feat: initial version of Go plugin

build/go_build.go

@@ -6,7 +6,7 @@ import (
 	"path/filepath"
 	"strings"
 
-	"golang.org/x/exp/slog"
+	"log/slog"
 )
 
 const (

build/go_build_help.go

@@ -0,0 +1,109 @@
+package build
+
+import (
+	sdk "code.icb4dc0.de/buildr/wasi-module-sdk-go"
+	rpcv1 "code.icb4dc0.de/buildr/wasi-module-sdk-go/protocol/generated/rpc/v1"
+)
+
+func (g GoBuild) Help() sdk.Help {
+	return sdk.Help{
+		Name: "Go build - build Go binaries",
+		Description: `This module helps to build Go binaries.
+It abstracts common build parameters like GOOS and GOARCH.
+Less common parameters can be specified e.g. with ` + "`flags`" + ` or ` + "`ldflags`" + `.
+Builds - as every other task - are executed in parallel.`,
+		Examples: []sdk.Example{
+			{
+				Name:        "Simple build",
+				Description: "Simplest possible example of a build",
+				Spec: sdk.TaskSpec[sdk.Module]{
+					ModuleName: "buildr_linux_amd64",
+					Module: GoBuild{
+						Binary: "buildr",
+						Main:   ".",
+						GoOS:   "linux",
+						GoArch: "amd64",
+					},
+				},
+			},
+			{
+				Name:        "Build with flags",
+				Description: `Specify normal build flags as well as ldflags.`,
+				Spec: sdk.TaskSpec[sdk.Module]{
+					ModuleName: "buildr_linux_amd64",
+					Module: GoBuild{
+						Binary: "buildr",
+						Main:   ".",
+						GoOS:   "linux",
+						GoArch: "amd64",
+						Flags: []string{
+							"-v",
+							"-trimpath",
+							"-a",
+							"-installsuffix=cgo",
+						},
+						LdFlags: []string{
+							"-w -s",
+							"-X 'code.icb4dc0.de/buildr/buildr/cmd.CurrentVersion=main'",
+						},
+					},
+				},
+			},
+			{
+				Name:        "Build with environment variables",
+				Description: `Specify additional environment variables.`,
+				Spec: sdk.TaskSpec[sdk.Module]{
+					ModuleName: "buildr_linux_amd64",
+					Module: GoBuild{
+						Binary: "buildr",
+						Main:   ".",
+						GoOS:   "linux",
+						GoArch: "amd64",
+						Env: map[string]string{
+							"CGO_ENABLED": "0",
+						},
+					},
+				},
+			},
+			{
+				Name: "Containerize build process",
+				Description: `It is also possible to run the build in a container.
+Although it is not very effective because the build process always has to download all dependencies if they are not cached.`,
+				Spec: sdk.TaskSpec[sdk.Module]{
+					ModuleName: "buildr_linux_amd64",
+					Container: &rpcv1.ContainerSpec{
+						Image: "golang:alpine",
+					},
+					Module: GoBuild{
+						Binary: "buildr",
+						Main:   ".",
+						GoOS:   "linux",
+						GoArch: "amd64",
+					},
+				},
+			},
+			{
+				Name:        "Containerize build process - with module cache volume",
+				Description: `Specify additional environment variables.`,
+				Spec: sdk.TaskSpec[sdk.Module]{
+					ModuleName: "buildr_linux_amd64",
+					Container: &rpcv1.ContainerSpec{
+						Image: "golang:alpine",
+						VolumeMounts: []*rpcv1.ContainerVolumeMount{
+							{
+								Target: "/go/pkg/mod",
+								Name:   "modcache",
+							},
+						},
+					},
+					Module: GoBuild{
+						Binary: "buildr",
+						Main:   ".",
+						GoOS:   "linux",
+						GoArch: "amd64",
+					},
+				},
+			},
+		},
+	}
+}

go.mod

@@ -3,13 +3,13 @@ module code.icb4dc0.de/buildr/golang-plugin
 go 1.20
 
 require (
-	code.icb4dc0.de/buildr/wasi-module-sdk-go v0.0.0-20230629182727-3bf4797b6abd
+	code.icb4dc0.de/buildr/wasi-module-sdk-go v0.0.0-20230701111906-1f0c58b1c8a4
-	golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc
+	golang.org/x/exp v0.0.0-20230809150735-7b3493d9a819
 )
 
 require (
 	github.com/tetratelabs/tinymem v0.1.0 // indirect
-	google.golang.org/protobuf v1.30.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
 )
 
 replace code.icb4dc0.de/buildr/wasi-module-sdk-go => ../wasi-module-sdk-go

go.sum

@@ -1,20 +1,11 @@
-github.com/golang/protobuf v1.5.0 h1:LUVKkCeviFUMKqHa4tXIIij/lbhnMbP7Fn5wKdKkRh4=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/tetratelabs/tinymem v0.1.0 h1:Qza1JAg9lquPPJ/CIei5qQYx7t18KLie83O2WR6CM58=
 github.com/tetratelabs/tinymem v0.1.0/go.mod h1:WFFTZFhLod6lTL+UetFAopVbGaB+KFsVcIY+RUv7NeY=
-golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc h1:mCRnTeVUjcrhlRmO0VK8a6k6Rrf6TF9htwo2pJVSjIU=
+golang.org/x/exp v0.0.0-20230809150735-7b3493d9a819 h1:EDuYyU/MkFXllv9QF9819VlI9a4tzGuCbhG0ExK9o1U=
-golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc/go.mod h1:V1LtkGg67GoY2N1AnLN78QLrzxkLyJw7RJb1gzOOz9w=
+golang.org/x/exp v0.0.0-20230809150735-7b3493d9a819/go.mod h1:FXUEEKJgO7OQYeo8N01OfiKP8RXMtf6e8aTskBGqWdc=
-golang.org/x/mod v0.6.0 h1:b9gGHsz9/HhJ3HF5DHQytPpuwocVTChQJK3AvoLRD5I=
-golang.org/x/mod v0.6.0/go.mod h1:4mET923SAdbXp2ki8ey+zGs1SLqsuM2Y0uvdZR/fUNI=
-golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
-golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/tools v0.2.0 h1:G6AHpWxTMGY1KyEYoAQ5WTtIekUUvDNjan3ugu60JvE=
-golang.org/x/tools v0.2.0/go.mod h1:y4OqIKeOV/fWJetJ8bXPU1sEVniLMIyDAZWeHdV+NTA=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
-google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=

tool/go_tool.go

@@ -1,11 +1,8 @@
 package tool
 
 import (
-	sdk "code.icb4dc0.de/buildr/wasi-module-sdk-go"
-	"code.icb4dc0.de/buildr/wasi-module-sdk-go/exec"
 	"context"
 	"fmt"
-	"golang.org/x/exp/slog"
 	"net/url"
 	"os"
 	"path"
@@ -13,6 +10,11 @@ import (
 	"regexp"
 	"strings"
 	"time"
+
+	"golang.org/x/exp/slog"
+
+	sdk "code.icb4dc0.de/buildr/wasi-module-sdk-go"
+	"code.icb4dc0.de/buildr/wasi-module-sdk-go/exec"
 )
 
 const (
@@ -60,13 +62,19 @@ func (g GoTool) BinaryName() string {
 
 func (g GoTool) Execute(ctx sdk.ExecutionContext) error {
 	var (
-		binName      = g.BinaryName()
+		binName  = g.BinaryName()
-		stateKey     = fmt.Sprintf("%s.state", binName)
+		stateKey = fmt.Sprintf("%s.state", binName)
-		logger       = ctx.Logger().With(slog.String("tool_name", binName))
+		logger   = ctx.Logger().With(
+			slog.String("tool_name", binName),
+			slog.String("repository", g.Repository),
+			slog.String("version", g.Version),
+		)
 		stateEncoder = sdk.NewJSONStateEncoder[GoToolState](ctx)
 		state        = g.state()
 	)
 
+	logger.Info("Ensuring got tool is installed")
+
 	if p, err := exec.LookPath(binName); state == StateGlobal && err == nil {
 		logger.Info(
 			"Found tool installation",
@@ -107,6 +115,8 @@ func (g GoTool) Execute(ctx sdk.ExecutionContext) error {
 	args = append(args, g.BuildArgs...)
 	args = append(args, fmt.Sprintf("%s@%s", g.Repository, g.version()))
 
+	logger.Debug("Installing Go tool", slog.String("args", strings.Join(args, ", ")))
+
 	cmd := exec.NewCommand(
 		"go",
 		args...,

tool/go_tool_state.go

@@ -1,7 +1,8 @@
 package tool
 
 import (
-	"golang.org/x/exp/maps"
+	"maps"
+
 	"golang.org/x/exp/slices"
 )