bug: `nil pointer dereference` when `etcd` statefulset isn't up

[waveywaves]

2023-11-03T13:31:50Z    INFO    Loft Helm Repo for UffizziCluster created       {"controller": "uffizzicluster", "controllerGroup": "uffizzi.com", "controllerKi
nd": "UffizziCluster", "UffizziCluster": {"name":"k8s-1-27-6745777561-1","namespace":"cluster-142"}, "namespace": "cluster-142", "name": "k8s-1-27-6745777561-1"
, "reconcileID": "4c262724-373f-4f27-9e58-018e8ed2ba16", "NamespacedName": {"namespace": "cluster-142", "name": "k8s-1-27-6745777561-1"}}
2023-11-03T13:31:50Z    INFO    UffizziCluster lastAppliedConfig has been set   {"controller": "uffizzicluster", "controllerGroup": "uffizzi.com", "controllerKi
nd": "UffizziCluster", "UffizziCluster": {"name":"k8s-1-27-6745777561-1","namespace":"cluster-142"}, "namespace": "cluster-142", "name": "k8s-1-27-6745777561-1"
, "reconcileID": "4c262724-373f-4f27-9e58-018e8ed2ba16"}
E1103 13:31:51.041955       1 runtime.go:79] Observed a panic: "invalid memory address or nil pointer dereference" (runtime error: invalid memory address or nil
 pointer dereference)
goroutine 125 [running]:
k8s.io/apimachinery/pkg/util/runtime.logPanic({0x15acea0?, 0x2508340})
        /go/pkg/mod/k8s.io/apimachinery@v0.26.3/pkg/util/runtime/runtime.go:75 +0x99
k8s.io/apimachinery/pkg/util/runtime.HandleCrash({0x0, 0x0, 0xc000ea2bc8?})
        /go/pkg/mod/k8s.io/apimachinery@v0.26.3/pkg/util/runtime/runtime.go:49 +0x75
panic({0x15acea0, 0x2508340})
        /usr/local/go/src/runtime/panic.go:884 +0x212
github.com/UffizziCloud/uffizzi-cluster-operator/controllers/uffizzicluster.(*UffizziClusterReconciler).waitForStatefulSetToScale.func1()
        /workspace/controllers/uffizzicluster/statefulset.go:52 +0x43
k8s.io/apimachinery/pkg/util/wait.ConditionFunc.WithContext.func1({0x18, 0xc000068800})
        /go/pkg/mod/k8s.io/apimachinery@v0.26.3/pkg/util/wait/wait.go:222 +0x1b
k8s.io/apimachinery/pkg/util/wait.runConditionWithCrashProtectionWithContext({0x19e2108?, 0xc000126000?}, 0xc000ea2e20?)
        /go/pkg/mod/k8s.io/apimachinery@v0.26.3/pkg/util/wait/wait.go:235 +0x57
k8s.io/apimachinery/pkg/util/wait.poll({0x19e2108, 0xc000126000}, 0x60?, 0x10242e5?, 0x28?)
        /go/pkg/mod/k8s.io/apimachinery@v0.26.3/pkg/util/wait/wait.go:582 +0x38
k8s.io/apimachinery/pkg/util/wait.PollImmediateWithContext({0x19e2108, 0xc000126000}, 0xc000d49125?, 0xc000ea2eb0?, 0x40da67?)
        /go/pkg/mod/k8s.io/apimachinery@v0.26.3/pkg/util/wait/wait.go:528 +0x4a
k8s.io/apimachinery/pkg/util/wait.PollImmediate(0xc000d49107?, 0x7?, 0xc000cee240?)
        /go/pkg/mod/k8s.io/apimachinery@v0.26.3/pkg/util/wait/wait.go:514 +0x50
github.com/UffizziCloud/uffizzi-cluster-operator/controllers/uffizzicluster.(*UffizziClusterReconciler).waitForStatefulSetToScale(0xc0000c9b30, {0x19e2178?, 0xc000b1e810}, 0x1, 0x0)