/
cpu_utilization_panel.go
239 lines (211 loc) · 7.95 KB
/
cpu_utilization_panel.go
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package EC2
import (
"encoding/json"
"fmt"
"github.com/Appkube-awsx/awsx-common/authenticate"
"github.com/Appkube-awsx/awsx-common/awsclient"
"github.com/Appkube-awsx/awsx-common/cmdb"
"github.com/Appkube-awsx/awsx-common/config"
"github.com/Appkube-awsx/awsx-common/model"
"github.com/aws/aws-sdk-go/aws"
"log"
"time"
"github.com/aws/aws-sdk-go/service/cloudwatch"
"github.com/spf13/cobra"
)
type Result struct {
CurrentUsage float64 `json:"currentUsage"`
AverageUsage float64 `json:"averageUsage"`
MaxUsage float64 `json:"maxUsage"`
}
var AwsxEc2CpuUtilizationCmd = &cobra.Command{
Use: "cpu_utilization_panel",
Short: "get cpu utilization metrics data",
Long: `command to get cpu utilization metrics data`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("running from child command")
var authFlag, clientAuth, err = authenticate.AuthenticateCommand(cmd)
if err != nil {
log.Printf("Error during authentication: %v\n", err)
err := cmd.Help()
if err != nil {
return
}
return
}
if authFlag {
responseType, _ := cmd.PersistentFlags().GetString("responseType")
jsonResp, cloudwatchMetricResp, err := GetCpuUtilizationPanel(cmd, clientAuth, nil)
if err != nil {
log.Println("Error getting cpu utilization: ", err)
return
}
if responseType == "frame" {
fmt.Println(cloudwatchMetricResp)
} else {
// default case. it prints json
fmt.Println(jsonResp)
}
}
},
}
func GetCpuUtilizationPanel(cmd *cobra.Command, clientAuth *model.Auth, cloudWatchClient *cloudwatch.CloudWatch) (string, map[string]*cloudwatch.GetMetricDataOutput, error) {
elementId, _ := cmd.PersistentFlags().GetString("elementId")
elementType, _ := cmd.PersistentFlags().GetString("elementType")
cmdbApiUrl, _ := cmd.PersistentFlags().GetString("cmdbApiUrl")
instanceId, _ := cmd.PersistentFlags().GetString("instanceId")
if elementId != "" {
log.Println("getting cloud-element data from cmdb")
apiUrl := cmdbApiUrl
if cmdbApiUrl == "" {
log.Println("using default cmdb url")
apiUrl = config.CmdbUrl
}
log.Println("cmdb url: " + apiUrl)
cmdbData, err := cmdb.GetCloudElementData(apiUrl, elementId)
if err != nil {
return "", nil, err
}
instanceId = cmdbData.InstanceId
}
startTimeStr, _ := cmd.PersistentFlags().GetString("startTime")
endTimeStr, _ := cmd.PersistentFlags().GetString("endTime")
var startTime, endTime *time.Time
// Parse start time if provided
if startTimeStr != "" {
parsedStartTime, err := time.Parse(time.RFC3339, startTimeStr)
if err != nil {
log.Printf("Error parsing start time: %v", err)
err := cmd.Help()
if err != nil {
return "", nil, err
}
return "", nil, err
}
startTime = &parsedStartTime
} else {
defaultStartTime := time.Now().Add(-15 * time.Minute)
startTime = &defaultStartTime
}
if endTimeStr != "" {
parsedEndTime, err := time.Parse(time.RFC3339, endTimeStr)
if err != nil {
log.Printf("Error parsing end time: %v", err)
err := cmd.Help()
if err != nil {
return "", nil, err
}
return "", nil, err
}
endTime = &parsedEndTime
} else {
defaultEndTime := time.Now()
endTime = &defaultEndTime
}
cloudwatchMetricData := map[string]*cloudwatch.GetMetricDataOutput{}
//if queryName == "cpu_utilization_panel" {
currentUsage, err := GetCpuUtilizationMetricData(clientAuth, instanceId, elementType, startTime, endTime, "SampleCount", cloudWatchClient)
if err != nil {
log.Println("Error in getting sample count: ", err)
return "", nil, err
}
if len(currentUsage.MetricDataResults) > 0 && len(currentUsage.MetricDataResults[0].Values) > 0 {
cloudwatchMetricData["CurrentUsage"] = currentUsage
} else {
log.Println("No data available for current Usage")
}
// Get average usage
averageUsage, err := GetCpuUtilizationMetricData(clientAuth, instanceId, elementType, startTime, endTime, "Average", cloudWatchClient)
if err != nil {
log.Println("Error in getting average: ", err)
return "", nil, err
}
if len(averageUsage.MetricDataResults) > 0 && len(averageUsage.MetricDataResults[0].Values) > 0 {
cloudwatchMetricData["AverageUsage"] = averageUsage
} else {
log.Println("No data available for average Usage")
}
// Get max usage
maxUsage, err := GetCpuUtilizationMetricData(clientAuth, instanceId, elementType, startTime, endTime, "Maximum", cloudWatchClient)
if err != nil {
log.Println("Error in getting maximum: ", err)
return "", nil, err
}
if len(maxUsage.MetricDataResults) > 0 && len(maxUsage.MetricDataResults[0].Values) > 0 {
cloudwatchMetricData["MaxUsage"] = maxUsage
} else {
log.Println("No data available for maximum Usage")
}
jsonOutput := make(map[string]float64)
if len(currentUsage.MetricDataResults) > 0 && len(currentUsage.MetricDataResults[0].Values) > 0 {
jsonOutput["CurrentUsage"] = *currentUsage.MetricDataResults[0].Values[0]
}
if len(averageUsage.MetricDataResults) > 0 && len(averageUsage.MetricDataResults[0].Values) > 0 {
jsonOutput["AverageUsage"] = *averageUsage.MetricDataResults[0].Values[0]
}
if len(maxUsage.MetricDataResults) > 0 && len(maxUsage.MetricDataResults[0].Values) > 0 {
jsonOutput["MaxUsage"] = *maxUsage.MetricDataResults[0].Values[0]
}
jsonString, err := json.Marshal(jsonOutput)
if err != nil {
log.Println("Error in marshalling json in string: ", err)
return "", nil, err
}
return string(jsonString), cloudwatchMetricData, nil
}
func GetCpuUtilizationMetricData(clientAuth *model.Auth, instanceID, elementType string, startTime, endTime *time.Time, statistic string, cloudWatchClient *cloudwatch.CloudWatch) (*cloudwatch.GetMetricDataOutput, error) {
log.Printf("Getting metric data for instance %s in namespace %s from %v to %v", instanceID, elementType, startTime, endTime)
elmType := "AWS/EC2"
if elementType == "EC2" {
elmType = "AWS/" + elementType
}
input := &cloudwatch.GetMetricDataInput{
EndTime: endTime,
StartTime: startTime,
MetricDataQueries: []*cloudwatch.MetricDataQuery{
{
Id: aws.String("m1"),
MetricStat: &cloudwatch.MetricStat{
Metric: &cloudwatch.Metric{
Dimensions: []*cloudwatch.Dimension{
{
Name: aws.String("InstanceId"),
Value: aws.String(instanceID),
},
},
MetricName: aws.String("CPUUtilization"),
Namespace: aws.String(elmType),
},
Period: aws.Int64(300),
Stat: aws.String(statistic),
},
},
},
}
if cloudWatchClient == nil {
cloudWatchClient = awsclient.GetClient(*clientAuth, awsclient.CLOUDWATCH).(*cloudwatch.CloudWatch)
}
result, err := cloudWatchClient.GetMetricData(input)
if err != nil {
return nil, err
}
return result, nil
}
func init() {
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("elementId", "", "element id")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("elementType", "", "element type")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("query", "", "query")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("cmdbApiUrl", "", "cmdb api")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("vaultUrl", "", "vault end point")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("vaultToken", "", "vault token")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("zone", "", "aws region")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("accessKey", "", "aws access key")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("secretKey", "", "aws secret key")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("crossAccountRoleArn", "", "aws cross account role arn")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("externalId", "", "aws external id")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("cloudWatchQueries", "", "aws cloudwatch metric queries")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("instanceId", "", "instance id")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("startTime", "", "start time")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("endTime", "", "endcl time")
AwsxEc2CpuUtilizationCmd.PersistentFlags().String("responseType", "", "response type. json/frame")
}