prueba completa

1.instala_kubernetes.sh

@@ -54,6 +54,7 @@ sudo apt install containerd.io -y
 # sudo mkdir -p /etc/containerd
 sudo containerd config default|sudo tee /etc/containerd/config.toml >/dev/null 2>&1
 sudo sed -i 's/SystemdCgroup \= false/SystemdCgroup \= true/g' /etc/containerd/config.toml
+sudo sed -i 's/pause:3.8/pause:3.10/g' /etc/containerd/config.toml
 
 # restart containerd
 sudo systemctl restart containerd
@@ -65,13 +66,13 @@ echo "Agregando el repositorio de Kubernetes..."
 ### sudo apt-get install apt-transport-https ca-certificates curl -y
 # If the folder `/etc/apt/keyrings` does not exist, it should be created before the curl command, read the note below.
 # sudo mkdir -p -m 755 /etc/apt/keyrings
-curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.30/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/k8s.gpg
+##### curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.30/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/k8s.gpg
-##### curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.32/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
+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/k8s.gpg] https://pkgs.k8s.io/core:/stable:/v1.30/deb/ /' | sudo tee /etc/apt/sources.list.d/k8s.list
+##### echo 'deb [signed-by=/etc/apt/keyrings/k8s.gpg] https://pkgs.k8s.io/core:/stable:/v1.30/deb/ /' | sudo tee /etc/apt/sources.list.d/k8s.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
+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
 
 

2.levanta_cluster.sh

@@ -6,7 +6,7 @@ USER="curso" # Usuario con acceso sudo
 
 
 echo "Inicializando el nodo maestro..."
-sudo kubeadm init --control-plane-endpoint=k8scp
+sudo kubeadm init --control-plane-endpoint=k8scp --upload-certs --pod-network-cidr=172.24.0.0/16
 
 
 # sudo kubeadm init --pod-network-cidr=174.24.0.0/16 --cri-socket=unix:///run/containerd/containerd.sock --upload-certs --control-plane-endpoint=k8scp

3.instala_calico.sh

@@ -1,25 +1,31 @@
 #!/bin/bash
 
-# Variables
+# instala con operator -ok-
 
-kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.29.1/manifests/calico.yaml
+curl -O 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 -i 's/192.168.0.0/172.24.0.0/g' custom-resources.yaml
 
 
-
+kubectl create -f tigera-operator.yaml
-
-# Instalar red de pods (Calico)
-echo "Instalando la red de pods (Calico)..."
-
-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 get pods -A
+
+
+### kubectl get pods -A -w
+
+
+
+
+
+## instala con manifest -deprecated-
+
+# kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.29.1/manifests/calico.yaml
+
+#### wget https://raw.githubusercontent.com/projectcalico/calico/v3.29.1/manifests/calico.yaml
+#### sed -ie 's/192.168.0.0/172.24.0.0/g' calico.yaml
 
-# kubectl apply -f https://docs.projectcalico.org/v3.25/manifests/calico.yaml
 
-## kubectl get pods --all-namespaces -w

4.prueba_k8s.sh

@@ -7,6 +7,19 @@ kubectl create deployment nginx-app --image nginx --replicas 2 --namespace demo-
 kubectl get deployment -n demo-app
 kubectl get pods -n demo-app
 
+
+kubectl expose deployment nginx-app -n demo-app --type NodePort --port 80
+kubectl get svc -n demo-app
+
+# poner la IP obtenida
+#### curl http://<Any-worker-IP>:<puerto>
+
+curl http://localhost:30336
+
+
+
+
+
 kubectl run test-pod2 --image=busybox -- sleep 3600
 
 kubectl create deployment gitea-app2 --image gitea/gitea:latest --replicas 2 --namespace demo-app

5.autocomplete_in_bash.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+echo 'source <(kubectl completion bash)' >>~/.bashrc
+
+# Reload sourcefile again (located on home)
+source .bashrc 
+

6.borra_cluster.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Variables
+
+sudo kubeadm reset -f
+
+sudo rm -rf /etc/cni/net.d
+
+sudo ip link show | grep cni
+sudo ip link delete <nombre-del-bridge>
+
+sudo rm -rf /var/lib/kubelet /var/lib/dockershim /var/lib/etcd /var/lib/cni
+
+
+

README.md

@@ -1,4 +1,11 @@
 # infra_cloudinit
 
+https://pabpereza.notion.site/Install-kubernetes-1-28-on-Ubuntu-Server-20-04-LTS-6f8d28eadb6242f0a78c40eaa0211167
+
+https://medium.com/@pabloperezaradros/install-kubernetes-1-28-e42ad9194d4f
+
+
 https://www.linuxtechi.com/install-kubernetes-on-ubuntu-24-04/
 
+
+