Filter undefined SANs for apiserver cert (#4913)

Change-Id: I37442fb095fb4217f67f74744ad07c1d5d8229ea
5 years ago · d270678bda
1 changed files with 1 additions and 1 deletions
--- a/roles/kubernetes/master/tasks/kubeadm-setup.yml
+++ b/roles/kubernetes/master/tasks/kubeadm-setup.yml
@ -55,7 +55,7 @@

 - name: kubeadm | aggregate all SANs
  set_fact:
-    apiserver_sans: "{{ (sans_base + groups['kube-master'] + sans_lb + sans_lb_ip + sans_supp + sans_access_ip + sans_ip + sans_address + sans_override) | unique }}"
+    apiserver_sans: "{{ (sans_base + groups['kube-master'] + sans_lb + sans_lb_ip + sans_supp + sans_access_ip + sans_ip + sans_address + sans_override) | select('defined') |unique }}"
  vars:
    sans_base:
      - "kubernetes"