Files
a13labs.infra/ansible/roles/microk8s/tasks/microk8s/install.yml
T

105 lines
3.4 KiB
YAML

- name: Microk8s | Installing microk8s from channel '{{ microk8s_channel }}'
become: true
community.general.snap:
name: microk8s
channel: "{{ microk8s_channel }}"
classic: true
- name: Create encryption configuration
become: true
ansible.builtin.copy:
content: |
---
apiVersion: apiserver.config.k8s.io/v1
kind: EncryptionConfiguration
resources:
- resources:
- secrets
providers:
- aescbc:
keys:
- name: k8s-crypto
secret: {{ microk8s_encryption_secret }}
- identity: {}
dest: "{{ microk8s_encryption_cfg }}"
mode: "0600"
- name: Microk8s | Patch microk8s configuration
notify: ["Restart microk8s"]
block:
- name: Microk8s | Enable privileged mode
become: true
ansible.builtin.lineinfile:
path: /var/snap/microk8s/current/args/kube-apiserver
line: "--allow-privileged=true"
insertafter: "^--insecure-port=0$"
- name: Microk8s | Enable encryption provider
become: true
ansible.builtin.lineinfile:
path: /var/snap/microk8s/current/args/kube-apiserver
line: "--encryption-provider-config=/a13labs/microk8s/encryption.yaml"
insertafter: "^--insecure-port=0$"
- name: Microk8s | Fixing Disk Pressure
become: true
ansible.builtin.lineinfile:
path: /var/snap/microk8s/current/args/kubelet
line: "{{ item }}"
insertafter: "^--read-only-port=0$"
with_items:
- "--image-gc-high-threshold=70"
- "--image-gc-low-threshold=60"
- name: Microk8s | Setup alternative DNS names
become: true
ansible.builtin.lineinfile:
path: /var/snap/microk8s/current/certs/csr.conf.template
line: "DNS.6 = {{ microk8s_alt_names }}"
insertafter: "^DNS.5 = kubernetes.default.svc.cluster.local$"
- name: Microk8s | Waiting for microk8s to be ready # noqa no-changed-when
become: true
ansible.builtin.command:
cmd: "microk8s.status --wait-ready --format short -t {{ microk8s_status_timeout }}"
register: microk8s_wait_result
failed_when: "'microk8s is running' not in microk8s_wait_result.stdout"
changed_when: false
- name: Microk8s | Adding required users to group microk8s
become: true
ansible.builtin.user:
name: "{{ ansible_user }}"
groups:
- microk8s
append: true
register: user_group_task
- name: Reset ssh connection to allow user changes to affect ansible user # noqa no-handler
when: user_group_task.changed
ansible.builtin.meta: reset_connection
- name: Microk8s | Required plugins (microk8s)
ansible.builtin.include_tasks: microk8s/plugins.yml
loop:
- { plugin: "ha-cluster", wait: 30, args: "--force", enabled: false }
- { plugin: "rbac", wait: 30, args: "", enabled: true }
- { plugin: "dns", wait: 30, args: "", enabled: true }
- { plugin: "storage", wait: 10, args: "", enabled: true }
- { plugin: "ingress", wait: 60, args: "", enabled: true }
- { plugin: "hostpath-storage", wait: 10, args: "", enabled: true }
- name: Microk8s | Configure required ufw rules
ansible.builtin.include_tasks: microk8s/ufw.yml
- name: Microk8s | Store kubeconfig
ansible.builtin.shell:
cmd: "microk8s config > {{ k8s_kubeconfig }}"
creates: "{{ k8s_kubeconfig }}"
- name: Microk8s | Hardening kubeconfig permissions
ansible.builtin.file:
path: "{{ k8s_kubeconfig }}"
state: file
mode: "0600"