77 lines
2.0 KiB
Python
77 lines
2.0 KiB
Python
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from pprint import pprint
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import boto
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# connect up parts of the Amazon infrastructure
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ec2 = boto.connect_ec2()
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cw = boto.connect_cloudwatch()
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rds = boto.connect_rds()
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def all_instances():
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reservations = ec2.get_all_instances()
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instances = [i for r in reservations for i in r.instances]
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return instances
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def all_zones():
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print ec2.get_all_zones()
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def all_rds():
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return rds.get_all_dbinstances()
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def instance(tag_name):
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try:
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return ec2.get_all_instances(filters={'tag:Name' : tag_name})[0].instances[0]
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except Exception, e:
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return None
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def console_output(instance):
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"""returnn console output of instance"""
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try:
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return instance.get_console_output().output
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except Exception, e:
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return None
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def instance_metrics(instance):
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"""metrics that apply to given instance"""
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metrics = cw.list_metrics()
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my_metrics = []
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for metric in metrics:
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if 'InstanceId' in metric.dimensions:
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if instance.id in metric.dimensions['InstanceId']:
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my_metrics.append(metric)
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return my_metrics
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# how to get average CPU utilization of web1?
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# filter(lambda x: x.name == 'CPUUtilization', m)
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# metric.query(start_time, end_time,'Average', period=6000)
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def instance_metric(instance, metric_name):
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m = instance_metrics(instance)
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return filter(lambda x: x.name == metric_name, m)
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def launch_time(instance):
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return boto.utils.parse_ts(instance.launch_time)
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def max_cpu(instance):
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pass
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def stats_for_instances(instances=None):
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"""return basic stats for input instances"""
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if instances is None:
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instances = all_instances()
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stats = []
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for instance in instances:
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instance.update() # to get latest update
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stats.append((instance.id, instance.key_name, instance.state, instance.ip_address, instance.dns_name))
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return stats
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if __name__ == '__main__':
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pprint (stats_for_instances(all_instances()))
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web1 = instance('web1')
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print instance_metrics(web1)
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