From f2c81dc9ac238a2ca55904ee21705eaa4393e8e1 Mon Sep 17 00:00:00 2001
From: kjuulh <contact@kjuulh.io>
Date: Sat, 19 Feb 2022 20:11:28 +0100
Subject: [PATCH] Add ansible for k3s

---
 .drone.yml                                    |  2 +-
 .../create-resources/ansible/.yamllint        |  9 ++++++
 .../create-resources/ansible/ansible.cfg      | 12 +++++++
 .../ansible/collections/requirements.yml      |  3 ++
 .../ansible/inventory/group_vars/all.yml      |  7 +++++
 .../ansible/inventory/hosts.cfg               |  6 ++++
 .../ansible/roles/download/tasks/main.yml     | 10 ++++++
 .../ansible/roles/prereq/tasks/main.yml       | 31 +++++++++++++++++++
 .../create-resources/ansible/site.yml         | 17 ++++++++++
 .../create-resources/templates/hosts.tpl      |  8 ++++-
 10 files changed, 103 insertions(+), 2 deletions(-)
 create mode 100644 infrastructure/create-resources/ansible/.yamllint
 create mode 100644 infrastructure/create-resources/ansible/ansible.cfg
 create mode 100644 infrastructure/create-resources/ansible/collections/requirements.yml
 create mode 100644 infrastructure/create-resources/ansible/inventory/group_vars/all.yml
 create mode 100644 infrastructure/create-resources/ansible/roles/download/tasks/main.yml
 create mode 100644 infrastructure/create-resources/ansible/roles/prereq/tasks/main.yml
 create mode 100644 infrastructure/create-resources/ansible/site.yml

diff --git a/.drone.yml b/.drone.yml
index 585deb0..a4bfbf4 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -27,4 +27,4 @@ steps:
       - terraform validate
       - terraform apply -auto-approve -var "hcloud_token=$HCLOUD_TOKEN" -var "pvt_key=../ssh_keys/id_ed25519" -var "pub_key=../ssh_keys/id_ed25519.pub" -var "hcloud_serverctl_ssh_key_id=$HCLOUD_SSH_KEY_ID"
       - cd ansible
-      - ANSIBLE_HOST_KEY_CHECKING=False /usr/bin/ansible-playbook -i 'inventory/hosts.cfg' -u root --key-file '../../ssh_keys/id_ed25519'  -e 'pub_key=../../ssh_keys/id_ed25519.pub' server-install.yml
+      - /usr/bin/ansible-playbook -u root --key-file '../../ssh_keys/id_ed25519'  -e 'pub_key=../../ssh_keys/id_ed25519.pub' site.yml
diff --git a/infrastructure/create-resources/ansible/.yamllint b/infrastructure/create-resources/ansible/.yamllint
new file mode 100644
index 0000000..4ab5811
--- /dev/null
+++ b/infrastructure/create-resources/ansible/.yamllint
@@ -0,0 +1,9 @@
+---
+extends: default
+
+rules:
+  line-length:
+    max: 120
+    level: warning
+  truthy:
+    allowed-values: ['true', 'false', 'yes', 'no']
\ No newline at end of file
diff --git a/infrastructure/create-resources/ansible/ansible.cfg b/infrastructure/create-resources/ansible/ansible.cfg
new file mode 100644
index 0000000..e9a6baf
--- /dev/null
+++ b/infrastructure/create-resources/ansible/ansible.cfg
@@ -0,0 +1,12 @@
+[defaults]
+nocows = True
+roles_path = ./roles
+inventory = ./inventory/hosts.cfg
+
+remote_tmp = $HOME/.ansible/tmp
+local_tmp = $HOME/.ansible/tmp
+pipelining = True
+become = True
+host_key_checking = False
+deprecation_warnings = True
+callback_whitelist = profile_tasks
\ No newline at end of file
diff --git a/infrastructure/create-resources/ansible/collections/requirements.yml b/infrastructure/create-resources/ansible/collections/requirements.yml
new file mode 100644
index 0000000..afc836d
--- /dev/null
+++ b/infrastructure/create-resources/ansible/collections/requirements.yml
@@ -0,0 +1,3 @@
+---
+collections:
+  - name: community.general
diff --git a/infrastructure/create-resources/ansible/inventory/group_vars/all.yml b/infrastructure/create-resources/ansible/inventory/group_vars/all.yml
new file mode 100644
index 0000000..f3e1b78
--- /dev/null
+++ b/infrastructure/create-resources/ansible/inventory/group_vars/all.yml
@@ -0,0 +1,7 @@
+---
+k3s_version: v1.22.3+k3s1
+ansible_user: debian
+systemd_dir: /etc/systemd/system
+master_ip: "{{ hostvars[groups['serverctl_master_hosts'][0]]['ansible_host'] | default(groups['serverctl_master_hosts'][0]) }}"
+extra_server_args: ""
+extra_agent_args: ""
diff --git a/infrastructure/create-resources/ansible/inventory/hosts.cfg b/infrastructure/create-resources/ansible/inventory/hosts.cfg
index f95e58b..69302a7 100755
--- a/infrastructure/create-resources/ansible/inventory/hosts.cfg
+++ b/infrastructure/create-resources/ansible/inventory/hosts.cfg
@@ -1,2 +1,8 @@
 [serverctl_master_hosts]
 65.21.153.18
+
+[serverctl_node_hosts]
+
+[serverctl_cluster:children]
+serverctl_master_hosts
+serverctl_node_hosts
\ No newline at end of file
diff --git a/infrastructure/create-resources/ansible/roles/download/tasks/main.yml b/infrastructure/create-resources/ansible/roles/download/tasks/main.yml
new file mode 100644
index 0000000..543009e
--- /dev/null
+++ b/infrastructure/create-resources/ansible/roles/download/tasks/main.yml
@@ -0,0 +1,10 @@
+---
+- name: Download k3s binary x64
+  get_url:
+    url: https://github.com/k3s-io/k3s/releases/download/{{ k3s_version }}/k3s
+    checksum: sha256:https://github.com/k3s-io/k3s/releases/download/{{ k3s_version }}/sha256sum-amd64.txt
+    dest: /usr/local/bin/k3s
+    owner: root
+    group: root
+    mode: 0755
+  when: ansible_facts.architecture == "x86_64"
diff --git a/infrastructure/create-resources/ansible/roles/prereq/tasks/main.yml b/infrastructure/create-resources/ansible/roles/prereq/tasks/main.yml
new file mode 100644
index 0000000..eb0ad53
--- /dev/null
+++ b/infrastructure/create-resources/ansible/roles/prereq/tasks/main.yml
@@ -0,0 +1,31 @@
+---
+- name: Enable IPv4 forwarding
+  sysctl:
+    name: net.ipv4.ip_forward
+    value: "1"
+    state: present
+    reload: yes
+
+- name: Enable IPv6 forwarding
+  sysctl:
+    name: net.ipv6.conf.all.forwarding
+    value: "1"
+    state: present
+    reload: yes
+  when: ansible_all_ipv6_addresses
+
+# Setup user
+- name: Add the user 'kjuulh' and add it to 'sudo'
+  user:
+    name: kjuulh
+    group: sudo
+    state: present
+
+- name: "add authorized keys"
+  authorized_key:
+    user: kjuulh
+    state: present
+    key: "{{ lookup('file', pub_key) }}"
+
+- name: Wait for apt to unlock
+  shell: while sudo fuser /var/lib/dpkg/lock >/dev/null >2&1; do sleep 5; done;
diff --git a/infrastructure/create-resources/ansible/site.yml b/infrastructure/create-resources/ansible/site.yml
new file mode 100644
index 0000000..85a77db
--- /dev/null
+++ b/infrastructure/create-resources/ansible/site.yml
@@ -0,0 +1,17 @@
+---
+- hosts: serverctl_cluster
+  gather_facts: yes
+  become: yes
+  roles:
+    - role: prereq
+    - role: download
+#- hosts: serverctl_master_hosts
+#  become: yes
+#  roles:
+#    - role: "./k3s/master"
+#
+#- hosts: serverctl_node_hosts
+#  become: yes
+#  roles:
+#    - role: "./k3s/node"
+#
diff --git a/infrastructure/create-resources/templates/hosts.tpl b/infrastructure/create-resources/templates/hosts.tpl
index 5320ea4..df1da0a 100644
--- a/infrastructure/create-resources/templates/hosts.tpl
+++ b/infrastructure/create-resources/templates/hosts.tpl
@@ -1,4 +1,10 @@
 [serverctl_master_hosts]
 %{ for ip in serverctl_masters ~}
 ${ip}
-%{ endfor ~}
\ No newline at end of file
+%{ endfor ~}
+
+[serverctl_node_hosts]
+
+[serverctl_cluster:children]
+serverctl_master_hosts
+serverctl_node_hosts
\ No newline at end of file