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Git tokens for GitOps

Understand Git tokens and scopes required for GitOps

Codefresh requires two types of Git tokens for authentication in GitOps, a Git Runtime token, and a Git user token. The Runtime and user tokens are both Git access tokens, that Codefresh uses for different purposes. See Git Runtime tokens versus Git user tokens in Codefresh.

The Git Runtime token is mandatory for every GitOps Runtime. It must be provided during the Runtime installation, and can be a service/Robot account token.
The Git user token is an access token that is unique to every user in the Codefresh platform. It is required after installation for every Runtime which the user has access to.

Users can also create and use Git tokens with custom scopes for both GitOps Runtimes and for Git repositories associated with the Runtimes that they need to access. See Git user tokens with custom scopes.

Git Runtime tokens versus Git user tokens in Codefresh

The table below summarizes the main differences between the Git Runtime and user tokens in Codefresh.

	Git Runtime token	Git user token
Usage	_During installation_, to create the Git repository and install the GitOps Runtime. _After installation_, used by: Argo CD to clone the Git repos, pull changes, and sync to the K8s cluster. Argo Events to create web hooks in Git repositories. `cap-app-proxy` to clone the Shared Configuration Repository	Authenticate and authorize user actions in Codefresh UI and CLI to Git repositories for every provisioned GitOps Runtime. Users can view and manage the Git user tokens assigned to the Runtimes in the Git Personal Access Token page.
Created	Before Runtime installation; see required scopes for Git Runtime tokens.	After Runtime installation; see required scopes for Git user tokens.
Managed by	Admin at account-level	User
Associated Account Type	(Recommended) Service account or robot account	User account

Git Runtime token scopes

The table below lists the scopes required for Git Runtime tokens for the different Git providers. You can also create a Git Runtime token with custom scopes and add it directly to the values.yaml file.

Git provider	Required scopes for Git Runtime token
GitHub and GitHub Enterprise	Classic: `repo` `admin:repo_hook` Fine-grained: Repository access: `All repositories` or `Only select repositories` Repository permissions: Administration: `Read and write` Contents: `Read and write` Metadata: `Read-only` Webhook: `Read and write`
GitLab Cloud and GitLab Server	`read_api` `read_repository`
Bitbucket Cloud and Bitbucket Server	Account: `Read` Workspace membership: `Read` Webhooks: `Read and write` Repositories: `Write, Admin`

Git Runtime token in values.yaml

You also have the option to directly add your Git Runtime token, or a reference to a secret that contains the Git Runtime token, to values.yaml (typically the latter).

To skip token validation both during installation and upgrade in this scenario, add the skipValidation flag to values.yaml.

installer:
  skipValidation: true

IMPORTANT
If you set the flag to skip validation, the onus is on you to provide a valid and secure token.

Git user access token scopes

The table below lists the scopes required for Git user access tokens for the different Git providers. As with the Git Runtime token, you can create and use Git user tokens with custom scopes per GitOps Runtime, and per Git repository to which the Runtime has access.

Git provider	Required scopes for Git user token
GitHub and GitHub Enterprise	Classic: `repo` Fine-grained: Repository access: `All repositories` or `Only select repositories` Repository permissions: Contents: `Read and write` Metadata: `Read-only`
GitLab Cloud and GitLab Server	`write_repository` (includes `read_repository`) `api_read`
Bitbucket Cloud and Bitbucket Server	Account: `Read` Workspace membership: `Read` Webhooks: `Read and write` Repositories: `Write, Admin`

Git user tokens with custom scopes

Codefresh validates Git user tokens and their associated scopes when authorizing Git actions for the Runtime.

If you require custom scopes in Git user tokens that don’t meet the default Codefresh requirements, you can create Git user tokens with custom scopes. You may want to have Git user tokens without admin scopes, or use the new fine-grained tokens for GitHub (currently not officially supported by Codefresh).

Codefresh provides the skipGitPermissionValidation flag which you can add to your values.yaml file to bypass token validation for such cases.

app-proxy:
  config:
    skipGitPermissionValidation: "true"

If you set this flag, make sure that:

The Git user token defined for the GitOps Runtime (the token defined for runtime-repo-creds-secret), has read and write access to the Shared Configuration Repository.
The Git user tokens for the different Git repositories associated with the Runtimes have read and write permissions to those Git repositories they expect to write to and read from.
Read more on configuring the repositories with multiple repo-creds secrets in Argo CD Repositories.

IMPORTANT
If you set the flag to skip validation, the onus is on you to provide valid and secure tokens. Codefresh does not validate the tokens whenever Git Runtime and Git user tokens are updated.

Use same Git user tokens for multiple GitOps Runtimes

If a user has access to multiple GitOps Runtimes in the same or in different accounts in Codefresh, they can use either the same Git user token to authenticate and authorize all the Runtimes to which they have access.

NOTE
The user must configure the Git user token for each GitOps Runtime separately.

Manage Git user tokens

User can manage their Git user tokens for Runtimes, as described in Managing Git PATS.

Use a service/robot account for GitOps Runtimes

For GitOps Runtime installation, we recommend using an account not related to any specific user in your organization. Service/robot accounts are ideal for this purpose, as they provide secure authentication, restricted permissions, and centralized management.

You need to create a service or robot account with your Git provider, generate the Git Runtime token, and use this account exclusively to install GitOps Runtimes.

Managing Git PATs
User settings
Secrets for GitOps
Verifying authenticity of Codefresh artifacts