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cmd/dist: port commands over to use GRPC content store

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Following from the rest of the work in this branch, we now are porting
the dist command to work directly against the containerd content API.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
This commit is contained in:
Stephen J Day
2017-02-17 16:49:59 -08:00
parent 621164bc84
commit e6efb397cf
6 changed files with 496 additions and 15 deletions
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32
cmd/containerd/main.go
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@@ -7,6 +7,7 @@ import (
_ "net/http/pprof"
"os"
"os/signal"
"path/filepath"
"syscall"
"time"
@@ -15,7 +16,9 @@ import (
"github.com/Sirupsen/logrus"
"github.com/docker/containerd"
contentapi "github.com/docker/containerd/api/services/content"
api "github.com/docker/containerd/api/services/execution"
"github.com/docker/containerd/content"
_ "github.com/docker/containerd/linux"
"github.com/docker/containerd/log"
"github.com/docker/containerd/services/execution"
@@ -55,10 +58,6 @@ func main() {
Name: "log-level,l",
Usage: "set the logging level [debug, info, warn, error, fatal, panic]",
},
cli.StringFlag{
Name: "root,r",
Usage: "containerd root directory",
},
cli.StringFlag{
Name: "state",
Usage: "containerd state directory",
@@ -90,14 +89,27 @@ func main() {
return err
}
serveMetricsAPI()
contentStore, err := resolveContentStore(context)
if err != nil {
return err
}
contentService := content.NewService(contentStore)
// start the GRPC api with the execution service registered
server := newGRPCServer(execution.New(supervisor))
server := newGRPCServer()
api.RegisterContainerServiceServer(server, execution.New(supervisor))
contentapi.RegisterContentServer(server, contentService)
// start the GRPC api with registered services
if err := serveGRPC(server); err != nil {
return err
}
log.G(global).Infof("containerd successfully booted in %fs", time.Now().Sub(start).Seconds())
return handleSignals(signals, server)
}
if err := app.Run(os.Args); err != nil {
fmt.Fprintf(os.Stderr, "containerd: %s\n", err)
os.Exit(1)
@@ -192,8 +204,13 @@ func serveDebugAPI() error {
return nil
}
func resolveContentStore(context *cli.Context) (*content.Store, error) {
cp := filepath.Join(conf.Root, "content")
return content.NewStore(cp)
}
func loadRuntimes() (map[string]containerd.Runtime, error) {
o := make(map[string]containerd.Runtime)
o := map[string]containerd.Runtime{}
for _, name := range containerd.Runtimes() {
r, err := containerd.NewRuntime(name, conf.State)
if err != nil {
@@ -205,9 +222,8 @@ func loadRuntimes() (map[string]containerd.Runtime, error) {
return o, nil
}
func newGRPCServer(service api.ContainerServiceServer) *grpc.Server {
func newGRPCServer() *grpc.Server {
s := grpc.NewServer(grpc.UnaryInterceptor(interceptor))
api.RegisterContainerServiceServer(s, service)
return s
}