315 lines
11 KiB
Markdown
315 lines
11 KiB
Markdown
# Jobs artifacts administration
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> **Notes:**
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> - Introduced in GitLab 8.2 and GitLab Runner 0.7.0.
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> - Starting with GitLab 8.4 and GitLab Runner 1.0, the artifacts archive format changed to `ZIP`.
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> - Starting with GitLab 8.17, builds are renamed to jobs.
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> - This is the administration documentation. For the user guide see [pipelines/job_artifacts](../user/project/pipelines/job_artifacts.md).
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Artifacts is a list of files and directories which are attached to a job
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after it completes successfully. This feature is enabled by default in all
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GitLab installations. Keep reading if you want to know how to disable it.
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## Disabling job artifacts
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To disable artifacts site-wide, follow the steps below.
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---
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**In Omnibus installations:**
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1. Edit `/etc/gitlab/gitlab.rb` and add the following line:
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```ruby
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gitlab_rails['artifacts_enabled'] = false
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```
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1. Save the file and [reconfigure GitLab][] for the changes to take effect.
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---
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**In installations from source:**
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1. Edit `/home/git/gitlab/config/gitlab.yml` and add or amend the following lines:
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```yaml
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artifacts:
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enabled: false
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```
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1. Save the file and [restart GitLab][] for the changes to take effect.
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## Storing job artifacts
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After a successful job, GitLab Runner uploads an archive containing the job
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artifacts to GitLab.
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### Using local storage
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To change the location where the artifacts are stored locally, follow the steps
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below.
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---
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**In Omnibus installations:**
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_The artifacts are stored by default in
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`/var/opt/gitlab/gitlab-rails/shared/artifacts`._
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1. To change the storage path for example to `/mnt/storage/artifacts`, edit
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`/etc/gitlab/gitlab.rb` and add the following line:
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```ruby
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gitlab_rails['artifacts_path'] = "/mnt/storage/artifacts"
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```
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1. Save the file and [reconfigure GitLab][] for the changes to take effect.
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---
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**In installations from source:**
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_The artifacts are stored by default in
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`/home/git/gitlab/shared/artifacts`._
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1. To change the storage path for example to `/mnt/storage/artifacts`, edit
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`/home/git/gitlab/config/gitlab.yml` and add or amend the following lines:
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```yaml
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artifacts:
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enabled: true
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path: /mnt/storage/artifacts
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```
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1. Save the file and [restart GitLab][] for the changes to take effect.
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### Using object storage
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> **Notes:**
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> - [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/1762) in
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> [GitLab Premium](https://about.gitlab.com/pricing/) 9.4.
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> - Since version 9.5, artifacts are [browsable](../user/project/pipelines/job_artifacts.md#browsing-artifacts),
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> when object storage is enabled. 9.4 lacks this feature.
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> - Since version 10.6, available in [GitLab Core](https://about.gitlab.com/pricing/)
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> - Since version 11.0, we support `direct_upload` to S3.
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If you don't want to use the local disk where GitLab is installed to store the
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artifacts, you can use an object storage like AWS S3 instead.
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This configuration relies on valid AWS credentials to be configured already.
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Use an object storage option like AWS S3 to store job artifacts.
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### Object Storage Settings
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For source installations the following settings are nested under `artifacts:` and then `object_store:`. On omnibus installs they are prefixed by `artifacts_object_store_`.
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| Setting | Description | Default |
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|---------|-------------|---------|
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| `enabled` | Enable/disable object storage | `false` |
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| `remote_directory` | The bucket name where Artifacts will be stored| |
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| `direct_upload` | Set to true to enable direct upload of Artifacts without the need of local shared storage. Option may be removed once we decide to support only single storage for all files. | `false` |
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| `background_upload` | Set to false to disable automatic upload. Option may be removed once upload is direct to S3 | `true` |
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| `proxy_download` | Set to true to enable proxying all files served. Option allows to reduce egress traffic as this allows clients to download directly from remote storage instead of proxying all data | `false` |
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| `connection` | Various connection options described below | |
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#### S3 compatible connection settings
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The connection settings match those provided by [Fog](https://github.com/fog), and are as follows:
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| Setting | Description | Default |
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|---------|-------------|---------|
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| `provider` | Always `AWS` for compatible hosts | AWS |
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| `aws_access_key_id` | AWS credentials, or compatible | |
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| `aws_secret_access_key` | AWS credentials, or compatible | |
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| `aws_signature_version` | AWS signature version to use. 2 or 4 are valid options. Digital Ocean Spaces and other providers may need 2. | 4 |
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| `region` | AWS region | us-east-1 |
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| `host` | S3 compatible host for when not using AWS, e.g. `localhost` or `storage.example.com` | s3.amazonaws.com |
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| `endpoint` | Can be used when configuring an S3 compatible service such as [Minio](https://www.minio.io), by entering a URL such as `http://127.0.0.1:9000` | (optional) |
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| `path_style` | Set to true to use `host/bucket_name/object` style paths instead of `bucket_name.host/object`. Leave as false for AWS S3 | false |
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| `use_iam_profile` | Set to true to use IAM profile instead of access keys | false
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**In Omnibus installations:**
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_The artifacts are stored by default in
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`/var/opt/gitlab/gitlab-rails/shared/artifacts`._
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1. Edit `/etc/gitlab/gitlab.rb` and add the following lines by replacing with
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the values you want:
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```ruby
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gitlab_rails['artifacts_enabled'] = true
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gitlab_rails['artifacts_object_store_enabled'] = true
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gitlab_rails['artifacts_object_store_remote_directory'] = "artifacts"
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gitlab_rails['artifacts_object_store_connection'] = {
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'provider' => 'AWS',
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'region' => 'eu-central-1',
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'aws_access_key_id' => 'AWS_ACCESS_KEY_ID',
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'aws_secret_access_key' => 'AWS_SECRET_ACCESS_KEY'
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}
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```
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NOTE: For GitLab 9.4+, if you are using AWS IAM profiles, be sure to omit the
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AWS access key and secret access key/value pairs. For example:
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```ruby
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gitlab_rails['artifacts_object_store_connection'] = {
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'provider' => 'AWS',
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'region' => 'eu-central-1',
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'use_iam_profile' => true
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}
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```
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1. Save the file and [reconfigure GitLab][] for the changes to take effect.
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1. Migrate any existing local artifacts to the object storage:
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```bash
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gitlab-rake gitlab:artifacts:migrate
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```
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Currently this has to be executed manually and it will allow you to
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migrate the existing artifacts to the object storage, but all new
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artifacts will still be stored on the local disk. In the future
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you will be given an option to define a default storage artifacts for all
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new files.
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---
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**In installations from source:**
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_The artifacts are stored by default in
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`/home/git/gitlab/shared/artifacts`._
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1. Edit `/home/git/gitlab/config/gitlab.yml` and add or amend the following
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lines:
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```yaml
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artifacts:
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enabled: true
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object_store:
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enabled: true
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remote_directory: "artifacts" # The bucket name
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connection:
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provider: AWS # Only AWS supported at the moment
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aws_access_key_id: AWS_ACCESS_KEY_ID
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aws_secret_access_key: AWS_SECRET_ACCESS_KEY
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region: eu-central-1
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```
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1. Save the file and [restart GitLab][] for the changes to take effect.
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1. Migrate any existing local artifacts to the object storage:
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```bash
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sudo -u git -H bundle exec rake gitlab:artifacts:migrate RAILS_ENV=production
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```
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Currently this has to be executed manually and it will allow you to
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migrate the existing artifacts to the object storage, but all new
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artifacts will still be stored on the local disk. In the future
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you will be given an option to define a default storage artifacts for all
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new files.
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## Expiring artifacts
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If an expiry date is used for the artifacts, they are marked for deletion
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right after that date passes. Artifacts are cleaned up by the
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`expire_build_artifacts_worker` cron job which is run by Sidekiq every hour at
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50 minutes (`50 * * * *`).
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To change the default schedule on which the artifacts are expired, follow the
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steps below.
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---
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**In Omnibus installations:**
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1. Edit `/etc/gitlab/gitlab.rb` and comment out or add the following line
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```ruby
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gitlab_rails['expire_build_artifacts_worker_cron'] = "50 * * * *"
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```
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1. Save the file and [reconfigure GitLab][] for the changes to take effect.
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---
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**In installations from source:**
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1. Edit `/home/git/gitlab/config/gitlab.yml` and add or amend the following
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lines:
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```yaml
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expire_build_artifacts_worker:
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cron: "50 * * * *"
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```
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1. Save the file and [restart GitLab][] for the changes to take effect.
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## Validation for dependencies
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> Introduced in GitLab 10.3.
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To disable [the dependencies validation](../ci/yaml/README.md#when-a-dependent-job-will-fail),
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you can flip the feature flag from a Rails console.
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---
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**In Omnibus installations:**
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1. Enter the Rails console:
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```sh
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sudo gitlab-rails console
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```
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1. Flip the switch and disable it:
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```ruby
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Feature.enable('ci_disable_validates_dependencies')
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```
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---
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**In installations from source:**
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1. Enter the Rails console:
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```sh
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cd /home/git/gitlab
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RAILS_ENV=production sudo -u git -H bundle exec rails console
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```
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1. Flip the switch and disable it:
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```ruby
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Feature.enable('ci_disable_validates_dependencies')
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```
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## Set the maximum file size of the artifacts
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Provided the artifacts are enabled, you can change the maximum file size of the
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artifacts through the [Admin area settings](../user/admin_area/settings/continuous_integration.md#maximum-artifacts-size).
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## Storage statistics
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You can see the total storage used for job artifacts on groups and projects
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in the administration area, as well as through the [groups](../api/groups.md)
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and [projects APIs](../api/projects.md).
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## Implementation details
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When GitLab receives an artifacts archive, an archive metadata file is also
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generated by [GitLab Workhorse]. This metadata file describes all the entries
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that are located in the artifacts archive itself.
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The metadata file is in a binary format, with additional GZIP compression.
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GitLab does not extract the artifacts archive in order to save space, memory
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and disk I/O. It instead inspects the metadata file which contains all the
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relevant information. This is especially important when there is a lot of
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artifacts, or an archive is a very large file.
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When clicking on a specific file, [GitLab Workhorse] extracts it
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from the archive and the download begins. This implementation saves space,
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memory and disk I/O.
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[reconfigure gitlab]: restart_gitlab.md#omnibus-gitlab-reconfigure "How to reconfigure Omnibus GitLab"
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[restart gitlab]: restart_gitlab.md#installations-from-source "How to restart GitLab"
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[gitlab workhorse]: https://gitlab.com/gitlab-org/gitlab-workhorse "GitLab Workhorse repository"
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