feat(k3s): Updated to v1.25 (#187)

* feat(k3s): Updated to v1.25.4+k3s1

* feat(k3s): Updated to v1.25.5+k3s1

* feat(k3s): Updated to v1.25.7+k3s1

* feat(k3s): Updated to v1.25.8+k3s1

* feat(k3s): Updated to v1.25.9+k3s1

* feat(kube-vip): Update to v0.5.12

.github/PULL_REQUEST_TEMPLATE.md

@@ -11,4 +11,5 @@
 - [ ] Ran `site.yml` playbook
 - [ ] Ran `reset.yml` playbook
 - [ ] Did not add any unnecessary changes
+- [ ] Ran pre-commit install at least once before committing
 - [ ] 🚀

.github/workflows/ci.yml

@@ -0,0 +1,15 @@
+---
+name: "CI"
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - '**/README.md'
+jobs:
+  lint:
+    uses: ./.github/workflows/lint.yml
+  test:
+    uses: ./.github/workflows/test.yml
+    needs: [lint]

.github/workflows/lint.yml

@@ -1,24 +1,41 @@
 ---
 name: Linting
 on:
-  pull_request:
+  workflow_call:
-  push:
-    branches:
-      - master
-
 jobs:
-  ansible-lint:
+  pre-commit-ci:
-    name: YAML Lint + Ansible Lint
+    name: Pre-Commit
     runs-on: ubuntu-latest
+    env:
+      PYTHON_VERSION: "3.10"
 
     steps:
       - name: Check out the codebase
-        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # 3.0.2
+        uses: actions/checkout@e2f20e631ae6d7dd3b768f56a5d2af784dd54791 # v3 2.5.0
-
-      - name: Set up Python 3.x
-        uses: actions/setup-python@b55428b1882923874294fa556849718a1d7f2ca5 #4.0.2
         with:
-          python-version: "3.x"
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Set up Python ${{ env.PYTHON_VERSION }}
+        uses: actions/setup-python@75f3110429a8c05be0e1bf360334e4cced2b63fa # 2.3.3
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+          cache: 'pip' # caching pip dependencies
+
+      - name: Cache pip
+        uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # 3.0.11
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('./requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
+      - name: Cache Ansible
+        uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # 3.0.11
+        with:
+          path: ~/.ansible/collections
+          key: ${{ runner.os }}-ansible-${{ hashFiles('collections/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-ansible-
 
       - name: Install dependencies
         run: |
@@ -34,8 +51,18 @@ jobs:
           ansible-galaxy install -r collections/requirements.yml
           echo "::endgroup::"
 
-      - name: Run yamllint
+      - name: Run pre-commit
-        run: yamllint .
+        uses: pre-commit/action@646c83fcd040023954eafda54b4db0192ce70507 # 3.0.0
 
-      - name: Run ansible-lint
+  ensure-pinned-actions:
-        run: ansible-lint
+    name: Ensure SHA Pinned Actions
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@e2f20e631ae6d7dd3b768f56a5d2af784dd54791 # v3 2.5.0
+      - name: Ensure SHA pinned actions
+        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@af2eb3226618e2494e3d9084f515ad6dcf16e229 # 2.0.1
+        with:
+          allowlist: |
+            aws-actions/
+            docker/login-action

.github/workflows/test.yml

@@ -1,17 +1,11 @@
 ---
 name: Test
 on:
-  pull_request:
+  workflow_call:
-  push:
-    branches:
-      - master
-    paths-ignore:
-      - '**/README.md'
 jobs:
   molecule:
     name: Molecule
     runs-on: macos-12
-
     strategy:
       matrix:
         scenario:
@@ -24,7 +18,9 @@ jobs:
 
     steps:
       - name: Check out the codebase
-        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # 3.0.2
+        uses: actions/checkout@e2f20e631ae6d7dd3b768f56a5d2af784dd54791 # v3 2.5.0
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Configure VirtualBox
         run: |-
@@ -34,8 +30,16 @@ jobs:
           * fdad:bad:ba55::/64
           EOF
 
+      - name: Cache pip
+        uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # 3.0.11
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('./requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
       - name: Cache Vagrant boxes
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77 # 3.0.8
+        uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # 3.0.11
         with:
           path: |
             ~/.vagrant.d/boxes
@@ -50,17 +54,24 @@ jobs:
         run: ./.github/download-boxes.sh
 
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@75f3110429a8c05be0e1bf360334e4cced2b63fa # 2.3.3
         with:
           python-version: ${{ env.PYTHON_VERSION }}
+          cache: 'pip' # caching pip dependencies
 
       - name: Install dependencies
-        run: >-
+        run: |
-          python3 -m pip install --upgrade pip &&
+          echo "::group::Upgrade pip"
+          python3 -m pip install --upgrade pip
+          echo "::endgroup::"
+
+          echo "::group::Install Python requirements from requirements.txt"
           python3 -m pip install -r requirements.txt
+          echo "::endgroup::"
 
       - name: Test with molecule
         run: molecule test --scenario-name ${{ matrix.scenario }}
+        timeout-minutes: 90
         env:
           ANSIBLE_K3S_LOG_DIR: ${{ runner.temp }}/logs/k3s-ansible/${{ matrix.scenario }}
           ANSIBLE_SSH_RETRIES: 4
@@ -70,7 +81,7 @@ jobs:
 
       - name: Upload log files
         if: always() # do this even if a step before has failed
-        uses: actions/upload-artifact@3cea5372237819ed00197afe530f5a7ea3e805c8 # 3.1.0
+        uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # 3.1.1
         with:
           name: logs
           path: |

.gitignore

@@ -1 +1,3 @@
 .env/
+*.log
+ansible.cfg

.pre-commit-config.yaml

@@ -0,0 +1,35 @@
+---
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: 3298ddab3c13dd77d6ce1fc0baf97691430d84b0  # v4.3.0
+    hooks:
+      - id: requirements-txt-fixer
+      - id: sort-simple-yaml
+      - id: detect-private-key
+      - id: check-merge-conflict
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+      - id: trailing-whitespace
+        args: [--markdown-linebreak-ext=md]
+  - repo: https://github.com/adrienverge/yamllint.git
+    rev: 9cce2940414e9560ae4c8518ddaee2ac1863a4d2  # v1.28.0
+    hooks:
+      - id: yamllint
+        args: [-c=.yamllint]
+  - repo: https://github.com/ansible-community/ansible-lint.git
+    rev: a058554b9bcf88f12ad09ab9fb93b267a214368f  # v6.8.6
+    hooks:
+      - id: ansible-lint
+  - repo: https://github.com/shellcheck-py/shellcheck-py
+    rev: 4c7c3dd7161ef39e984cb295e93a968236dc8e8a  # v0.8.0.4
+    hooks:
+      - id: shellcheck
+  - repo: https://github.com/Lucas-C/pre-commit-hooks
+    rev: 04618e68aa2380828a36a23ff5f65a06ae8f59b9  # v1.3.1
+    hooks:
+      - id: remove-crlf
+      - id: remove-tabs
+  - repo: https://github.com/sirosen/texthooks
+    rev: 30d9af95631de0d7cff4e282bde9160d38bb0359  # 0.4.0
+    hooks:
+      - id: fix-smartquotes

LICENSE

@@ -174,4 +174,4 @@
       incurred by, or claims asserted against, such Contributor by reason
       of your accepting any such warranty or additional liability.
 
-   END OF TERMS AND CONDITIONS
+   END OF TERMS AND CONDITIONS

README.md

@@ -10,7 +10,7 @@ If you want more context on how this works, see:
 
 📄 [Documentation](https://docs.technotim.live/posts/k3s-etcd-ansible/) (including example commands)
 
-📺 [Video](https://www.youtube.com/watch?v=CbkEWcUZ7zM)
+📺 [Watch the Video](https://www.youtube.com/watch?v=CbkEWcUZ7zM)
 
 ## 📖 k3s Ansible Playbook
 
@@ -28,14 +28,14 @@ on processor architecture:
 
 ## ✅ System requirements
 
-- Deployment environment must have Ansible 2.4.0+.  If you need a quick primer on Ansible [you can check out my docs and setting up Ansible](https://docs.technotim.live/posts/ansible-automation/).
+- Control Node (the machine you are running `ansible` commands) must have Ansible 2.11+ If you need a quick primer on Ansible [you can check out my docs and setting up Ansible](https://docs.technotim.live/posts/ansible-automation/).
+
+- You will also need to install collections that this playbook uses by running `ansible-galaxy collection install -r ./collections/requirements.yml` (important❗)
 
 - [`netaddr` package](https://pypi.org/project/netaddr/) must be available to Ansible. If you have installed Ansible via apt, this is already taken care of. If you have installed Ansible via `pip`, make sure to install `netaddr` into the respective virtual environment.
 
 - `server` and `agent` nodes should have passwordless SSH access, if not you can supply arguments to provide credentials `--ask-pass --ask-become-pass` to each command.
 
-- You will also need to install collections that this playbook uses by running `ansible-galaxy collection install -r ./collections/requirements.yml`
-
 ## 🚀 Getting Started
 
 ### 🍴 Preparation
@@ -67,6 +67,8 @@ node
 
 If multiple hosts are in the master group, the playbook will automatically set up k3s in [HA mode with etcd](https://rancher.com/docs/k3s/latest/en/installation/ha-embedded/).
 
+Finally, copy `ansible.example.cfg` to `ansible.cfg` and adapt the inventory path to match the files that you just created.
+
 This requires at least k3s version `1.19.1` however the version is configurable by using the `k3s_version` variable.
 
 If needed, you can also edit `inventory/my-cluster/group_vars/all.yml` to match your environment.
@@ -112,9 +114,13 @@ It is run automatically in CI, but you can also run the tests locally.
 This might be helpful for quick feedback in a few cases.
 You can find more information about it [here](molecule/README.md).
 
+### Pre-commit Hooks
+
+This repo uses `pre-commit` and `pre-commit-hooks` to lint and fix common style and syntax errors.  Be sure to install python packages and then run `pre-commit install`.  For more information, see [pre-commit](https://pre-commit.com/)
+
 ## Thanks 🤝
 
-This repo is really standing on the shoulders of giants. Thank you to all those who have contributed and tanks to these repos for code and ideas:
+This repo is really standing on the shoulders of giants. Thank you to all those who have contributed and thanks to these repos for code and ideas:
 
 - [k3s-io/k3s-ansible](https://github.com/k3s-io/k3s-ansible)
 - [geerlingguy/turing-pi-cluster](https://github.com/geerlingguy/turing-pi-cluster)

ansible.cfg

@@ -1,12 +0,0 @@
-[defaults]
-nocows = True
-roles_path = ./roles
-inventory  = ./hosts.ini
-
-remote_tmp = $HOME/.ansible/tmp
-local_tmp  = $HOME/.ansible/tmp
-pipelining = True
-become = True
-host_key_checking = False
-deprecation_warnings = False
-callback_whitelist = profile_tasks

ansible.example.cfg

@@ -0,0 +1,2 @@
+[defaults]
+inventory = inventory/my-cluster/hosts.ini  ; Adapt this to the path to your inventory file

deploy.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-ansible-playbook site.yml -i inventory/my-cluster/hosts.ini
+ansible-playbook site.yml

inventory/sample/group_vars/all.yml

@@ -1,5 +1,5 @@
 ---
-k3s_version: v1.24.6+k3s1
+k3s_version: v1.25.9+k3s1
 # this is the user that has ssh access to these machines
 ansible_user: ansibleuser
 systemd_dir: /etc/systemd/system
@@ -41,11 +41,44 @@ extra_agent_args: >-
   {{ extra_args }}
 
 # image tag for kube-vip
-kube_vip_tag_version: "v0.5.5"
+kube_vip_tag_version: "v0.5.12"
+
+# metallb type frr or native
+metal_lb_type: "native"
+
+# metallb mode layer2 or bgp
+metal_lb_mode: "layer2"
+
+# bgp options
+# metal_lb_bgp_my_asn: "64513"
+# metal_lb_bgp_peer_asn: "64512"
+# metal_lb_bgp_peer_address: "192.168.30.1"
 
 # image tag for metal lb
-metal_lb_speaker_tag_version: "v0.13.6"
+metal_lb_frr_tag_version: "v7.5.1"
-metal_lb_controller_tag_version: "v0.13.6"
+metal_lb_speaker_tag_version: "v0.13.9"
+metal_lb_controller_tag_version: "v0.13.9"
 
 # metallb ip range for load balancer
 metal_lb_ip_range: "192.168.30.80-192.168.30.90"
+
+# Only enable if your nodes are proxmox LXC nodes, make sure to configure your proxmox nodes
+# in your hosts.ini file.
+# Please read https://gist.github.com/triangletodd/02f595cd4c0dc9aac5f7763ca2264185 before using this.
+# Most notably, your containers must be privileged, and must not have nesting set to true.
+# Please note this script disables most of the security of lxc containers, with the trade off being that lxc
+# containers are significantly more resource efficent compared to full VMs.
+# Mixing and matching VMs and lxc containers is not supported, ymmv if you want to do this.
+# I would only really recommend using this if you have partiularly low powered proxmox nodes where the overhead of
+# VMs would use a significant portion of your available resources.
+proxmox_lxc_configure: false
+# the user that you would use to ssh into the host, for example if you run ssh some-user@my-proxmox-host,
+# set this value to some-user
+proxmox_lxc_ssh_user: root
+# the unique proxmox ids for all of the containers in the cluster, both worker and master nodes
+proxmox_lxc_ct_ids:
+  - 200
+  - 201
+  - 202
+  - 203
+  - 204

inventory/sample/group_vars/proxmox.yml

@@ -0,0 +1,2 @@
+---
+ansible_user: '{{ proxmox_lxc_ssh_user }}'

inventory/sample/hosts.ini

@@ -7,6 +7,11 @@
 192.168.30.41
 192.168.30.42
 
+# only required if proxmox_lxc_configure: true
+# must contain all proxmox instances that have a master or worker node
+# [proxmox]
+# 192.168.30.43
+
 [k3s_cluster:children]
 master
 node

molecule/default/molecule.yml

@@ -3,56 +3,73 @@ dependency:
   name: galaxy
 driver:
   name: vagrant
-.platform_presets:
+platforms:
-  - &control
+
+  - name: control1
+    box: generic/ubuntu2204
     memory: 2048
     cpus: 2
     groups:
       - k3s_cluster
       - master
-  - &node
+    interfaces:
-    memory: 2048
+      - network_name: private_network
-    cpus: 2
+        ip: 192.168.30.38
-    groups:
-      - k3s_cluster
-      - node
-  - &debian
-    box: generic/debian11
-  - &rocky
-    box: generic/rocky9
-  - &ubuntu
-    box: generic/ubuntu2204
     config_options:
       # We currently can not use public-key based authentication on Ubuntu 22.04,
       # see: https://github.com/chef/bento/issues/1405
       ssh.username: "vagrant"
       ssh.password: "vagrant"
-platforms:
+
-  - <<: [*control, *ubuntu]
+  - name: control2
-    name: control1
+    box: generic/debian11
-    interfaces:
+    memory: 2048
-      - network_name: private_network
+    cpus: 2
-        ip: 192.168.30.38
+    groups:
-  - <<: [*control, *debian]
+      - k3s_cluster
-    name: control2
+      - master
     interfaces:
       - network_name: private_network
         ip: 192.168.30.39
-  - <<: [*control, *rocky]
+
-    name: control3
+  - name: control3
+    box: generic/rocky9
+    memory: 2048
+    cpus: 2
+    groups:
+      - k3s_cluster
+      - master
     interfaces:
       - network_name: private_network
         ip: 192.168.30.40
-  - <<: [*node, *ubuntu]
+
-    name: node1
+  - name: node1
+    box: generic/ubuntu2204
+    memory: 2048
+    cpus: 2
+    groups:
+      - k3s_cluster
+      - node
     interfaces:
       - network_name: private_network
         ip: 192.168.30.41
-  - <<: [*node, *rocky]
+    config_options:
-    name: node2
+      # We currently can not use public-key based authentication on Ubuntu 22.04,
+      # see: https://github.com/chef/bento/issues/1405
+      ssh.username: "vagrant"
+      ssh.password: "vagrant"
+
+  - name: node2
+    box: generic/rocky9
+    memory: 2048
+    cpus: 2
+    groups:
+      - k3s_cluster
+      - node
     interfaces:
       - network_name: private_network
         ip: 192.168.30.42
+
 provisioner:
   name: ansible
   playbooks:

molecule/ipv6/host_vars/control2.yml

@@ -0,0 +1,3 @@
+---
+node_ipv4: 192.168.123.12
+node_ipv6: fdad:bad:ba55::de:12

molecule/ipv6/molecule.yml

@@ -3,37 +3,54 @@ dependency:
   name: galaxy
 driver:
   name: vagrant
-.platform_presets:
+platforms:
-  - &control
+  - name: control1
+    box: generic/ubuntu2204
     memory: 2048
     cpus: 2
     groups:
       - k3s_cluster
       - master
-  - &node
+    interfaces:
-    memory: 2048
+      - network_name: private_network
-    cpus: 2
+        ip: fdad:bad:ba55::de:11
-    groups:
-      - k3s_cluster
-      - node
-  - &ubuntu
-    box: generic/ubuntu2204
     config_options:
       # We currently can not use public-key based authentication on Ubuntu 22.04,
       # see: https://github.com/chef/bento/issues/1405
       ssh.username: "vagrant"
       ssh.password: "vagrant"
-platforms:
+
-  - <<: [*control, *ubuntu]
+  - name: control2
-    name: control1
+    box: generic/ubuntu2204
+    memory: 2048
+    cpus: 2
+    groups:
+      - k3s_cluster
+      - master
     interfaces:
       - network_name: private_network
-        ip: fdad:bad:ba55::de:11
+        ip: fdad:bad:ba55::de:12
-  - <<: [*node, *ubuntu]
+    config_options:
-    name: node1
+      # We currently can not use public-key based authentication on Ubuntu 22.04,
+      # see: https://github.com/chef/bento/issues/1405
+      ssh.username: "vagrant"
+      ssh.password: "vagrant"
+
+  - name: node1
+    box: generic/ubuntu2204
+    memory: 2048
+    cpus: 2
+    groups:
+      - k3s_cluster
+      - node
     interfaces:
       - network_name: private_network
         ip: fdad:bad:ba55::de:21
+    config_options:
+      # We currently can not use public-key based authentication on Ubuntu 22.04,
+      # see: https://github.com/chef/bento/issues/1405
+      ssh.username: "vagrant"
+      ssh.password: "vagrant"
 provisioner:
   name: ansible
   playbooks:

molecule/ipv6/overrides.yml

@@ -7,6 +7,11 @@
         # See: https://github.com/flannel-io/flannel/blob/67d603aaf45ef80f5dd39f43714fc5e6f8a637eb/Documentation/troubleshooting.md#Vagrant  # noqa yaml[line-length]
         flannel_iface: eth1
 
+        # In this scenario, we have multiple interfaces that the VIP could be
+        # broadcasted on. Since we have assigned a dedicated private network
+        # here, let's make sure that it is used.
+        kube_vip_iface: eth1
+
         # The test VMs might be a bit slow, so we give them more time to join the cluster:
         retry_count: 45
 

reboot.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+ansible-playbook reboot.yml

reboot.yml

@@ -0,0 +1,9 @@
+---
+- name: Reboot k3s_cluster
+  hosts: k3s_cluster
+  gather_facts: yes
+  tasks:
+    - name: Reboot the nodes (and Wait upto 5 mins max)
+      become: true
+      reboot:
+        reboot_timeout: 300

requirements.in

@@ -0,0 +1,12 @@
+ansible-core>=2.13.5
+ansible-lint>=6.8.6
+jmespath>=1.0.1
+jsonpatch>=1.32
+kubernetes>=25.3.0
+molecule-vagrant>=1.0.0
+molecule>=4.0.3
+netaddr>=0.8.0
+pre-commit>=2.20.0
+pre-commit-hooks>=1.3.1
+pyyaml>=6.0
+yamllint>=1.28.0

requirements.txt

@@ -1,71 +1,211 @@
-ansible-compat==2.2.1
+#
-ansible-core==2.13.5
+# This file is autogenerated by pip-compile with python 3.8
-ansible-lint==6.8.2
+# To update, run:
+#
+#    pip-compile requirements.in
+#
+ansible-compat==3.0.1
+    # via molecule
+ansible-core==2.14.5
+    # via
+    #   -r requirements.in
+    #   ansible-compat
+    #   ansible-lint
+ansible-lint==6.15.0
+    # via -r requirements.in
 arrow==1.2.3
+    # via jinja2-time
 attrs==22.1.0
+    # via jsonschema
 binaryornot==0.4.4
+    # via cookiecutter
 black==22.10.0
+    # via ansible-lint
 bracex==2.3.post1
+    # via wcmatch
 cachetools==5.2.0
-Cerberus==1.3.2
+    # via google-auth
 certifi==2022.9.24
+    # via
+    #   kubernetes
+    #   requests
 cffi==1.15.1
+    # via cryptography
+cfgv==3.3.1
+    # via pre-commit
 chardet==5.0.0
+    # via binaryornot
 charset-normalizer==2.1.1
+    # via requests
 click==8.1.3
+    # via
+    #   black
+    #   click-help-colors
+    #   cookiecutter
+    #   molecule
 click-help-colors==0.9.1
+    # via molecule
 commonmark==0.9.1
+    # via rich
 cookiecutter==2.1.1
-cryptography==38.0.1
+    # via molecule
+cryptography==38.0.3
+    # via ansible-core
+distlib==0.3.6
+    # via virtualenv
 distro==1.8.0
+    # via selinux
 enrich==1.2.7
+    # via molecule
 filelock==3.8.0
-google-auth==2.12.0
+    # via
+    #   ansible-lint
+    #   virtualenv
+google-auth==2.14.0
+    # via kubernetes
+identify==2.5.8
+    # via pre-commit
 idna==3.4
-importlib-resources==5.10.0
+    # via requests
-Jinja2==3.1.2
+jinja2==3.1.2
+    # via
+    #   ansible-core
+    #   cookiecutter
+    #   jinja2-time
+    #   molecule
+    #   molecule-vagrant
 jinja2-time==0.2.0
+    # via cookiecutter
 jmespath==1.0.1
+    # via -r requirements.in
 jsonpatch==1.32
+    # via -r requirements.in
 jsonpointer==2.3
-jsonschema==4.16.0
+    # via jsonpatch
-kubernetes==24.2.0
+jsonschema==4.17.0
-MarkupSafe==2.1.1
+    # via
-molecule==4.0.1
+    #   ansible-compat
+    #   ansible-lint
+    #   molecule
+kubernetes==25.3.0
+    # via -r requirements.in
+markupsafe==2.1.1
+    # via jinja2
+molecule==4.0.4
+    # via
+    #   -r requirements.in
+    #   molecule-vagrant
 molecule-vagrant==1.0.0
+    # via -r requirements.in
 mypy-extensions==0.4.3
+    # via black
 netaddr==0.8.0
-oauthlib==3.2.1
+    # via -r requirements.in
+nodeenv==1.7.0
+    # via pre-commit
+oauthlib==3.2.2
+    # via requests-oauthlib
 packaging==21.3
+    # via
+    #   ansible-compat
+    #   ansible-core
+    #   ansible-lint
+    #   molecule
 pathspec==0.10.1
-pkgutil-resolve-name==1.3.10
+    # via
+    #   black
+    #   yamllint
 platformdirs==2.5.2
+    # via
+    #   black
+    #   virtualenv
 pluggy==1.0.0
+    # via molecule
+pre-commit==2.21.0
+    # via -r requirements.in
+pre-commit-hooks==4.4.0
+    # via -r requirements.in
 pyasn1==0.4.8
+    # via
+    #   pyasn1-modules
+    #   rsa
 pyasn1-modules==0.2.8
+    # via google-auth
 pycparser==2.21
-Pygments==2.13.0
+    # via cffi
+pygments==2.13.0
+    # via rich
 pyparsing==3.0.9
-pyrsistent==0.18.1
+    # via packaging
+pyrsistent==0.19.2
+    # via jsonschema
 python-dateutil==2.8.2
+    # via
+    #   arrow
+    #   kubernetes
 python-slugify==6.1.2
+    # via cookiecutter
 python-vagrant==1.0.0
-PyYAML==6.0
+    # via molecule-vagrant
+pyyaml==6.0
+    # via
+    #   -r requirements.in
+    #   ansible-compat
+    #   ansible-core
+    #   ansible-lint
+    #   cookiecutter
+    #   kubernetes
+    #   molecule
+    #   molecule-vagrant
+    #   pre-commit
+    #   yamllint
 requests==2.28.1
+    # via
+    #   cookiecutter
+    #   kubernetes
+    #   requests-oauthlib
 requests-oauthlib==1.3.1
+    # via kubernetes
 resolvelib==0.8.1
+    # via ansible-core
 rich==12.6.0
+    # via
+    #   ansible-lint
+    #   enrich
+    #   molecule
 rsa==4.9
-ruamel.yaml==0.17.21
+    # via google-auth
-ruamel.yaml.clib==0.2.6
+ruamel-yaml==0.17.21
+    # via
+    #   ansible-lint
+    #   pre-commit-hooks
 selinux==0.2.1
+    # via molecule-vagrant
 six==1.16.0
-subprocess-tee==0.3.5
+    # via
+    #   google-auth
+    #   kubernetes
+    #   python-dateutil
+subprocess-tee==0.4.1
+    # via
+    #   ansible-compat
+    #   ansible-lint
 text-unidecode==1.3
-tomli==2.0.1
+    # via python-slugify
-typing-extensions==4.4.0
 urllib3==1.26.12
+    # via
+    #   kubernetes
+    #   requests
+virtualenv==20.16.6
+    # via pre-commit
 wcmatch==8.4.1
-websocket-client==1.4.1
+    # via ansible-lint
-yamllint==1.28.0
+websocket-client==1.4.2
-zipp==3.9.0
+    # via kubernetes
+yamllint==1.31.0
+    # via
+    #   -r requirements.in
+    #   ansible-lint
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools

reset.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-ansible-playbook reset.yml -i inventory/my-cluster/hosts.ini
+ansible-playbook reset.yml

reset.yml

@@ -2,12 +2,22 @@
 
 - hosts: k3s_cluster
   gather_facts: yes
-  become: yes
   roles:
     - role: reset
+      become: true
     - role: raspberrypi
+      become: true
       vars: {state: absent}
   post_tasks:
     - name: Reboot and wait for node to come back up
+      become: true
       reboot:
         reboot_timeout: 3600
+
+- hosts: proxmox
+  gather_facts: true
+  become: yes
+  remote_user: "{{ proxmox_lxc_ssh_user }}"
+  roles:
+    - role: reset_proxmox_lxc
+      when: proxmox_lxc_configure

roles/k3s/master/defaults/main.yml

@@ -1,11 +1,15 @@
 ---
-ansible_user: root
+# If you want to explicitly define an interface that ALL control nodes
+# should use to propagate the VIP, define it here. Otherwise, kube-vip
+# will determine the right interface automatically at runtime.
+kube_vip_iface: null
+
 server_init_args: >-
   {% if groups['master'] | length > 1 %}
     {% if ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname'] %}
       --cluster-init
     {% else %}
-      --server https://{{ hostvars[groups['master'][0]].k3s_node_ip }}:6443
+      --server https://{{ hostvars[groups['master'][0]].k3s_node_ip | split(",") | first | ansible.utils.ipwrap }}:6443
     {% endif %}
     --token {{ k3s_token }}
   {% endif %}

roles/k3s/master/tasks/main.yml

@@ -13,51 +13,11 @@
   args:
     warn: false  # The ansible systemd module does not support reset-failed
 
-- name: Create manifests directory on first master
+- name: Deploy vip manifest
-  file:
+  include_tasks: vip.yml
-    path: /var/lib/rancher/k3s/server/manifests
-    state: directory
-    owner: root
-    group: root
-    mode: 0644
-  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']
 
-- name: Copy vip rbac manifest to first master
+- name: Deploy metallb manifest
-  template:
+  include_tasks: metallb.yml
-    src: "vip.rbac.yaml.j2"
-    dest: "/var/lib/rancher/k3s/server/manifests/vip-rbac.yaml"
-    owner: root
-    group: root
-    mode: 0644
-  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']
-
-- name: Copy vip manifest to first master
-  template:
-    src: "vip.yaml.j2"
-    dest: "/var/lib/rancher/k3s/server/manifests/vip.yaml"
-    owner: root
-    group: root
-    mode: 0644
-  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']
-
-# these will be copied and installed now, then tested later and apply config
-- name: Copy metallb namespace to first master
-  template:
-    src: "metallb.namespace.j2"
-    dest: "/var/lib/rancher/k3s/server/manifests/metallb-namespace.yaml"
-    owner: root
-    group: root
-    mode: 0644
-  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']
-
-- name: Copy metallb namespace to first master
-  template:
-    src: "metallb.crds.j2"
-    dest: "/var/lib/rancher/k3s/server/manifests/metallb-crds.yaml"
-    owner: root
-    group: root
-    mode: 0644
-  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']
 
 - name: Init cluster inside the transient k3s-init service
   command:
@@ -66,8 +26,6 @@
                       --unit=k3s-init \
                       k3s server {{ server_init_args }}"
     creates: "{{ systemd_dir }}/k3s.service"
-  args:
-    warn: false  # The ansible systemd module does not support transient units
 
 - name: Verification
   block:
@@ -139,24 +97,24 @@
 
 - name: Create directory .kube
   file:
-    path: ~{{ ansible_user }}/.kube
+    path: "{{ ansible_user_dir }}/.kube"
     state: directory
-    owner: "{{ ansible_user }}"
+    owner: "{{ ansible_user_id }}"
     mode: "u=rwx,g=rx,o="
 
 - name: Copy config file to user home directory
   copy:
     src: /etc/rancher/k3s/k3s.yaml
-    dest: ~{{ ansible_user }}/.kube/config
+    dest: "{{ ansible_user_dir }}/.kube/config"
     remote_src: yes
-    owner: "{{ ansible_user }}"
+    owner: "{{ ansible_user_id }}"
     mode: "u=rw,g=,o="
 
 - name: Configure kubectl cluster to {{ endpoint_url }}
   command: >-
     k3s kubectl config set-cluster default
       --server={{ endpoint_url }}
-      --kubeconfig ~{{ ansible_user }}/.kube/config
+      --kubeconfig {{ ansible_user_dir }}/.kube/config
   changed_when: true
   vars:
     endpoint_url: >-

roles/k3s/master/tasks/metallb.yml

@@ -0,0 +1,30 @@
+---
+- name: Create manifests directory on first master
+  file:
+    path: /var/lib/rancher/k3s/server/manifests
+    state: directory
+    owner: root
+    group: root
+    mode: 0644
+  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']
+
+- name: "Download to first master: manifest for metallb-{{ metal_lb_type }}"
+  ansible.builtin.get_url:
+    url: "https://raw.githubusercontent.com/metallb/metallb/{{ metal_lb_controller_tag_version }}/config/manifests/metallb-{{metal_lb_type}}.yaml"  # noqa yaml[line-length]
+    dest: "/var/lib/rancher/k3s/server/manifests/metallb-crds.yaml"
+    owner: root
+    group: root
+    mode: 0644
+  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']
+
+- name: Set image versions in manifest for metallb-{{ metal_lb_type }}
+  ansible.builtin.replace:
+    path: "/var/lib/rancher/k3s/server/manifests/metallb-crds.yaml"
+    regexp: "{{ item.change | ansible.builtin.regex_escape }}"
+    replace: "{{ item.to }}"
+  with_items:
+    - change: "metallb/speaker:{{ metal_lb_controller_tag_version }}"
+      to: "metallb/speaker:{{ metal_lb_speaker_tag_version }}"
+  loop_control:
+    label: "{{ item.change }} => {{ item.to }}"
+  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']

roles/k3s/master/tasks/vip.yml

@@ -0,0 +1,27 @@
+---
+- name: Create manifests directory on first master
+  file:
+    path: /var/lib/rancher/k3s/server/manifests
+    state: directory
+    owner: root
+    group: root
+    mode: 0644
+  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']
+
+- name: Download vip rbac manifest to first master
+  ansible.builtin.get_url:
+    url: "https://raw.githubusercontent.com/kube-vip/kube-vip/{{ kube_vip_tag_version }}/docs/manifests/rbac.yaml"
+    dest: "/var/lib/rancher/k3s/server/manifests/vip-rbac.yaml"
+    owner: root
+    group: root
+    mode: 0644
+  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']
+
+- name: Copy vip manifest to first master
+  template:
+    src: "vip.yaml.j2"
+    dest: "/var/lib/rancher/k3s/server/manifests/vip.yaml"
+    owner: root
+    group: root
+    mode: 0644
+  when: ansible_hostname == hostvars[groups['master'][0]]['ansible_hostname']

roles/k3s/master/templates/metallb.namespace.j2

@@ -1,6 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: metallb-system
-  labels:
-    app: metallb

roles/k3s/master/templates/vip.rbac.yaml.j2

@@ -1,32 +0,0 @@
-apiVersion: v1
-kind: ServiceAccount
-metadata:
-  name: kube-vip
-  namespace: kube-system
----
-apiVersion: rbac.authorization.k8s.io/v1
-kind: ClusterRole
-metadata:
-  annotations:
-    rbac.authorization.kubernetes.io/autoupdate: "true"
-  name: system:kube-vip-role
-rules:
-  - apiGroups: [""]
-    resources: ["services", "services/status", "nodes", "endpoints"]
-    verbs: ["list","get","watch", "update"]
-  - apiGroups: ["coordination.k8s.io"]
-    resources: ["leases"]
-    verbs: ["list", "get", "watch", "update", "create"]
----
-kind: ClusterRoleBinding
-apiVersion: rbac.authorization.k8s.io/v1
-metadata:
-  name: system:kube-vip-binding
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: ClusterRole
-  name: system:kube-vip-role
-subjects:
-- kind: ServiceAccount
-  name: kube-vip
-  namespace: kube-system

roles/k3s/master/templates/vip.yaml.j2

@@ -30,8 +30,10 @@ spec:
           value: "true"
         - name: port
           value: "6443"
+{% if kube_vip_iface %}
         - name: vip_interface
-          value: {{ flannel_iface }}
+          value: {{ kube_vip_iface }}
+{% endif %}
         - name: vip_cidr
           value: "{{ apiserver_endpoint | ansible.utils.ipsubnet | ansible.utils.ipaddr('prefix') }}"
         - name: cp_enable

roles/k3s/post/tasks/main.yml

@@ -1,92 +1,6 @@
 ---
-- name: Create manifests directory for temp configuration
+- name: Deploy metallb pool
-  file:
+  include_tasks: metallb.yml
-    path: /tmp/k3s
-    state: directory
-    owner: "{{ ansible_user }}"
-    mode: 0755
-  with_items: "{{ groups['master'] }}"
-  run_once: true
-
-- name: Copy metallb CRs manifest to first master
-  template:
-    src: "metallb.crs.j2"
-    dest: "/tmp/k3s/metallb-crs.yaml"
-    owner: "{{ ansible_user }}"
-    mode: 0755
-  with_items: "{{ groups['master'] }}"
-  run_once: true
-
-- name: Test metallb-system namespace
-  command: >-
-    k3s kubectl -n metallb-system
-  changed_when: false
-  with_items: "{{ groups['master'] }}"
-  run_once: true
-
-- name: Wait for MetalLB resources
-  command: >-
-    k3s kubectl wait {{ item.resource }}
-    --namespace='metallb-system'
-    {% if item.name | default(False) -%}{{ item.name }}{%- endif %}
-    {% if item.selector | default(False) -%}--selector='{{ item.selector }}'{%- endif %}
-    {% if item.condition | default(False) -%}{{ item.condition }}{%- endif %}
-    --timeout='{{ metal_lb_available_timeout }}'
-  changed_when: false
-  run_once: true
-  with_items:
-    - description: controller
-      resource: deployment
-      name: controller
-      condition: --for condition=Available=True
-    - description: webhook service
-      resource: pod
-      selector: component=controller
-      condition: --for=jsonpath='{.status.phase}'=Running
-    - description: pods in replica sets
-      resource: pod
-      selector: component=controller,app=metallb
-      condition: --for condition=Ready
-    - description: ready replicas of controller
-      resource: replicaset
-      selector: component=controller,app=metallb
-      condition: --for=jsonpath='{.status.readyReplicas}'=1
-    - description: fully labeled replicas of controller
-      resource: replicaset
-      selector: component=controller,app=metallb
-      condition: --for=jsonpath='{.status.fullyLabeledReplicas}'=1
-    - description: available replicas of controller
-      resource: replicaset
-      selector: component=controller,app=metallb
-      condition: --for=jsonpath='{.status.availableReplicas}'=1
-  loop_control:
-    label: "{{ item.description }}"
-
-- name: Test metallb-system webhook-service endpoint
-  command: >-
-    k3s kubectl -n metallb-system get endpoints webhook-service
-  changed_when: false
-  with_items: "{{ groups['master'] }}"
-  run_once: true
-
-- name: Apply metallb CRs
-  command: >-
-    k3s kubectl apply -f /tmp/k3s/metallb-crs.yaml
-    --timeout='{{ metal_lb_available_timeout }}'
-  register: this
-  changed_when: false
-  run_once: true
-  until: this.rc == 0
-  retries: 5
-
-- name: Test metallb-system resources
-  command: >-
-    k3s kubectl -n metallb-system get {{ item }}
-  changed_when: false
-  run_once: true
-  with_items:
-    - IPAddressPool
-    - L2Advertisement
 
 - name: Remove tmp directory used for manifests
   file:

roles/k3s/post/tasks/metallb.yml

@@ -0,0 +1,101 @@
+---
+- name: Create manifests directory for temp configuration
+  file:
+    path: /tmp/k3s
+    state: directory
+    owner: "{{ ansible_user_id }}"
+    mode: 0755
+  with_items: "{{ groups['master'] }}"
+  run_once: true
+
+- name: Copy metallb CRs manifest to first master
+  template:
+    src: "metallb.crs.j2"
+    dest: "/tmp/k3s/metallb-crs.yaml"
+    owner: "{{ ansible_user_id }}"
+    mode: 0755
+  with_items: "{{ groups['master'] }}"
+  run_once: true
+
+- name: Test metallb-system namespace
+  command: >-
+    k3s kubectl -n metallb-system
+  changed_when: false
+  with_items: "{{ groups['master'] }}"
+  run_once: true
+
+- name: Wait for MetalLB resources
+  command: >-
+    k3s kubectl wait {{ item.resource }}
+    --namespace='metallb-system'
+    {% if item.name | default(False) -%}{{ item.name }}{%- endif %}
+    {% if item.selector | default(False) -%}--selector='{{ item.selector }}'{%- endif %}
+    {% if item.condition | default(False) -%}{{ item.condition }}{%- endif %}
+    --timeout='{{ metal_lb_available_timeout }}'
+  changed_when: false
+  run_once: true
+  with_items:
+    - description: controller
+      resource: deployment
+      name: controller
+      condition: --for condition=Available=True
+    - description: webhook service
+      resource: pod
+      selector: component=controller
+      condition: --for=jsonpath='{.status.phase}'=Running
+    - description: pods in replica sets
+      resource: pod
+      selector: component=controller,app=metallb
+      condition: --for condition=Ready
+    - description: ready replicas of controller
+      resource: replicaset
+      selector: component=controller,app=metallb
+      condition: --for=jsonpath='{.status.readyReplicas}'=1
+    - description: fully labeled replicas of controller
+      resource: replicaset
+      selector: component=controller,app=metallb
+      condition: --for=jsonpath='{.status.fullyLabeledReplicas}'=1
+    - description: available replicas of controller
+      resource: replicaset
+      selector: component=controller,app=metallb
+      condition: --for=jsonpath='{.status.availableReplicas}'=1
+  loop_control:
+    label: "{{ item.description }}"
+
+- name: Test metallb-system webhook-service endpoint
+  command: >-
+    k3s kubectl -n metallb-system get endpoints webhook-service
+  changed_when: false
+  with_items: "{{ groups['master'] }}"
+  run_once: true
+
+- name: Apply metallb CRs
+  command: >-
+    k3s kubectl apply -f /tmp/k3s/metallb-crs.yaml
+    --timeout='{{ metal_lb_available_timeout }}'
+  register: this
+  changed_when: false
+  run_once: true
+  until: this.rc == 0
+  retries: 5
+
+- name: Test metallb-system resources for Layer 2 configuration
+  command: >-
+    k3s kubectl -n metallb-system get {{ item }}
+  changed_when: false
+  run_once: true
+  when: metal_lb_mode == "layer2"
+  with_items:
+    - IPAddressPool
+    - L2Advertisement
+
+- name: Test metallb-system resources for BGP configuration
+  command: >-
+    k3s kubectl -n metallb-system get {{ item }}
+  changed_when: false
+  run_once: true
+  when: metal_lb_mode == "bgp"
+  with_items:
+    - IPAddressPool
+    - BGPPeer
+    - BGPAdvertisement

roles/k3s/post/templates/metallb.crs.j2

@@ -13,9 +13,31 @@ spec:
 {% for range in metal_lb_ip_range %}
   - {{ range }}
 {% endfor %}
+
+{% if metal_lb_mode == "layer2" %}
 ---
 apiVersion: metallb.io/v1beta1
 kind: L2Advertisement
 metadata:
   name: default
   namespace: metallb-system
+{% endif %}
+{% if metal_lb_mode == "bgp" %}
+---
+apiVersion: metallb.io/v1beta2
+kind: BGPPeer
+metadata:
+  name: default
+  namespace: metallb-system
+spec:
+  myASN: {{ metal_lb_bgp_my_asn }}
+  peerASN: {{ metal_lb_bgp_peer_asn }}
+  peerAddress: {{ metal_lb_bgp_peer_address }}
+
+---
+apiVersion: metallb.io/v1beta1
+kind: BGPAdvertisement
+metadata:
+  name: default
+  namespace: metallb-system
+{% endif %}

roles/lxc/handlers/main.yml

@@ -0,0 +1,4 @@
+---
+- name: reboot server
+  become: true
+  reboot:

roles/lxc/tasks/main.yml

@@ -0,0 +1,21 @@
+---
+- name: Check for rc.local file
+  stat:
+    path: /etc/rc.local
+  register: rcfile
+
+- name: Create rc.local if needed
+  lineinfile:
+    path: /etc/rc.local
+    line: "#!/bin/sh -e"
+    create: true
+    insertbefore: BOF
+    mode: "u=rwx,g=rx,o=rx"
+  when: not rcfile.stat.exists
+
+- name: Write rc.local file
+  blockinfile:
+    path: /etc/rc.local
+    content: "{{ lookup('template', 'templates/rc.local.j2') }}"
+    state: present
+  notify: reboot server

roles/proxmox_lxc/handlers/main.yml

@@ -0,0 +1,5 @@
+---
+- name: reboot containers
+  command:
+    "pct reboot {{ item }}"
+  loop: "{{ proxmox_lxc_filtered_ids }}"

roles/proxmox_lxc/tasks/main.yml

@@ -0,0 +1,50 @@
+---
+- name: check for container files that exist on this host
+  stat:
+    path: "/etc/pve/lxc/{{ item }}.conf"
+  loop: "{{ proxmox_lxc_ct_ids }}"
+  register: stat_results
+
+- name: filter out files that do not exist
+  set_fact:
+    proxmox_lxc_filtered_files:
+      '{{ stat_results.results | rejectattr("stat.exists", "false") | map(attribute="stat.path") }}'
+
+# used for the reboot handler
+- name: get container ids from filtered files
+  set_fact:
+    proxmox_lxc_filtered_ids:
+      '{{ proxmox_lxc_filtered_files | map("split", "/") | map("last") | map("split", ".") | map("first") }}'
+
+# https://gist.github.com/triangletodd/02f595cd4c0dc9aac5f7763ca2264185
+- name: Ensure lxc config has the right apparmor profile
+  lineinfile:
+    dest: "{{ item }}"
+    regexp: "^lxc.apparmor.profile"
+    line: "lxc.apparmor.profile: unconfined"
+  loop: "{{ proxmox_lxc_filtered_files }}"
+  notify: reboot containers
+
+- name: Ensure lxc config has the right cgroup
+  lineinfile:
+    dest: "{{ item }}"
+    regexp: "^lxc.cgroup.devices.allow"
+    line: "lxc.cgroup.devices.allow: a"
+  loop: "{{ proxmox_lxc_filtered_files }}"
+  notify: reboot containers
+
+- name: Ensure lxc config has the right cap drop
+  lineinfile:
+    dest: "{{ item }}"
+    regexp: "^lxc.cap.drop"
+    line: "lxc.cap.drop: "
+  loop: "{{ proxmox_lxc_filtered_files }}"
+  notify: reboot containers
+
+- name: Ensure lxc config has the right mounts
+  lineinfile:
+    dest: "{{ item }}"
+    regexp: "^lxc.mount.auto"
+    line: 'lxc.mount.auto: "proc:rw sys:rw"'
+  loop: "{{ proxmox_lxc_filtered_files }}"
+  notify: reboot containers

roles/raspberrypi/handlers/main.yml

@@ -1,3 +1,3 @@
 ---
-- name: Reboot
+- name: reboot
   reboot:

roles/reset/tasks/main.yml

@@ -54,3 +54,31 @@
   file:
     path: /tmp/k3s
     state: absent
+
+- name: Check if rc.local exists
+  stat:
+    path: /etc/rc.local
+  register: rcfile
+
+- name: Remove rc.local modifications for proxmox lxc containers
+  become: true
+  blockinfile:
+    path: /etc/rc.local
+    content: "{{ lookup('template', 'templates/rc.local.j2') }}"
+    create: false
+    state: absent
+  when: proxmox_lxc_configure and rcfile.stat.exists
+
+- name: Check rc.local for cleanup
+  become: true
+  slurp:
+    src: /etc/rc.local
+  register: rcslurp
+  when: proxmox_lxc_configure and rcfile.stat.exists
+
+- name: Cleanup rc.local if we only have a Shebang line
+  become: true
+  file:
+    path: /etc/rc.local
+    state: absent
+  when: proxmox_lxc_configure and rcfile.stat.exists and ((rcslurp.content | b64decode).splitlines() | length) <= 1

roles/reset_proxmox_lxc/handlers/main.yml

@@ -0,0 +1,5 @@
+---
+- name: reboot containers
+  command:
+    "pct reboot {{ item }}"
+  loop: "{{ proxmox_lxc_filtered_ids }}"

roles/reset_proxmox_lxc/tasks/main.yml

@@ -0,0 +1,53 @@
+---
+- name: check for container files that exist on this host
+  stat:
+    path: "/etc/pve/lxc/{{ item }}.conf"
+  loop: "{{ proxmox_lxc_ct_ids }}"
+  register: stat_results
+
+- name: filter out files that do not exist
+  set_fact:
+    proxmox_lxc_filtered_files:
+      '{{ stat_results.results | rejectattr("stat.exists", "false") | map(attribute="stat.path") }}'
+
+# used for the reboot handler
+- name: get container ids from filtered files
+  set_fact:
+    proxmox_lxc_filtered_ids:
+      '{{ proxmox_lxc_filtered_files | map("split", "/") | map("last") | map("split", ".") | map("first") }}'
+
+- name: Remove LXC apparmor profile
+  lineinfile:
+    dest: "{{ item }}"
+    regexp: "^lxc.apparmor.profile"
+    line: "lxc.apparmor.profile: unconfined"
+    state: absent
+  loop: "{{ proxmox_lxc_filtered_files }}"
+  notify: reboot containers
+
+- name: Remove lxc cgroups
+  lineinfile:
+    dest: "{{ item }}"
+    regexp: "^lxc.cgroup.devices.allow"
+    line: "lxc.cgroup.devices.allow: a"
+    state: absent
+  loop: "{{ proxmox_lxc_filtered_files }}"
+  notify: reboot containers
+
+- name: Remove lxc cap drop
+  lineinfile:
+    dest: "{{ item }}"
+    regexp: "^lxc.cap.drop"
+    line: "lxc.cap.drop: "
+    state: absent
+  loop: "{{ proxmox_lxc_filtered_files }}"
+  notify: reboot containers
+
+- name: Remove lxc mounts
+  lineinfile:
+    dest: "{{ item }}"
+    regexp: "^lxc.mount.auto"
+    line: 'lxc.mount.auto: "proc:rw sys:rw"'
+    state: absent
+  loop: "{{ proxmox_lxc_filtered_files }}"
+  notify: reboot containers

site.yml

@@ -1,24 +1,36 @@
 ---
 
+- hosts: proxmox
+  gather_facts: true
+  become: yes
+  roles:
+    - role: proxmox_lxc
+      when: proxmox_lxc_configure
+
 - hosts: k3s_cluster
   gather_facts: yes
-  become: yes
   roles:
+    - role: lxc
+      become: true
+      when: proxmox_lxc_configure
     - role: prereq
+      become: true
     - role: download
+      become: true
     - role: raspberrypi
+      become: true
 
 - hosts: master
-  become: yes
   roles:
     - role: k3s/master
+      become: true
 
 - hosts: node
-  become: yes
   roles:
     - role: k3s/node
+      become: true
 
 - hosts: master
-  become: yes
   roles:
     - role: k3s/post
+      become: true

templates/rc.local.j2

@@ -0,0 +1,8 @@
+# Kubeadm 1.15 needs /dev/kmsg to be there, but it's not in lxc, but we can just use /dev/console instead
+# see: https://github.com/kubernetes-sigs/kind/issues/662
+if [ ! -e /dev/kmsg ]; then
+    ln -s /dev/console /dev/kmsg
+fi
+
+# https://medium.com/@kvaps/run-kubernetes-in-lxc-container-f04aa94b6c9c
+mount --make-rshared /