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Operator Publishing / Review settings

Each operator might have ci.yaml configuration file to be present in an operator directory (for example operators/aqua/ci.yaml). This configuration file is used by community-operators pipeline to setup various features like reviewers or operator versioning.

Note: One can create or modify ci.yaml file with a new operator version. This operation can be done in the same PR with other operator changes.

Reviewers

If you want to accelerate publishing your changes, consider adding yourself and others you trust to the reviewers list. If the author of PR will be in that list, changes she/he made will be taken as authorized changes. This will be the indicator for our pipeline that the PR is ready to merge automatically.

Note: If an author of PR is not in reviewers list or not in ci.yaml on main branch, PR will not be merged automatically.

Note: If an auhor of PR is not in reviewers list and reviewers are present in ci.yaml file. All reviewers will be mentioned in PR comment to check for upcoming changes.

For this to work, it is required to setup reviewers in ci.yaml file. It can be done by adding reviewers tag with a list of GitHub usernames. For example

Example

$ cat <path-to-operator>/ci.yaml
---
reviewers:
  - user1
  - user2

Operator versioning

Operators have multiple versions. When a new version is released, OLM can update an operator automatically. There are 2 update strategies possible, which are defined in ci.yaml at the operator top level.

replaces-mode

Every next version defines which version will be replaced using replaces key in the CSV file. It means, that there is a possibility to omit some versions from the update graph. The best practice is to put them in a separate channel then.

semver-mode

Every version will be replaced by the next higher version according to semantic versioning.

Restrictions

A contributor can decide if semver-mode or replaces-mode mode will be used for a specific operator. By default, replaces-mode is activated, when ci.yaml file is present and contains updateGraph: replaces-mode. When a contributor decides to switch and use semver-mode, it will be specified in ci.yaml file or the key updateGraph will be missing.

Example

$ cat <path-to-operator>/ci.yaml
---
# Use `replaces-mode` or `semver-mode`.
updateGraph: replaces-mode

Kubernetes max version in CSV

Starting from kubernetes 1.22 some old APIs were deprecated (Deprecated API Migration Guide from v1.22. Users can set operatorhub.io/ui-metadata-max-k8s-version: "<version>" in its CSV file to inform its maximum supported Kubernetes version. The following example will inform that operator can handle 1.21 as maximum Kubernetes version

$ cat <path-to-operators>/<name>/<version>/.../my.clusterserviceversion.yaml
metadata:
  annotations:
    operatorhub.io/ui-metadata-max-k8s-version: "1.21"