Switch to Kubernetes v1.16.0 (#5189)

* Switch to Kubernetes v1.16.0

Change-Id: I5d6a9528b2d443750fc5e031aff15ad3ffead158

* Fix download localhost cached file path

Change-Id: I65e79b70e3d1b37265ebc60f41b460cf4b0a0d47

* fix kubeadm etcd for v1.16

Change-Id: I6888a00fd48b530a38b0b31c4095492476af42d2

* disable tf packet jobs

Change-Id: I075c4666547fdea4c50ec04864f38e2cfaa79154

* Disable contiv packet jobs. Fix kube-router

Change-Id: I3170e8789e60711d4cee8faf65f2094480b79b8d

* bump sonobuoy version

Change-Id: Ib946905629c7c53ed88f08fb2f41c454457a0097

roles/kubernetes/kubeadm/tasks/kubeadm_etcd_node.yml

@@ -4,14 +4,7 @@
     {{ bin_dir }}/kubeadm init phase
     --config {{ kube_config_dir }}/kubeadm-config.yaml
     upload-certs
-    {% if kubeadm_version is version('v1.15.0', '<') %}
-    --experimental-upload-certs
-    {% else %}
     --upload-certs
-    {% endif %}
-    {% if kubeadm_certificate_key is defined and kubeadm_version is version('v1.15.0', '<') %}
-    --certificate-key={{ kubeadm_certificate_key }}
-    {% endif %}
   register: kubeadm_upload_cert
   delegate_to: "{{ groups['kube-master'][0] }}"
   when: kubeadm_etcd_refresh_cert_key
@@ -27,14 +20,14 @@
     {{ bin_dir }}/kubeadm join phase
     control-plane-prepare download-certs
     --certificate-key {{ kubeadm_certificate_key }}
-    --experimental-control-plane
+    --control-plane
     --token {{ kubeadm_token }}
     --discovery-token-unsafe-skip-ca-verification
     {{ kubeadm_discovery_address }}
     &&
     {{ bin_dir }}/kubeadm join phase
     control-plane-prepare certs
-    --experimental-control-plane
+    --control-plane
     --token {{ kubeadm_token }}
     --discovery-token-unsafe-skip-ca-verification
     {{ kubeadm_discovery_address }}

roles/kubernetes/kubeadm/tasks/main.yml

@@ -42,7 +42,6 @@
     kubeadm_token: "{{ temp_token.stdout }}"
   when: kubeadm_token is not defined
 
-
 - name: gets the kubeadm version
   command: "{{ bin_dir }}/kubeadm version -o short"
   register: kubeadm_output