kubernetes: upgrade kubeguard network plugin

3 files changed, 185 insertions, 11 deletions

diff --git a/roles/kubernetes/kubeadm/base/tasks/net_kubeguard.yml b/roles/kubernetes/kubeadm/base/tasks/net_kubeguard.yml
index 2d706a03..ed5403d3 100644
--- a/roles/kubernetes/kubeadm/base/tasks/net_kubeguard.yml
+++ b/roles/kubernetes/kubeadm/base/tasks/net_kubeguard.yml
@@ -1,12 +1,17 @@
 ---
+- name: fail if kubernetes_network_plugin_variant is set to with-kube-router
+  run_once: yes
+  assert:
+    msg: Unfortunately using kube-router together with kubeguard does not work at the moment!
+    that: "kubernetes_network_plugin_variant != 'with-kube-router'"
+
 - name: make sure kubernetes_network_plugin_replaces_kube_proxy is not set
   when:
-    - kubernetes_network_plugin_variant != 'with-kube-router'
+  - "kubernetes_network_plugin_variant != 'with-kube-router'"
   run_once: yes
   assert:
-    msg: "kubeguard variant '{{ kubernetes_network_plugin_variant }}' can not replace kube-proxy please set kubernetes_network_plugin_replaces_kube_proxy to false or configure a differnt kubernetes_network_plugin_variant."
-    that:
-      - not kubernetes_network_plugin_replaces_kube_proxy
+    msg: "kubeguard variant '{{ kubernetes_network_plugin_variant }}' can not replace kube-proxy, please set kubernetes_network_plugin_replaces_kube_proxy to false or configure a differnt kubernetes_network_plugin_variant."
+    that: not kubernetes_network_plugin_replaces_kube_proxy
 
 
 - name: install wireguard
diff --git a/roles/kubernetes/kubeadm/master/templates/net_kubeguard/kube-router.0.4.0.yml.j2 b/roles/kubernetes/kubeadm/master/templates/net_kubeguard/kube-router.0.4.0.yml.j2
index 51bfdaae..e343f4a7 100644
--- a/roles/kubernetes/kubeadm/master/templates/net_kubeguard/kube-router.0.4.0.yml.j2
+++ b/roles/kubernetes/kubeadm/master/templates/net_kubeguard/kube-router.0.4.0.yml.j2
@@ -57,6 +57,7 @@ spec:
         image: docker.io/cloudnativelabs/kube-router:v{{ kubernetes_network_plugin_version }}
         imagePullPolicy: Always
         args:
+        - --cluster-cidr={{ kubernetes.pod_ip_range }}
         - --run-router=false
         - --run-firewall=true
         - --run-service-proxy={{ kubernetes_network_plugin_replaces_kube_proxy | string | lower }}
@@ -93,13 +94,11 @@ spec:
           readOnly: false
       hostNetwork: true
       tolerations:
-      - key: CriticalAddonsOnly
-        operator: Exists
       - effect: NoSchedule
-        key: node-role.kubernetes.io/master
         operator: Exists
-      - effect: NoSchedule
-        key: node.kubernetes.io/not-ready
+      - key: CriticalAddonsOnly
+        operator: Exists
+      - effect: NoExecute
         operator: Exists
       volumes:
       - name: lib-modules
@@ -123,7 +122,7 @@ metadata:
   namespace: kube-system
 ---
 kind: ClusterRole
-apiVersion: rbac.authorization.k8s.io/v1beta1
+apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: kube-router
   namespace: kube-system
@@ -158,7 +157,7 @@ rules:
       - watch
 ---
 kind: ClusterRoleBinding
-apiVersion: rbac.authorization.k8s.io/v1beta1
+apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: kube-router
 roleRef:
diff --git a/roles/kubernetes/kubeadm/master/templates/net_kubeguard/kube-router.1.1.1.yml.j2 b/roles/kubernetes/kubeadm/master/templates/net_kubeguard/kube-router.1.1.1.yml.j2
new file mode 100644
index 00000000..ec30d670
--- /dev/null
+++ b/roles/kubernetes/kubeadm/master/templates/net_kubeguard/kube-router.1.1.1.yml.j2
@@ -0,0 +1,170 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: kube-router-kubeconfig
+  namespace: kube-system
+  labels:
+    tier: node
+    k8s-app: kube-router
+data:
+  kubeconfig.conf: |
+    apiVersion: v1
+    kind: Config
+    clusters:
+    - cluster:
+        certificate-authority: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+        server: https://127.0.0.1:{{ kubernetes_api_lb_port | default('6443') }}
+      name: default
+    contexts:
+    - context:
+        cluster: default
+        namespace: default
+        user: default
+      name: default
+    current-context: default
+    users:
+    - name: default
+      user:
+        tokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+---
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  labels:
+    k8s-app: kube-router
+    tier: node
+  name: kube-router
+  namespace: kube-system
+spec:
+  selector:
+    matchLabels:
+      k8s-app: kube-router
+      tier: node
+  template:
+    metadata:
+      labels:
+        k8s-app: kube-router
+        tier: node
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "8080"
+    spec:
+      priorityClassName: system-node-critical
+      serviceAccountName: kube-router
+      serviceAccount: kube-router
+      containers:
+      - name: kube-router
+        image: docker.io/cloudnativelabs/kube-router:v{{ kubernetes_network_plugin_version }}
+        imagePullPolicy: Always
+        args:
+        - --run-router=false
+        - --run-firewall=true
+        - --run-service-proxy={{ kubernetes_network_plugin_replaces_kube_proxy | string | lower }}
+        - --bgp-graceful-restart=true
+        - --kubeconfig=/var/lib/kube-router/kubeconfig
+        - --hairpin-mode
+        - --iptables-sync-period=10s
+        - --ipvs-sync-period=10s
+        env:
+        - name: NODE_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: spec.nodeName
+        livenessProbe:
+          httpGet:
+            path: /healthz
+            port: 20244
+          initialDelaySeconds: 10
+          periodSeconds: 3
+        resources:
+          requests:
+            cpu: 250m
+            memory: 250Mi
+        securityContext:
+          privileged: true
+        volumeMounts:
+        - name: lib-modules
+          mountPath: /lib/modules
+          readOnly: true
+        - name: kubeconfig
+          mountPath: /var/lib/kube-router
+          readOnly: true
+        - name: xtables-lock
+          mountPath: /run/xtables.lock
+          readOnly: false
+      hostNetwork: true
+      tolerations:
+      - effect: NoSchedule
+        operator: Exists
+      - key: CriticalAddonsOnly
+        operator: Exists
+      - effect: NoExecute
+        operator: Exists
+      volumes:
+      - name: lib-modules
+        hostPath:
+          path: /lib/modules
+      - name: kubeconfig
+        configMap:
+          name: kube-router-kubeconfig
+          items:
+          - key: kubeconfig.conf
+            path: kubeconfig
+      - name: xtables-lock
+        hostPath:
+          path: /run/xtables.lock
+          type: FileOrCreate
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kube-router
+  namespace: kube-system
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: kube-router
+  namespace: kube-system
+rules:
+  - apiGroups:
+    - ""
+    resources:
+      - namespaces
+      - pods
+      - services
+      - nodes
+      - endpoints
+    verbs:
+      - list
+      - get
+      - watch
+  - apiGroups:
+    - "networking.k8s.io"
+    resources:
+      - networkpolicies
+    verbs:
+      - list
+      - get
+      - watch
+  - apiGroups:
+    - extensions
+    resources:
+      - networkpolicies
+    verbs:
+      - get
+      - list
+      - watch
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: kube-router
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: kube-router
+subjects:
+- kind: ServiceAccount
+  name: kube-router
+  namespace: kube-system