How to Evaluate statistics for generic "Lambda Error" Alerts posted to Slack

Pre-Requisites

• Access to CMS VPN
• Access to BFD/CMS AWS account(s)
• Installation of AWS CLI, properly configured for access to BFD/CMS AWS account
• Installation of jq

Instructions

Determine which alarms have been tripped within the past N days (24h is default):

Execute script ops/ccs-ops-misc/scripts/lambda-error-metrics from our Github repository and proceed with further detailed investigation as warranted; optionally, add an argument for the number of historical days from current day for which to evaluate alarms.

Example 1: 1 day of metrics

$ ops/ccs-ops-misc/scripts/lambda-error-metrics

Example 2: 3 days of metrics

$ ops/ccs-ops-misc/scripts/lambda-error-metrics 3