Fix resolv.conf configuration for Fedora CoreOS. (#6138)

roles/kubernetes/preinstall/handlers/main.yml

@@ -9,18 +9,18 @@
     - Preinstall | restart kube-controller-manager crio/containerd
     - Preinstall | restart kube-apiserver docker
     - Preinstall | restart kube-apiserver crio/containerd
-  when: not ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
+  when: not ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"] and not is_fedora_coreos
 
 - name: Preinstall | update resolvconf for Container Linux by CoreOS and Flatcar
   command: /bin/true
   notify:
     - Preinstall | apply resolvconf cloud-init
     - Preinstall | reload kubelet
-  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
+  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"] or is_fedora_coreos
 
 - name: Preinstall | apply resolvconf cloud-init
   command: /usr/bin/coreos-cloudinit --from-file {{ resolveconf_cloud_init_conf }}
-  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
+  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"] or is_fedora_coreos
 
 - name: Preinstall | reload kubelet
   service:

roles/kubernetes/preinstall/tasks/0040-set_facts.yml

@@ -72,12 +72,12 @@
       {%- if resolvconf|bool -%}/etc/resolvconf/resolv.conf.d/base{%- endif -%}
     head: >-
       {%- if resolvconf|bool -%}/etc/resolvconf/resolv.conf.d/head{%- endif -%}
-  when: not ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
+  when: not ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"] and not is_fedora_coreos
 
 - name: target temporary resolvconf cloud init file (Container Linux by CoreOS)
   set_fact:
     resolvconffile: /tmp/resolveconf_cloud_init_conf
-  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
+  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"] or is_fedora_coreos
 
 - name: check if /etc/dhclient.conf exists
   stat:

roles/kubernetes/preinstall/tasks/0060-resolvconf.yml

 ---
 - name: create temporary resolveconf cloud init file
   command: cp -f /etc/resolv.conf "{{ resolvconffile }}"
-  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
+  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"] or is_fedora_coreos
 
 - name: Add domain/search/nameservers/options to resolv.conf
   blockinfile:
@@ -47,7 +47,7 @@
 - name: get temporary resolveconf cloud init file content
   command: cat {{ resolvconffile }}
   register: cloud_config
-  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
+  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"] or is_fedora_coreos
 
 - name: persist resolvconf cloud init file
   template:
@@ -55,5 +55,5 @@
     src: resolvconf.j2
     owner: root
     mode: 0644
-  notify: Preinstall | update resolvconf for Container Linux by CoreOS
-  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
+  notify: Preinstall | update resolvconf for Container Linux by CoreOS and Flatcar
+  when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"] or is_fedora_coreos