diff --git a/docs/hardening.md b/docs/hardening.md index 77d70f9b699c40ce78968570fc4b8c83bce0941c..2cf54850b3f1b51f5b26f99b2e09608c68359557 100644 --- a/docs/hardening.md +++ b/docs/hardening.md @@ -107,7 +107,7 @@ kubelet_systemd_hardening: true # IP addresses, kubelet_secure_addresses allows you # to specify the IP from which the kubelet # will receive the packets. -kubelet_secure_addresses: "192.168.10.110 192.168.10.111 192.168.10.112" +kubelet_secure_addresses: "localhost link-local {{ kube_pods_subnet }} 192.168.10.110 192.168.10.111 192.168.10.112" # additional configurations kube_owner: root diff --git a/roles/kubernetes/node/defaults/main.yml b/roles/kubernetes/node/defaults/main.yml index 7366b263f69ca1bf18b0d23edcc796aea53f2523..69cfa4540a97b4aa7d7c8c2f3c75301ab753da2e 100644 --- a/roles/kubernetes/node/defaults/main.yml +++ b/roles/kubernetes/node/defaults/main.yml @@ -24,10 +24,11 @@ kubelet_kubelet_cgroups_cgroupfs: "/system.slice/kubelet.service" kubelet_systemd_hardening: false # List of secure IPs for kubelet -kubelet_secure_addresses: >- - {%- for host in groups['kube_control_plane'] -%} +kube_node_addresses: >- + {%- for host in (groups['kube_control_plane'] + groups['kube_node'] + groups['etcd']) | unique -%} {{ hostvars[host]['ip'] | default(fallback_ips[host]) }}{{ ' ' if not loop.last else '' }} {%- endfor -%} +kubelet_secure_addresses: "localhost link-local {{ kube_pods_subnet }} {{ kube_node_addresses }}" # Reserve this space for kube resources # Set to true to reserve resources for kube daemons