Deploying k8s clusters in a private environment

roles/download/defaults/main.yml

@@ -61,6 +61,13 @@ kubeadm_checksum: 6b17720a65b8ff46efe92a5544f149c39a221910d89939838d75581d4e6924
 vault_binary_checksum: 3c4d70ba71619a43229e65c67830e30e050eab7a81ac6b28325ff707e5914188
 
 # Containers
+# In some cases, we need a way to set --registry-mirror or --insecure-registry for docker,
+# it helps a lot for local private development or bare metal environment.
+# So you need define --registry-mirror or --insecure-registry, and modify the following url address.
+# example:
+# You need to deploy kubernetes cluster on local private development.
+# Also provide the address of your own private registry.
+# And use --insecure-registry options for docker
 etcd_image_repo: "quay.io/coreos/etcd"
 etcd_image_tag: "{{ etcd_version }}{%- if image_arch != 'amd64' -%}-{{ image_arch }}{%- endif -%}"
 flannel_image_repo: "quay.io/coreos/flannel"

roles/kubespray-defaults/defaults/main.yaml

@@ -166,9 +166,6 @@ docker_iptables_enabled: "false"
 # Rotate container stderr/stdout logs at 50m and keep last 5
 docker_log_opts: "--log-opt max-size=50m --log-opt max-file=5"
 
-# define docker bin_dir
-docker_bin_dir: "/usr/bin"
-
 ## An obvious use case is allowing insecure-registry access to self hosted registries.
 ## Can be ipddress and domain_name.
 ## example define 172.19.16.11 or mirror.registry.io