bazel: allow "bazel test" to work without cgo dependencies

bootstrapper/internal/diskencryption/BUILD.bazel

@@ -1,5 +1,5 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_library")
-load("//bazel/go:go_test.bzl", "go_ld_test", "go_test")
+load("//bazel/go:go_test.bzl", "go_test")
 
 go_library(
     name = "diskencryption",
@@ -20,26 +20,13 @@ go_test(
     srcs = ["diskencryption_test.go"],
     embed = [":diskencryption"],
     # keep
-    tags = ["manual"],
+    pure = "on",
-    deps = select({
+    # keep
-        "@io_bazel_rules_go//go/platform:android": [
+    race = "off",
+    deps = [
         "@com_github_spf13_afero//:afero",
         "@com_github_stretchr_testify//assert",
         "@com_github_stretchr_testify//require",
         "@org_uber_go_goleak//:goleak",
     ],
-        "@io_bazel_rules_go//go/platform:linux": [
-            "@com_github_spf13_afero//:afero",
-            "@com_github_stretchr_testify//assert",
-            "@com_github_stretchr_testify//require",
-            "@org_uber_go_goleak//:goleak",
-        ],
-        "//conditions:default": [],
-    }),
-)
-
-go_ld_test(
-    name = "diskencryption_ld_test",
-    src = "diskencryption_test",
-    ld = "//rpm:ld",
 )

bootstrapper/internal/diskencryption/diskencryption_test.go

@@ -1,5 +1,3 @@
-//go:build linux && cgo
-
 /*
 Copyright (c) Edgeless Systems GmbH
 

bootstrapper/internal/initserver/BUILD.bazel

@@ -1,5 +1,5 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_library")
-load("//bazel/go:go_test.bzl", "go_ld_test", "go_test")
+load("//bazel/go:go_test.bzl", "go_test")
 
 go_library(
     name = "initserver",
@@ -36,7 +36,9 @@ go_test(
     srcs = ["initserver_test.go"],
     embed = [":initserver"],
     # keep
-    tags = ["manual"],
+    pure = "on",
+    # keep
+    race = "off",
     deps = [
         "//bootstrapper/initproto",
         "//internal/atls",
@@ -55,9 +57,3 @@ go_test(
         "@org_uber_go_goleak//:goleak",
     ],
 )
-
-go_ld_test(
-    name = "initserver_ld_test",
-    src = "initserver_test",
-    ld = "//rpm:ld",
-)

bootstrapper/internal/joinclient/BUILD.bazel

@@ -1,5 +1,5 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_library")
-load("//bazel/go:go_test.bzl", "go_ld_test", "go_test")
+load("//bazel/go:go_test.bzl", "go_test")
 
 go_library(
     name = "joinclient",
@@ -32,7 +32,9 @@ go_test(
     srcs = ["joinclient_test.go"],
     embed = [":joinclient"],
     # keep
-    tags = ["manual"],
+    pure = "on",
+    # keep
+    race = "off",
     deps = [
         "//internal/cloud/metadata",
         "//internal/constants",
@@ -53,9 +55,3 @@ go_test(
         "@org_uber_go_goleak//:goleak",
     ],
 )
-
-go_ld_test(
-    name = "joinclient_ld_test",
-    src = "joinclient_test",
-    ld = "//rpm:ld",
-)

csi/cryptmapper/BUILD.bazel

@@ -1,5 +1,5 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_library")
-load("//bazel/go:go_test.bzl", "go_ld_test", "go_test")
+load("//bazel/go:go_test.bzl", "go_test")
 
 go_library(
     name = "cryptmapper",
@@ -36,15 +36,11 @@ go_test(
     srcs = ["cryptmapper_test.go"],
     embed = [":cryptmapper"],
     # keep
-    tags = ["manual"],
+    pure = "on",
+    # keep
+    race = "off",
     deps = [
         "@com_github_stretchr_testify//assert",
         "@org_uber_go_goleak//:goleak",
     ],
 )
-
-go_ld_test(
-    name = "cryptmapper_ld_test",
-    src = "cryptmapper_test",
-    ld = "//rpm:ld",
-)

hack/qemu-metadata-api/server/BUILD.bazel

@@ -1,5 +1,5 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_library")
-load("//bazel/go:go_test.bzl", "go_ld_test", "go_test")
+load("//bazel/go:go_test.bzl", "go_test")
 
 go_library(
     name = "server",
@@ -20,10 +20,16 @@ go_library(
 
 go_test(
     name = "server_test",
-    srcs = ["server_test.go"],
+    srcs = [
+        "server_cgo_test.go",
+        "server_cross_test.go",
+        "server_test.go",
+    ],
     embed = [":server"],
     # keep
-    tags = ["manual"],
+    pure = "on",
+    # keep
+    race = "off",
     deps = [
         "//hack/qemu-metadata-api/virtwrapper",
         "//internal/cloud/metadata",
@@ -33,9 +39,3 @@ go_test(
         "@org_libvirt_go_libvirt//:libvirt",
     ],
 )
-
-go_ld_test(
-    name = "server_ld_test",
-    src = "server_test",
-    ld = "//rpm:ld",
-)

hack/qemu-metadata-api/server/server_cgo_test.go

@@ -0,0 +1,41 @@
+//go:build cgo
+
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package server
+
+import (
+	"github.com/edgelesssys/constellation/v2/hack/qemu-metadata-api/virtwrapper"
+	"libvirt.org/go/libvirt"
+)
+
+type stubNetwork struct {
+	leases      []libvirt.NetworkDHCPLease
+	getLeaseErr error
+}
+
+func newStubNetwork(leases []virtwrapper.NetworkDHCPLease, getLeaseErr error) stubNetwork {
+	libvirtLeases := make([]libvirt.NetworkDHCPLease, len(leases))
+	for i, l := range leases {
+		libvirtLeases[i] = libvirt.NetworkDHCPLease{
+			IPaddr:   l.IPaddr,
+			Hostname: l.Hostname,
+		}
+	}
+	return stubNetwork{
+		leases:      libvirtLeases,
+		getLeaseErr: getLeaseErr,
+	}
+}
+
+func (n stubNetwork) GetDHCPLeases() ([]libvirt.NetworkDHCPLease, error) {
+	return n.leases, n.getLeaseErr
+}
+
+func (n stubNetwork) Free() error {
+	return nil
+}

hack/qemu-metadata-api/server/server_cross_test.go

@@ -0,0 +1,31 @@
+//go:build !cgo
+
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package server
+
+import "github.com/edgelesssys/constellation/v2/hack/qemu-metadata-api/virtwrapper"
+
+type stubNetwork struct {
+	leases      []virtwrapper.NetworkDHCPLease
+	getLeaseErr error
+}
+
+func newStubNetwork(leases []virtwrapper.NetworkDHCPLease, getLeaseErr error) stubNetwork {
+	return stubNetwork{
+		leases:      leases,
+		getLeaseErr: getLeaseErr,
+	}
+}
+
+func (n stubNetwork) GetDHCPLeases() ([]virtwrapper.NetworkDHCPLease, error) {
+	return n.leases, n.getLeaseErr
+}
+
+func (n stubNetwork) Free() error {
+	return nil
+}

hack/qemu-metadata-api/server/server_test.go

@@ -1,5 +1,3 @@
-//go:build cgo
-
 /*
 Copyright (c) Edgeless Systems GmbH
 
@@ -23,7 +21,6 @@ import (
 	"github.com/edgelesssys/constellation/v2/internal/logger"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"libvirt.org/go/libvirt"
 )
 
 func TestListAll(t *testing.T) {
@@ -35,8 +32,7 @@ func TestListAll(t *testing.T) {
 	}{
 		"success": {
 			connect: &stubConnect{
-				network: stubNetwork{
+				network: newStubNetwork([]virtwrapper.NetworkDHCPLease{
-					leases: []libvirt.NetworkDHCPLease{
 					{
 						IPaddr:   "192.0.100.1",
 						Hostname: "control-plane-0",
@@ -49,8 +45,7 @@ func TestListAll(t *testing.T) {
 						IPaddr:   "192.0.200.1",
 						Hostname: "worker-0",
 					},
-					},
+				}, nil),
-				},
 			},
 		},
 		"LookupNetworkByName error": {
@@ -98,14 +93,12 @@ func TestListSelf(t *testing.T) {
 		"success": {
 			remoteAddr: "192.0.100.1:1234",
 			connect: &stubConnect{
-				network: stubNetwork{
+				network: newStubNetwork([]virtwrapper.NetworkDHCPLease{
-					leases: []libvirt.NetworkDHCPLease{
 					{
 						IPaddr:   "192.0.100.1",
 						Hostname: "control-plane-0",
 					},
-					},
+				}, nil),
-				},
 			},
 		},
 		"listAll error": {
@@ -118,28 +111,24 @@ func TestListSelf(t *testing.T) {
 		"remoteAddr error": {
 			remoteAddr: "",
 			connect: &stubConnect{
-				network: stubNetwork{
+				network: newStubNetwork([]virtwrapper.NetworkDHCPLease{
-					leases: []libvirt.NetworkDHCPLease{
 					{
 						IPaddr:   "192.0.100.1",
 						Hostname: "control-plane-0",
 					},
-					},
+				}, nil),
-				},
 			},
 			wantErr: true,
 		},
 		"peer not found": {
 			remoteAddr: "192.0.200.1:1234",
 			connect: &stubConnect{
-				network: stubNetwork{
+				network: newStubNetwork([]virtwrapper.NetworkDHCPLease{
-					leases: []libvirt.NetworkDHCPLease{
 					{
 						IPaddr:   "192.0.100.1",
 						Hostname: "control-plane-0",
 					},
-					},
+				}, nil),
-				},
 			},
 			wantErr: true,
 		},
@@ -184,8 +173,7 @@ func TestListPeers(t *testing.T) {
 		"success": {
 			remoteAddr: "192.0.100.1:1234",
 			connect: &stubConnect{
-				network: stubNetwork{
+				network: newStubNetwork([]virtwrapper.NetworkDHCPLease{
-					leases: []libvirt.NetworkDHCPLease{
 					{
 						IPaddr:   "192.0.100.1",
 						Hostname: "control-plane-0",
@@ -194,8 +182,7 @@ func TestListPeers(t *testing.T) {
 						IPaddr:   "192.0.200.1",
 						Hostname: "worker-0",
 					},
-					},
+				}, nil),
-				},
 			},
 		},
 		"listAll error": {
@@ -287,14 +274,12 @@ func TestPostLog(t *testing.T) {
 
 func TestInitSecretHash(t *testing.T) {
 	defaultConnect := &stubConnect{
-		network: stubNetwork{
+		network: newStubNetwork([]virtwrapper.NetworkDHCPLease{
-			leases: []libvirt.NetworkDHCPLease{
 			{
 				IPaddr:   "192.0.100.1",
 				Hostname: "control-plane-0",
 			},
-			},
+		}, nil),
-		},
 	}
 	testCases := map[string]struct {
 		connect  *stubConnect
@@ -345,16 +330,3 @@ type stubConnect struct {
 func (c stubConnect) LookupNetworkByName(_ string) (*virtwrapper.Network, error) {
 	return &virtwrapper.Network{Net: c.network}, c.getNetworkErr
 }
-
-type stubNetwork struct {
-	leases      []libvirt.NetworkDHCPLease
-	getLeaseErr error
-}
-
-func (n stubNetwork) GetDHCPLeases() ([]libvirt.NetworkDHCPLease, error) {
-	return n.leases, n.getLeaseErr
-}
-
-func (n stubNetwork) Free() error {
-	return nil
-}

hack/qemu-metadata-api/virtwrapper/virtwrapper_cross.go

@@ -20,14 +20,21 @@ func (c *Connect) LookupNetworkByName(_ string) (*Network, error) {
 }
 
 // Network wraps a libvirt network.
-type Network struct{}
+type Network struct {
+	Net Net
+}
 
 // GetDHCPLeases returns the underlying DHCP leases.
 // This function errors if CGO is disabled.
 func (n *Network) GetDHCPLeases() ([]NetworkDHCPLease, error) {
-	return nil, errors.New("using virtwrapper requires building with CGO")
+	return n.Net.GetDHCPLeases()
 }
 
 // Free the network resource.
 // This function does nothing if CGO is disabled.
 func (n *Network) Free() {}
+
+// Net is a libvirt Network.
+type Net interface {
+	GetDHCPLeases() ([]NetworkDHCPLease, error)
+}