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Merge pull request #4368 from sayap/ec2_ami

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ec2_ami: Account for AWS's "eventual consistency" with AMI creation.
This commit is contained in:
Michael DeHaan 2013-10-07 06:09:34 -07:00
commit 686d998b26
1 changed files with 17 additions and 2 deletions
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17
library/cloud/ec2_ami
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@ -165,6 +165,7 @@ AWS_REGIONS = ['ap-northeast-1',
'us-west-2'] 'us-west-2']
try: try:
import boto
import boto.ec2 import boto.ec2
except ImportError: except ImportError:
print "failed=True msg='boto required for this module'" print "failed=True msg='boto required for this module'"
@ -195,8 +196,22 @@ def create_image(module, ec2):
except boto.exception.BotoServerError, e: except boto.exception.BotoServerError, e:
module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message)) module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message))
# wait here until the image is gone # Wait until the image is recognized. EC2 API has eventual consistency,
# such that a successful CreateImage API call doesn't guarantee the success
# of subsequent DescribeImages API call using the new image id returned.
for i in range(30):
try:
img = ec2.get_image(image_id) img = ec2.get_image(image_id)
break
except boto.exception.EC2ResponseError as e:
if e.error_code == 'InvalidAMIID.NotFound':
time.sleep(1)
else:
raise
else:
module.fail_json(msg = "timed out waiting for image to be recognized")
# wait here until the image is created
wait_timeout = time.time() + wait_timeout wait_timeout = time.time() + wait_timeout
while wait and wait_timeout > time.time() and (img is None or img.state != 'available'): while wait and wait_timeout > time.time() and (img is None or img.state != 'available'):
img = ec2.get_image(image_id) img = ec2.get_image(image_id)