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---
- name: prepare cluster config
hosts: k8s-emc
gather_facts: no
run_once: yes
tasks:
- name: configure node lists
set_fact:
kubernetes_nodes: "{{ groups['k8s-emc'] }}"
kubernetes_nodes_master: "{{ groups['k8s-emc-master'] | first }}"
- name: check if every node has a net_index assigned
debug:
msg: "nodes without net-index: {{ kubernetes_nodes | difference(kubernetes.net_index.keys()) | join(', ') }}"
failed_when: kubernetes_nodes | difference(kubernetes.net_index.keys()) | length > 0
- name: install kubernetes and overlay network
hosts: k8s-emc
roles:
## Since `base` has a dependency for docker it would install and start the daemon
## without the docker daemon config file generated by `net`.
## This means that the docker daemon will create a bridge and install iptables rules
## upon first startup (the first time this playbook runs on a specific host).
## Since it is a tedious task to remove the interface and the firewall rules it is much
## easier to just run `net` before `base` as `net` does not need anything from `base`.
- role: kubernetes-net
- role: kubernetes-base
- name: configure kubernetes master
hosts: k8s-emc-master
roles:
- role: kubernetes-master
- name: configure kubernetes nodes
hosts: k8s-emc:!k8s-emc-master
roles:
- role: kubernetes-node
## TODO: cleanup (remove superflous nodes and delete bootstrap token)
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