gitea/routers/web/repo/actions/view.go
Jason Song 4011821c94
Implement actions (#21937)
Close #13539.

Co-authored by: @lunny @appleboy @fuxiaohei and others.

Related projects:
- https://gitea.com/gitea/actions-proto-def
- https://gitea.com/gitea/actions-proto-go
- https://gitea.com/gitea/act
- https://gitea.com/gitea/act_runner

### Summary

The target of this PR is to bring a basic implementation of "Actions",
an internal CI/CD system of Gitea. That means even though it has been
merged, the state of the feature is **EXPERIMENTAL**, and please note
that:

- It is disabled by default;
- It shouldn't be used in a production environment currently;
- It shouldn't be used in a public Gitea instance currently;
- Breaking changes may be made before it's stable.

**Please comment on #13539 if you have any different product design
ideas**, all decisions reached there will be adopted here. But in this
PR, we don't talk about **naming, feature-creep or alternatives**.

### ⚠️ Breaking

`gitea-actions` will become a reserved user name. If a user with the
name already exists in the database, it is recommended to rename it.

### Some important reviews

- What is `DEFAULT_ACTIONS_URL` in `app.ini` for?
  - https://github.com/go-gitea/gitea/pull/21937#discussion_r1055954954
- Why the api for runners is not under the normal `/api/v1` prefix?
  - https://github.com/go-gitea/gitea/pull/21937#discussion_r1061173592
- Why DBFS?
  - https://github.com/go-gitea/gitea/pull/21937#discussion_r1061301178
- Why ignore events triggered by `gitea-actions` bot?
  - https://github.com/go-gitea/gitea/pull/21937#discussion_r1063254103
- Why there's no permission control for actions?
  - https://github.com/go-gitea/gitea/pull/21937#discussion_r1090229868

### What it looks like

<details>

#### Manage runners

<img width="1792" alt="image"
src="https://user-images.githubusercontent.com/9418365/205870657-c72f590e-2e08-4cd4-be7f-2e0abb299bbf.png">

#### List runs

<img width="1792" alt="image"
src="https://user-images.githubusercontent.com/9418365/205872794-50fde990-2b45-48c1-a178-908e4ec5b627.png">


#### View logs

<img width="1792" alt="image"
src="https://user-images.githubusercontent.com/9418365/205872501-9b7b9000-9542-4991-8f55-18ccdada77c3.png">



</details>

### How to try it

<details>

#### 1. Start Gitea

Clone this branch and [install from
source](https://docs.gitea.io/en-us/install-from-source).

Add additional configurations in `app.ini` to enable Actions:

```ini
[actions]
ENABLED = true
```

Start it.

If all is well, you'll see the management page of runners:

<img width="1792" alt="image"
src="https://user-images.githubusercontent.com/9418365/205877365-8e30a780-9b10-4154-b3e8-ee6c3cb35a59.png">


#### 2. Start runner

Clone the [act_runner](https://gitea.com/gitea/act_runner), and follow
the
[README](https://gitea.com/gitea/act_runner/src/branch/main/README.md)
to start it.

If all is well, you'll see a new runner has been added:

<img width="1792" alt="image"
src="https://user-images.githubusercontent.com/9418365/205878000-216f5937-e696-470d-b66c-8473987d91c3.png">

#### 3. Enable actions for a repo

Create a new repo or open an existing one, check the `Actions` checkbox
in settings and submit.

<img width="1792" alt="image"
src="https://user-images.githubusercontent.com/9418365/205879705-53e09208-73c0-4b3e-a123-2dcf9aba4b9c.png">
<img width="1792" alt="image"
src="https://user-images.githubusercontent.com/9418365/205879383-23f3d08f-1a85-41dd-a8b3-54e2ee6453e8.png">

If all is well, you'll see a new tab "Actions":

<img width="1792" alt="image"
src="https://user-images.githubusercontent.com/9418365/205881648-a8072d8c-5803-4d76-b8a8-9b2fb49516c1.png">

#### 4. Upload workflow files

Upload some workflow files to `.gitea/workflows/xxx.yaml`, you can
follow the [quickstart](https://docs.github.com/en/actions/quickstart)
of GitHub Actions. Yes, Gitea Actions is compatible with GitHub Actions
in most cases, you can use the same demo:

```yaml
name: GitHub Actions Demo
run-name: ${{ github.actor }} is testing out GitHub Actions 🚀
on: [push]
jobs:
  Explore-GitHub-Actions:
    runs-on: ubuntu-latest
    steps:
      - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
      - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!"
      - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
      - name: Check out repository code
        uses: actions/checkout@v3
      - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
      - run: echo "🖥️ The workflow is now ready to test your code on the runner."
      - name: List files in the repository
        run: |
          ls ${{ github.workspace }}
      - run: echo "🍏 This job's status is ${{ job.status }}."
```

If all is well, you'll see a new run in `Actions` tab:

<img width="1792" alt="image"
src="https://user-images.githubusercontent.com/9418365/205884473-79a874bc-171b-4aaf-acd5-0241a45c3b53.png">

#### 5. Check the logs of jobs

Click a run and you'll see the logs:

<img width="1792" alt="image"
src="https://user-images.githubusercontent.com/9418365/205884800-994b0374-67f7-48ff-be9a-4c53f3141547.png">

#### 6. Go on

You can try more examples in [the
documents](https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions)
of GitHub Actions, then you might find a lot of bugs.

Come on, PRs are welcome.

</details>

See also: [Feature Preview: Gitea
Actions](https://blog.gitea.io/2022/12/feature-preview-gitea-actions/)

---------

Co-authored-by: a1012112796 <1012112796@qq.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: ChristopherHX <christopher.homberger@web.de>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
2023-01-31 09:45:19 +08:00

298 lines
7.8 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package actions
import (
"context"
"errors"
"fmt"
"net/http"
"time"
actions_model "code.gitea.io/gitea/models/actions"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/unit"
"code.gitea.io/gitea/modules/actions"
context_module "code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/modules/web"
actions_service "code.gitea.io/gitea/services/actions"
"xorm.io/builder"
)
func View(ctx *context_module.Context) {
ctx.Data["PageIsActions"] = true
runIndex := ctx.ParamsInt64("run")
jobIndex := ctx.ParamsInt64("job")
ctx.Data["RunIndex"] = runIndex
ctx.Data["JobIndex"] = jobIndex
ctx.Data["ActionsURL"] = ctx.Repo.RepoLink + "/actions"
if getRunJobs(ctx, runIndex, jobIndex); ctx.Written() {
return
}
ctx.HTML(http.StatusOK, tplViewActions)
}
type ViewRequest struct {
LogCursors []struct {
Step int `json:"step"`
Cursor int64 `json:"cursor"`
Expanded bool `json:"expanded"`
} `json:"logCursors"`
}
type ViewResponse struct {
State struct {
Run struct {
HTMLURL string `json:"htmlurl"`
Title string `json:"title"`
CanCancel bool `json:"canCancel"`
Done bool `json:"done"`
Jobs []*ViewJob `json:"jobs"`
} `json:"run"`
CurrentJob struct {
Title string `json:"title"`
Detail string `json:"detail"`
Steps []*ViewJobStep `json:"steps"`
} `json:"currentJob"`
} `json:"state"`
Logs struct {
StepsLog []*ViewStepLog `json:"stepsLog"`
} `json:"logs"`
}
type ViewJob struct {
ID int64 `json:"id"`
Name string `json:"name"`
Status string `json:"status"`
CanRerun bool `json:"canRerun"`
}
type ViewJobStep struct {
Summary string `json:"summary"`
Duration string `json:"duration"`
Status string `json:"status"`
}
type ViewStepLog struct {
Step int `json:"step"`
Cursor int64 `json:"cursor"`
Lines []*ViewStepLogLine `json:"lines"`
}
type ViewStepLogLine struct {
Index int64 `json:"index"`
Message string `json:"message"`
Timestamp float64 `json:"timestamp"`
}
func ViewPost(ctx *context_module.Context) {
req := web.GetForm(ctx).(*ViewRequest)
runIndex := ctx.ParamsInt64("run")
jobIndex := ctx.ParamsInt64("job")
current, jobs := getRunJobs(ctx, runIndex, jobIndex)
if ctx.Written() {
return
}
run := current.Run
resp := &ViewResponse{}
resp.State.Run.Title = run.Title
resp.State.Run.HTMLURL = run.HTMLURL()
resp.State.Run.CanCancel = !run.Status.IsDone() && ctx.Repo.CanWrite(unit.TypeActions)
resp.State.Run.Done = run.Status.IsDone()
resp.State.Run.Jobs = make([]*ViewJob, 0, len(jobs)) // marshal to '[]' instead fo 'null' in json
for _, v := range jobs {
resp.State.Run.Jobs = append(resp.State.Run.Jobs, &ViewJob{
ID: v.ID,
Name: v.Name,
Status: v.Status.String(),
CanRerun: v.Status.IsDone() && ctx.Repo.CanWrite(unit.TypeActions),
})
}
var task *actions_model.ActionTask
if current.TaskID > 0 {
var err error
task, err = actions_model.GetTaskByID(ctx, current.TaskID)
if err != nil {
ctx.Error(http.StatusInternalServerError, err.Error())
return
}
task.Job = current
if err := task.LoadAttributes(ctx); err != nil {
ctx.Error(http.StatusInternalServerError, err.Error())
return
}
}
resp.State.CurrentJob.Title = current.Name
resp.State.CurrentJob.Detail = current.Status.LocaleString(ctx.Locale)
resp.State.CurrentJob.Steps = make([]*ViewJobStep, 0) // marshal to '[]' instead fo 'null' in json
resp.Logs.StepsLog = make([]*ViewStepLog, 0) // marshal to '[]' instead fo 'null' in json
if task != nil {
steps := actions.FullSteps(task)
for _, v := range steps {
resp.State.CurrentJob.Steps = append(resp.State.CurrentJob.Steps, &ViewJobStep{
Summary: v.Name,
Duration: v.Duration().String(),
Status: v.Status.String(),
})
}
for _, cursor := range req.LogCursors {
if !cursor.Expanded {
continue
}
step := steps[cursor.Step]
logLines := make([]*ViewStepLogLine, 0) // marshal to '[]' instead fo 'null' in json
if c := cursor.Cursor; c < step.LogLength && c >= 0 {
index := step.LogIndex + c
length := step.LogLength - cursor.Cursor
offset := task.LogIndexes[index]
var err error
logRows, err := actions.ReadLogs(ctx, task.LogInStorage, task.LogFilename, offset, length)
if err != nil {
ctx.Error(http.StatusInternalServerError, err.Error())
return
}
for i, row := range logRows {
logLines = append(logLines, &ViewStepLogLine{
Index: cursor.Cursor + int64(i) + 1, // start at 1
Message: row.Content,
Timestamp: float64(row.Time.AsTime().UnixNano()) / float64(time.Second),
})
}
}
resp.Logs.StepsLog = append(resp.Logs.StepsLog, &ViewStepLog{
Step: cursor.Step,
Cursor: cursor.Cursor + int64(len(logLines)),
Lines: logLines,
})
}
}
ctx.JSON(http.StatusOK, resp)
}
func Rerun(ctx *context_module.Context) {
runIndex := ctx.ParamsInt64("run")
jobIndex := ctx.ParamsInt64("job")
job, _ := getRunJobs(ctx, runIndex, jobIndex)
if ctx.Written() {
return
}
status := job.Status
if !status.IsDone() {
ctx.JSON(http.StatusOK, struct{}{})
return
}
job.TaskID = 0
job.Status = actions_model.StatusWaiting
job.Started = 0
job.Stopped = 0
if err := db.WithTx(ctx, func(ctx context.Context) error {
if _, err := actions_model.UpdateRunJob(ctx, job, builder.Eq{"status": status}, "task_id", "status", "started", "stopped"); err != nil {
return err
}
return actions_service.CreateCommitStatus(ctx, job)
}); err != nil {
ctx.Error(http.StatusInternalServerError, err.Error())
return
}
ctx.JSON(http.StatusOK, struct{}{})
}
func Cancel(ctx *context_module.Context) {
runIndex := ctx.ParamsInt64("run")
_, jobs := getRunJobs(ctx, runIndex, -1)
if ctx.Written() {
return
}
if err := db.WithTx(ctx, func(ctx context.Context) error {
for _, job := range jobs {
status := job.Status
if status.IsDone() {
continue
}
if job.TaskID == 0 {
job.Status = actions_model.StatusCancelled
job.Stopped = timeutil.TimeStampNow()
n, err := actions_model.UpdateRunJob(ctx, job, builder.Eq{"task_id": 0}, "status", "stopped")
if err != nil {
return err
}
if n == 0 {
return fmt.Errorf("job has changed, try again")
}
continue
}
if err := actions_model.StopTask(ctx, job.TaskID, actions_model.StatusCancelled); err != nil {
return err
}
if err := actions_service.CreateCommitStatus(ctx, job); err != nil {
return err
}
}
return nil
}); err != nil {
ctx.Error(http.StatusInternalServerError, err.Error())
return
}
ctx.JSON(http.StatusOK, struct{}{})
}
// getRunJobs gets the jobs of runIndex, and returns jobs[jobIndex], jobs.
// Any error will be written to the ctx.
// It never returns a nil job of an empty jobs, if the jobIndex is out of range, it will be treated as 0.
func getRunJobs(ctx *context_module.Context, runIndex, jobIndex int64) (*actions_model.ActionRunJob, []*actions_model.ActionRunJob) {
run, err := actions_model.GetRunByIndex(ctx, ctx.Repo.Repository.ID, runIndex)
if err != nil {
if errors.Is(err, util.ErrNotExist) {
ctx.Error(http.StatusNotFound, err.Error())
return nil, nil
}
ctx.Error(http.StatusInternalServerError, err.Error())
return nil, nil
}
run.Repo = ctx.Repo.Repository
jobs, err := actions_model.GetRunJobsByRunID(ctx, run.ID)
if err != nil {
ctx.Error(http.StatusInternalServerError, err.Error())
return nil, nil
}
if len(jobs) == 0 {
ctx.Error(http.StatusNotFound, err.Error())
return nil, nil
}
for _, v := range jobs {
v.Run = run
}
if jobIndex >= 0 && jobIndex < int64(len(jobs)) {
return jobs[jobIndex], jobs
}
return jobs[0], jobs
}