Yamllint fixes (#4410)

* Lint everything in the repository with yamllint

* yamllint fixes: syntax fixes only

* yamllint fixes: move comments to play names

* yamllint fixes: indent comments in .gitlab-ci.yml file

inventory/sample/group_vars/k8s-cluster/addons.yml

@@ -1,3 +1,4 @@
+---
 # Kubernetes dashboard
 # RBAC required. see docs/getting-started.md for access details.
 dashboard_enabled: true

inventory/sample/group_vars/k8s-cluster/k8s-cluster.yml

@@ -1,3 +1,4 @@
+---
 # Kubernetes configuration dirs and system namespace.
 # Those are where all the additional config stuff goes
 # the kubernetes normally puts in /srv/kubernetes.
@@ -51,9 +52,9 @@ kube_users:
       - system:masters
 
 ## It is possible to activate / deactivate selected authentication methods (basic auth, static token auth)
-#kube_oidc_auth: false
-#kube_basic_auth: false
-#kube_token_auth: false
+# kube_oidc_auth: false
+# kube_basic_auth: false
+# kube_token_auth: false
 
 
 ## Variables for OpenID Connect Configuration https://kubernetes.io/docs/admin/authentication/
@@ -91,10 +92,10 @@ kube_network_node_prefix: 24
 
 # The port the API Server will be listening on.
 kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}"
-kube_apiserver_port: 6443 # (https)
-#kube_apiserver_insecure_port: 8080 # (http)
+kube_apiserver_port: 6443  # (https)
+# kube_apiserver_insecure_port: 8080  # (http)
 # Set to 0 to disable insecure port - Requires RBAC in authorization_modes and kube_api_anonymous_auth: true
-kube_apiserver_insecure_port: 0 # (disabled)
+kube_apiserver_insecure_port: 0  # (disabled)
 
 # Kube-proxy proxyMode configuration.
 # Can be ipvs, iptables
@@ -112,11 +113,11 @@ kube_proxy_nodeport_addresses: >-
   {%- endif -%}
 
 # If non-empty, will use this string as identification instead of the actual hostname
-#kube_override_hostname: >-
-#  {%- if cloud_provider is defined and cloud_provider in [ 'aws' ] -%}
-#  {%- else -%}
-#  {{ inventory_hostname }}
-#  {%- endif -%}
+# kube_override_hostname: >-
+#   {%- if cloud_provider is defined and cloud_provider in [ 'aws' ] -%}
+#   {%- else -%}
+#   {{ inventory_hostname }}
+#   {%- endif -%}
 
 ## Encrypting Secret Data at Rest (experimental)
 kube_encrypt_secret_data: false
@@ -129,7 +130,7 @@ ndots: 2
 # Can be dnsmasq_kubedns, kubedns, coredns, coredns_dual, manual or none
 dns_mode: coredns
 # Set manual server if using a custom cluster DNS server
-#manual_dns_server: 10.x.x.x
+# manual_dns_server: 10.x.x.x
 # Enable nodelocal dns cache
 enable_nodelocaldns: False
 nodelocaldns_ip: 169.254.25.10
@@ -163,7 +164,7 @@ kubernetes_audit: false
 dynamic_kubelet_configuration: false
 
 # define kubelet config dir for dynamic kubelet
-#kubelet_config_dir:
+# kubelet_config_dir:
 default_kubelet_config_dir: "{{ kube_config_dir }}/dynamic_kubelet_dir"
 dynamic_kubelet_configuration_dir: "{{ kubelet_config_dir | default(default_kubelet_config_dir) }}"
 
@@ -177,8 +178,8 @@ podsecuritypolicy_enabled: false
 
 # dnsmasq
 # dnsmasq_upstream_dns_servers:
-#  - /resolvethiszone.with/10.0.4.250
-#  - 8.8.8.8
+#   - /resolvethiszone.with/10.0.4.250
+#   - 8.8.8.8
 
 #  Enable creation of QoS cgroup hierarchy, if true top level QoS and pod cgroups are created. (default true)
 # kubelet_cgroups_per_qos: true

inventory/sample/group_vars/k8s-cluster/k8s-net-calico.yml

@@ -3,7 +3,7 @@
 ## With calico it is possible to distributed routes with border routers of the datacenter.
 ## Warning : enabling router peering will disable calico's default behavior ('node mesh').
 ## The subnets of each nodes will be distributed by the datacenter router
-#peer_with_router: false
+# peer_with_router: false
 
 # Enables Internet connectivity from containers
 # nat_outgoing: true

inventory/sample/group_vars/k8s-cluster/k8s-net-canal.yml

@@ -8,4 +8,3 @@
 # Whether or not to masquerade traffic to destinations not within
 # the pod network.
 # canal_masquerade: "true"
-

inventory/sample/group_vars/k8s-cluster/k8s-net-contiv.yml

@@ -6,9 +6,9 @@
 ## With contiv, L3 BGP mode is possible by setting contiv_fwd_mode to "routing".
 ## In this case, you may need to peer with an uplink
 ## NB: The hostvars must contain a key "contiv" of which value is a dict containing "router_ip", "as"(defaults to contiv_global_as), "neighbor_as" (defaults to contiv_global_neighbor_as), "neighbor"
-#contiv_peer_with_uplink_leaf: false
-#contiv_global_as: "65002"
-#contiv_global_neighbor_as: "500"
+# contiv_peer_with_uplink_leaf: false
+# contiv_global_as: "65002"
+# contiv_global_neighbor_as: "500"
 
 # Fabric mode: aci, aci-opflex or default
 # contiv_fabric_mode: default