open-vault/builtin/logical/nomad/backend.go

91 lines
1.5 KiB
Go

package nomad
import (
"fmt"
"sync"
"github.com/hashicorp/nomad/api"
"github.com/hashicorp/vault/logical"
"github.com/hashicorp/vault/logical/framework"
)
func Factory(conf *logical.BackendConfig) (logical.Backend, error) {
b := Backend()
if err := b.Setup(conf); err != nil {
return nil, err
}
return b, nil
}
func Backend() *backend {
var b backend
b.Backend = &framework.Backend{
Paths: []*framework.Path{
pathConfigAccess(),
pathListRoles(&b),
pathRoles(),
pathToken(&b),
},
Secrets: []*framework.Secret{
secretToken(&b),
},
BackendType: logical.TypeLogical,
}
return &b
}
type backend struct {
*framework.Backend
client *api.Client
lock sync.RWMutex
}
func (b *backend) Client(s logical.Storage) (*api.Client, error) {
b.lock.RLock()
// If we already have a client, return it
if b.client != nil {
b.lock.RUnlock()
return b.client, nil
}
b.lock.RUnlock()
conf, intErr := readConfigAccess(s)
if intErr != nil {
return nil, intErr
}
if conf == nil {
return nil, fmt.Errorf("no error received but no configuration found")
}
nomadConf := api.DefaultConfig()
nomadConf.Address = conf.Address
nomadConf.SecretID = conf.Token
b.lock.Lock()
defer b.lock.Unlock()
// If the client was creted during the lock switch, return it
if b.client != nil {
return b.client, nil
}
var err error
b.client, err = api.NewClient(nomadConf)
if err != nil {
return nil, err
}
return b.client, nil
}
func (b *backend) resetClient() {
b.lock.Lock()
defer b.lock.Unlock()
b.client = nil
}