install-k3s: test with ubuntu-22.04

.github/actions/install-k3s/action.yml

@@ -4,73 +4,24 @@ description: 'GitHub Action composite to install k3s'
 
 inputs:
   version:
-    description: 'k3s version. (e.g, v1.21.2-k3s1)'
+    description: 'k3s version. (e.g, v1.29.0+k3s1)'
     required: true
-    default: 'v1.21.2-k3s1'
+    default: 'v1.29.0+k3s1'
 
 runs:
   using: "composite"
   steps:
     -
-      uses: actions/github-script@v7
-      with:
-        script: |
-            const fs = require('fs');
-
-            let wait = function(milliseconds) {
-              return new Promise((resolve, reject) => {
-                if (typeof(milliseconds) !== 'number') {
-                  throw new Error('milleseconds not a number');
-                }
-                setTimeout(() => resolve("done!"), milliseconds)
-              });
-            }
-
-            try {
-              const kubeconfig="${{ env.TEMPDIR }}/kubeconfig.yaml";
-              core.info(`storing kubeconfig in ${kubeconfig}`);
-
-              await exec.exec('docker', ["run", "-d",
-                "--privileged",
-                "--name=install-k3s-action",
-                "-e", "K3S_KUBECONFIG_OUTPUT="+kubeconfig,
-                "-e", "K3S_KUBECONFIG_MODE=666",
-                "-v", "${{ env.TEMPDIR }}:${{ env.TEMPDIR }}",
-                "-p", "6443:6443",
-                "-p", "80:80",
-                "-p", "443:443",
-                "-p", "8080:8080",
-                "rancher/k3s:${{ inputs.version }}",
-                "server"
-              ]);
-              await wait(10000);
-
-              core.exportVariable('KUBECONFIG', kubeconfig);
-
-              let nodeName;
-              for (let count = 1; count <= ${{ env.RETRIES }}; count++) {
-                try {
-                  const nodeNameOutput = await exec.getExecOutput("kubectl get nodes --no-headers -oname");
-                  nodeName = nodeNameOutput.stdout
-                } catch (error) {
-                  core.info(`Unable to resolve node name (${error.message}). Attempt ${count} of ${{ env.RETRIES }}.`)
-                } finally {
-                  if (nodeName) {
-                    break;
-                  }
-                  await wait(5000);
-                }
-              }
-              if (!nodeName) {
-                await exec.exec(`yq ${kubeconfig}`);
-                throw new Error(`Unable to resolve node name after ${{ env.RETRIES }} attempts.`);
-              }
-
-              await exec.exec(`kubectl wait --for=condition=Ready ${nodeName}`);
-              await exec.exec(`yq ${kubeconfig}`);
-            } catch (error) {
-              core.setFailed(error.message);
-            }
+      run: |
+        set -x
+        curl -sfL https://get.k3s.io | sh -s - server --docker --disable-network-policy --disable traefik --disable metrics-server --flannel-backend=none --write-kubeconfig-mode 666 || journalctl -xeu k3s.service --no-pager
+        sudo k3s kubectl get node
+
+        kubeConfig=${RUNNER_TEMP}/.kube/config
+        mkdir -p "${RUNNER_TEMP}/.kube"
+        echo "KUBECONFIG=${kubeConfig}" >> $GITHUB_ENV
+        sudo cat /etc/rancher/k3s/k3s.yaml > "${kubeConfig}"
+        chmod 600 "${kubeConfig}"
       env:
-        TEMPDIR: /tmp/install-k3s-action
-        RETRIES: '10'
+        INSTALL_K3S_VERSION: ${{ inputs.version }}
+      shell: bash

.github/workflows/test.yml

@@ -86,16 +86,21 @@ jobs:
           jq . buildx-releases-pin.json
 
   install-k3s:
-    runs-on: ubuntu-20.04
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-20.04
+          - ubuntu-22.04
+          - ubuntu-24.04
     steps:
       -
         name: Checkout
         uses: actions/checkout@v4
       -
         name: Install k3s
         uses: ./.github/actions/install-k3s
-        with:
-          version: v1.21.2-k3s1
 
   list-commits:
     uses: ./.github/workflows/list-commits.yml

README.md

@@ -117,9 +117,7 @@ on:
 
 jobs:
   install-k3s:
-    # does not work with ubuntu-22.04 atm:
-    # E0310 17:16:57.210215    2047 memcache.go:238] couldn't get current server API group list: Get "https://127.0.0.1:6443/api?timeout=32s": dial tcp 127.0.0.1:6443: connect: connection refused
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       -
         name: Checkout
@@ -128,7 +126,7 @@ jobs:
         name: Install k3s
         uses: crazy-max/.github/.github/actions/install-k3s@main
         with:
-          version: v1.21.2-k3s1
+          version: v1.24.4+k3s1
 ```
 
 ## Reusable workflows