hashitalks-2023oac

Observability as Code (OaC)

Prereq

In this steps will install in docker cadvisor and prometheus, these are an optional steps

Install cadvisor

docker run \
  --volume=/:/rootfs:ro \
  --volume=/var/run:/var/run:ro \
  --volume=/sys:/sys:ro \
  --volume=/var/lib/docker/:/var/lib/docker:ro \
  --volume=/dev/disk/:/dev/disk:ro \
  --publish=8080:8080 \
  --detach=true \
  --name=cadvisor \
  --privileged \
  --device=/dev/kmsg \
  gcr.io/cadvisor/cadvisor:latest

Access to cadvisor

http://localhost:8080 http://localhost:8080/metrics

Prometheus

docker run --name prometheus -d -p 9090:9090 -v $(pwd)/prometheus-conf.yaml:/etc/prometheus/prometheus.yml prom/prometheus

Prometheus access

http://localhost:9090 http://localhost:9090/targets

Prereq Install grafana

docker run -p 3000:3000 --name=grafana \
    -e "GF_INSTALL_PLUGINS=grafana-clock-panel, grafana-simple-json-datasource" \
    -e "GF_SECURITY_ADMIN_PASSWORD=password" \
    -e "GF_USERS_ALLOW_SIGN_UP=false" \
    --rm \
    grafana/grafana-oss

DEMO

Connect terraform to grafana

export TF_VAR_grafana_auth=admin:password

• Create an organization

terraform apply --target=grafana_organization.my_org

• Add to grafana new Prometheus Data-source

terraform apply --target grafana_data_source.prometheus

• Add to grafana new Folder

terraform apply --target grafana_folder.oac_folder

• Add to grafana new Dashboard

terraform apply --target grafana_dashboard.oac_dashboard

• Documentation ./DOCUMENTATION.md