grafana/pkg/tsdb/azuremonitor/azuremonitor-datasource_test.go
Daniel Lee c05049f395
azuremonitor: port azure log analytics query function to the backend (#23839)
* azuremonitor: add support for log analytics macros

Also adds tests for the kql macros

* azuremonitor: backend implementation for Log Analytics

* azuremonitor: remove gzip header from plugin route

The Go net/http library adds an accept encoding header
for gzip automatically.

https://golang.org/src/net/http/transport.go\#L2454

So no need to specify it manually

* azuremonitor: parses log analytics time series

* azuremonitor: support for table data for Log Analytics

* azuremonitor: for log analytics switch to calling the API...

...from the backend for time series and table queries.

* azuremonitor: fix missing err check

* azuremonitor: support Azure China, Azure Gov...

for log analytics on the backend.

* azuremonitor: review fixes

* azuremonitor: rename test files folder to testdata

To follow Go conventions for test data in tests

* azuremonitor: review fixes

* azuremonitor: better error message for http requests

* azuremonitor: fix for load workspaces on config page

* azuremonitor: strict null check fixes

Co-authored-by: bergquist <carl.bergquist@gmail.com>
2020-04-27 17:43:02 +02:00

393 lines
14 KiB
Go

package azuremonitor
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/url"
"path/filepath"
"testing"
"time"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/tsdb"
. "github.com/smartystreets/goconvey/convey"
)
func TestAzureMonitorDatasource(t *testing.T) {
Convey("AzureMonitorDatasource", t, func() {
datasource := &AzureMonitorDatasource{}
Convey("Parse queries from frontend and build AzureMonitor API queries", func() {
fromStart := time.Date(2018, 3, 15, 13, 0, 0, 0, time.UTC).In(time.Local)
tsdbQuery := &tsdb.TsdbQuery{
TimeRange: &tsdb.TimeRange{
From: fmt.Sprintf("%v", fromStart.Unix()*1000),
To: fmt.Sprintf("%v", fromStart.Add(34*time.Minute).Unix()*1000),
},
Queries: []*tsdb.Query{
{
DataSource: &models.DataSource{
JsonData: simplejson.NewFromAny(map[string]interface{}{
"subscriptionId": "default-subscription",
}),
},
Model: simplejson.NewFromAny(map[string]interface{}{
"subscription": "12345678-aaaa-bbbb-cccc-123456789abc",
"azureMonitor": map[string]interface{}{
"timeGrain": "PT1M",
"aggregation": "Average",
"resourceGroup": "grafanastaging",
"resourceName": "grafana",
"metricDefinition": "Microsoft.Compute/virtualMachines",
"metricNamespace": "Microsoft.Compute-virtualMachines",
"metricName": "Percentage CPU",
"top": "10",
"alias": "testalias",
"queryType": "Azure Monitor",
},
}),
RefId: "A",
},
},
}
Convey("and is a normal query", func() {
queries, err := datasource.buildQueries(tsdbQuery.Queries, tsdbQuery.TimeRange)
So(err, ShouldBeNil)
So(len(queries), ShouldEqual, 1)
So(queries[0].RefID, ShouldEqual, "A")
So(queries[0].URL, ShouldEqual, "12345678-aaaa-bbbb-cccc-123456789abc/resourceGroups/grafanastaging/providers/Microsoft.Compute/virtualMachines/grafana/providers/microsoft.insights/metrics")
So(queries[0].Target, ShouldEqual, "aggregation=Average&api-version=2018-01-01&interval=PT1M&metricnames=Percentage+CPU&metricnamespace=Microsoft.Compute-virtualMachines&timespan=2018-03-15T13%3A00%3A00Z%2F2018-03-15T13%3A34%3A00Z")
So(len(queries[0].Params), ShouldEqual, 6)
So(queries[0].Params["timespan"][0], ShouldEqual, "2018-03-15T13:00:00Z/2018-03-15T13:34:00Z")
So(queries[0].Params["api-version"][0], ShouldEqual, "2018-01-01")
So(queries[0].Params["aggregation"][0], ShouldEqual, "Average")
So(queries[0].Params["metricnames"][0], ShouldEqual, "Percentage CPU")
So(queries[0].Params["interval"][0], ShouldEqual, "PT1M")
So(queries[0].Alias, ShouldEqual, "testalias")
})
Convey("and has a time grain set to auto", func() {
tsdbQuery.Queries[0].Model = simplejson.NewFromAny(map[string]interface{}{
"azureMonitor": map[string]interface{}{
"timeGrain": "auto",
"aggregation": "Average",
"resourceGroup": "grafanastaging",
"resourceName": "grafana",
"metricDefinition": "Microsoft.Compute/virtualMachines",
"metricNamespace": "Microsoft.Compute-virtualMachines",
"metricName": "Percentage CPU",
"alias": "testalias",
"queryType": "Azure Monitor",
},
})
tsdbQuery.Queries[0].IntervalMs = 400000
queries, err := datasource.buildQueries(tsdbQuery.Queries, tsdbQuery.TimeRange)
So(err, ShouldBeNil)
So(queries[0].Params["interval"][0], ShouldEqual, "PT15M")
})
Convey("and has a time grain set to auto and the metric has a limited list of allowed time grains", func() {
tsdbQuery.Queries[0].Model = simplejson.NewFromAny(map[string]interface{}{
"azureMonitor": map[string]interface{}{
"timeGrain": "auto",
"aggregation": "Average",
"resourceGroup": "grafanastaging",
"resourceName": "grafana",
"metricDefinition": "Microsoft.Compute/virtualMachines",
"metricNamespace": "Microsoft.Compute-virtualMachines",
"metricName": "Percentage CPU",
"alias": "testalias",
"queryType": "Azure Monitor",
"allowedTimeGrainsMs": []interface{}{"auto", json.Number("60000"), json.Number("300000")},
},
})
tsdbQuery.Queries[0].IntervalMs = 400000
queries, err := datasource.buildQueries(tsdbQuery.Queries, tsdbQuery.TimeRange)
So(err, ShouldBeNil)
So(queries[0].Params["interval"][0], ShouldEqual, "PT5M")
})
Convey("and has a dimension filter", func() {
tsdbQuery.Queries[0].Model = simplejson.NewFromAny(map[string]interface{}{
"azureMonitor": map[string]interface{}{
"timeGrain": "PT1M",
"aggregation": "Average",
"resourceGroup": "grafanastaging",
"resourceName": "grafana",
"metricDefinition": "Microsoft.Compute/virtualMachines",
"metricNamespace": "Microsoft.Compute-virtualMachines",
"metricName": "Percentage CPU",
"alias": "testalias",
"queryType": "Azure Monitor",
"dimension": "blob",
"dimensionFilter": "*",
"top": "30",
},
})
queries, err := datasource.buildQueries(tsdbQuery.Queries, tsdbQuery.TimeRange)
So(err, ShouldBeNil)
So(queries[0].Target, ShouldEqual, "%24filter=blob+eq+%27%2A%27&aggregation=Average&api-version=2018-01-01&interval=PT1M&metricnames=Percentage+CPU&metricnamespace=Microsoft.Compute-virtualMachines&timespan=2018-03-15T13%3A00%3A00Z%2F2018-03-15T13%3A34%3A00Z&top=30")
})
Convey("and has a dimension filter set to None", func() {
tsdbQuery.Queries[0].Model = simplejson.NewFromAny(map[string]interface{}{
"azureMonitor": map[string]interface{}{
"timeGrain": "PT1M",
"aggregation": "Average",
"resourceGroup": "grafanastaging",
"resourceName": "grafana",
"metricDefinition": "Microsoft.Compute/virtualMachines",
"metricNamespace": "Microsoft.Compute-virtualMachines",
"metricName": "Percentage CPU",
"alias": "testalias",
"queryType": "Azure Monitor",
"dimension": "None",
"dimensionFilter": "*",
"top": "10",
},
})
queries, err := datasource.buildQueries(tsdbQuery.Queries, tsdbQuery.TimeRange)
So(err, ShouldBeNil)
So(queries[0].Target, ShouldEqual, "aggregation=Average&api-version=2018-01-01&interval=PT1M&metricnames=Percentage+CPU&metricnamespace=Microsoft.Compute-virtualMachines&timespan=2018-03-15T13%3A00%3A00Z%2F2018-03-15T13%3A34%3A00Z")
})
})
Convey("Parse AzureMonitor API response in the time series format", func() {
Convey("when data from query aggregated as average to one time series", func() {
data, err := loadTestFile("azuremonitor/1-azure-monitor-response-avg.json")
So(err, ShouldBeNil)
So(data.Interval, ShouldEqual, "PT1M")
res := &tsdb.QueryResult{Meta: simplejson.New(), RefId: "A"}
query := &AzureMonitorQuery{
UrlComponents: map[string]string{
"resourceName": "grafana",
},
Params: url.Values{
"aggregation": {"Average"},
},
}
err = datasource.parseResponse(res, data, query)
So(err, ShouldBeNil)
So(len(res.Series), ShouldEqual, 1)
So(res.Series[0].Name, ShouldEqual, "grafana.Percentage CPU")
So(len(res.Series[0].Points), ShouldEqual, 5)
So(res.Series[0].Points[0][0].Float64, ShouldEqual, 2.0875)
So(res.Series[0].Points[0][1].Float64, ShouldEqual, int64(1549620780000))
So(res.Series[0].Points[1][0].Float64, ShouldEqual, 2.1525)
So(res.Series[0].Points[1][1].Float64, ShouldEqual, int64(1549620840000))
So(res.Series[0].Points[2][0].Float64, ShouldEqual, 2.155)
So(res.Series[0].Points[2][1].Float64, ShouldEqual, int64(1549620900000))
So(res.Series[0].Points[3][0].Float64, ShouldEqual, 3.6925)
So(res.Series[0].Points[3][1].Float64, ShouldEqual, int64(1549620960000))
So(res.Series[0].Points[4][0].Float64, ShouldEqual, 2.44)
So(res.Series[0].Points[4][1].Float64, ShouldEqual, int64(1549621020000))
})
Convey("when data from query aggregated as total to one time series", func() {
data, err := loadTestFile("azuremonitor/2-azure-monitor-response-total.json")
So(err, ShouldBeNil)
res := &tsdb.QueryResult{Meta: simplejson.New(), RefId: "A"}
query := &AzureMonitorQuery{
UrlComponents: map[string]string{
"resourceName": "grafana",
},
Params: url.Values{
"aggregation": {"Total"},
},
}
err = datasource.parseResponse(res, data, query)
So(err, ShouldBeNil)
So(res.Series[0].Points[0][0].Float64, ShouldEqual, 8.26)
So(res.Series[0].Points[0][1].Float64, ShouldEqual, int64(1549718940000))
})
Convey("when data from query aggregated as maximum to one time series", func() {
data, err := loadTestFile("azuremonitor/3-azure-monitor-response-maximum.json")
So(err, ShouldBeNil)
res := &tsdb.QueryResult{Meta: simplejson.New(), RefId: "A"}
query := &AzureMonitorQuery{
UrlComponents: map[string]string{
"resourceName": "grafana",
},
Params: url.Values{
"aggregation": {"Maximum"},
},
}
err = datasource.parseResponse(res, data, query)
So(err, ShouldBeNil)
So(res.Series[0].Points[0][0].Float64, ShouldEqual, 3.07)
So(res.Series[0].Points[0][1].Float64, ShouldEqual, int64(1549722360000))
})
Convey("when data from query aggregated as minimum to one time series", func() {
data, err := loadTestFile("azuremonitor/4-azure-monitor-response-minimum.json")
So(err, ShouldBeNil)
res := &tsdb.QueryResult{Meta: simplejson.New(), RefId: "A"}
query := &AzureMonitorQuery{
UrlComponents: map[string]string{
"resourceName": "grafana",
},
Params: url.Values{
"aggregation": {"Minimum"},
},
}
err = datasource.parseResponse(res, data, query)
So(err, ShouldBeNil)
So(res.Series[0].Points[0][0].Float64, ShouldEqual, 1.51)
So(res.Series[0].Points[0][1].Float64, ShouldEqual, int64(1549723380000))
})
Convey("when data from query aggregated as Count to one time series", func() {
data, err := loadTestFile("azuremonitor/5-azure-monitor-response-count.json")
So(err, ShouldBeNil)
res := &tsdb.QueryResult{Meta: simplejson.New(), RefId: "A"}
query := &AzureMonitorQuery{
UrlComponents: map[string]string{
"resourceName": "grafana",
},
Params: url.Values{
"aggregation": {"Count"},
},
}
err = datasource.parseResponse(res, data, query)
So(err, ShouldBeNil)
So(res.Series[0].Points[0][0].Float64, ShouldEqual, 4)
So(res.Series[0].Points[0][1].Float64, ShouldEqual, int64(1549723440000))
})
Convey("when data from query aggregated as total and has dimension filter", func() {
data, err := loadTestFile("azuremonitor/6-azure-monitor-response-multi-dimension.json")
So(err, ShouldBeNil)
res := &tsdb.QueryResult{Meta: simplejson.New(), RefId: "A"}
query := &AzureMonitorQuery{
UrlComponents: map[string]string{
"resourceName": "grafana",
},
Params: url.Values{
"aggregation": {"Average"},
},
}
err = datasource.parseResponse(res, data, query)
So(err, ShouldBeNil)
So(len(res.Series), ShouldEqual, 3)
So(res.Series[0].Name, ShouldEqual, "grafana{blobtype=PageBlob}.Blob Count")
So(res.Series[0].Points[0][0].Float64, ShouldEqual, 3)
So(res.Series[1].Name, ShouldEqual, "grafana{blobtype=BlockBlob}.Blob Count")
So(res.Series[1].Points[0][0].Float64, ShouldEqual, 1)
So(res.Series[2].Name, ShouldEqual, "grafana{blobtype=Azure Data Lake Storage}.Blob Count")
So(res.Series[2].Points[0][0].Float64, ShouldEqual, 0)
})
Convey("when data from query has alias patterns", func() {
data, err := loadTestFile("azuremonitor/2-azure-monitor-response-total.json")
So(err, ShouldBeNil)
res := &tsdb.QueryResult{Meta: simplejson.New(), RefId: "A"}
query := &AzureMonitorQuery{
Alias: "custom {{resourcegroup}} {{namespace}} {{resourceName}} {{metric}}",
UrlComponents: map[string]string{
"resourceName": "grafana",
},
Params: url.Values{
"aggregation": {"Total"},
},
}
err = datasource.parseResponse(res, data, query)
So(err, ShouldBeNil)
So(res.Series[0].Name, ShouldEqual, "custom grafanastaging Microsoft.Compute/virtualMachines grafana Percentage CPU")
})
Convey("when data has dimension filters and alias patterns", func() {
data, err := loadTestFile("azuremonitor/6-azure-monitor-response-multi-dimension.json")
So(err, ShouldBeNil)
res := &tsdb.QueryResult{Meta: simplejson.New(), RefId: "A"}
query := &AzureMonitorQuery{
Alias: "{{dimensionname}}={{DimensionValue}}",
UrlComponents: map[string]string{
"resourceName": "grafana",
},
Params: url.Values{
"aggregation": {"Average"},
},
}
err = datasource.parseResponse(res, data, query)
So(err, ShouldBeNil)
So(res.Series[0].Name, ShouldEqual, "blobtype=PageBlob")
So(res.Series[1].Name, ShouldEqual, "blobtype=BlockBlob")
So(res.Series[2].Name, ShouldEqual, "blobtype=Azure Data Lake Storage")
})
})
Convey("Find closest allowed interval for auto time grain", func() {
intervals := map[string]int64{
"3m": 180000,
"5m": 300000,
"10m": 600000,
"15m": 900000,
"1d": 86400000,
"2d": 172800000,
}
closest := findClosestAllowedIntervalMS(intervals["3m"], []int64{})
So(closest, ShouldEqual, intervals["5m"])
closest = findClosestAllowedIntervalMS(intervals["10m"], []int64{})
So(closest, ShouldEqual, intervals["15m"])
closest = findClosestAllowedIntervalMS(intervals["2d"], []int64{})
So(closest, ShouldEqual, intervals["1d"])
closest = findClosestAllowedIntervalMS(intervals["3m"], []int64{intervals["1d"]})
So(closest, ShouldEqual, intervals["1d"])
})
})
}
func loadTestFile(name string) (AzureMonitorResponse, error) {
var data AzureMonitorResponse
path := filepath.Join("testdata", name)
jsonBody, err := ioutil.ReadFile(path)
if err != nil {
return data, err
}
err = json.Unmarshal(jsonBody, &data)
return data, err
}