85 lines
2 KiB
Go
85 lines
2 KiB
Go
/*
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Copyright 2025 Peter Kurfer.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package db
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import (
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"context"
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"errors"
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"fmt"
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"github.com/jackc/pgx/v5"
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"sigs.k8s.io/controller-runtime/pkg/log"
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"code.icb4dc0.de/prskr/supabase-operator/assets/migrations"
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)
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const (
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alterUserPwd = `ALTER ROLE %s WITH PASSWORD '%s';`
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checkUserExists = `SELECT 1 FROM pg_user WHERE usename = $1;`
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)
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func NewRolesManager(conn *pgx.Conn) RolesManager {
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return RolesManager{
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Conn: conn,
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}
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}
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type RolesManager struct {
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Conn *pgx.Conn
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}
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func (mgr RolesManager) UpdateRolePassword(ctx context.Context, roleName string, password []byte) error {
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if err := mgr.ensureLoginRoleExists(ctx, roleName); err != nil {
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return err
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}
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_, err := mgr.Conn.Exec(ctx, fmt.Sprintf(alterUserPwd, roleName, password))
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return err
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}
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func (mgr RolesManager) ensureLoginRoleExists(ctx context.Context, roleName string) error {
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logger := log.FromContext(ctx).WithValues("role_name", roleName)
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rows, err := mgr.Conn.Query(ctx, checkUserExists, roleName)
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if err != nil {
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return err
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}
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defer rows.Close()
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_, err = pgx.CollectExactlyOneRow(rows, func(row pgx.CollectableRow) (out int, err error) {
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err = row.Scan(&out)
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return
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})
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if err != nil {
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if !errors.Is(err, pgx.ErrNoRows) {
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return err
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}
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logger.Info("No rows, this means the role does not exists, creating it now")
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} else {
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return nil
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}
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script, err := migrations.RoleCreationScript(roleName)
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if err != nil {
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return err
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}
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_, err = mgr.Conn.Exec(ctx, script.Content)
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return err
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}
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