write_instances.py

#!/usr/bin/python
import urllib2
import json
import pprint

pp = pprint.PrettyPrinter(indent=4)

class instance_size:
  def __init__(self):
    pass

joes_intermed = dict()

urls = list()
for i in [ "", "previous-generation/" ]:
  for j in [ "mswin" , "linux" ]:
    urls.append("https://a0.awsstatic.com/pricing/1/deprecated/ec2/{}{}-od.json".format(i,j))

for url in urls:
  try:
    instances = json.loads(urllib2.urlopen(url).read())
  except:
    print url
    continue
  for i in instances['config']['regions']:
    region = i['region']
    types = i['instanceTypes']
#    print region # , types
    for itype in types:
#      print itype
      typename = itype['type']
      sizes = itype['sizes']
      for size in sizes:
#        print size
        instancename = size['size']
#        print instancename
        if instancename not in joes_intermed:
          joes_intermed[instancename] = dict()
          joes_intermed[instancename]['family'] = typename
          vcpu = int(size.get('vCPU',0))
          joes_intermed[instancename]['vCPU'] = vcpu
          joes_intermed[instancename]['instance_type'] = instancename
          joes_intermed[instancename]['ECU'] = float(vcpu * 2.75) # this is me bluffing
          joes_intermed[instancename]['memory'] = float(size.get('memoryGiB',0))
          joes_intermed[instancename]['arch'] = ['x86_64']
          joes_intermed[instancename]['vpc'] = dict()
          joes_intermed[instancename]['vpc']['ips_per_eni'] = 1
          joes_intermed[instancename]['vpc']['max_enis'] = 1
          joes_intermed[instancename]['network_performance'] = "Very Low"
          joes_intermed[instancename]['pricing'] = dict()
          joes_intermed[instancename]["ebs_optimized"] = False
          joes_intermed[instancename]["storage"] = dict()
          joes_intermed[instancename]["storage"]['ssd'] = ('SSD' in size.get('storageGB',''))
          try:
            joes_intermed[instancename]["storage"]['devices'] = int(size.get('storageGB','').split()[0])
            joes_intermed[instancename]["storage"]['size']    = int(size.get('storageGB','').split()[2])
          except:
            joes_intermed[instancename]["storage"]['devices'] = 0
            joes_intermed[instancename]["storage"]['size']    = 0

        if 2 == len(region.split('-')):
          region = region + "-1"

        if region not in joes_intermed[instancename]['pricing']:
          joes_intermed[instancename]['pricing'][region] = dict()
        for i in size['valueColumns']:
          os = i['name']
          price = i['prices']['USD']
          if 'os' == os:
            joes_intermed[instancename]['pricing'][region]['linux'] = price
            joes_intermed[instancename]['pricing'][region]['mswin'] = price
          else:
            joes_intermed[instancename]['pricing'][region][os] = price

ans = list()
for i in joes_intermed.itervalues():
  ans.append(i)
# pp.pprint(joes_intermed)
json.dump(ans, open('instances.json','w'))