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debian-mirror-gitlab/doc/user/project/integrations/webhooks.md
Pirate Praveen 81ade28521 New upstream version 13.8.5+ds1
2021-03-08 18:12:59 +05:30

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---
stage: Create
group: Ecosystem
info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
---
# Webhooks
Project webhooks allow you to trigger a percent-encoded URL if, for example, new code is pushed or
a new issue is created. You can configure webhooks to listen for specific events
like pushes, issues or merge requests. GitLab sends a POST request with data
to the webhook URL.
You usually need to set up your own [webhook receiver](#example-webhook-receiver)
to receive information from GitLab and send it to another app, according to your requirements.
We already have a [built-in receiver](slack.md)
for sending [Slack](https://api.slack.com/incoming-webhooks) notifications _per project_.
## Overview
[Webhooks](https://en.wikipedia.org/wiki/Webhook) are "_user-defined HTTP
callbacks_". They are usually triggered by some
event, such as pushing code to a repository or a comment being posted to a blog.
When that event occurs, the source app makes an HTTP request to the URI
configured for the webhook. The action taken may be anything.
Common uses are to trigger builds with continuous integration systems or to
notify bug tracking systems.
Webhooks can be used to update an external issue tracker, trigger CI jobs,
update a backup mirror, or even deploy to your production server.
Webhooks are available:
- Per project, at a project's **Settings > Webhooks** menu. **(CORE)**
- Additionally per group, at a group's **Settings > Webhooks** menu. **(PREMIUM)**
NOTE:
On GitLab.com, the [maximum number of webhooks and their size](../../../user/gitlab_com/index.md#webhooks) per project, and per group, is limited.
## Possible uses for webhooks
- You can set up a webhook in GitLab to send a notification to
[Slack](https://api.slack.com/incoming-webhooks) every time a job fails.
- You can [integrate with Twilio to be notified via SMS](https://www.datadoghq.com/blog/send-alerts-sms-customizable-webhooks-twilio/)
every time an issue is created for a specific project or group within GitLab
- You can use them to [automatically assign labels to merge requests](https://about.gitlab.com/blog/2016/08/19/applying-gitlab-labels-automatically/).
## Webhook endpoint tips
If you are writing your own endpoint (web server) to receive
GitLab webhooks, keep in mind the following:
- Your endpoint should send its HTTP response as fast as possible. If the response takes longer than
the configured timeout, GitLab decides the hook failed and retries it. For information on
customizing this timeout, see
[Webhook fails or multiple webhook requests are triggered](#webhook-fails-or-multiple-webhook-requests-are-triggered).
- Your endpoint should ALWAYS return a valid HTTP response. If you do
not do this then GitLab thinks the hook failed and retries it.
Most HTTP libraries take care of this for you automatically but if
you are writing a low-level hook this is important to remember.
- GitLab ignores the HTTP status code returned by your endpoint.
## Secret token
If you specify a secret token, it is sent with the hook request in the
`X-Gitlab-Token` HTTP header. Your webhook endpoint can check that to verify
that the request is legitimate.
## SSL verification
By default, the SSL certificate of the webhook endpoint is verified based on
an internal list of Certificate Authorities. This means the certificate cannot
be self-signed.
You can turn this off in the webhook settings in your GitLab projects.
## Branch filtering
> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/issues/20338) in GitLab 11.3.
Push events can be filtered by branch using a branch name or wildcard pattern
to limit which push events are sent to your webhook endpoint. By default the
field is blank causing all push events to be sent to your webhook endpoint.
## Events
Below are described the supported events.
### Push events
Triggered when you push to the repository except when pushing tags.
NOTE:
When more than 20 commits are pushed at once, the `commits` webhook
attribute only contains the first 20 for performance reasons. Loading
detailed commit data is expensive. Note that despite only 20 commits being
present in the `commits` attribute, the `total_commits_count` attribute contains the actual total.
NOTE:
If a branch creation push event is generated without new commits being introduced, the
`commits` attribute in the payload is empty.
Also, if a single push includes changes for more than three (by default, depending on
[`push_event_hooks_limit` setting](../../../api/settings.md#list-of-settings-that-can-be-accessed-via-api-calls))
branches, this hook isn't executed.
**Request header**:
```plaintext
X-Gitlab-Event: Push Hook
```
**Request body:**
```json
{
"object_kind": "push",
"before": "95790bf891e76fee5e1747ab589903a6a1f80f22",
"after": "da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
"ref": "refs/heads/master",
"checkout_sha": "da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
"user_id": 4,
"user_name": "John Smith",
"user_username": "jsmith",
"user_email": "john@example.com",
"user_avatar": "https://s.gravatar.com/avatar/d4c74594d841139328695756648b6bd6?s=8://s.gravatar.com/avatar/d4c74594d841139328695756648b6bd6?s=80",
"project_id": 15,
"project":{
"id": 15,
"name":"Diaspora",
"description":"",
"web_url":"http://example.com/mike/diaspora",
"avatar_url":null,
"git_ssh_url":"git@example.com:mike/diaspora.git",
"git_http_url":"http://example.com/mike/diaspora.git",
"namespace":"Mike",
"visibility_level":0,
"path_with_namespace":"mike/diaspora",
"default_branch":"master",
"homepage":"http://example.com/mike/diaspora",
"url":"git@example.com:mike/diaspora.git",
"ssh_url":"git@example.com:mike/diaspora.git",
"http_url":"http://example.com/mike/diaspora.git"
},
"repository":{
"name": "Diaspora",
"url": "git@example.com:mike/diaspora.git",
"description": "",
"homepage": "http://example.com/mike/diaspora",
"git_http_url":"http://example.com/mike/diaspora.git",
"git_ssh_url":"git@example.com:mike/diaspora.git",
"visibility_level":0
},
"commits": [
{
"id": "b6568db1bc1dcd7f8b4d5a946b0b91f9dacd7327",
"message": "Update Catalan translation to e38cb41.\n\nSee https://gitlab.com/gitlab-org/gitlab for more information",
"title": "Update Catalan translation to e38cb41.",
"timestamp": "2011-12-12T14:27:31+02:00",
"url": "http://example.com/mike/diaspora/commit/b6568db1bc1dcd7f8b4d5a946b0b91f9dacd7327",
"author": {
"name": "Jordi Mallach",
"email": "jordi@softcatala.org"
},
"added": ["CHANGELOG"],
"modified": ["app/controller/application.rb"],
"removed": []
},
{
"id": "da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
"message": "fixed readme",
"title": "fixed readme",
"timestamp": "2012-01-03T23:36:29+02:00",
"url": "http://example.com/mike/diaspora/commit/da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
"author": {
"name": "GitLab dev user",
"email": "gitlabdev@dv6700.(none)"
},
"added": ["CHANGELOG"],
"modified": ["app/controller/application.rb"],
"removed": []
}
],
"total_commits_count": 4
}
```
### Tag events
Triggered when you create (or delete) tags to the repository.
NOTE:
If a single push includes changes for more than three (by default, depending on
[`push_event_hooks_limit` setting](../../../api/settings.md#list-of-settings-that-can-be-accessed-via-api-calls))
tags, this hook is not executed.
**Request header**:
```plaintext
X-Gitlab-Event: Tag Push Hook
```
**Request body:**
```json
{
"object_kind": "tag_push",
"before": "0000000000000000000000000000000000000000",
"after": "82b3d5ae55f7080f1e6022629cdb57bfae7cccc7",
"ref": "refs/tags/v1.0.0",
"checkout_sha": "82b3d5ae55f7080f1e6022629cdb57bfae7cccc7",
"user_id": 1,
"user_name": "John Smith",
"user_avatar": "https://s.gravatar.com/avatar/d4c74594d841139328695756648b6bd6?s=8://s.gravatar.com/avatar/d4c74594d841139328695756648b6bd6?s=80",
"project_id": 1,
"project":{
"id": 1,
"name":"Example",
"description":"",
"web_url":"http://example.com/jsmith/example",
"avatar_url":null,
"git_ssh_url":"git@example.com:jsmith/example.git",
"git_http_url":"http://example.com/jsmith/example.git",
"namespace":"Jsmith",
"visibility_level":0,
"path_with_namespace":"jsmith/example",
"default_branch":"master",
"homepage":"http://example.com/jsmith/example",
"url":"git@example.com:jsmith/example.git",
"ssh_url":"git@example.com:jsmith/example.git",
"http_url":"http://example.com/jsmith/example.git"
},
"repository":{
"name": "Example",
"url": "ssh://git@example.com/jsmith/example.git",
"description": "",
"homepage": "http://example.com/jsmith/example",
"git_http_url":"http://example.com/jsmith/example.git",
"git_ssh_url":"git@example.com:jsmith/example.git",
"visibility_level":0
},
"commits": [],
"total_commits_count": 0
}
```
### Issue events
Triggered when a new issue is created or an existing issue was updated/closed/reopened.
**Request header**:
```plaintext
X-Gitlab-Event: Issue Hook
```
**Request body:**
```json
{
"object_kind": "issue",
"event_type": "issue",
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon",
"email": "admin@example.com"
},
"project": {
"id": 1,
"name":"Gitlab Test",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/gitlabhq/gitlab-test",
"avatar_url":null,
"git_ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
"git_http_url":"http://example.com/gitlabhq/gitlab-test.git",
"namespace":"GitlabHQ",
"visibility_level":20,
"path_with_namespace":"gitlabhq/gitlab-test",
"default_branch":"master",
"ci_config_path": null,
"homepage":"http://example.com/gitlabhq/gitlab-test",
"url":"http://example.com/gitlabhq/gitlab-test.git",
"ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
"http_url":"http://example.com/gitlabhq/gitlab-test.git"
},
"object_attributes": {
"id": 301,
"title": "New API: create/update/delete file",
"assignee_ids": [51],
"assignee_id": 51,
"author_id": 51,
"project_id": 14,
"created_at": "2013-12-03T17:15:43Z",
"updated_at": "2013-12-03T17:15:43Z",
"updated_by_id": 1,
"last_edited_at": null,
"last_edited_by_id": null,
"relative_position": 0,
"description": "Create new API for manipulations with repository",
"milestone_id": null,
"state_id": 1,
"confidential": false,
"discussion_locked": true,
"due_date": null,
"moved_to_id": null,
"duplicated_to_id": null,
"time_estimate": 0,
"total_time_spent": 0,
"human_total_time_spent": null,
"human_time_estimate": null,
"weight": null,
"iid": 23,
"url": "http://example.com/diaspora/issues/23",
"state": "opened",
"action": "open",
"labels": [{
"id": 206,
"title": "API",
"color": "#ffffff",
"project_id": 14,
"created_at": "2013-12-03T17:15:43Z",
"updated_at": "2013-12-03T17:15:43Z",
"template": false,
"description": "API related issues",
"type": "ProjectLabel",
"group_id": 41
}]
},
"repository": {
"name": "Gitlab Test",
"url": "http://example.com/gitlabhq/gitlab-test.git",
"description": "Aut reprehenderit ut est.",
"homepage": "http://example.com/gitlabhq/gitlab-test"
},
"assignees": [{
"name": "User1",
"username": "user1",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon"
}],
"assignee": {
"name": "User1",
"username": "user1",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon"
},
"labels": [{
"id": 206,
"title": "API",
"color": "#ffffff",
"project_id": 14,
"created_at": "2013-12-03T17:15:43Z",
"updated_at": "2013-12-03T17:15:43Z",
"template": false,
"description": "API related issues",
"type": "ProjectLabel",
"group_id": 41
}],
"changes": {
"updated_by_id": {
"previous": null,
"current": 1
},
"updated_at": {
"previous": "2017-09-15 16:50:55 UTC",
"current": "2017-09-15 16:52:00 UTC"
},
"labels": {
"previous": [{
"id": 206,
"title": "API",
"color": "#ffffff",
"project_id": 14,
"created_at": "2013-12-03T17:15:43Z",
"updated_at": "2013-12-03T17:15:43Z",
"template": false,
"description": "API related issues",
"type": "ProjectLabel",
"group_id": 41
}],
"current": [{
"id": 205,
"title": "Platform",
"color": "#123123",
"project_id": 14,
"created_at": "2013-12-03T17:15:43Z",
"updated_at": "2013-12-03T17:15:43Z",
"template": false,
"description": "Platform related issues",
"type": "ProjectLabel",
"group_id": 41
}]
}
}
}
```
NOTE:
`assignee` and `assignee_id` keys are deprecated and now show the first assignee only.
### Comment events
Triggered when a new comment is made on commits, merge requests, issues, and code snippets.
The note data is stored in `object_attributes` (for example, `note` or `noteable_type`). The
payload also includes information about the target of the comment. For example,
a comment on an issue includes the specific issue information under the `issue` key.
Valid target types:
- `commit`
- `merge_request`
- `issue`
- `snippet`
#### Comment on commit
**Request header**:
```plaintext
X-Gitlab-Event: Note Hook
```
**Request body:**
```json
{
"object_kind": "note",
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon",
"email": "admin@example.com"
},
"project_id": 5,
"project":{
"id": 5,
"name":"Gitlab Test",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/gitlabhq/gitlab-test",
"avatar_url":null,
"git_ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
"git_http_url":"http://example.com/gitlabhq/gitlab-test.git",
"namespace":"GitlabHQ",
"visibility_level":20,
"path_with_namespace":"gitlabhq/gitlab-test",
"default_branch":"master",
"homepage":"http://example.com/gitlabhq/gitlab-test",
"url":"http://example.com/gitlabhq/gitlab-test.git",
"ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
"http_url":"http://example.com/gitlabhq/gitlab-test.git"
},
"repository":{
"name": "Gitlab Test",
"url": "http://example.com/gitlab-org/gitlab-test.git",
"description": "Aut reprehenderit ut est.",
"homepage": "http://example.com/gitlab-org/gitlab-test"
},
"object_attributes": {
"id": 1243,
"note": "This is a commit comment. How does this work?",
"noteable_type": "Commit",
"author_id": 1,
"created_at": "2015-05-17 18:08:09 UTC",
"updated_at": "2015-05-17 18:08:09 UTC",
"project_id": 5,
"attachment":null,
"line_code": "bec9703f7a456cd2b4ab5fb3220ae016e3e394e3_0_1",
"commit_id": "cfe32cf61b73a0d5e9f13e774abde7ff789b1660",
"noteable_id": null,
"system": false,
"st_diff": {
"diff": "--- /dev/null\n+++ b/six\n@@ -0,0 +1 @@\n+Subproject commit 409f37c4f05865e4fb208c771485f211a22c4c2d\n",
"new_path": "six",
"old_path": "six",
"a_mode": "0",
"b_mode": "160000",
"new_file": true,
"renamed_file": false,
"deleted_file": false
},
"url": "http://example.com/gitlab-org/gitlab-test/commit/cfe32cf61b73a0d5e9f13e774abde7ff789b1660#note_1243"
},
"commit": {
"id": "cfe32cf61b73a0d5e9f13e774abde7ff789b1660",
"message": "Add submodule\n\nSigned-off-by: Example User \u003cuser@example.com.com\u003e\n",
"timestamp": "2014-02-27T10:06:20+02:00",
"url": "http://example.com/gitlab-org/gitlab-test/commit/cfe32cf61b73a0d5e9f13e774abde7ff789b1660",
"author": {
"name": "Example User",
"email": "user@example.com"
}
}
}
```
#### Comment on merge request
**Request header**:
```plaintext
X-Gitlab-Event: Note Hook
```
**Request body:**
```json
{
"object_kind": "note",
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon",
"email": "admin@example.com"
},
"project_id": 5,
"project":{
"id": 5,
"name":"Gitlab Test",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/gitlab-org/gitlab-test",
"avatar_url":null,
"git_ssh_url":"git@example.com:gitlab-org/gitlab-test.git",
"git_http_url":"http://example.com/gitlab-org/gitlab-test.git",
"namespace":"Gitlab Org",
"visibility_level":10,
"path_with_namespace":"gitlab-org/gitlab-test",
"default_branch":"master",
"homepage":"http://example.com/gitlab-org/gitlab-test",
"url":"http://example.com/gitlab-org/gitlab-test.git",
"ssh_url":"git@example.com:gitlab-org/gitlab-test.git",
"http_url":"http://example.com/gitlab-org/gitlab-test.git"
},
"repository":{
"name": "Gitlab Test",
"url": "http://localhost/gitlab-org/gitlab-test.git",
"description": "Aut reprehenderit ut est.",
"homepage": "http://example.com/gitlab-org/gitlab-test"
},
"object_attributes": {
"id": 1244,
"note": "This MR needs work.",
"noteable_type": "MergeRequest",
"author_id": 1,
"created_at": "2015-05-17 18:21:36 UTC",
"updated_at": "2015-05-17 18:21:36 UTC",
"project_id": 5,
"attachment": null,
"line_code": null,
"commit_id": "",
"noteable_id": 7,
"system": false,
"st_diff": null,
"url": "http://example.com/gitlab-org/gitlab-test/merge_requests/1#note_1244"
},
"merge_request": {
"id": 7,
"target_branch": "markdown",
"source_branch": "master",
"source_project_id": 5,
"author_id": 8,
"assignee_id": 28,
"title": "Tempora et eos debitis quae laborum et.",
"created_at": "2015-03-01 20:12:53 UTC",
"updated_at": "2015-03-21 18:27:27 UTC",
"milestone_id": 11,
"state": "opened",
"merge_status": "cannot_be_merged",
"target_project_id": 5,
"iid": 1,
"description": "Et voluptas corrupti assumenda temporibus. Architecto cum animi eveniet amet asperiores. Vitae numquam voluptate est natus sit et ad id.",
"position": 0,
"source":{
"name":"Gitlab Test",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/gitlab-org/gitlab-test",
"avatar_url":null,
"git_ssh_url":"git@example.com:gitlab-org/gitlab-test.git",
"git_http_url":"http://example.com/gitlab-org/gitlab-test.git",
"namespace":"Gitlab Org",
"visibility_level":10,
"path_with_namespace":"gitlab-org/gitlab-test",
"default_branch":"master",
"homepage":"http://example.com/gitlab-org/gitlab-test",
"url":"http://example.com/gitlab-org/gitlab-test.git",
"ssh_url":"git@example.com:gitlab-org/gitlab-test.git",
"http_url":"http://example.com/gitlab-org/gitlab-test.git"
},
"target": {
"name":"Gitlab Test",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/gitlab-org/gitlab-test",
"avatar_url":null,
"git_ssh_url":"git@example.com:gitlab-org/gitlab-test.git",
"git_http_url":"http://example.com/gitlab-org/gitlab-test.git",
"namespace":"Gitlab Org",
"visibility_level":10,
"path_with_namespace":"gitlab-org/gitlab-test",
"default_branch":"master",
"homepage":"http://example.com/gitlab-org/gitlab-test",
"url":"http://example.com/gitlab-org/gitlab-test.git",
"ssh_url":"git@example.com:gitlab-org/gitlab-test.git",
"http_url":"http://example.com/gitlab-org/gitlab-test.git"
},
"last_commit": {
"id": "562e173be03b8ff2efb05345d12df18815438a4b",
"message": "Merge branch 'another-branch' into 'master'\n\nCheck in this test\n",
"timestamp": "2015-04-08T21: 00:25-07:00",
"url": "http://example.com/gitlab-org/gitlab-test/commit/562e173be03b8ff2efb05345d12df18815438a4b",
"author": {
"name": "John Smith",
"email": "john@example.com"
}
},
"work_in_progress": false,
"assignee": {
"name": "User1",
"username": "user1",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon"
}
}
}
```
#### Comment on issue
**Request header**:
```plaintext
X-Gitlab-Event: Note Hook
```
**Request body:**
```json
{
"object_kind": "note",
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon",
"email": "admin@example.com"
},
"project_id": 5,
"project":{
"id": 5,
"name":"Gitlab Test",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/gitlab-org/gitlab-test",
"avatar_url":null,
"git_ssh_url":"git@example.com:gitlab-org/gitlab-test.git",
"git_http_url":"http://example.com/gitlab-org/gitlab-test.git",
"namespace":"Gitlab Org",
"visibility_level":10,
"path_with_namespace":"gitlab-org/gitlab-test",
"default_branch":"master",
"homepage":"http://example.com/gitlab-org/gitlab-test",
"url":"http://example.com/gitlab-org/gitlab-test.git",
"ssh_url":"git@example.com:gitlab-org/gitlab-test.git",
"http_url":"http://example.com/gitlab-org/gitlab-test.git"
},
"repository":{
"name":"diaspora",
"url":"git@example.com:mike/diaspora.git",
"description":"",
"homepage":"http://example.com/mike/diaspora"
},
"object_attributes": {
"id": 1241,
"note": "Hello world",
"noteable_type": "Issue",
"author_id": 1,
"created_at": "2015-05-17 17:06:40 UTC",
"updated_at": "2015-05-17 17:06:40 UTC",
"project_id": 5,
"attachment": null,
"line_code": null,
"commit_id": "",
"noteable_id": 92,
"system": false,
"st_diff": null,
"url": "http://example.com/gitlab-org/gitlab-test/issues/17#note_1241"
},
"issue": {
"id": 92,
"title": "test",
"assignee_ids": [],
"assignee_id": null,
"author_id": 1,
"project_id": 5,
"created_at": "2015-04-12 14:53:17 UTC",
"updated_at": "2015-04-26 08:28:42 UTC",
"position": 0,
"branch_name": null,
"description": "test",
"milestone_id": null,
"state": "closed",
"iid": 17,
"labels": [
{
"id": 25,
"title": "Afterpod",
"color": "#3e8068",
"project_id": null,
"created_at": "2019-06-05T14:32:20.211Z",
"updated_at": "2019-06-05T14:32:20.211Z",
"template": false,
"description": null,
"type": "GroupLabel",
"group_id": 4
},
{
"id": 86,
"title": "Element",
"color": "#231afe",
"project_id": 4,
"created_at": "2019-06-05T14:32:20.637Z",
"updated_at": "2019-06-05T14:32:20.637Z",
"template": false,
"description": null,
"type": "ProjectLabel",
"group_id": null
}
]
}
}
```
NOTE:
`assignee_id` field is deprecated and now shows the first assignee only.
#### Comment on code snippet
**Request header**:
```plaintext
X-Gitlab-Event: Note Hook
```
**Request body:**
```json
{
"object_kind": "note",
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon",
"email": "admin@example.com"
},
"project_id": 5,
"project":{
"id": 5,
"name":"Gitlab Test",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/gitlab-org/gitlab-test",
"avatar_url":null,
"git_ssh_url":"git@example.com:gitlab-org/gitlab-test.git",
"git_http_url":"http://example.com/gitlab-org/gitlab-test.git",
"namespace":"Gitlab Org",
"visibility_level":10,
"path_with_namespace":"gitlab-org/gitlab-test",
"default_branch":"master",
"homepage":"http://example.com/gitlab-org/gitlab-test",
"url":"http://example.com/gitlab-org/gitlab-test.git",
"ssh_url":"git@example.com:gitlab-org/gitlab-test.git",
"http_url":"http://example.com/gitlab-org/gitlab-test.git"
},
"repository":{
"name":"Gitlab Test",
"url":"http://example.com/gitlab-org/gitlab-test.git",
"description":"Aut reprehenderit ut est.",
"homepage":"http://example.com/gitlab-org/gitlab-test"
},
"object_attributes": {
"id": 1245,
"note": "Is this snippet doing what it's supposed to be doing?",
"noteable_type": "Snippet",
"author_id": 1,
"created_at": "2015-05-17 18:35:50 UTC",
"updated_at": "2015-05-17 18:35:50 UTC",
"project_id": 5,
"attachment": null,
"line_code": null,
"commit_id": "",
"noteable_id": 53,
"system": false,
"st_diff": null,
"url": "http://example.com/gitlab-org/gitlab-test/snippets/53#note_1245"
},
"snippet": {
"id": 53,
"title": "test",
"content": "puts 'Hello world'",
"author_id": 1,
"project_id": 5,
"created_at": "2015-04-09 02:40:38 UTC",
"updated_at": "2015-04-09 02:40:38 UTC",
"file_name": "test.rb",
"expires_at": null,
"type": "ProjectSnippet",
"visibility_level": 0
}
}
```
### Merge request events
Triggered when a new merge request is created, an existing merge request was updated/merged/closed or a commit is added in the source branch.
**Request header**:
```plaintext
X-Gitlab-Event: Merge Request Hook
```
**Request body:**
```json
{
"object_kind": "merge_request",
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon",
"email": "admin@example.com"
},
"project": {
"id": 1,
"name":"Gitlab Test",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/gitlabhq/gitlab-test",
"avatar_url":null,
"git_ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
"git_http_url":"http://example.com/gitlabhq/gitlab-test.git",
"namespace":"GitlabHQ",
"visibility_level":20,
"path_with_namespace":"gitlabhq/gitlab-test",
"default_branch":"master",
"homepage":"http://example.com/gitlabhq/gitlab-test",
"url":"http://example.com/gitlabhq/gitlab-test.git",
"ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
"http_url":"http://example.com/gitlabhq/gitlab-test.git"
},
"repository": {
"name": "Gitlab Test",
"url": "http://example.com/gitlabhq/gitlab-test.git",
"description": "Aut reprehenderit ut est.",
"homepage": "http://example.com/gitlabhq/gitlab-test"
},
"object_attributes": {
"id": 99,
"target_branch": "master",
"source_branch": "ms-viewport",
"source_project_id": 14,
"author_id": 51,
"assignee_id": 6,
"title": "MS-Viewport",
"created_at": "2013-12-03T17:23:34Z",
"updated_at": "2013-12-03T17:23:34Z",
"milestone_id": null,
"state": "opened",
"merge_status": "unchecked",
"target_project_id": 14,
"iid": 1,
"description": "",
"source": {
"name":"Awesome Project",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/awesome_space/awesome_project",
"avatar_url":null,
"git_ssh_url":"git@example.com:awesome_space/awesome_project.git",
"git_http_url":"http://example.com/awesome_space/awesome_project.git",
"namespace":"Awesome Space",
"visibility_level":20,
"path_with_namespace":"awesome_space/awesome_project",
"default_branch":"master",
"homepage":"http://example.com/awesome_space/awesome_project",
"url":"http://example.com/awesome_space/awesome_project.git",
"ssh_url":"git@example.com:awesome_space/awesome_project.git",
"http_url":"http://example.com/awesome_space/awesome_project.git"
},
"target": {
"name":"Awesome Project",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/awesome_space/awesome_project",
"avatar_url":null,
"git_ssh_url":"git@example.com:awesome_space/awesome_project.git",
"git_http_url":"http://example.com/awesome_space/awesome_project.git",
"namespace":"Awesome Space",
"visibility_level":20,
"path_with_namespace":"awesome_space/awesome_project",
"default_branch":"master",
"homepage":"http://example.com/awesome_space/awesome_project",
"url":"http://example.com/awesome_space/awesome_project.git",
"ssh_url":"git@example.com:awesome_space/awesome_project.git",
"http_url":"http://example.com/awesome_space/awesome_project.git"
},
"last_commit": {
"id": "da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
"message": "fixed readme",
"timestamp": "2012-01-03T23:36:29+02:00",
"url": "http://example.com/awesome_space/awesome_project/commits/da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
"author": {
"name": "GitLab dev user",
"email": "gitlabdev@dv6700.(none)"
}
},
"work_in_progress": false,
"url": "http://example.com/diaspora/merge_requests/1",
"action": "open",
"assignee": {
"name": "User1",
"username": "user1",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon"
}
},
"labels": [{
"id": 206,
"title": "API",
"color": "#ffffff",
"project_id": 14,
"created_at": "2013-12-03T17:15:43Z",
"updated_at": "2013-12-03T17:15:43Z",
"template": false,
"description": "API related issues",
"type": "ProjectLabel",
"group_id": 41
}],
"changes": {
"updated_by_id": {
"previous": null,
"current": 1
},
"updated_at": {
"previous": "2017-09-15 16:50:55 UTC",
"current":"2017-09-15 16:52:00 UTC"
},
"labels": {
"previous": [{
"id": 206,
"title": "API",
"color": "#ffffff",
"project_id": 14,
"created_at": "2013-12-03T17:15:43Z",
"updated_at": "2013-12-03T17:15:43Z",
"template": false,
"description": "API related issues",
"type": "ProjectLabel",
"group_id": 41
}],
"current": [{
"id": 205,
"title": "Platform",
"color": "#123123",
"project_id": 14,
"created_at": "2013-12-03T17:15:43Z",
"updated_at": "2013-12-03T17:15:43Z",
"template": false,
"description": "Platform related issues",
"type": "ProjectLabel",
"group_id": 41
}]
}
}
}
```
### Wiki Page events
Triggered when a wiki page is created, updated or deleted.
**Request Header**:
```plaintext
X-Gitlab-Event: Wiki Page Hook
```
**Request Body**:
```json
{
"object_kind": "wiki_page",
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80\u0026d=identicon",
"email": "admin@example.com"
},
"project": {
"id": 1,
"name": "awesome-project",
"description": "This is awesome",
"web_url": "http://example.com/root/awesome-project",
"avatar_url": null,
"git_ssh_url": "git@example.com:root/awesome-project.git",
"git_http_url": "http://example.com/root/awesome-project.git",
"namespace": "root",
"visibility_level": 0,
"path_with_namespace": "root/awesome-project",
"default_branch": "master",
"homepage": "http://example.com/root/awesome-project",
"url": "git@example.com:root/awesome-project.git",
"ssh_url": "git@example.com:root/awesome-project.git",
"http_url": "http://example.com/root/awesome-project.git"
},
"wiki": {
"web_url": "http://example.com/root/awesome-project/-/wikis/home",
"git_ssh_url": "git@example.com:root/awesome-project.wiki.git",
"git_http_url": "http://example.com/root/awesome-project.wiki.git",
"path_with_namespace": "root/awesome-project.wiki",
"default_branch": "master"
},
"object_attributes": {
"title": "Awesome",
"content": "awesome content goes here",
"format": "markdown",
"message": "adding an awesome page to the wiki",
"slug": "awesome",
"url": "http://example.com/root/awesome-project/-/wikis/awesome",
"action": "create"
}
}
```
### Pipeline events
Triggered on status change of Pipeline.
**Request Header**:
```plaintext
X-Gitlab-Event: Pipeline Hook
```
**Request Body**:
```json
{
"object_kind": "pipeline",
"object_attributes":{
"id": 31,
"ref": "master",
"tag": false,
"sha": "bcbb5ec396a2c0f828686f14fac9b80b780504f2",
"before_sha": "bcbb5ec396a2c0f828686f14fac9b80b780504f2",
"source": "merge_request_event",
"status": "success",
"stages":[
"build",
"test",
"deploy"
],
"created_at": "2016-08-12 15:23:28 UTC",
"finished_at": "2016-08-12 15:26:29 UTC",
"duration": 63,
"variables": [
{
"key": "NESTOR_PROD_ENVIRONMENT",
"value": "us-west-1"
}
]
},
"merge_request": {
"id": 1,
"iid": 1,
"title": "Test",
"source_branch": "test",
"source_project_id": 1,
"target_branch": "master",
"target_project_id": 1,
"state": "opened",
"merge_status": "can_be_merged",
"url": "http://192.168.64.1:3005/gitlab-org/gitlab-test/merge_requests/1"
},
"user":{
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e32bd13e2add097461cb96824b7a829c?s=80\u0026d=identicon",
"email": "user_email@gitlab.com"
},
"project":{
"id": 1,
"name": "Gitlab Test",
"description": "Atque in sunt eos similique dolores voluptatem.",
"web_url": "http://192.168.64.1:3005/gitlab-org/gitlab-test",
"avatar_url": null,
"git_ssh_url": "git@192.168.64.1:gitlab-org/gitlab-test.git",
"git_http_url": "http://192.168.64.1:3005/gitlab-org/gitlab-test.git",
"namespace": "Gitlab Org",
"visibility_level": 20,
"path_with_namespace": "gitlab-org/gitlab-test",
"default_branch": "master"
},
"commit":{
"id": "bcbb5ec396a2c0f828686f14fac9b80b780504f2",
"message": "test\n",
"timestamp": "2016-08-12T17:23:21+02:00",
"url": "http://example.com/gitlab-org/gitlab-test/commit/bcbb5ec396a2c0f828686f14fac9b80b780504f2",
"author":{
"name": "User",
"email": "user@gitlab.com"
}
},
"builds":[
{
"id": 380,
"stage": "deploy",
"name": "production",
"status": "skipped",
"created_at": "2016-08-12 15:23:28 UTC",
"started_at": null,
"finished_at": null,
"when": "manual",
"manual": true,
"allow_failure": false,
"user":{
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e32bd13e2add097461cb96824b7a829c?s=80\u0026d=identicon",
"email": "admin@example.com"
},
"runner": null,
"artifacts_file":{
"filename": null,
"size": null
}
},
{
"id": 377,
"stage": "test",
"name": "test-image",
"status": "success",
"created_at": "2016-08-12 15:23:28 UTC",
"started_at": "2016-08-12 15:26:12 UTC",
"finished_at": null,
"when": "on_success",
"manual": false,
"allow_failure": false,
"user":{
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e32bd13e2add097461cb96824b7a829c?s=80\u0026d=identicon",
"email": "admin@example.com"
},
"runner": {
"id":380987,
"description":"shared-runners-manager-6.gitlab.com",
"active":true,
"is_shared":true
},
"artifacts_file":{
"filename": null,
"size": null
}
},
{
"id": 378,
"stage": "test",
"name": "test-build",
"status": "success",
"created_at": "2016-08-12 15:23:28 UTC",
"started_at": "2016-08-12 15:26:12 UTC",
"finished_at": "2016-08-12 15:26:29 UTC",
"when": "on_success",
"manual": false,
"allow_failure": false,
"user":{
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e32bd13e2add097461cb96824b7a829c?s=80\u0026d=identicon",
"email": "admin@example.com"
},
"runner": {
"id":380987,
"description":"shared-runners-manager-6.gitlab.com",
"active":true,
"is_shared":true
},
"artifacts_file":{
"filename": null,
"size": null
}
},
{
"id": 376,
"stage": "build",
"name": "build-image",
"status": "success",
"created_at": "2016-08-12 15:23:28 UTC",
"started_at": "2016-08-12 15:24:56 UTC",
"finished_at": "2016-08-12 15:25:26 UTC",
"when": "on_success",
"manual": false,
"allow_failure": false,
"user":{
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e32bd13e2add097461cb96824b7a829c?s=80\u0026d=identicon",
"email": "admin@example.com"
},
"runner": {
"id":380987,
"description":"shared-runners-manager-6.gitlab.com",
"active":true,
"is_shared":true
},
"artifacts_file":{
"filename": null,
"size": null
}
},
{
"id": 379,
"stage": "deploy",
"name": "staging",
"status": "created",
"created_at": "2016-08-12 15:23:28 UTC",
"started_at": null,
"finished_at": null,
"when": "on_success",
"manual": false,
"allow_failure": false,
"user":{
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "http://www.gravatar.com/avatar/e32bd13e2add097461cb96824b7a829c?s=80\u0026d=identicon",
"email": "admin@example.com"
},
"runner": null,
"artifacts_file":{
"filename": null,
"size": null
}
}
]
}
```
### Job events
Triggered on status change of a job.
**Request Header**:
```plaintext
X-Gitlab-Event: Job Hook
```
**Request Body**:
```json
{
"object_kind": "build",
"ref": "gitlab-script-trigger",
"tag": false,
"before_sha": "2293ada6b400935a1378653304eaf6221e0fdb8f",
"sha": "2293ada6b400935a1378653304eaf6221e0fdb8f",
"build_id": 1977,
"build_name": "test",
"build_stage": "test",
"build_status": "created",
"build_started_at": null,
"build_finished_at": null,
"build_duration": null,
"build_allow_failure": false,
"build_failure_reason": "script_failure",
"pipeline_id": 2366,
"project_id": 380,
"project_name": "gitlab-org/gitlab-test",
"user": {
"id": 3,
"name": "User",
"email": "user@gitlab.com",
"avatar_url": "http://www.gravatar.com/avatar/e32bd13e2add097461cb96824b7a829c?s=80\u0026d=identicon",
"email": "admin@example.com"
},
"commit": {
"id": 2366,
"sha": "2293ada6b400935a1378653304eaf6221e0fdb8f",
"message": "test\n",
"author_name": "User",
"author_email": "user@gitlab.com",
"status": "created",
"duration": null,
"started_at": null,
"finished_at": null
},
"repository": {
"name": "gitlab_test",
"description": "Atque in sunt eos similique dolores voluptatem.",
"homepage": "http://192.168.64.1:3005/gitlab-org/gitlab-test",
"git_ssh_url": "git@192.168.64.1:gitlab-org/gitlab-test.git",
"git_http_url": "http://192.168.64.1:3005/gitlab-org/gitlab-test.git",
"visibility_level": 20
},
"runner": {
"active": true,
"is_shared": false,
"id": 380987,
"description": "shared-runners-manager-6.gitlab.com"
}
}
```
Note that `commit.id` is the ID of the pipeline, not the ID of the commit.
### Deployment events
Triggered when a deployment:
- Starts ([Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/41214) in GitLab 13.5.)
- Succeeds
- Fails
- Is cancelled
**Request Header**:
```plaintext
X-Gitlab-Event: Deployment Hook
```
**Request Body**:
```json
{
"object_kind": "deployment",
"status": "success",
"deployable_id": 796,
"deployable_url": "http://10.126.0.2:3000/root/test-deployment-webhooks/-/jobs/796",
"environment": "staging",
"project": {
"id": 30,
"name": "test-deployment-webhooks",
"description": "",
"web_url": "http://10.126.0.2:3000/root/test-deployment-webhooks",
"avatar_url": null,
"git_ssh_url": "ssh://vlad@10.126.0.2:2222/root/test-deployment-webhooks.git",
"git_http_url": "http://10.126.0.2:3000/root/test-deployment-webhooks.git",
"namespace": "Administrator",
"visibility_level": 0,
"path_with_namespace": "root/test-deployment-webhooks",
"default_branch": "master",
"ci_config_path": "",
"homepage": "http://10.126.0.2:3000/root/test-deployment-webhooks",
"url": "ssh://vlad@10.126.0.2:2222/root/test-deployment-webhooks.git",
"ssh_url": "ssh://vlad@10.126.0.2:2222/root/test-deployment-webhooks.git",
"http_url": "http://10.126.0.2:3000/root/test-deployment-webhooks.git"
},
"short_sha": "279484c0",
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80&d=identicon",
"email": "admin@example.com"
},
"user_url": "http://10.126.0.2:3000/root",
"commit_url": "http://10.126.0.2:3000/root/test-deployment-webhooks/-/commit/279484c09fbe69ededfced8c1bb6e6d24616b468",
"commit_title": "Add new file"
}
```
Note that `deployable_id` is the ID of the CI job.
### Group member events **(PREMIUM)**
> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/260347) in GitLab 13.7.
Member events are triggered when:
- A user is added as a group member
- The access level of a user has changed
- The expiration date for user access has been updated
- A user has been removed from the group
#### Add member to group
**Request Header**:
```plaintext
X-Gitlab-Event: Member Hook
```
**Request Body**:
```json
{
"created_at": "2020-12-11T04:57:22Z",
"updated_at": "2020-12-11T04:57:22Z",
"group_name": "webhook-test",
"group_path": "webhook-test",
"group_id": 100,
"user_username": "test_user",
"user_name": "Test User",
"user_email": "testuser@webhooktest.com",
"user_id": 64,
"group_access": "Guest",
"group_plan": null,
"expires_at": "2020-12-14T00:00:00Z",
"event_name": "user_add_to_group"
}
```
#### Update member access level or expiration date
**Request Header**:
```plaintext
X-Gitlab-Event: Member Hook
```
**Request Body**:
```json
{
"created_at": "2020-12-11T04:57:22Z",
"updated_at": "2020-12-12T08:48:19Z",
"group_name": "webhook-test",
"group_path": "webhook-test",
"group_id": 100,
"user_username": "test_user",
"user_name": "Test User",
"user_email": "testuser@webhooktest.com",
"user_id": 64,
"group_access": "Developer",
"group_plan": null,
"expires_at": "2020-12-20T00:00:00Z",
"event_name": "user_update_for_group"
}
```
#### Remove member from group
**Request Header**:
```plaintext
X-Gitlab-Event: Member Hook
```
**Request Body**:
```json
{
"created_at": "2020-12-11T04:57:22Z",
"updated_at": "2020-12-12T08:52:34Z",
"group_name": "webhook-test",
"group_path": "webhook-test",
"group_id": 100,
"user_username": "test_user",
"user_name": "Test User",
"user_email": "testuser@webhooktest.com",
"user_id": 64,
"group_access": "Guest",
"group_plan": null,
"expires_at": "2020-12-14T00:00:00Z",
"event_name": "user_remove_from_group"
}
```
### Feature Flag events
Triggered when a feature flag is turned on or off.
**Request Header**:
```plaintext
X-Gitlab-Event: Feature Flag Hook
```
**Request Body**:
```json
{
"object_kind": "feature_flag",
"project": {
"id": 1,
"name":"Gitlab Test",
"description":"Aut reprehenderit ut est.",
"web_url":"http://example.com/gitlabhq/gitlab-test",
"avatar_url":null,
"git_ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
"git_http_url":"http://example.com/gitlabhq/gitlab-test.git",
"namespace":"GitlabHQ",
"visibility_level":20,
"path_with_namespace":"gitlabhq/gitlab-test",
"default_branch":"master",
"ci_config_path": null,
"homepage":"http://example.com/gitlabhq/gitlab-test",
"url":"http://example.com/gitlabhq/gitlab-test.git",
"ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
"http_url":"http://example.com/gitlabhq/gitlab-test.git"
},
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"avatar_url": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80&d=identicon",
"email": "admin@example.com"
},
"user_url": "http://example.com/root",
"object_attributes": {
"id": 6,
"name": "test-feature-flag",
"description": "test-feature-flag-description",
"active": true
}
}
```
### Release events
Triggered when a release is created or updated.
**Request Header**:
```plaintext
X-Gitlab-Event: Release Hook
```
**Request Body**:
```json
{
"id": 1,
"created_at": "2020-11-02 12:55:12 UTC",
"description": "v1.0 has been released",
"name": "v1.1",
"released_at": "2020-11-02 12:55:12 UTC",
"tag": "v1.1",
"object_kind": "release",
"project": {
"id": 2,
"name": "release-webhook-example",
"description": "",
"web_url": "https://example.com/gitlab-org/release-webhook-example",
"avatar_url": null,
"git_ssh_url": "ssh://git@example.com/gitlab-org/release-webhook-example.git",
"git_http_url": "https://example.com/gitlab-org/release-webhook-example.git",
"namespace": "Gitlab",
"visibility_level": 0,
"path_with_namespace": "gitlab-org/release-webhook-example",
"default_branch": "master",
"ci_config_path": null,
"homepage": "https://example.com/gitlab-org/release-webhook-example",
"url": "ssh://git@example.com/gitlab-org/release-webhook-example.git",
"ssh_url": "ssh://git@example.com/gitlab-org/release-webhook-example.git",
"http_url": "https://example.com/gitlab-org/release-webhook-example.git"
},
"url": "https://example.com/gitlab-org/release-webhook-example/-/releases/v1.1",
"action": "create",
"assets": {
"count": 5,
"links": [
{
"id": 1,
"external": true,
"link_type": "other",
"name": "Changelog",
"url": "https://example.net/changelog"
}
],
"sources": [
{
"format": "zip",
"url": "https://example.com/gitlab-org/release-webhook-example/-/archive/v1.1/release-webhook-example-v1.1.zip"
},
{
"format": "tar.gz",
"url": "https://example.com/gitlab-org/release-webhook-example/-/archive/v1.1/release-webhook-example-v1.1.tar.gz"
},
{
"format": "tar.bz2",
"url": "https://example.com/gitlab-org/release-webhook-example/-/archive/v1.1/release-webhook-example-v1.1.tar.bz2"
},
{
"format": "tar",
"url": "https://example.com/gitlab-org/release-webhook-example/-/archive/v1.1/release-webhook-example-v1.1.tar"
}
]
},
"commit": {
"id": "ee0a3fb31ac16e11b9dbb596ad16d4af654d08f8",
"message": "Release v1.1",
"title": "Release v1.1",
"timestamp": "2020-10-31T14:58:32+11:00",
"url": "https://example.com/gitlab-org/release-webhook-example/-/commit/ee0a3fb31ac16e11b9dbb596ad16d4af654d08f8",
"author": {
"name": "Example User",
"email": "user@example.com"
}
}
}
```
## Image URL rewriting
From GitLab 11.2, simple image references are rewritten to use an absolute URL
in webhooks. So if an image, merge request, comment, or wiki page has this in
its description:
```markdown
![image](/uploads/$sha/image.png)
```
It appears in the webhook body as follows assuming that:
- GitLab is installed at `gitlab.example.com`.
- The project is at `example-group/example-project`.
```markdown
![image](https://gitlab.example.com/example-group/example-project/uploads/$sha/image.png)
```
This doesn't rewrite URLs that already are pointing to HTTP, HTTPS, or
protocol-relative URLs. It also doesn't rewrite image URLs using advanced
Markdown features, like link labels.
## Testing webhooks
You can trigger the webhook manually. Sample data from the project is used.
For example, for triggering `Push Events` your project should have at least one commit.
![Webhook testing](img/webhook_testing.png)
## Troubleshoot webhooks
GitLab stores each perform of the webhook.
You can find records for last 2 days in "Recent Deliveries" section on the edit page of each webhook.
![Recent deliveries](img/webhook_logs.png)
In this section you can see:
- HTTP status code (green for `200-299` codes, red for the others, `internal error` for failed deliveries).
- Triggered event.
- A time when the event was called.
- Elapsed time of the request.
If you need more information about execution, you can click `View details` link.
On this page, you can see data that GitLab sends (request headers and body) and data that it received (response headers and body).
From this page, you can repeat delivery with the same data by clicking `Resend Request` button.
NOTE:
If URL or secret token of the webhook were updated, data is delivered to the new address.
### Webhook fails or multiple webhook requests are triggered
When GitLab sends a webhook, it expects a response in 10 seconds by default. If it does not receive
one, it retries the webhook. If the endpoint doesn't send its HTTP response within those 10 seconds,
GitLab may decide the hook failed and retry it.
If your webhooks are failing or you are receiving multiple requests, you can try changing the
default value. You can do this by uncommenting or adding the following setting to your
`/etc/gitlab/gitlab.rb` file:
```ruby
gitlab_rails['webhook_timeout'] = 10
```
### Unable to get local issuer certificate
When SSL verification is enabled, this error indicates that GitLab isn't able to verify the SSL certificate of the webhook endpoint.
Typically, this is because the root certificate isn't issued by a trusted certification authority as
determined by [CAcert.org](http://www.cacert.org/).
Should that not be the case, consider using [SSL Checker](https://www.sslshopper.com/ssl-checker.html) to identify faults.
Missing intermediate certificates are a common point of verification failure.
## Example webhook receiver
If you want to see GitLab webhooks in action for testing purposes you can use
a simple echo script running in a console session. For the following script to
work you need to have Ruby installed.
Save the following file as `print_http_body.rb`:
```ruby
require 'webrick'
server = WEBrick::HTTPServer.new(:Port => ARGV.first)
server.mount_proc '/' do |req, res|
puts req.body
end
trap 'INT' do
server.shutdown
end
server.start
```
Pick an unused port (for example, `8000`) and start the script: `ruby print_http_body.rb
8000`. Then add your server as a webhook receiver in GitLab as
`http://my.host:8000/`.
When you press 'Test' in GitLab, you should see something like this in the
console:
```plaintext
{"before":"077a85dd266e6f3573ef7e9ef8ce3343ad659c4e","after":"95cd4a99e93bc4bbabacfa2cd10e6725b1403c60",<SNIP>}
example.com - - [14/May/2014:07:45:26 EDT] "POST / HTTP/1.1" 200 0
- -> /
```
NOTE:
You may need to [allow requests to the local network](../../../security/webhooks.md) for this
receiver to be added.
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