Installazione KuberAltro - Cronologia

Admin il 20:46, 19 mag 2024

2024-05-19T20:46:53Z

← Versione meno recente		Versione delle 20:46, 19 mag 2024
Riga 100:		Riga 100:

	es. curl -sfL https://get.k3s.io \| K3S_URL=https://172.16.1.200:6443 K3S_TOKEN=K10abcde12345fghijklmnopqrstuv sh -		es. curl -sfL https://get.k3s.io \| K3S_URL=https://172.16.1.200:6443 K3S_TOKEN=K10abcde12345fghijklmnopqrstuv sh -


			[root@kuber01 ~]# curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
			[root@kuber01 ~]# chmod 700 get_helm.sh
			[root@kuber01 ~]# ./get_helm.sh
			[WARNING] Could not find git. It is required for plugin installation.
			Downloading https://get.helm.sh/helm-v3.15.0-linux-amd64.tar.gz
			Verifying checksum... Done.
			Preparing to install helm into /usr/local/bin
			helm installed into /usr/local/bin/helm

Admin il 20:34, 19 mag 2024

2024-05-19T20:34:05Z

← Versione meno recente		Versione delle 20:34, 19 mag 2024
Riga 20:		Riga 20:
	dnf install wget -y;		dnf install wget -y;
	dnf install -y iproute-tc;		dnf install -y iproute-tc;
	dnf install dnsutils -y;		dnf install dnsutils -y
	sudo yum install -y yum-utils;		sudo yum install -y yum-utils;
	reboot		reboot
Riga 35:		Riga 35:
	172.16.1.200 kuber01 kuber01.gazzi.net		172.16.1.200 kuber01 kuber01.gazzi.net
	172.16.1.201 kuber02 kuber02.gazzi.net		172.16.1.201 kuber02 kuber02.gazzi.net
	~~172.16.1.202 kuber03 kuber03.gazzi.net~~
	~~172.16.1.203 kuber04 kuber04.gazzi.net~~

	abilitare:		abilitare:
Riga 54:		Riga 52:

	sudo k3s server --disable traefik		sudo k3s server --disable traefik



	~~curl -sfL https://get.k3s.io \| K3S_URL=https://172.16.1.200:6443 K3S_TOKEN=K10a09b4a109c9199f17d504075857414ab2163e17bb8cad8279d6b6a7b4ff25de4::server:87a58a906c916c5b5dcc42887fb93230 sh -~~

	Rancher:		Rancher:
Riga 97:		Riga 91:

	http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/		http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/


			---------Aggiunta nodo-

			sudo cat /var/lib/rancher/k3s/server/node-token

			curl -sfL https://get.k3s.io \| K3S_URL=https://172.16.1.200:6443 K3S_TOKEN=K10abcde12345fghijklmnopqrstuv sh -

			es. curl -sfL https://get.k3s.io \| K3S_URL=https://172.16.1.200:6443 K3S_TOKEN=K10abcde12345fghijklmnopqrstuv sh -

Admin il 20:23, 19 mag 2024

2024-05-19T20:23:10Z

← Versione meno recente		Versione delle 20:23, 19 mag 2024
Riga 35:		Riga 35:
	172.16.1.200 kuber01 kuber01.gazzi.net		172.16.1.200 kuber01 kuber01.gazzi.net
	172.16.1.201 kuber02 kuber02.gazzi.net		172.16.1.201 kuber02 kuber02.gazzi.net
			172.16.1.202 kuber03 kuber03.gazzi.net
			172.16.1.203 kuber04 kuber04.gazzi.net

	abilitare:		abilitare:

Admin il 20:20, 19 mag 2024

2024-05-19T20:20:32Z

← Versione meno recente		Versione delle 20:20, 19 mag 2024
Riga 20:		Riga 20:
	dnf install wget -y;		dnf install wget -y;
	dnf install -y iproute-tc;		dnf install -y iproute-tc;
	dnf install dnsutils -y		dnf install dnsutils -y;
	sudo yum install -y yum-utils;		sudo yum install -y yum-utils;
	reboot		reboot

Admin il 19:29, 19 mag 2024

2024-05-19T19:29:54Z

← Versione meno recente		Versione delle 19:29, 19 mag 2024
Riga 52:		Riga 52:

	sudo k3s server --disable traefik		sudo k3s server --disable traefik



			curl -sfL https://get.k3s.io \| K3S_URL=https://172.16.1.200:6443 K3S_TOKEN=K10a09b4a109c9199f17d504075857414ab2163e17bb8cad8279d6b6a7b4ff25de4::server:87a58a906c916c5b5dcc42887fb93230 sh -

	Rancher:		Rancher:

Admin il 18:03, 19 mag 2024

2024-05-19T18:03:56Z

← Versione meno recente		Versione delle 18:03, 19 mag 2024
Riga 52:		Riga 52:

	sudo k3s server --disable traefik		sudo k3s server --disable traefik

			Rancher:

			docker run -d --restart=unless-stopped -p 80:80 -p 443:443 --name rancher rancher/rancher:latest

			Kubernetes Dashboard:

			kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.6.0/aio/deploy/recommended.yaml



			# dashboard-adminuser.yaml
			apiVersion: v1
			kind: ServiceAccount
			metadata:
			name: admin-user
			namespace: kubernetes-dashboard
			---
			apiVersion: rbac.authorization.k8s.io/v1
			kind: ClusterRoleBinding
			metadata:
			name: admin-user
			roleRef:
			apiGroup: rbac.authorization.k8s.io
			kind: ClusterRole
			name: cluster-admin
			subjects:
			- kind: ServiceAccount
			name: admin-user
			namespace: kubernetes-dashboard


			kubectl apply -f dashboard-adminuser.yaml

			kubectl -n kubernetes-dashboard create token admin-user

			kubectl proxy

			http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/

Admin il 17:45, 19 mag 2024

2024-05-19T17:45:59Z

← Versione meno recente		Versione delle 17:45, 19 mag 2024
Riga 40:		Riga 40:
	sudo sed -i 's/^disabled_plugins = \["cri"\]$/enabled_plugins = \["cri"\]/' /etc/containerd/config.toml		sudo sed -i 's/^disabled_plugins = \["cri"\]$/enabled_plugins = \["cri"\]/' /etc/containerd/config.toml
	reboot		reboot


			curl -sfL https://get.k3s.io \| sh -
			sudo systemctl status k3s
			export KUBECONFIG=/etc/rancher/k3s/k3s.yaml
			echo 'export KUBECONFIG=/etc/rancher/k3s/k3s.yaml' >> ~/.bashrc
			source ~/.bashrc


			Da Verificare:

			sudo k3s server --disable traefik

Admin il 17:35, 19 mag 2024

2024-05-19T17:35:41Z

← Versione meno recente		Versione delle 17:35, 19 mag 2024
Riga 39:		Riga 39:

	sudo sed -i 's/^disabled_plugins = \["cri"\]$/enabled_plugins = \["cri"\]/' /etc/containerd/config.toml		sudo sed -i 's/^disabled_plugins = \["cri"\]$/enabled_plugins = \["cri"\]/' /etc/containerd/config.toml





	~~FATE SNAP!!~~

	reboot		reboot


	~~# This overwrites any existing configuration in /etc/yum.repos.d/kubernetes.repo~~
	~~cat <<EOF \| sudo tee /etc/yum.repos.d/kubernetes.repo~~
	~~[kubernetes]~~
	~~name=Kubernetes~~
	~~baseurl=https://pkgs.k8s.io/core:/stable:/v1.30/rpm/~~
	~~enabled=1~~
	~~gpgcheck=1~~
	~~gpgkey=https://pkgs.k8s.io/core:/stable:/v1.30/rpm/repodata/repomd.xml.key~~
	~~exclude=kubelet kubeadm kubectl cri-tools kubernetes-cni~~
	~~EOF~~

	~~sudo yum install -y kubelet kubeadm kubectl --disableexcludes=kubernetes~~
	~~sudo systemctl enable --now kubelet~~

	~~sudo modprobe overlay~~
	~~sudo modprobe br_netfilter~~



	~~sudo sysctl --system~~

	~~sudo reboot~~

	~~ATTENZIONE SOLO SUL NODO PRINCIPALE:~~

	~~kubeadm init (attenzione mettete l'opzione dell'ip)~~



	~~kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml~~


	~~--ngix--provate--~~


	~~kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.14.5/config/manifests/metallb-native.yaml~~

	~~kubectl create secret generic -n metallb-system memberlist --from-literal=secretkey="$(openssl rand -base64 128)"~~

	~~Crea un file metallb-config.yaml~~

	~~apiVersion: metallb.io/v1beta1~~
	~~kind: IPAddressPool~~
	~~metadata:~~
	~~name: first-pool~~
	~~namespace: metallb-system~~
	~~spec:~~
	~~addresses:~~
	~~- 172.16.1.150-172.16.1.160~~



	~~kubectl apply -f metallb-config.yaml~~

	~~Crea un file YAML per il deployment di Nginx, chiamato nginx-deployment.yaml:~~

	~~apiVersion: apps/v1~~
	~~kind: Deployment~~
	~~metadata:~~
	~~name: nginx-deployment~~
	~~spec:~~
	~~replicas: 3~~
	~~selector:~~
	~~matchLabels:~~
	~~app: nginx~~
	~~template:~~
	~~metadata:~~
	~~labels:~~
	~~app: nginx~~
	~~spec:~~
	~~containers:~~
	~~- name: nginx~~
	~~image: nginx:latest~~
	~~ports:~~
	~~- containerPort: 80~~

	~~kubectl apply -f nginx-deployment.yaml~~


	~~Crea un file YAML per il servizio, chiamato nginx-service.yaml:~~

	~~apiVersion: v1~~
	~~kind: Service~~
	~~metadata:~~
	~~name: nginx-service~~
	~~spec:~~
	~~type: LoadBalancer~~
	~~loadBalancerIP: 172.16.1.150 # IP statico desiderato~~
	~~selector:~~
	~~app: nginx~~
	~~ports:~~
	~~- protocol: TCP~~
	~~port: 80~~
	~~targetPort: 80~~


	~~kubectl apply -f nginx-service.yaml~~


	~~--- aGGIUNGERE ALTRO NODO:~~

	~~da /root/.kube~~

	~~scp config root@172.16.1.201:$PWD~~


	~~guardare: https://www.youtube.com/watch?v=zNbqxPRTjFg~~

	~~https://goteleport.com/blog/troubleshooting-kubernetes-networking/~~

	~~https://kube-vip.io/docs/troubleshooting/arp/~~

Admin il 17:34, 19 mag 2024

2024-05-19T17:34:37Z

← Versione meno recente		Versione delle 17:34, 19 mag 2024
Riga 38:		Riga 38:
	abilitare:		abilitare:

	sudo sed -i 's/^disabled_plugins$/enabled_plugins/' /etc/containerd/config.toml;		sudo sed -i 's/^disabled_plugins = \["cri"\]$/enabled_plugins = \["cri"\]/' /etc/containerd/config.toml

Admin il 17:31, 19 mag 2024

2024-05-19T17:31:22Z

← Versione meno recente		Versione delle 17:31, 19 mag 2024
Riga 38:		Riga 38:
	abilitare:		abilitare:

	sudo sed -i 's/^disabled_plugins$/enabled_plugins/' /etc/containerd~~/config~~/config.toml;		sudo sed -i 's/^disabled_plugins$/enabled_plugins/' /etc/containerd/config.toml;