Fixup line breaks for kubeadm SANs (#3908)

roles/kubernetes/master/tasks/kubeadm-setup.yml

@@ -57,14 +57,14 @@
       {%- if loadbalancer_apiserver is defined %}
       {{ apiserver_loadbalancer_domain_name }}
       {%- endif %}
-      {%- for host in groups['kube-master'] -%}
-      {%- if hostvars[host]['access_ip'] is defined %}
+      {% for host in groups['kube-master'] -%}
+      {%- if hostvars[host]['access_ip'] is defined -%}
       {{ hostvars[host]['access_ip'] }}
       {%- endif %}
       {{ hostvars[host]['ip'] | default(hostvars[host]['ansible_default_ipv4']['address']) }}
       {%- endfor %}
-      {%- if supplementary_addresses_in_ssl_keys is defined %}
-      {%- for addr in supplementary_addresses_in_ssl_keys %}
+      {%- if supplementary_addresses_in_ssl_keys is defined -%}
+      {% for addr in supplementary_addresses_in_ssl_keys -%}
       {{ addr }}
       {%- endfor %}
       {%- endif %}

roles/kubernetes/master/templates/kubeadm-config.v1alpha1.yaml.j2

@@ -172,7 +172,7 @@ apiServerExtraVolumes:
 {% endif %}
 {% endif %}
 apiServerCertSANs:
-{% for san in  apiserver_sans.split(' ') | unique %}
+{% for san in  apiserver_sans.split() | unique %}
   - {{ san }}
 {% endfor %}
 certificatesDir: {{ kube_cert_dir }}

roles/kubernetes/master/templates/kubeadm-config.v1alpha2.yaml.j2

@@ -190,7 +190,7 @@ schedulerExtraArgs:
 {% endfor %}
 {% endif %}
 apiServerCertSANs:
-{% for san in apiserver_sans.split(' ') | unique %}
+{% for san in apiserver_sans.split() | unique %}
   - {{ san }}
 {% endfor %}
 certificatesDir: {{ kube_cert_dir }}

roles/kubernetes/master/templates/kubeadm-config.v1alpha3.yaml.j2

@@ -43,7 +43,7 @@ controlPlaneEndpoint: {{ kubeadm_config_api_fqdn }}:{{ loadbalancer_apiserver.po
 controlPlaneEndpoint: {{ ip | default(ansible_default_ipv4.address) }}:{{ kube_apiserver_port }}
 {% endif %}
 apiServerCertSANs:
-{% for san in  apiserver_sans.split(' ') | unique %}
+{% for san in apiserver_sans.split() | unique %}
   - {{ san }}
 {% endfor %}
 certificatesDir: {{ kube_cert_dir }}

roles/kubernetes/master/templates/kubeadm-config.v1beta1.yaml.j2

@@ -156,7 +156,7 @@ apiServer:
 {% endfor %}
 {% endif %}
   certSANs:
-{% for san in  apiserver_sans.split(' ') | unique %}
+{% for san in apiserver_sans.split() | unique %}
   - {{ san }}
 {% endfor %}
   timeoutForControlPlane: 5m0s