gistfile1.txt

kubectl proxy &
kubectl delete cluster my-cluster --ignore-not-found=true
kubectl delete crd cluster --ignore-not-found=true
cat <<EOF | kubectl apply -f -
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: clusters.stable.example.com
spec:
  group: stable.example.com
  versions:
    - name: v1
      served: true
      storage: true
  scope: Namespaced
  names:
    plural: clusters
    singular: cluster
    kind: cluster
    shortNames:
    - ct
  # subresources describes the subresources for custom resources.
  subresources:
    # status enables the status subresource.
    status: {}
---
apiVersion: "stable.example.com/v1"
kind: cluster
metadata:
  name: my-cluster
spec:
  image: my-cluster
  replicas: 3
EOF

# Broken due to https://github.com/kubernetes/kubernetes/pull/60902
#kubectl -v 10 patch cluster my-cluster --type merge -p '{"status":{"test":true}}'
#kubectl -v 10 patch cluster my-cluster --type merge -p '{"status":{"conditions":[
#{"lastHeartbeatTime":"2019-04-16T23:14:56Z","lastTransitionTime":"2018-09-12T12:55:05Z","message":"kubelet has sufficient memory available","reason":"KubeletHasSufficientMemory","status":"False","type":"MemoryPressure"}
#]}}'

kubectl get cluster -oyaml

echo 'patching'
curl -k -v -XPATCH  \
  -d '{"status":{"test":true}}' \
  -H "Accept: application/json" \
  -H "Content-Type: application/merge-patch+json" \
  -H "User-Agent: kubectl/v1.14.0 (darwin/amd64) kubernetes/641856d" \
  'localhost:8001/apis/stable.example.com/v1/namespaces/default/clusters/my-cluster/status'

kubectl get cluster -oyaml

gistfile2.txt

I0417 00:21:00.809515   12816 round_trippers.go:438] GET https://192.168.99.100:8443/apis/metrics.k8s.io/v1beta1?timeout=32s 503 Service Unavailable in 2 milliseconds
I0417 00:21:00.809528   12816 round_trippers.go:444] Response Headers:
I0417 00:21:00.809534   12816 round_trippers.go:447]     Content-Length: 20
I0417 00:21:00.809538   12816 round_trippers.go:447]     Date: Tue, 16 Apr 2019 23:21:00 GMT
I0417 00:21:00.809543   12816 round_trippers.go:447]     Content-Type: text/plain; charset=utf-8
I0417 00:21:00.809547   12816 round_trippers.go:447]     X-Content-Type-Options: nosniff
I0417 00:21:00.823718   12816 request.go:942] Response Body: service unavailable
I0417 00:21:00.835548   12816 request.go:1145] body was not decodable (unable to check for Status): couldn't get version/kind; json parse error: json: cannot unmarshal string into Go value of type struct { APIVersion string "json:\"apiVersion,omitempty\""; Kind string "json:\"kind,omitempty\"" }
I0417 00:21:00.835568   12816 cached_discovery.go:78] skipped caching discovery info due to the server is currently unable to handle the request
I0417 00:21:00.836520   12816 round_trippers.go:419] curl -k -v -XGET  -H "Accept: application/json" -H "User-Agent: kubectl/v1.14.0 (darwin/amd64) kubernetes/641856d" 'https://192.168.99.100:8443/apis/stable.example.com/v1/namespaces/default/clusters/my-cluster'
I0417 00:21:00.839269   12816 round_trippers.go:438] GET https://192.168.99.100:8443/apis/stable.example.com/v1/namespaces/default/clusters/my-cluster 200 OK in 2 milliseconds
I0417 00:21:00.839287   12816 round_trippers.go:444] Response Headers:
I0417 00:21:00.839293   12816 round_trippers.go:447]     Content-Type: application/json
I0417 00:21:00.839297   12816 round_trippers.go:447]     Content-Length: 633
I0417 00:21:00.839302   12816 round_trippers.go:447]     Date: Tue, 16 Apr 2019 23:21:00 GMT
I0417 00:21:00.839324   12816 request.go:942] Response Body: {"apiVersion":"stable.example.com/v1","kind":"cluster","metadata":{"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"stable.example.com/v1\",\"kind\":\"cluster\",\"metadata\":{\"annotations\":{},\"name\":\"my-cluster\",\"namespace\":\"default\"},\"spec\":{\"image\":\"my-cluster\",\"replicas\":3}}\n"},"creationTimestamp":"2019-04-16T23:19:52Z","generation":1,"name":"my-cluster","namespace":"default","resourceVersion":"45078","selfLink":"/apis/stable.example.com/v1/namespaces/default/clusters/my-cluster","uid":"233183ff-609e-11e9-8525-080027977e34"},"spec":{"image":"my-cluster","replicas":3}}
I0417 00:21:00.839902   12816 request.go:942] Request Body: {"status":{"conditions":[
{"lastHeartbeatTime":"2019-04-16T23:14:56Z","lastTransitionTime":"2018-09-12T12:55:05Z","message":"kubelet has sufficient memory available","reason":"KubeletHasSufficientMemory","status":"False","type":"MemoryPressure"}
]}}
I0417 00:21:00.839942   12816 round_trippers.go:419] curl -k -v -XPATCH  -H "Accept: application/json" -H "Content-Type: application/merge-patch+json" -H "User-Agent: kubectl/v1.14.0 (darwin/amd64) kubernetes/641856d" 'https://192.168.99.100:8443/apis/stable.example.com/v1/namespaces/default/clusters/my-cluster'
I0417 00:21:00.843108   12816 round_trippers.go:438] PATCH https://192.168.99.100:8443/apis/stable.example.com/v1/namespaces/default/clusters/my-cluster 200 OK in 3 milliseconds
I0417 00:21:00.843130   12816 round_trippers.go:444] Response Headers:
I0417 00:21:00.843139   12816 round_trippers.go:447]     Content-Type: application/json
I0417 00:21:00.843146   12816 round_trippers.go:447]     Content-Length: 633
I0417 00:21:00.843153   12816 round_trippers.go:447]     Date: Tue, 16 Apr 2019 23:21:00 GMT
I0417 00:21:00.843205   12816 request.go:942] Response Body: {"apiVersion":"stable.example.com/v1","kind":"cluster","metadata":{"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"stable.example.com/v1\",\"kind\":\"cluster\",\"metadata\":{\"annotations\":{},\"name\":\"my-cluster\",\"namespace\":\"default\"},\"spec\":{\"image\":\"my-cluster\",\"replicas\":3}}\n"},"creationTimestamp":"2019-04-16T23:19:52Z","generation":1,"name":"my-cluster","namespace":"default","resourceVersion":"45078","selfLink":"/apis/stable.example.com/v1/namespaces/default/clusters/my-cluster","uid":"233183ff-609e-11e9-8525-080027977e34"},"spec":{"image":"my-cluster","replicas":3}}
cluster.stable.example.com/my-cluster patched (no change)