mirror of https://github.com/harness/drone.git
80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
// Copyright 2023 Harness, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package repo
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import (
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"context"
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"fmt"
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"time"
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"github.com/harness/gitness/contextutil"
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"github.com/harness/gitness/lock"
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"github.com/harness/gitness/logging"
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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)
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func (c *Controller) lockDefaultBranch(
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ctx context.Context,
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repoUID string,
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branchName string,
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expiry time.Duration,
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) (func(), error) {
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key := repoUID + "/defaultBranch"
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// annotate logs for easier debugging of lock related issues
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// TODO: refactor once common logging annotations are added
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ctx = logging.NewContext(ctx, func(zc zerolog.Context) zerolog.Context {
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return zc.
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Str("default_branch_lock", key).
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Str("repo_uid", repoUID)
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})
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mutext, err := c.mtxManager.NewMutex(
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key,
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lock.WithNamespace("repo"),
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lock.WithExpiry(expiry),
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lock.WithTimeoutFactor(4/expiry.Seconds()), // 4s
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)
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if err != nil {
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return nil, fmt.Errorf("failed to create new mutex for repo %q with default branch %s: %w", repoUID, branchName, err)
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}
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err = mutext.Lock(ctx)
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if err != nil {
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return nil, fmt.Errorf("failed to lock the mutex for repo %q with default branch %s: %w", repoUID, branchName, err)
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}
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log.Ctx(ctx).Info().Msgf("successfully locked the repo default branch (expiry: %s)", expiry)
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unlockFn := func() {
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// always unlock independent of whether source context got canceled or not
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ctx, cancel := context.WithTimeout(
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contextutil.WithNewValues(context.Background(), ctx),
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30*time.Second,
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)
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defer cancel()
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err := mutext.Unlock(ctx)
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if err != nil {
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log.Ctx(ctx).Warn().Err(err).Msg("failed to unlock repo default branch")
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} else {
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log.Ctx(ctx).Info().Msg("successfully unlocked repo default branch")
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}
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}
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return unlockFn, nil
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}
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