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-rw-r--r--doc/api/lint.md49
1 files changed, 45 insertions, 4 deletions
diff --git a/doc/api/lint.md b/doc/api/lint.md
index f4d8a0bc011..df7198ac5c6 100644
--- a/doc/api/lint.md
+++ b/doc/api/lint.md
@@ -4,11 +4,14 @@ group: Continuous Integration
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/#designated-technical-writers
---
-# Validate the `.gitlab-ci.yml` (API)
+# CI Lint API
+
+## Validate the CI YAML config
> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/5953) in GitLab 8.12.
-Checks if your `.gitlab-ci.yml` file is valid.
+Checks if CI/CD YAML configuration is valid. This endpoint validates basic CI/CD
+configuration syntax. It doesn't have any namespace specific context.
```plaintext
POST /ci/lint
@@ -16,13 +19,15 @@ POST /ci/lint
| Attribute | Type | Required | Description |
| ---------- | ------- | -------- | -------- |
-| `content` | string | yes | the `.gitlab-ci.yaml` content|
+| `content` | string | yes | The CI/CD configuration content. |
+| `include_merged_yaml` | boolean | no | If the [expanded CI/CD configuration](#yaml-expansion) should be included in the response. |
```shell
curl --header "Content-Type: application/json" "https://gitlab.example.com/api/v4/ci/lint" --data '{"content": "{ \"image\": \"ruby:2.6\", \"services\": [\"postgres\"], \"before_script\": [\"bundle install\", \"bundle exec rake db:create\"], \"variables\": {\"DB_NAME\": \"postgres\"}, \"types\": [\"test\", \"deploy\", \"notify\"], \"rspec\": { \"script\": \"rake spec\", \"tags\": [\"ruby\", \"postgres\"], \"only\": [\"branches\"]}}"}'
```
-Be sure to copy paste the exact contents of `.gitlab-ci.yml` as YAML is very picky about indentation and spaces.
+Be sure to paste the exact contents of your GitLab CI/CD YAML config because YAML
+is very sensitive about indentation and spacing.
Example responses:
@@ -53,3 +58,39 @@ Example responses:
"error": "content is missing"
}
```
+
+### YAML expansion
+
+The expansion only works for CI configurations that don't have local [includes](../ci/yaml/README.md#include).
+
+Example contents of a `.gitlab-ci.yml` passed to the CI Lint API with
+`include_merged_yaml` set as true:
+
+```yaml
+include:
+ remote: 'https://example.com/remote.yaml'
+
+test:
+ stage: test
+ script:
+ - echo 1
+```
+
+Example contents of `https://example.com/remote.yaml`:
+
+```yaml
+another_test:
+ stage: test
+ script:
+ - echo 2
+```
+
+Example response:
+
+```json
+{
+ "status": "valid",
+ "errors": [],
+ "merged_config": "---\n:another_test:\n :stage: test\n :script: echo 2\n:test:\n :stage: test\n :script: echo 1\n"
+}
+```