cleaning, add ipvs and fixed some litle bug

tasks/install_server.yml

@@ -24,30 +24,54 @@
   shell: |
     swapoff -a
 
-- name: Remove swapfile from /etc/fstab
+- name: Remove swapfile from /etc/fstab (2/2)
   mount:
     name: swap
     fstype: swap
     state: absent
 
-- name: Ensuring /etc/systemd/system/kubelet.service.d Folder Exists
-  file:
-    path: "/etc/systemd/system/kubelet.service.d"
-    state: "directory"
-    group: root
-    owner: root
-    mode: 0755
-
-- name: Configure kubelet service
+- name: Configuring IPVS kernel module to be load on boot
   template:
-    src: "etc/{{ item }}.j2"
-    dest: "/etc/{{ item }}"
+    src: "etc/modules-load.d/ipvs.conf.j2"
+    dest: "/etc/modules-load.d/ipvs.conf"
     group: root
     owner: root
     mode: 0644
+  when:
+    - kubernetes_kubeproxy_mode == "ipvs"
+
+- name: Load IPVS kernel module
+  modprobe:
+    name: "{{ item }}"
+    state: present
   with_items:
-    - "systemd/system/kubelet.service.d/0-containerd.conf"
-    - "sysconfig/kubelet"
+    - ip_vs
+    - ip_vs_rr
+    - ip_vs_wrr
+    - ip_vs_sh
+    - nf_conntrack_ipv4
+    - nf_conntrack_ipv6
+  when:
+    - kubernetes_kubeproxy_mode == "ipvs"
+
+#- name: Ensuring /etc/systemd/system/kubelet.service.d Folder Exists
+#  file:
+#    path: "/etc/systemd/system/kubelet.service.d"
+#    state: "directory"
+#    group: root
+#    owner: root
+#    mode: 0755
+#
+#- name: Configure kubelet service
+#  template:
+#    src: "etc/{{ item }}.j2"
+#    dest: "/etc/{{ item }}"
+#    group: root
+#    owner: root
+#    mode: 0644
+#  with_items:
+#    - "systemd/system/kubelet.service.d/0-containerd.conf"
+#    - "sysconfig/kubelet"
 
 - name: Enable kubelet on boot
   service:
@@ -179,12 +203,13 @@
     - server_enrolled.rc == 1
 
 - name: Check if a node is still tainted
-  command: kubectl get nodes '{{ ansible_host }}' -o jsonpath='{.spec.taints}'
+  command: kubectl --kubeconfig=/etc/kubernetes/admin.conf get nodes '{{ ansible_host | lower }}' -o jsonpath='{.spec.taints}'
   when: kubernetes_master_taint
   register: current_taint
 
 - name: taint the machine if needed
-  command: kubectl taint nodes --all node-role.kubernetes.io/master-
+#  command: kubectl --kubeconfig=/etc/kubernetes/admin.conf taint nodes --all node-role.kubernetes.io/master-
+  command: kubectl --kubeconfig=/etc/kubernetes/admin.conf taint nodes '{{ ansible_host | lower }}' node-role.kubernetes.io/master-
   when: kubernetes_master_taint == true and current_taint.stdout
       
 #