def restore_state(instance, old_state):
if old_state == 'stopped':
client.stop_instances(InstanceIds=[instance.id])
print("Awaiting instance stop...")
awslib.await_instance(client, instance.id, None, old_state)
else:
print("Unrecognized initial state %s, cannot restore state!" % old_state)
def ensure_started(instance):
state = instance.state['Name']
if state == 'running':
return False
if not prompt("Instance is currently %s, attempt to start it?" % state):
print("Cannot connect to stopped instance!")
sys.exit(1)
client.start_instances(InstanceIds=[instance.id])
print("Awaiting instance start...")
awslib.await_instance(client, instance.id, None, 'running')
return state
r = ec2.run_instances(
ImageId=image_id,
MinCount=1,
MaxCount=1,
KeyName='Main Key Pair',
SecurityGroups=['web-server-secure'],
UserData=userData,
# t3 gets us "nitro" NVME EBS and is cheaper than t2.
InstanceType='t3.large',
Placement={'AvailabilityZone': availability_zone},
)
webServerInstanceId = r['Instances'][0]['InstanceId']
awslib.await_instance(ec2, webServerInstanceId, 'pending', 'running')
print(' State is running.')
print('Tagging web server instance...')
instances = ec2_resource.instances.filter(InstanceIds=[webServerInstanceId])
webServerInstance = list(instances)[0]
ec2.create_tags(Resources=[webServerInstanceId],
Tags=[{
'Key': 'web-server',
'Value': str(datetime.now()),
}, {
'Key': 'channel',
'Value': channel,
image_id = images['Images'][0]['ImageId']
r = client.run_instances(
ImageId=image_id,
MinCount=1,
MaxCount=1,
KeyName='Main Key Pair',
SecurityGroups=['web-server'],
UserData=userData,
InstanceType='t2.large',
Placement={'AvailabilityZone': availability_zone},
)
webServerInstanceId = r['Instances'][0]['InstanceId']
awslib.await_instance(client, webServerInstanceId, 'pending', 'running')
print ' State is running.'
print 'Tagging web server instance...'
instances = ec2.instances.filter(InstanceIds=[webServerInstanceId])
webServerInstance = list(instances)[0]
client.create_tags(Resources=[webServerInstanceId], Tags=[{
'Key': 'web-server',
'Value': str(datetime.now()),
}, {
'Key': 'channel',
'Value': channel,
}])
