opus-codium/sli-tools

Basic tooling for working with Service-Level Indicator (SLI).

sli-tools

Basic tooling for working with Service-Level Indicator (SLI).

Background

• SLOs, SLIs, SLAs, oh my—CRE life lessons
• Tune up your SLI metrics: CRE life lessons
• Setting SLOs: a step-by-step guide
• SRE fundamentals 2021: SLIs vs SLAs vs SLOs

Prerequisites

• For exe/sli-vhosts: Access logs in OpenSearch / ElasticSearch with the following fields:
  • apache.vhost the Virtual Host name (e.g. "example.com");
  • apache.response the HTTP response code (e.g. 200, 404, 502).

Usage

romain@zappy ~/Projects/sli-tools % bundle exec exe/sli-vhosts -m 30
Virtual Host                                   SLI      EB Usg  Errors
example.com                                100.000 %     0.000 %        0/934722
gitlab.example.com                          99.997 %     2.972 %       52/1749625
mattermost.example.com                      99.953 %    46.650 %       36/77170