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updated to K8S v1.19.4 amongst other updates

pull/624/head
tonyjchong 2020-11-27 10:39:03 -08:00
parent ca96371e4d
commit 5659fcee01
7 changed files with 69 additions and 36 deletions
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2
deployments/coredns-1.7.0.yaml → deployments/coredns-1.8.0.yaml
View File

@ -98,7 +98,7 @@ spec:
beta.kubernetes.io/os: linux
containers:
- name: coredns
image: coredns/coredns:1.7.0
image: coredns/coredns:1.8.0
imagePullPolicy: IfNotPresent
resources:
limits:

6
docs/07-bootstrapping-etcd.md
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@ -22,15 +22,15 @@ Download the official etcd release binaries from the [etcd](https://github.com/e
```
wget -q --show-progress --https-only --timestamping \
"https://github.com/etcd-io/etcd/releases/download/v3.4.10/etcd-v3.4.10-linux-amd64.tar.gz"
"https://github.com/etcd-io/etcd/releases/download/v3.4.14/etcd-v3.4.14-linux-amd64.tar.gz"
```
Extract and install the `etcd` server and the `etcdctl` command line utility:
```
{
tar -xvf etcd-v3.4.10-linux-amd64.tar.gz
sudo mv etcd-v3.4.10-linux-amd64/etcd* /usr/local/bin/
tar -xvf etcd-v3.4.14-linux-amd64.tar.gz
sudo mv etcd-v3.4.14-linux-amd64/etcd* /usr/local/bin/
}
```

52
docs/08-bootstrapping-kubernetes-controllers.md
View File

@ -28,10 +28,10 @@ Download the official Kubernetes release binaries:
```
wget -q --show-progress --https-only --timestamping \
"https://storage.googleapis.com/kubernetes-release/release/v1.18.6/bin/linux/amd64/kube-apiserver" \
"https://storage.googleapis.com/kubernetes-release/release/v1.18.6/bin/linux/amd64/kube-controller-manager" \
"https://storage.googleapis.com/kubernetes-release/release/v1.18.6/bin/linux/amd64/kube-scheduler" \
"https://storage.googleapis.com/kubernetes-release/release/v1.18.6/bin/linux/amd64/kubectl"
"https://storage.googleapis.com/kubernetes-release/release/v1.19.4/bin/linux/amd64/kube-apiserver" \
"https://storage.googleapis.com/kubernetes-release/release/v1.19.4/bin/linux/amd64/kube-controller-manager" \
"https://storage.googleapis.com/kubernetes-release/release/v1.19.4/bin/linux/amd64/kube-scheduler" \
"https://storage.googleapis.com/kubernetes-release/release/v1.19.4/bin/linux/amd64/kubectl"
```
Install the Kubernetes binaries:
@ -158,7 +158,7 @@ Create the `kube-scheduler.yaml` configuration file:
```
cat <<EOF | sudo tee /etc/kubernetes/config/kube-scheduler.yaml
apiVersion: kubescheduler.config.k8s.io/v1alpha1
apiVersion: kubescheduler.config.k8s.io/v1beta1
kind: KubeSchedulerConfiguration
clientConnection:
kubeconfig: "/var/lib/kubernetes/kube-scheduler.kubeconfig"
@ -244,6 +244,13 @@ sudo systemctl enable nginx
```
### Verification
---
**NOTE**
Although the `kubectl get componentstatues` still "works", the API has been deprecated as of Kubernetes v1.19
[Release Notes](https://kubernetes.io/docs/setup/release/notes/#deprecation-1)
---
```
kubectl get componentstatuses --kubeconfig admin.kubeconfig
@ -258,7 +265,7 @@ etcd-1 Healthy {"health":"true"}
etcd-2 Healthy {"health":"true"}
```
Test the nginx HTTP health check proxy:
Test the nginx HTTP health check proxy of the kubernetes-api:
```
curl -H "Host: kubernetes.default.svc.cluster.local" -i http://127.0.0.1/healthz
@ -277,6 +284,25 @@ X-Content-Type-Options: nosniff
ok
```
Test the health check of the kube-scheduler:
```
curl -i http://127.0.0.1:10251/healthz
```
```
HTTP/1.1 200 OK
Cache-Control: no-cache, private
Content-Type: text/plain; charset=utf-8
X-Content-Type-Options: nosniff
Date: Fri, 27 Nov 2020 17:48:26 GMT
Content-Length: 2
ok
```
> Remember to run the above commands on each controller node: `controller-0`, `controller-1`, and `controller-2`.
## RBAC for Kubelet Authorization
@ -295,7 +321,7 @@ Create the `system:kube-apiserver-to-kubelet` [ClusterRole](https://kubernetes.i
```
cat <<EOF | kubectl apply --kubeconfig admin.kubeconfig -f -
apiVersion: rbac.authorization.k8s.io/v1beta1
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
annotations:
@ -323,7 +349,7 @@ Bind the `system:kube-apiserver-to-kubelet` ClusterRole to the `kubernetes` user
```
cat <<EOF | kubectl apply --kubeconfig admin.kubeconfig -f -
apiVersion: rbac.authorization.k8s.io/v1beta1
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: system:kube-apiserver
@ -403,12 +429,12 @@ curl --cacert ca.pem https://${KUBERNETES_PUBLIC_ADDRESS}:6443/version
```
{
"major": "1",
"minor": "18",
"gitVersion": "v1.18.6",
"gitCommit": "dff82dc0de47299ab66c83c626e08b245ab19037",
"minor": "19",
"gitVersion": "v1.19.4",
"gitCommit": "d360454c9bcd1634cf4cc52d1867af5491dc9c5f",
"gitTreeState": "clean",
"buildDate": "2020-07-15T16:51:04Z",
"goVersion": "go1.13.9",
"buildDate": "2020-11-11T13:09:17Z",
"goVersion": "go1.15.2",
"compiler": "gc",
"platform": "linux/amd64"
}

28
docs/09-bootstrapping-kubernetes-workers.md
View File

@ -49,13 +49,13 @@ sudo swapoff -a
```
wget -q --show-progress --https-only --timestamping \
https://github.com/kubernetes-sigs/cri-tools/releases/download/v1.18.0/crictl-v1.18.0-linux-amd64.tar.gz \
https://github.com/opencontainers/runc/releases/download/v1.0.0-rc91/runc.amd64 \
https://github.com/containernetworking/plugins/releases/download/v0.8.6/cni-plugins-linux-amd64-v0.8.6.tgz \
https://github.com/containerd/containerd/releases/download/v1.3.6/containerd-1.3.6-linux-amd64.tar.gz \
https://storage.googleapis.com/kubernetes-release/release/v1.18.6/bin/linux/amd64/kubectl \
https://storage.googleapis.com/kubernetes-release/release/v1.18.6/bin/linux/amd64/kube-proxy \
https://storage.googleapis.com/kubernetes-release/release/v1.18.6/bin/linux/amd64/kubelet
https://github.com/kubernetes-sigs/cri-tools/releases/download/v1.19.0/crictl-v1.19.0-linux-amd64.tar.gz \
https://github.com/opencontainers/runc/releases/download/v1.0.0-rc92/runc.amd64 \
https://github.com/containernetworking/plugins/releases/download/v0.8.7/cni-plugins-linux-amd64-v0.8.7.tgz \
https://github.com/containerd/containerd/releases/download/v1.4.2/containerd-1.4.2-linux-amd64.tar.gz \
https://storage.googleapis.com/kubernetes-release/release/v1.19.4/bin/linux/amd64/kubectl \
https://storage.googleapis.com/kubernetes-release/release/v1.19.4/bin/linux/amd64/kube-proxy \
https://storage.googleapis.com/kubernetes-release/release/v1.19.4/bin/linux/amd64/kubelet
```
Create the installation directories:
@ -75,9 +75,9 @@ Install the worker binaries:
```
{
mkdir containerd
tar -xvf crictl-v1.18.0-linux-amd64.tar.gz
tar -xvf containerd-1.3.6-linux-amd64.tar.gz -C containerd
sudo tar -xvf cni-plugins-linux-amd64-v0.8.6.tgz -C /opt/cni/bin/
tar -xvf crictl-v1.19.0-linux-amd64.tar.gz
tar -xvf containerd-1.4.2-linux-amd64.tar.gz -C containerd
sudo tar -xvf cni-plugins-linux-amd64-v0.8.7.tgz -C /opt/cni/bin/
sudo mv runc.amd64 runc
chmod +x crictl kubectl kube-proxy kubelet runc
sudo mv crictl kubectl kube-proxy kubelet runc /usr/local/bin/
@ -304,10 +304,10 @@ gcloud compute ssh controller-0 \
> output
```
NAME STATUS ROLES AGE VERSION
worker-0 Ready <none> 24s v1.18.6
worker-1 Ready <none> 24s v1.18.6
worker-2 Ready <none> 24s v1.18.6
NAME STATUS ROLES AGE VERSION
worker-0 Ready <none> 3m v1.19.4
worker-1 Ready <none> 3m v1.19.4
worker-2 Ready <none> 2m58s v1.19.4
```
Next: [Configuring kubectl for Remote Access](10-configuring-kubectl.md)

13
docs/10-configuring-kubectl.md
View File

@ -34,6 +34,12 @@ Generate a kubeconfig file suitable for authenticating as the `admin` user:
```
## Verification
---
**NOTE**
Although the `kubectl get componentstatues` still "works", the API has been deprecated as of Kubernetes v1.19
> [Release Notes](https://kubernetes.io/docs/setup/release/notes/#deprecation-1)
---
Check the health of the remote Kubernetes cluster:
@ -52,6 +58,7 @@ etcd-1 Healthy {"health":"true"}
etcd-2 Healthy {"health":"true"}
```
List the nodes in the remote Kubernetes cluster:
```
@ -62,9 +69,9 @@ kubectl get nodes
```
NAME STATUS ROLES AGE VERSION
worker-0 Ready <none> 2m30s v1.18.6
worker-1 Ready <none> 2m30s v1.18.6
worker-2 Ready <none> 2m30s v1.18.6
worker-0 Ready <none> 6m34s v1.19.4
worker-1 Ready <none> 6m34s v1.19.4
worker-2 Ready <none> 6m32s v1.19.4
```
Next: [Provisioning Pod Network Routes](11-pod-network-routes.md)

2
docs/12-dns-addon.md
View File

@ -7,7 +7,7 @@ In this lab you will deploy the [DNS add-on](https://kubernetes.io/docs/concepts
Deploy the `coredns` cluster add-on:
```
kubectl apply -f https://storage.googleapis.com/kubernetes-the-hard-way/coredns-1.7.0.yaml
kubectl apply -f https://storage.googleapis.com/kubernetes-the-hard-way/coredns-1.8.0.yaml
```
> output

2
docs/13-smoke-test.md
View File

@ -159,7 +159,7 @@ kubectl exec -ti $POD_NAME -- nginx -v
> output
```
nginx version: nginx/1.19.1
nginx version: nginx/1.19.5
```
## Services