vault/sdk/plugin/mock/backend.go
Tom Proctor d8f32855d2
Make plugin-specific env take precedence over sys env (#25128)
* Make plugin-specific env take precedence over sys env
* Expand the existing plugin env integration test

---------

Co-authored-by: Austin Gebauer <34121980+austingebauer@users.noreply.github.com>
2024-02-02 11:20:32 +00:00

131 lines
3.2 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package mock
import (
"context"
"fmt"
"os"
"testing"
"github.com/hashicorp/vault/api"
"github.com/hashicorp/vault/sdk/framework"
"github.com/hashicorp/vault/sdk/logical"
)
const (
MockPluginVersionEnv = "TESTING_MOCK_VAULT_PLUGIN_VERSION"
MockPluginDefaultInternalValue = "bar"
)
// New returns a new backend as an interface. This func
// is only necessary for builtin backend plugins.
func New() (interface{}, error) {
return Backend(), nil
}
// Factory returns a new backend as logical.Backend.
func Factory(ctx context.Context, conf *logical.BackendConfig) (logical.Backend, error) {
b := Backend()
if err := b.Setup(ctx, conf); err != nil {
return nil, err
}
return b, nil
}
// FactoryType is a wrapper func that allows the Factory func to specify
// the backend type for the mock backend plugin instance.
func FactoryType(backendType logical.BackendType) logical.Factory {
return func(ctx context.Context, conf *logical.BackendConfig) (logical.Backend, error) {
b := Backend()
b.BackendType = backendType
if err := b.Setup(ctx, conf); err != nil {
return nil, err
}
return b, nil
}
}
// Backend returns a private embedded struct of framework.Backend.
func Backend() *backend {
var b backend
b.Backend = &framework.Backend{
Help: "",
Paths: framework.PathAppend(
errorPaths(&b),
kvPaths(&b),
[]*framework.Path{
pathInternal(&b),
pathSpecial(&b),
pathRaw(&b),
pathEnv(&b),
},
),
PathsSpecial: &logical.Paths{
Unauthenticated: []string{
"special",
},
},
Secrets: []*framework.Secret{},
Invalidate: b.invalidate,
BackendType: logical.TypeLogical,
}
b.internal = MockPluginDefaultInternalValue
b.RunningVersion = "v0.0.0+mock"
if version := os.Getenv(MockPluginVersionEnv); version != "" {
b.RunningVersion = version
}
return &b
}
type backend struct {
*framework.Backend
// internal is used to test invalidate and reloads.
internal string
}
func (b *backend) invalidate(ctx context.Context, key string) {
switch key {
case "internal":
b.internal = ""
}
}
// WriteInternalValue is a helper to set an in-memory value in the plugin,
// allowing tests to later assert that the plugin either has or hasn't been
// restarted.
func WriteInternalValue(t *testing.T, client *api.Client, mountPath, value string) {
t.Helper()
resp, err := client.Logical().Write(fmt.Sprintf("%s/internal", mountPath), map[string]interface{}{
"value": value,
})
if err != nil {
t.Fatalf("err: %v", err)
}
if resp != nil {
t.Fatalf("bad: %v", resp)
}
}
// ExpectInternalValue checks the internal in-memory value.
func ExpectInternalValue(t *testing.T, client *api.Client, mountPath, expected string) {
t.Helper()
expectInternalValue(t, client, mountPath, expected)
}
func expectInternalValue(t *testing.T, client *api.Client, mountPath, expected string) {
t.Helper()
resp, err := client.Logical().Read(fmt.Sprintf("%s/internal", mountPath))
if err != nil {
t.Fatalf("err: %v", err)
}
if resp == nil {
t.Fatalf("bad: response should not be nil")
}
if resp.Data["value"].(string) != expected {
t.Fatalf("expected %q but got %q", expected, resp.Data["value"].(string))
}
}