Release database resources on each iteration of a loop (#4305)

This commit is contained in:
Becca Petrin
2018-04-17 16:31:09 -07:00
committed by GitHub
parent 7390abd7c9
commit f23b14a8c2
10 changed files with 112 additions and 123 deletions

View File

@@ -12,6 +12,7 @@ import (
"github.com/hashicorp/errwrap"
"github.com/hashicorp/vault/api"
"github.com/hashicorp/vault/builtin/logical/database/dbplugin"
"github.com/hashicorp/vault/helper/dbtxn"
"github.com/hashicorp/vault/helper/strutil"
"github.com/hashicorp/vault/plugins"
"github.com/hashicorp/vault/plugins/helper/database/connutil"
@@ -129,16 +130,13 @@ func (m *MSSQL) CreateUser(ctx context.Context, statements dbplugin.Statements,
continue
}
stmt, err := tx.PrepareContext(ctx, dbutil.QueryHelper(query, map[string]string{
m := map[string]string{
"name": username,
"password": password,
"expiration": expirationStr,
}))
if err != nil {
return "", "", err
}
defer stmt.Close()
if _, err := stmt.ExecContext(ctx); err != nil {
if err := dbtxn.ExecuteTxQuery(ctx, tx, m, query); err != nil {
return "", "", err
}
}
@@ -189,14 +187,10 @@ func (m *MSSQL) RevokeUser(ctx context.Context, statements dbplugin.Statements,
continue
}
stmt, err := tx.PrepareContext(ctx, dbutil.QueryHelper(query, map[string]string{
m := map[string]string{
"name": username,
}))
if err != nil {
return err
}
defer stmt.Close()
if _, err := stmt.ExecContext(ctx); err != nil {
if err := dbtxn.ExecuteTxQuery(ctx, tx, m, query); err != nil {
return err
}
}
@@ -285,14 +279,7 @@ func (m *MSSQL) revokeUserDefault(ctx context.Context, username string) error {
// many permissions as possible right now
var lastStmtError error
for _, query := range revokeStmts {
stmt, err := db.PrepareContext(ctx, query)
if err != nil {
lastStmtError = err
continue
}
defer stmt.Close()
_, err = stmt.ExecContext(ctx)
if err != nil {
if err := dbtxn.ExecuteDBQuery(ctx, db, nil, query); err != nil {
lastStmtError = err
}
}
@@ -355,16 +342,12 @@ func (m *MSSQL) RotateRootCredentials(ctx context.Context, statements []string)
if len(query) == 0 {
continue
}
stmt, err := tx.PrepareContext(ctx, dbutil.QueryHelper(query, map[string]string{
m := map[string]string{
"username": m.Username,
"password": password,
}))
if err != nil {
return nil, err
}
defer stmt.Close()
if _, err := stmt.ExecContext(ctx); err != nil {
if err := dbtxn.ExecuteTxQuery(ctx, tx, m, query); err != nil {
return nil, err
}
}