doc: Rate prices (#67)

docs/choosing_an_instance_size.md

@@ -62,14 +62,19 @@ offers dedicated networking at known increments: 12Gbps (like the `c6g.8xlarge`
 Remember, at >=32vCPUs you're only getting 50% egress bandwidth so the effective values are really 6Gbps, 12.5Gbps,
 25Gbps, and 50Gbps
 
-Here's the instance types offering the best value at each of those additional levels:
-
-| Bandwidth | Instance type | Price per Month |
-| --------- | ------------- | --------------- |
-| 6Gbps     | c6g.8xlarge   | $794.42         |
-| 12.5Gbps  | m5n.8xlarge   | $1510.37        |
-| 25Gbps    | r6in.8xlarge  | $1074.56        |
-| 50Gbps    | c7gn.8xlarge  | $1457.66        |
+Here's the instance types offering the best value at each bandwidth level:
+
+| Bandwidth | Instance type | Price per Month | Price per Month per Gbps |
+| --------- | ------------- | --------------- | ------------------------ |
+| 32Mbps    | t4g.nano      | $    3.06       | $   95.63                |
+| 64Mbps    | t3.micro      | $    7.59       | $  118.59                |
+| 1.6Gbps   | c6gn.medium   | $   32.81       | $   20.51                |
+| 3.125Gbps | c7gn.medium   | $   48.25       | $   15.44                |
+| 5Gbps     | c7gn.large    | $  132.20       | $   26.44                |
+| 6Gbps     | c6g.8xlarge   | $  794.42       | $ 132.40                 |
+| 12.5Gbps  | m5n.8xlarge   | $ 1510.37       | $ 120.83                 |
+| 25Gbps    | r6in.8xlarge  | $ 1074.56       | $   42.98                |
+| 50Gbps    | c7gn.8xlarge  | $ 1457.66       | $   29.15                |
 
 As you can see, 6Gbps and 12.5Gbps are simply not economical options when compared to the best 5Gbps and 25Gbps
 options. So you're effectively looking at jumping straight from 5Gbps to 25Gbps if you need higher sustained
@@ -81,6 +86,9 @@ bandwidth.
     information from the pricing API then combine them along with a `max_egress` value that takes into account the
     rules above and a `ratio` value which is effectively Gbps per dollar and is used as a measurement of "value"
 
+    You can find the scripts below as well as the most recent output to run your own analysis on in the 
+    [`docs/pricing_analysis`](https://github.com/AndrewGuenther/fck-nat/tree/main/docs/pricing_analysis) folder
+
     ```shell
     aws ec2 describe-instance-types \
         --output json \
@@ -93,6 +101,7 @@ bandwidth.
         --filters "Type=TERM_MATCH,Field=location,Value=US East (N. Virginia)" \
         --region us-east-1 \
     | jq -rc '.PriceList[]' \
+    | jq -rc 'select(.product.productFamily=="Compute Instance")' \
     | jq -r '{ (.product.attributes.instanceType): { price: (.terms.OnDemand[].priceDimensions[].pricePerUnit.USD | tonumber) }}' \
     | jq -s add > instance-pricing.json
 

docs/pricing_analysis/instance-merged.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env /bin/bash
+jq -s '.[0] * .[1]' instance-pricing.json instance-networking.json \
+    | jq 'with_entries(select(.value | has("baseline") and has("price") and .price > 0.0))' \
+    | jq 'to_entries | map(.value |= . + {max_egress: (if .vcpus < 32 then ([.baseline, 5.0] | min) else .baseline / 2 end) }) | map(.value |= . + {ratio: (.max_egress / (.price | tonumber)), price_monthly: (.price * 730)}) | sort_by(.value.ratio) | from_entries' > instance-merged.json

docs/pricing_analysis/instance-networking.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env /bin/bash
+aws ec2 describe-instance-types \
+    --output json \
+    | jq '.InstanceTypes[] | { (.InstanceType): { vcpus: .VCpuInfo.DefaultVCpus, baseline: .NetworkInfo.NetworkCards[0].BaselineBandwidthInGbps, burst: .NetworkInfo.NetworkPerformance}}' \
+    | jq -s add > instance-networking.json

docs/pricing_analysis/instance-pricing.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env /bin/bash
+aws pricing get-products \
+    --service-code AmazonEC2 \
+    --filters "Type=TERM_MATCH,Field=location,Value=US East (N. Virginia)" \
+    --region us-east-1 \
+    | jq -rc '.PriceList[]' \
+    | jq -rc 'select(.product.productFamily=="Compute Instance")' \
+    | jq -rc '{ (.product.attributes.instanceType): { price: (.terms.OnDemand[].priceDimensions[].pricePerUnit.USD | tonumber) }}' \
+    | jq -s add > instance-pricing.json