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Refactor Autodeploy docs 

- Add a how it works section where Herokuish is mentioned
- Make the notes more apparent
- Merge the postgres variables section with its parent
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Achilleas Pipinellis 2017-08-29 19:03:39 +02:00
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doc/ci/autodeploy/index.md
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@ -1,8 +1,13 @@
# Auto deploy
> [Introduced][mr-8135] in GitLab 8.15.
> Auto deploy is an experimental feature and is not recommended for Production use at this time.
> As of GitLab 9.1, access to the container registry is only available while the Pipeline is running. Restarting a pod, scaling a service, or other actions which require on-going access will fail. On-going secure access is planned for a subsequent release.
>**Notes:**
- [Introduced][mr-8135] in GitLab 8.15.
- Auto deploy is an experimental feature and is not recommended for Production
use at this time.
- As of GitLab 9.1, access to the Container Registry is only available while
the Pipeline is running. Restarting a pod, scaling a service, or other actions
which require on-going access will fail. On-going secure access is planned for
a subsequent release.
Auto deploy is an easy way to configure GitLab CI for the deployment of your
application. GitLab Community maintains a list of `.gitlab-ci.yml`
@ -11,9 +16,19 @@ powering them. These scripts are responsible for packaging your application,
setting up the infrastructure and spinning up necessary services (for
example a database).
You can use [project services][project-services] to store credentials to
your infrastructure provider and they will be available during the
deployment.
## How it works
The Autodeploy templates are based on the [kubernetes-deploy][kube-deploy]
project which is used to simplify the deployment process to Kubernetes by
providing intelligent `build`, `deploy` and `destroy` commands which you can
use in your `.gitlab-ci.yml` as-is. It uses [Herokuish](https://github.com/gliderlabs/herokuish),
which uses [Heroku buildpacks](https://devcenter.heroku.com/articles/buildpacks)
to do some of the work, plus some of GitLab's own tools to package it all up. For
your convenience, a [Docker image][kube-image] is also provided.
You can use the [Kubernetes project service](../../user/project/integrations/kubernetes.md)
to store credentials to your infrastructure provider and they will be available
during the deployment.
## Quick start
@ -26,30 +41,28 @@ The list of supported auto deploy templates is available in the
## Configuration
>**Note:**
In order to understand why the following steps are required, read the
[how it works](#how-it-works) section.
To configure Autodeploy, you will need to:
1. Enable a deployment [project service][project-services] to store your
credentials. For example, if you want to deploy to OpenShift you have to
enable [Kubernetes service][kubernetes-service].
1. Configure GitLab Runner to use Docker or Kubernetes executor with
[privileged mode enabled][docker-in-docker].
credentials. For example, if you want to deploy to OpenShift you have to
enable [Kubernetes service][kubernetes-service].
1. Configure GitLab Runner to use the
[Docker or Kubernetes executor](https://docs.gitlab.com/runner/executors/) with
[privileged mode enabled][docker-in-docker].
1. Navigate to the "Project" tab and click "Set up auto deploy" button.
![Auto deploy button](img/auto_deploy_button.png)
1. Select a template.
![Dropdown with auto deploy templates](img/auto_deploy_dropdown.png)
1. Commit your changes and create a merge request.
1. Test your deployment configuration using a [Review App][review-app] that was
created automatically for you.
created automatically for you.
## Using the Kubernetes deploy example project with Nginx
The Autodeploy templates are based on the [kubernetes-deploy][kube-deploy]
project which is used to simplify the deployment process to Kubernetes by
providing intelligent `build`, `deploy` and `destroy` commands which you can
use in your `.gitlab-ci.yml` as-is. It uses Heroku'ish build packs to do some
of the work, plus some of GitLab's own tools to package it all up. For your
convenience, a [Docker image][kube-image] is also provided.
---
A simple example would be the deployment of Nginx on Kubernetes.
Consider a `nginx-deployment.yaml` file in your project with contents:
@ -77,7 +90,8 @@ spec:
```
The important part is where we set up `app: __CI_ENVIRONMENT_SLUG__`. As you'll
see later this is replaced by the [`CI_ENVIRONMENT_SLUG` env variable][variables].
see later this is replaced by the
[`CI_ENVIRONMENT_SLUG` env variable](../variables/README.md#predefined-variables-environment-variables).
The `.gitlab-ci.yml` would be:
@ -118,7 +132,7 @@ Next, we replace `__CI_ENVIRONMENT_SLUG__` with the content of the
Finally, the Nginx pod is created from the definition of the
`nginx-deployment.yaml` file.
## Private Project Support
## Private project support
> Experimental support [introduced][mr-2] in GitLab 9.1.
@ -126,7 +140,7 @@ When a project has been marked as private, GitLab's [Container Registry][contain
After the pipeline completes, Kubernetes will no longer be able to access the container registry. Restarting a pod, scaling a service, or other actions which require on-going access to the registry will fail. On-going secure access is planned for a subsequent release.
## PostgreSQL Database Support
## PostgreSQL database support
> Experimental support [introduced][mr-8] in GitLab 9.1.
@ -134,27 +148,13 @@ In order to support applications that require a database, [PostgreSQL][postgresq
PostgreSQL provisioning can be disabled by setting the variable `DISABLE_POSTGRES` to `"yes"`.
### PostgreSQL Variables
The following PostgreSQL variables are supported:
1. `DISABLE_POSTGRES: "yes"`: disable automatic deployment of PostgreSQL
1. `POSTGRES_USER: "my-user"`: use custom username for PostgreSQL
1. `POSTGRES_PASSWORD: "password"`: use custom password for PostgreSQL
1. `POSTGRES_DB: "my database"`: use custom database name for PostgreSQL
[mr-8135]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/8135
[mr-2]: https://gitlab.com/gitlab-examples/kubernetes-deploy/merge_requests/2
[mr-8]: https://gitlab.com/gitlab-examples/kubernetes-deploy/merge_requests/8
[project-settings]: https://docs.gitlab.com/ce/public_access/public_access.html
[project-services]: ../../user/project/integrations/project_services.md
[auto-deploy-templates]: https://gitlab.com/gitlab-org/gitlab-ci-yml/tree/master/autodeploy
[kubernetes-service]: ../../user/project/integrations/kubernetes.md
[docker-in-docker]: ../docker/using_docker_build.md#use-docker-in-docker-executor
[review-app]: ../review_apps/index.md
[kube-image]: https://gitlab.com/gitlab-examples/kubernetes-deploy/container_registry "Kubernetes deploy Container Registry"
[kube-deploy]: https://gitlab.com/gitlab-examples/kubernetes-deploy "Kubernetes deploy example project"
[container-registry]: https://docs.gitlab.com/ce/user/project/container_registry.html
[postgresql]: https://www.postgresql.org/
## Auto Monitoring
> Introduced in [GitLab 9.5](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/13438).
@ -179,3 +179,18 @@ If you have installed GitLab using a different method:
1. [Deploy Prometheus](../../user/project/integrations/prometheus.md#configuring-your-own-prometheus-server-within-kubernetes) into your Kubernetes cluster
1. If you would like response metrics, ensure you are running at least version 0.9.0 of NGINX Ingress and [enable Prometheus metrics](https://github.com/kubernetes/ingress/blob/master/examples/customization/custom-vts-metrics/nginx/nginx-vts-metrics-conf.yaml).
1. Finally, [annotate](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/) the NGINX Ingress deployment to be scraped by Prometheus using `prometheus.io/scrape: "true"` and `prometheus.io/port: "10254"`.
[mr-8135]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/8135
[mr-2]: https://gitlab.com/gitlab-examples/kubernetes-deploy/merge_requests/2
[mr-8]: https://gitlab.com/gitlab-examples/kubernetes-deploy/merge_requests/8
[project-settings]: https://docs.gitlab.com/ce/public_access/public_access.html
[project-services]: ../../user/project/integrations/project_services.md
[auto-deploy-templates]: https://gitlab.com/gitlab-org/gitlab-ci-yml/tree/master/autodeploy
[kubernetes-service]: ../../user/project/integrations/kubernetes.md
[docker-in-docker]: ../docker/using_docker_build.md#use-docker-in-docker-executor
[review-app]: ../review_apps/index.md
[kube-image]: https://gitlab.com/gitlab-examples/kubernetes-deploy/container_registry "Kubernetes deploy Container Registry"
[kube-deploy]: https://gitlab.com/gitlab-examples/kubernetes-deploy "Kubernetes deploy example project"
[container-registry]: https://docs.gitlab.com/ce/user/project/container_registry.html
[postgresql]: https://www.postgresql.org/