test: use base ubuntu:noble image for testing template

.github/workflows/release.yaml

@@ -106,8 +106,8 @@ jobs:
         FETCH_GH_TOKEN=${{ secrets.GITHUB_TOKEN }}
 
   publish-template:
-    runs-on: ubuntu-latest
     needs: [create-release, publish-image]
+    runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
     - name: Checkout
@@ -178,6 +178,7 @@ jobs:
         coder template push \
           --directory ${TEMPLATE_DIR} \
           --var workspace_image=${WORKSPACE_IMAGE} \
+          --var test_mode=false \
           --name ${TEMPLATE_VERSION} \
           --message "${RELEASE_MSG}" \
           --yes \

.github/workflows/test-image.yaml

@@ -6,7 +6,7 @@ name: "test image"
 on:
   pull_request:
     paths:
-    - 'images/**'
+    - 'images/homelab-workspace/**'
     - '.github/workflows/test-image.yaml'
   workflow_dispatch:
 
@@ -81,8 +81,8 @@ jobs:
         echo "Done"
         echo
 
-        echo "Running entrypoint preparation script..."
-        docker exec $container_name sudo -u root /opt/coder/bin/entrypoint-prepare.sh --username $test_user
+        echo "Create test user within container..."
+        docker exec $container_name sudo -u root useradd --groups sudo --shell /bin/bash $test_user
         echo "Done"
         echo
 

.github/workflows/test-template.yaml

@@ -58,21 +58,6 @@ jobs:
         # renovate: datasource=github-releases depName=nestybox/sysbox
         SYSBOX_VERSION: "0.6.4"
 
-    - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@4fd812986e6c8c2a69e18311145f9371337f27d4 # v3
-      with:
-        driver-opts: network=host
-
-    - name: Build image for testing template
-      uses: docker/build-push-action@1a162644f9a7e87d8f4b053101d1d9a712edc18c # v6
-      with:
-        context: ./images/simple-workspace
-        load: true
-        push: false
-        tags: simple-workspace:latest
-        allow: network.host
-        network: host
-
     - name: Start local coder instance
       # yamllint disable-line rule:indentation
       run: |
@@ -123,7 +108,14 @@ jobs:
         export TEMPLATE_NAME="test-$(date --utc +%Y%m%d-%H%M%SZ)"
         echo "TEMPLATE_NAME=${TEMPLATE_NAME}" >> $GITHUB_ENV
         echo "Publishing template ${TEMPLATE_DIR} as ${TEMPLATE_NAME}..."
-        coder template push --directory ${TEMPLATE_DIR} --var workspace_image=simple-workspace:latest --yes ${TEMPLATE_NAME}
+        set -x
+        coder template push \
+          --directory ${TEMPLATE_DIR} \
+          --var workspace_image=ubuntu:noble \
+          --var test_mode=true \
+          --yes \
+          ${TEMPLATE_NAME}
+        set +x
 
         echo
         echo "Confirming template has been published..."
@@ -192,7 +184,7 @@ jobs:
         docker logs -n 100 coder-coder-1
         echo
         echo Container logs:
-        docker logs -n 100 ${WORKSPACE_NAME}
+        docker logs 100 ${WORKSPACE_NAME}
         echo
         echo Workspace status
         coder show ${WORKSPACE_NAME}

templates/docker/homelab-workspace/coder-agent.tf

@@ -0,0 +1,56 @@
+resource "coder_agent" "main" {
+  arch                    = "amd64"
+  os                      = "linux"
+  startup_script          = var.test_mode ? "/bin/bash --noprofile --norc" : "/bin/bash --noprofile --norc /opt/coder/bin/agent-startup.sh"
+  startup_script_behavior = "blocking"
+
+  metadata {
+    display_name = "CPU Usage"
+    key          = "0_cpu_usage"
+    script       = "coder stat cpu"
+    interval     = 60
+    timeout      = 1
+  }
+
+  metadata {
+    display_name = "Memory Usage"
+    key          = "1_mem_usage"
+    script       = "coder stat mem --prefix Gi"
+    interval     = 60
+    timeout      = 1
+  }
+
+  metadata {
+    display_name = "Home Disk"
+    key          = "3_home_disk"
+    script       = "coder stat disk --path $${HOME}"
+    interval     = 60
+    timeout      = 1
+  }
+
+  metadata {
+    display_name = "CPU Usage (Host)"
+    key          = "4_cpu_usage_host"
+    script       = "coder stat cpu --host"
+    interval     = 60
+    timeout      = 1
+  }
+
+  metadata {
+    display_name = "Memory Usage (Host)"
+    key          = "5_mem_usage_host"
+    script       = "coder stat mem --host"
+    interval     = 60
+    timeout      = 1
+  }
+
+  metadata {
+    display_name = "Load Average"
+    key          = "load"
+    script       = <<EOT
+        awk '{print $1,$2,$3}' /proc/loadavg
+    EOT
+    interval     = 60
+    timeout      = 1
+  }
+}