grafana/pkg/tsdb/cloudwatch/metric_find_query_test.go
2019-02-05 18:37:05 +01:00

285 lines
8.6 KiB
Go

package cloudwatch
import (
"context"
"testing"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/cloudwatch"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/aws/aws-sdk-go/service/ec2/ec2iface"
"github.com/aws/aws-sdk-go/service/resourcegroupstaggingapi"
"github.com/aws/aws-sdk-go/service/resourcegroupstaggingapi/resourcegroupstaggingapiiface"
"github.com/bmizerany/assert"
"github.com/grafana/grafana/pkg/components/securejsondata"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/tsdb"
. "github.com/smartystreets/goconvey/convey"
)
type mockedEc2 struct {
ec2iface.EC2API
Resp ec2.DescribeInstancesOutput
RespRegions ec2.DescribeRegionsOutput
}
type mockedRGTA struct {
resourcegroupstaggingapiiface.ResourceGroupsTaggingAPIAPI
Resp resourcegroupstaggingapi.GetResourcesOutput
}
func (m mockedEc2) DescribeInstancesPages(in *ec2.DescribeInstancesInput, fn func(*ec2.DescribeInstancesOutput, bool) bool) error {
fn(&m.Resp, true)
return nil
}
func (m mockedEc2) DescribeRegions(in *ec2.DescribeRegionsInput) (*ec2.DescribeRegionsOutput, error) {
return &m.RespRegions, nil
}
func (m mockedRGTA) GetResourcesPages(in *resourcegroupstaggingapi.GetResourcesInput, fn func(*resourcegroupstaggingapi.GetResourcesOutput, bool) bool) error {
fn(&m.Resp, true)
return nil
}
func TestCloudWatchMetrics(t *testing.T) {
Convey("When calling getMetricsForCustomMetrics", t, func() {
dsInfo := &DatasourceInfo{
Region: "us-east-1",
Namespace: "Foo",
Profile: "default",
AssumeRoleArn: "",
}
f := func(dsInfo *DatasourceInfo) (cloudwatch.ListMetricsOutput, error) {
return cloudwatch.ListMetricsOutput{
Metrics: []*cloudwatch.Metric{
{
MetricName: aws.String("Test_MetricName"),
Dimensions: []*cloudwatch.Dimension{
{
Name: aws.String("Test_DimensionName"),
},
},
},
},
}, nil
}
metrics, _ := getMetricsForCustomMetrics(dsInfo, f)
Convey("Should contain Test_MetricName", func() {
So(metrics, ShouldContain, "Test_MetricName")
})
})
Convey("When calling getDimensionsForCustomMetrics", t, func() {
dsInfo := &DatasourceInfo{
Region: "us-east-1",
Namespace: "Foo",
Profile: "default",
AssumeRoleArn: "",
}
f := func(dsInfo *DatasourceInfo) (cloudwatch.ListMetricsOutput, error) {
return cloudwatch.ListMetricsOutput{
Metrics: []*cloudwatch.Metric{
{
MetricName: aws.String("Test_MetricName"),
Dimensions: []*cloudwatch.Dimension{
{
Name: aws.String("Test_DimensionName"),
},
},
},
},
}, nil
}
dimensionKeys, _ := getDimensionsForCustomMetrics(dsInfo, f)
Convey("Should contain Test_DimensionName", func() {
So(dimensionKeys, ShouldContain, "Test_DimensionName")
})
})
Convey("When calling handleGetRegions", t, func() {
executor := &CloudWatchExecutor{
ec2Svc: mockedEc2{RespRegions: ec2.DescribeRegionsOutput{
Regions: []*ec2.Region{
{
RegionName: aws.String("ap-northeast-2"),
},
},
}},
}
jsonData := simplejson.New()
jsonData.Set("defaultRegion", "default")
executor.DataSource = &models.DataSource{
JsonData: jsonData,
SecureJsonData: securejsondata.SecureJsonData{},
}
result, _ := executor.handleGetRegions(context.Background(), simplejson.New(), &tsdb.TsdbQuery{})
Convey("Should return regions", func() {
So(result[0].Text, ShouldEqual, "ap-northeast-1")
So(result[1].Text, ShouldEqual, "ap-northeast-2")
})
})
Convey("When calling handleGetEc2InstanceAttribute", t, func() {
executor := &CloudWatchExecutor{
ec2Svc: mockedEc2{Resp: ec2.DescribeInstancesOutput{
Reservations: []*ec2.Reservation{
{
Instances: []*ec2.Instance{
{
InstanceId: aws.String("i-12345678"),
Tags: []*ec2.Tag{
{
Key: aws.String("Environment"),
Value: aws.String("production"),
},
},
},
},
},
},
}},
}
json := simplejson.New()
json.Set("region", "us-east-1")
json.Set("attributeName", "InstanceId")
filters := make(map[string]interface{})
filters["tag:Environment"] = []string{"production"}
json.Set("filters", filters)
result, _ := executor.handleGetEc2InstanceAttribute(context.Background(), json, &tsdb.TsdbQuery{})
Convey("Should equal production InstanceId", func() {
So(result[0].Text, ShouldEqual, "i-12345678")
})
})
Convey("When calling handleGetEbsVolumeIds", t, func() {
executor := &CloudWatchExecutor{
ec2Svc: mockedEc2{Resp: ec2.DescribeInstancesOutput{
Reservations: []*ec2.Reservation{
{
Instances: []*ec2.Instance{
{
InstanceId: aws.String("i-1"),
BlockDeviceMappings: []*ec2.InstanceBlockDeviceMapping{
{Ebs: &ec2.EbsInstanceBlockDevice{VolumeId: aws.String("vol-1-1")}},
{Ebs: &ec2.EbsInstanceBlockDevice{VolumeId: aws.String("vol-1-2")}},
},
},
{
InstanceId: aws.String("i-2"),
BlockDeviceMappings: []*ec2.InstanceBlockDeviceMapping{
{Ebs: &ec2.EbsInstanceBlockDevice{VolumeId: aws.String("vol-2-1")}},
{Ebs: &ec2.EbsInstanceBlockDevice{VolumeId: aws.String("vol-2-2")}},
},
},
},
},
{
Instances: []*ec2.Instance{
{
InstanceId: aws.String("i-3"),
BlockDeviceMappings: []*ec2.InstanceBlockDeviceMapping{
{Ebs: &ec2.EbsInstanceBlockDevice{VolumeId: aws.String("vol-3-1")}},
{Ebs: &ec2.EbsInstanceBlockDevice{VolumeId: aws.String("vol-3-2")}},
},
},
{
InstanceId: aws.String("i-4"),
BlockDeviceMappings: []*ec2.InstanceBlockDeviceMapping{
{Ebs: &ec2.EbsInstanceBlockDevice{VolumeId: aws.String("vol-4-1")}},
{Ebs: &ec2.EbsInstanceBlockDevice{VolumeId: aws.String("vol-4-2")}},
},
},
},
},
},
}},
}
json := simplejson.New()
json.Set("region", "us-east-1")
json.Set("instanceId", "{i-1, i-2, i-3, i-4}")
result, _ := executor.handleGetEbsVolumeIds(context.Background(), json, &tsdb.TsdbQuery{})
Convey("Should return all 8 VolumeIds", func() {
So(len(result), ShouldEqual, 8)
So(result[0].Text, ShouldEqual, "vol-1-1")
So(result[1].Text, ShouldEqual, "vol-1-2")
So(result[2].Text, ShouldEqual, "vol-2-1")
So(result[3].Text, ShouldEqual, "vol-2-2")
So(result[4].Text, ShouldEqual, "vol-3-1")
So(result[5].Text, ShouldEqual, "vol-3-2")
So(result[6].Text, ShouldEqual, "vol-4-1")
So(result[7].Text, ShouldEqual, "vol-4-2")
})
})
Convey("When calling handleGetResourceArns", t, func() {
executor := &CloudWatchExecutor{
rgtaSvc: mockedRGTA{
Resp: resourcegroupstaggingapi.GetResourcesOutput{
ResourceTagMappingList: []*resourcegroupstaggingapi.ResourceTagMapping{
{
ResourceARN: aws.String("arn:aws:ec2:us-east-1:123456789012:instance/i-12345678901234567"),
Tags: []*resourcegroupstaggingapi.Tag{
{
Key: aws.String("Environment"),
Value: aws.String("production"),
},
},
},
{
ResourceARN: aws.String("arn:aws:ec2:us-east-1:123456789012:instance/i-76543210987654321"),
Tags: []*resourcegroupstaggingapi.Tag{
{
Key: aws.String("Environment"),
Value: aws.String("production"),
},
},
},
},
},
},
}
json := simplejson.New()
json.Set("region", "us-east-1")
json.Set("resourceType", "ec2:instance")
tags := make(map[string]interface{})
tags["Environment"] = []string{"production"}
json.Set("tags", tags)
result, _ := executor.handleGetResourceArns(context.Background(), json, &tsdb.TsdbQuery{})
Convey("Should return all two instances", func() {
So(result[0].Text, ShouldEqual, "arn:aws:ec2:us-east-1:123456789012:instance/i-12345678901234567")
So(result[0].Value, ShouldEqual, "arn:aws:ec2:us-east-1:123456789012:instance/i-12345678901234567")
So(result[1].Text, ShouldEqual, "arn:aws:ec2:us-east-1:123456789012:instance/i-76543210987654321")
So(result[1].Value, ShouldEqual, "arn:aws:ec2:us-east-1:123456789012:instance/i-76543210987654321")
})
})
}
func TestParseMultiSelectValue(t *testing.T) {
values := parseMultiSelectValue(" i-someInstance ")
assert.Equal(t, []string{"i-someInstance"}, values)
values = parseMultiSelectValue("{i-05}")
assert.Equal(t, []string{"i-05"}, values)
values = parseMultiSelectValue(" {i-01, i-03, i-04} ")
assert.Equal(t, []string{"i-01", "i-03", "i-04"}, values)
values = parseMultiSelectValue("i-{01}")
assert.Equal(t, []string{"i-{01}"}, values)
}