In this article, I have given a code which can be used as reference while writing a program for EBS Volumes Metric alarm in AWS lambda python.
###########################################################################
#########
######### EBS Volumes
#########
###########################################################################
vol_id = instance.volumes.all()
for v in vol_id:
if logging_verbosity > 2:
print("Found EBS volume %s on instance %s" % (v.id, instanceid))
###############################################
#Create Metric "Volume Idle Time <= 30 sec (of 5 minutes) for 30 Minutes
severity = "Warning"
alarm_title = "Low_Volume_Idle_Time"
response = cw.put_metric_alarm(
AlarmName = "%s_%s_%s_%s_(Lambda)" % (severity, nameinstance, v.id, alarm_title),
#AlarmName="%s %s High Volume Activity Warning" % (v.id, instanceid),
AlarmDescription='Volume Idle Time <= 30 sec (of 5 minutes) for 30 Minutes',
ActionsEnabled=True,
AlarmActions=[
ec2_sns
],
MetricName='VolumeIdleTime',
Namespace='AWS/EBS',
Statistic='Average',
Dimensions=[
{
'Name': 'VolumeId',
'Value': v.id
},
],
Period=300,
EvaluationPeriods=6,
Threshold=30.0,
ComparisonOperator='LessThanOrEqualToThreshold'
)
if logging_verbosity > 9:
print (response)
###############################################
#Create Metric "Volume Idle Time <= 30 sec (of 5 minutes) for 60 Minutes
severity = "Critical"
alarm_title = "Low_Volume_Idle_Time"
response = cw.put_metric_alarm(
AlarmName = "%s_%s_%s_%s_(Lambda)" % (severity, nameinstance, v.id, alarm_title),
#AlarmName="%s %s High Volume Activity Critical" % (v.id, instanceid),
AlarmDescription='Volume Idle Time <= 30 sec (of 5 minutes) for 60 Minutes',
ActionsEnabled=True,
AlarmActions=[
ec2_sns
],
MetricName='VolumeIdleTime',
Namespace='AWS/EBS',
Statistic='Average',
Dimensions=[
{
'Name': 'VolumeId',
'Value': v.id
},
],
Period=300,
EvaluationPeriods=12,
Threshold=30.0,
ComparisonOperator='LessThanOrEqualToThreshold'
)
###########################################################################
#########
######### Instance Level EBS Metrics
#########
###########################################################################
# Nitro does not seem to provide these...
if (instance.hypervisor == 'xen'):
###############################################
#Create DiskWriteOps Alarms
severity = "Warning"
alarm_title = "DiskWriteOps"
response = cw.put_metric_alarm(
AlarmName = "%s_%s_%s_(Lambda)" % (severity, nameinstance, alarm_title),
#AlarmName = (nameinsta) +"_DiskWriteOps_(Lambda)",
AlarmDescription='DiskWriteOps ',
ActionsEnabled=True,
AlarmActions=[ec2_sns,],
MetricName='DiskWriteOps',
Namespace='AWS/EC2',
Statistic='Average',
Dimensions=[ {'Name': "InstanceId",'Value': instanceid},],
Period=900,
EvaluationPeriods=1,
Threshold=2500,
ComparisonOperator='GreaterThanOrEqualToThreshold'
)
if logging_verbosity > 9:
print (response)
###############################################
#Create DiskReadOps Alarms
severity = "Warning"
alarm_title = "DiskReadOps"
response = cw.put_metric_alarm(
AlarmName = "%s_%s_%s_(Lambda)" % (severity, nameinstance, alarm_title),
#AlarmName= (nameinsta) +"_DiskReadOps_(Lambda)",
AlarmDescription='DiskReadOps ',
ActionsEnabled=True,
AlarmActions=[ec2_sns,],
MetricName='DiskReadOps',
Namespace='AWS/EC2',
Statistic='Average',
Dimensions=[ {'Name': "InstanceId",'Value': instanceid},],
Period=900,
EvaluationPeriods=1,
Threshold=2500,
ComparisonOperator='GreaterThanOrEqualToThreshold'
)
if logging_verbosity > 9:
print (response)
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I hope you find this program useful to create EBS Volumes Metric alarm in AWS lambda python. Feel free to ask your valuable questions in the comments section below.
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