update to latest 2.26.0 kubespray version and add dns zones settings to coredns

kubespray/project/roles/container-engine/docker/templates/docker.service.j2

@@ -1,19 +1,11 @@
 [Unit]
 Description=Docker Application Container Engine
 Documentation=http://docs.docker.com
-{% if ansible_os_family == "RedHat" %}
-After=network.target {{ ' docker-storage-setup.service' if docker_container_storage_setup else '' }} containerd.service
+After=network.target docker.socket containerd.service lvm2-monitor.service SuSEfirewall2.service
+{% if ansible_os_family != "Suse" %}
 BindsTo=containerd.service
-{{ 'Wants=docker-storage-setup.service' if docker_container_storage_setup else '' }}
-{% elif ansible_os_family == "Debian" %}
-After=network.target docker.socket containerd.service
-BindsTo=containerd.service
-Wants=docker.socket
-{% elif ansible_os_family == "Suse" %}
-After=network.target lvm2-monitor.service SuSEfirewall2.service
-# After=network.target containerd.service
-# BindsTo=containerd.service
 {% endif %}
+Wants=docker.socket
 
 [Service]
 Type=notify
@@ -31,9 +23,7 @@ ExecStart={{ docker_bin_dir }}/dockerd \
           $DOCKER_OPTS \
           $DOCKER_STORAGE_OPTIONS \
           $DOCKER_DNS_OPTIONS
-{% if not is_ostree and systemd_version.stdout|int >= 226 %}
 TasksMax=infinity
-{% endif %}
 LimitNOFILE=1048576
 LimitNPROC=1048576
 LimitCORE=infinity