From ddc8db7956cbf68afb1bb49401827e9b55ab139f Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sat, 11 Jan 2020 03:35:03 +0100
Subject: kubernetes: new/updated kubeadm master role (WIP)

---
 .../kubeadm/master/templates/encryption-config.j2  | 13 ++++++++
 .../master/templates/kubeadm-cluster.config.j2     | 39 ++++++++++++++--------
 2 files changed, 39 insertions(+), 13 deletions(-)
 create mode 100644 roles/kubernetes/kubeadm/master/templates/encryption-config.j2

(limited to 'roles/kubernetes/kubeadm/master/templates')

diff --git a/roles/kubernetes/kubeadm/master/templates/encryption-config.j2 b/roles/kubernetes/kubeadm/master/templates/encryption-config.j2
new file mode 100644
index 00000000..a69ae84b
--- /dev/null
+++ b/roles/kubernetes/kubeadm/master/templates/encryption-config.j2
@@ -0,0 +1,13 @@
+kind: EncryptionConfiguration
+apiVersion: apiserver.config.k8s.io/v1
+resources:
+  - resources:
+    - secrets
+    providers:
+    - secretbox:
+        keys:
+{% for key in kubernetes.encryption_config_keys %}
+        - name: key{{ loop.index }}
+          secret: {{ key }}
+{% endfor %}
+    - identity: {}
diff --git a/roles/kubernetes/kubeadm/master/templates/kubeadm-cluster.config.j2 b/roles/kubernetes/kubeadm/master/templates/kubeadm-cluster.config.j2
index 5ec18614..78e9d7a7 100644
--- a/roles/kubernetes/kubeadm/master/templates/kubeadm-cluster.config.j2
+++ b/roles/kubernetes/kubeadm/master/templates/kubeadm-cluster.config.j2
@@ -1,34 +1,47 @@
 {# https://godoc.org/k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1 #}
+{#  #}
+apiVersion: kubeadm.k8s.io/v1beta1
+kind: InitConfiguration
+{# TODO: this is ugly but we want to create our own token so we can #}
+{# better control it's lifetime #}
+bootstrapTokens:
+- ttl: "1s"
+---
 apiVersion: kubeadm.k8s.io/v1beta1
 kind: ClusterConfiguration
-kubernetesVersion: v{{ kubernetes_version }}
+kubernetesVersion: {{ kubernetes_version }}
 clusterName: {{ kubernetes.cluster_name }}
-certificatesDir: /etc/kubernetes/pki
+imageRepository: k8s.gcr.io
 {% if kubernetes.api_advertise_ip %}
 controlPlaneEndpoint: "{{ kubernetes.api_advertise_ip }}:6443"
 {% endif %}
-imageRepository: k8s.gcr.io
 networking:
   dnsDomain: cluster.local
   podSubnet: {{ kubernetes.pod_ip_range }}
   serviceSubnet: {{ kubernetes.service_ip_range }}
-etcd:
-  local:
-    dataDir: /var/lib/etcd
 apiServer:
-{% if kubernetes.api_extra_sans | length > 0 %}
+  extraArgs:
+{% if kubernetes.api_advertise_ip %}
+    advertise-address: {{ kubernetes.api_advertise_ip }}
+{% endif %}
+    encryption-provider-config: /etc/kubernetes/encryption/config
+  extraVolumes:
+  - name: encryption-config
+    hostPath: /etc/kubernetes/encryption
+    mountPath: /etc/kubernetes/encryption
+    readOnly: true
+    pathType: Directory
+{% if (kubernetes.api_extra_sans | length) == 0 %}
+  certSANs: []
+{% else %}
   certSANs:
 {%   for san in kubernetes.api_extra_sans %}
   - {{ san }}
 {%   endfor %}
 {% endif %}
+controllerManager:
   extraArgs:
-{% if kubernetes.api_advertise_ip %}
-    advertise-address: {{ kubernetes.api_advertise_ip }}
-{% endif %}
-    authorization-mode: Node,RBAC
-  timeoutForControlPlane: 4m0s
-controllerManager: {}
+    node-cidr-mask-size: "{{ kubernetes_network_node_cidr_size }}"
 scheduler: {}
 dns:
   type: CoreDNS
-- 
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