Add support for Oracle OKE environment

examples/preflight/sample-preflight.yaml

@@ -72,6 +72,9 @@ spec:
  - pass:
  when: "== k3s"
  message: K3S is a supported distribution
+ - pass:
+ when: "== oke"
+ message: OKE is a supported distribution
  - warn:
  message: Unable to determine the distribution of Kubernetes
  - nodeResources:

pkg/analyze/distribution.go

@@ -26,6 +26,7 @@ type providers struct {
  minikube bool
  rke2 bool
  k3s bool
+ oke bool
 }
 
 type Provider int
@@ -45,6 +46,7 @@ const (
  minikube Provider = iota
  rke2 Provider = iota
  k3s Provider = iota
+ oke Provider = iota
 )
 
 type AnalyzeDistribution struct {
@@ -125,6 +127,11 @@ func ParseNodesForProviders(nodes []corev1.Node) (providers, string) {
  foundProviders.k3s = true
  stringProvider = "k3s"
  }
+ if k == "oci.oraclecloud.com/fault-domain" {
+ // Based on: https://docs.oracle.com/en-us/iaas/Content/ContEng/Reference/contengsupportedlabelsusecases.htm
+ foundProviders.oke = true
+ stringProvider = "oke"
+ }
  }
 
  for k := range node.ObjectMeta.Annotations {
@@ -326,6 +333,8 @@ func compareDistributionConditionalToActual(conditional string, actual providers
  isMatch = actual.rke2
  case k3s:
  isMatch = actual.k3s
+ case oke:
+ isMatch = actual.oke
  }
 
  switch parts[0] {
@@ -366,6 +375,8 @@ func mustNormalizeDistributionName(raw string) Provider {
  return rke2
  case "k3s":
  return k3s
+ case "oke":
+ return oke
  }
 
  return unknown