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Update README to reflect latest code and way for init
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‎docs/README.md

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@@ -22,63 +22,113 @@ cd cluster-api-provider-nested
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kind create cluster --name=capn
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```
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### Install `cert-manager`
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### Clone CAPI and build `clusterctl` tool
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Cert Manager is a soft dependency for the Cluster API components to enable mutating
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and validating webhooks to be auto deployed. For more detailed instructions
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go [Cert Manager Installion](https://cert-manager.io/docs/installation/kubernetes/#installing-with-regular-manifests).
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As a cluster API~(CAPI) provider, CAPN need build `clusterctl` tool
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```shell
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kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.3.1/cert-manager.yaml
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git clone [email protected]:kubernetes-sigs/cluster-api.git
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cd cluster-api
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make clusterctl
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```
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### Clone CAPI and Deploy Dev release
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# Create Dev Repo
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As a cluster API~(CAPI) provider, CAPN requires core components of CAPI to be setup.
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We need to deploy the unreleased version of CAPI for `v1alpha4` API support.
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```
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mkdir -p ~/.cluster-api/dev-repository/
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```
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```shell
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git clone [email protected]:kubernetes-sigs/cluster-api.git
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cd cluster-api
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make release-manifests
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# change feature flags on core
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sed -i'' -e 's@- --feature-gates=.*@- --feature-gates=MachinePool=false,ClusterResourceSet=true@' out/core-components.yaml
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kubectl apply -f out/core-components.yaml
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cd ..
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# Update config for CAPI Beta
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```
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cat <<EOF >>~/.cluster-api/dev-repository/config.yaml
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---
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providers:
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- name: "cluster-api"
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url: "https://github.com/kubernetes-sigs/cluster-api/releases/v0.4.0-beta.0/core-components.yaml"
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type: "CoreProvider"
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- name: "kubeadm"
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url: "https://github.com/kubernetes-sigs/cluster-api/releases/v0.4.0-beta.0/bootstrap-components.yaml"
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type: "BootstrapProvider"
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EOF
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```
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### Create Docker Images, Manifests and Load Images
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### Init control plane, infrastructure etc
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```shell
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PULL_POLICY=Never TAG=dev make docker-build release-manifests
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kind load docker-image gcr.io/cluster-api-nested-controller-amd64:dev --name=capn
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kind load docker-image gcr.io/nested-controlplane-controller-amd64:dev --name=capn
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./bin/clusterctl init --core cluster-api:v0.4.0-beta.0 --control-plane nested:v0.1.0 --infrastructure nested:v0.1.0 --config ~/.cluster-api/dev-repository/config.yaml
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```
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you should see something like:
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```
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Fetching providers
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Installing cert-manager Version="v1.1.0"
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Waiting for cert-manager to be available...
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Installing Provider="cluster-api" Version="v0.4.0-beta.0" TargetNamespace="capi-system"
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Installing Provider="bootstrap-kubeadm" Version="v0.4.0-beta.0" TargetNamespace="capi-kubeadm-bootstrap-system"
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Installing Provider="control-plane-nested" Version="v0.1.0" TargetNamespace="capn-nested-control-plane-system"
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Installing Provider="infrastructure-nested" Version="v0.1.0" TargetNamespace="capn-system"
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### Deploy CAPN
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Your management cluster has been initialized successfully!
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Next, we will deploy the CAPN related CRDs and controllers.
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You can now create your first workload cluster by running the following:
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clusterctl generate cluster [name] --kubernetes-version [version] | kubectl apply -f -
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```
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and wait for all pods to be `Running` before proceed to next step:
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```
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kubectl get pods --all-namespaces
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NAMESPACE NAME READY STATUS RESTARTS AGE
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capi-kubeadm-bootstrap-system capi-kubeadm-bootstrap-controller-manager-c59c94d6f-l8f4v 1/1 Running 0 4m45s
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capi-system capi-controller-manager-6c555b545d-rtw8k 1/1 Running 0 4m46s
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capn-nested-control-plane-system capn-nested-control-plane-controller-manager-698c444c6d-nhddn 2/2 Running 0 4m45s
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capn-system capn-controller-manager-7f9757b67f-cp8d9 2/2 Running 0 4m43s
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cert-manager cert-manager-5597cff495-gwgr5 1/1 Running 0 5m7s
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cert-manager cert-manager-cainjector-bd5f9c764-vvbjf 1/1 Running 0 5m7s
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cert-manager cert-manager-webhook-5f57f59fbc-ccg5k 1/1 Running 0 5m7s
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kube-system coredns-74ff55c5b-9pspc 1/1 Running 0 6m16s
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kube-system coredns-74ff55c5b-nqnk9 1/1 Running 0 6m16s
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kube-system etcd-capn-control-plane 1/1 Running 0 6m29s
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kube-system kindnet-9g9z4 1/1 Running 0 6m16s
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kube-system kube-apiserver-capn-control-plane 1/1 Running 0 6m29s
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kube-system kube-controller-manager-capn-control-plane 1/1 Running 0 6m29s
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kube-system kube-proxy-jl46r 1/1 Running 0 6m16s
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kube-system kube-scheduler-capn-control-plane 1/1 Running 0 6m29s
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local-path-storage local-path-provisioner-78776bfc44-qcx49 1/1 Running 0 6m16s
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```
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### Set clustername (in our example, we set clustername to `cluster-sample`)
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```shell
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kubectl apply -f out/cluster-api-provider-nested-components.yaml
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export CLUSTER_NAME=cluster-sample
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```
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### Apply Sample Cluster
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### Generate custom resource (`Cluster`, `NestedCluster` etc) and apply to our cluster
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```shell
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kubectl apply -f config/samples/
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./bin/clusterctl generate cluster ${CLUSTER_NAME} --infrastructure=nested:v0.1.0 | kubectl apply -f -
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```
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### Get `KUBECONFIG`
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We will use the `clusterctl` command-line tool to generate the `KUBECONFIG`, which
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will be used to access the nested controlplane later.
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```shell
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cd cluster-api
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make clusterctl
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./bin/clusterctl get kubeconfig cluster-sample > ../kubeconfig
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cd ..
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./bin/clusterctl get kubeconfig ${CLUSTER_NAME} > ../kubeconfig
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```
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This error means that the status of the cluster is not ready. Please wait until the cluster is ready and try again.
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```
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Error: "cluster-sample-kubeconfig" not found in namespace "default": secrets "cluster-sample-kubeconfig" not found
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```
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### Make sure `cluster-sample` related pods are running before proceed.
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```
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# kubectl get pods
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NAME READY STATUS RESTARTS AGE
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cluster-sample-apiserver-0 1/1 Running 0 25h
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cluster-sample-controller-manager-0 1/1 Running 0 25h
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cluster-sample-etcd-0 1/1 Running 0 25h
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```
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### Port Forward
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to `port-forward` the apiserver service.
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```shell
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kubectl port-forward svc/cluster-sample-apiserver 6443:6443
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# kubectl port-forward svc/cluster-sample-apiserver 6443:6443
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Forwarding from 127.0.0.1:6443 -> 6443
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Forwarding from [::1]:6443 -> 6443
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```
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### Connect to Cluster
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### Connect to the Cluster! :tada:
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```shell
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kubectl --kubeconfig kubeconfig get all -A
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# kubectl --kubeconfig kubeconfig get all -A
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NAMESPACE NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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default service/kubernetes ClusterIP 10.32.0.1 <none> 443/TCP 25h
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```
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### Clean Up

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