Update required docker version to 1.12, including oc cluster up

CONTRIBUTING.adoc

@@ -47,7 +47,7 @@ Here's how to get set up:
 ** http://git-scm.com/book/en/v2/Getting-Started-Installing-Git[Installing Git]
 ** https://docs.docker.com/installation/[Installing Docker]
 +
-NOTE: As of now, OpenShift requires Docker 1.9 or higher.
+NOTE: As of now, OpenShift requires Docker 1.12 or higher.
 The exact version requirement is documented https://docs.openshift.org/latest/install_config/install/prerequisites.html#installing-docker[here].
 
 2. Next, create a Go workspace directory: +

origin.spec

@@ -9,7 +9,7 @@
 %global kube_plugin_path /usr/libexec/kubernetes/kubelet-plugins/net/exec/redhat~openshift-ovs-subnet
 
 # docker_version is the version of docker requires by packages
-%global docker_version 1.9.1
+%global docker_version 1.12
 # tuned_version is the version of tuned requires by packages
 %global tuned_version  2.3
 # openvswitch_version is the version of openvswitch requires by packages

pkg/bootstrap/docker/join.go

@@ -111,7 +111,6 @@ func (c *ClientJoinConfig) StartOpenShiftNode(out io.Writer) error {
 	opt := &openshift.StartOptions{
 		ServerIP:           c.ServerIP,
 		UseSharedVolume:    !c.UseNsenterMount,
-		SetPropagationMode: c.SetPropagationMode,
 		Images:             c.imageFormat(),
 		HostVolumesDir:     c.HostVolumesDir,
 		HostConfigDir:      c.HostConfigDir,

pkg/bootstrap/docker/openshift/helper.go

@@ -77,7 +77,6 @@ type StartOptions struct {
 	RoutingSuffix            string
 	DNSPort                  int
 	UseSharedVolume          bool
-	SetPropagationMode       bool
 	Images                   string
 	HostVolumesDir           string
 	HostConfigDir            string
@@ -251,11 +250,7 @@ func (h *Helper) Start(opt *StartOptions, out io.Writer) (string, error) {
 		env = append(env, "OPENSHIFT_CONTAINERIZED=false")
 	} else {
 		binds = append(binds, "/:/rootfs:ro")
-		propagationMode := ""
-		if opt.SetPropagationMode {
-			propagationMode = ":rslave"
-		}
-		binds = append(binds, fmt.Sprintf("%[1]s:%[1]s%[2]s", opt.HostVolumesDir, propagationMode))
+		binds = append(binds, fmt.Sprintf("%[1]s:%[1]s:rslave", opt.HostVolumesDir))
 	}
 	env = append(env, opt.Environment...)
 	binds = append(binds, fmt.Sprintf("%[1]s:%[1]s", opt.DockerRoot))
@@ -452,11 +447,7 @@ func (h *Helper) StartNode(opt *StartOptions, out io.Writer) error {
 		env = append(env, "OPENSHIFT_CONTAINERIZED=false")
 	} else {
 		binds = append(binds, "/:/rootfs:ro")
-		propagationMode := ""
-		if opt.SetPropagationMode {
-			propagationMode = ":rslave"
-		}
-		binds = append(binds, fmt.Sprintf("%[1]s:%[1]s%[2]s", opt.HostVolumesDir, propagationMode))
+		binds = append(binds, fmt.Sprintf("%[1]s:%[1]s:rslave", opt.HostVolumesDir))
 	}
 	env = append(env, opt.Environment...)
 

pkg/bootstrap/docker/up.go

@@ -120,8 +120,7 @@ var (
 		"prometheus":          "examples/prometheus/prometheus.yaml",
 		"heapster standalone": "examples/heapster/heapster-standalone.yaml",
 	}
-	dockerVersion19  = semver.MustParse("1.9.0")
-	dockerVersion110 = semver.MustParse("1.10.0")
+	dockerVersion112 = semver.MustParse("1.12.0")
 )
 
 // NewCmdUp creates a command that starts openshift on Docker with reasonable defaults
@@ -198,7 +197,6 @@ type CommonStartConfig struct {
 	HTTPProxy                string
 	HTTPSProxy               string
 	NoProxy                  []string
-	SetPropagationMode       bool
 	RouterIP                 string
 	CACert                   string
 
@@ -609,21 +607,17 @@ func (c *CommonStartConfig) CheckNsenterMounter(out io.Writer) error {
 // CheckDockerVersion checks that the appropriate Docker version is installed based on whether we are using the nsenter mounter
 // or shared volumes for OpenShift
 func (c *CommonStartConfig) CheckDockerVersion(out io.Writer) error {
-	ver, rh, err := c.DockerHelper().Version()
+	ver, _, err := c.DockerHelper().Version()
 	if err != nil {
 		glog.V(1).Infof("Failed to check Docker version: %v", err)
 		fmt.Fprintf(out, "WARNING: Cannot verify Docker version\n")
 		return nil
 	}
-	needVersion := dockerVersion19
-	if !rh {
-		needVersion = dockerVersion110
-	}
+	needVersion := dockerVersion112
 	glog.V(5).Infof("Checking that docker version is at least %v", needVersion)
 	if ver.LT(needVersion) {
-		return fmt.Errorf("Docker version is %v, it needs to be %v", ver, needVersion)
+		fmt.Fprintf(out, "WARNING: Docker version is %v, it needs to be >= %v\n", ver, needVersion)
 	}
-	c.SetPropagationMode = ver.GTE(dockerVersion110)
 	return nil
 }
 
@@ -760,7 +754,6 @@ func (c *ClientStartConfig) StartOpenShift(out io.Writer) error {
 		RouterIP:                 c.RouterIP,
 		RoutingSuffix:            c.RoutingSuffix,
 		UseSharedVolume:          !c.UseNsenterMount,
-		SetPropagationMode:       c.SetPropagationMode,
 		Images:                   c.imageFormat(),
 		HostVolumesDir:           c.HostVolumesDir,
 		HostConfigDir:            c.HostConfigDir,