CRD compatibility with k8s 1.14

preserverUnknownFields was introduced in 1.15

Author: amuraru

Makefile

@@ -3,7 +3,7 @@ TAG ?= $(shell git describe --tags --abbrev=0 --match '[0-9].*[0-9].*[0-9]' 2>/d
 IMG ?= banzaicloud/kafka-operator:$(TAG)
 
 # Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
-CRD_OPTIONS ?= "crd:trivialVersions=true,preserveUnknownFields=false"
+CRD_OPTIONS ?= "crd:trivialVersions=true"
 
 RELEASE_TYPE ?= p
 RELEASE_MSG ?= "operator release"

charts/kafka-operator/crds/operator-kafka-crd.yaml

@@ -14,7 +14,6 @@ spec:
     listKind: KafkaClusterList
     plural: kafkaclusters
     singular: kafkacluster
-  preserveUnknownFields: false
   scope: Namespaced
   subresources:
     status: {}

charts/kafka-operator/crds/operator-kafka-topic-crd.yaml

@@ -14,7 +14,6 @@ spec:
     listKind: KafkaTopicList
     plural: kafkatopics
     singular: kafkatopic
-  preserveUnknownFields: false
   scope: Namespaced
   subresources:
     status: {}

charts/kafka-operator/crds/operator-kafka-user-crd.yaml

@@ -14,7 +14,6 @@ spec:
     listKind: KafkaUserList
     plural: kafkausers
     singular: kafkauser
-  preserveUnknownFields: false
   scope: Namespaced
   subresources:
     status: {}

config/base/crds/kafka.banzaicloud.io_kafkaclusters.yaml

@@ -14,7 +14,6 @@ spec:
     listKind: KafkaClusterList
     plural: kafkaclusters
     singular: kafkacluster
-  preserveUnknownFields: false
   scope: Namespaced
   subresources:
     status: {}

config/base/crds/kafka.banzaicloud.io_kafkatopics.yaml

@@ -14,7 +14,6 @@ spec:
     listKind: KafkaTopicList
     plural: kafkatopics
     singular: kafkatopic
-  preserveUnknownFields: false
   scope: Namespaced
   subresources:
     status: {}

config/base/crds/kafka.banzaicloud.io_kafkausers.yaml

@@ -14,7 +14,6 @@ spec:
     listKind: KafkaUserList
     plural: kafkausers
     singular: kafkauser
-  preserveUnknownFields: false
   scope: Namespaced
   subresources:
     status: {}