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Merge pull request #203 from bigchaindb/add-release_eips-script

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Put release_eips.py back
This commit is contained in:
Troy McConaghy 2016-04-20 23:08:04 +02:00
commit e9bc552bb1
2 changed files with 53 additions and 2 deletions
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43
deploy-cluster-aws/release_eips.py Normal file
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@ -0,0 +1,43 @@
# -*- coding: utf-8 -*-
"""Release all allocated but non-associated elastic IP addresses
(EIPs). Why? From the AWS docs:
``To ensure efficient use of Elastic IP addresses, we impose a small
hourly charge if an Elastic IP address is not associated with a
running instance, or if it is associated with a stopped instance or
an unattached network interface. While your instance is running,
you are not charged for one Elastic IP address associated with the
instance, but you are charged for any additional Elastic IP
addresses associated with the instance. For more information, see
Amazon EC2 Pricing.''
Source: http://tinyurl.com/ozhxatx
"""
from __future__ import unicode_literals
import boto3
from awscommon import get_naeips
# Get an AWS EC2 "resource"
# See http://boto3.readthedocs.org/en/latest/guide/resources.html
ec2 = boto3.resource(service_name='ec2')
# Create a client from the EC2 resource
# See http://boto3.readthedocs.org/en/latest/guide/clients.html
client = ec2.meta.client
non_associated_eips = get_naeips(client)
print('You have {} allocated elactic IPs which are '
'not associated with instances'.
format(len(non_associated_eips)))
for i, eip in enumerate(non_associated_eips):
public_ip = eip['PublicIp']
print('{}: Releasing {}'.format(i, public_ip))
domain = eip['Domain']
print('(It has Domain = {}.)'.format(domain))
if domain == 'vpc':
client.release_address(AllocationId=eip['AllocationId'])
else:
client.release_address(PublicIp=public_ip)

12
docs/source/deploy-on-aws.md
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@ -122,9 +122,17 @@ bigchaindb --help
bigchaindb show-config
```
There are fees associated with running instances on EC2, so if you're not using them, you should terminate them. You can do that from the AWS EC2 Console.
There are fees associated with running instances on EC2, so if you're not using them, you should terminate them. You can do that using the AWS EC2 Console.
The same is true of your allocated elastic IP addresses. There's a small fee to keep them allocated if they're not associated with a running instance. You can release them from the AWS EC2 Console.
The same is true of your allocated elastic IP addresses. There's a small fee to keep them allocated if they're not associated with a running instance. You can release them using the AWS EC2 Console, or by using a handy little script named `release_eips.py`. For example:
```text
$ python release_eips.py
You have 2 allocated elactic IPs which are not associated with instances
0: Releasing 52.58.110.110
(It has Domain = vpc.)
1: Releasing 52.58.107.211
(It has Domain = vpc.)
```
## Known Deployment Issues