Automatic merge of gitlab-org/gitlab-ce master

doc/administration/raketasks/ldap.md

@@ -28,6 +28,31 @@ limit by passing a number to the check task:
 rake gitlab:ldap:check[50]
 ```
 
+## Run a Group Sync
+
+> [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/14735) in [GitLab Starter](https://about.gitlab.com/pricing/) 12.3.
+
+The following task will run a [group sync](../auth/ldap-ee.md#group-sync) immediately. This is valuable
+when you'd like to update all configured group memberships against LDAP without
+waiting for the next scheduled group sync to be run.
+
+NOTE: **NOTE:**
+If you'd like to change the frequency at which a group sync is performed,
+[adjust the cron schedule](../auth/ldap-ee.md#adjusting-ldap-group-sync-schedule)
+instead.
+
+**Omnibus Installation**
+
+```
+sudo gitlab-rake gitlab:ldap:group_sync
+```
+
+**Source Installation**
+
+```bash
+bundle exec rake gitlab:ldap:group_sync
+```
+
 ## Rename a provider
 
 If you change the LDAP server ID in `gitlab.yml` or `gitlab.rb` you will need

doc/ci/docker/using_docker_build.md

@@ -91,7 +91,7 @@ NOTE: **Note:**
 By adding `gitlab-runner` to the `docker` group you are effectively granting `gitlab-runner` full root permissions.
 For more information please read [On Docker security: `docker` group considered harmful](https://www.andreas-jung.com/contents/on-docker-security-docker-group-considered-harmful).
 
-### Use docker-in-docker executor
+### Use docker-in-docker workflow with Docker executor
 
 The second approach is to use the special docker-in-docker (dind)
 [Docker image](https://hub.docker.com/_/docker/) with all tools installed

doc/ci/docker/using_kaniko.md

@@ -11,7 +11,8 @@ Requires GitLab Runner 11.2 and above.
 container images from a Dockerfile, inside a container or Kubernetes cluster.
 
 kaniko solves two problems with using the
-[docker-in-docker build](using_docker_build.md#use-docker-in-docker-executor) method:
+[docker-in-docker
+build](using_docker_build.md#use-docker-in-docker-workflow-with-docker-executor) method:
 
 - Docker-in-docker requires [privileged mode](https://docs.docker.com/engine/reference/run/#runtime-privilege-and-linux-capabilities)
   in order to function, which is a significant security concern.

doc/ci/examples/browser_performance.md

@@ -15,7 +15,7 @@ your code by using GitLab CI/CD and [sitespeed.io](https://www.sitespeed.io)
 using Docker-in-Docker.
 
 First, you need GitLab Runner with
-[docker-in-docker executor](../docker/using_docker_build.md#use-docker-in-docker-executor).
+[docker-in-docker build](../docker/using_docker_build.md#use-docker-in-docker-workflow-with-docker-executor).
 
 Once you set up the Runner, add a new job to `.gitlab-ci.yml` that
 generates the expected report:
@@ -155,4 +155,4 @@ performance:
     paths:
       - performance.json
       - sitespeed-results/
-```
\ No newline at end of file
+```

doc/ci/examples/code_quality.md

@@ -14,7 +14,7 @@ This example shows how to run Code Quality on your code by using GitLab CI/CD
 and Docker.
 
 First, you need GitLab Runner with
-[docker-in-docker executor](../docker/using_docker_build.md#use-docker-in-docker-executor).
+[docker-in-docker executor](../docker/using_docker_build.md#use-docker-in-docker-workflow-with-docker-executor).
 
 Once you set up the Runner, include the CodeQuality template in your CI config:
 

doc/ci/yaml/README.md

@@ -1771,18 +1771,41 @@ sequentially from `job_name 1/N` to `job_name N/N`.
 
 For every job, `CI_NODE_INDEX` and `CI_NODE_TOTAL` [environment variables](../variables/README.md#predefined-environment-variables) are set.
 
-A simple example:
+Marking a job to be run in parallel requires only a simple addition to your configuration file:
 
-```yaml
-test:
-  script: rspec
-  parallel: 5
+```diff
+ test:
+   script: rspec
++  parallel: 5
 ```
-
 TIP: **Tip:**
 Parallelize tests suites across parallel jobs.
 Different languages have different tools to facilitate this.
 
+A simple example using [Sempahore Test Boosters](https://github.com/renderedtext/test-boosters) and RSpec to run some Ruby tests:
+
+```ruby
+# Gemfile
+source 'https://rubygems.org'
+
+gem 'rspec'
+gem 'semaphore_test_boosters'
+```
+
+```yaml
+test:
+  parallel: 3
+  script:
+    - bundle
+    - bundle exec rspec_booster --job $CI_NODE_INDEX/$CI_NODE_TOTAL
+```
+
+CAUTION: **Caution:**
+Please be aware that semaphore_test_boosters reports usages statistics to the author.
+
+You can then navigate to the **Jobs** tab of a new pipeline build and see your RSpec
+job split into three separate jobs.
+
 ### `trigger` **(PREMIUM)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/8997) in [GitLab Premium](https://about.gitlab.com/pricing/) 11.8.