Do not use ‘yes/no’ for boolean values (#11472)

Consistent boolean values in ansible playbooks

contrib/dind/dind-cluster.yaml

@@ -1,7 +1,7 @@
 ---
 - name: Create nodes as docker containers
   hosts: localhost
-  gather_facts: False
+  gather_facts: false
   roles:
     - { role: dind-host }
 

contrib/dind/kubespray-dind.yaml

@@ -15,7 +15,7 @@ docker_storage_options: -s overlay2 --storage-opt overlay2.override_kernel_check
 
 dns_mode: coredns
 
-deploy_netchecker: True
+deploy_netchecker: true
 netcheck_agent_image_repo: quay.io/l23network/k8s-netchecker-agent
 netcheck_server_image_repo: quay.io/l23network/k8s-netchecker-server
 netcheck_agent_image_tag: v1.0

contrib/dind/roles/dind-cluster/tasks/main.yaml

@@ -14,7 +14,7 @@
     src: "/bin/true"
     dest: "{{ item }}"
     state: link
-    force: yes
+    force: true
   with_items:
     # DIND box may have swap enable, don't bother
     - /sbin/swapoff
@@ -58,7 +58,7 @@
     name: "{{ distro_user }}"
     uid: 1000
     # groups: sudo
-    append: yes
+    append: true
 
 - name: Allow password-less sudo to "{{ distro_user }}"
   copy:

contrib/dind/roles/dind-host/tasks/main.yaml

@@ -19,7 +19,7 @@
     state: started
     hostname: "{{ item }}"
     command: "{{ distro_init }}"
-    # recreate: yes
+    # recreate: true
     privileged: true
     tmpfs:
       - /sys/module/nf_conntrack/parameters