es-gencert-cli

command module
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Published: May 2, 2024 License: BSD-3-Clause Imports: 8 Imported by: 0

README

Event Store Certificate Generation CLI

The command line interface to ease the generation of a certificate authority and node certificates for EventStoreDB 20.6.x and above.

Getting Started

Releases

The latest release for the es-gencert-cli can be found under the GitHub releases page. We releases binaries for Windows, Linux and macOS. We also publish the tool as a Docker image.

Usage

Basic usage for es-gencert-cli:

./es-gencert-cli [options] <command> [args]

Getting help for a specific command:

./es-gencert-cli -help <command>

e.g.

./es-gencert-cli -help create-ca

Usage: create_ca [options]
  Generate a root/CA TLS certificate to be used with EventStoreDB
Options:
  -days                       The validity period of the certificate in days (default: 5 years)
  -out                        The output directory (default: ./ca)

Running with Docker

You could also run the tool using Docker interactive container:

docker run --rm -i eventstore/es-gencert-cli <command> <options>

One useful scenario is to use the tool inside the Docker Compose file to generate all the necessary certificates before starting cluster nodes. You can find an example in the EventStoreDB repository.

Examples

Generating a certificate authority:

./es-gencert-cli create-ca -out ./es-ca

Generating a certificate for an EventStoreDB node:

./es-gencert-cli create-node -ca-certificate ./es-ca/ca.crt -ca-key ./es-ca/ca.key -out ./node1 -ip-addresses 127.0.0.1,172.20.240.1 -dns-names localhost,eventstore-node1.localhost.com

Generating a certification for user authentication:

./es-gencert-cli create-user -username ouro -days 10 -ca-certificate ./es-ca/ca.crt -ca-key ./es-ca/ca.key 

Generating certificates using config file:

./es-gencert-cli create-certs --config-file ./certs.yml

An example config file:

certificates:
  ca-certs:
    - out: "./root_ca"
    - out: "./intermediate_ca"
      ca-certificate: "./root_ca/ca.crt"
      ca-key: "./root_ca/ca.key"
      days: 5
  node-certs:
    - out: "./node1"
      ca-certificate: "./intermediate_ca/ca.crt"
      ca-key: "./intermediate_ca/ca.key"
      ip-addresses: "127.0.0.1,172.20.240.1"
      dns-names: "localhost,eventstore-node1.localhost.com"
    - out: "./node2"
      ca-certificate: "./intermediate_ca/ca.crt"
      ca-key: "./intermediate_ca/ca.key"
      ip-addresses: "127.0.0.2,172.20.240.2"
      dns-names: "localhost,eventstore-node2.localhost.com"
    - out: "./node3"
      ca-certificate: "./intermediate_ca/ca.crt"
      ca-key: "./intermediate_ca/ca.key"
      ip-addresses: "127.0.0.3,172.20.240.3"
      dns-names: "localhost,eventstore-node2.localhost.com"

If you want to specify the name of the certificates from the config file, you can add the name field to the certificate definition. You can see an example of this in the example configuration.

Development

Building or working on es-gencert-cli requires a Go environment, version 1.14 or higher.

Documentation

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