add k0s support (#1123)

* ignore idea

* Initial work on support for k0s

* *  Changed config param to bootstrap_distribution
*  Replaced democratic-csi with openebs
*  Added notes about system-upgrade-controller being ignored with k0s
*  Removed password for nodes

* *  Switched to single storage path for openebs
*  Removed democratic-csi helm repo
*  Added missing openebs helm repo
*  Fixed template formatting
*  Made bootstrap_private_github_repo hidden/undocumented
*  Updated flux cluster config to accommodate bootstrap_private_github_repo

* *  added the storageclass name to be declarative

* *  added newline
*  set chart wait false

* *  fixed spacing in K0sTasks
*  fixed openebs path
*  properly added openebs helm repo

* *  updated configure task to use venv
*  renamed bootstrap_kube_vip_addr to bootstrap_kubeapi_addr
*  renamed bootstrap_kube_vip_addr derived variables accordingly

* *  tweaked configure task cmd
*  started work on k0s-config.yaml template

* *  tweaked k0s task cmd
*  moved coredns under addons rather than optional
*  fixed typo in coredns task
*  normalized formatting in k0s-config
*  disabled telemetry in k0s-config
*  added renovate to k0s-config
*  removed tunnel and added routing mode in k0s-config cilium chart values
*  updated docs in config example
*  fixed issue with k0s-config controller role so it didn't default to worker+controller if more than one master

* *  fixed whitespace

* add k0sctl to brew tasks

* Update bootstrap/vars/config.sample.yaml

* Update bootstrap/vars/config.sample.yaml

* Update k0s-config.yaml.j2

* Update config.sample.yaml

* controllerManager and scheduler bind to `0.0.0.0` for metrics

* Update custom-cilium-helmchart.yaml.j2.j2

* Update helmvalues.yaml.j2

* Update bootstrap/tasks/addons/main.yaml

* first pass at readme updates

* update placement of k0sconfig options

* disable telemetry on k0sctl too

* disable k0s telemetry in env too

* update: jinja spacing in k0sconfig

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: ensure bootstrap_local_storage_path is delete on nuke

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: update renovate regex for k3s/k0s

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: update nuke playbook and only include k3s task when k3s

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: update nuke playbook and only include k3s task when k3s and include jinja comments

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>
Co-authored-by: Devin Buhl <onedr0p@users.noreply.github.com>
Co-authored-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/kubernetes/flux/config/cluster.yaml.j2

@@ -1,3 +1,4 @@
+#jinja2: trim_blocks: True, lstrip_blocks: True
 ---
 apiVersion: source.toolkit.fluxcd.io/v1
 kind: GitRepository
@@ -8,7 +9,13 @@ spec:
   interval: 30m
   ref:
     branch: {{ bootstrap_github_repository_branch | default('main', true) }}
+  {% if bootstrap_private_github_repo | default(false) %}
+  secretRef:
+    name: github-deploy-key
+  url: "ssh://github.com/{{ bootstrap_github_username }}/{{ bootstrap_github_repository_name }}"
+  {% else %}
   url: "https://github.com/{{ bootstrap_github_username }}/{{ bootstrap_github_repository_name }}.git"
+  {% endif %}
   ignore: |
     # exclude all
     /*

bootstrap/templates/kubernetes/flux/repositories/helm/kustomization.yaml.j2

@@ -8,7 +8,6 @@ resources:
   - ./cilium.yaml
   - ./coredns.yaml
   - ./csi-driver-nfs.yaml
-  - ./democratic-csi.yaml
   - ./descheduler.yaml
   - ./external-dns.yaml
   - ./grafana.yaml
@@ -18,6 +17,7 @@ resources:
   - ./k8s-gateway.yaml
   - ./kubernetes-dashboard.yaml
   - ./metrics-server.yaml
+  - ./openebs.yaml
   - ./piraeus.yaml
   - ./prometheus-community.yaml
   - ./stakater.yaml

bootstrap/templates/kubernetes/flux/repositories/helm/openebs.yaml.j2

@@ -2,8 +2,8 @@
 apiVersion: source.toolkit.fluxcd.io/v1beta2
 kind: HelmRepository
 metadata:
-  name: democratic-csi
+  name: openebs
   namespace: flux-system
 spec:
   interval: 1h
-  url: https://democratic-csi.github.io/charts/
+  url: https://openebs.github.io/charts

bootstrap/templates/kubernetes/flux/vars/cluster-settings.yaml.j2

@@ -8,7 +8,7 @@ metadata:
 data:
   TIMEZONE: "{{ bootstrap_timezone }}"
   COREDNS_ADDR: "{{ bootstrap_service_cidr.split(',')[0] | ansible.utils.nthhost(10) }}"
-  KUBE_VIP_ADDR: "{{ bootstrap_kube_vip_addr }}"
+  KUBEAPI_ADDR: "{{ bootstrap_kubeapi_addr }}"
   CLUSTER_CIDR: "{{ bootstrap_cluster_cidr.split(',')[0] }}"
   SERVICE_CIDR: "{{ bootstrap_service_cidr.split(',')[0] }}"
   NODE_CIDR: "{{ bootstrap_node_cidr }}"