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On this page
  • Configuration
  • Environment variables
  • Entity
  • Examples
Kong Gateway
2.8.x (latest)
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Hashicorp Vault

Configuration

Hashicorp Vault can be configured with environment variables or with a Vault entity.

Environment variables

export KONG_VAULTS_HCV_PROTOCOL=<protocol(http|https)>
export KONG_VAULTS_HCV_HOST=<hostname>
export KONG_VAULTS_HCV_PORT=<portnumber>
export KONG_VAULTS_HCV_MOUNT=<mountpoint>
export KONG_VAULTS_HCV_KV=<v1|v2>
export KONG_VAULTS_HCV_TOKEN=<tokenstring>

You can also store this information in an entity.

Entity

The Vault entity can only be used once the database is initialized. Secrets for values that are used before the database is initialized can’t make use of the Vaults entity.

cURL
HTTPie
curl -i -X PUT http://<hostname>:8001/vaults-beta/my-hashicorp-vault \
  --data name="hcv" \
  --data description="Storing secrets in Hashicorp Vault" \
  --data config.protocol="https" \
  --data config.host="localhost" \
  --data config.port="8200" \
  --data config.mount="secret" \
  --data config.kv="v2" \
  --data config.token="<mytoken>"
http PUT :8001/vaults-beta/my-hashicorp-vault \
  name="hcv" \
  description="Storing secrets in Hashicorp Vault" \
  config.protocol="https" \
  config.host="localhost" \
  config.port="8200" \
  config.mount="secret" \
  config.kv="v2" \
  config.token="<mytoken>" \
  -f 

Result:

{
    "config": {
        "host": "localhost",
        "kv": "v2",
        "mount": "vault",
        "port": 8200,
        "protocol": "https",
        "token": "<mytoken>"
    },
    "created_at": 1645008893,
    "description": "Storing secrets in Hashicorp Vault",
    "id": "0b43d867-05db-4bed-8aed-0fccb6667837",
    "name": "hcv",
    "prefix": "my-hashicorp-vault",
    "tags": null,
    "updated_at": 1645008893
}

Examples

For example, let’s say you’ve configured a Hashicorp Vault with a path of secret/hello and a key=value pair of foo=world:

vault kv put secret/hello foo=world

Key                Value
---                -----
created_time       2022-01-15T01:40:03.740833Z
custom_metadata    <nil>
deletion_time      n/a
destroyed          false
version            1

Access these secrets like this:

{vault://hcv/hello/foo}

Or if you configured an entity

{vault://my-hashicorp-vault/hello/foo}
Thank you for your feedback.
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