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for bootstrapping a kubernetes cluster manually with kubeadm & ansible on ubuntu, debian or centos

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mtphil/kubeadm-ansible-k8s-cluster

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kubeadm-ansible-k8s-cluster

WARNING

This setup is intentionally barebones and thus NOT SECURE by design (originally intended as a hardening exercise / pentest target).

NOT TO BE USED EXCEPT IN HIGHLY CONTROLLED ENVIRONMENTS AND DEFINITELY NOT ANYWHERE NEAR PRODUCTION.

General Info

Requires ansible installed on the local machine.

Includes an ansible playbook which runs kubebench and saves the output to master_result.txt and node_result.txt files on the local machine.

Setup

A hosts file must be added in the main directory in the following form:

[masters]
master ansible_host=<master_ip> ansible_user=root ansible_ssh_private_key_file=<private key location>

[workers]
worker1 ansible_host=<worker1_ip> ansible_user=root ansible_ssh_private_key_file=<private key location>
worker2 ansible_host=<worker2_ip> ansible_user=root ansible_ssh_private_key_file=<private key location>

[all:vars]
ansible_python_interpreter=/usr/bin/python3

NOTE: When using centos, the last line of the hosts file should be set to ansible_python_interpreter=/usr/libexec/platform-python.

Also, the with_file field in initial.yml should be set to an authorized key file on the ansible host.

Use

run.sh can be used with the TARGET_OS variable (choices include ubuntu, debian and centos) set, like so:

TARGET_OS=centos ./run.sh

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for bootstrapping a kubernetes cluster manually with kubeadm & ansible on ubuntu, debian or centos

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