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Crossplane Operator DFDS

A Kubernetes operator to support the Crossplane implementation in DFDS.

It works by detecting an annotation on the namespace and if set to true it will install the DFDS Crossplane pre-requisites such as RBAC rules for multi-tenancy and ProviderConfig into the namespace using an AWS Account ID annotation on the namespace.

Configuration

Environment variables

The operator can be configured with the following environment variables:

DFDS_CROSSPLANE_ENABLED_ANNOTATION_NAME - This variable is used to set the annotation name for the operator to obtain whether Crossplane should be enabled on the namespace.

DFDS_CROSSPLANE_AWS_ACCOUNT_ID_ANNOTATION_NAME - This variable is used to set the annotation name for the operator to obtain the AWS account ID from

DFDS_CROSSPLANE_PKG_ALLOWED_API_GROUPS - This varialbe is used to configure the allowed API groups to apply to the RBAC when enabling Crossplane

Installing

Helm chart

The operator can be installed via helm using the following command:

helm install -n crossplane-system -f values.yaml crossplane-operator-dfds dfds/crossplane-operator-dfds

Environment variables can be set in the values.yaml file you provide to helm as follows:

crossplaneOperatorDfds:
  enableAnnotionName: "dfds-crossplane-enabled"
  awsAccountAnnotationName: "dfds-aws-account-id"

Locally

Useful for development/testing - With your appropriate kube context set you can run the operator locally by cloning the repository and running the following command, replacing values for the environment variables as required:

DFDS_CROSSPLANE_PKG_ALLOWED_API_GROUPS="storage.xplane.dfds.cloud,certs.xplane.dfds.cloud,cdn.xplane.dfds.cloud, compute.xplane.dfds.cloud" DFDS_CROSSPLANE_ENABLED_ANNOTATION_NAME="dfds-crossplane-enabled" DFDS_CROSSPLANE_AWS_ACCOUNT_ID_ANNOTATION_NAME="dfds-aws-account-id" make run

Building

The application can be built using the following command:

make build

To build a docker image update the IMAGE_TAG_BASE and VERSION in the makefile and run:

make docker build

To push the docker image to a repository, run:

make docker push