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Installing the Bran

This document provides a step-by-step tutorial on the Bran manual installation on the already installed Platform.

  1. Introduction
  2. Install ClickHouse
    1. Requirements
    2. Steps
  3. Enable Bran
  4. Check an experimental page

Introduction

Here is the simplest setup for you to try the Bran service. Database replication is disabled here. If you need high availability, contact us for instructions on how to set up a replicated ClickHouse.

Install ClickHouse

Requirements

  • Separate VM
  • RAM: 8 GB
  • Storage: 40 GB

Steps

  1. Install version 19.13.1.11.
  2. Make it accessible by IP address from Kubernetes pods network.
  3. Set up user and password if you were not asked about credentials during installation.

Enable Bran

  1. Set the following variables in config.json: 
      "bran_clickhouse_uri": "http://${clickhouse_user}:${clickhouse_password}@${clickhouse_ip}:8123",

    Replace ${clickhouse_...} placeholders with actual values.

  2. Apply ksonnet.
  3. Make sure bran-read and bran-write microservices are deployed and running in the cluster.

Check an experimental page

Visit https://${your_domain}/c/${contract_id}/#/contract/${contract_id}#/w/${workspace_id}/executions (replace ${your_domain}, ${contract_id} and ${workspace_id} with actual values). You should see an experimental executions page.