aws_ri_costs.py

"""
A simple script to compare AWS EC2 Reserved Instances to Linode. All cost totals are per year.

AWS Specs: http://aws.amazon.com/ec2/instance-types/
AWS Prices: http://aws.amazon.com/ec2/reserved-instances/#2 (US West)
Linode Prices: http://www.linode.com/

Script Output:

$ python aws_ri_costs.py


AWS AND LINODE SPECS  |             AWS             |          Linode          |
--------------------------------------------------------------------------------
Small                 | 1.7 GB RAM, 160 GB Storage  | 2 GB RAM, 96 GB Storage  |
Medium                | 3.75 GB RAM, 410 GB Storage | 4 GB RAM, 192 GB Storage |
Large                 | 7.5 GB RAM, 850 GB Storage  | 8 GB RAM, 384 GB Storage |


LIGHT UTILIZATION COSTS       |    AWS    |   Linode  |
-------------------------------------------------------
Small instance cost per year  |   $410.64 |   $959.40 |
Medium instance cost per year |   $821.28 | $1,919.40 |
Large instance cost per year  | $1,642.56 | $3,839.40 |

MEDIUM UTILIZATION COSTS      |    AWS    |   Linode  |
-------------------------------------------------------
Small instance cost per year  |   $370.24 |   $959.40 |
Medium instance cost per year |   $740.48 | $1,919.40 |
Large instance cost per year  | $1,480.96 | $3,839.40 |

HEAVY UTILIZATION COSTS       |    AWS    |   Linode  |
-------------------------------------------------------
Small instance cost per year  |   $335.16 |   $959.40 |
Medium instance cost per year |   $670.32 | $1,919.40 |
Large instance cost per year  | $1,603.44 | $3,839.40 |

"""

import locale
locale.setlocale(locale.LC_ALL, 'en_US')

aws_ri_costs = [
    ['Light', [
            ['Small', 69, 0.039, 959.4],
            ['Medium', 138, 0.078, 1919.4],
            ['Large', 276, 0.156, 3839.4]
        ]
    ],
    ['Medium', [
            ['Small', 160, 0.024, 959.4],
            ['Medium', 320, 0.048, 1919.4],
            ['Large', 640, 0.096, 3839.4]
        ]
    ],
    ['Heavy', [
            ['Small', 195, 0.016, 959.4],
            ['Medium', 390, 0.032, 1919.4],
            ['Large', 780, 0.094, 3839.4]
        ]
    ],
]

size_specs = [
    ['Small', '1.7 GB RAM, 160 GB Storage', '2 GB RAM, 96 GB Storage'],
    ['Medium', '3.75 GB RAM, 410 GB Storage', '4 GB RAM, 192 GB Storage'],
    ['Large', '7.5 GB RAM, 850 GB Storage', '8 GB RAM, 384 GB Storage']
]


def fc(number):
    """Format currency"""
    return "$" + locale.format("%.2f", number, grouping=True)


print
print "{:<23}|{:^29}|{:^26}|".format(str("\nAWS and Linode Specs").upper(), "AWS", "Linode")
print "-" * 80
for spec in size_specs:
    print "{:<22}| {:<28}| {:<25}|".format(spec[0], spec[1], spec[2])
print

for ri in aws_ri_costs:

    print
    print "{:<30}|    AWS    |   Linode  |".format(str("%s Utilization Costs" % ri[0]).upper())
    print "-" * 55

    for size in ri[1]:
        print "{:<29} |{:>10} |{:>10} |".format("%s instance cost per year" % size[0], fc(size[1] + (size[2] * 24) * 365), fc(size[3]))