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Commit 743b8df5 authored by Amy Qualls's avatar Amy Qualls Committed by Evan Read
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Fix Vale wording suggestions 

This commit updates wording on the page to meet GitLab style
guide standards.
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doc/.vale/gitlab/spelling-exceptions.txt
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...@@ -118,6 +118,8 @@ hardcode ...@@ -118,6 +118,8 @@ hardcode
hardcoded hardcoded
hardcodes hardcodes
Helm Helm
Heroku
Herokuish
HipChat HipChat
hostname hostname
hostnames hostnames
...@@ -180,6 +182,7 @@ misconfiguring ...@@ -180,6 +182,7 @@ misconfiguring
mitigations mitigations
mockup mockup
mockups mockups
ModSecurity
nameserver nameserver
nameservers nameservers
namespace namespace
...@@ -326,6 +329,10 @@ unchecking ...@@ -326,6 +329,10 @@ unchecking
unchecks unchecks
uncomment uncomment
uncommented uncommented
unencode
unencoded
unencoder
unencodes
unencrypted unencrypted
Unicorn Unicorn
unindexed unindexed
......
doc/topics/autodevops/customize.md
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# Customizing Auto DevOps # Customizing Auto DevOps
While Auto DevOps provides great defaults to get you started, you can customize While [Auto DevOps](index.md) provides great defaults to get you started, you can customize
almost everything to fit your needs; from custom [buildpacks](#custom-buildpacks), almost everything to fit your needs. Auto DevOps offers everything from custom
to [`Dockerfile`s](#custom-dockerfile), [Helm charts](#custom-helm-chart), or [buildpacks](#custom-buildpacks), to [`Dockerfiles](#custom-dockerfile), and
even copying the complete [CI/CD configuration](#customizing-gitlab-ciyml) [Helm charts](#custom-helm-chart). You can even copy the complete
into your project to enable staging and canary deployments, and more. [CI/CD configuration](#customizing-gitlab-ciyml) into your project to enable
staging and canary deployments, and more.
## Custom buildpacks ## Custom buildpacks
If the automatic buildpack detection fails for your project, or if you want to If the automatic buildpack detection fails for your project, or if you want to
use a custom buildpack, you can override the buildpack(s) using a project variable use a custom buildpack, you can override the buildpack using a project variable
or a `.buildpacks` file in your project: or a `.buildpacks` file in your project:
- **Project variable** - Create a project variable `BUILDPACK_URL` with the URL - **Project variable** - Create a project variable `BUILDPACK_URL` with the URL
of the buildpack to use. of the buildpack to use.
- **`.buildpacks` file** - Add a file in your project's repo called `.buildpacks` - **`.buildpacks` file** - Add a file in your project's repository called `.buildpacks`,
and add the URL of the buildpack to use on a line in the file. If you want to and add the URL of the buildpack to use on a line in the file. If you want to
use multiple buildpacks, you can enter them in, one on each line. use multiple buildpacks, enter one buildpack per line.
The buildpack URL can point to either a Git repository URL or a tarball URL. The buildpack URL can point to either a Git repository URL or a tarball URL.
For Git repositories, it is possible to point to a specific Git reference (for example, For Git repositories, you can point to a specific Git reference (such as
commit SHA, tag name, or branch name) by appending `#<ref>` to the Git repository URL. commit SHA, tag name, or branch name) by appending `#<ref>` to the Git repository URL.
For example: For example:
...@@ -29,11 +30,10 @@ For example: ...@@ -29,11 +30,10 @@ For example:
### Multiple buildpacks ### Multiple buildpacks
Using multiple buildpacks isn't fully supported by Auto DevOps because, when using the `.buildpacks` Using multiple buildpacks is not fully supported by Auto DevOps, because Auto Test
file, Auto Test will not work. won't work when using the `.buildpacks` file. The buildpack
[heroku-buildpack-multi](https://github.com/heroku/heroku-buildpack-multi/), used
The buildpack [heroku-buildpack-multi](https://github.com/heroku/heroku-buildpack-multi/), in the backend to parse the `.buildpacks` file, does not provide the necessary commands
which is used under the hood to parse the `.buildpacks` file, doesn't provide the necessary commands
`bin/test-compile` and `bin/test`. `bin/test-compile` and `bin/test`.
If your goal is to use only a single custom buildpack, you should provide the project variable If your goal is to use only a single custom buildpack, you should provide the project variable
...@@ -41,18 +41,16 @@ If your goal is to use only a single custom buildpack, you should provide the pr ...@@ -41,18 +41,16 @@ If your goal is to use only a single custom buildpack, you should provide the pr
## Custom `Dockerfile` ## Custom `Dockerfile`
If your project has a `Dockerfile` in the root of the project repo, Auto DevOps If your project has a `Dockerfile` in the root of the project repository, Auto DevOps
will build a Docker image based on the Dockerfile rather than using buildpacks. builds a Docker image based on the Dockerfile, rather than using buildpacks.
This can be much faster and result in smaller images, especially if your This can be much faster and result in smaller images, especially if your
Dockerfile is based on [Alpine](https://hub.docker.com/_/alpine/). Dockerfile is based on [Alpine](https://hub.docker.com/_/alpine/).
## Passing arguments to `docker build` ## Passing arguments to `docker build`
Arguments can be passed to the `docker build` command using the Arguments can be passed to the `docker build` command using the
`AUTO_DEVOPS_BUILD_IMAGE_EXTRA_ARGS` project variable. `AUTO_DEVOPS_BUILD_IMAGE_EXTRA_ARGS` project variable. For example, to build a
Docker image based on based on the `ruby:alpine` instead of the default `ruby:latest`:
For example, to build a Docker image based on based on the `ruby:alpine`
instead of the default `ruby:latest`:
1. Set `AUTO_DEVOPS_BUILD_IMAGE_EXTRA_ARGS` to `--build-arg=RUBY_VERSION=alpine`. 1. Set `AUTO_DEVOPS_BUILD_IMAGE_EXTRA_ARGS` to `--build-arg=RUBY_VERSION=alpine`.
1. Add the following to a custom `Dockerfile`: 1. Add the following to a custom `Dockerfile`:
...@@ -65,25 +63,28 @@ instead of the default `ruby:latest`: ...@@ -65,25 +63,28 @@ instead of the default `ruby:latest`:
``` ```
NOTE: **Note:** NOTE: **Note:**
Passing in complex values (newlines and spaces, for example) will likely Use Base64 encoding if you need to pass complex values, such as newlines and
cause escaping issues due to the way this argument is used in Auto DevOps. spaces. Left unencoded, complex values like these can cause escaping issues
Consider using Base64 encoding of such values to avoid this problem. due to how Auto DevOps uses the arguments.
CAUTION: **Warning:** CAUTION: **Warning:**
Avoid passing secrets as Docker build arguments if possible, as they may be Avoid passing secrets as Docker build arguments if possible, as they may be
persisted in your image. See persisted in your image. See
[this discussion](https://github.com/moby/moby/issues/13490) for details. [this discussion of best practices with secrets](https://github.com/moby/moby/issues/13490) for details.
## Passing secrets to `docker build` ## Passing secrets to `docker build`
> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/25514) in GitLab 12.3, but available in versions 11.9 and above. > [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/25514) in GitLab 12.3, but available in versions 11.9 and above.
CI environment variables can be passed as [build CI environment variables can be passed as
secrets](https://docs.docker.com/develop/develop-images/build_enhancements/#new-docker-build-secret-information) to the `docker build` command by listing them comma separated by name in the [build secrets](https://docs.docker.com/develop/develop-images/build_enhancements/#new-docker-build-secret-information) to the `docker build` command by listing them
`AUTO_DEVOPS_BUILD_IMAGE_FORWARDED_CI_VARIABLES` variable. For example, in order to forward the variables `CI_COMMIT_SHA` and `CI_ENVIRONMENT_NAME`, one would set `AUTO_DEVOPS_BUILD_IMAGE_FORWARDED_CI_VARIABLES` to `CI_COMMIT_SHA,CI_ENVIRONMENT_NAME`. by name, comma-separated, in the `AUTO_DEVOPS_BUILD_IMAGE_FORWARDED_CI_VARIABLES`
variable. For example, to forward the variables `CI_COMMIT_SHA` and `CI_ENVIRONMENT_NAME`,
set `AUTO_DEVOPS_BUILD_IMAGE_FORWARDED_CI_VARIABLES` to `CI_COMMIT_SHA,CI_ENVIRONMENT_NAME`.
Unlike build arguments, these are not persisted by Docker in the final image CAUTION: **Caution:**
(though you can still persist them yourself, so **be careful**). Unlike build arguments, these variables are not persisted by Docker in the final image,
though you can still persist them yourself.
In projects: In projects:
...@@ -91,7 +92,7 @@ In projects: ...@@ -91,7 +92,7 @@ In projects:
variables. variables.
- With a `Dockerfile`, the following is required: - With a `Dockerfile`, the following is required:
1. Activate the experimental `Dockerfile` syntax by adding the following 1. Activate the experimental `Dockerfile` syntax by adding the following code
to the top of the file: to the top of the file:
```dockerfile ```dockerfile
...@@ -114,30 +115,33 @@ feature to use the `--secret` flag. ...@@ -114,30 +115,33 @@ feature to use the `--secret` flag.
Auto DevOps uses [Helm](https://helm.sh/) to deploy your application to Kubernetes. Auto DevOps uses [Helm](https://helm.sh/) to deploy your application to Kubernetes.
You can override the Helm chart used by bundling up a chart into your project You can override the Helm chart used by bundling up a chart into your project
repo or by specifying a project variable: repository or by specifying a project variable:
- **Bundled chart** - If your project has a `./chart` directory with a `Chart.yaml` - **Bundled chart** - If your project has a `./chart` directory with a `Chart.yaml`
file in it, Auto DevOps will detect the chart and use it instead of the [default file in it, Auto DevOps will detect the chart and use it instead of the
one](https://gitlab.com/gitlab-org/charts/auto-deploy-app). [default chart](https://gitlab.com/gitlab-org/charts/auto-deploy-app), enabling
This can be a great way to control exactly how your application is deployed. you to control exactly how your application is deployed.
- **Project variable** - Create a [project variable](../../ci/variables/README.md#gitlab-cicd-environment-variables) - **Project variable** - Create a [project variable](../../ci/variables/README.md#gitlab-cicd-environment-variables)
`AUTO_DEVOPS_CHART` with the URL of a custom chart to use or create two project variables `AUTO_DEVOPS_CHART_REPOSITORY` with the URL of a custom chart repository and `AUTO_DEVOPS_CHART` with the path to the chart. `AUTO_DEVOPS_CHART` with the URL of a custom chart to use, or create two project
variables: `AUTO_DEVOPS_CHART_REPOSITORY` with the URL of a custom chart repository,
and `AUTO_DEVOPS_CHART` with the path to the chart.
## Customize values for Helm Chart ## Customize values for Helm Chart
> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/30628) in GitLab 12.6, `.gitlab/auto-deploy-values.yaml` will be used by default for Helm upgrades. > [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/30628) in GitLab 12.6, `.gitlab/auto-deploy-values.yaml` will be used by default for Helm upgrades.
You can override the default values in the `values.yaml` file in the [default Helm chart](https://gitlab.com/gitlab-org/charts/auto-deploy-app). You can override the default values in the `values.yaml` file in the
This can be achieved by either: [default Helm chart](https://gitlab.com/gitlab-org/charts/auto-deploy-app) by either:
- Adding a file named `.gitlab/auto-deploy-values.yaml` to your repository. It will - Adding a file named `.gitlab/auto-deploy-values.yaml` to your repository, which is
be automatically used if found. automatically used, if found.
- Adding a file with a different name or path to the repository, and set the - Adding a file with a different name or path to the repository, and setting the
`HELM_UPGRADE_VALUES_FILE` [environment variable](#environment-variables) with the path and name. `HELM_UPGRADE_VALUES_FILE` [environment variable](#environment-variables) with
the path and name.
NOTE: **Note:** NOTE: **Note:**
For GitLab 12.5 and earlier, the `HELM_UPGRADE_EXTRA_ARGS` environment variable can be used to override the default chart values. For GitLab 12.5 and earlier, use the `HELM_UPGRADE_EXTRA_ARGS` environment variable
To do so, set `HELM_UPGRADE_EXTRA_ARGS` to `--values my-values.yaml`. to override the default chart values by setting `HELM_UPGRADE_EXTRA_ARGS` to `--values <my-values.yaml>`.
## Custom Helm chart per environment ## Custom Helm chart per environment
...@@ -146,34 +150,34 @@ to the desired environment. See [Limiting environment scopes of variables](../.. ...@@ -146,34 +150,34 @@ to the desired environment. See [Limiting environment scopes of variables](../..
## Customizing `.gitlab-ci.yml` ## Customizing `.gitlab-ci.yml`
Auto DevOps is completely customizable because the [Auto DevOps template](https://gitlab.com/gitlab-org/gitlab/blob/master/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml): Auto DevOps is completely customizable because the
[Auto DevOps template](https://gitlab.com/gitlab-org/gitlab/blob/master/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml)
is just an implementation of a [`.gitlab-ci.yml`](../../ci/yaml/README.md) file,
and uses only features available to any implementation of `.gitlab-ci.yml`.
- Is just an implementation of a [`.gitlab-ci.yml`](../../ci/yaml/README.md) file. To modify the CI/CD pipeline used by Auto DevOps,
- Uses only features available to any implementation of `.gitlab-ci.yml`. [`include` the template](../../ci/yaml/README.md#includetemplate), and customize
it as needed by adding a `.gitlab-ci.yml` file to the root of your repository
If you want to modify the CI/CD pipeline used by Auto DevOps, you can [`include`
the template](../../ci/yaml/README.md#includetemplate) and customize as
needed. To do this, add a `.gitlab-ci.yml` file to the root of your repository
containing the following: containing the following:
```yml ```yaml
include: include:
- template: Auto-DevOps.gitlab-ci.yml - template: Auto-DevOps.gitlab-ci.yml
``` ```
Then add any extra changes you want. Your additions will be merged with the Add your changes, and your additions will be merged with the
[Auto DevOps template](https://gitlab.com/gitlab-org/gitlab/blob/master/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml) using the behaviour described for [Auto DevOps template](https://gitlab.com/gitlab-org/gitlab/blob/master/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml)
[`include`](../../ci/yaml/README.md#include). using the behavior described for [`include`](../../ci/yaml/README.md#include).
It is also possible to copy and paste the contents of the [Auto DevOps template](https://gitlab.com/gitlab-org/gitlab/blob/master/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml) If you need to specifically remove a part of the file, you can also copy and paste the contents of the
into your project and edit this as needed. You may prefer to do it [Auto DevOps template](https://gitlab.com/gitlab-org/gitlab/blob/master/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml)
that way if you want to specifically remove any part of it. into your project and edit it as needed.
## Customizing the Kubernetes namespace ## Customizing the Kubernetes namespace
> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/27630) in GitLab 12.6. > [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/27630) in GitLab 12.6.
For **non**-GitLab-managed clusters, the namespace can be customized using For clusters not managed by GitLab, you can customize the namespace in
`.gitlab-ci.yml` by specifying `.gitlab-ci.yml` by specifying
[`environment:kubernetes:namespace`](../../ci/environments.md#configuring-kubernetes-deployments). [`environment:kubernetes:namespace`](../../ci/environments.md#configuring-kubernetes-deployments).
For example, the following configuration overrides the namespace used for For example, the following configuration overrides the namespace used for
...@@ -212,15 +216,14 @@ include: ...@@ -212,15 +216,14 @@ include:
- template: Jobs/Build.gitlab-ci.yml - template: Jobs/Build.gitlab-ci.yml
``` ```
Consult the [Auto DevOps template](https://gitlab.com/gitlab-org/gitlab/blob/master/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml) for information on available jobs. See the [Auto DevOps template](https://gitlab.com/gitlab-org/gitlab/blob/master/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml) for information on available jobs.
## PostgreSQL database support ## PostgreSQL database support
In order to support applications that require a database, To support applications requiring a database,
[PostgreSQL](https://www.postgresql.org/) is provisioned by default. The credentials to access [PostgreSQL](https://www.postgresql.org/) is provisioned by default. The credentials to access
the database are preconfigured, but can be customized by setting the associated the database are preconfigured, but can be customized by setting the associated
[variables](#environment-variables). These credentials can be used for defining a [variables](#environment-variables). You can use these credentials to define a `DATABASE_URL`:
`DATABASE_URL` of the format:
```yaml ```yaml
postgres://user:password@postgres-host:postgres-port/postgres-database postgres://user:password@postgres-host:postgres-port/postgres-database
...@@ -230,7 +233,7 @@ postgres://user:password@postgres-host:postgres-port/postgres-database ...@@ -230,7 +233,7 @@ postgres://user:password@postgres-host:postgres-port/postgres-database
CAUTION: **Deprecation** CAUTION: **Deprecation**
The variable `AUTO_DEVOPS_POSTGRES_CHANNEL` that controls default provisioned The variable `AUTO_DEVOPS_POSTGRES_CHANNEL` that controls default provisioned
PostgreSQL currently defaults to `1`. This is scheduled to change to `2` in PostgreSQL currently defaults to `1`. This value is scheduled to change to `2` in
[GitLab 13.0](https://gitlab.com/gitlab-org/gitlab/-/issues/210499). [GitLab 13.0](https://gitlab.com/gitlab-org/gitlab/-/issues/210499).
The version of the chart used to provision PostgreSQL: The version of the chart used to provision PostgreSQL:
...@@ -250,19 +253,18 @@ To use the new PostgreSQL: ...@@ -250,19 +253,18 @@ To use the new PostgreSQL:
### Using external PostgreSQL database providers ### Using external PostgreSQL database providers
While Auto DevOps provides out-of-the-box support for a PostgreSQL container for While Auto DevOps provides out-of-the-box support for a PostgreSQL container for
production environments, for some use-cases it may not be sufficiently secure or production environments, for some use cases, it may not be sufficiently secure or
resilient and you may wish to use an external managed provider for PostgreSQL. resilient, and you may want to use an external managed provider (such as
For example, AWS Relational Database Service. AWS Relational Database Service) for PostgreSQL.
You will need to define environment-scoped variables for `POSTGRES_ENABLED` and `DATABASE_URL` in your project's CI/CD settings. You must define environment-scoped variables for `POSTGRES_ENABLED` and
`DATABASE_URL` in your project's CI/CD settings:
To achieve this:
1. Disable the built-in PostgreSQL installation for the required environments using 1. Disable the built-in PostgreSQL installation for the required environments using
scoped [environment variables](../../ci/environments.md#scoping-environments-with-specs). scoped [environment variables](../../ci/environments.md#scoping-environments-with-specs).
For this use case, it's likely that only `production` will need to be added to this For this use case, it's likely that only `production` will need to be added to this
list as the builtin PostgreSQL setup for Review Apps and staging will be sufficient list. The built-in PostgreSQL setup for Review Apps and staging is sufficient,
as a high availability setup is not required. because a high availability setup is not required.
![Auto Metrics](img/disable_postgres.png) ![Auto Metrics](img/disable_postgres.png)
...@@ -273,14 +275,14 @@ To achieve this: ...@@ -273,14 +275,14 @@ To achieve this:
postgres://user:password@postgres-host:postgres-port/postgres-database postgres://user:password@postgres-host:postgres-port/postgres-database
``` ```
You will need to ensure that your Kubernetes cluster has network access to wherever You must ensure that your Kubernetes cluster has network access to wherever
PostgreSQL is hosted. PostgreSQL is hosted.
## Environment variables ## Environment variables
The following variables can be used for setting up the Auto DevOps domain, The following variables can be used for setting up the Auto DevOps domain,
providing a custom Helm chart, or scaling your application. PostgreSQL can providing a custom Helm chart, or scaling your application. PostgreSQL can
also be customized, and you can easily use a [custom buildpack](#custom-buildpacks). also be customized, and you can use a [custom buildpack](#custom-buildpacks).
### Build and deployment ### Build and deployment
...@@ -292,34 +294,34 @@ applications. ...@@ -292,34 +294,34 @@ applications.
| `ADDITIONAL_HOSTS` | Fully qualified domain names specified as a comma-separated list that are added to the Ingress hosts. | | `ADDITIONAL_HOSTS` | Fully qualified domain names specified as a comma-separated list that are added to the Ingress hosts. |
| `<ENVIRONMENT>_ADDITIONAL_HOSTS` | For a specific environment, the fully qualified domain names specified as a comma-separated list that are added to the Ingress hosts. This takes precedence over `ADDITIONAL_HOSTS`. | | `<ENVIRONMENT>_ADDITIONAL_HOSTS` | For a specific environment, the fully qualified domain names specified as a comma-separated list that are added to the Ingress hosts. This takes precedence over `ADDITIONAL_HOSTS`. |
| `AUTO_DEVOPS_BUILD_IMAGE_CNB_ENABLED` | When set to a non-empty value and no `Dockerfile` is present, Auto Build builds your application using Cloud Native Buildpacks instead of Herokuish. [More details](stages.md#auto-build-using-cloud-native-buildpacks-beta). | | `AUTO_DEVOPS_BUILD_IMAGE_CNB_ENABLED` | When set to a non-empty value and no `Dockerfile` is present, Auto Build builds your application using Cloud Native Buildpacks instead of Herokuish. [More details](stages.md#auto-build-using-cloud-native-buildpacks-beta). |
| `AUTO_DEVOPS_BUILD_IMAGE_EXTRA_ARGS` | Extra arguments to be passed to the `docker build` command. Note that using quotes will not prevent word splitting. [More details](#passing-arguments-to-docker-build). | | `AUTO_DEVOPS_BUILD_IMAGE_EXTRA_ARGS` | Extra arguments to be passed to the `docker build` command. Note that using quotes won't prevent word splitting. [More details](#passing-arguments-to-docker-build). |
| `AUTO_DEVOPS_BUILD_IMAGE_FORWARDED_CI_VARIABLES` | A [comma-separated list of CI variable names](#passing-secrets-to-docker-build) to be passed to the `docker build` command as secrets. | | `AUTO_DEVOPS_BUILD_IMAGE_FORWARDED_CI_VARIABLES` | A [comma-separated list of CI variable names](#passing-secrets-to-docker-build) to be passed to the `docker build` command as secrets. |
| `AUTO_DEVOPS_CHART` | Helm Chart used to deploy your apps. Defaults to the one [provided by GitLab](https://gitlab.com/gitlab-org/charts/auto-deploy-app). | | `AUTO_DEVOPS_CHART` | Helm Chart used to deploy your apps. Defaults to the one [provided by GitLab](https://gitlab.com/gitlab-org/charts/auto-deploy-app). |
| `AUTO_DEVOPS_CHART_REPOSITORY` | Helm Chart repository used to search for charts. Defaults to `https://charts.gitlab.io`. | | `AUTO_DEVOPS_CHART_REPOSITORY` | Helm Chart repository used to search for charts. Defaults to `https://charts.gitlab.io`. |
| `AUTO_DEVOPS_CHART_REPOSITORY_NAME` | From GitLab 11.11, used to set the name of the Helm repository. Defaults to `gitlab`. | | `AUTO_DEVOPS_CHART_REPOSITORY_NAME` | From GitLab 11.11, used to set the name of the Helm repository. Defaults to `gitlab`. |
| `AUTO_DEVOPS_CHART_REPOSITORY_USERNAME` | From GitLab 11.11, used to set a username to connect to the Helm repository. Defaults to no credentials. Also set `AUTO_DEVOPS_CHART_REPOSITORY_PASSWORD`. | | `AUTO_DEVOPS_CHART_REPOSITORY_USERNAME` | From GitLab 11.11, used to set a username to connect to the Helm repository. Defaults to no credentials. Also set `AUTO_DEVOPS_CHART_REPOSITORY_PASSWORD`. |
| `AUTO_DEVOPS_CHART_REPOSITORY_PASSWORD` | From GitLab 11.11, used to set a password to connect to the Helm repository. Defaults to no credentials. Also set `AUTO_DEVOPS_CHART_REPOSITORY_USERNAME`. | | `AUTO_DEVOPS_CHART_REPOSITORY_PASSWORD` | From GitLab 11.11, used to set a password to connect to the Helm repository. Defaults to no credentials. Also set `AUTO_DEVOPS_CHART_REPOSITORY_USERNAME`. |
| `AUTO_DEVOPS_MODSECURITY_SEC_RULE_ENGINE` | From GitLab 12.5, used in combination with [Modsecurity feature flag](../../user/clusters/applications.md#web-application-firewall-modsecurity) to toggle [Modsecurity's `SecRuleEngine`](https://github.com/SpiderLabs/ModSecurity/wiki/Reference-Manual-(v2.x)#SecRuleEngine) behavior. Defaults to `DetectionOnly`. | | `AUTO_DEVOPS_MODSECURITY_SEC_RULE_ENGINE` | From GitLab 12.5, used in combination with [ModSecurity feature flag](../../user/clusters/applications.md#web-application-firewall-modsecurity) to toggle [ModSecurity's `SecRuleEngine`](https://github.com/SpiderLabs/ModSecurity/wiki/Reference-Manual-(v2.x)#SecRuleEngine) behavior. Defaults to `DetectionOnly`. |
| `BUILDPACK_URL` | Buildpack's full URL. Can point to either [a Git repository URL or a tarball URL](#custom-buildpacks). | | `BUILDPACK_URL` | Buildpack's full URL. Can point to either [a Git repository URL or a tarball URL](#custom-buildpacks). |
| `CANARY_ENABLED` | From GitLab 11.0, used to define a [deploy policy for canary environments](#deploy-policy-for-canary-environments-premium). | | `CANARY_ENABLED` | From GitLab 11.0, used to define a [deploy policy for canary environments](#deploy-policy-for-canary-environments-premium). |
| `CANARY_PRODUCTION_REPLICAS` | Number of canary replicas to deploy for [Canary Deployments](../../user/project/canary_deployments.md) in the production environment. Takes precedence over `CANARY_REPLICAS`. Defaults to 1. | | `CANARY_PRODUCTION_REPLICAS` | Number of canary replicas to deploy for [Canary Deployments](../../user/project/canary_deployments.md) in the production environment. Takes precedence over `CANARY_REPLICAS`. Defaults to 1. |
| `CANARY_REPLICAS` | Number of canary replicas to deploy for [Canary Deployments](../../user/project/canary_deployments.md). Defaults to 1. | | `CANARY_REPLICAS` | Number of canary replicas to deploy for [Canary Deployments](../../user/project/canary_deployments.md). Defaults to 1. |
| `HELM_RELEASE_NAME` | From GitLab 12.1, allows the `helm` release name to be overridden. Can be used to assign unique release names when deploying multiple projects to a single namespace. | | `HELM_RELEASE_NAME` | From GitLab 12.1, allows the `helm` release name to be overridden. Can be used to assign unique release names when deploying multiple projects to a single namespace. |
| `HELM_UPGRADE_VALUES_FILE` | From GitLab 12.6, allows the `helm upgrade` values file to be overridden. Defaults to `.gitlab/auto-deploy-values.yaml`. | | `HELM_UPGRADE_VALUES_FILE` | From GitLab 12.6, allows the `helm upgrade` values file to be overridden. Defaults to `.gitlab/auto-deploy-values.yaml`. |
| `HELM_UPGRADE_EXTRA_ARGS` | From GitLab 11.11, allows extra arguments in `helm` commands when deploying the application. Note that using quotes will not prevent word splitting. **Tip:** you can use this variable to [customize the Auto Deploy Helm chart](#custom-helm-chart) by applying custom override values with `--values my-values.yaml`. | | `HELM_UPGRADE_EXTRA_ARGS` | From GitLab 11.11, allows extra arguments in `helm` commands when deploying the application. Note that using quotes won't prevent word splitting. **Tip:** you can use this variable to [customize the Auto Deploy Helm chart](#custom-helm-chart) by applying custom override values with `--values my-values.yaml`. |
| `INCREMENTAL_ROLLOUT_MODE` | From GitLab 11.4, if present, can be used to enable an [incremental rollout](#incremental-rollout-to-production-premium) of your application for the production environment. Set to `manual` for manual deployment jobs or `timed` for automatic rollout deployments with a 5 minute delay each one. | | `INCREMENTAL_ROLLOUT_MODE` | From GitLab 11.4, if present, can be used to enable an [incremental rollout](#incremental-rollout-to-production-premium) of your application for the production environment. Set to `manual` for manual deployment jobs or `timed` for automatic rollout deployments with a 5 minute delay each one. |
| `K8S_SECRET_*` | From GitLab 11.7, any variable prefixed with [`K8S_SECRET_`](#application-secret-variables) will be made available by Auto DevOps as environment variables to the deployed application. | | `K8S_SECRET_*` | From GitLab 11.7, any variable prefixed with [`K8S_SECRET_`](#application-secret-variables) will be made available by Auto DevOps as environment variables to the deployed application. |
| `KUBE_INGRESS_BASE_DOMAIN` | From GitLab 11.8, can be used to set a domain per cluster. See [cluster domains](../../user/project/clusters/index.md#base-domain) for more information. | | `KUBE_INGRESS_BASE_DOMAIN` | From GitLab 11.8, can be used to set a domain per cluster. See [cluster domains](../../user/project/clusters/index.md#base-domain) for more information. |
| `PRODUCTION_REPLICAS` | Number of replicas to deploy in the production environment. Takes precedence over `REPLICAS` and defaults to 1. For zero downtime upgrades, set to 2 or greater. | | `PRODUCTION_REPLICAS` | Number of replicas to deploy in the production environment. Takes precedence over `REPLICAS` and defaults to 1. For zero downtime upgrades, set to 2 or greater. |
| `REPLICAS` | Number of replicas to deploy. Defaults to 1. | | `REPLICAS` | Number of replicas to deploy. Defaults to 1. |
| `ROLLOUT_RESOURCE_TYPE` | From GitLab 11.9, allows specification of the resource type being deployed when using a custom Helm chart. Default value is `deployment`. | | `ROLLOUT_RESOURCE_TYPE` | From GitLab 11.9, allows specification of the resource type being deployed when using a custom Helm chart. Default value is `deployment`. |
| `ROLLOUT_STATUS_DISABLED` | From GitLab 12.0, used to disable rollout status check because it doesn't support all resource types, for example, `cronjob`. | | `ROLLOUT_STATUS_DISABLED` | From GitLab 12.0, used to disable rollout status check because it does not support all resource types, for example, `cronjob`. |
| `STAGING_ENABLED` | From GitLab 10.8, used to define a [deploy policy for staging and production environments](#deploy-policy-for-staging-and-production-environments). | | `STAGING_ENABLED` | From GitLab 10.8, used to define a [deploy policy for staging and production environments](#deploy-policy-for-staging-and-production-environments). |
TIP: **Tip:** TIP: **Tip:**
Set up the replica variables using a Set up the replica variables using a
[project variable](../../ci/variables/README.md#gitlab-cicd-environment-variables) [project variable](../../ci/variables/README.md#gitlab-cicd-environment-variables)
and scale your application by just redeploying it! and scale your application by only redeploying it.
CAUTION: **Caution:** CAUTION: **Caution:**
You should *not* scale your application using Kubernetes directly. This can You should *not* scale your application using Kubernetes directly. This can
...@@ -334,7 +336,7 @@ The following table lists variables related to the database. ...@@ -334,7 +336,7 @@ The following table lists variables related to the database.
|-----------------------------------------|------------------------------------| |-----------------------------------------|------------------------------------|
| `DB_INITIALIZE` | From GitLab 11.4, used to specify the command to run to initialize the application's PostgreSQL database. Runs inside the application pod. | | `DB_INITIALIZE` | From GitLab 11.4, used to specify the command to run to initialize the application's PostgreSQL database. Runs inside the application pod. |
| `DB_MIGRATE` | From GitLab 11.4, used to specify the command to run to migrate the application's PostgreSQL database. Runs inside the application pod. | | `DB_MIGRATE` | From GitLab 11.4, used to specify the command to run to migrate the application's PostgreSQL database. Runs inside the application pod. |
| `POSTGRES_ENABLED` | Whether PostgreSQL is enabled. Defaults to `"true"`. Set to `false` to disable the automatic deployment of PostgreSQL. | | `POSTGRES_ENABLED` | Whether PostgreSQL is enabled. Defaults to `true`. Set to `false` to disable the automatic deployment of PostgreSQL. |
| `POSTGRES_USER` | The PostgreSQL user. Defaults to `user`. Set it to use a custom username. | | `POSTGRES_USER` | The PostgreSQL user. Defaults to `user`. Set it to use a custom username. |
| `POSTGRES_PASSWORD` | The PostgreSQL password. Defaults to `testing-password`. Set it to use a custom password. | | `POSTGRES_PASSWORD` | The PostgreSQL password. Defaults to `testing-password`. Set it to use a custom password. |
| `POSTGRES_DB` | The PostgreSQL database name. Defaults to the value of [`$CI_ENVIRONMENT_SLUG`](../../ci/variables/README.md#predefined-environment-variables). Set it to use a custom database name. | | `POSTGRES_DB` | The PostgreSQL database name. Defaults to the value of [`$CI_ENVIRONMENT_SLUG`](../../ci/variables/README.md#predefined-environment-variables). Set it to use a custom database name. |
...@@ -354,35 +356,34 @@ The following table lists variables used to disable jobs. ...@@ -354,35 +356,34 @@ The following table lists variables used to disable jobs.
| **Variable** | **Description** | | **Variable** | **Description** |
|-----------------------------------------|------------------------------------| |-----------------------------------------|------------------------------------|
| `CODE_QUALITY_DISABLED` | From GitLab 11.0, used to disable the `codequality` job. If the variable is present, the job will not be created. | | `CODE_QUALITY_DISABLED` | From GitLab 11.0, used to disable the `codequality` job. If the variable is present, the job won't be created. |
| `CONTAINER_SCANNING_DISABLED` | From GitLab 11.0, used to disable the `sast:container` job. If the variable is present, the job will not be created. | | `CONTAINER_SCANNING_DISABLED` | From GitLab 11.0, used to disable the `sast:container` job. If the variable is present, the job won't be created. |
| `DAST_DISABLED` | From GitLab 11.0, used to disable the `dast` job. If the variable is present, the job will not be created. | | `DAST_DISABLED` | From GitLab 11.0, used to disable the `dast` job. If the variable is present, the job won't be created. |
| `DEPENDENCY_SCANNING_DISABLED` | From GitLab 11.0, used to disable the `dependency_scanning` job. If the variable is present, the job will not be created. | | `DEPENDENCY_SCANNING_DISABLED` | From GitLab 11.0, used to disable the `dependency_scanning` job. If the variable is present, the job won't be created. |
| `LICENSE_MANAGEMENT_DISABLED` | From GitLab 11.0, used to disable the `license_management` job. If the variable is present, the job will not be created. | | `LICENSE_MANAGEMENT_DISABLED` | From GitLab 11.0, used to disable the `license_management` job. If the variable is present, the job won't be created. |
| `PERFORMANCE_DISABLED` | From GitLab 11.0, used to disable the `performance` job. If the variable is present, the job will not be created. | | `PERFORMANCE_DISABLED` | From GitLab 11.0, used to disable the `performance` job. If the variable is present, the job won't be created. |
| `REVIEW_DISABLED` | From GitLab 11.0, used to disable the `review` and the manual `review:stop` job. If the variable is present, these jobs will not be created. | | `REVIEW_DISABLED` | From GitLab 11.0, used to disable the `review` and the manual `review:stop` job. If the variable is present, these jobs won't be created. |
| `SAST_DISABLED` | From GitLab 11.0, used to disable the `sast` job. If the variable is present, the job will not be created. | | `SAST_DISABLED` | From GitLab 11.0, used to disable the `sast` job. If the variable is present, the job won't be created. |
| `TEST_DISABLED` | From GitLab 11.0, used to disable the `test` job. If the variable is present, the job will not be created. | | `TEST_DISABLED` | From GitLab 11.0, used to disable the `test` job. If the variable is present, the job won't be created. |
### Application secret variables ### Application secret variables
> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/issues/49056) in GitLab 11.7. > [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/issues/49056) in GitLab 11.7.
Some applications need to define secret variables that are Some applications need to define secret variables that are accessible by the deployed
accessible by the deployed application. Auto DevOps detects variables where the key starts with application. Auto DevOps detects variables starting with `K8S_SECRET_`, and makes
`K8S_SECRET_` and make these prefixed variables available to the these prefixed variables available to the deployed application as environment variables.
deployed application, as environment variables.
To configure your application variables: To configure your application variables:
1. Go to your project's **Settings > CI/CD**, then expand the section 1. Go to your project's **{settings}** **Settings > CI/CD**, then expand the
called **Variables**. **Variables** section.
1. Create a CI Variable, ensuring the key is prefixed with 1. Create a CI/CD variable, ensuring the key is prefixed with
`K8S_SECRET_`. For example, you can create a variable with key `K8S_SECRET_`. For example, you can create a variable with key
`K8S_SECRET_RAILS_MASTER_KEY`. `K8S_SECRET_RAILS_MASTER_KEY`.
1. Run an Auto Devops pipeline either by manually creating a new 1. Run an Auto DevOps pipeline, either by manually creating a new
pipeline or by pushing a code change to GitLab. pipeline or by pushing a code change to GitLab.
Auto DevOps pipelines will take your application secret variables to Auto DevOps pipelines will take your application secret variables to
...@@ -394,6 +395,7 @@ example above, you can see the secret below containing the ...@@ -394,6 +395,7 @@ example above, you can see the secret below containing the
```shell ```shell
$ kubectl get secret production-secret -n minimal-ruby-app-54 -o yaml $ kubectl get secret production-secret -n minimal-ruby-app-54 -o yaml
apiVersion: v1 apiVersion: v1
data: data:
RAILS_MASTER_KEY: MTIzNC10ZXN0 RAILS_MASTER_KEY: MTIzNC10ZXN0
...@@ -408,40 +410,37 @@ metadata: ...@@ -408,40 +410,37 @@ metadata:
type: Opaque type: Opaque
``` ```
Environment variables are generally considered immutable in a Kubernetes Environment variables are generally considered immutable in a Kubernetes pod.
pod. Therefore, if you update an application secret without changing any If you update an application secret without changing any code, then manually
code then manually create a new pipeline, you will find that any running create a new pipeline, you will find any running application pods won't have
application pods will not have the updated secrets. In this case, you the updated secrets. To update the secrets, either:
can either push a code update to GitLab to force the Kubernetes
Deployment to recreate pods or manually delete running pods to - Push a code update to GitLab to force the Kubernetes deployment to recreate pods.
cause Kubernetes to create new pods with updated secrets. - Manually delete running pods to cause Kubernetes to create new pods with updated
secrets.
NOTE: **Note:** NOTE: **Note:**
Variables with multiline values are not currently supported due to Variables with multi-line values are not currently supported due to
limitations with the current Auto DevOps scripting environment. limitations with the current Auto DevOps scripting environment.
### Advanced replica variables setup ### Advanced replica variables setup
Apart from the two replica-related variables for production mentioned above, Apart from the two replica-related variables for production mentioned above,
you can also use others for different environments. you can also use other variables for different environments.
There's a very specific mapping between Kubernetes' label named `track`, The Kubernetes' label named `track`, GitLab CI/CD environment names, and the
GitLab CI/CD environment names, and the replicas environment variable. replicas environment variable are combined into the format `TRACK_ENV_REPLICAS`,
The general rule is: `TRACK_ENV_REPLICAS`. Where: enabling you to define your own variables for scaling the pod's replicas:
- `TRACK`: The capitalized value of the `track` - `TRACK`: The capitalized value of the `track`
[Kubernetes label](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/) [Kubernetes label](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/)
in the Helm Chart app definition. If not set, it will not be taken into account in the Helm Chart app definition. If not set, it won't be taken into account
to the variable name. to the variable name.
- `ENV`: The capitalized environment name of the deploy job that is set in - `ENV`: The capitalized environment name of the deploy job, set in
`.gitlab-ci.yml`. `.gitlab-ci.yml`.
That way, you can define your own `TRACK_ENV_REPLICAS` variables with which In the example below, the environment's name is `qa`, and it deploys the track
you will be able to scale the pod's replicas easily. `foo`, which results in an environment variable named `FOO_QA_REPLICAS`:
In the example below, the environment's name is `qa` and it deploys the track
`foo` which would result in looking for the `FOO_QA_REPLICAS` environment
variable:
```yaml ```yaml
QA testing: QA testing:
...@@ -452,8 +451,7 @@ QA testing: ...@@ -452,8 +451,7 @@ QA testing:
- deploy foo - deploy foo
``` ```
The track `foo` being referenced would also need to be defined in the The track `foo` being referenced must also be defined in the application's Helm chart, like:
application's Helm chart, like:
```yaml ```yaml
replicaCount: 1 replicaCount: 1
...@@ -482,30 +480,29 @@ service: ...@@ -482,30 +480,29 @@ service:
TIP: **Tip:** TIP: **Tip:**
You can also set this inside your [project's settings](index.md#deployment-strategy). You can also set this inside your [project's settings](index.md#deployment-strategy).
The normal behavior of Auto DevOps is to use Continuous Deployment, pushing The normal behavior of Auto DevOps is to use continuous deployment, pushing
automatically to the `production` environment every time a new pipeline is run automatically to the `production` environment every time a new pipeline is run
on the default branch. However, there are cases where you might want to use a on the default branch. However, there are cases where you might want to use a
staging environment and deploy to production manually. For this scenario, the staging environment, and deploy to production manually. For this scenario, the
`STAGING_ENABLED` environment variable was introduced. `STAGING_ENABLED` environment variable was introduced.
If `STAGING_ENABLED` is defined in your project (e.g., set `STAGING_ENABLED` to If you define `STAGING_ENABLED`, such as setting `STAGING_ENABLED` to
`1` as a CI/CD variable), then the application will be automatically deployed `1` as a CI/CD variable, then GitLab automatically deploys the application
to a `staging` environment, and a `production_manual` job will be created for to a `staging` environment, and creates a `production_manual` job for
you when you're ready to manually deploy to production. you when you're ready to manually deploy to production.
### Deploy policy for canary environments **(PREMIUM)** ### Deploy policy for canary environments **(PREMIUM)**
> [Introduced](https://gitlab.com/gitlab-org/gitlab-ci-yml/-/merge_requests/171) in GitLab 11.0. > [Introduced](https://gitlab.com/gitlab-org/gitlab-ci-yml/-/merge_requests/171) in GitLab 11.0.
A [canary environment](../../user/project/canary_deployments.md) can be used You can use a [canary environment](../../user/project/canary_deployments.md) before
before any changes are deployed to production. deploying any changes to production.
If `CANARY_ENABLED` is defined in your project (e.g., set `CANARY_ENABLED` to If you define `CANARY_ENABLED` in your project, such as setting `CANARY_ENABLED` to
`1` as a CI/CD variable) then two manual jobs will be created: `1` as a CI/CD variable, then two manual jobs are created:
- `canary` which will deploy the application to the canary environment - `canary` - Deploys the application to the canary environment.
- `production_manual` which is to be used by you when you're ready to manually - `production_manual` - Manually deploys the application to production.
deploy to production.
### Incremental rollout to production **(PREMIUM)** ### Incremental rollout to production **(PREMIUM)**
...@@ -514,10 +511,9 @@ If `CANARY_ENABLED` is defined in your project (e.g., set `CANARY_ENABLED` to ...@@ -514,10 +511,9 @@ If `CANARY_ENABLED` is defined in your project (e.g., set `CANARY_ENABLED` to
TIP: **Tip:** TIP: **Tip:**
You can also set this inside your [project's settings](index.md#deployment-strategy). You can also set this inside your [project's settings](index.md#deployment-strategy).
When you have a new version of your app to deploy in production, you may want When you're ready to deploy a new version of your app to production, you may want
to use an incremental rollout to replace just a few pods with the latest code. to use an incremental rollout to replace just a few pods with the latest code to
This will allow you to first check how the app is behaving, and later manually check how the application is behaving before manually increasing the rollout up to 100%.
increasing the rollout up to 100%.
If `INCREMENTAL_ROLLOUT_MODE` is set to `manual` in your project, then instead If `INCREMENTAL_ROLLOUT_MODE` is set to `manual` in your project, then instead
of the standard `production` job, 4 different of the standard `production` job, 4 different
...@@ -529,14 +525,14 @@ will be created: ...@@ -529,14 +525,14 @@ will be created:
1. `rollout 50%` 1. `rollout 50%`
1. `rollout 100%` 1. `rollout 100%`
The percentage is based on the `REPLICAS` variable and defines the number of The percentage is based on the `REPLICAS` variable, and defines the number of
pods you want to have for your deployment. If you say `10`, and then you run pods you want to have for your deployment. If the value is `10`, and you run the
the `10%` rollout job, there will be `1` new pod + `9` old ones. `10%` rollout job, there will be `1` new pod + `9` old ones.
To start a job, click on the play icon next to the job's name. You are not To start a job, click the play icon (**{play}**) next to the job's name. You're not
required to go from `10%` to `100%`, you can jump to whatever job you want. required to go from `10%` to `100%`, you can jump to whatever job you want.
You can also scale down by running a lower percentage job, just before hitting You can also scale down by running a lower percentage job, just before hitting
`100%`. Once you get to `100%`, you cannot scale down, and you'd have to roll `100%`. Once you get to `100%`, you can't scale down, and you'd have to roll
back by redeploying the old version using the back by redeploying the old version using the
[rollback button](../../ci/environments.md#retrying-and-rolling-back) in the [rollback button](../../ci/environments.md#retrying-and-rolling-back) in the
environment page. environment page.
...@@ -561,9 +557,9 @@ With `INCREMENTAL_ROLLOUT_MODE` set to `manual` and with `STAGING_ENABLED` ...@@ -561,9 +557,9 @@ With `INCREMENTAL_ROLLOUT_MODE` set to `manual` and with `STAGING_ENABLED`
![Rollout and staging enabled](img/rollout_staging_enabled.png) ![Rollout and staging enabled](img/rollout_staging_enabled.png)
CAUTION: **Caution:** CAUTION: **Caution:**
Before GitLab 11.4 this feature was enabled by the presence of the Before GitLab 11.4, the presence of the `INCREMENTAL_ROLLOUT_ENABLED` environment
`INCREMENTAL_ROLLOUT_ENABLED` environment variable. variable enabled this feature. This configuration is deprecated, and will be
This configuration is deprecated and will be removed in the future. removed in the future.
### Timed incremental rollout to production **(PREMIUM)** ### Timed incremental rollout to production **(PREMIUM)**
...@@ -577,8 +573,10 @@ This configuration is based on ...@@ -577,8 +573,10 @@ This configuration is based on
Everything behaves the same way, except: Everything behaves the same way, except:
- It's enabled by setting the `INCREMENTAL_ROLLOUT_MODE` variable to `timed`. - To enable it, set the `INCREMENTAL_ROLLOUT_MODE` variable to `timed`.
- Instead of the standard `production` job, the following jobs are created with a 5 minute delay between each : - Instead of the standard `production` job, the following jobs are created with
a 5 minute delay between each:
1. `timed rollout 10%` 1. `timed rollout 10%`
1. `timed rollout 25%` 1. `timed rollout 25%`
1. `timed rollout 50%` 1. `timed rollout 50%`
...@@ -586,15 +584,15 @@ Everything behaves the same way, except: ...@@ -586,15 +584,15 @@ Everything behaves the same way, except:
## Auto DevOps banner ## Auto DevOps banner
The following Auto DevOps banner will show for maintainers+ on new projects when Auto DevOps is not The following Auto DevOps banner displays for users with Maintainer or greater
enabled: permissions on new projects when Auto DevOps is not enabled:
![Auto DevOps banner](img/autodevops_banner_v12_6.png) ![Auto DevOps banner](img/autodevops_banner_v12_6.png)
The banner can be disabled for: The banner can be disabled for:
- A user when they dismiss it themselves. - A user, when they dismiss it themselves.
- A project by explicitly [disabling Auto DevOps](index.md#enablingdisabling-auto-devops). - A project, by explicitly [disabling Auto DevOps](index.md#enablingdisabling-auto-devops).
- An entire GitLab instance: - An entire GitLab instance:
- By an administrator running the following in a Rails console: - By an administrator running the following in a Rails console:
......
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