How to upgrade the Tempo Package chart

Modifications made to upstream chart

chart/charts/*.tgz

• run helm dependency update ./chart and commit the downloaded archives
• commit the tar archives that were downloaded from the helm dependency update command. And also commit the requirements.lock that was generated.

chart/Chart.yaml

• Add gluon dependency for testing
• Add Big Bang version suffix to chart version

chart/values.yaml

• Add Big Bang addditional values at bottom of values.yaml
• Add IronBank hardened images
• Add pullSecrets for each IronBank image
• Add default bigbang.dev hostname
• Add resources requests/limits for all services
• Add opentelemetry collector values

chart/templates/bigbang/*

• Add Big Bang network Policies as applicable
• Add VirtualService for tempo-query UI access
• Add openTelemetry collector deployment/configurations

chart/tests/*

• Add cypress testing configuration and tests
• Add scripts for testing

chart/templates/service.yaml

• Added protocols to each port name (i.e. tcp, http, etc)

chart/templates/servicemonitor.yaml

• Modified ports to match naming convention with http- prefix

chart/templates/statefulset.yaml

• Add in envFrom section to the tempo container

          {{- if and .Values.objectStorage.access_key_id .Values.objectStorage.secret_access_key }}
          envFrom:
          - secretRef:
              name: tempo-object-storage
          {{- end }}
  

Testing new Tempo Version

• Deploy tempo as a part of BigBang with istio and monitoring enabled, but with jaeger DISabled
• Visit https://tracing.bigbang.dev and ensure Services are listed and traces are being rendered
• Check the logs for the tempo pod and container and ensure traceIDs are getting sent over from the istio mesh
• Visit https://grafana.bigbang.dev > Login > Gear icon > Data Sources > Tempo > click Test datasource at the bottom

---

Last update: 2022-09-22 by evan.rush