feat: flatcar: install blobfuse2 binary

Signed-off-by: Mateusz Gozdek <[email protected]>

Author: invidian

e2e/scenario_test.go

@@ -73,6 +73,36 @@ func Test_Flatcar_CustomCATrust(t *testing.T) {
 	})
 }
 
+func Test_Flatcar_Blobfuse2(t *testing.T) {
+	RunScenario(t, &Scenario{
+		Description: "Tests that a node using the Flatcar VHD has blobfuse2 binary executable at expected path",
+		Config: Config{
+			Cluster: ClusterKubenet,
+			VHD:     config.VHDFlatcarGen2,
+			BootstrapConfigMutator: func(nbc *datamodel.NodeBootstrappingConfiguration) {
+			},
+			Validator: func(ctx context.Context, s *Scenario) {
+				execScriptOnVMForScenarioValidateExitCode(ctx, s, "/var/bin/blobfuse2 mount list", 0, "blobfuse2 binary not found or not executable")
+			},
+		},
+	})
+}
+
+func Test_Flatcar_No_Docker_images(t *testing.T) {
+	RunScenario(t, &Scenario{
+		Description: "Tests that a node using the Flatcar VHD has no Docker images present",
+		Config: Config{
+			Cluster: ClusterKubenet,
+			VHD:     config.VHDFlatcarGen2,
+			BootstrapConfigMutator: func(nbc *datamodel.NodeBootstrappingConfiguration) {
+			},
+			Validator: func(ctx context.Context, s *Scenario) {
+				execScriptOnVMForScenarioValidateExitCode(ctx, s, "docker image ls -q | grep .", 1, "Docker images found on Flatcar node")
+			},
+		},
+	})
+}
+
 func Test_Flatcar_Scriptless(t *testing.T) {
 	RunScenario(t, &Scenario{
 		Description: "Tests that a node using a Flatcar and the self-contained installer can be properly bootstrapped",

parts/linux/cloud-init/artifacts/flatcar/cse_install_flatcar.sh

@@ -5,7 +5,24 @@ stub() {
 }
 
 installDeps() {
-    stub
+    # We must configure containerd before running Docker commands.
+    installStandaloneContainerd
+
+    local ARCH; ARCH="$(uname -m)"
+    local DOCKER_VERSION; DOCKER_VERSION="$(docker version -f json)"
+    local IMAGE_ARCH; IMAGE_ARCH="$(echo "${DOCKER_VERSION}" | jq -r .Server.Arch)"
+    # TODO: Switch to official image before merging, like mcr.microsoft.com/oss/v2/kubernetes-csi/blob-csi:v1.27.0.
+    local BLOB_CSI_IMAGE="ghcr.io/flatcar-hub/blob-csi:v1.28.0-linux-${IMAGE_ARCH}"
+
+    docker run --rm \
+        -v /var/bin:/host/var/bin  \
+        --env DISTRIBUTION=flatcar \
+        --env ARCH="${ARCH}" \
+        --env INSTALL_BLOBFUSE2=true  \
+        --env INSTALL_BLOBFUSE_PROXY=false  \
+        --entrypoint /blobfuse-proxy/install-proxy-rhcos.sh \
+        "${BLOB_CSI_IMAGE}"
+    docker image rm "${BLOB_CSI_IMAGE}"
 }
 
 installCriCtlPackage() {

pkg/agent/testdata/Flatcar/CustomData

@@ -123,7 +123,7 @@
         },
         "contents": {
           "compression": "gzip",
-          "source": "data:;base64,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",
+          "source": "data:;base64,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",
           "verification": {}
         },
         "mode": 484