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new_flow_count_tls_panel.go
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new_flow_count_tls_panel.go
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package NLB
import (
"encoding/json"
"fmt"
"log"
"time"
"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"
"github.com/aws/aws-sdk-go/service/cloudwatch"
"github.com/spf13/cobra"
)
type NewFlowCountTLSData struct {
NewFlowCountTLS []struct {
Timestamp time.Time
Value float64
} `json:"NewFlowCountTLS"`
}
var AwsxNLBNewFlowCountTLSCmd = &cobra.Command{
Use: "new_flow_count_tls_panel",
Short: "Get NLB new flow count TLS metrics data",
Long: `Command to get NLB new flow count TLS 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 := GetNLBNewFlowCountTLSPanel(cmd, clientAuth, nil)
if err != nil {
log.Println("Error getting NLB new flow count TLS: ", err)
return
}
if responseType == "frame" {
fmt.Println(cloudwatchMetricResp)
} else {
// Default case. It prints JSON
fmt.Println(jsonResp)
}
}
},
}
func GetNLBNewFlowCountTLSPanel(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
if startTimeStr != "" {
parsedStartTime, err := time.Parse(time.RFC3339, startTimeStr)
if err != nil {
log.Printf("Error parsing start time: %v", err)
return "", nil, err
}
startTime = &parsedStartTime
} else {
defaultStartTime := time.Now().Add(-5 * time.Minute)
startTime = &defaultStartTime
}
if endTimeStr != "" {
parsedEndTime, err := time.Parse(time.RFC3339, endTimeStr)
if err != nil {
log.Printf("Error parsing end time: %v", err)
return "", nil, err
}
endTime = &parsedEndTime
} else {
defaultEndTime := time.Now()
endTime = &defaultEndTime
}
log.Printf("StartTime: %v, EndTime: %v", startTime, endTime)
cloudwatchMetricData := map[string]*cloudwatch.GetMetricDataOutput{}
// Fetch raw data
rawData, err := GetNLBNewFlowCountTLSMetricData(clientAuth, instanceId, elementType, startTime, endTime, "Sum", cloudWatchClient)
if err != nil {
log.Println("Error in getting NLB new flow count TLS data: ", err)
return "", nil, err
}
cloudwatchMetricData["NewFlowCountTLS"] = rawData
result := processNLBNewFlowCountTLSRawData(rawData)
jsonString, err := json.Marshal(result)
if err != nil {
log.Println("Error in marshalling json in string: ", err)
return "", nil, err
}
return string(jsonString), cloudwatchMetricData, nil
}
func GetNLBNewFlowCountTLSMetricData(clientAuth *model.Auth, instanceId, elementType string, startTime, endTime *time.Time, statistic string, cloudWatchClient *cloudwatch.CloudWatch) (*cloudwatch.GetMetricDataOutput, error) {
log.Printf("Getting metric data for NLB %s from %v to %v %v", instanceId, elementType, startTime, endTime)
elmType := "AWS/NetworkELB"
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("LoadBalancer"),
Value: aws.String(instanceId),
},
},
MetricName: aws.String("NewFlowCount_TLS"),
Namespace: aws.String(elmType),
},
Period: aws.Int64(60),
Stat: aws.String("Sum"),
},
},
},
}
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 processNLBNewFlowCountTLSRawData(result *cloudwatch.GetMetricDataOutput) NewFlowCountTLSData {
var rawData NewFlowCountTLSData
rawData.NewFlowCountTLS = make([]struct {
Timestamp time.Time
Value float64
}, len(result.MetricDataResults[0].Timestamps))
for i, timestamp := range result.MetricDataResults[0].Timestamps {
rawData.NewFlowCountTLS[i].Timestamp = *timestamp
rawData.NewFlowCountTLS[i].Value = *result.MetricDataResults[0].Values[i]
}
return rawData
}
func init() {
AwsxNLBNewFlowCountTLSCmd.PersistentFlags().String("instanceId", "", "instanceId")
AwsxNLBNewFlowCountTLSCmd.PersistentFlags().String("startTime", "", "start time")
AwsxNLBNewFlowCountTLSCmd.PersistentFlags().String("endTime", "", "end time")
AwsxNLBNewFlowCountTLSCmd.PersistentFlags().String("responseType", "", "response type. json/frame")
}