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Code Issues Releases Wiki Activity

Fix ros engine list too

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Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au>
This commit is contained in:
Sven Dowideit 2017-07-14 21:15:23 +10:00
parent 6fcc1e3967
commit a04c0f3740
2 changed files with 32 additions and 12 deletions
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6
cmd/control/docker_init.go
View File

@ -10,7 +10,6 @@ import (
"time"
"github.com/codegangsta/cli"
"github.com/rancher/os/config"
"github.com/rancher/os/log"
"github.com/rancher/os/util"
)
@ -70,9 +69,8 @@ func dockerInitAction(c *cli.Context) error {
fmt.Sprintf(`[ -e %s ] && source %s; exec /usr/bin/dockerlaunch %s %s $DOCKER_OPTS >> %s 2>&1`, dockerConf, dockerConf, dockerBin, strings.Join(c.Args(), " "), dockerLog),
}
cfg := config.LoadConfig()
if err := ioutil.WriteFile(dockerDone, []byte(cfg.Rancher.Docker.Engine), 0644); err != nil {
// TODO: this should be replaced by a "Docker ready event watcher"
if err := ioutil.WriteFile(dockerDone, []byte(CurrentEngine()), 0644); err != nil {
log.Error(err)
}

38
cmd/control/engine.go
View File

@ -2,17 +2,18 @@ package control
import (
"fmt"
"io/ioutil"
"sort"
"strings"
"golang.org/x/net/context"
"github.com/codegangsta/cli"
"github.com/docker/docker/reference"
"github.com/docker/libcompose/project/options"
"github.com/rancher/os/cmd/control/service"
"github.com/rancher/os/compose"
"github.com/rancher/os/config"
"github.com/rancher/os/docker"
"github.com/rancher/os/log"
"github.com/rancher/os/util"
"github.com/rancher/os/util/network"
@ -104,7 +105,7 @@ func engineEnable(c *cli.Context) error {
func engineList(c *cli.Context) error {
cfg := config.LoadConfig()
engines := availableEngines(cfg)
currentEngine := currentEngine()
currentEngine := CurrentEngine()
for _, engine := range engines {
if engine == currentEngine {
@ -135,12 +136,33 @@ func availableEngines(cfg *config.CloudConfig) []string {
return engines
}
func currentEngine() (engine string) {
engineBytes, err := ioutil.ReadFile(dockerDone)
if err == nil {
engine = strings.TrimSpace(string(engineBytes))
} else {
log.Warnf("Failed to detect current Docker engine: %v", err)
// CurrentEngine gets the name of the docker that's running
func CurrentEngine() (engine string) {
// sudo system-docker inspect --format "{{.Config.Image}}" docker
client, err := docker.NewSystemClient()
if err != nil {
log.Warnf("Failed to detect current docker: %v", err)
return
}
info, err := client.ContainerInspect(context.Background(), "docker")
if err != nil {
log.Warnf("Failed to detect current docker: %v", err)
return
}
// parse image name, then remove os- prefix and the engine suffix
image, err := reference.ParseNamed(info.Config.Image)
if err != nil {
log.Warnf("Failed to detect current docker(%s): %v", info.Config.Image, err)
return
}
if t, ok := image.(reference.NamedTagged); ok {
tag := t.Tag()
if !strings.HasPrefix(tag, "1.") {
// TODO: this assumes we only do Docker ce :/
tag = tag + "-ce"
}
return "docker-" + tag
}
return
}