mertcakmak2 / Kubernetes-InstallationWithAnsible

Kubernetes installation with Ansible.

Kubernetes-InstallationWithAnsible

master ubuntu server ip=> 164.92.244.231

worker ubuntu server ip=> 164.92.246.143

Ansible Kurulumu

sudo apt update

sudo apt install software-properties-common -y

sudo apt install ansible -y

SSH Keygen oluşturma ve oluşan keygeni Master, Worker Makinelerine kopyalama

ssh-keygen -q -f ~/.ssh/id_rsa -N ""

ssh-copy-id root@164.92.246.143 Worker sunucusuna kopyalama işlemi

ssh-copy-id root@164.92.244.231 Master sunucusuna kopyalama işlemi

Ansible ile Yaml dosyalarını kullanarak kubernetes kurulumu

ansible-playbook -i hosts users.yml

ansible-playbook -i hosts install-k8s.yml

ansible-playbook -i hosts master.yml

ansible-playbook -i hosts join-workers.yml

Olası hatalar

1. Calico için kubeadm, kubectl ve kubelet versiyonu 1.21 yada üstü olmalı (install-k8s.yml install kubernetes adımı)

2. kubectl get nodes sonrası "The connection to the server localhost:8080 was refused - did you specify the right host or port?"

hatası çözümü:

Kaynak: https://k21academy.com/docker-kubernetes/the-connection-to-the-server-localhost8080-was-refused/

cp /etc/kubernetes/admin.conf $HOME/

chown $(id -u):$(id -g) $HOME/admin.conf

export KUBECONFIG=$HOME/admin.conf

echo 'export KUBECONFIG=$HOME/admin.conf' >> $HOME/.bashrc

Başka bir alternatif çözüm

https://discuss.kubernetes.io/t/the-connection-to-the-server-localhost-8080-was-refused-did-you-specify-the-right-host-or-port/1464/2

mkdir -p $HOME/.kube

sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config

sudo chown $(id -u):$(id -g) $HOME/.kube/config