#!/usr/bin/env python
from faws.util import assert_pyversion
assert_pyversion()
def get_args():
import argparse
parser = argparse.ArgumentParser(
description="Describe EC2 instances",
epilog="Demo tool that exercises the DescribeInstances AWS API call",
formatter_class=argparse.RawDescriptionHelpFormatter,
)
parser.add_argument("-r", "--region", help="EC2 region")
return parser.parse_args()
if "__main__" == __name__:
from faws import Agent
agent = Agent()
future = agent.callf("DescribeInstances")
result = future.result()
for instance_id in result.tree().iter("instanceId"):
print(instance_id.text)
def get_args():
import argparse
parser = argparse.ArgumentParser(
description='List launch AMI for each instance ID',
epilog='Demo tool that demonstrates concurrent API access',
formatter_class=argparse.RawDescriptionHelpFormatter,
)
parser.add_argument('-r', '--region',
help='EC2 region')
return parser.parse_args()
if '__main__' == __name__:
from faws import Agent
agent = Agent()
instances_f = agent.callf('DescribeInstances')
images_f = agent.callf('DescribeImages')
# First make map of the AMIs of each instance
instances = instances_f.result()
instance_amis = dict()
for instance_item in instances.tree().xpath('//instancesSet/item'):
instance_id = instance_item.find('instanceId').text
image_id = instance_item.find('imageId').text
instance_amis[instance_id] = image_id
# Now get the names of each
ami_names = dict()
amis_to_check = set(instance_amis.values())
images = images_f.result()
for image_item in images.tree().xpath('//imagesSet/item'):
if len(amis_to_check) == 0:
break