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aws_data.py
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import json
import os
import requests
from boto.ec2.instancetype import InstanceType
from data_libs.aws_data_dal import AWS_OLD_INSTANCES_DATA_URL, AWS_INSTANCES_DATA_URL
from data_libs.aws_data_dal import get_aws_per_region_data, get_fresh_region_data, update_aws_data_region
# full file AWS_INSTANCES_DATA_URL =
# 'https://pricing.us-east-1.amazonaws.com/offers/v1.0/aws/AmazonEC2/current/{region}/index.json'
# light file (on demand only extract)
AWS_REGIONS_DATA_URL = 'https://d2xn1uj035lhvj.cloudfront.net/pricing/1.0/ec2/manifest.json'
AWS_REGIONS_LOCATIONS_DATA_PATH = '{cwd}/data/aws_data_regions_locations.json'.format(
cwd=os.path.dirname(os.path.abspath(__file__))
)
instance_types = {}
# Instance types from China (cn-north-1) region are not available like in others
instance_types['cn-north-1'] = {
InstanceType(name='t2.micro', cores='1', memory='1', disk='EBS only'),
InstanceType(name='t2.small', cores='1', memory='2', disk='EBS only'),
InstanceType(name='t2.medium', cores='2', memory='4', disk='EBS only'),
InstanceType(name='t2.large', cores='2', memory='8', disk='EBS only'),
InstanceType(name='t2.xlarge', cores='4', memory='16', disk='EBS only'),
InstanceType(name='t2.2xlarge', cores='8', memory='32', disk='EBS only'),
InstanceType(name='m4.large', cores='2', memory='8', disk='EBS only'),
InstanceType(name='m4.xlarge', cores='4', memory='16', disk='EBS only'),
InstanceType(name='m4.2xlarge', cores='8', memory='32', disk='EBS only'),
InstanceType(name='m4.4xlarge', cores='16', memory='64', disk='EBS only'),
InstanceType(name='m4.10xlarge', cores='40', memory='160', disk='EBS only'),
InstanceType(name='m4.16xlarge', cores='64', memory='256', disk='EBS only'),
InstanceType(name='m3.medium', cores='1', memory='3.75', disk='1 x 4 SSD'),
InstanceType(name='m3.large', cores='2', memory='7.5', disk='1 x 32 SSD'),
InstanceType(name='m3.xlarge', cores='4', memory='15', disk='2 x 40 SSD'),
InstanceType(name='m3.2xlarge', cores='8', memory='30', disk='2 x 80 SSD'),
InstanceType(name='c4.large', cores='2', memory='3.75', disk='EBS only'),
InstanceType(name='c4.xlarge', cores='4', memory='7.5', disk='EBS only'),
InstanceType(name='c4.2xlarge', cores='8', memory='15', disk='EBS only'),
InstanceType(name='c4.4xlarge', cores='16', memory='30', disk='EBS only'),
InstanceType(name='c4.8xlarge', cores='36', memory='60', disk='EBS only'),
InstanceType(name='c3.large', cores='2', memory='3.75', disk='2 x 16 SSD'),
InstanceType(name='c3.xlarge', cores='4', memory='7.5', disk='2 x 40 SSD'),
InstanceType(name='c3.2xlarge', cores='8', memory='15', disk='2 x 80 SSD'),
InstanceType(name='c3.4xlarge', cores='16', memory='30', disk='2 x 160 SSD'),
InstanceType(name='c3.8xlarge', cores='32', memory='60', disk='2 x 320 SSD'),
InstanceType(name='r3.large', cores='2', memory='15', disk='1 x 32 SSD'),
InstanceType(name='r3.xlarge', cores='4', memory='30.5', disk='1 x 80 SSD'),
InstanceType(name='r3.2xlarge', cores='8', memory='61', disk='1 x 160 SSD'),
InstanceType(name='r3.4xlarge', cores='16', memory='122', disk='1 x 320 SSD'),
InstanceType(name='r3.8xlarge', cores='32', memory='244', disk='2 x 320 SSD'),
InstanceType(name='r4.large', cores='2', memory='15.25', disk='EBS only'),
InstanceType(name='r4.xlarge', cores='4', memory='30.5', disk='EBS only'),
InstanceType(name='r4.2xlarge', cores='8', memory='61', disk='EBS only'),
InstanceType(name='r4.4xlarge', cores='16', memory='122', disk='EBS only'),
InstanceType(name='r4.8xlarge', cores='32', memory='244', disk='EBS only'),
InstanceType(name='r4.16xlarge', cores='64', memory='488', disk='EBS only'),
InstanceType(name='i2.xlarge', cores='4', memory='30.5', disk='1 x 800 SSD'),
InstanceType(name='i2.2xlarge', cores='8', memory='61', disk='2 x 800 SSD'),
InstanceType(name='i2.4xlarge', cores='16', memory='122', disk='4 x 800 SSD'),
InstanceType(name='i2.8xlarge', cores='32', memory='244', disk='8 x 800 SSD'),
} # yapf: disable
instance_types['cn-northwest-1'] = {
InstanceType(name='t2.micro', cores='1', memory='1', disk='EBS only'),
InstanceType(name='t2.small', cores='1', memory='2', disk='EBS only'),
InstanceType(name='t2.medium', cores='2', memory='4', disk='EBS only'),
InstanceType(name='t2.large', cores='2', memory='8', disk='EBS only'),
InstanceType(name='t2.xlarge', cores='4', memory='16', disk='EBS only'),
InstanceType(name='t2.2xlarge', cores='8', memory='32', disk='EBS only'),
InstanceType(name='m4.large', cores='2', memory='8', disk='EBS only'),
InstanceType(name='m4.xlarge', cores='4', memory='16', disk='EBS only'),
InstanceType(name='m4.2xlarge', cores='8', memory='32', disk='EBS only'),
InstanceType(name='m4.4xlarge', cores='16', memory='64', disk='EBS only'),
InstanceType(name='m4.10xlarge', cores='40', memory='160', disk='EBS only'),
InstanceType(name='m4.16xlarge', cores='64', memory='256', disk='EBS only'),
InstanceType(name='c4.large', cores='2', memory='3.75', disk='EBS only'),
InstanceType(name='c4.xlarge', cores='4', memory='7.5', disk='EBS only'),
InstanceType(name='c4.2xlarge', cores='8', memory='15', disk='EBS only'),
InstanceType(name='c4.4xlarge', cores='16', memory='30', disk='EBS only'),
InstanceType(name='c4.8xlarge', cores='36', memory='60', disk='EBS only'),
InstanceType(name='g3.4xlarge', cores='16', memory='122', disk='EBS only'),
InstanceType(name='g3.8xlarge', cores='32', memory='244', disk='EBS only'),
InstanceType(name='g3.16xlarge', cores='64', memory='488', disk='EBS only'),
InstanceType(name='r4.large', cores='2', memory='15.25', disk='EBS only'),
InstanceType(name='r4.xlarge', cores='4', memory='30.5', disk='EBS only'),
InstanceType(name='r4.2xlarge', cores='8', memory='61', disk='EBS only'),
InstanceType(name='r4.4xlarge', cores='16', memory='122', disk='EBS only'),
InstanceType(name='r4.8xlarge', cores='32', memory='244', disk='EBS only'),
InstanceType(name='r4.16xlarge', cores='64', memory='488', disk='EBS only'),
InstanceType(name='i2.xlarge', cores='4', memory='30.5', disk='1 x 800 SSD'),
InstanceType(name='i2.2xlarge', cores='8', memory='61', disk='2 x 800 SSD'),
InstanceType(name='i2.4xlarge', cores='16', memory='122', disk='4 x 800 SSD'),
InstanceType(name='i2.8xlarge', cores='32', memory='244', disk='8 x 800 SSD'),
} # yapf: disable
def load_regions_locations(filename):
"""
>>> locations = load_regions_locations(AWS_REGIONS_LOCATIONS_DATA_PATH)
>>> {'eu-west-3', 'cn-northwest-1', 'us-gov-west-1'} <= set(locations)
True
>>> u', '.join([locations['eu-west-3'], locations['cn-northwest-1'], locations['us-gov-west-1']])
u'EU (Paris), China (Ningxia), AWS GovCloud (US)'
>>> u', '.join([locations['sa-east-1']]).encode('ascii', errors='xmlcharrefreplace')
'South America (São Paulo)'
"""
with open(filename) as data_file:
locations = {
location_data.get('Region', ''): location_data.get('Location', '')
for location_data in json.load(data_file)
}
with requests.get(AWS_REGIONS_DATA_URL.format()) as api_regions:
region_list = api_regions.json()
supplementary_locations = {
region: region
for region in region_list['ec2'] if region not in locations.keys()
}
return dict(locations, **supplementary_locations)
regions_locations = load_regions_locations(AWS_REGIONS_LOCATIONS_DATA_PATH)
def get_aws_data(region):
try:
aws_db_data = get_aws_per_region_data(region)
if not aws_db_data:
raise Exception('Cannot get region {r}'.format(r=region))
return aws_db_data
except:
aws_db_data = {
'data_latest': get_fresh_region_data(region, AWS_INSTANCES_DATA_URL),
'data_previous': get_fresh_region_data(region, AWS_OLD_INSTANCES_DATA_URL),
}
try:
update_aws_data_region(region, aws_db_data['data_latest'], aws_db_data['data_previous'])
finally:
return aws_db_data
def load_instance_data(instance_types, regions):
"""
>>> instance_types = {}
>>> instance_types['cn-north-1'] = { InstanceType(name='t1.micro', cores='1', memory='0.613', disk='EBS only'), }
>>> locations = load_regions_locations(AWS_REGIONS_LOCATIONS_DATA_PATH)
>>> load_instance_data(instance_types, locations)
>>> { type.name: type for type in instance_types["cn-north-1"] }['t1.micro']
InstanceType:t1.micro-1,0.613,EBS only
>>> { type.name: type for type in instance_types["us-east-1"] }['t2.nano']
InstanceType:t2.nano-1,0.5 GiB,EBS only
>>> { type.name: type for type in instance_types["eu-west-1"] }['t3.xlarge']
InstanceType:t3.xlarge-4,16 GiB,EBS only
>>> { type.name: type for type in instance_types["eu-west-1"] }['t1.micro']
InstanceType:t1.micro-1,0.613 GiB,EBS only
>>> { type.name: type for type in instance_types["us-east-1"] }['c5.large']
InstanceType:c5.large-2,4 GiB,EBS only
"""
for region in regions:
if region not in instance_types:
instance_types[region] = []
aws_data = get_aws_data(region)
for region_data in [aws_data.get('data_latest', {}), aws_data.get('data_previous', {})]:
for p in region_data.get('prices', []):
size = p['attributes']
instance_types[region].append(InstanceType(name=size['aws:ec2:instanceType'],
cores=size['aws:ec2:vcpu'],
memory=size['aws:ec2:memory'],
disk=size['aws:ec2:storage']))
instance_types[region] = sorted(instance_types[region], key=lambda k: k.name)
load_instance_data(instance_types, regions_locations)