examples/knative broken on OpenShift knative 0.6.0, must not set the field(s): spec.runLatest.configuration.revisionTemplate.spec.container.env[11].valueFrom.fieldRef

[maschmid]

Attempting to run camelk 0.3.3 examples/knative demo on OpenShift 4.1.rc9 with knative serving & eventing 0.6.0 (installed from operatorhub),

fails to deploy the "printer" integration with the following Reconciler error in the camel-k-operator

{"level":"info","ts":1559655631.553665,"logger":"camel-k.controller.integration","msg":"Reconciling Integration","request-namespace":"myproject","request-name":"printer"}
{"level":"info","ts":1559655631.5537536,"logger":"camel-k.controller.integration","msg":"Invoking action deploy","request-namespace":"myproject","request-name":"printer","api-version":"camel.apache.org/v1alpha1","kind":"Integration","ns":"myproject","name":"printer"}
{"level":"info","ts":1559655631.5538898,"logger":"camel-k.trait","msg":"Apply trait: camel"}
{"level":"info","ts":1559655631.555041,"logger":"camel-k.trait","msg":"Apply trait: gc"}
{"level":"info","ts":1559655631.5555255,"logger":"camel-k.trait","msg":"Apply trait: knative"}
{"level":"info","ts":1559655631.5555818,"logger":"camel-k.trait","msg":"Apply trait: environment"}
{"level":"info","ts":1559655631.5555944,"logger":"camel-k.trait","msg":"Apply trait: deployer"}
{"level":"info","ts":1559655631.5559294,"logger":"camel-k.trait","msg":"Apply trait: knative-service"}
{"level":"info","ts":1559655631.5559826,"logger":"camel-k.trait","msg":"Apply trait: container"}
{"level":"info","ts":1559655631.5559938,"logger":"camel-k.trait","msg":"Apply trait: classpath"}
{"level":"info","ts":1559655631.5560288,"logger":"camel-k.trait","msg":"Apply trait: istio"}
{"level":"info","ts":1559655631.5560393,"logger":"camel-k.trait","msg":"Apply trait: owner"}
{"level":"error","ts":1559655631.5794945,"logger":"kubebuilder.controller","msg":"Reconciler error","controller":"integration-controller","request":"myproject/printer","error":"could not create or replace resource printer: Internal error occurred: admission webhook \"webhook.serving.knative.dev\" denied the request: mutation failed: must not set the field(s): spec.runLatest.configuration.revisionTemplate.spec.container.env[11].valueFrom.fieldRef, spec.runLatest.configuration.revisionTemplate.spec.container.env[12].valueFrom.fieldRef","errorVerbose":"Internal error occurred: admission webhook \"webhook.serving.knative.dev\" denied the request: mutation failed: must not set the field(s): spec.runLatest.configuration.revisionTemplate.spec.container.env[11].valueFrom.fieldRef, spec.runLatest.configuration.revisionTemplate.spec.container.env[12].valueFrom.fieldRef\ncould not create or replace resource printer\ngithub.com/apache/camel-k/pkg/util/kubernetes.ReplaceResource\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/pkg/util/kubernetes/replace.go:66\ngithub.com/apache/camel-k/pkg/util/kubernetes.ReplaceResources\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/pkg/util/kubernetes/replace.go:37\ngithub.com/apache/camel-k/pkg/controller/integration.(*deployAction).Handle\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/pkg/controller/integration/deploy.go:67\ngithub.com/apache/camel-k/pkg/controller/integration.(*ReconcileIntegration).Reconcile\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/pkg/controller/integration/integration_controller.go:151\ngithub.com/apache/camel-k/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:215\ngithub.com/apache/camel-k/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func1\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:158\ngithub.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait.JitterUntil.func1\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:133\ngithub.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait.JitterUntil\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:134\ngithub.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait.Until\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:88\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:2361","stacktrace":"github.com/apache/camel-k/vendor/github.com/go-logr/zapr.(*zapLogger).Error\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/github.com/go-logr/zapr/zapr.go:128\ngithub.com/apache/camel-k/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:217\ngithub.com/apache/camel-k/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func1\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:158\ngithub.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait.JitterUntil.func1\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:133\ngithub.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait.JitterUntil\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:134\ngithub.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait.Until\n\t/home/nferraro/gopaths/camel-k/src/github.com/apache/camel-k/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:88"}