ansible-lint: add spaces around variables [E206] (#4699)

roles/kubernetes/node/tasks/azure-credential-check.yml

@@ -56,7 +56,7 @@
 
 - name: check azure_loadbalancer_sku value
   fail:
-    msg: "azure_loadbalancer_sku has an invalid value '{{azure_loadbalancer_sku}}'. Supported values are 'basic', 'standard'"
+    msg: "azure_loadbalancer_sku has an invalid value '{{ azure_loadbalancer_sku }}'. Supported values are 'basic', 'standard'"
   when: azure_loadbalancer_sku not in ["basic", "standard"]
 
 - name: "check azure_exclude_master_from_standard_lb is a bool"

roles/kubernetes/node/tasks/main.yml

@@ -65,7 +65,7 @@
 - name: Verify if br_netfilter module exists
   shell: "modinfo br_netfilter"
   environment:
-    PATH: "{{ ansible_env.PATH}}:/sbin"  # Make sure we can workaround RH's conservative path management
+    PATH: "{{ ansible_env.PATH }}:/sbin"  # Make sure we can workaround RH's conservative path management
   register: modinfo_br_netfilter
   failed_when: modinfo_br_netfilter.rc not in [0, 1]
   changed_when: false

roles/kubernetes/node/templates/kubelet.host.service.j2

@@ -6,7 +6,7 @@ Wants=docker.socket
 
 [Service]
 User=root
-EnvironmentFile=-{{kube_config_dir}}/kubelet.env
+EnvironmentFile=-{{ kube_config_dir }}/kubelet.env
 ExecStartPre=-/bin/mkdir -p {{ kubelet_flexvolumes_plugins_dir }}
 ExecStart={{ bin_dir }}/kubelet \
 		$KUBE_LOGTOSTDERR \