def rm_ec2():
"""
Terminates all spot instances, clear hosts file
"""
for s in SpotInstance.get_spot_instances(REGION,EC2_Tag):
print "terminating", s.status()
if s.instance_object and s.instance_object.state_code != 48:
s.terminate()
print "terminated"
with file("temp/hosts","w") as f:
f.write("")
def ls_ec2():
"""
Lists current EC2 instances with current Job tag, and stores their public_dns_name to hosts.
"""
with open('temp/hosts','w') as fh:
for i,instance in enumerate(SpotInstance.get_spot_instances(REGION,EC2_Tag)):
print instance.status()
if instance.public_dns_name:
fh.write(instance.public_dns_name+'\n')
print instance.public_dns_name
with open("temp/connect_"+str(i)+'.sh','w') as fssh:
fssh.write("#!/usr/bin/env sh\nssh -i "+env.key_filename+" "+env.user+'@'+instance.public_dns_name)
with lcd('temp'):
local('chmod a+x *.sh')
print "Information about current spot instance has been added to temp/hosts"
def get_ec2():
"""
Requests a spot EC2 instance
"""
spot = SpotInstance(REGION,EC2_Tag)
spot.request_instance(price,instance_type,image_id,key_name,USER_DATA,IAM_PROFILE,SPOT_REQUEST_VALID)
