Invalid value: field is immutable

[govind-bt]

Hi Team,

Seeing below error while applying v0.50.0 . Currently have v0.36.0 running and while trying to upgrade to v0.50.0, ran into the error

https://github.com/open-telemetry/opentelemetry-operator/releases/download/v0.50.0/opentelemetry-operator.yaml

The Deployment "opentelemetry-operator-controller-manager" is invalid: spec.selector: Invalid value: v1.LabelSelector{MatchLabels:map[string]string{"app.kubernetes.io/name":"opentelemetry-operator", "control-plane":"controller-manager"}, MatchExpressions:[]v1.LabelSelectorRequirement(nil)}: field is immutable

 kubectl apply -f opentelemetry-operator_v0.50.0.yaml
 namespace/opentelemetry-operator-system unchanged
customresourcedefinition.apiextensions.k8s.io/instrumentations.opentelemetry.io configured
customresourcedefinition.apiextensions.k8s.io/opentelemetrycollectors.opentelemetry.io configured
serviceaccount/opentelemetry-operator-controller-manager unchanged
role.rbac.authorization.k8s.io/opentelemetry-operator-leader-election-role unchanged
clusterrole.rbac.authorization.k8s.io/opentelemetry-operator-manager-role configured
clusterrole.rbac.authorization.k8s.io/opentelemetry-operator-metrics-reader unchanged
clusterrole.rbac.authorization.k8s.io/opentelemetry-operator-proxy-role unchanged
rolebinding.rbac.authorization.k8s.io/opentelemetry-operator-leader-election-rolebinding unchanged
clusterrolebinding.rbac.authorization.k8s.io/opentelemetry-operator-manager-rolebinding unchanged
clusterrolebinding.rbac.authorization.k8s.io/opentelemetry-operator-proxy-rolebinding unchanged
service/opentelemetry-operator-controller-manager-metrics-service unchanged
service/opentelemetry-operator-webhook-service unchanged
certificate.cert-manager.io/opentelemetry-operator-serving-cert unchanged
issuer.cert-manager.io/opentelemetry-operator-selfsigned-issuer unchanged
mutatingwebhookconfiguration.admissionregistration.k8s.io/opentelemetry-operator-mutating-webhook-configuration configured
validatingwebhookconfiguration.admissionregistration.k8s.io/opentelemetry-operator-validating-webhook-configuration configured
The Deployment "opentelemetry-operator-controller-manager" is invalid: spec.selector: Invalid value: v1.LabelSelector{MatchLabels:map[string]string{"app.kubernetes.io/name":"opentelemetry-operator", "control-plane":"controller-manager"}, MatchExpressions:[]v1.LabelSelectorRequirement(nil)}: field is immutable

kubernetes version: 1.19
cert manager: 1.6.1

Can someone please assist on this issues? Let me know if any details required. Thanks

[DWonMtl]

looks like a duplicate of this one #840

[DWonMtl]

an MR is still pending #849

[pavolloffay]

Done in #849