Merge pull request #16648 from ashley-cui/machos

Introduce podman machine os commands

Makefile

@@ -395,6 +395,15 @@ bin/rootlessport: $(SOURCES) go.mod go.sum
 .PHONY: rootlessport
 rootlessport: bin/rootlessport
 
+.PHONY: podman-remote-experimental
+podman-remote-experimental: $(SRCBINDIR)/experimental/podman$(BINSFX)
+$(SRCBINDIR)/experimental/podman$(BINSFX): $(SOURCES) go.mod go.sum | $(SRCBINDIR)
+	$(GOCMD) build \
+		$(BUILDFLAGS) \
+		$(GO_LDFLAGS) '$(LDFLAGS_PODMAN)' \
+		-tags "${REMOTETAGS} experimental" \
+		-o $@ ./cmd/podman
+
 ###
 ### Secondary binary-build targets
 ###

cmd/podman/machine/os.go

@@ -0,0 +1,28 @@
+//go:build (amd64 || arm64) && experimental
+// +build amd64 arm64
+// +build experimental
+
+package machine
+
+import (
+	"github.com/containers/podman/v4/cmd/podman/registry"
+	"github.com/containers/podman/v4/cmd/podman/validate"
+	"github.com/spf13/cobra"
+)
+
+var (
+	OSCmd = &cobra.Command{
+		Use:               "os",
+		Short:             "Manage a virtual machine's os",
+		Long:              "Manage a virtual machine's operating system",
+		PersistentPreRunE: validate.NoOp,
+		RunE:              validate.SubCommandExists,
+	}
+)
+
+func init() {
+	registry.Commands = append(registry.Commands, registry.CliCommand{
+		Command: OSCmd,
+		Parent:  machineCmd,
+	})
+}

cmd/podman/machine/os/apply.go

@@ -0,0 +1,38 @@
+//go:build (amd64 || arm64) && experimental
+// +build amd64 arm64
+// +build experimental
+
+package machineos
+
+import (
+	"fmt"
+
+	"github.com/containers/podman/v4/cmd/podman/machine"
+	"github.com/containers/podman/v4/cmd/podman/registry"
+	"github.com/containers/podman/v4/cmd/podman/validate"
+	"github.com/spf13/cobra"
+)
+
+var (
+	applyCmd = &cobra.Command{
+		Use:               "apply",
+		Short:             "Apply OCI image to existing VM",
+		Long:              "Apply custom layers from a containerized Fedora CoreOS image on top of an existing VM",
+		PersistentPreRunE: validate.NoOp,
+		RunE:              apply,
+		Example:           `podman machine os apply myimage`,
+	}
+)
+
+func init() {
+	registry.Commands = append(registry.Commands, registry.CliCommand{
+		Command: applyCmd,
+		Parent:  machine.OSCmd,
+	})
+
+}
+
+func apply(cmd *cobra.Command, args []string) error {
+	fmt.Println("Applying..")
+	return nil
+}

cmd/podman/main_experimental.go

@@ -0,0 +1,8 @@
+//go:build experimental
+// +build experimental
+
+package main
+
+import (
+	_ "github.com/containers/podman/v4/cmd/podman/machine/os"
+)