sys_id', ciGr.getValue("sys_id"));
} else {
var ciResGr = new GlideRecord("ci_resource");
ciResGr.addQuery('sys_id', resourceId);
ciResGr.query();
if (ciResGr.next())
sysClassName = ciResGr.getValue("sys_class_name");
resGr = new GlideRecord(sysClassName);
resGr.addQuery('sys_id', resourceId);
}
return resGr;
},
// gets metric data points reaching clotho for the selected metric
getTransformMetricData: function(resourceGr, metricName, ciName, startTime, endTime) {
var transformer = new sn_clotho.Transformer(resourceGr);
transformer.metric(metricName).avg().label("Average");
var res = transformer.execute(startTime, endTime);
if (!res.getData()) {
gs.info("MetricTracer: The metric "+metricName+", "+ciName+" did not reach Clotho successfully");
return;
}
var values = res.getData().getValues();
var timestamp = res.getData().getStart().getNumericValue();
var period = res.getData().getPeriod() * 1000;
var innerDataSet = '{"target":"' + metricName + '", "datapoints": [';
for (var j = 0; j < values.length; j++) {
// [100,1593283865000],
if (values[j])
innerDataSet += '[' + values[j] + ',' + timestamp + '],';
timestamp += period;
}
// remove the last ',' if datapoints not empty
if (innerDataSet[innerDataSet.length - 1] == ",")
innerDataSet = innerDataSet.substring(0, innerDataSet.length - 1);
innerDataSet += ']}';
return innerDataSet;
},
// prints the metric data points reaching clotho for the selected metric
printMetricDataByCIAndMetric: function(ciId, metricTypeId, hrs, resourceId) {
var startDate = this.getStartDate(hrs);
var endDate = new GlideDateTime();
var metricName = this.getMetricTinyName(metricTypeId);
/*To get the ci name and ci type from cmdb_ci table */
var gr = new GlideRecord('cmdb_ci');
gr.get(ciId);
gr.query();
if (gr.next()) {
var ciName = gr.getValue("name");
var sysClassName = gr.getValue("sys_class_name");
//this.printFstSection(startDate, endDate, ciName, sysClassName);
var resourceGr = this.getResGr(resourceId, sysClassName, gr);
resourceGr.query();
if (resourceGr.next()) {
var resourceName = resourceGr.getValue("name");
var dataSet = '[';
dataSet += this.getTransformMetricData(resourceGr, metricName, ciName, startDate, endDate);
dataSet += ']';
return dataSet;
}
}
return "No data found in clotho";
},
// if no resource is given, print metric data points in clotho for all resources
printMetricDataForAllResources: function(ciSysId, metricTypeSysId){
var timeToLookBackForMetrics = 10;
var gr = new GlideRecord("sa_metric_map");
gr.addQuery("cmdb_ci", ciSysId);
gr.addQuery("metric_type_id", metricTypeSysId);
gr.query();
while(gr.next())
gs.info("MetricTracer: "+gr.getValue("resource_id")+": "+this.printMetricDataByCIAndMetric(ciSysId, metricTypeSysId, timeToLookBackForMetrics, gr.getValue("resource_id")));
},
checkValidity: function(midSysId, node, ciSysId, metricTypeSysId){
var valid = true;
if (!this.checkValidtyByTable("cmdb_ci", ciSysId)){
gs.error("MetricTracer: Wrong CI sys_id");
valid = false;
}
if (!this.checkValidtyByTable("sa_metric_type", metricTypeSysId)){
gs.error("MetricTracer: Wrong metric type sys_id");
valid = false;
}
if (!this.checkValidtyByTable("ecc_agent", midSysId)){
gs.error("MetricTracer: Wrong MID server sys_id");
valid = false;
}
return valid;
},
checkValidtyByTable: function(table, sysId){
var gr = new GlideRecord(table);
gr.addQuery("sys_id", sysId);
gr.query();
if (gr.next())
return true;
return false;
},
resetTracer: function(midSysId){
this.setMetricInfoParameters(midSysId, "", "", "", "", "");
},
type: 'MetricTracer'
};Sys ID
f401b6257312101061e5157964f6a7a1