open-vault/builtin/logical/cassandra/secret_creds.go

79 lines
2.0 KiB
Go

package cassandra
import (
"context"
"fmt"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/vault/logical"
"github.com/hashicorp/vault/logical/framework"
)
// SecretCredsType is the type of creds issued from this backend
const SecretCredsType = "cassandra"
func secretCreds(b *backend) *framework.Secret {
return &framework.Secret{
Type: SecretCredsType,
Fields: map[string]*framework.FieldSchema{
"username": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Username",
},
"password": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Password",
},
},
Renew: b.secretCredsRenew,
Revoke: b.secretCredsRevoke,
}
}
func (b *backend) secretCredsRenew(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
// Get the lease information
roleRaw, ok := req.Secret.InternalData["role"]
if !ok {
return nil, fmt.Errorf("secret is missing role internal data")
}
roleName, ok := roleRaw.(string)
if !ok {
return nil, fmt.Errorf("error converting role internal data to string")
}
role, err := getRole(ctx, req.Storage, roleName)
if err != nil {
return nil, errwrap.Wrapf("unable to load role: {{err}}", err)
}
resp := &logical.Response{Secret: req.Secret}
resp.Secret.TTL = role.Lease
return resp, nil
}
func (b *backend) secretCredsRevoke(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
// Get the username from the internal data
usernameRaw, ok := req.Secret.InternalData["username"]
if !ok {
return nil, fmt.Errorf("secret is missing username internal data")
}
username, ok := usernameRaw.(string)
if !ok {
return nil, fmt.Errorf("error converting username internal data to string")
}
session, err := b.DB(ctx, req.Storage)
if err != nil {
return nil, fmt.Errorf("error getting session")
}
err = session.Query(fmt.Sprintf("DROP USER '%s'", username)).Exec()
if err != nil {
return nil, fmt.Errorf("error removing user %q", username)
}
return nil, nil
}