updated README.md

README.md

-Prerequisites:
-terraform
+## Prerequisites:
+- terraform - [install](https://developer.hashicorp.com/terraform/tutorials/aws-get-started/install-cli)</br>
+- ansible - [install](https://docs.ansible.com/ansible/latest/installation_guide/intro_installation.html#pip-install) (2.14.0 < ansible version < 2.15.0 required)</br>
+- Form to access group project - https://projects.cloud.muni.cz/
 
-pip requirments.txt
+## 1. group project (quotas?)
+Request project via [form](https://projects.cloud.muni.cz/).
 
+## 2. create openstack application credentials
+ - On tab Identity > Application Credentials
+ - \+ Create Application Credential
+ - Give a name > Create Applicaiton Credential
+ - Download file! (The application credential secret will not be available after closing this page, so you must capture it now or download it. If you lose this secret, you must generate a new application credential)
+
+## 3. git clone kubernetes-infra-example
+```
+git clone git@gitlab.ics.muni.cz:cloud/kubernetes/kubernetes-infra-example.git
+```
+
+## 4. application credential -> group_vars
+If required you may change the values as needed. (like infrastructure name, cluster size (master nodes, worker nodes groups), etc.)
+
+## 5. terraform - main - values
+- /kubernetes-infra-example/terraform/main.tf
+- Give a path to your public ssh key at: <code>ssh_public_key = "~/.ssh/id_rsa.pub"</code>
+
+## 6. source application credentials
+```
+cd ~/kubernetes-infra-example/terraform/
+terraform init
+source ~/Downloads/app-cred-credential_test-openrc.sh
+```
+## 7. terraform apply
+```
+terraform apply
+```
+
+## 8. ansible/ group_vars (all possible group vars are in kubespray project)
+- cd ../ansible
+- Modify values
+    - cd /group_vars
+
+## 9. application credential -> group_vars -> all -> openstack
+- cd ~/kubernetes-infra-example/ansible/group_vars/all/
+- In openstack.yml modify the application credentials, can be the same credentials as already created.
+
+
+## 10. Install Kubernetes
+### Prerequisites:
+```
+cd ~/kubernetes-infra-example/ansible/01-playbook/
 ansible-galaxy install -r requirements.yml
+git clone https://github.com/kubernetes-sigs/kubespray.git
+cd kubespray
+sudo pip install -r requirements.txt
+```
+
+### Run ansible playbook:
+```
+cd ~/kubernetes-infra-example/ansible/01-playbook/
+ansible-playbook -i ~/kubernetes-infra-example/ansible/ansible_inventory --user=ubuntu --become --become-user=root play.yml
+```
+
+
+<!--
+3. Access via SSH
+- Bastion ansible_hosts at ~/kubernetes-infra-example/ansible/ansible_inventory
+- ssh -J ubuntu@195.113.167.169 ubuntu@10.10.10.226
+- sudo -i
+- kubectl get nodes
+-->
 
-1. group project (quotas?)
-1. create openstack application credentials
-1. git clone kubernetes-infra-example
-1. application credential -> group_vars
-1. terraform - main - values
-1. source application credentials
-1. terraform apply
-1. ansible/ group_vars (all possible group vars are in kubespray project)
-1. application credential -> group_vars -> all -> openstack
-2. Install Kubernetes - ansible-playbook -i ~/kubernetes-example/ansible/ansible_inventory --user=ubuntu --become --become-user=root play.yml
\ No newline at end of file
+<!--
+odkazy:
+- main https://gitlab.ics.muni.cz/cloud/kubernetes/kubernetes-infra-example
+- terraform infrastructure https://gitlab.ics.muni.cz/cloud/kubernetes/terraform-openstack-dev
+- kubespray and ansible installation https://gitlab.ics.muni.cz/cloud/knowledgebase/-/blob/master/howtos/kubespray-deployment-in-openstack.md
+cíl: kubectl get nodes a dostat output
+-->