chore: update dependency k3s-io/k3s to v1.31.0+k3s1

- remove docker-compose.yml
- add ansible playbook for k3s and argocd deployment
- update renovate custom manager for k3s version
- update README.md with new instructions

🤖

.renovaterc.json

@@ -6,18 +6,33 @@
   "customManagers": [
     {
       "customType": "regex",
-      "description": "ArgoCD",
+      "description": "k3s",
       "fileMatch": [
-        "k0s-config\\.yaml$"
+        "playbook\\.yml"
       ],
       "matchStrings": [
-        "\\s+version:\\s(?<currentValue>.*)\\s+#\\s+depName=(?<depName>.*)\\s+repoUrl=(?<registryUrl>.*)"
+        "\\s+k3s_version:\\s(?<currentValue>.*)"
       ],
+      "depNameTemplate": "k3s-io/k3s",
+      "datasourceTemplate": "github-releases"
+    },
+    {
+      "customType": "regex",
+      "description": "ArgoCD",
+      "fileMatch": [
+        "^argocd-init/.*\\.yml$"
+      ],
+      "matchStrings": [
+       "\\s+chart:\\s(?<depName>.*)",
+       "\\s+repo:\\s(?<registryUrl>.*)",
+       "\\s+version:\\s(?<currentValue>.*)"
+      ],
+      "matchStringsStrategy": "combination",
       "datasourceTemplate": "helm"
     },
     {
       "customType": "regex",
-      "description": "Baseline",
+      "description": "Baseline Manifests",
       "fileMatch": [
         "\\.jsonnet$"
       ],

README.md

@@ -1,6 +1,6 @@
-# k0s Kubernetes + Baseline
+# k3s Kubernetes + ArgoCD + Baseline
 
-* [k0s](https://docs.k0sproject.io/stable/)
+* [k3s](https://docs.k3s.io/)
 * [ArgoCD](https://argoproj.github.io/cd/)
   * [NGINX Ingress Controller](https://kubernetes.github.io/ingress-nginx/)
   * [cert-manager](https://cert-manager.io/)
@@ -10,13 +10,36 @@
   * [keel](https://keel.sh)
   * [reloader](https://github.com/stakater/Reloader)
 
-## Run (k0s + baseline)
+## Run (Deploy k3s + ArgoCD + Baseline)
 
-`docker compose up`
+`ansible-playbook k3s_boostrap.yml -i <host|ip>,`
 
 ### Get kubeconfig
 
-`docker compose exec -it k0s k0s kubeconfig admin`
+`cat /etc/rancher/k3s/k3s.yml`
+
+### Add Agents
+
+#### Get Agent Token
+
+> The secure token format (occasionally referred to as a "full" token) contains the following parts:
+> 
+> \<prefix\>\<cluster CA hash\>::\<credentials\>
+
+Get existing server token:
+`cat /var/lib/docker/volumes/baseline_k3s-data/_data/server/token`
+
+Create new token:
+`docker compose exec -it k3s k3s token create`
+
+#### Register Agent/Worker
+
+```bash
+export K3S_URL=https://<cpn.fqdn>:6443
+export K3S_NODE_NAME=<node.fqdn>
+export K3S_TOKEN=<full-token>
+curl -sfL https://get.k3s.io | sh -s -
+```
 
 ## Notes
 
@@ -27,6 +50,22 @@ To retrieve the initial admin password use
 
 To change the password follow [Argocd account update password](https://argo-cd.readthedocs.io/en/stable/user-guide/commands/argocd_account_update-password/).
 
+#### Sync Applications with Kubectl
+
+Add to application:
+```yaml
+operation:
+  sync:
+    syncStrategy:
+      hook: {}
+```
+
+### Zabbix Monitoring
+
+See: [infrastructure/zabbix-config - Zabbix Kubernetes Monitoring](https://git.smsvc.net/infrastructure/zabbix-config/src/branch/master/Zabbix-Kubernetes.md)
+
+## Cloud Setups
+
 ### Linode
 
 PROXY protocol needs to be enabled for ingress-nginx to see the clients IP in ingress log.

argocd-bootstrap/000-namespace.yml

@@ -0,0 +1,5 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: argocd

argocd-bootstrap/001-helm-argocd.yml

@@ -0,0 +1,19 @@
+---
+apiVersion: helm.cattle.io/v1
+kind: HelmChart
+metadata:
+  name: argocd
+  namespace: kube-system
+spec:
+  # do not change order! (needed for renovate)
+  chart: argo-cd
+  repo: https://argoproj.github.io/argo-helm
+  version: 7.5.2
+  targetNamespace: argocd
+  valuesContent: |-
+    applicationSet:
+      enabled: false
+    notifications:
+      enabled: false
+    dex:
+      enabled: false

argocd-bootstrap/002-helm-argocd-apps.yml

@@ -0,0 +1,12 @@
+---
+apiVersion: helm.cattle.io/v1
+kind: HelmChart
+metadata:
+  name: argocd-apps
+  namespace: kube-system
+spec:
+  # do not change order! (needed for renovate)
+  chart: argocd-apps
+  repo: https://argoproj.github.io/argo-helm
+  version: 2.0.0
+  targetNamespace: argocd

argocd-bootstrap/003-baseline-project.yml

@@ -0,0 +1,17 @@
+---
+apiVersion: argoproj.io/v1alpha1
+kind: AppProject
+metadata:
+  name: baseline
+  namespace: argocd
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  sourceRepos:
+  - '*'
+  destinations:
+  - namespace: '*'
+    server: '*'
+  clusterResourceWhitelist:
+  - group: '*'
+    kind: '*'

argocd-bootstrap/004-baseline-app.yml

@@ -0,0 +1,25 @@
+---
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: baseline
+  namespace: argocd
+spec:
+  project: baseline
+  source:
+    repoURL: 'https://git.smsvc.net/k8s/baseline.git'
+    targetRevision: HEAD
+    path: manifests/
+    directory:
+      recurse: true
+  destination:
+    server: 'https://kubernetes.default.svc'
+    namespace: argocd
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    retry:
+      backoff:
+        duration: 15s
+        maxDuration: 30m

docker-compose.yml

@@ -1,22 +0,0 @@
-services:
-  k0s:
-    image: docker.io/k0sproject/k0s:v1.30.4-k0s.0
-    command: k0s controller --config=/etc/k0s/config.yaml --enable-worker --no-taints
-    restart: always
-    stop_grace_period: 15s
-    hostname: k8s.smsvc.net
-    privileged: true
-    cgroup: host
-    network_mode: host
-    volumes:
-      - k0s-data:/var/lib/k0s/
-      - k0s-run:/run/
-      - k0s-storage:/var/openebs/
-      - k0s-run-udev:/run/udev
-      - ./k0s-config.yaml:/etc/k0s/config.yaml
-
-volumes:
-  k0s-data:
-  k0s-run:
-  k0s-storage:
-  k0s-run-udev:

k0s-config.yaml

@@ -1,97 +0,0 @@
----
-apiVersion: k0s.k0sproject.io/v1beta1
-kind: ClusterConfig
-metadata:
-  name: k0s
-spec:
-
-  api:
-    sans:
-    - k8s.smsvc.net
-
-  telemetry:
-    enabled: false
-
-  extensions:
-    helm:
-      repositories:
-        - name: argocd
-          url: https://argoproj.github.io/argo-helm
-        - name: metallb
-          url: https://metallb.github.io/metallb
-        - name: openebs-internal
-          url: https://openebs.github.io/charts
-
-      charts:
-        - name: openebs
-          chartname: openebs-internal/openebs
-          version: 3.10.0  # depName=openebs repoUrl=https://openebs.github.io/charts
-          namespace: openebs
-          order: 0
-          values: |
-            localprovisioner:
-              hostpathClass:
-                enabled: true
-                isDefaultClass: true
-
-        - name: metallb
-          chartname: metallb/metallb
-          version: 0.14.8 # depName=metallb repoUrl=https://metallb.github.io/metallb
-          namespace: metallb
-          order: 0
-
-        - name: argocd
-          chartname: argocd/argo-cd
-          version: 7.5.0  # depName=argo-cd repoUrl=https://argoproj.github.io/argo-helm
-          namespace: argocd
-          order: 1
-          values: |
-            applicationSet:
-              enabled: false
-            notifications:
-              enabled: false
-            dex:
-              enabled: false
-        - name: argocd-apps
-          chartname: argocd/argocd-apps
-          version: 2.0.0  # depName=argocd-apps repoUrl=https://argoproj.github.io/argo-helm
-          namespace: argocd
-          order: 2
-          values: |
-            projects:
-              baseline:
-                namespace: argocd
-                finalizers:
-                  - resources-finalizer.argocd.argoproj.io
-                sourceRepos:
-                  - '*'
-                destinations:
-                  - namespace: '*'
-                    server: '*'
-                clusterResourceWhitelist:
-                  - group: '*'
-                    kind: '*'
-            applications:
-              baseline:
-                project: baseline
-                finalizers:
-                  - resources-finalizer.argocd.argoproj.io
-                source:
-                  repoURL: 'https://git.smsvc.net/k8s/baseline.git'
-                  targetRevision: HEAD
-                  path: manifests/
-                  directory:
-                    recurse: true
-                destination:
-                  server: 'https://kubernetes.default.svc'
-                  namespace: argocd
-                syncPolicy:
-                  automated:
-                    prune: true
-                    selfHeal: true
-                  retry:
-                    limit: 5
-                    backoff:
-                      duration: 5s
-                      factor: 2
-                      maxDuration: 5m

manifests/cert-manager/cert-manager.jsonnet

@@ -1,4 +1,4 @@
-local app = import "../_templates/argocd_app.libsonnet";
+local app = import "_templates/argocd_app.libsonnet";
 
 [
 app + {

manifests/cert-manager/letsencrypt-issuers.yml

@@ -6,6 +6,7 @@ metadata:
   namespace: cert-manager
   annotations:
     argocd.argoproj.io/sync-options: SkipDryRunOnMissingResource=true
+    argocd.argoproj.io/sync-wave: "2"
 spec:
   acme:
     server: https://acme-v02.api.letsencrypt.org/directory
@@ -23,6 +24,7 @@ metadata:
   namespace: cert-manager
   annotations:
     argocd.argoproj.io/sync-options: SkipDryRunOnMissingResource=true
+    argocd.argoproj.io/sync-wave: "2"
 spec:
   acme:
     server: https://acme-staging-v02.api.letsencrypt.org/directory

manifests/cert-manager/selfsigned-issuer.yaml

@@ -6,5 +6,6 @@ metadata:
   namespace: cert-manager
   annotations:
     argocd.argoproj.io/sync-options: SkipDryRunOnMissingResource=true
+    argocd.argoproj.io/sync-wave: "2"
 spec:
   selfSigned: {}

manifests/ingress-nginx.jsonnet

@@ -1,4 +1,4 @@
-local app = import "../_templates/argocd_app.libsonnet";
+local app = import "_templates/argocd_app.libsonnet";
 
 [
 app + {

manifests/keel.jsonnet

@@ -1,4 +1,4 @@
-local app = import "../_templates/argocd_app.libsonnet";
+local app = import "_templates/argocd_app.libsonnet";
 
 [
 app + {

manifests/metallb-address-pool.yml

@@ -1,10 +0,0 @@
----
-apiVersion: metallb.io/v1beta1
-kind: IPAddressPool
-metadata:
-  name: metallb-address-pool
-  namespace: metallb
-  annotations:
-spec:
-  addresses:
-  - 194.55.14.183/32

manifests/monitoring/zabbix-proxy.jsonnet

@@ -1,4 +1,4 @@
-local app = import "../../_templates/argocd_app.libsonnet";
+local app = import "../_templates/argocd_app.libsonnet";
 
 [
 app + {

manifests/reloader.jsonnet

@@ -1,4 +1,4 @@
-local app = import "../_templates/argocd_app.libsonnet";
+local app = import "_templates/argocd_app.libsonnet";
 
 [
 app + {

playbook.yml

@@ -0,0 +1,61 @@
+# vim: set ft=yaml.ansible:
+---
+- name: Install k3s server
+  hosts: all
+  gather_facts: false
+  tags: k3s-server
+
+  vars:
+    k3s_version: v1.31.0+k3s1
+
+  tasks:
+    - name: Get k3s installed version
+      ansible.builtin.command: k3s --version
+      register: k3s_version_output
+      check_mode: false
+      changed_when: false
+      ignore_errors: true
+
+    - name: Set k3s installed version
+      when: k3s_version_output.rc == 0
+      ansible.builtin.set_fact:
+        installed_k3s_version: "{{ k3s_version_output.stdout_lines[0].split(' ')[2] }}"
+
+    - name: Download and install/update k3s
+      when: (k3s_version_output.rc != 0) or (installed_k3s_version != k3s_version)
+      block:
+        - name: Download K3s install script
+          ansible.builtin.get_url:
+            url: https://get.k3s.io
+            dest: /usr/local/bin/k3s_install.sh
+            mode: "755"
+        - name: Install k3s server
+          ansible.builtin.command: "k3s_install.sh"
+          environment:
+            K3S_NODE_NAME: "{{ inventory_hostname }}"
+            INSTALL_K3S_CHANNEL: "{{ k3s_version }}"
+            INSTALL_K3S_EXEC: "--disable=traefik --tls-san {{ inventory_hostname }}"
+          changed_when: false
+
+    - name: Start and enable k3s server
+      ansible.builtin.service:
+        name: k3s.service
+        state: started
+        enabled: true
+
+    - name: Add restart cronjob
+      ansible.builtin.cron:
+        name: "restart k3s (and regenerate certs if necessary)"
+        special_time: monthly
+        job: "systemctl restart k3s"
+
+- name: Deploy ArgoCD
+  hosts: all
+  gather_facts: false
+  tags: baseline
+  tasks:
+    - name: Copy manifest
+      ansible.builtin.copy:
+        src: argocd-bootstrap/
+        dest: /var/lib/rancher/k3s/server/manifests/argocd-bootstrap/
+        mode: "0755"