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July 19, 2018 21:42
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Collect CloudWatch metrics for an EC2 instance in AWS using PowerShell
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| # Author : Jayan Kandathil (Adobe Managed Services) | |
| # Date : July 19, 2018 | |
| # https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_GetMetricStatistics.html | |
| # https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/ec2-metricscollected.html | |
| # https://aws.amazon.com/blogs/developer/writing-and-archiving-custom-metrics-using-amazon-cloudwatch-and-aws-tools-for-powershell/ | |
| # Get authentication credentials | |
| Set-AWSCredential -AccessKey YOURAWSACCESSKEY -SecretKey yOUR354aws39875358sECRET93453-96kEY -SessionToken yOURawssESSIONtOKENEaDKGld+XcXoR/yOUtHINKtHISiSreAL2XD1k9tgQ/TKIjhXXTXxM | |
| # Set Test Start Time and Test End Time (remember to adjust for your time zone - CloudWatch data is in UTC) | |
| $start = "2018-07-17T20:12:00Z" | |
| $end = "2018-07-18T20:12:00Z" | |
| $region = "us-west-2" | |
| $instanceid = "i-yourinstanceidea6a16" | |
| $logfilepath = "C:\TEMP\" | |
| $logfile = "EC2instance-Metadata.txt" | |
| # Set AWS Region | |
| Set-DefaultAWSRegion -Region $region | |
| $instance = (Get-EC2Instance -InstanceId $instanceid).Instances | |
| Add-Content -Path $logfilepath$logfile -Value $instance.InstanceId | |
| Add-Content -Path $logfilepath$logfile -Value $instance.InstanceType | |
| Add-Content -Path $logfilepath$logfile -Value $instance.LaunchTime.Date | |
| Add-Content -Path $logfilepath$logfile -Value $instance.Hypervisor | |
| Add-Content -Path $logfilepath$logfile -Value $instance.State.Name | |
| Add-Content -Path $logfilepath$logfile -Value $instance.VirtualizationType | |
| Add-Content -Path $logfilepath$logfile -Value $instance.CpuOptions.CoreCount | |
| Add-Content -Path $logfilepath$logfile -Value $instance.CpuOptions.ThreadsPerCore | |
| Add-Content -Path $logfilepath$logfile -Value $instance.EbsOptimized | |
| Add-Content -Path $logfilepath$logfile -Value $instance.ImageId | |
| Add-Content -Path $logfilepath$logfile -Value $instance.InstanceLifecycle | |
| Add-Content -Path $logfilepath$logfile -Value $instance.Placement.Affinity | |
| Add-Content -Path $logfilepath$logfile -Value $instance.Placement.SpreadDomain | |
| Add-Content -Path $logfilepath$logfile -Value $instance.Placement.AvailabilityZone | |
| Add-Content -Path $logfilepath$logfile -Value $instance.Placement.Tenancy | |
| Add-Content -Path $logfilepath$logfile -Value $instance.PrivateDnsName | |
| Add-Content -Path $logfilepath$logfile -Value $instance.PrivateIpAddress | |
| Add-Content -Path $logfilepath$logfile -Value $instance.PublicDnsName | |
| Add-Content -Path $logfilepath$logfile -Value $instance.PublicIpAddress | |
| Add-Content -Path $logfilepath$logfile -Value $instance.SriovNetSupport | |
| Add-Content -Path $logfilepath$logfile -Value $instance.VpcId | |
| Add-Content -Path $logfilepath$logfile -Value $instance.SubnetId | |
| $logentry ="" | |
| $blockdevicemappings = $instance.BlockDeviceMappings | |
| foreach ($mapping in $blockdevicemappings) | |
| { | |
| $logentry = $logentry + $mapping.Ebs.VolumeId + " | " | |
| } | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| $dimension = New-Object Amazon.CloudWatch.Model.Dimension | |
| $dimension.set_Name("InstanceId") | |
| $dimension.set_Value($instance.InstanceId) | |
| # ---- | |
| # CPU | |
| # ---- | |
| $logfile = "EC2instance-CPU_Percent.csv" | |
| # Get maximum CPU utilization by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName CPUUtilization -StartTime $start -EndTime $end -Period 60 -Statistic Maximum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Maximum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Maximum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } | |
| # --------- | |
| # READ Ops/Min (applies only if the instance has a direct-host-attached ephemeral drive) | |
| # --------- | |
| $logfile = "EC2instance-ephemeraldisks-READ_OpsPerMinute.csv" | |
| # Get READ ops by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName DiskReadOps -StartTime $start -EndTime $end -Period 60 -Statistic Sum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Sum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Sum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } | |
| # ------------- | |
| # WRITE Ops/Min (applies only if the instance has a direct-host-attached ephemeral drive) | |
| # ------------- | |
| $logfile = "EC2instance-ephemeraldisks-WRITE_OpsPerMinute.csv" | |
| # Get READ ops by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName DiskWriteOps -StartTime $start -EndTime $end -Period 60 -Statistic Sum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Sum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Sum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } | |
| # --------- | |
| # READ Bytes (applies only if the instance has a direct-host-attached ephemeral drive) | |
| # --------- | |
| $logfile = "EC2instance-ephemeraldisks-READ_Bytes.csv" | |
| # Get READ ops by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName DiskReadBytes -StartTime $start -EndTime $end -Period 60 -Statistic Sum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Sum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Sum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } | |
| # --------- | |
| # WRITE Bytes (applies only if the instance has a direct-host-attached ephemeral drive) | |
| # --------- | |
| $logfile = "EC2instance-ephemeraldisks-WRITE_Bytes.csv" | |
| # Get READ ops by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName DiskWriteBytes -StartTime $start -EndTime $end -Period 60 -Statistic Sum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Sum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Sum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } | |
| # ----------- | |
| # Network In | |
| # ----------- | |
| $logfile = "EC2instance-NetworkIn_Bytes.csv" | |
| # Get READ ops by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName NetworkIn -StartTime $start -EndTime $end -Period 60 -Statistic Sum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Sum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Sum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } | |
| # ----------- | |
| # Network Out | |
| # ----------- | |
| $logfile = "EC2instance-NetworkIn_Bytes.csv" | |
| # Get READ ops by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName NetworkOut -StartTime $start -EndTime $end -Period 60 -Statistic Sum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Sum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Sum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } | |
| # ---------------- | |
| # EBS READ Ops/Min | |
| # ---------------- | |
| $logfile = "EC2instance-EBSvolumes-READ_OpsPerMinute.csv" | |
| # Get READ ops by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName EBSReadOps -StartTime $start -EndTime $end -Period 60 -Statistic Sum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Sum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Sum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } | |
| # ------------------ | |
| # EBS WRITE Ops/Min | |
| # ----------------- | |
| $logfile = "EC2instance-EBSvolumes-WRITE_OpsPerMinute.csv" | |
| # Get READ ops by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName EBSWriteOps -StartTime $start -EndTime $end -Period 60 -Statistic Sum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Sum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Sum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } | |
| # -------------- | |
| # EBS READ Bytes | |
| # -------------- | |
| $logfile = "EC2instance-EBSvolumes-READ_Bytes.csv" | |
| # Get READ ops by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName EBSReadBytes -StartTime $start -EndTime $end -Period 60 -Statistic Sum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Sum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Sum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } | |
| # --------------- | |
| # EBS WRITE Bytes | |
| # --------------- | |
| $logfile = "EC2instance-EBSvolumes-WRITE_Bytes.csv" | |
| # Get READ ops by the minute | |
| $data = Get-CWMetricStatistic -Dimension $dimension -Namespace AWS/EC2 -MetricName EBSWriteBytes -StartTime $start -EndTime $end -Period 60 -Statistic Sum | |
| Write-Host -foregroundcolor Yellow "Number of datapoints is " $data.Datapoints.Count | |
| # Sort by timestamp | |
| $datapoints = $data.Datapoints | Sort-Object -Property Timestamp | |
| foreach ($datapoint in $datapoints) | |
| { | |
| # Print the observations to console | |
| [single]$datapoint.Sum | |
| $logentry = [string]$datapoint.Timestamp + "," + [single]$datapoint.Sum | |
| # Log the observations to file | |
| Add-Content -Path $logfilepath$logfile -Value $logentry | |
| } |
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