
This patch adds in Loki helm install scripts to a zuul job. Loki-stack includes (Loki, Grafana, and Promtail charts). Configuration for each can be set in loki-stack-values.yaml: https://github.com/grafana/helm-charts/tree/main/charts/grafana https://github.com/grafana/loki/tree/master/production/helm/loki https://github.com/grafana/loki/tree/master/production/helm/promtail Change-Id: Ia6c804e79bdaba0b342c38fac6696c94cf9121a5