build slink

Signed-off-by: Nianyu Shen <[email protected]>

Earthfile

@@ -59,6 +59,9 @@ ARG CMDLINE="stylus.registration"
 ARG BRANDING="Palette eXtended Kubernetes Edge"
 ARG ETCD_VERSION="v3.5.13"
 
+# internal variables
+ARG GOLANG_VERSION=1.22
+
 IF [ "$OS_DISTRIBUTION" = "ubuntu" ] && [ "$BASE_IMAGE" = "" ]
     IF [ "$OS_VERSION" == 22 ] || [ "$OS_VERSION" == 20 ]
         ARG BASE_IMAGE_TAG=kairos-$OS_DISTRIBUTION:$OS_VERSION.04-core-$ARCH-generic-$KAIROS_VERSION
@@ -296,12 +299,6 @@ install-k8s:
     RUN rm -rf /output/var/cache/*
     SAVE ARTIFACT /output/*
 
-internal-slink:
-    FROM --platform=linux/${ARCH} alpine
-    COPY internal/slink/slink /slink
-    RUN chmod +x /slink
-    SAVE ARTIFACT /slink
-
 build-uki-iso:
     FROM --platform=linux/${ARCH} $OSBUILDER_IMAGE
     ENV ISO_NAME=${ISO_NAME}
@@ -759,6 +756,45 @@ iso-disk-image:
         SAVE IMAGE --push $IMAGE_REGISTRY/$IMAGE_REPO/$ISO_NAME:$PE_VERSION
     END
 
+go-deps:
+    FROM $SPECTRO_PUB_REPO/golang:${GOLANG_VERSION}-alpine
+    RUN apk add libc-dev binutils-gold clang
+
+
+BUILD_GOLANG:
+    COMMAND
+    ARG WORKDIR=/build
+    WORKDIR $WORKDIR
+
+    ARG BIN
+    ARG SRC
+    ARG GOOS
+    ARG GOARCH
+    ARG VERSION=dev
+
+    ENV GOOS=$GOOS 
+    ENV GOARCH=$GOARCH
+    ENV GO_LDFLAGS=" -X github.com/spectrocloud/stylus/pkg/version.Version=${VERSION} -w -s"
+
+    ENV CC=clang
+    RUN go mod download
+    RUN go-build-static.sh -a -o ${BIN} ./${SRC}
+
+    SAVE ARTIFACT ${BIN} ${BIN} AS LOCAL build/${BIN}
+
+internal-slink:
+    FROM +go-deps
+
+    WORKDIR /build
+    COPY internal internal
+
+    ARG BUILD_DIR=/build/internal
+    WORKDIR $BUILD_DIR
+
+    DO +BUILD_GOLANG --BIN=slink --SRC=cmd/slink/slink.go --WORKDIR=$BUILD_DIR
+
+    SAVE ARTIFACT slink
+
 OS_RELEASE:
     COMMAND
     ARG OS_ID=${OS_DISTRIBUTION}

internal/cmd/slink/slink.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/sirupsen/logrus"
+	"github.com/spectrocloud/CanvOS/internal/pkg/utils"
+	"github.com/spf13/cobra"
+	"github.com/twpayne/go-vfs/v5"
+)
+
+func slink(cmd *cobra.Command, args []string) {
+	source := cmd.Flag("source").Value.String()
+	target := cmd.Flag("target").Value.String()
+	logrus.Infof("Source: %s, Target: %s", source, target)
+	if source == "" || target == "" {
+		logrus.Fatal("Source and target must be provided")
+	}
+
+	sourceFS := vfs.NewPathFS(vfs.OSFS, source)
+
+	if err := vfs.Walk(sourceFS, "/", func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if info.IsDir() {
+			return nil
+		}
+
+		// Create symlink
+		linkname := path
+		targetname := filepath.Join(target, path)
+		logrus.Infof("Creating link %s to %s", linkname, targetname)
+
+		if err := utils.CopyDir(filepath.Dir(linkname), sourceFS, vfs.OSFS); err != nil {
+			logrus.Errorf("Error creating directory: %s", err)
+			return err
+		}
+
+		if err := os.Symlink(targetname, linkname); err != nil {
+			logrus.Errorf("Error creating symlink: %s", err)
+			return err
+		}
+
+		return nil
+	}); err != nil {
+		logrus.Fatalf("Error walking source directory: %s", err)
+	}
+}
+
+func main() {
+	cmd := &cobra.Command{
+		Use: "slink",
+		Run: slink,
+	}
+	cmd.Flags().StringP("source", "s", "", "source directory")
+	cmd.Flags().StringP("target", "t", "", "target prefix")
+	if err := cmd.Execute(); err != nil {
+		logrus.Fatal(err)
+	}
+}

internal/go.mod

@@ -3,12 +3,14 @@ module github.com/spectrocloud/CanvOS/internal
 go 1.22.0
 
 require (
+	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/cobra v1.8.0
 	github.com/twpayne/go-vfs/v5 v5.0.4
 )
 
 require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	golang.org/x/sys v0.17.0 // indirect
+	github.com/stretchr/testify v1.9.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
 )

internal/go.sum

@@ -1,14 +1,28 @@
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
+github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
 github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyhcho=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/twpayne/go-vfs/v5 v5.0.4 h1:/ne3h+rW7f5YOyOFguz+3ztfUwzOLR0Vts3y0mMAitg=
 github.com/twpayne/go-vfs/v5 v5.0.4/go.mod h1:zTPFJUbgsEMFNSWnWQlLq9wh4AN83edZzx3VXbxrS1w=
-golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
-golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
+golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/pkg/utils/fs.go

@@ -0,0 +1,43 @@
+package utils
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/twpayne/go-vfs/v5"
+)
+
+func CopyDir(path string, srcFS, dstFS vfs.FS) error {
+	if exists, err := Exists(dstFS, path); err != nil {
+		return err
+	} else if exists {
+		return nil
+	}
+
+	// Check if parent of path exists
+	if err := CopyDir(filepath.Dir(path), srcFS, dstFS); err != nil {
+		return err
+	}
+
+	// Get permission of source directory
+	srcInfo, err := srcFS.Stat(path)
+	if err != nil {
+		return err
+	}
+	// Create directory with same permissions as source
+	if err := vfs.MkdirAll(dstFS, path, srcInfo.Mode()); err != nil {
+		return err
+	}
+	return nil
+}
+
+func Exists(fs vfs.FS, path string) (bool, error) {
+	_, err := fs.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}