Add bin_dir to PATH environment. (#6764)

roles/kubernetes/master/tasks/kubeadm-upgrade.yml

@@ -25,6 +25,8 @@
   until: kubeadm_upgrade.rc == 0
   when: inventory_hostname == groups['kube-master']|first
   failed_when: kubeadm_upgrade.rc != 0 and "field is immutable" not in kubeadm_upgrade.stderr
+  environment:
+    PATH: "{{ bin_dir }}:{{ ansible_env.PATH }}"
   notify: Master | restart kubelet
 
 - name: kubeadm | Upgrade other masters
@@ -42,6 +44,8 @@
   failed_when:
     - kubeadm_upgrade.rc != 0
     - '"field is immutable" not in kubeadm_upgrade.stderr'
+  environment:
+    PATH: "{{ bin_dir }}:{{ ansible_env.PATH }}"
   notify: Master | restart kubelet
 
 - name: kubeadm | clean kubectl cache to refresh api types