Update file kubernetes_installation.md

kubernetes_installation.md

@@ -46,6 +46,7 @@ Vérification :
 ```bash
 free -h
 ```
+verifier si la colonne echange est bien a 0.
 
 ## 4. Configuration Système pour Kubernetes
 
@@ -59,6 +60,7 @@ EOF
 
 modprobe overlay 
 modprobe br_netfilter
+echo -e overlay\\nbr_netfilter > /etc/modules-load.d/k8s.conf 
 
 cat <<EOF | tee /etc/sysctl.d/99-kubernetes-k8s.conf
 net.bridge.bridge-nf-call-iptables = 1
@@ -68,12 +70,39 @@ EOF
 
 sysctl --system
 ```
+Cela va permettre de charger les modules necessaires au fonctionnement de kubernetes
 
 ## 5. Installation de Containerd
 
 ```bash
-apt -y install containerd
+apt -y install containerd iptables apt-transport-https gnupg2 curl sudo 
 containerd config default | tee /etc/containerd/config.toml >/dev/null 2>&1
+nano /etc/containerd/config.toml 
+```
+
+Il faut par la suite modifier le fichier a la ligne 61 :
+```bash
+sandbox_image = "registry.k8s.io/pause:3.9"
+```
+et ligne 125 : 
+```bash
+SystemdCgroup = true
+```
+
+Puis redemarrer le service : 
+```bash
+systemctl restart  containerd.service 
+```
+
+## 6. passer sur iptables legacy
+
+- Il faut passer sur la regle iptables-legacy :
+```bash
+Selection    Path                       Priority   Status
+------------------------------------------------------------
+* 0            /usr/sbin/iptables-nft      20        auto mode
+  1            /usr/sbin/iptables-legacy   10        manual mode
+  2            /usr/sbin/iptables-nft      20        manual mode
 ```
 
 ## 6. Installation de Kubernetes (Kubeadm, Kubelet, Kubectl)
@@ -88,7 +117,7 @@ ln -s /opt/cni/bin /usr/lib/cni
 
 ## 7. Initialisation du Cluster Kubernetes
 
-Sur **le master (kube01)** :
+Sur **le master (kube01) UNIQUEMENT** :
 
 ```bash
 kubeadm init --control-plane-endpoint=192.168.10.10 --pod-network-cidr=10.244.0.0/16
@@ -96,18 +125,39 @@ kubeadm init --control-plane-endpoint=192.168.10.10 --pod-network-cidr=10.244.0.
 
 Post-initialisation :
 
+- Apres l'initiation du master, nous avons ce message qu'il faut conserver :
 ```bash
+Your Kubernetes control-plane has initialized successfully!
+
+To start using your cluster, you need to run the following as a regular user:
+
   mkdir -p $HOME/.kube
-cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
-chown $(id -u):$(id -g) $HOME/.kube/config
-```
+  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
+  sudo chown $(id -u):$(id -g) $HOME/.kube/config
 
-Si root :
+Alternatively, if you are the root user, you can run:
 
-```bash
   export KUBECONFIG=/etc/kubernetes/admin.conf
+
+You should now deploy a pod network to the cluster.
+Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at:
+  https://kubernetes.io/docs/concepts/cluster-administration/addons/
+
+Then you can join any number of worker nodes by running the following on each as root:
+
+kubeadm join 192.168.10.10:6443 --token 9yu8eq.hluhrzkufar4s07z \
+        --discovery-token-ca-cert-hash sha256:21820cff2482dda0ce25e234f5fc2e6a5d2676bd14ca08cf1c457eba2a3583b2
+
 ```
 
+Mise en place des droits du cluster pour l'admin :
+```bash
+mkdir -p $HOME/.kube
+cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
+chown $(id -u):$(id -g) $HOME/.kube/config 
+```
+
+
 ## 8. Ajout des Workers
 
 Sur **chaque worker** :