manifest: new pipeline for building ISO rootfs.img

internal/manifest/iso_rootfs.go

@@ -0,0 +1,71 @@
+package manifest
+
+import (
+	"fmt"
+
+	"github.com/osbuild/osbuild-composer/internal/osbuild"
+)
+
+type ISORootfsImg struct {
+	Base
+
+	Size uint64
+
+	anacondaPipeline *Anaconda
+}
+
+func NewISORootfsImg(m *Manifest, buildPipeline *Build, anacondaPipeline *Anaconda) *ISORootfsImg {
+	p := &ISORootfsImg{
+		Base:             NewBase(m, "rootfs-image", buildPipeline),
+		anacondaPipeline: anacondaPipeline,
+	}
+	buildPipeline.addDependent(p)
+	m.addPipeline(p)
+	return p
+}
+
+func (p *ISORootfsImg) serialize() osbuild.Pipeline {
+	pipeline := p.Base.serialize()
+
+	pipeline.AddStage(osbuild.NewMkdirStage(&osbuild.MkdirStageOptions{
+		Paths: []osbuild.Path{
+			{
+				Path: "LiveOS",
+			},
+		},
+	}))
+	pipeline.AddStage(osbuild.NewTruncateStage(&osbuild.TruncateStageOptions{
+		Filename: "LiveOS/rootfs.img",
+		Size:     fmt.Sprintf("%d", p.Size),
+	}))
+
+	mkfsStageOptions := &osbuild.MkfsExt4StageOptions{
+		UUID:  "2fe99653-f7ff-44fd-bea8-fa70107524fb",
+		Label: "Anaconda",
+	}
+	lodevice := osbuild.NewLoopbackDevice(
+		&osbuild.LoopbackDeviceOptions{
+			Filename: "LiveOS/rootfs.img",
+		},
+	)
+
+	devName := "device"
+	devices := osbuild.Devices{devName: *lodevice}
+	mkfsStage := osbuild.NewMkfsExt4Stage(mkfsStageOptions, devices)
+	pipeline.AddStage(mkfsStage)
+
+	inputName := "tree"
+	copyStageOptions := &osbuild.CopyStageOptions{
+		Paths: []osbuild.CopyStagePath{
+			{
+				From: fmt.Sprintf("input://%s/", inputName),
+				To:   fmt.Sprintf("mount://%s/", devName),
+			},
+		},
+	}
+	copyStageInputs := osbuild.NewPipelineTreeInputs(inputName, p.anacondaPipeline.Name())
+	copyStageMounts := &osbuild.Mounts{*osbuild.NewExt4Mount(devName, devName, "/")}
+	copyStage := osbuild.NewCopyStage(copyStageOptions, copyStageInputs, &devices, copyStageMounts)
+	pipeline.AddStage(copyStage)
+	return pipeline
+}