120 lines
4 KiB
Markdown
120 lines
4 KiB
Markdown
# Check Rake Tasks
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## Repository Integrity
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Even though Git is very resilient and tries to prevent data integrity issues,
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there are times when things go wrong. The following Rake tasks intend to
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help GitLab administrators diagnose problem repositories so they can be fixed.
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There are 3 things that are checked to determine integrity.
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1. Git repository file system check ([git fsck](https://git-scm.com/docs/git-fsck)).
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This step verifies the connectivity and validity of objects in the repository.
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1. Check for `config.lock` in the repository directory.
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1. Check for any branch/references lock files in `refs/heads`.
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It's important to note that the existence of `config.lock` or reference locks
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alone do not necessarily indicate a problem. Lock files are routinely created
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and removed as Git and GitLab perform operations on the repository. They serve
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to prevent data integrity issues. However, if a Git operation is interrupted these
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locks may not be cleaned up properly.
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The following symptoms may indicate a problem with repository integrity. If users
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experience these symptoms you may use the rake tasks described below to determine
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exactly which repositories are causing the trouble.
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- Receiving an error when trying to push code - `remote: error: cannot lock ref`
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- A 500 error when viewing the GitLab dashboard or when accessing a specific project.
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### Check all GitLab repositories
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>**Note:**
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>
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> - `gitlab:repo:check` has been deprecated in favor of `gitlab:git:fsck`
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> - [Deprecated][ce-15931] in GitLab 10.4.
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> - `gitlab:repo:check` will be removed in the future. [Removal issue][ce-41699]
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This task loops through all repositories on the GitLab server and runs the
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3 integrity checks described previously.
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**Omnibus Installation**
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```
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sudo gitlab-rake gitlab:git:fsck
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```
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**Source Installation**
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```bash
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sudo -u git -H bundle exec rake gitlab:git:fsck RAILS_ENV=production
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```
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### Check repositories for a specific user
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This task checks all repositories that a specific user has access to. This is important
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because sometimes you know which user is experiencing trouble but you don't know
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which project might be the cause.
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If the rake task is executed without brackets at the end, you will be prompted
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to enter a username.
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**Omnibus Installation**
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```bash
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sudo gitlab-rake gitlab:user:check_repos
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sudo gitlab-rake gitlab:user:check_repos[<username>]
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```
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**Source Installation**
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```bash
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sudo -u git -H bundle exec rake gitlab:user:check_repos RAILS_ENV=production
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sudo -u git -H bundle exec rake gitlab:user:check_repos[<username>] RAILS_ENV=production
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```
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Example output:
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## Uploaded Files Integrity
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The uploads check Rake task will loop through all uploads in the database
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and run two checks to determine the integrity of each file:
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1. Check if the file exist on the file system.
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1. Check if the checksum of the file on the file system matches the checksum in the database.
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**Omnibus Installation**
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```
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sudo gitlab-rake gitlab:uploads:check
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```
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**Source Installation**
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```bash
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sudo -u git -H bundle exec rake gitlab:uploads:check RAILS_ENV=production
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```
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This task also accepts some environment variables which you can use to override
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certain values:
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Variable | Type | Description
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-------- | ---- | -----------
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`BATCH` | integer | Specifies the size of the batch. Defaults to 200.
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`ID_FROM` | integer | Specifies the ID to start from, inclusive of the value.
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`ID_TO` | integer | Specifies the ID value to end at, inclusive of the value.
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```bash
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sudo gitlab-rake gitlab:uploads:check BATCH=100 ID_FROM=50 ID_TO=250
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```
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## LDAP Check
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The LDAP check Rake task will test the bind_dn and password credentials
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(if configured) and will list a sample of LDAP users. This task is also
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executed as part of the `gitlab:check` task, but can run independently.
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See [LDAP Rake Tasks - LDAP Check](ldap.md#check) for details.
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[ce-15931]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/15931
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[ce-41699]: https://gitlab.com/gitlab-org/gitlab-ce/issues/41699
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