Merge branch 'update-readme' into 'master'

updated README.md

See merge request !1

README.md

-Prerequisites:
-terraform
+## Prerequisites:
+- terraform - [install](https://developer.hashicorp.com/terraform/tutorials/aws-get-started/install-cli)</br>
+- Form to access group project - https://projects.cloud.muni.cz/
 
-pip requirments.txt
+## Create Infrastructure
 
+Create openstack application credentials: </br>
+ - 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)
+
+```
+git clone git@gitlab.ics.muni.cz:cloud/kubernetes/kubernetes-infra-example.git
+```
+If required you may change the values as needed. (like infrastructure name, cluster size (master nodes, worker nodes groups), etc.)</br>
+- <code>~/kubernetes-infra-example/terraform/main.tf</code>
+- Give a path to your public ssh key at: <code>ssh_public_key = "~/.ssh/id_rsa.pub"</code>
+
+```
+cd ~/kubernetes-infra-example/terraform/
+terraform init
+source ~/path/to/credentials.sh
+terraform apply
+```
+
+## Create Kubernetes Cluster
+
+- <code>cd ~/kubernetes-infra-example/ansible/group_vars/all/</code>
+- All possible group vars are in [Kubespray](https://github.com/kubernetes-sigs/kubespray) project.
+- In <code>openstack.yml</code> modify the application credentials, can be the same credentials as already created.
+
+
+#### Install Kubernetes
+Prerequisites: </br>
+```
+cd ~/kubernetes-infra-example/ansible/01-playbook/
+sudo pip install -r requirements.txt
 ansible-galaxy install -r requirements.yml
+```
+
+Run ansible playbook: </br>
+```
+cd ~/kubernetes-infra-example/ansible/01-playbook/
+ansible-playbook -i ~/kubernetes-infra-example/ansible/ansible_inventory --user=ubuntu --become --become-user=root play.yml
+```
 
-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
+#### Access with SSH </br>
+- Bastion ansible_hosts at <code>~/kubernetes-infra-example/ansible/ansible_inventory</code>
+```
+ssh -J ubuntu@195.113.167.169 ubuntu@10.10.10.26
+sudo -i
+kubectl get nodes
+```
\ No newline at end of file

ansible/01-playbook/requirements.txt

+ansible==8.5.0
+cryptography==41.0.4
+jinja2==3.1.2
+jmespath==1.0.1
+MarkupSafe==2.1.3
+netaddr==0.9.0
+pbr==5.11.1
+ruamel.yaml==0.17.35
+ruamel.yaml.clib==0.2.8