Update initial-node-setup.sh

osuAkatsuki · Nov 17, 2023 · 5eb32e0 · 5eb32e0
1 parent 081c09a
commit 5eb32e0
Showing 1 changed file with 9 additions and 4 deletions.
diff --git a/initial-node-setup.sh b/initial-node-setup.sh
@@ -1,10 +1,16 @@
+#!/usr/bin/env bash
+set -euxo pipefail
+
+# make sure this all runs noninteractively
 export DEBIAN_FRONTEND=noninteractive
 sudo apt -y remove needrestart
 
+# update/upgrade the system
 sudo apt update && sudo apt dist-upgrade -y
 sudo apt install -y apt-transport-https ca-certificates curl gpg
 
-curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.28/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
+# Install k8s tooling (kubelet, kubeadm, kubectl)
+curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.28/deb/Release.key | sudo gpg --yes --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:/v1.28/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
 sudo apt-get update
 sudo apt-get install -y kubelet kubeadm kubectl
@@ -14,7 +20,7 @@ sudo apt-mark hold kubelet kubeadm kubectl
 sudo apt-get update
 sudo apt-get install -y ca-certificates curl gnupg
 sudo install -m 0755 -d /etc/apt/keyrings
-curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --yes --dearmor -o /etc/apt/keyrings/docker.gpg
 sudo chmod a+r /etc/apt/keyrings/docker.gpg
 
 # Add the repository to Apt sources
@@ -23,9 +29,9 @@ echo \
   "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
   sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
 sudo apt-get update
-
 sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 
+# Setup cri-dockerd
 cd /tmp
 wget https://github.com/Mirantis/cri-dockerd/releases/download/v0.3.7/cri-dockerd-0.3.7.amd64.tgz
 tar -xvf cri-dockerd-0.3.7.amd64.tgz
@@ -37,5 +43,4 @@ sudo sed -i -e 's,/usr/bin/cri-dockerd,/usr/local/bin/cri-dockerd,' /etc/systemd
 sudo systemctl daemon-reload
 sudo systemctl enable cri-docker.service
 sudo systemctl enable --now cri-docker.socket
-
 sudo kubeadm config images pull --cri-socket /run/cri-dockerd.sock