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HashiCorp Vault Setup for the Cisco Certified DevNet Expert Exam

This repository provides a quick setup for HashiCorp Vault. This is essential if you're preparing for the Cisco Certified DevNet Expert exam. With Docker Compose, you can easily launch a Vault instance to secure your applications and manage secrets.

Quick Start

Ensure you have Docker and Docker Compose installed on your machine. Then, follow these steps:

  1. Execute docker-compose up -d to start the Vault.
  2. Verify it using docker ps -a.
  3. Visit https://localhost:8200.

Environment Variables

Before using the Vault CLI, set the following environment variables:

export VAULT_ADDR=https://127.0.0.1:8200
export VAULT_CACERT=<absolute_path_to_repo>/certs/vault.crt
export VAULT_TOKEN="s.wkFzpK95G7g5B6kh9myEBMM6"

Note: Adjust the VAULT_CACERT path to match your local repository location. The VAULT_TOKEN should be set to your root token obtained after initializing Vault.

Basic Commands

Check Vault Status

vault status

Example output:

Key             Value
---             -----
Seal Type       shamir
Initialized     true
Sealed          false
Total Shares    1
Threshold       1
Version         1.8.0
Build Date      n/a
Storage Type    file
Cluster Name    vault-cluster-ebf0f42f
Cluster ID      732ffdf5-3f6b-a55e-72fd-e81d202a4415
HA Enabled      false

Initialize Vault

If Vault is not initialized, run:

vault operator init

This will output unseal keys and an initial root token. Save these securely!

Unseal Vault

If Vault is sealed, unseal it using:

vault operator unseal <unseal-key>

For a single unseal key setup, you'll need to run this once.

Support

For any issues or questions, feel free to open an issue in this repository.

Become an Expert

In my DevNet Expert e-learning HashiCorp Vault is covered extensively. Learn everything from creating secrets to writing custom Python applications using the hvac library.