fn.go

package main

import (
	"context"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/service/dynamodb"
	"github.com/aws/aws-sdk-go-v2/service/kinesis"
	ctrl "sigs.k8s.io/controller-runtime"
	xpv1 "github.com/crossplane/crossplane-runtime/apis/common/v1"
	"github.com/crossplane/crossplane-runtime/pkg/errors"
	"github.com/crossplane/crossplane-runtime/pkg/meta"
	"github.com/crossplane/crossplane-runtime/pkg/reconciler/managed"
	cpresource "github.com/crossplane/crossplane-runtime/pkg/resource"
)

type Composition struct{}

func (c *Composition) Compose(ctx context.Context, mg cpresource.Managed, clm cpresource.Claim) (cpresource.Composed, error) {
	// Compose the desired DynamoDB table and Kinesis stream based on the claim
	dynamoDBTable, err := composeDynamoDBTable(ctx, mg, clm)
	if err != nil {
		return cpresource.Composed{}, err
	}

	kinesisStream, err := composeKinesisStream(ctx, mg, clm)
	if err != nil {
		return cpresource.Composed{}, err
	}

	return cpresource.Composed{
		Resources: []cpresource.ComposedResource{
			dynamoDBTable,
			kinesisStream,
		},
	}, nil
}

func composeDynamoDBTable(ctx context.Context, mg cpresource.Managed, clm cpresource.Claim) (cpresource.ComposedResource, error) {
	// Implement the logic to compose the desired DynamoDB table based on the claim
	return cpresource.ComposedResource{}, nil
}

func composeKinesisStream(ctx context.Context, mg cpresource.Managed, clm cpresource.Claim) (cpresource.ComposedResource, error) {
	// Implement the logic to compose the desired Kinesis stream based on the claim
	return cpresource.ComposedResource{}, nil
}

func (c *Composition) Render(ctx context.Context, mg cpresource.Managed, res cpresource.Composed) error {
	// Render the composed resources to the managed resource
	return nil
}

func (c *Composition) Observe(ctx context.Context, mg cpresource.Managed) (cpresource.Managed, error) {
	// Observe the current state of the DynamoDB table and Kinesis stream
	return mg, nil
}