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

kubespray/project/roles/kubernetes/control-plane/templates/apiserver-tracing.yaml.j2

@@ -1,4 +1,4 @@
 apiVersion: apiserver.config.k8s.io/v1beta1
 kind: TracingConfiguration
 endpoint: {{ kube_apiserver_tracing_endpoint }}
-samplingRatePerMillion: {{ kube_apiserver_tracing_sampling_rate_per_million }}
+samplingRatePerMillion: {{ kube_apiserver_tracing_sampling_rate_per_million }}

kubespray/project/roles/kubernetes/control-plane/templates/kubeadm-config.v1beta3.yaml.j2

@@ -14,7 +14,7 @@ certificateKey: {{ kubeadm_certificate_key }}
 {% endif %}
 nodeRegistration:
 {% if kube_override_hostname | default('') %}
-  name: {{ kube_override_hostname }}
+  name: "{{ kube_override_hostname }}"
 {% endif %}
 {% if inventory_hostname in groups['kube_control_plane'] and inventory_hostname not in groups['kube_node'] %}
   taints:
@@ -76,17 +76,17 @@ etcd:
 {% endfor %}
     serverCertSANs:
 {% for san in etcd_cert_alt_names %}
-      - {{ san }}
+      - "{{ san }}"
 {% endfor %}
 {% for san in etcd_cert_alt_ips %}
-      - {{ san }}
+      - "{{ san }}"
 {% endfor %}
     peerCertSANs:
 {% for san in etcd_cert_alt_names %}
-      - {{ san }}
+      - "{{ san }}"
 {% endfor %}
 {% for san in etcd_cert_alt_ips %}
-      - {{ san }}
+      - "{{ san }}"
 {% endfor %}
 {% endif %}
 dns:
@@ -294,7 +294,7 @@ apiServer:
 {% endif %}
   certSANs:
 {% for san in apiserver_sans %}
-  - {{ san }}
+  - "{{ san }}"
 {% endfor %}
   timeoutForControlPlane: 5m0s
 controllerManager:
@@ -416,7 +416,7 @@ conntrack:
   tcpEstablishedTimeout: {{ kube_proxy_conntrack_tcp_established_timeout }}
 enableProfiling: {{ kube_proxy_enable_profiling }}
 healthzBindAddress: {{ kube_proxy_healthz_bind_address }}
-hostnameOverride: {{ kube_override_hostname }}
+hostnameOverride: "{{ kube_override_hostname }}"
 iptables:
   masqueradeAll: {{ kube_proxy_masquerade_all }}
   masqueradeBit: {{ kube_proxy_masquerade_bit }}

kubespray/project/roles/kubernetes/control-plane/templates/kubeadm-controlplane.v1beta3.yaml.j2

@@ -1,6 +1,10 @@
 apiVersion: kubeadm.k8s.io/v1beta3
 kind: JoinConfiguration
 discovery:
+{% if kubeadm_use_file_discovery %}
+  file:
+    kubeConfigPath: {{ kube_config_dir }}/cluster-info-discovery-kubeconfig.yaml
+{% else %}
   bootstrapToken:
 {% if kubeadm_config_api_fqdn is defined %}
     apiServerEndpoint: {{ kubeadm_config_api_fqdn }}:{{ loadbalancer_apiserver.port | default(kube_apiserver_port) }}
@@ -9,6 +13,7 @@ discovery:
 {% endif %}
     token: {{ kubeadm_token }}
     unsafeSkipCAVerification: true
+{% endif %}
   timeout: {{ discovery_timeout }}
   tlsBootstrapToken: {{ kubeadm_token }}
 controlPlane: