Add syslog and udev hotplugging

config/default.go

@@ -28,6 +28,7 @@ func NewConfig() *Config {
 			Args: []string{
 				"docker",
 				"-d",
+				"--log-driver", "syslog",
 				"-s", "overlay",
 				"-b", "docker-sys",
 				"--fixed-cidr", "172.18.42.1/16",
@@ -100,10 +101,8 @@ func NewConfig() *Config {
 				Environment: []string{
 					"DAEMON=true",
 				},
-				Volumes: []string{
-					"/dev:/host/dev",
-					"/lib/modules:/lib/modules",
-					"/lib/firmware:/lib/firmware",
+				VolumesFrom: []string{
+					"system-volumes",
 				},
 			},
 			"system-volumes": {
@@ -115,12 +114,14 @@ func NewConfig() *Config {
 					CREATE_ONLY + "=true",
 				},
 				Volumes: []string{
+					"/dev:/host/dev",
 					"/var/lib/rancher/conf:/var/lib/rancher/conf",
 					"/lib/modules:/lib/modules",
 					"/lib/firmware:/lib/firmware",
 					"/var/run:/var/run",
 					"/var/log:/var/log",
 				},
+				LogDriver: "json-file",
 			},
 			"command-volumes": {
 				Image:      "state",
@@ -250,13 +251,10 @@ func NewConfig() *Config {
 				Image:      "syslog",
 				Privileged: true,
 				Net:        "host",
-				Links: []string{
-					"cloud-init",
-					"network",
-				},
 				VolumesFrom: []string{
 					"system-volumes",
 				},
+				LogDriver: "json-file",
 			},
 			"userdocker": {
 				Image:      "userdocker",

docker/container.go

@@ -171,6 +171,12 @@ func (c *Container) Reset() *Container {
 }
 
 func (c *Container) parseService() {
+	if (c.ContainerCfg.Service.LogDriver == "" || c.ContainerCfg.Service.LogDriver == "syslog") &&
+		!util.Contains(c.ContainerCfg.Service.Links, "syslog") {
+		log.Debugf("Adding syslog link to %s\n", c.Name)
+		c.ContainerCfg.Service.Links = append(c.ContainerCfg.Service.Links, "syslog")
+	}
+
 	cfg, hostConfig, err := docker.Convert(c.ContainerCfg.Service)
 	if err != nil {
 		c.Err = err
@@ -184,6 +190,7 @@ func (c *Container) parseService() {
 	c.remove = c.Config.Labels[config.REMOVE] != "false"
 	c.ContainerCfg.CreateOnly = c.Config.Labels[config.CREATE_ONLY] == "true"
 	c.ContainerCfg.ReloadConfig = c.Config.Labels[config.RELOAD_CONFIG] == "true"
+
 }
 
 func (c *Container) parseCmd() {

scripts/dockerimages/00-base

@@ -29,3 +29,6 @@ RUN rm /sbin/poweroff /sbin/reboot /sbin/halt && \
     sed -i 's/\(^sudo.*\)/\1rancher/g' /etc/group && \
     echo '%sudo ALL=(ALL) ALL' >> /etc/sudoers
 COPY scripts/dockerimages/scripts/inputrc /etc/inputrc
+COPY scripts/dockerimages/scripts/entry.sh /usr/sbin/entry.sh
+
+ENTRYPOINT ["/usr/sbin/entry.sh"]

scripts/dockerimages/scripts/entry.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+if [ -e /host/dev ]; then
+    mount --bind /host/dev /dev
+fi
+
+exec "$@"

scripts/dockerimages/scripts/udev.sh

@@ -1,7 +1,5 @@
 #!/bin/bash
 
-mount --bind /host/dev /dev
-
 if [ "$DAEMON" = true ]; then
     exec udevd
 fi