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

87 lines
1.7 KiB
Go

package database
import (
"strings"
"sync"
log "github.com/mgutz/logxi/v1"
"github.com/hashicorp/vault/builtin/logical/database/dbs"
"github.com/hashicorp/vault/logical"
"github.com/hashicorp/vault/logical/framework"
)
func Factory(conf *logical.BackendConfig) (logical.Backend, error) {
return Backend(conf).Setup(conf)
}
func Backend(conf *logical.BackendConfig) *databaseBackend {
var b databaseBackend
b.Backend = &framework.Backend{
Help: strings.TrimSpace(backendHelp),
Paths: []*framework.Path{
pathConfigConnection(&b),
pathListRoles(&b),
pathRoles(&b),
pathRoleCreate(&b),
pathResetConnection(&b),
},
Secrets: []*framework.Secret{
secretCreds(&b),
},
Clean: b.resetAllDBs,
}
b.logger = conf.Logger
b.connections = make(map[string]dbs.DatabaseType)
return &b
}
type databaseBackend struct {
connections map[string]dbs.DatabaseType
logger log.Logger
*framework.Backend
sync.RWMutex
}
// resetAllDBs closes all connections from all database types
func (b *databaseBackend) resetAllDBs() {
b.logger.Trace("postgres/resetdb: enter")
defer b.logger.Trace("postgres/resetdb: exit")
b.Lock()
defer b.Unlock()
for _, db := range b.connections {
db.Close()
}
}
func (b *databaseBackend) Role(s logical.Storage, n string) (*roleEntry, error) {
entry, err := s.Get("role/" + n)
if err != nil {
return nil, err
}
if entry == nil {
return nil, nil
}
var result roleEntry
if err := entry.DecodeJSON(&result); err != nil {
return nil, err
}
return &result, nil
}
const backendHelp = `
The PostgreSQL backend dynamically generates database users.
After mounting this backend, configure it using the endpoints within
the "config/" path.
`