Commit a1c2b168 authored by Mark Pundsack's avatar Mark Pundsack

Add pipeline image

parent a0fefc2a
...@@ -9,8 +9,9 @@ GitLab offers a [continuous integration][ci] service. If you ...@@ -9,8 +9,9 @@ GitLab offers a [continuous integration][ci] service. If you
and configure your GitLab project to use a [Runner], then each merge request or and configure your GitLab project to use a [Runner], then each merge request or
push triggers your CI [pipeline]. push triggers your CI [pipeline].
The `.gitlab-ci.yml` file tells the GitLab runner what to do. By default it The `.gitlab-ci.yml` file tells the GitLab runner what to do. By default it runs
runs a pipeline with three [stages]: `build`, `test`, and `deploy`. a pipeline with three [stages]: `build`, `test`, and `deploy`. You don't need to
use all three stages; stages with no jobs are simply ignored.
If everything runs OK (no non-zero return values), you'll get a nice green If everything runs OK (no non-zero return values), you'll get a nice green
checkmark associated with the pushed commit or merge request. This makes it checkmark associated with the pushed commit or merge request. This makes it
...@@ -56,15 +57,14 @@ On any push to your repository, GitLab will look for the `.gitlab-ci.yml` ...@@ -56,15 +57,14 @@ On any push to your repository, GitLab will look for the `.gitlab-ci.yml`
file and start builds on _Runners_ according to the contents of the file, file and start builds on _Runners_ according to the contents of the file,
for that commit. for that commit.
Because `.gitlab-ci.yml` is in the repository, it is version controlled, Because `.gitlab-ci.yml` is in the repository and is version controlled, old
old versions still build successfully, forks can easily make use of CI, versions still build successfully, forks can easily make use of CI, branches can
branches can have separate builds and you have a single source of truth for CI. have different pipelines and jobs, and you have a single source of truth for CI.
You can read more about the reasons why we are using `.gitlab-ci.yml` You can read more about the reasons why we are using `.gitlab-ci.yml` [in our
[in our blog about it][blog-ci]. blog about it][blog-ci].
**Note:** `.gitlab-ci.yml` is a [YAML](https://en.wikipedia.org/wiki/YAML) file **Note:** `.gitlab-ci.yml` is a [YAML](https://en.wikipedia.org/wiki/YAML) file
so you have to pay extra attention to the indentation. Always use spaces, not so you have to pay extra attention to indentation. Always use spaces, not tabs.
tabs.
### Creating a simple `.gitlab-ci.yml` file ### Creating a simple `.gitlab-ci.yml` file
...@@ -107,7 +107,7 @@ If you want to check whether your `.gitlab-ci.yml` file is valid, there is a ...@@ -107,7 +107,7 @@ If you want to check whether your `.gitlab-ci.yml` file is valid, there is a
Lint tool under the page `/ci/lint` of your GitLab instance. You can also find Lint tool under the page `/ci/lint` of your GitLab instance. You can also find
the link under **Settings > CI settings** in your project. the link under **Settings > CI settings** in your project.
For more information and a complete `.gitlab-ci.yml` syntax, please check For more information and a complete `.gitlab-ci.yml` syntax, please read
[the documentation on .gitlab-ci.yml](../yaml/README.md). [the documentation on .gitlab-ci.yml](../yaml/README.md).
### Push `.gitlab-ci.yml` to GitLab ### Push `.gitlab-ci.yml` to GitLab
...@@ -121,7 +121,8 @@ git commit -m "Add .gitlab-ci.yml" ...@@ -121,7 +121,8 @@ git commit -m "Add .gitlab-ci.yml"
git push origin master git push origin master
``` ```
Now if you go to the **Builds** page you will see that the builds are pending. Now if you go to the **Pipelines** page you will see that the pipeline is
pending.
You can also go to the **Commits** page and notice the little clock icon next You can also go to the **Commits** page and notice the little clock icon next
to the commit SHA. to the commit SHA.
...@@ -137,15 +138,14 @@ Notice that there are two jobs pending which are named after what we wrote in ...@@ -137,15 +138,14 @@ Notice that there are two jobs pending which are named after what we wrote in
`.gitlab-ci.yml`. The red triangle indicates that there is no Runner configured `.gitlab-ci.yml`. The red triangle indicates that there is no Runner configured
yet for these builds. yet for these builds.
The next step is to configure a Runner so that it picks the pending jobs. The next step is to configure a Runner so that it picks the pending builds.
## Configuring a Runner ## Configuring a Runner
In GitLab, Runners run the builds that you define in `.gitlab-ci.yml`. In GitLab, Runners run the builds that you define in `.gitlab-ci.yml`. A Runner
A Runner can be a virtual machine, a VPS, a bare-metal machine, a docker can be a virtual machine, a VPS, a bare-metal machine, a docker container or
container or even a cluster of containers. GitLab and the Runners communicate even a cluster of containers. GitLab and the Runners communicate through an API,
through an API, so the only needed requirement is that the machine on which the so the only requirement is that the Runner's machine has Internet access.
Runner is configured to have Internet access.
A Runner can be specific to a certain project or serve multiple projects in A Runner can be specific to a certain project or serve multiple projects in
GitLab. If it serves all projects it's called a _Shared Runner_. GitLab. If it serves all projects it's called a _Shared Runner_.
...@@ -187,12 +187,16 @@ To enable **Shared Runners** you have to go to your project's ...@@ -187,12 +187,16 @@ To enable **Shared Runners** you have to go to your project's
[Read more on Shared Runners](../runners/README.md). [Read more on Shared Runners](../runners/README.md).
## Seeing the status of your build ## Seeing the status of your pipeline and builds
After configuring the Runner successfully, you should see the status of your After configuring the Runner successfully, you should see the status of your
last commit change from _pending_ to either _running_, _success_ or _failed_. last commit change from _pending_ to either _running_, _success_ or _failed_.
You can view all builds, by going to the **Builds** page in your project. You can view all pipelines by going to the **Pipelines** page in your project.
![Commit status](img/pipelines_status.png)
Or you can view all builds, by going to the **Pipelines > Builds** page.
![Commit status](img/builds_status.png) ![Commit status](img/builds_status.png)
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