diff --git a/roles/download/defaults/main.yml b/roles/download/defaults/main.yml
index 334953b21..29ddf1d42 100644
--- a/roles/download/defaults/main.yml
+++ b/roles/download/defaults/main.yml
@@ -21,26 +21,26 @@ kubeadm_images: {}
 # if this is set to true will only download files once. Doesn't work
 # on Container Linux by CoreOS unless the download_localhost is true and localhost
 # is running another OS type. Default compress level is 1 (fastest).
-download_run_once: False
+download_run_once: false
 download_compress: 1
 
 # if this is set to true will download container
-download_container: True
+download_container: true
 
 # if this is set to true, uses the localhost for download_run_once mode
 # (requires docker and sudo to access docker). You may want this option for
 # local caching of docker images or for Container Linux by CoreOS cluster nodes.
 # Otherwise, uses the first node in the kube-master group to store images
 # in the download_run_once mode.
-download_localhost: False
+download_localhost: false
 
 # Always pull images if set to True. Otherwise check by the repo's tag/digest.
-download_always_pull: False
+download_always_pull: false
 
 # Some problems may occur when downloading files over https proxy due to ansible bug
 # https://github.com/ansible/ansible/issues/32750. Set this variable to False to disable
 # SSL validation of get_url module. Note that kubespray will still be performing checksum validation.
-download_validate_certs: True
+download_validate_certs: true
 
 # Use the first kube-master if download_localhost is not set
 download_delegate: "{% if download_localhost %}localhost{% else %}{{ groups['kube-master'][0] }}{% endif %}"
@@ -528,7 +528,7 @@ downloads:
     tag: "{{ netcheck_server_image_tag }}"
     sha256: "{{ netcheck_server_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   netcheck_agent:
     enabled: "{{ deploy_netchecker }}"
@@ -537,7 +537,7 @@ downloads:
     tag: "{{ netcheck_agent_image_tag }}"
     sha256: "{{ netcheck_agent_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   etcd:
     container: "{{ etcd_deployment_type != 'host' }}"
@@ -548,14 +548,14 @@ downloads:
     repo: "{{ etcd_image_repo }}"
     tag: "{{ etcd_image_tag }}"
     sha256: >-
-     {{ etcd_binary_checksum if (etcd_deployment_type == 'host')
-     else etcd_digest_checksum|d(None) }}
+      {{ etcd_binary_checksum if (etcd_deployment_type == 'host')
+      else etcd_digest_checksum|d(None) }}
     url: "{{ etcd_download_url }}"
     unarchive: "{{ etcd_deployment_type == 'host' }}"
     owner: "root"
     mode: "0755"
     groups:
-      - etcd
+    - etcd
 
   cni:
     enabled: true
@@ -568,7 +568,7 @@ downloads:
     owner: "root"
     mode: "0755"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   kubeadm:
     enabled: true
@@ -581,7 +581,7 @@ downloads:
     owner: "root"
     mode: "0755"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   kubelet:
     enabled: true
@@ -594,7 +594,7 @@ downloads:
     owner: "root"
     mode: "0755"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   kubectl:
     enabled: true
@@ -607,7 +607,7 @@ downloads:
     owner: "root"
     mode: "0755"
     groups:
-      - kube-master
+    - kube-master
 
   crictl:
     file: true
@@ -620,7 +620,7 @@ downloads:
     owner: "root"
     mode: "0755"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   cilium:
     enabled: "{{ kube_network_plugin == 'cilium' }}"
@@ -629,7 +629,7 @@ downloads:
     tag: "{{ cilium_image_tag }}"
     sha256: "{{ cilium_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   cilium_init:
     enabled: "{{ kube_network_plugin == 'cilium' }}"
@@ -638,7 +638,7 @@ downloads:
     tag: "{{ cilium_init_image_tag }}"
     sha256: "{{ cilium_init_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   cilium_operator:
     enabled: "{{ kube_network_plugin == 'cilium' }}"
@@ -647,7 +647,7 @@ downloads:
     tag: "{{ cilium_operator_image_tag }}"
     sha256: "{{ cilium_operator_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   multus:
     enabled: "{{ kube_network_plugin_multus }}"
@@ -656,7 +656,7 @@ downloads:
     tag: "{{ multus_image_tag }}"
     sha256: "{{ multus_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   flannel:
     enabled: "{{ kube_network_plugin == 'flannel' or kube_network_plugin == 'canal' }}"
@@ -665,7 +665,7 @@ downloads:
     tag: "{{ flannel_image_tag }}"
     sha256: "{{ flannel_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   calicoctl:
     enabled: "{{ kube_network_plugin == 'calico' or kube_network_plugin == 'canal' }}"
@@ -678,7 +678,7 @@ downloads:
     owner: "root"
     mode: "0755"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   calico_node:
     enabled: "{{ kube_network_plugin == 'calico' or kube_network_plugin == 'canal' }}"
@@ -687,7 +687,7 @@ downloads:
     tag: "{{ calico_node_image_tag }}"
     sha256: "{{ calico_node_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   calico_cni:
     enabled: "{{ kube_network_plugin == 'calico' or kube_network_plugin == 'canal' }}"
@@ -696,7 +696,7 @@ downloads:
     tag: "{{ calico_cni_image_tag }}"
     sha256: "{{ calico_cni_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   calico_policy:
     enabled: "{{ enable_network_policy or kube_network_plugin == 'canal' }}"
@@ -705,7 +705,7 @@ downloads:
     tag: "{{ calico_policy_image_tag }}"
     sha256: "{{ calico_policy_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   calico_typha:
     enabled: "{{ typha_enabled }}"
@@ -714,7 +714,7 @@ downloads:
     tag: "{{ calico_typha_image_tag }}"
     sha256: "{{ calico_typha_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   weave_kube:
     enabled: "{{ kube_network_plugin == 'weave' }}"
@@ -723,7 +723,7 @@ downloads:
     tag: "{{ weave_kube_image_tag }}"
     sha256: "{{ weave_kube_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   weave_npc:
     enabled: "{{ kube_network_plugin == 'weave' }}"
@@ -732,7 +732,7 @@ downloads:
     tag: "{{ weave_npc_image_tag }}"
     sha256: "{{ weave_npc_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   contiv:
     enabled: "{{ kube_network_plugin == 'contiv' }}"
@@ -741,7 +741,7 @@ downloads:
     tag: "{{ contiv_image_tag }}"
     sha256: "{{ contiv_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   contiv_auth_proxy:
     enabled: "{{ kube_network_plugin == 'contiv' }}"
@@ -750,7 +750,7 @@ downloads:
     tag: "{{ contiv_auth_proxy_image_tag }}"
     sha256: "{{ contiv_auth_proxy_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   contiv_etcd_init:
     enabled: "{{ kube_network_plugin == 'contiv' }}"
@@ -759,7 +759,7 @@ downloads:
     tag: "{{ contiv_etcd_init_image_tag }}"
     sha256: "{{ contiv_etcd_init_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   kube_ovn:
     enabled: "{{ kube_network_plugin == 'kube-ovn' }}"
@@ -768,7 +768,7 @@ downloads:
     tag: "{{ kube_ovn_container_image_tag }}"
     sha256: "{{ kube_ovn_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   kube_router:
     enabled: "{{ kube_network_plugin == 'kube-router' }}"
@@ -777,7 +777,7 @@ downloads:
     tag: "{{ kube_router_image_tag }}"
     sha256: "{{ kube_router_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   pod_infra:
     enabled: true
@@ -786,7 +786,7 @@ downloads:
     tag: "{{ pod_infra_image_tag }}"
     sha256: "{{ pod_infra_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   install_socat:
     enabled: "{{ ansible_os_family in ['CoreOS', 'Container Linux by CoreOS', 'Flatcar', 'Flatcar Container Linux by Kinvolk'] }}"
@@ -795,7 +795,7 @@ downloads:
     tag: "{{ install_socat_image_tag }}"
     sha256: "{{ install_socat_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   nginx:
     enabled: "{{ loadbalancer_apiserver_localhost and loadbalancer_apiserver_type == 'nginx' }}"
@@ -804,7 +804,7 @@ downloads:
     tag: "{{ nginx_image_tag }}"
     sha256: "{{ nginx_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   haproxy:
     enabled: "{{ loadbalancer_apiserver_localhost and loadbalancer_apiserver_type == 'haproxy' }}"
@@ -813,7 +813,7 @@ downloads:
     tag: "{{ haproxy_image_tag }}"
     sha256: "{{ haproxy_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   coredns:
     enabled: "{{ dns_mode in ['coredns', 'coredns_dual'] }}"
@@ -822,7 +822,7 @@ downloads:
     tag: "{{ coredns_image_tag }}"
     sha256: "{{ coredns_digest_checksum|default(None) }}"
     groups:
-      - kube-master
+    - kube-master
 
   nodelocaldns:
     enabled: "{{ enable_nodelocaldns }}"
@@ -831,7 +831,7 @@ downloads:
     tag: "{{ nodelocaldns_image_tag }}"
     sha256: "{{ nodelocaldns_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   dnsautoscaler:
     enabled: "{{ dns_mode in ['coredns', 'coredns_dual'] }}"
@@ -840,7 +840,7 @@ downloads:
     tag: "{{ dnsautoscaler_image_tag }}"
     sha256: "{{ dnsautoscaler_digest_checksum|default(None) }}"
     groups:
-      - kube-master
+    - kube-master
 
   busybox:
     enabled: "{{ kube_network_plugin in ['kube-router'] }}"
@@ -849,7 +849,7 @@ downloads:
     tag: "{{ busybox_image_tag }}"
     sha256: "{{ busybox_digest_checksum|default(None) }}"
     groups:
-      - k8s-cluster
+    - k8s-cluster
 
   testbox:
     enabled: false
@@ -865,7 +865,7 @@ downloads:
     tag: "{{ helm_image_tag }}"
     sha256: "{{ helm_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   tiller:
     enabled: "{{ helm_enabled and helm_version is version('v3.0.0', '<') }}"
@@ -874,7 +874,7 @@ downloads:
     tag: "{{ tiller_image_tag }}"
     sha256: "{{ tiller_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   registry:
     enabled: "{{ registry_enabled }}"
@@ -883,7 +883,7 @@ downloads:
     tag: "{{ registry_image_tag }}"
     sha256: "{{ registry_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   registry_proxy:
     enabled: "{{ registry_enabled }}"
@@ -892,7 +892,7 @@ downloads:
     tag: "{{ registry_proxy_image_tag }}"
     sha256: "{{ registry_proxy_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   metrics_server:
     enabled: "{{ metrics_server_enabled }}"
@@ -901,7 +901,7 @@ downloads:
     tag: "{{ metrics_server_image_tag }}"
     sha256: "{{ metrics_server_digest_checksum|default(None) }}"
     groups:
-      - kube-master
+    - kube-master
 
   addon_resizer:
     # Currently addon_resizer is only used by metrics server
@@ -911,7 +911,7 @@ downloads:
     tag: "{{ addon_resizer_image_tag }}"
     sha256: "{{ addon_resizer_digest_checksum|default(None) }}"
     groups:
-      - kube-master
+    - kube-master
 
   local_volume_provisioner:
     enabled: "{{ local_volume_provisioner_enabled }}"
@@ -920,7 +920,7 @@ downloads:
     tag: "{{ local_volume_provisioner_image_tag }}"
     sha256: "{{ local_volume_provisioner_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   cephfs_provisioner:
     enabled: "{{ cephfs_provisioner_enabled }}"
@@ -929,7 +929,7 @@ downloads:
     tag: "{{ cephfs_provisioner_image_tag }}"
     sha256: "{{ cephfs_provisioner_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   rbd_provisioner:
     enabled: "{{ rbd_provisioner_enabled }}"
@@ -938,7 +938,7 @@ downloads:
     tag: "{{ rbd_provisioner_image_tag }}"
     sha256: "{{ rbd_provisioner_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   local_path_provisioner:
     enabled: "{{ local_path_provisioner_enabled }}"
@@ -947,7 +947,7 @@ downloads:
     tag: "{{ local_path_provisioner_image_tag }}"
     sha256: "{{ local_path_provisioner_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   ingress_nginx_controller:
     enabled: "{{ ingress_nginx_enabled }}"
@@ -956,7 +956,7 @@ downloads:
     tag: "{{ ingress_nginx_controller_image_tag }}"
     sha256: "{{ ingress_nginx_controller_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   ingress_alb_controller:
     enabled: "{{ ingress_alb_enabled }}"
@@ -965,7 +965,7 @@ downloads:
     tag: "{{ alb_ingress_image_tag }}"
     sha256: "{{ ingress_alb_controller_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   cert_manager_controller:
     enabled: "{{ cert_manager_enabled }}"
@@ -974,7 +974,7 @@ downloads:
     tag: "{{ cert_manager_controller_image_tag }}"
     sha256: "{{ cert_manager_controller_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   csi_attacher:
     enabled: "{{ cinder_csi_enabled or aws_ebs_csi_enabled }}"
@@ -983,7 +983,7 @@ downloads:
     tag: "{{ csi_attacher_image_tag }}"
     sha256: "{{ csi_attacher_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   csi_provisioner:
     enabled: "{{ cinder_csi_enabled or aws_ebs_csi_enabled }}"
@@ -992,7 +992,7 @@ downloads:
     tag: "{{ csi_provisioner_image_tag }}"
     sha256: "{{ csi_provisioner_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   csi_snapshotter:
     enabled: "{{ cinder_csi_enabled or aws_ebs_csi_enabled }}"
@@ -1001,7 +1001,7 @@ downloads:
     tag: "{{ csi_snapshotter_image_tag }}"
     sha256: "{{ csi_snapshotter_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   csi_resizer:
     enabled: "{{ cinder_csi_enabled or aws_ebs_csi_enabled }}"
@@ -1010,7 +1010,7 @@ downloads:
     tag: "{{ csi_resizer_image_tag }}"
     sha256: "{{ csi_resizer_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   csi_node_driver_registrar:
     enabled: "{{ cinder_csi_enabled or aws_ebs_csi_enabled }}"
@@ -1019,7 +1019,7 @@ downloads:
     tag: "{{ csi_node_driver_registrar_image_tag }}"
     sha256: "{{ csi_node_driver_registrar_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   cinder_csi_plugin:
     enabled: "{{ cinder_csi_enabled }}"
@@ -1028,7 +1028,7 @@ downloads:
     tag: "{{ cinder_csi_plugin_image_tag }}"
     sha256: "{{ cinder_csi_plugin_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   aws_ebs_csi_plugin:
     enabled: "{{ aws_ebs_csi_enabled }}"
@@ -1037,7 +1037,7 @@ downloads:
     tag: "{{ aws_ebs_csi_plugin_image_tag }}"
     sha256: "{{ aws_ebs_csi_plugin_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+    - kube-node
 
   dashboard:
     enabled: "{{ dashboard_enabled }}"
@@ -1046,7 +1046,7 @@ downloads:
     tag: "{{ dashboard_image_tag }}"
     sha256: "{{ dashboard_digest_checksum|default(None) }}"
     groups:
-      - kube-master
+    - kube-master
 
   dashboard_metrics_scrapper:
     enabled: "{{ dashboard_enabled }}"
@@ -1055,7 +1055,7 @@ downloads:
     tag: "{{ dashboard_metrics_scraper_tag }}"
     sha256: "{{ dashboard_digest_checksum|default(None) }}"
     groups:
-      - kube-master
+    - kube-master
 
 download_defaults:
   container: false