def provision_instance(itype=None, ami=None, security_group=None, ssh_key=None):
"""
Provisions and instance and returns the instance object
"""
print "Launching {} instance with ami {}.".format(itype, ami)
conn = connect_ec2()
res = conn.run_instances(ami, key_name=ssh_key, security_groups=[security_group], instance_type=itype,
instance_initiated_shutdown_behavior='terminate')
return res.instances[0]
def list_instances():
"""
Lists all instances
"""
conn = connect_ec2()
res = conn.get_all_instances()
if len(res) == 0:
print('No instances')
instances = chain.from_iterable([r.instances for r in res])
for i in instances:
print('Instance: {}. Status: {}'.format(i, i.state))
def list_instances():
"""
Lists all instances
"""
conn = connect_ec2()
res = conn.get_all_instances()
if len(res) == 0:
print('No instances')
instances = chain.from_iterable([r.instances for r in res])
for i in instances:
print('Instance: {}. Status: {}'.format(i, i.state))
def provision_instance(itype=None,
ami=None,
security_group=None,
ssh_key=None):
"""
Provisions and instance and returns the instance object
"""
print "Launching {} instance with ami {}.".format(itype, ami)
conn = connect_ec2()
res = conn.run_instances(ami,
key_name=ssh_key,
security_groups=[security_group],
instance_type=itype,
instance_initiated_shutdown_behavior='terminate')
return res.instances[0]
def _get_existing_instance(instance_id):
"""
Gets an existing instance object
"""
conn = connect_ec2()
res = [r for r in conn.get_all_instances(instance_id)]
if len(res) == 0:
print 'Instance not found. Aborting'
sys.exit(1)
elif len(res) > 1:
print 'Multiple instances found. Aborting'
sys.exit(1)
elif len(res) == 1:
# We're assuming that each reservation only has one instance
# Not considering the case where a reservation can have multiple instances
instance = res[0].instances[0]
return instance
def _get_existing_instance(instance_id):
"""
Gets an existing instance object
"""
conn = connect_ec2()
res = [r for r in conn.get_all_instances(instance_id)]
if len(res) == 0:
print 'Instance not found. Aborting'
sys.exit(1)
elif len(res) > 1:
print 'Multiple instances found. Aborting'
sys.exit(1)
elif len(res) == 1:
# We're assuming that each reservation only has one instance
# Not considering the case where a reservation can have multiple instances
instance = res[0].instances[0]
return instance
