wisprp / aws-billing-reporting

Small serverless service for monthly AWS usage reporting

aws-billing-reporting

Small serverless service for monthly AWS usage reporting

The service sends notifications in Slack channel with aggregated costs for Billing tag in AWS

Deployment

1. Copy .env-sample to .env and fill it. You need to specify only (AWS_ACCESS_KEY and AWS_SECRET_ACCESS_KEY) or AWS_PROFILE for terraform. User should be able to create new IAM roles/policies and use Lambda and CloudWatch services
2. Define TF_VAR_SLACK_WEBHOOK_URL as a Slack incomming webhook URL
3. Load environment variables

export $(xargs < .env)

4. Compile and archive lambda function

GOOS=linux go build main.go && zip main.zip main

5. Deploy serivice to AWS using terraform

cd iac && terraform apply

Schedule can be adjusted by modifying schedule_expression in cost-reporter.tf using rate or cron expressions: AWS Scheduled Events

Slack notification format

2020-05-01 - 2020-06-01
Projects hardware expences (AWS):
project_1: $232.32
project_x: $140.96
project_foo: $102.2

aws-billing-reporting's Issues

Fix Goreportcard warnings

https://goreportcard.com/report/github.com/wisprp/aws-billing-reporting

golint

aws-billing-reporting/main.go
Line 22: warning: exported type SlackRequestBody should have comment or be unexported (golint)
Line 26: warning: exported type BillingRange should have comment or be unexported (golint)
Line 30: warning: exported method BillingRange.DateRangeString should have comment or be unexported (golint)
Line 46: warning: exported function SendReport should have comment or be unexported (golint)
Line 134: warning: exported function BuildSlackMessage should have comment or be unexported (golint)

ineffassign

aws-billing-reporting/main.go
Line 48: warning: ineffectual assignment to err (ineffassign)

misspell

aws-billing-reporting/main.go
Line 121: warning: "projectin" is a misspelling of "projection" (misspell)
Line 140: warning: "expences" is a misspelling of "expense" (misspell)
Line 144: warning: "throught" is a misspelling of "thought" (misspell)

Add Actions to run tests on PR

Add more tests

It would be good to add more tests, not only for a one function