Make some work

defaults/main.yml

@@ -1,3 +1,4 @@
 ---
 kubernetes_cri: "containerd"
 kubernetes_server: false
+kubernetes_version: 1.15.0

tasks/RedHat.yml

@@ -28,16 +28,22 @@
     owner: root
     mode: 0644
   register: need_firewalld_reload
+  when:
+    - kubernetes_server == true
 
 #- name: Reload firewalld configuration
 #  service:
 #    name: firewalld
 #    state: reloaded
 #    enabled: yes
+#  when:
+#    - kubernetes_server == true
+
 - name: reload firewalld to refresh service list
   command: firewall-cmd --reload
   when:
     - need_firewalld_reload is changed
+    - kubernetes_server == true
 
 # Définir interface
 #- name: Open Firewalld
@@ -49,3 +55,4 @@
 #  when:
 #    - need_firewall == true
 #    - firewall_name == "firewalld"
+#    - kubernetes_server == true

tasks/install_server.yml

@@ -39,33 +39,15 @@
     - "sysconfig/kubelet"
 
 - name: Enable kubelet on boot
-  service: name=kubelet state=started enabled=yes
-
-- stat: path=/etc/kubernetes/admin.conf
-  register: st
-  changed_when: False
-
-- name: Create KubernetesMasterConfigured group
-  group_by: key=KubernetesMasterConfigured
-  when:
-    - st.stat.exists
-
-- include_tasks: "init_cluster.yml"
-  when:
-    - groups['KubernetesMasterConfigured'] is not defined
-    - groups['KubernetesMasters'][0] == ansible_hostname
+  service:
+    name: kubelet
+    state: started
+    enabled: yes
 
 # Install API loadbalancer
 - include_tasks: "load_balancer.yml"
   when:
-    - kubernetes_master is true
-    - groups['KubernetesMaster'] | length > 1
-
-# Prepare first master for extend procedure
-- include_tasks: "prepare_first_master.yml"
-  when:
-    - groups['KubernetesMasterConfigured'][0] == ansible_hostname
-    - groups['KubernetesMasterConfigured'] | length == 1 # to be tested (potential syntax error)
+    - kubernetes_master == true
     - groups['KubernetesMaster'] | length > 1
 
 - stat: path=/etc/kubernetes/admin.conf
@@ -77,21 +59,54 @@
   when:
     - st.stat.exists
 
+- name: Retreive kubeadm Major version
+  shell: kubeadm version | sed 's/.*{Major:"\([0-9]\)".*/\1/'
+  register: kubeadm_version_major
+
+- name: Retreive kubeadm Minor version
+  shell: kubeadm version | sed -e 's/.* Minor:"\([0-9]*\)".*/\1/'
+  register: kubeadm_version_minor
+
+- name: Deploy kubeadm config
+  template:
+    src: kubeadmin-config.yaml.j2
+    dest: /root/kubeadmin-config.yaml
+    owner: root
+    group: root
+    mode: 600
+  when:
+    - groups['KubernetesMasterConfigured'] is not defined
+    - groups['KubernetesMasters'][0] == ansible_hostname
+    - kubeadm_version_major.rc == 1
+    - kubeadm_version_minor.rc > 15
+
+- name: Init Kubernetes on {{ groups['KubernetesMasters'][0] }}
+  command: kubeadm init --config=kubeadm-config.yaml --upload-certs --apiserver-advertise-address={{ ansible_host }} --ignore-preflight-errors=SystemVerification
+  when:
+    - groups['KubernetesMasterConfigured'] is not defined
+    - groups['KubernetesMasters'][0] == ansible_hostname
+    - kubeadm_version_major.rc == 1
+    - kubeadm_version_minor.rc > 15
+
+- name: Create KubernetesMasterConfigured group
+  group_by: key=KubernetesMasterConfigured
+  when:
+    - groups['KubernetesMasterConfigured'] is not defined
+    - groups['KubernetesMasters'][0] == ansible_hostname
+
 - name: Extend Master services on unconfigured hosts
   include_tasks: "add_master.yml"
   when:
     - groups['KubernetesMaster'] | length > 1
 
-#- name: Check if a node is still tainted
-#  command: kubectl get nodes '{{ ansible_host }}' -o jsonpath='{.spec.taints}'
-#  when: taint_master
-#  register: current_taint
-#  tags: taint
-#
-#- name: taint the machine if needed
-#  command: kubectl taint nodes --all node-role.kubernetes.io/master-
-#  when: taint_master == true  and current_taint.stdout
-#  tags: taint
+- name: Check if a node is still tainted
+  command: kubectl get nodes '{{ ansible_host }}' -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-
+  when: kubernetes_master_taint == true  and current_taint.stdout
       
 #
 # At this point, we have a kubernetes up and running, but ready for it

tasks/main.yml

@@ -2,35 +2,47 @@
 - name: Include vars for {{ ansible_os_family }}
   include_vars: "{{ ansible_os_family }}.yml"
 
+- set_fact:
+    kubernetes_server: true
+    kubernetes_master: true
+    kubernetes_master_taint: false
+  when:
+    - "'KubernetesMasters' in group_names"
+    - "'KubernetesNodes' not in group_names"
+
+- set_fact:
+    kubernetes_server: true
+    kubernetes_master: false
+    kubernetes_master_taint: false
+  when:
+    - "'KubernetesNodes' in group_names"
+    - "'KubernetesMasters' not in group_names"
+
+- set_fact:
+    kubernetes_server: true
+    kubernetes_master: true
+    kubernetes_master_taint: true
+  when:
+    - "'KubernetesNodes' in group_names"
+    - "'KubernetesMasters' in group_names"
+
+- set_fact:
+    krubernetes_sever: false
+  when:
+    - "'KubernetesMasters' not in group_names"
+    - "'KubernetesNodes' not in group_names"
+
 - name: Install kubernetes rules for {{ ansible_os_family }} OS family
   include_tasks: "{{ ansible_os_family }}.yml"
 
 - name: Install kubernetes tools
   package: name="{{ kubernetes_package_name }}" state=latest update_cache=yes
-  notify: Restart kubelet
-
-- set_fact:
-    kubernetes_server: true
-    kubernetes_master: true
-  when:
-    - "'KubernetesMasters' in group_names"
-
-- set_fact:
-    kubernetes_server: true
-    kubernetes_master: false
-  when:
-    - "'KubernetesMasters' in group_names"
-
-- set_fact:
-    kubernetes_server: false
-  when:
-    - "'KubernetesMasters' not in group_names"
-    - "'KubernetesNodes' not in group_names"
+#  notify: Restart kubelet
 
 - name: Include kubernetes server rules
   include_tasks: "install_server.yml"
   when:
-    - kubernetes_server is true
+    - kubernetes_server == true
 
 #- name: Install python library for docker
 #  package: name="{{ python_openshift_lib }}" state=latest update_cache=yes