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a627b885c7
Support compression for Actions logs to save storage space and bandwidth. Inspired by https://github.com/go-gitea/gitea/issues/24256#issuecomment-1521153015 The biggest challenge is that the compression format should support [seekable](https://github.com/facebook/zstd/blob/dev/contrib/seekable_format/zstd_seekable_compression_format.md). So when users are viewing a part of the log lines, Gitea doesn't need to download the whole compressed file and decompress it. That means gzip cannot help here. And I did research, there aren't too many choices, like bgzip and xz, but I think zstd is the most popular one. It has an implementation in Golang with [zstd](https://github.com/klauspost/compress/tree/master/zstd) and [zstd-seekable-format-go](https://github.com/SaveTheRbtz/zstd-seekable-format-go), and what is better is that it has good compatibility: a seekable format zstd file can be read by a regular zstd reader. This PR introduces a new package `zstd` to combine and wrap the two packages, to provide a unified and easy-to-use API. And a new setting `LOG_COMPRESSION` is added to the config, although I don't see any reason why not to use compression, I think's it's a good idea to keep the default with `none` to be consistent with old versions. `LOG_COMPRESSION` takes effect for only new log files, it adds `.zst` as an extension to the file name, so Gitea can determine if it needs decompression according to the file name when reading. Old files will keep the format since it's not worth converting them, as they will be cleared after #31735. <img width="541" alt="image" src="https://github.com/user-attachments/assets/e9598764-a4e0-4b68-8c2b-f769265183c9"> (cherry picked from commit 33cc5837a655ad544b936d4d040ca36d74092588) Conflicts: assets/go-licenses.json go.mod go.sum resolved with make tidy
107 lines
3.1 KiB
Go
107 lines
3.1 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package setting
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import (
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"fmt"
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"strings"
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"time"
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)
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// Actions settings
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var (
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Actions = struct {
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Enabled bool
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LogStorage *Storage // how the created logs should be stored
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LogRetentionDays int64 `ini:"LOG_RETENTION_DAYS"`
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LogCompression logCompression `ini:"LOG_COMPRESSION"`
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ArtifactStorage *Storage // how the created artifacts should be stored
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ArtifactRetentionDays int64 `ini:"ARTIFACT_RETENTION_DAYS"`
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DefaultActionsURL defaultActionsURL `ini:"DEFAULT_ACTIONS_URL"`
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ZombieTaskTimeout time.Duration `ini:"ZOMBIE_TASK_TIMEOUT"`
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EndlessTaskTimeout time.Duration `ini:"ENDLESS_TASK_TIMEOUT"`
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AbandonedJobTimeout time.Duration `ini:"ABANDONED_JOB_TIMEOUT"`
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SkipWorkflowStrings []string `ìni:"SKIP_WORKFLOW_STRINGS"`
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LimitDispatchInputs int64 `ini:"LIMIT_DISPATCH_INPUTS"`
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}{
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Enabled: true,
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DefaultActionsURL: defaultActionsURLForgejo,
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SkipWorkflowStrings: []string{"[skip ci]", "[ci skip]", "[no ci]", "[skip actions]", "[actions skip]"},
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LimitDispatchInputs: 10,
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}
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)
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type defaultActionsURL string
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func (url defaultActionsURL) URL() string {
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switch url {
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case defaultActionsURLGitHub:
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return "https://github.com"
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case defaultActionsURLSelf:
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return strings.TrimSuffix(AppURL, "/")
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default:
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return string(url)
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}
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}
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const (
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defaultActionsURLForgejo = "https://code.forgejo.org"
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defaultActionsURLGitHub = "github" // https://github.com
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defaultActionsURLSelf = "self" // the root URL of the self-hosted instance
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)
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type logCompression string
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func (c logCompression) IsValid() bool {
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return c.IsNone() || c.IsZstd()
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}
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func (c logCompression) IsNone() bool {
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return c == "" || strings.ToLower(string(c)) == "none"
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}
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func (c logCompression) IsZstd() bool {
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return strings.ToLower(string(c)) == "zstd"
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}
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func loadActionsFrom(rootCfg ConfigProvider) error {
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sec := rootCfg.Section("actions")
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err := sec.MapTo(&Actions)
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if err != nil {
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return fmt.Errorf("failed to map Actions settings: %v", err)
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}
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// don't support to read configuration from [actions]
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Actions.LogStorage, err = getStorage(rootCfg, "actions_log", "", nil)
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if err != nil {
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return err
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}
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// default to 1 year
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if Actions.LogRetentionDays <= 0 {
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Actions.LogRetentionDays = 365
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}
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actionsSec, _ := rootCfg.GetSection("actions.artifacts")
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Actions.ArtifactStorage, err = getStorage(rootCfg, "actions_artifacts", "", actionsSec)
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if err != nil {
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return err
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}
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// default to 90 days in Github Actions
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if Actions.ArtifactRetentionDays <= 0 {
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Actions.ArtifactRetentionDays = 90
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}
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Actions.ZombieTaskTimeout = sec.Key("ZOMBIE_TASK_TIMEOUT").MustDuration(10 * time.Minute)
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Actions.EndlessTaskTimeout = sec.Key("ENDLESS_TASK_TIMEOUT").MustDuration(3 * time.Hour)
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Actions.AbandonedJobTimeout = sec.Key("ABANDONED_JOB_TIMEOUT").MustDuration(24 * time.Hour)
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if !Actions.LogCompression.IsValid() {
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return fmt.Errorf("invalid [actions] LOG_COMPRESSION: %q", Actions.LogCompression)
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}
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return nil
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}
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