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EC2 instance loads my user data script but does not run it

code:

#!/usr/bin/env python

import boto.ec2

conn_ec2 = boto.ec2.connect_to_region('us-east-1') # access keys are environment vars

my_code = """#!/usr/bin/env python

import sys

sys.stdout = open('file', 'w')
print 'test'
"""
reservation = conn_ec2.run_instances(image_id = 'ami-a73264ce',
                                     key_name = 'backendkey',
                                     instance_type = 't1.micro',
                                     security_groups = ['backend'],
                                     instance_initiated_shutdown_behavior = 'terminate',
                                     user_data = my_code)

The instance starts up with the correct settings (this is public Ubuntu 12.04, 64-bit, image), and I can use SSH in it normally. The user script data seems to load correctly: I see this in /var/lib/cloud/instance/user-data.txt(and also in /var/lib/cloud/instance/scripts/part-001) and on the EC2 console.

But what he, the script does not seem to be running. After this answer, I checked the file /var/log/cloud-init.log, but it does not seem to contain error messages related to my script (well, maybe I am missing something - this is the essence of the contents of cloud-init.log).

What am I missing?

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( fh.read()), user_data _.

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, , - shebang, "#!/usr/bin/env python" http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/user-data.html : "#!/Bin/bash", "# -". , 2 shebangs. bash .

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