diff options
Diffstat (limited to 'ec2-run-user-data.py')
| -rwxr-xr-x | ec2-run-user-data.py | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/ec2-run-user-data.py b/ec2-run-user-data.py index 428c270e..63820bed 100755 --- a/ec2-run-user-data.py +++ b/ec2-run-user-data.py @@ -36,21 +36,27 @@ def get_user_data(): return data def get_ami_id(): - url = 'http://169.254.169.254/%s/meta-data', % api_ver + url = 'http://169.254.169.254/%s/meta-data' % api_ver ami_id = urllib.urlopen('%s/ami-id/' %url).read() return ami_id user_data = get_user_data() amiId = get_ami_id() +filename = '/var/ec2/.already-ran.%s' % amiId -if user_data.startswith('#!'): - # run it - (fp, path) = tempfile.mkstemp() - os.write(fp,user_data) - os.close(fp); - os.chmod(path, 0700) - os.system('cp %s /var/ec2/user-data.%s' %(path, amiId)) - status = os.system('%s' % path) - os.unlink(path) +if os.path.exists(filename): + print "ec2-run-user-data already ran for this instance." + sys.exit(0) +else: + if user_data.startswith('#!'): + # run it + (fp, path) = tempfile.mkstemp() + os.write(fp,user_data) + os.close(fp); + os.chmod(path, 0700) + os.system('cp %s /var/ec2/user-data' %(path)) + status = os.system('%s' % path) + os.unlink(path) + os.system('touch /var/ec2/$s' %(filename)) sys.exit(0) |