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kayiwakayiwa
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Deployment: Add Ansible setup to deploy with microk8s (#296)
- adds an ansible/ directory for management deployments, starting with microk8s - has a microk8s role we will need to add workers - has a playbook with variables that can install most places
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‎ansible/.editorconfig‎

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root = true
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# Defaults for all editor files
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[*]
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insert_final_newline = true
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indent_style = space
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indent_size = 4
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trim_trailing_whitespace = true
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# YAML is fussy about indenting and charset
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[*.yml]
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indent_style = space
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indent_size = 2
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continuation_indent_size = unset
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charset = utf-8
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# Markdown is fussy about indenting
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[*.md]
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indent_style = space
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indent_size = 4
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# Jinja2 template files
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[*.j2]
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end_of_line = lf

‎ansible/.tool-versions‎

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direnv 2.32.1
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python 3.10.6

‎ansible/Pipfile‎

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[[source]]
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url = "https://pypi.org/simple"
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verify_ssl = true
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name = "pypi"
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[packages]
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ansible = "==6.2.0"
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molecule = {extras = ["docker"], version = "==4.0.1"}
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certifi = "*"
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ansible-lint = "==6.4.0"
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yamllint = "==1.27.1"
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ansible-core = "==2.13"
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docker = "*"
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[dev-packages]
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[requires]
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python_version = "3.10"

‎ansible/Pipfile.lock‎

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‎ansible/inventory/hosts.example‎

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3.2.1.4 # ip address of your endpoint

‎ansible/playbooks/install_microk8s.yml‎

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---
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- name: install microk8s
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hosts: "{{ your_ip }}"
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remote_user: "{{ your_user }}"
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become: true
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roles:
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- role: ../roles/microk8s

‎ansible/roles/microk8s/.ansible-lint‎

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---
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skip_list:
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- ANSIBLE0002
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- ANSIBLE0006
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- ANSIBLE0010
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- ANSIBLE0016
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- '303'
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- '305'
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- '306'
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- '403'
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- '503'
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- '204'
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use_default_rules: true
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verbosity: 1

‎ansible/roles/microk8s/.yamllint‎

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---
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# Based on ansible-lint config
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extends: default
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ignore: |
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venv/
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.venv/
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rules:
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braces:
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max-spaces-inside: 1
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level: error
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brackets:
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max-spaces-inside: 1
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level: error
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colons:
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max-spaces-after: -1
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level: error
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commas:
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max-spaces-after: -1
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level: error
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comments: disable
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comments-indentation: disable
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document-start: disable
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empty-lines:
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max: 3
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level: error
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hyphens:
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level: error
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indentation: disable
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key-duplicates: enable
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line-length: disable
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new-line-at-end-of-file: disable
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new-lines:
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type: unix
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trailing-spaces: disable
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truthy: disable

‎ansible/roles/microk8s/README.md‎

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Role Name
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=========
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Installs and configures [MicroK8s](https://microk8s.io/)
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Requirements
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------------
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Role Variables
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--------------
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Add plugins you need installed with the following. (in the example below we are
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adding `istio`)
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```yaml
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microk8s_plugins:
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istio: true # Core Istio service mesh services
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```
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more information at [defaults/main.yml](defaults/main.yml)
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You will want to make sure you add a value for `users` above. This will be the
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user that runs microk8s
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Dependencies
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------------
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The example here has been tested with Docker's Runtime
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Example Playbook
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----------------
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replace this with the IP address of your endpoint
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```yaml
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---
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- name: install microk8s
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hosts: "{{ your_ip }}"
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remote_user: "{{ your_user }}"
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become: true
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roles:
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- role: ../roles/microk8s
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```
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License
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-------
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ISC

‎ansible/roles/microk8s/defaults/main.yml‎

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---
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# defaults file for microk8s
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#
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# version management
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microk8s_version: "1.24/stable"
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microk8s_disable_snap_autoupdate: false
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# plugin configuration
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microk8s_dns_resolvers: 149.112.112.112,9.9.9.9
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registry_size: 20Gi
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microk8s_plugins:
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dns: "{{ microk8s_dns_resolvers }}" # CoreDNS
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host-access: true # Allow Pods connecting to Host services smoothly
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ingress: true # Ingress controller for external access
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metrics-server: true # K8s Metrics Server for API access to service metrics
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rbac: true # Role-Based Access Control for authorisation
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storage: true # Storage class; allocates storage from host directory
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registry: "size={{ registry_size }}" # Private image registry exposed on localhost:32000
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dashboard: true # The Kubernetes dashboard
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gpu: false # Automatic enablement of Nvidia CUDA
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helm3: true # Helm 3 - Kubernetes package manager
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helm3_repositories:
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- name: stable
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url: https://charts.helm.sh/stable
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# users to make members of microk8s group
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users: []
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# enable high-availability?
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microk8s_enable_ha: false
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# hostgroup whose members will form high-availability cluster
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microk8s_group_ha: "microk8s_ha"
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# regex to select IP address for joining nodes in HA setup
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microk8s_ip_regex_ha: "([0-9]{1,3}[\\.]){3}[0-9]{1,3}"

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