Refactor process.go for platform specific

Signed-off-by: John Howard <jhoward@microsoft.com>

Move process sorter to new file

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Sort containers by id

This will not be the most accurate sorting but atleast the list will be
consistent inbetween calls.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Allow runtime to be configurable via daemon start

This allows people to pass an alternate name or location to the runtime
binary to start containers.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Fix state output for containers

Return the proper state/status for a container by checking if the pid is
still alive.  Also fix the cleanup handling in the shim to make sure
containers are not left behind.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Properly wait for container start

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

ctr/container.go

@@ -92,6 +92,7 @@ func listContainers(context *cli.Context) {
 	}
 	w := tabwriter.NewWriter(os.Stdout, 20, 1, 3, ' ', 0)
 	fmt.Fprint(w, "ID\tPATH\tSTATUS\tPROCESSES\n")
+	sortContainers(resp.Containers)
 	for _, c := range resp.Containers {
 		procs := []string{}
 		for _, p := range c.Processes {

ctr/sort.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"sort"
+
+	"github.com/docker/containerd/api/grpc/types"
+)
+
+func sortContainers(c []*types.Container) {
+	sort.Sort(&containerSorter{c})
+}
+
+type containerSorter struct {
+	c []*types.Container
+}
+
+func (s *containerSorter) Len() int {
+	return len(s.c)
+}
+
+func (s *containerSorter) Swap(i, j int) {
+	s.c[i], s.c[j] = s.c[j], s.c[i]
+}
+
+func (s *containerSorter) Less(i, j int) bool {
+	return s.c[i].Id < s.c[j].Id
+}