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Store Demo - Docker

This module creates a local 6 node docker cluster that is useful for integration testing the runner and loader modules but not suitable for performance testing. For true performance testing, use the terraform module.

Services

  • node-a - CockroachDB node in region A
  • node-b - CockroachDB node in region B
  • node-c - CockroachDB node in region C
  • node-d - CockroachDB node in region D
  • node-e - CockroachDB node in region E
  • node-f - CockroachDB node in region F
  • lb - HAProxy acting as load balancer
  • prometheus - Prometheus server
  • grafana - Grafana UI

Getting started

  1. Create a file called .env in the root of the docker folder with the following content... 
    ORG=<MY LICENSE ORG>
KEY=<MY LICENSE KEY>
    Replace <MY LICENSE ORG> with the organization associated with your enterprise license and <MY LICENSE KEY> with your enterprise license key.
  2. Run ./up.sh or docker-compose up -d to start the Docker services
  3. Visit the CockroachDB UI @ http://localhost:8080
  4. Visit the HAProxy UI @ http://localhost:8081
  5. Visit the Grafana UI @ http://localhost:3000. Default username and password are admin/admin.
  6. Visit the Prometheus UI @ http://localhost:9090
  7. Have fun!

You can run ./down.sh to stop the Docker services and ./prune.sh to do a Docker system prune when you are finished.

Helpful Commands

Show Ranges

Ranges and data distribution can be viewed in the UI here (http://localhost:8080/#/data-distribution) or via the following commands:

docker-compose exec east-1 /cockroach/cockroach sql --insecure --database=store_demo --execute="SELECT * FROM [SHOW EXPERIMENTAL_RANGES FROM TABLE auth] WHERE \"start_key\" IS NOT NULL AND \"start_key\" NOT LIKE '%Prefix%';"
docker-compose exec east-1 /cockroach/cockroach sql --insecure --database=store_demo --execute="SELECT * FROM [SHOW EXPERIMENTAL_RANGES FROM TABLE acct] WHERE \"start_key\" IS NOT NULL AND \"start_key\" NOT LIKE '%Prefix%';"

Open Interactive Shells

docker exec -ti node-a /bin/bash
docker exec -ti node-b /bin/bash
docker exec -ti node-c /bin/bash
docker exec -ti node-d /bin/bash
docker exec -ti node-e /bin/bash
docker exec -ti node-f /bin/bash