Update default Cloud Hypervisor to v51.2

.github/workflows/test.yml

@@ -187,7 +187,7 @@ jobs:
           GH_TOKEN: ${{ github.token }}
         run: |
           set -euo pipefail
-          for version in v49.0 v51.1; do
+          for version in v49.0 v51.1 v51.2; do
             for architecture in x86_64 aarch64; do
               if [ "$architecture" = "x86_64" ]; then
                 asset="cloud-hypervisor-static"

Makefile

@@ -35,11 +35,12 @@ $(XCADDY): | $(BIN_DIR)
 
 install-tools: $(OAPI_CODEGEN) $(AIR) $(WIRE) $(XCADDY)
 
-# Download Cloud Hypervisor binaries (both v49.0 and v51.1 for backwards-compatible upgrades)
+# Download Cloud Hypervisor binaries (v49.0, v51.1 and v51.2 for backwards-compatible upgrades)
 download-ch-binaries:
 	@echo "Downloading Cloud Hypervisor binaries..."
 	@mkdir -p lib/vmm/binaries/cloud-hypervisor/v49.0/{x86_64,aarch64}
 	@mkdir -p lib/vmm/binaries/cloud-hypervisor/v51.1/{x86_64,aarch64}
+	@mkdir -p lib/vmm/binaries/cloud-hypervisor/v51.2/{x86_64,aarch64}
 	@echo "Downloading v49.0..."
 	@curl -L -o lib/vmm/binaries/cloud-hypervisor/v49.0/x86_64/cloud-hypervisor \
 		https://github.com/cloud-hypervisor/cloud-hypervisor/releases/download/v49.0/cloud-hypervisor-static
@@ -50,6 +51,11 @@ download-ch-binaries:
 		https://github.com/cloud-hypervisor/cloud-hypervisor/releases/download/v51.1/cloud-hypervisor-static
 	@curl -L -o lib/vmm/binaries/cloud-hypervisor/v51.1/aarch64/cloud-hypervisor \
 		https://github.com/cloud-hypervisor/cloud-hypervisor/releases/download/v51.1/cloud-hypervisor-static-aarch64
+	@echo "Downloading v51.2..."
+	@curl -L -o lib/vmm/binaries/cloud-hypervisor/v51.2/x86_64/cloud-hypervisor \
+		https://github.com/cloud-hypervisor/cloud-hypervisor/releases/download/v51.2/cloud-hypervisor-static
+	@curl -L -o lib/vmm/binaries/cloud-hypervisor/v51.2/aarch64/cloud-hypervisor \
+		https://github.com/cloud-hypervisor/cloud-hypervisor/releases/download/v51.2/cloud-hypervisor-static-aarch64
 	@chmod +x lib/vmm/binaries/cloud-hypervisor/v*/*/cloud-hypervisor
 	@echo "Binaries downloaded successfully"
 
@@ -177,7 +183,7 @@ ensure-ch-binaries:
 		echo "Unsupported architecture: $$ARCH"; exit 1; \
 	fi; \
 	NEEDS_DOWNLOAD=0; \
-	for CH_VERSION in v49.0 v51.1; do \
+	for CH_VERSION in v49.0 v51.1 v51.2; do \
 		CH_BIN=lib/vmm/binaries/cloud-hypervisor/$$CH_VERSION/$$CH_ARCH/cloud-hypervisor; \
 		if [ ! -f "$$CH_BIN" ]; then \
 			echo "Cloud Hypervisor binary not found: $$CH_BIN"; \

lib/hypervisor/cloudhypervisor/cloudhypervisor.go

@@ -73,7 +73,7 @@ func CapabilitiesForVersion(v vmm.CHVersion) hypervisor.Capabilities {
 		SupportsSnapshotBaseReuse:   false,
 	}
 	switch v {
-	case vmm.V51_1:
+	case vmm.V51_1, vmm.V51_2:
 		caps.SupportsDiskResize = true
 	}
 	return caps

lib/hypervisor/cloudhypervisor/register_linux_test.go

@@ -51,3 +51,13 @@ func TestCapabilitiesAdvertiseForkOnEveryVersion(t *testing.T) {
 		require.True(t, CapabilitiesForVersion(v).SupportsFork, "version %s", v)
 	}
 }
+
+// TestCapabilitiesAdvertiseDiskResizeOnV51 pins live disk resize for every
+// v51 release, including the v51.2 default used for new instances.
+func TestCapabilitiesAdvertiseDiskResizeOnV51(t *testing.T) {
+	t.Parallel()
+	require.Equal(t, vmm.V51_2, vmm.DefaultVersion)
+	for _, v := range []vmm.CHVersion{vmm.V51_1, vmm.V51_2} {
+		require.True(t, CapabilitiesForVersion(v).SupportsDiskResize, "version %s", v)
+	}
+}

lib/vmm/README.md

@@ -78,7 +78,10 @@ lib/vmm/
 │       ├── v49.0/
 │       │   ├── x86_64/cloud-hypervisor
 │       │   └── aarch64/cloud-hypervisor
-│       └── v51.1/
+│       ├── v51.1/
+│       │   ├── x86_64/cloud-hypervisor
+│       │   └── aarch64/cloud-hypervisor
+│       └── v51.2/
 │           ├── x86_64/cloud-hypervisor
 │           └── aarch64/cloud-hypervisor
 └── client_test.go      # Tests with real Cloud Hypervisor
@@ -88,6 +91,7 @@ lib/vmm/
 
 - Cloud Hypervisor v49.0 (API v0.3.0)
 - Cloud Hypervisor v51.1 (API v0.3.0)
+- Cloud Hypervisor v51.2 (API v0.3.0)
 
 Cloud Hypervisor versions may update frequently while the API updates less frequently. All embedded versions currently share the same API spec.
 

lib/vmm/binaries_darwin.go

@@ -14,9 +14,10 @@ type CHVersion string
 const (
 	V49_0 CHVersion = "v49.0"
 	V51_1 CHVersion = "v51.1"
+	V51_2 CHVersion = "v51.2"
 )
 
-const DefaultVersion = V51_1
+const DefaultVersion = V51_2
 
 // SupportedVersions lists supported Cloud Hypervisor versions.
 // On macOS, Cloud Hypervisor is not supported (use vz instead).

lib/vmm/binaries_linux.go

@@ -17,18 +17,21 @@ import (
 //go:embed binaries/cloud-hypervisor/v49.0/aarch64/cloud-hypervisor
 //go:embed binaries/cloud-hypervisor/v51.1/x86_64/cloud-hypervisor
 //go:embed binaries/cloud-hypervisor/v51.1/aarch64/cloud-hypervisor
+//go:embed binaries/cloud-hypervisor/v51.2/x86_64/cloud-hypervisor
+//go:embed binaries/cloud-hypervisor/v51.2/aarch64/cloud-hypervisor
 var binaryFS embed.FS
 
 type CHVersion string
 
 const (
 	V49_0 CHVersion = "v49.0"
 	V51_1 CHVersion = "v51.1"
+	V51_2 CHVersion = "v51.2"
 )
 
-const DefaultVersion = V51_1
+const DefaultVersion = V51_2
 
-var SupportedVersions = []CHVersion{V49_0, V51_1}
+var SupportedVersions = []CHVersion{V49_0, V51_1, V51_2}
 
 // ExtractBinary extracts the embedded Cloud Hypervisor binary to the data directory
 func ExtractBinary(p *paths.Paths, version CHVersion) (string, error) {

lib/vmm/client_test.go

@@ -38,6 +38,7 @@ func TestExtractBinary(t *testing.T) {
 func TestIsVersionSupported(t *testing.T) {
 	assert.True(t, IsVersionSupported(V49_0))
 	assert.True(t, IsVersionSupported(V51_1))
+	assert.True(t, IsVersionSupported(V51_2))
 	assert.False(t, IsVersionSupported("v1.0"))
 }
 
@@ -120,6 +121,7 @@ func TestMultipleVersions(t *testing.T) {
 	}{
 		{"v49.0", V49_0},
 		{"v51.1", V51_1},
+		{"v51.2", V51_2},
 	}
 
 	for _, tt := range tests {