v2.0.2-rc2

* Include NFS client to console
* Support command "ros engine switch latest"
* Use long term branch v2.0.x for os-services
* Use docker-compose/docker compose from CLI container

Author: olljanat

cmd/control/console_init.go

@@ -183,20 +183,27 @@ func consoleInitFunc() error {
 		})
 	}
 
-	// create placeholder for docker-compose binary
-	const ComposePlaceholder = `
-#!/bin/bash
-echo 'INFO: System service "docker-compose" is not yet enabled'
-sudo ros service enable docker-compose
-sudo ros service up docker-compose
+	// create placeholder for docker binary with "docker compose" support
+	const DockerPlaceholder = `#!/bin/bash
+if [ "$1" == "compose" ]; then
+  /usr/bin/docker-compose "${@:2}"
+else
+  /usr/bin/docker "$@"
+fi
 `
-	if _, err := os.Stat("/var/lib/rancher/compose"); os.IsNotExist(err) {
-		if err := os.MkdirAll("/var/lib/rancher/compose", 0555); err != nil {
+	if _, err := os.Stat("/usr/local/bin/docker"); os.IsNotExist(err) {
+		if err := ioutil.WriteFile("/usr/local/bin/docker", []byte(DockerPlaceholder), 0755); err != nil {
 			log.Error(err)
 		}
 	}
-	if _, err := os.Stat("/var/lib/rancher/compose/docker-compose"); os.IsNotExist(err) {
-		if err := ioutil.WriteFile("/var/lib/rancher/compose/docker-compose", []byte(ComposePlaceholder), 0755); err != nil {
+
+	// create placeholder for docker-compose binary
+	const ComposePlaceholder = `#!/bin/bash
+DOCKER_VERSION=$(sudo system-docker inspect --format "{{.Config.Image}}" docker | cut -d ":" -f 2)
+docker run -it --rm -v /var/run/docker.sock:/var/run/docker.sock -w /compose -v $PWD:/compose docker:$DOCKER_VERSION-cli docker compose "$@"
+`
+	if _, err := os.Stat("/usr/local/bin/docker-compose"); os.IsNotExist(err) {
+		if err := ioutil.WriteFile("/usr/local/bin/docker-compose", []byte(ComposePlaceholder), 0755); err != nil {
 			log.Error(err)
 		}
 	}

cmd/control/engine.go

@@ -129,7 +129,19 @@ func engineSwitch(c *cli.Context) error {
 	newEngine := c.Args()[0]
 
 	cfg := config.LoadConfig()
-	validateEngine(newEngine, cfg)
+
+	if newEngine == "latest" {
+		engines := availableEngines(cfg, c.Bool("update"))
+		newEngine = engines[len(engines)-1]
+		currentEngine := CurrentEngine()
+		if newEngine == currentEngine {
+			log.Infof("Latest engine %s is already running", newEngine)
+			return nil
+		}
+		log.Infof("Switching to engine %s", newEngine)
+	} else {
+		validateEngine(newEngine, cfg)
+	}
 
 	project, err := compose.GetProject(cfg, true, false)
 	if err != nil {
@@ -282,14 +294,28 @@ func engineList(c *cli.Context) error {
 	engines := availableEngines(cfg, c.Bool("update"))
 	currentEngine := CurrentEngine()
 
+	i := 1
 	for _, engine := range engines {
 		if engine == currentEngine {
-			fmt.Printf("current  %s\n", engine)
+			if i == len(engines) {
+				fmt.Printf("current  %s (latest)\n", engine)
+			} else {
+				fmt.Printf("current  %s\n", engine)
+			}
 		} else if engine == cfg.Rancher.Docker.Engine {
-			fmt.Printf("enabled  %s\n", engine)
+			if i == len(engines) {
+				fmt.Printf("enabled  %s (latest)\n", engine)
+			} else {
+				fmt.Printf("enabled  %s\n", engine)
+			}
 		} else {
-			fmt.Printf("disabled %s\n", engine)
+			if i == len(engines) {
+				fmt.Printf("disabled %s (latest)\n", engine)
+			} else {
+				fmt.Printf("disabled %s\n", engine)
+			}
 		}
+		i++
 	}
 
 	// check the dind container

cmd/control/user_docker.go

@@ -27,7 +27,6 @@ const (
 	sourceDirectory       = "/engine"
 	destDirectory         = "/var/lib/rancher/engine"
 	dockerCompletionFName = "completion"
-	dockerComposeFName    = "docker-compose"
 )
 
 var (
@@ -100,10 +99,6 @@ func copyBinaries(source, dest string) error {
 			if err := os.Chmod(destFile, 0644); err != nil {
 				return err
 			}
-		} else if file.Name() == dockerComposeFName {
-			if err := os.Chmod(destFile, 0755); err != nil {
-				return err
-			}
 		} else {
 			if err := os.Chmod(destFile, 0751); err != nil {
 				return err

cmd/control/util.go

@@ -54,8 +54,6 @@ func symLinkEngineBinary() []symlink {
 		{"/var/lib/rancher/engine/docker-containerd-ctr", "/usr/bin/docker-containerd-ctr"},
 		{"/var/lib/rancher/engine/docker-containerd-shim", "/usr/bin/docker-containerd-shim"},
 		{"/var/lib/rancher/engine/docker-runc", "/usr/bin/docker-runc"},
-
-		{"/var/lib/rancher/compose/docker-compose", "/usr/bin/docker-compose"},
 	}
 	return baseSymlink
 }

images/02-console/Dockerfile

@@ -8,7 +8,7 @@ RUN apt-get update \
                            sudo less curl ca-certificates psmisc htop kmod iproute2 \
                            net-tools bash-completion wget \
                            nano open-iscsi iputils-ping nvi \
-                           apparmor \
+                           apparmor nfs-common \
     && update-alternatives --set iptables /usr/sbin/iptables-legacy \
     && update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy \
     && rm -rf /var/lib/apt/lists/* \

os-config.tpl.yml

@@ -87,7 +87,7 @@ rancher:
     - configdrive:/media/config-2
   repositories:
     core:
-      url: {{.OS_SERVICES_REPO}}/{{.REPO_VERSION}}
+      url: {{.OS_SERVICES_REPO}}/v2.0.x
   state:
     fstype: auto
     oem_fstype: auto