hashivault

package module
Version: v0.24.0 Latest Latest
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Published: Sep 1, 2021 License: Apache-2.0 Imports: 11 Imported by: 9

Documentation

Overview

Package hashivault provides a secrets implementation using the Transit Secrets Engine of Vault by Hashicorp. Use OpenKeeper to construct a *secrets.Keeper.

URLs

For secrets.OpenKeeper, hashivault registers for the scheme "hashivault". The default URL opener will dial a Vault server using the environment variables "VAULT_SERVER_URL" (or "VAULT_ADDR") and "VAULT_SERVER_TOKEN" (or "VAULT_TOKEN"). To customize the URL opener, or for more details on the URL format, see URLOpener. See https://gocloud.dev/concepts/urls/ for background information.

As

hashivault does not support any types for As.

Example (OpenFromURL)
package main

import (
	"context"
	"log"

	"gocloud.dev/secrets"
)

func main() {
	// PRAGMA: This example is used on gocloud.dev; PRAGMA comments adjust how it is shown and can be ignored.
	// PRAGMA: On gocloud.dev, add a blank import: _ "gocloud.dev/secrets/hashivault"
	// PRAGMA: On gocloud.dev, hide lines until the next blank line.
	ctx := context.Background()

	keeper, err := secrets.OpenKeeper(ctx, "hashivault://mykey")
	if err != nil {
		log.Fatal(err)
	}
	defer keeper.Close()
}
Output:

Index

Examples

Constants

View Source
const Scheme = "hashivault"

Scheme is the URL scheme hashivault registers its URLOpener under on secrets.DefaultMux.

Variables

This section is empty.

Functions

func Dial

func Dial(ctx context.Context, cfg *Config) (*api.Client, error)

Dial gets a Vault client.

func OpenKeeper

func OpenKeeper(client *api.Client, keyID string, opts *KeeperOptions) *secrets.Keeper

OpenKeeper returns a *secrets.Keeper that uses the Transit Secrets Engine of Vault by Hashicorp. See the package documentation for an example.

Example
package main

import (
	"context"
	"log"

	"github.com/hashicorp/vault/api"
	"gocloud.dev/secrets/hashivault"
)

func main() {
	// PRAGMA: This example is used on gocloud.dev; PRAGMA comments adjust how it is shown and can be ignored.
	// PRAGMA: On gocloud.dev, hide lines until the next blank line.
	ctx := context.Background()

	// Get a client to use with the Vault API.
	client, err := hashivault.Dial(ctx, &hashivault.Config{
		Token: "CLIENT_TOKEN",
		APIConfig: api.Config{
			Address: "http://127.0.0.1:8200",
		},
	})
	if err != nil {
		log.Fatal(err)
	}

	// Construct a *secrets.Keeper.
	keeper := hashivault.OpenKeeper(client, "my-key", nil)
	defer keeper.Close()
}
Output:

Types

type Config

type Config struct {
	// Token is the access token the Vault client uses to talk to the server.
	// See https://www.vaultproject.io/docs/concepts/tokens.html for more
	// information.
	Token string
	// APIConfig is used to configure the creation of the client.
	APIConfig api.Config
}

Config is the authentication configurations of the Vault server.

type KeeperOptions

type KeeperOptions struct {
	// Engine is the name of the secrets engine to use.
	// It defaults to "transit".
	Engine string
}

KeeperOptions controls Keeper behaviors. It is provided for future extensibility.

type URLOpener

type URLOpener struct {
	// Client must be non-nil.
	Client *api.Client

	// Options specifies the options to pass to OpenKeeper.
	Options KeeperOptions
}

URLOpener opens Vault URLs like "hashivault://mykey".

The URL Host + Path are used as the keyID.

The following query parameters are supported: - engine: The secrets engine to use; defaults to "transit".

func (*URLOpener) OpenKeeperURL

func (o *URLOpener) OpenKeeperURL(ctx context.Context, u *url.URL) (*secrets.Keeper, error)

OpenKeeperURL opens the Keeper URL.

Source Files

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