Hunting for RouteTable leaks

composition.yaml

---
apiVersion: apiextensions.crossplane.io/v1
kind: Composition
metadata:
  name: leaktest
spec:
  writeConnectionSecretsToNamespace: crossplane-system
  compositeTypeRef:
    apiVersion: crossplane.io/v1alpha1
    kind: LeakTest
  resources:
    - name: vpc
      base:
        apiVersion: ec2.aws.crossplane.io/v1beta1
        kind: VPC
        spec:
          forProvider:
            region: us-east-1
            cidrBlock: 192.168.0.0/16
            enableDnsSupport: true
            enableDnsHostNames: true
    - name: subnet-a
      base:
        apiVersion: ec2.aws.crossplane.io/v1beta1
        kind: Subnet
        metadata:
          labels:
            zone: us-east-1a
        spec:
          forProvider:
            region: us-east-1
            cidrBlock: 192.168.64.0/18
            vpcIdSelector:
              matchControllerRef: true
            availabilityZone: us-east-1a
    - name: subnet-b
      base:
        apiVersion: ec2.aws.crossplane.io/v1beta1
        kind: Subnet
        metadata:
          labels:
            zone: us-east-1b
        spec:
          forProvider:
            region: us-east-1
            cidrBlock: 192.168.128.0/18
            vpcIdSelector:
              matchControllerRef: true
            availabilityZone: us-east-1b
    - name: subnet-c
      base:
        apiVersion: ec2.aws.crossplane.io/v1beta1
        kind: Subnet
        metadata:
          labels:
            zone: us-east-1c
        spec:
          forProvider:
            region: us-east-1
            cidrBlock: 192.168.192.0/18
            vpcIdSelector:
              matchControllerRef: true
            availabilityZone: us-east-1c
    - name: internetgateway
      base:
        apiVersion: ec2.aws.crossplane.io/v1beta1
        kind: InternetGateway
        spec:
          forProvider:
            region: us-east-1
            vpcIdSelector:
              matchControllerRef: true
    - name: routetable
      base:
        apiVersion: ec2.aws.crossplane.io/v1beta1
        kind: RouteTable
        spec:
          forProvider:
            region: us-east-1
            tags:
            - key: negz
              value: test
            vpcIdSelector:
              matchControllerRef: true
            routes:
              - destinationCidrBlock: 0.0.0.0/0
                gatewayIdSelector:
                  matchControllerRef: true
            associations:
              - subnetIdSelector:
                  matchControllerRef: true
                  matchLabels:
                    zone: us-east-1a
              - subnetIdSelector:
                  matchControllerRef: true
                  matchLabels:
                    zone: us-east-1b
              - subnetIdSelector:
                  matchControllerRef: true
                  matchLabels:
                    zone: us-east-1c

definition.yaml

---
apiVersion: apiextensions.crossplane.io/v1
kind: CompositeResourceDefinition
metadata:
  name: leaktests.crossplane.io
spec:
  group: crossplane.io
  names:
    kind: LeakTest
    plural: leaktests
  versions:
  - name: v1alpha1
    served: true
    referenceable: true
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            type: object

leaktest.yaml

---
apiVersion: crossplane.io/v1alpha1
kind: LeakTest
metadata:
  name: test-0
  annotations:
    state: a
spec:
  compositionRef:
    name: leaktest
---
apiVersion: crossplane.io/v1alpha1
kind: LeakTest
metadata:
  name: test-1
  annotations:
    state: a
spec:
  compositionRef:
    name: leaktest
---
apiVersion: crossplane.io/v1alpha1
kind: LeakTest
metadata:
  name: test-2
  annotations:
    state: a
spec:
  compositionRef:
    name: leaktest
---
apiVersion: crossplane.io/v1alpha1
kind: LeakTest
metadata:
  name: test-3
  annotations:
    state: a
spec:
  compositionRef:
    name: leaktest
---
apiVersion: crossplane.io/v1alpha1
kind: LeakTest
metadata:
  name: test-4
  annotations:
    state: a
spec:
  compositionRef:
    name: leaktest

leaky.sh

#!/bin/bash

while true; do
        kubectl apply -f leaktest.yaml
        sleep 300
        kubectl delete -f leaktest.yaml
        sleep 60
        echo "Again!"
done