use kustomize transformers

linode · May 24, 2024 · c572de1 · c572de1
1 parent 56a081f
commit c572de1
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Showing 5 changed files with 71 additions and 84 deletions.
diff --git a/docs/src/topics/flavors/cilium-bgp-lb.md b/docs/src/topics/flavors/cilium-bgp-lb.md
@@ -47,10 +47,9 @@ Linode networking and API limitations:
 
 ## Usage
 
-1. (Optional) Set up environment variables
+1. (Optional) Set up environment variable
     ```sh
     # Optional
-    export LINODE_BGP_PEER_MACHINE_TYPE=g6-standard-2
     export BGP_PEER_MACHINE_COUNT=2
     ```
 

diff --git a/templates/flavors/cilium-bgp-lb/kubeadmConfigTemplate.yaml b/templates/flavors/cilium-bgp-lb/kubeadmConfigTemplate.yaml
@@ -3,60 +3,3 @@ apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
 kind: KubeadmConfigTemplate
 metadata:
   name: ${CLUSTER_NAME}-md-bgp
-spec:
-  template:
-    spec:
-      files:
-        - path: /etc/containerd/config.toml
-          content: |
-            version = 2
-            imports = ["/etc/containerd/conf.d/*.toml"]
-            [plugins]
-              [plugins."io.containerd.grpc.v1.cri"]
-                sandbox_image = "registry.k8s.io/pause:3.9"
-              [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
-                runtime_type = "io.containerd.runc.v2"
-              [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
-                SystemdCgroup = true
-        - path: /etc/modules-load.d/k8s.conf
-          content: |
-            overlay
-            br_netfilter
-        - path: /etc/sysctl.d/k8s.conf
-          content: |
-            net.bridge.bridge-nf-call-iptables  = 1
-            net.bridge.bridge-nf-call-ip6tables = 1
-            net.ipv4.ip_forward                 = 1
-            net.ipv6.conf.all.forwarding        = 1
-        - path: /kubeadm-pre-init.sh
-          content: |
-            #!/bin/bash
-            set -euo pipefail
-            export DEBIAN_FRONTEND=noninteractive
-            mkdir -p -m 755 /etc/apt/keyrings
-            PATCH_VERSION=$${1#[v]}
-            VERSION=$${PATCH_VERSION%.*}
-            curl -fsSL "https://pkgs.k8s.io/core:/stable:/v$VERSION/deb/Release.key" | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
-            echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v$VERSION/deb/ /" | sudo tee /etc/apt/sources.list.d/kubernetes.list
-            apt-get update -y
-            apt-get install -y kubelet=$PATCH_VERSION* kubeadm=$PATCH_VERSION* kubectl=$PATCH_VERSION* containerd
-            apt-mark hold kubelet kubeadm kubectl containerd
-            modprobe overlay
-            modprobe br_netfilter
-            sysctl --system
-            if [ -d "/sys/class/net/eth1" ]; then
-                IPADDR=$(ip a s eth1 |grep 'inet ' |cut -d' ' -f6|cut -d/ -f1)
-                sed -i "s/kubeletExtraArgs:/kubeletExtraArgs:\n    node-ip: $IPADDR/g" /run/kubeadm/kubeadm.yaml
-            fi
-          permissions: "0500"
-      preKubeadmCommands:
-        - /kubeadm-pre-init.sh ${KUBERNETES_VERSION}
-        - sed -i '/swap/d' /etc/fstab
-        - swapoff -a
-        - hostnamectl set-hostname '{{ ds.meta_data.label }}' && hostname -F /etc/hostname
-      joinConfiguration:
-        nodeRegistration:
-          kubeletExtraArgs:
-            cloud-provider: external
-            node-labels: cilium-bgp-peering="true"
-          name: '{{ ds.meta_data.label }}'
diff --git a/templates/flavors/cilium-bgp-lb/kustomization.yaml b/templates/flavors/cilium-bgp-lb/kustomization.yaml
@@ -27,3 +27,73 @@ patches:
           env:
             - name: LINODE_URL
               value: https://api.linode.com/v4beta
+transformers:
+- |
+  apiVersion: builtin
+  kind: ReplacementTransformer
+  metadata:
+    name: clone-bgp
+  replacements:
+  - source:
+      kind: KubeadmConfigTemplate
+      name: ${CLUSTER_NAME}-md-0
+      fieldPath: .spec
+    targets:
+    - select:
+        kind: KubeadmConfigTemplate
+        name: ${CLUSTER_NAME}-md-bgp
+      fieldPaths:
+      - .spec
+      options:
+        create: true
+  - source:
+      kind: LinodeMachineTemplate
+      name: ${CLUSTER_NAME}-md-0
+      fieldPath: .spec
+    targets:
+    - select:
+        kind: LinodeMachineTemplate
+        name: ${CLUSTER_NAME}-md-bgp
+      fieldPaths:
+      - .spec
+      options:
+        create: true
+  - source:
+      kind: MachineDeployment
+      name: ${CLUSTER_NAME}-md-0
+      fieldPath: .spec.template
+    targets:
+    - select:
+        kind: MachineDeployment
+        name: ${CLUSTER_NAME}-md-bgp
+      fieldPaths:
+      - .spec.template
+      options:
+        create: true
+- |-
+  apiVersion: builtin
+  kind: PatchTransformer
+  metadata:
+    name: patch-kubeadmconfig
+  patch: |-
+    - op: add
+      path: /spec/template/spec/joinConfiguration/nodeRegistration/kubeletExtraArgs/node-labels
+      value: cilium-bgp-peering="true"
+  target:
+    kind: KubeadmConfigTemplate
+    name: .*-md-bgp
+- |-
+  apiVersion: builtin
+  kind: PatchTransformer
+  metadata:
+    name: patch-machinedeployment
+  patch: |-
+    - op: replace
+      path: /spec/template/spec/bootstrap/configRef/name
+      value: ${CLUSTER_NAME}-md-bgp
+    - op: replace
+      path: /spec/template/spec/infrastructureRef/name
+      value: ${CLUSTER_NAME}-md-bgp
+  target:
+    kind: MachineDeployment
+    name: .*-md-bgp
diff --git a/templates/flavors/cilium-bgp-lb/linodeMachineTemplate.yaml b/templates/flavors/cilium-bgp-lb/linodeMachineTemplate.yaml
@@ -2,15 +2,3 @@ apiVersion: infrastructure.cluster.x-k8s.io/v1alpha1
 kind: LinodeMachineTemplate
 metadata:
   name: ${CLUSTER_NAME}-md-bgp
-spec:
-  template:
-    spec:
-      image: ${LINODE_OS:="linode/ubuntu22.04"}
-      type: ${LINODE_BGP_PEER_MACHINE_TYPE:=${LINODE_MACHINE_TYPE}}
-      region: ${LINODE_REGION}
-      interfaces:
-      - purpose: public
-        primary: true
-      authorizedKeys:
-      # uncomment to include your ssh key in linode provisioning
-      # - ${LINODE_SSH_PUBKEY:=""}
diff --git a/templates/flavors/cilium-bgp-lb/machineDeployment.yaml b/templates/flavors/cilium-bgp-lb/machineDeployment.yaml
@@ -6,16 +6,3 @@ metadata:
 spec:
   clusterName: ${CLUSTER_NAME}
   replicas: ${BGP_PEER_MACHINE_COUNT:=2}
-  template:
-    spec:
-      clusterName: ${CLUSTER_NAME}
-      version: "${KUBERNETES_VERSION}"
-      bootstrap:
-        configRef:
-          name: ${CLUSTER_NAME}-md-bgp
-          apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
-          kind: KubeadmConfigTemplate
-      infrastructureRef:
-        name: ${CLUSTER_NAME}-md-bgp
-        apiVersion: infrastructure.cluster.x-k8s.io/v1alpha1
-        kind: LinodeMachineTemplate