From 98308448d40f3c07c4afd58cf41ba2ad6dfe7e23 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sun, 29 Sep 2019 00:42:21 +0200
Subject: refactoring kubernetes roles

---
 roles/kubernetes/master/tasks/main.yml | 109 ---------------------------------
 1 file changed, 109 deletions(-)
 delete mode 100644 roles/kubernetes/master/tasks/main.yml

(limited to 'roles/kubernetes/master/tasks')

diff --git a/roles/kubernetes/master/tasks/main.yml b/roles/kubernetes/master/tasks/main.yml
deleted file mode 100644
index 7cc6fe94..00000000
--- a/roles/kubernetes/master/tasks/main.yml
+++ /dev/null
@@ -1,109 +0,0 @@
----
-- name: check if kubeconfig admin.conf already exists
-  stat:
-    path: /etc/kubernetes/admin.conf
-  register: kubeconfig_admin_stats
-
-### cluster not yet initialized
-
-- name: create new cluster
-  when: kubeconfig_admin_stats.stat.exists == False
-  block:
-
-  - name: generate bootstrap token for new cluster
-    command: kubeadm token generate
-    changed_when: False
-    check_mode: no
-    register: kubeadm_token_generate
-
-  - name: create kubernetes config directory
-    file:
-      path: /etc/kubernetes
-      state: directory
-
-    ## TODO test whether the generated cluster configs really works - since it has never been used...
-  - name: install cluster config for kubeadm
-    template:
-      src: kubeadm-cluster.config.j2
-      dest: /etc/kubernetes/kubeadm-cluster.config
-
-  - name: set up kubernetes master
-    command: "kubeadm init --config '/etc/kubernetes/kubeadm-cluster.config' --token '{{ kubeadm_token_generate.stdout }}' --token-ttl 42m --skip-token-print"
-    args:
-      creates: /etc/kubernetes/pki/ca.crt
-    register: kubeadm_init
-
-  - name: dump output of kubeadm init to log file
-    when: kubeadm_init.changed
-    copy:
-      content: "{{ kubeadm_init.stdout }}\n"
-      dest: /etc/kubernetes/kubeadm-init.log
-
-### cluster is already initialized
-
-- name: prepare cluster for new nodes
-  when: kubeconfig_admin_stats.stat.exists == True
-  block:
-
-  - name: fetch list of current nodes
-    command: kubectl get nodes -o name
-    changed_when: False
-    check_mode: no
-    register: kubectl_node_list
-
-  - name: save list of current nodes
-    set_fact:
-      kubernetes_current_nodes: "{{ kubectl_node_list.stdout_lines | map('replace', 'node/', '') | list }}"
-
-  - name: create bootstrap token for existing cluster
-    when: kubernetes_nodes | difference(kubernetes_current_nodes) | length > 0
-    command: kubeadm token create --ttl 42m
-    check_mode: no
-    register: kubeadm_token_create
-
-##
-
-- name: check if master is tainted (1/2)
-  command: "kubectl --kubeconfig /etc/kubernetes/admin.conf get node {{ inventory_hostname }} -o json"
-  check_mode: no
-  register: kubectl_get_node
-  changed_when: False
-
-- name: check if master is tainted (2/2)
-  set_fact:
-    kube_node_taints: "{% set node_info = kubectl_get_node.stdout | from_json %}{%if node_info.spec.taints is defined %}{{ node_info.spec.taints | map(attribute='key') | list }}{% endif %}"
-
-- name: remove taint from master node
-  when: "kubernetes.dedicated_master == False and 'node-role.kubernetes.io/master' in kube_node_taints"
-  command: kubectl --kubeconfig /etc/kubernetes/admin.conf taint nodes --all node-role.kubernetes.io/master-
-
-- name: add taint for master node
-  when: "kubernetes.dedicated_master == True and 'node-role.kubernetes.io/master' not in kube_node_taints"
-  command: "kubectl --kubeconfig /etc/kubernetes/admin.conf taint nodes {{ ansible_nodename }} node-role.kubernetes.io/master='':NoSchedule"
-
-- name: install openssl
-  apt:
-    name: openssl
-    state: present
-
-- name: get ca certificate digest
-  shell: "openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'"
-  check_mode: no
-  register: kube_ca_openssl
-  changed_when: False
-
-- name: set variables needed by kubernetes/nodes to join the cluster
-  set_fact:
-    kube_bootstrap_token: "{% if kubeadm_token_generate.stdout is defined %}{{ kubeadm_token_generate.stdout }}{% elif kubeadm_token_create.stdout is defined %}{{ kubeadm_token_create.stdout }}{% endif %}"
-    kube_bootstrap_ca_cert_hash: "sha256:{{ kube_ca_openssl.stdout }}"
-
-- name: prepare kubectl (1/2)
-  file:
-    name: /root/.kube
-    state: directory
-
-- name: prepare kubectl (2/2)
-  file:
-    dest: /root/.kube/config
-    src: /etc/kubernetes/admin.conf
-    state: link
-- 
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