Migrate from deprecated kube-proxy to native controller metrics endpoint

Author: Greg Pontejos

Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM registry.access.redhat.com/ubi8/go-toolset as builder
+FROM registry.access.redhat.com/ubi8/go-toolset:1.22.9-2.1740072407 as builder
 ARG TARGETOS
 ARG TARGETARCH
 ARG VERSION
@@ -31,7 +31,7 @@ RUN GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -tags \
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
-FROM registry.access.redhat.com/ubi8/ubi-micro
+FROM registry.access.redhat.com/ubi8-minimal:8.10-1179.1739286367
 WORKDIR /
 COPY LICENSE licenses/
 COPY --from=builder /etc/pki /etc/pki

Makefile

@@ -48,7 +48,7 @@ endif
 
 # Set the Operator SDK version to use. By default, what is installed on the system is used.
 # This is useful for CI or a project to utilize a specific version of the operator-sdk toolkit.
-OPERATOR_SDK_VERSION ?= v1.34.1
+OPERATOR_SDK_VERSION ?= v1.38.0
 
 # Image URL to use all building/pushing image targets
 IMG ?= controller:latest
@@ -220,7 +220,7 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 
 ## Tool Versions
 KUSTOMIZE_VERSION ?= v5.2.1
-CONTROLLER_TOOLS_VERSION ?= v0.14.0
+CONTROLLER_TOOLS_VERSION ?= v0.16.5
 
 .PHONY: kustomize
 kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.

bundle.Dockerfile

@@ -6,7 +6,7 @@ LABEL operators.operatorframework.io.bundle.manifests.v1=manifests/
 LABEL operators.operatorframework.io.bundle.metadata.v1=metadata/
 LABEL operators.operatorframework.io.bundle.package.v1=falcon-operator
 LABEL operators.operatorframework.io.bundle.channels.v1=alpha
-LABEL operators.operatorframework.io.metrics.builder=operator-sdk-v1.34.1
+LABEL operators.operatorframework.io.metrics.builder=operator-sdk-v1.38.0
 LABEL operators.operatorframework.io.metrics.mediatype.v1=metrics+v1
 LABEL operators.operatorframework.io.metrics.project_layout=go.kubebuilder.io/v4
 

bundle/manifests/falcon-operator-controller-manager-metrics-service_v1_service.yaml

@@ -4,7 +4,7 @@ metadata:
   creationTimestamp: null
   labels:
     control-plane: controller-manager
-    crowdstrike.com/component: kube-rbac-proxy
+    crowdstrike.com/component: metrics
     crowdstrike.com/created-by: falcon-operator
     crowdstrike.com/instance: controller-manager-metrics-service
     crowdstrike.com/managed-by: kustomize

bundle/manifests/falcon-operator-metrics-reader_rbac.authorization.k8s.io_v1_clusterrole.yaml

@@ -3,7 +3,7 @@ kind: ClusterRole
 metadata:
   creationTimestamp: null
   labels:
-    crowdstrike.com/component: kube-rbac-proxy
+    crowdstrike.com/component: metrics
     crowdstrike.com/created-by: falcon-operator
     crowdstrike.com/instance: metrics-reader
     crowdstrike.com/managed-by: kustomize

bundle/manifests/falcon-operator-node-sensor-role_rbac.authorization.k8s.io_v1_clusterrole.yaml

@@ -23,6 +23,7 @@ rules:
 - apiGroups:
   - ""
   resources:
+  - namespaces
   - secrets
   - cronjobs
   - daemonsets

bundle/manifests/falcon-operator.clusterserviceversion.yaml

@@ -2,7 +2,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.14.0
+    controller-gen.kubebuilder.io/version: v0.16.5
   creationTimestamp: null
   name: falconadmissions.falcon.crowdstrike.com
 spec:
@@ -103,10 +103,13 @@ spec:
                         referenced object inside the same namespace.
                       properties:
                         name:
+                          default: ""
                           description: |-
                             Name of the referent.
+                            This field is effectively required, but due to backwards compatibility is
+                            allowed to be empty. Instances of this type with an empty value here are
+                            almost certainly wrong.
                             More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
-                            TODO: Add other useful fields. apiVersion, kind, uid?
                           type: string
                       type: object
                       x-kubernetes-map-type: atomic
@@ -134,11 +137,9 @@ spec:
                           Claims lists the names of resources, defined in spec.resourceClaims,
                           that are used by this container.
 
-
                           This is an alpha field and requires enabling the
                           DynamicResourceAllocation feature gate.
 
-
                           This field is immutable. It can only be set for containers.
                         items:
                           description: ResourceClaim references one entry in PodSpec.ResourceClaims.
@@ -149,6 +150,12 @@ spec:
                                 the Pod where this field is used. It makes that resource available
                                 inside a container.
                               type: string
+                            request:
+                              description: |-
+                                Request is the name chosen for a request in the referenced claim.
+                                If empty, everything from the claim is made available, otherwise
+                                only the result of this request.
+                              type: string
                           required:
                           - name
                           type: object
@@ -196,11 +203,9 @@ spec:
                           Claims lists the names of resources, defined in spec.resourceClaims,
                           that are used by this container.
 
-
                           This is an alpha field and requires enabling the
                           DynamicResourceAllocation feature gate.
 
-
                           This field is immutable. It can only be set for containers.
                         items:
                           description: ResourceClaim references one entry in PodSpec.ResourceClaims.
@@ -211,6 +216,12 @@ spec:
                                 the Pod where this field is used. It makes that resource available
                                 inside a container.
                               type: string
+                            request:
+                              description: |-
+                                Request is the name chosen for a request in the referenced claim.
+                                If empty, everything from the claim is made available, otherwise
+                                only the result of this request.
+                              type: string
                           required:
                           - name
                           type: object
@@ -258,11 +269,9 @@ spec:
                           Claims lists the names of resources, defined in spec.resourceClaims,
                           that are used by this container.
 
-
                           This is an alpha field and requires enabling the
                           DynamicResourceAllocation feature gate.
 
-
                           This field is immutable. It can only be set for containers.
                         items:
                           description: ResourceClaim references one entry in PodSpec.ResourceClaims.
@@ -273,6 +282,12 @@ spec:
                                 the Pod where this field is used. It makes that resource available
                                 inside a container.
                               type: string
+                            request:
+                              description: |-
+                                Request is the name chosen for a request in the referenced claim.
+                                If empty, everything from the claim is made available, otherwise
+                                only the result of this request.
+                              type: string
                           required:
                           - name
                           type: object
@@ -457,10 +472,8 @@ spec:
                 description: |-
                   FalconAPI configures connection from your local Falcon operator to CrowdStrike Falcon platform.
 
-
                   When configured, it will pull the sensor from registry.crowdstrike.com and deploy the appropriate sensor to the cluster.
 
-
                   If using the API is not desired, the sensor can be manually configured by setting the Image and Version fields.
                 properties:
                   cid:
@@ -564,16 +577,8 @@ spec:
             properties:
               conditions:
                 items:
-                  description: "Condition contains details for one aspect of the current
-                    state of this API Resource.\n---\nThis struct is intended for
-                    direct use as an array at the field path .status.conditions.  For
-                    example,\n\n\n\ttype FooStatus struct{\n\t    // Represents the
-                    observations of a foo's current state.\n\t    // Known .status.conditions.type
-                    are: \"Available\", \"Progressing\", and \"Degraded\"\n\t    //
-                    +patchMergeKey=type\n\t    // +patchStrategy=merge\n\t    // +listType=map\n\t
-                    \   // +listMapKey=type\n\t    Conditions []metav1.Condition `json:\"conditions,omitempty\"
-                    patchStrategy:\"merge\" patchMergeKey:\"type\" protobuf:\"bytes,1,rep,name=conditions\"`\n\n\n\t
-                    \   // other fields\n\t}"
+                  description: Condition contains details for one aspect of the current
+                    state of this API Resource.
                   properties:
                     lastTransitionTime:
                       description: |-
@@ -614,12 +619,7 @@ spec:
                       - Unknown
                       type: string
                     type:
-                      description: |-
-                        type of condition in CamelCase or in foo.example.com/CamelCase.
-                        ---
-                        Many .condition.type values are consistent across resources like Available, but because arbitrary conditions can be
-                        useful (see .node.status.conditions), the ability to deconflict is important.
-                        The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
+                      description: type of condition in CamelCase or in foo.example.com/CamelCase.
                       maxLength: 316
                       pattern: ^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$
                       type: string