feat: various re-org for 1.21

containers/admin/upgrade-cluster.yaml

@@ -1,7 +1,7 @@
 apiVersion: batch/v1
 kind: Job
 metadata:
-  name: kubezero-upgrade
+  name: kubezero-upgrade-v1.21.7
   namespace: kube-system
 spec:
   backoffLimit: 1

containers/admin/v1.21/kubeadm/README.md

@@ -22,12 +22,14 @@ Kubernetes: `>= 1.20.0`
 |-----|------|---------|-------------|
 | api.allEtcdEndpoints | string | `""` |  |
 | api.apiAudiences | string | `"istio-ca"` |  |
-| api.awsIamAuth | string | `"false"` |  |
 | api.endpoint | string | `"kube-api.changeme.org:6443"` |  |
 | api.extraArgs | object | `{}` |  |
 | api.listenPort | int | `6443` |  |
 | api.oidcEndpoint | string | `""` | s3://${CFN[ConfigBucket]}/k8s/$CLUSTERNAME |
 | api.serviceAccountIssuer | string | `""` | https://s3.${REGION}.amazonaws.com/${CFN[ConfigBucket]}/k8s/$CLUSTERNAME |
+| awsIamAuth.enabled | bool | `false` |  |
+| awsIamAuth.kubeAdminRole | string | `"arn:aws:iam::000000000000:role/KubernetesNode"` |  |
+| awsIamAuth.workerNodeRole | string | `"arn:aws:iam::000000000000:role/KubernetesNode"` |  |
 | backup.passwordFile | string | `""` | /etc/cloudbender/clusterBackup.passphrase |
 | backup.repository | string | `""` | s3:https://s3.amazonaws.com/${CFN[ConfigBucket]}/k8s/${CLUSTERNAME}/clusterBackup |
 | clusterName | string | `"pleasechangeme"` |  |
@@ -35,13 +37,12 @@ Kubernetes: `>= 1.20.0`
 | etcd.extraArgs | object | `{}` |  |
 | etcd.nodeName | string | `"set_via_cmdline"` |  |
 | highAvailable | bool | `false` |  |
-| kubeAdminRole | string | `"arn:aws:iam::000000000000:role/KubernetesNode"` |  |
 | listenAddress | string | `"0.0.0.0"` | Needs to be set to primary node IP |
+| network.multus.enabled | bool | `true` |  |
+| network.multus.tag | string | `"v3.8"` |  |
 | nodeName | string | `"localhost"` | set to $HOSTNAME |
-| platform | string | `"aws"` | supported values aws,bare-metal |
 | protectKernelDefaults | bool | `true` |  |
 | systemd | bool | `true` | Set to false for openrc, eg. on Gentoo or Alpine |
-| workerNodeRole | string | `"arn:aws:iam::000000000000:role/KubernetesNode"` |  |
 
 ## Resources
 

containers/admin/v1.21/kubeadm/templates/ClusterConfiguration.yaml

@@ -36,13 +36,13 @@ controllerManager:
     terminated-pod-gc-threshold: "300"
     # leader-elect: {{ .Values.highAvailable | quote }}
     logging-format: json
-    feature-gates: {{ include "kubeadm.featuregates" ( dict "return" "csv" "platform" .Values.platform ) | trimSuffix "," | quote }}
+    feature-gates: {{ include "kubeadm.featuregates" ( dict "return" "csv" ) | trimSuffix "," | quote }}
 scheduler:
   extraArgs:
     profiling: "false"
     # leader-elect: {{ .Values.highAvailable | quote }}
     logging-format: json
-    feature-gates: {{ include "kubeadm.featuregates" ( dict "return" "csv" "platform" .Values.platform ) | trimSuffix "," | quote }}
+    feature-gates: {{ include "kubeadm.featuregates" ( dict "return" "csv" ) | trimSuffix "," | quote }}
 apiServer:
   certSANs:
   -  {{ regexSplit ":" .Values.api.endpoint -1 | first }}
@@ -62,10 +62,10 @@ apiServer:
     service-account-issuer: "{{ .Values.api.serviceAccountIssuer }}"
     service-account-jwks-uri: "{{ .Values.api.serviceAccountIssuer }}/openid/v1/jwks"
     {{- end }}
-    {{- if eq .Values.platform "aws" }}
+    {{- if .Values.api.awsIamAuth.enabled }}
     authentication-token-webhook-config-file: /etc/kubernetes/apiserver/aws-iam-authenticator.yaml
     {{- end }}
-    feature-gates: {{ include "kubeadm.featuregates" ( dict "return" "csv" "platform" .Values.platform ) | trimSuffix "," | quote }}
+    feature-gates: {{ include "kubeadm.featuregates" ( dict "return" "csv" ) | trimSuffix "," | quote }}
     enable-admission-plugins: DenyServiceExternalIPs,NodeRestriction,EventRateLimit
     # {{- if .Values.highAvailable }}
     # goaway-chance: ".001"

containers/admin/v1.21/kubeadm/templates/KubeletConfiguration.yaml

@@ -16,7 +16,7 @@ eventRecordQPS: 0
 # tlsCertFile: /var/lib/kubelet/pki/kubelet.crt
 # tlsPrivateKeyFile: /var/lib/kubelet/pki/kubelet.key
 tlsCipherSuites: [TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256]
-featureGates: {{ include "kubeadm.featuregates" ( dict "return" "map" "platform" .Values.platform ) }}
+featureGates: {{ include "kubeadm.featuregates" ( dict "return" "map" ) }}
 # Minimal unit is 50m per pod
 podsPerCore: 20
 # cpuCFSQuotaPeriod: 10ms

containers/admin/v1.21/kubeadm/templates/admin-aws-iam.yaml

@@ -1,4 +1,4 @@
-{{- if eq .Values.platform "aws" }}
+{{- if .Values.api.awsIamAuth.enabled }}
 apiVersion: v1
 kind: Config
 clusters:
@@ -23,5 +23,5 @@ users:
         - "-i"
         - "{{ .Values.clusterName }}"
         - "-r"
-        - "{{ .Values.kubeAdminRole }}"
+        - "{{ .Values.api.awsIamAuth.kubeAdminRole }}"
 {{- end }}

containers/admin/v1.21/kubeadm/templates/apiserver/aws-iam-authenticator.yaml

@@ -1,4 +1,4 @@
-{{- if eq .Values.platform "aws" }}
+{{- if .Values.api.awsIamAuth.enabled }}
 # clusters refers to the remote service.
 clusters:
   - name: aws-iam-authenticator

containers/admin/v1.21/kubeadm/templates/resources/50-aws-iam-authenticator-crds.yaml

@@ -1,4 +1,4 @@
-{{- if eq .Values.platform "aws" }}
+{{- if .Values.api.awsIamAuth.enabled }}
 apiVersion: apiextensions.k8s.io/v1beta1
 kind: CustomResourceDefinition
 metadata:

containers/admin/v1.21/kubeadm/templates/resources/51-aws-iam-authenticator-deployment.yaml

@@ -1,4 +1,4 @@
-{{- if eq .Values.platform "aws" }}
+{{- if .Values.api.awsIamAuth.enabled }}
 kind: ClusterRole
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
@@ -106,9 +106,9 @@ spec:
       # run on the host network (don't depend on CNI)
       hostNetwork: true
 
-      # run on each master node
+      # run on each controller
       nodeSelector:
-        node-role.kubernetes.io/master: ""
+        node-role.kubernetes.io/control-plane: ""
       tolerations:
       - effect: NoSchedule
         key: node-role.kubernetes.io/master

containers/admin/v1.21/kubeadm/templates/resources/52-aws-iam-authenticator-mappings.yaml

@@ -1,11 +1,11 @@
-{{- if eq .Values.platform "aws" }}
+{{- if .Values.api.awsIamAuth.enabled }}
 # Controller role for consistency, similar to kubeadm admin.conf
 apiVersion: iamauthenticator.k8s.aws/v1alpha1
 kind: IAMIdentityMapping
 metadata:
   name: kubezero-worker-nodes
 spec:
-  arn: {{ .Values.workerNodeRole }}
+  arn: {{ .Values.api.awsIamAuth.workerNodeRole }}
   username: system:node:{{ "{{" }}EC2PrivateDNSName{{ "}}" }}
   groups:
   # For now use masters, define properly with 1.20
@@ -19,7 +19,7 @@ kind: IAMIdentityMapping
 metadata:
   name: kubernetes-admin
 spec:
-  arn: {{ .Values.kubeAdminRole }}
+  arn: {{ .Values.api.awsIamAuth.kubeAdminRole }}
   username: kubernetes-admin
   groups:
   - system:masters

containers/admin/v1.21/kubeadm/templates/resources/90-backup-secret.yaml

@@ -1,9 +0,0 @@
-apiVersion: v1
-kind: Secret
-metadata:
-  name: kubezero-backup-restic
-  namespace: kube-system
-type: Opaque
-data:
-  repository: {{ default "" .Values.backup.repository | b64enc }}
-  password: {{ default "" .Values.backup.password | b64enc }}

containers/admin/v1.21/kubeadm/templates/resources/91-backup-cluster.yaml

@@ -1,53 +0,0 @@
-apiVersion: batch/v1
-kind: CronJob
-metadata:
-  name: kubezero-backup
-  namespace: kube-system
-spec:
-  schedule: "0 * * * *"
-  jobTemplate:
-    spec:
-      backoffLimit: 1
-      template:
-        spec:
-          containers:
-          - name: kubezero-admin
-            image: public.ecr.aws/zero-downtime/kubezero-admin:v{{ .Chart.Version }}
-            imagePullPolicy: Always
-            command: ["kubezero.sh"]
-            args:
-            - backup
-            volumeMounts:
-            - name: host
-              mountPath: /host
-            - name: workdir
-              mountPath: /tmp
-            env: 
-            - name: DEBUG
-              value: "1"
-            - name: RESTIC_REPOSITORY
-              valueFrom: 
-                secretKeyRef: 
-                  name: kubezero-backup-restic
-                  key: repository
-            - name: RESTIC_PASSWORD
-              valueFrom: 
-                secretKeyRef: 
-                  name: kubezero-backup-restic
-                  key: password 
-            #securityContext:
-            # readOnlyRootFilesystem: true
-          hostNetwork: true
-          volumes:
-          - name: host
-            hostPath:
-              path: /
-              type: Directory
-          - name: workdir
-            emptyDir: {}
-          nodeSelector:
-            node-role.kubernetes.io/master: ""
-          tolerations:
-          - key: node-role.kubernetes.io/master
-            effect: NoSchedule
-          restartPolicy: Never

containers/admin/v1.21/kubeadm/values.yaml

@@ -16,26 +16,40 @@ api:
   # -- s3://${CFN[ConfigBucket]}/k8s/$CLUSTERNAME
   oidcEndpoint: ""
   apiAudiences: "istio-ca"
-  awsIamAuth: "false"
 
-etcd:
+  awsIamAuth:
-  nodeName: set_via_cmdline
+    enabled: false
-  extraArgs: {}
+    workerNodeRole: "arn:aws:iam::000000000000:role/KubernetesNode"
+    kubeAdminRole: "arn:aws:iam::000000000000:role/KubernetesNode"
 
-backup:
+addons:
+  aws-node-termination-handler:
+    enabled: false
+    # -- arn:aws:sqs:${REGION}:${AWS_ACCOUNT_ID}:${CLUSTERNAME}_Nth
+    queueURL: ""
+
+  clusterBackup:
+    enabled: false
     # -- s3:https://s3.amazonaws.com/${CFN[ConfigBucket]}/k8s/${CLUSTERNAME}/clusterBackup
     repository: ""
     # -- /etc/cloudbender/clusterBackup.passphrase
     passwordFile: ""
 
+network:
+  multus:
+    enabled: false
+    tag: "v3.8"
+  cilium:
+    enabled: false
+  calico:
+    enabled: false
+
 highAvailable: false
 
-# -- supported values aws,bare-metal
+etcd:
-platform: "aws"
+  nodeName: set_via_cmdline
+  extraArgs: {}
 
 # -- Set to false for openrc, eg. on Gentoo or Alpine
 systemd: true
 protectKernelDefaults: true
-
-workerNodeRole: "arn:aws:iam::000000000000:role/KubernetesNode"
-kubeAdminRole: "arn:aws:iam::000000000000:role/KubernetesNode"

containers/admin/v1.21/kubezero.sh

@@ -55,10 +55,12 @@ render_kubeadm() {
 parse_kubezero() {
   [ -f ${HOSTFS}/etc/kubernetes/kubezero.yaml ] || { echo "Missing /etc/kubernetes/kubezero.yaml!"; exit 1; }
 
+  KUBE_VERSION=$(kubeadm version -o yaml | yq eval .clientVersion.gitVersion -)
   CLUSTERNAME=$(yq eval '.clusterName' ${HOSTFS}/etc/kubernetes/kubezero.yaml)
   NODENAME=$(yq eval '.nodeName' ${HOSTFS}/etc/kubernetes/kubezero.yaml)
-  AWS_IAM_AUTH=$(yq eval '.api.awsIamAuth // "true"' ${HOSTFS}/etc/kubernetes/kubezero.yaml)
 
+  AWS_IAM_AUTH=$(yq eval '.api.awsIamAuth.enabled' ${HOSTFS}/etc/kubernetes/kubezero.yaml)
+  AWS_NTH=$(yq eval '.addons.aws-node-termination-handler.enabled' ${HOSTFS}/etc/kubernetes/kubezero.yaml)
 }
 
 
@@ -89,7 +91,9 @@ pre_kubeadm() {
 # Shared steps after calling kubeadm
 post_kubeadm() {
   # KubeZero resources
-  cat ${WORKDIR}/kubeadm/templates/resources/*.yaml | kubectl apply -f - $LOG
+  for f in ${WORKDIR}/kubeadm/templates/resources/*.yaml; do
+    kubectl apply -f $f $LOG
+  done
 
   # Patch coreDNS addon, ideally we prevent kubeadm to reset coreDNS to its defaults
   kubectl patch deployment coredns -n kube-system --patch-file ${WORKDIR}/kubeadm/templates/patches/coredns0.yaml $LOG
@@ -132,6 +136,23 @@ if [ "$1" == 'upgrade' ]; then
 
   ### POST 1.21 specific
   ######################
+  helm repo add kubezero https://cdn.zero-downtime.net/charts/
+
+  # if Calico, install multus to prepare migration
+  kubectl get ds calico-node -n kube-system && \
+    helm template kubezero/kubezero-network --version 0.1.0 --include-crds --namespace kube-system --kube-version $KUBE_VERSION --name-template network \
+      --set multus.enabled=true \
+      | kubectl apply -f - $LOG
+
+  # migrate backup
+  if [ -f ${HOSTFS}/usr/local/sbin/backup_control_plane.sh ]; then
+    _repo=$(grep "export RESTIC_REPOSITORY" ${HOSTFS}/usr/local/sbin/backup_control_plane.sh)
+    helm template kubezero/kubezero-addons --version 0.2.0 --include-crds --namespace kube-system --kube-version $KUBE_VERSION --name-template addons \
+      --set clusterBackup.enabled=true \
+      --set clusterBackup.repository="${_repo##*=}" \
+      --set clusterBackup.password="$(cat ${HOSTFS}/etc/kubernetes/clusterBackup.passphrase)" \
+    | kubectl apply -f - $LOG
+  fi
 
   ######################
 
@@ -147,7 +168,6 @@ if [ "$1" == 'upgrade' ]; then
 
   # Removed:
   # - update oidc do we need that ?
-  # - backup right after upgrade ... not so sure about that one
 
 
 elif [[ "$1" =~ "^(bootstrap|recover|join)$" ]]; then
@@ -203,6 +223,21 @@ elif [[ "$1" =~ "^(bootstrap|recover|join)$" ]]; then
     yq eval -M ".clusters[0].cluster.certificate-authority-data = \"$(cat ${HOSTFS}/etc/kubernetes/pki/ca.crt | base64 -w0)\"" ${WORKDIR}/kubeadm/templates/admin-aws-iam.yaml > ${HOSTFS}/etc/kubernetes/admin-aws-iam.yaml
   fi
 
+  # Install some basics on bootstrap
+  if [[ "$1" =~ "^(bootstrap)$" ]]; then
+    helm repo add kubezero https://cdn.zero-downtime.net/charts/
+
+    # network
+    yq eval '.network // ""' ${HOSTFS}/etc/kubernetes/kubezero.yaml > _values.yaml
+    helm template kubezero/kubezero-network --version 0.1.0 --include-crds --namespace kube-system --name-template network \
+      -f _values.yaml --kube-version $KUBE_VERSION | kubectl apply -f - $LOG
+
+    # addons
+    yq eval '.addons // ""' ${HOSTFS}/etc/kubernetes/kubezero.yaml > _values.yaml
+    helm template kubezero/kubezero-addons --version 0.2.0 --include-crds --namespace kube-system --name-template addons \
+      -f _values.yaml --kube-version $KUBE_VERSION | kubectl apply -f - $LOG
+  fi
+
   post_kubeadm
 
   echo "${1} cluster $CLUSTERNAME successfull."