prueba 002

instala_kubernetes.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # Variables
-KUBERNETES_VERSION="1.28.2-00" # Cambia por la versión que necesites
+#KUBERNETES_VERSION="1.28.2-00" # Cambia por la versión que necesites
 USER="curso" # Usuario con acceso sudo
 
 # Actualizar sistema
@@ -16,19 +16,60 @@ sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
 # Configurar el repositorio de Kubernetes
 echo "Agregando el repositorio de Kubernetes..."
 sudo apt-get install -y apt-transport-https ca-certificates curl
-curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmor -o /usr/share/keyrings/kubernetes-archive-keyring.gpg
+# If the folder `/etc/apt/keyrings` does not exist, it should be created before the curl command, read the note below.
-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
+# sudo mkdir -p -m 755 /etc/apt/keyrings
+curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.32/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
+sudo chmod 644 /etc/apt/keyrings/kubernetes-apt-keyring.gpg # allow unprivileged APT programs to read this keyring
+
+# This overwrites any existing configuration in /etc/apt/sources.list.d/kubernetes.list
+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
+sudo chmod 644 /etc/apt/sources.list.d/kubernetes.list   # helps tools such as command-not-found to work correctly
+
+
+#curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmor -o /usr/share/keyrings/kubernetes-archive-keyring.gpg
+#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
 
 # Instalar Kubernetes
 echo "Instalando Kubernetes (kubeadm, kubelet, kubectl)..."
 sudo apt-get update
-sudo apt-get install -y kubelet=$KUBERNETES_VERSION kubeadm=$KUBERNETES_VERSION kubectl=$KUBERNETES_VERSION
+#sudo apt-get install -y kubelet=$KUBERNETES_VERSION kubeadm=$KUBERNETES_VERSION kubectl=$KUBERNETES_VERSION
+sudo apt-get install -y kubelet kubeadm kubectl
 sudo apt-mark hold kubelet kubeadm kubectl
 
 # Habilitar módulos necesarios para Kubernetes
 echo "Habilitando módulos del kernel..."
 sudo modprobe overlay
-sudo modprobe br_netfilter
+sudo modprobe br_netfilters
+
+
+# Configure persistent loading of modules
+sudo tee /etc/modules-load.d/containerd.conf <<EOF
+overlay
+br_netfilter
+EOF
+
+
+# Install required packages
+sudo apt install -y curl gnupg2 software-properties-common apt-transport-https ca-certificates
+
+# Add Docker repo
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/docker-archive-keyring.gpg
+
+sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+
+# Install containerd
+sudo apt update
+sudo apt install -y containerd.io
+
+# Configure containerd and start service
+sudo mkdir -p /etc/containerd
+sudo containerd config default|sudo tee /etc/containerd/config.toml
+
+# restart containerd
+sudo systemctl restart containerd
+sudo systemctl enable containerd
+systemctl status  containerd
+
 
 cat <<EOF | sudo tee /etc/sysctl.d/kubernetes.conf
 net.bridge.bridge-nf-call-ip6tables = 1
@@ -48,3 +89,6 @@ containerd config default | sudo tee /etc/containerd/config.toml
 sudo sed -i 's/SystemdCgroup = false/SystemdCgroup = true/' /etc/containerd/config.toml
 sudo systemctl restart containerd
 sudo systemctl enable containerd
+
+sudo kubeadm config images pull
+

levanta_cluster.sh

@@ -1,14 +1,13 @@
 #!/bin/bash
 
 # Variables
-KUBERNETES_VERSION="1.28.2-00" # Cambia por la versión que necesites
 USER="curso" # Usuario con acceso sudo
 
 # Inicializar el nodo maestro (opcional)
 read -p "¿Quieres inicializar el nodo maestro ahora? (y/n): " INIT_MASTER
 if [ "$INIT_MASTER" == "y" ]; then
     echo "Inicializando el nodo maestro..."
-    sudo kubeadm init --pod-network-cidr=192.168.0.0/16
+    sudo kubeadm init --pod-network-cidr=174.24.0.0/16 --cri-socket=unix:///run/containerd/containerd.sock --upload-certs --control-plane-endpoint=k8scp
 
     # Configurar kubectl para el usuario
     echo "Configurando kubectl para el usuario $USER..."
@@ -18,7 +17,20 @@ if [ "$INIT_MASTER" == "y" ]; then
 
     # Instalar red de pods (Calico)
     echo "Instalando la red de pods (Calico)..."
-    kubectl apply -f https://docs.projectcalico.org/v3.25/manifests/calico.yaml
+
+    kubectl create -f https://raw.githubusercontent.com/projectcalico/calico/v3.29.1/manifests/tigera-operator.yaml
+    curl -O https://raw.githubusercontent.com/projectcalico/calico/v3.29.1/manifests/custom-resources.yaml    
+    sed -ie 's/192.168.0.0/172.24.0.0/g' custom-resources.yaml
+    kubectl create -f custom-resources.yaml
+
+    # curl -O https://raw.githubusercontent.com/projectcalico/calico/v3.26.1/manifests/tigera-operator.yaml
+    # curl -O https://raw.githubusercontent.com/projectcalico/calico/v3.26.1/manifests/custom-resources.yaml
+
+    # kubectl create -f tigera-operator.yaml
+
+    # kubectl apply -f https://docs.projectcalico.org/v3.25/manifests/calico.yaml
+
+    ## kubectl get pods --all-namespaces -w
 else
     echo "Nodo maestro no inicializado. Ejecuta 'kubeadm init' manualmente si deseas configurarlo más tarde."
 fi