Update runhcs-shim to use go-bindings

Signed-off-by: Justin Terry (VM) <juterry@microsoft.com>

vendor/github.com/Microsoft/hcsshim/cmd/go-runhcs/runhcs_create-scratch.go

@@ -0,0 +1,10 @@
+package runhcs
+
+import (
+	"context"
+)
+
+// CreateScratch creates a scratch vhdx at 'destpath' that is ext4 formatted.
+func (r *Runhcs) CreateScratch(context context.Context, destpath string) error {
+	return r.runOrError(r.command(context, "create-scratch", "--destpath", destpath))
+}

vendor/github.com/Microsoft/hcsshim/cmd/go-runhcs/runhcs_list.go

@@ -0,0 +1,28 @@
+package runhcs
+
+import (
+	"context"
+	"encoding/json"
+
+	irunhcs "github.com/Microsoft/hcsshim/internal/runhcs"
+)
+
+// ContainerState is the representation of the containers state at the moment of
+// query.
+type ContainerState = irunhcs.ContainerState
+
+// List containers started by runhcs.
+//
+// Note: This is specific to the Runhcs.Root namespace provided in the global
+// settings.
+func (r *Runhcs) List(context context.Context) ([]*ContainerState, error) {
+	data, err := cmdOutput(r.command(context, "list", "--format=json"), false)
+	if err != nil {
+		return nil, err
+	}
+	var out []*ContainerState
+	if err := json.Unmarshal(data, &out); err != nil {
+		return nil, err
+	}
+	return out, nil
+}

vendor/github.com/Microsoft/hcsshim/cmd/go-runhcs/runhcs_pause.go

@@ -0,0 +1,10 @@
+package runhcs
+
+import (
+	"context"
+)
+
+// Pause suspends all processes inside the container.
+func (r *Runhcs) Pause(context context.Context, id string) error {
+	return r.runOrError(r.command(context, "pause", id))
+}

vendor/github.com/Microsoft/hcsshim/cmd/go-runhcs/runhcs_ps.go

@@ -0,0 +1,20 @@
+package runhcs
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+)
+
+// Ps displays the processes running inside a container.
+func (r *Runhcs) Ps(context context.Context, id string) ([]int, error) {
+	data, err := cmdOutput(r.command(context, "ps", "--format=json", id), true)
+	if err != nil {
+		return nil, fmt.Errorf("%s: %s", err, data)
+	}
+	var out []int
+	if err := json.Unmarshal(data, &out); err != nil {
+		return nil, err
+	}
+	return out, nil
+}

vendor/github.com/Microsoft/hcsshim/cmd/go-runhcs/runhcs_resize-tty.go

@@ -0,0 +1,33 @@
+package runhcs
+
+import (
+	"context"
+	"strconv"
+)
+
+// ResizeTTYOpts is set of options that can be used with the ResizeTTY command.
+type ResizeTTYOpts struct {
+	// Pid is the process pid (defaults to init pid).
+	Pid *int
+}
+
+func (opt *ResizeTTYOpts) args() ([]string, error) {
+	var out []string
+	if opt.Pid != nil {
+		out = append(out, "--pid", strconv.Itoa(*opt.Pid))
+	}
+	return out, nil
+}
+
+// ResizeTTY updates the terminal size for a container process.
+func (r *Runhcs) ResizeTTY(context context.Context, id string, width, height uint16, opts *ResizeTTYOpts) error {
+	args := []string{"resize-tty"}
+	if opts != nil {
+		oargs, err := opts.args()
+		if err != nil {
+			return err
+		}
+		args = append(args, oargs...)
+	}
+	return r.runOrError(r.command(context, append(args, id, strconv.FormatUint(uint64(width), 10), strconv.FormatUint(uint64(height), 10))...))
+}

vendor/github.com/Microsoft/hcsshim/cmd/go-runhcs/runhcs_resume.go

@@ -0,0 +1,10 @@
+package runhcs
+
+import (
+	"context"
+)
+
+// Resume resumes all processes that have been previously paused.
+func (r *Runhcs) Resume(context context.Context, id string) error {
+	return r.runOrError(r.command(context, "resume", id))
+}

vendor/github.com/Microsoft/hcsshim/cmd/go-runhcs/runhcs_state.go

@@ -0,0 +1,20 @@
+package runhcs
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+)
+
+// State outputs the state of a container.
+func (r *Runhcs) State(context context.Context, id string) (*ContainerState, error) {
+	data, err := cmdOutput(r.command(context, "state", id), true)
+	if err != nil {
+		return nil, fmt.Errorf("%s: %s", err, data)
+	}
+	var out ContainerState
+	if err := json.Unmarshal(data, &out); err != nil {
+		return nil, err
+	}
+	return &out, nil
+}