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fix: Cluster setup scripts #76

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fix: Cluster setup scripts #76

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3c1c550
fix: Script fixes
blacksd Aug 18, 2024
507415f
chore: fix README
blacksd Aug 18, 2024
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6 changes: 4 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -42,9 +42,11 @@ gcloud compute instances create cks-master --zone=europe-west3-c \
#### Configure
```
sudo -i
bash <(curl -s https://raw.githubusercontent.com/killer-sh/cks-course-environment/master/cluster-setup/latest/install_master.sh)
wget -qO- https://raw.githubusercontent.com/killer-sh/cks-course-environment/master/cluster-setup/latest/install_master.sh | bash
```

you can optionally set the `POD_NETWORK_CIDR` env var (like `export POD_NETWORK_CIDR="172.16.0.0/12"`) to change the Pod network from the default CIDR of `192.168.0.0/16`.

### Setup cks-worker

#### Create VM
Expand All @@ -68,7 +70,7 @@ gcloud compute instances create cks-worker --zone=europe-west3-c \
#### Configure
```
sudo -i
bash <(curl -s https://raw.githubusercontent.com/killer-sh/cks-course-environment/master/cluster-setup/latest/install_worker.sh)
wget -qO- https://raw.githubusercontent.com/killer-sh/cks-course-environment/master/cluster-setup/latest/install_worker.sh | bash
```

### Connect to cluster
Expand Down
16 changes: 11 additions & 5 deletions cluster-setup/latest/install_master.sh
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Original file line number Diff line number Diff line change
@@ -1,9 +1,14 @@
#!/bin/sh
#!/usr/bin/env bash

# Source: http://kubernetes.io/docs/getting-started-guides/kubeadm

set -e

if [ "$UID" -ne 0 ]; then
echo "This script must be executed as root. Exiting."
exit 1
fi

source /etc/lsb-release
if [ "$DISTRIB_RELEASE" != "20.04" ]; then
echo "################################# "
Expand All @@ -16,6 +21,7 @@ if [ "$DISTRIB_RELEASE" != "20.04" ]; then
read
fi

POD_NETWORK_CIDR=${POD_NETWORK_CIDR:-"192.168.0.0/16"}
KUBE_VERSION=1.30.3

# get platform
Expand All @@ -33,7 +39,7 @@ fi

### setup terminal
apt-get --allow-unauthenticated update
apt-get --allow-unauthenticated install -y bash-completion binutils
apt-get --allow-unauthenticated install -y bash-completion binutils curl
echo 'colorscheme ron' >> ~/.vimrc
echo 'set tabstop=2' >> ~/.vimrc
echo 'set shiftwidth=2' >> ~/.vimrc
Expand Down Expand Up @@ -62,8 +68,8 @@ systemctl daemon-reload

### install podman
. /etc/os-release
echo "deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:testing.list
curl -L "http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/Release.key" | sudo apt-key add -
echo "deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${DISTRIB_RELEASE}/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:testing.list
curl -L "http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${DISTRIB_RELEASE}/Release.key" | sudo apt-key add -
apt-get update -qq
apt-get -qq -y install podman cri-tools containers-common
rm /etc/apt/sources.list.d/devel:kubic:libcontainers:testing.list
Expand Down Expand Up @@ -181,7 +187,7 @@ systemctl enable kubelet && systemctl start kubelet

### init k8s
rm /root/.kube/config || true
kubeadm init --kubernetes-version=${KUBE_VERSION} --ignore-preflight-errors=NumCPU --skip-token-print --pod-network-cidr 192.168.0.0/16
kubeadm init --kubernetes-version=${KUBE_VERSION} --ignore-preflight-errors=NumCPU --skip-token-print --pod-network-cidr ${POD_NETWORK_CIDR}

mkdir -p ~/.kube
sudo cp -i /etc/kubernetes/admin.conf ~/.kube/config
Expand Down
13 changes: 9 additions & 4 deletions cluster-setup/latest/install_worker.sh
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Original file line number Diff line number Diff line change
@@ -1,9 +1,14 @@
#!/bin/sh
#!/usr/bin/env bash

# Source: http://kubernetes.io/docs/getting-started-guides/kubeadm

set -e

if [ "$UID" -ne 0 ]; then
echo "This script must be executed as root. Exiting."
exit 1
fi

source /etc/lsb-release
if [ "$DISTRIB_RELEASE" != "20.04" ]; then
echo "################################# "
Expand Down Expand Up @@ -33,7 +38,7 @@ fi

### setup terminal
apt-get --allow-unauthenticated update
apt-get --allow-unauthenticated install -y bash-completion binutils
apt-get --allow-unauthenticated install -y bash-completion binutils curl
echo 'colorscheme ron' >> ~/.vimrc
echo 'set tabstop=2' >> ~/.vimrc
echo 'set shiftwidth=2' >> ~/.vimrc
Expand Down Expand Up @@ -62,8 +67,8 @@ systemctl daemon-reload

### install podman
. /etc/os-release
echo "deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:testing.list
curl -L "http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/Release.key" | sudo apt-key add -
echo "deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${DISTRIB_RELEASE}/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:testing.list
curl -L "http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${DISTRIB_RELEASE}/Release.key" | sudo apt-key add -
apt-get update -qq
apt-get -qq -y install podman cri-tools containers-common
rm /etc/apt/sources.list.d/devel:kubic:libcontainers:testing.list
Expand Down