Change CNI config directory to /etc/cni/net.d

* Change CNI config directory from `/etc/kubernetes/cni/net.d`
to `/etc/cni/net.d` (Kubelet default)
* poseidon/terraform-render-bootstrap#255

bootstrap.tf

@@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=8c2e766d180824416075f4d7a695d6291ef277ab"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=f87aa7f96a31153d5d068cbb9d849a29a27cd9ea"
 
   cluster_name                    = var.cluster_name
   api_servers                     = [var.k8s_domain_name]

cl/controller.yaml

@@ -64,7 +64,7 @@ systemd:
         Wants=rpc-statd.service
         [Service]
         Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.20.5
-        ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
+        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
         ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
         ExecStartPre=/bin/mkdir -p /opt/cni/bin
         ExecStartPre=/bin/mkdir -p /var/lib/calico
@@ -75,6 +75,7 @@ systemd:
           --privileged \
           --pid host \
           --network host \
+          -v /etc/cni/net.d:/etc/cni/net.d:ro \
           -v /etc/kubernetes:/etc/kubernetes:ro \
           -v /etc/machine-id:/etc/machine-id:ro \
           -v /usr/lib/os-release:/etc/os-release:ro \
@@ -95,7 +96,6 @@ systemd:
           --client-ca-file=/etc/kubernetes/ca.crt \
           --cluster_dns=${cluster_dns_service_ip} \
           --cluster_domain=${cluster_domain_suffix} \
-          --cni-conf-dir=/etc/kubernetes/cni/net.d \
           --healthz-port=0 \
           --hostname-override=${domain_name} \
           --kubeconfig=/var/lib/kubelet/kubeconfig \

cl/worker.yaml

@@ -36,7 +36,7 @@ systemd:
         Wants=rpc-statd.service
         [Service]
         Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.20.5
-        ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
+        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
         ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
         ExecStartPre=/bin/mkdir -p /opt/cni/bin
         ExecStartPre=/bin/mkdir -p /var/lib/calico
@@ -50,6 +50,7 @@ systemd:
           --privileged \
           --pid host \
           --network host \
+          -v /etc/cni/net.d:/etc/cni/net.d:ro \
           -v /etc/kubernetes:/etc/kubernetes:ro \
           -v /etc/machine-id:/etc/machine-id:ro \
           -v /usr/lib/os-release:/etc/os-release:ro \
@@ -70,7 +71,6 @@ systemd:
           --client-ca-file=/etc/kubernetes/ca.crt \
           --cluster_dns=${cluster_dns_service_ip} \
           --cluster_domain=${cluster_domain_suffix} \
-          --cni-conf-dir=/etc/kubernetes/cni/net.d \
           --healthz-port=0 \
           --hostname-override=${domain_name} \
           --kubeconfig=/var/lib/kubelet/kubeconfig \