95 lines
3.5 KiB
Bash
Executable File
95 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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# Variables
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#KUBERNETES_VERSION="1.28.2-00" # Cambia por la versión que necesites
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USER="curso" # Usuario con acceso sudo
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# Actualizar sistema
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echo "Actualizando el sistema..."
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sudo apt-get update && sudo apt-get upgrade -y
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# Desactivar swap (requisito de Kubernetes)
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echo "Desactivando swap..."
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sudo swapoff -a
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sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
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# Configurar el repositorio de Kubernetes
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echo "Agregando el repositorio de Kubernetes..."
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sudo apt-get install apt-transport-https ca-certificates curl -y
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# If the folder `/etc/apt/keyrings` does not exist, it should be created before the curl command, read the note below.
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# sudo mkdir -p -m 755 /etc/apt/keyrings
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curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.32/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
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sudo chmod 644 /etc/apt/keyrings/kubernetes-apt-keyring.gpg # allow unprivileged APT programs to read this keyring
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# This overwrites any existing configuration in /etc/apt/sources.list.d/kubernetes.list
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echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.32/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
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sudo chmod 644 /etc/apt/sources.list.d/kubernetes.list # helps tools such as command-not-found to work correctly
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#curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmor -o /usr/share/keyrings/kubernetes-archive-keyring.gpg
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#echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
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# Instalar Kubernetes
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echo "Instalando Kubernetes (kubeadm, kubelet, kubectl)..."
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sudo apt-get update
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#sudo apt-get install -y kubelet=$KUBERNETES_VERSION kubeadm=$KUBERNETES_VERSION kubectl=$KUBERNETES_VERSION
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sudo apt-get install kubelet kubeadm kubectl -y
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sudo apt-mark hold kubelet kubeadm kubectl
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# Habilitar módulos necesarios para Kubernetes
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echo "Habilitando módulos del kernel..."
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sudo modprobe overlay
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sudo modprobe br_netfilters
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# Configure persistent loading of modules
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sudo tee /etc/modules-load.d/containerd.conf <<EOF
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overlay
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br_netfilter
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EOF
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# Install required packages
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sudo apt install -y curl gnupg2 software-properties-common apt-transport-https ca-certificates
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# Add Docker repo
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curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/docker-archive-keyring.gpg
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sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
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# Install containerd
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sudo apt update
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sudo apt install -y containerd.io
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# Configure containerd and start service
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sudo mkdir -p /etc/containerd
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sudo containerd config default|sudo tee /etc/containerd/config.toml
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# restart containerd
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sudo systemctl restart containerd
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sudo systemctl enable containerd
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systemctl status containerd
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cat <<EOF | sudo tee /etc/sysctl.d/kubernetes.conf
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net.bridge.bridge-nf-call-ip6tables = 1
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net.bridge.bridge-nf-call-iptables = 1
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net.ipv4.ip_forward = 1
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EOF
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sudo sysctl --system
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# Instalar containerd
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echo "Instalando containerd..."
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sudo apt-get install -y containerd
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sudo mkdir -p /etc/containerd
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containerd config default | sudo tee /etc/containerd/config.toml
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# Configurar containerd para usar systemd como driver de cgroup
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sudo sed -i 's/SystemdCgroup = false/SystemdCgroup = true/' /etc/containerd/config.toml
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sudo systemctl restart containerd
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sudo systemctl enable containerd
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sudo kubeadm config images pull
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