Refactor configuration to compose syntax

cmd/control/reload.go

@@ -8,26 +8,26 @@ import (
 	"github.com/rancherio/os/docker"
 )
 
-func parseContainers(cfg *config.Config) map[string]*docker.Container {
-	result := map[string]*docker.Container{}
-
-	for _, containerConfig := range cfg.SystemContainers {
-		container := docker.NewContainer(config.DOCKER_SYSTEM_HOST, &containerConfig)
-		if containerConfig.Id != "" {
-			result[containerConfig.Id] = container
-		}
-	}
-
-	return result
-}
+//func parseContainers(cfg *config.Config) map[string]*docker.Container {
+//	result := map[string]*docker.Container{}
+//
+//	for _, containerConfig := range cfg.SystemContainers {
+//		container := docker.NewContainer(config.DOCKER_SYSTEM_HOST, &containerConfig)
+//		if containerConfig.Id != "" {
+//			result[containerConfig.Id] = container
+//		}
+//	}
+//
+//	return result
+//}
 
 func reload(c *cli.Context) {
-	cfg, err := config.LoadConfig()
+	_, err := config.LoadConfig()
 	if err != nil {
 		log.Fatal(err)
 	}
 
-	containers := parseContainers(cfg)
+	containers := map[string]*docker.Container{} //parseContainers(cfg)
 	toStart := make([]*docker.Container, 0, len(c.Args()))
 
 	for _, id := range c.Args() {

cmd/network/network.go

@@ -27,10 +27,10 @@ func Main() {
 	if err != nil {
 		log.Fatal(err)
 	}
-	applyNetworkConfigs(cfg)
+	ApplyNetworkConfigs(&cfg.Network)
 }
 
-func applyNetworkConfigs(cfg *config.Config) error {
+func ApplyNetworkConfigs(netCfg *config.NetworkConfig) error {
 	links, err := netlink.LinkList()
 	if err != nil {
 		return err
@@ -41,7 +41,7 @@ func applyNetworkConfigs(cfg *config.Config) error {
 		linkName := link.Attrs().Name
 		var match config.InterfaceConfig
 
-		for key, netConf := range cfg.Network.Interfaces {
+		for key, netConf := range netCfg.Interfaces {
 			if netConf.Match == "" {
 				netConf.Match = key
 			}
@@ -86,8 +86,8 @@ func applyNetworkConfigs(cfg *config.Config) error {
 	}
 
 	//post run
-	if cfg.Network.PostRun != nil {
-		return docker.StartAndWait(config.DOCKER_SYSTEM_HOST, cfg.Network.PostRun)
+	if netCfg.PostRun != nil {
+		return docker.StartAndWait(config.DOCKER_SYSTEM_HOST, netCfg.PostRun)
 	}
 	return nil
 }

config/config.go

@@ -5,6 +5,8 @@ import (
 	"os"
 	"strings"
 
+	"github.com/rancherio/rancher-compose/project"
+
 	log "github.com/Sirupsen/logrus"
 	"github.com/rancherio/os/util"
 	"gopkg.in/yaml.v2"
@@ -16,23 +18,10 @@ func (c *Config) privilegedMerge(newConfig Config) error {
 		return err
 	}
 
-	toAppend := make([]ContainerConfig, 0, 5)
-
-	for _, newContainer := range newConfig.SystemContainers {
-		found := false
-		for i, existingContainer := range c.SystemContainers {
-			if existingContainer.Id != "" && newContainer.Id == existingContainer.Id {
-				found = true
-				c.SystemContainers[i] = newContainer
-			}
-		}
-		if !found {
-			toAppend = append(toAppend, newContainer)
-		}
+	for k, v := range newConfig.SystemContainers {
+		c.SystemContainers[k] = v
 	}
 
-	c.SystemContainers = append(c.SystemContainers, toAppend...)
-
 	return nil
 }
 
@@ -42,8 +31,8 @@ func (c *Config) overlay(newConfig Config) error {
 }
 
 func (c *Config) clearReadOnly() {
-	c.BootstrapContainers = make([]ContainerConfig, 0)
-	c.SystemContainers = make([]ContainerConfig, 0)
+	c.BootstrapContainers = make(map[string]*project.ServiceConfig, 0)
+	c.SystemContainers = make(map[string]*project.ServiceConfig, 0)
 }
 
 func clearReadOnly(data map[interface{}]interface{}) map[interface{}]interface{} {
@@ -103,6 +92,12 @@ func LoadConfig() (*Config, error) {
 
 	if cfg.Debug {
 		log.SetLevel(log.DebugLevel)
+		if !util.Contains(cfg.UserDocker.Args, "-D") {
+			cfg.UserDocker.Args = append(cfg.UserDocker.Args, "-D")
+		}
+		if !util.Contains(cfg.SystemDocker.Args, "-D") {
+			cfg.SystemDocker.Args = append(cfg.SystemDocker.Args, "-D")
+		}
 	}
 
 	return cfg, nil
@@ -197,20 +192,11 @@ func Dump(private, full bool) (string, error) {
 }
 
 func (c *Config) configureConsole() error {
-	if !c.Console.Persistent {
-		return nil
-	}
-
-	for i := range c.SystemContainers {
-		// Need to modify original object, not the copy
-		var container *ContainerConfig = &c.SystemContainers[i]
-
-		if container.Id != CONSOLE_CONTAINER {
-			continue
-		}
-
-		if strings.Contains(container.Cmd, "--rm ") {
-			container.Cmd = strings.Replace(container.Cmd, "--rm ", "", 1)
+	if console, ok := c.SystemContainers[CONSOLE_CONTAINER]; ok {
+		if c.Console.Persistent {
+			console.Labels = append(console.Labels, REMOVE+"=false")
+		} else {
+			console.Labels = append(console.Labels, REMOVE+"=true")
 		}
 	}
 
@@ -221,7 +207,6 @@ func (c *Config) readGlobals() error {
 	return util.ShortCircuit(
 		c.readCmdline,
 		c.readArgs,
-		c.mergeAddons,
 		c.configureConsole,
 	)
 }
@@ -233,19 +218,6 @@ func (c *Config) Reload() error {
 	)
 }
 
-func (c *Config) mergeAddons() error {
-	for _, addon := range c.EnabledAddons {
-		if newConfig, ok := c.Addons[addon]; ok {
-			log.Debugf("Enabling addon %s", addon)
-			if err := c.privilegedMerge(newConfig); err != nil {
-				return err
-			}
-		}
-	}
-
-	return nil
-}
-
 func (c *Config) Get(key string) (interface{}, error) {
 	data := make(map[interface{}]interface{})
 	err := util.Convert(c, &data)

config/default.go

@@ -1,5 +1,9 @@
 package config
 
+import (
+	"github.com/rancherio/rancher-compose/project"
+)
+
 func NewConfig() *Config {
 	return &Config{
 		Debug: DEBUG,
@@ -43,7 +47,7 @@ func NewConfig() *Config {
 				Nameservers: []string{"8.8.8.8", "8.8.4.4"},
 			},
 			Interfaces: map[string]InterfaceConfig{
-				"eth*": {
+				"eth0": {
 					DHCP: true,
 				},
 				"lo": {
@@ -58,193 +62,238 @@ func NewConfig() *Config {
 			Url:   "https://releases.rancher.com/os/versions.yml",
 			Image: "rancher/os",
 		},
-		BootstrapContainers: []ContainerConfig{
-			{
-				Id: "udev",
-				Cmd: "--name=udev " +
-					"--net=none " +
-					"--privileged " +
-					"--rm " +
-					"-v=/dev:/host/dev " +
-					"-v=/lib/modules:/lib/modules:ro " +
-					"udev",
+		BootstrapContainers: map[string]*project.ServiceConfig{
+			"udev": {
+				Net:        "host",
+				Privileged: true,
+				Labels: []string{
+					DETACH + "=false",
+				},
+				Volumes: []string{
+					"/dev:/host/dev",
+					"/lib/modules:/lib/modules:ro",
+					"/lib/firmware:/lib/firmware:ro",
+				},
+				Image: "udev",
 			},
 		},
-		SystemContainers: []ContainerConfig{
-			{
-				Id: "udev",
-				Cmd: "--name=udev " +
-					"--net=none " +
-					"--privileged " +
-					"--rm " +
-					"-v=/dev:/host/dev " +
-					"-v=/lib/modules:/lib/modules:ro " +
-					"udev",
-				CreateOnly: true,
+		SystemContainers: map[string]*project.ServiceConfig{
+			"udev": {
+				Image:      "udev",
+				Net:        "host",
+				Privileged: true,
+				Labels: []string{
+					DETACH + "=true",
+				},
+				Environment: []string{
+					"DAEMON=true",
+				},
+				Volumes: []string{
+					"/dev:/host/dev",
+					"/lib/modules:/lib/modules:ro",
+					"/lib/firmware:/lib/firmware:ro",
+				},
 			},
-			{
-				Id: "system-volumes",
-				Cmd: "--name=system-volumes " +
-					"--net=none " +
-					"--read-only " +
-					"-v=/etc/ssl/certs/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt " +
-					"-v=/var/lib/rancher/conf:/var/lib/rancher/conf " +
-					"-v=/lib/modules:/lib/modules:ro " +
-					"-v=/var/run:/var/run " +
-					"-v=/var/log:/var/log " +
-					"state",
-				CreateOnly: true,
+			"system-volumes": {
+				Image:      "state",
+				Net:        "none",
+				ReadOnly:   true,
+				Privileged: true,
+				Labels: []string{
+					CREATE_ONLY + "=true",
+				},
+				Volumes: []string{
+					"/etc/ssl/certs/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt",
+					"/var/lib/rancher/conf:/var/lib/rancher/conf",
+					"/lib/modules:/lib/modules:ro",
+					"/lib/firmware:/lib/firmware:ro",
+					"/var/run:/var/run",
+					"/var/log:/var/log",
+				},
 			},
-			{
-				Id: "command-volumes",
-				Cmd: "--name=command-volumes " +
-					"--net=none " +
-					"--read-only " +
-					"-v=/init:/sbin/halt:ro " +
-					"-v=/init:/sbin/poweroff:ro " +
-					"-v=/init:/sbin/reboot:ro " +
-					"-v=/init:/sbin/shutdown:ro " +
-					"-v=/init:/sbin/netconf:ro " +
-					"-v=/init:/usr/bin/cloud-init:ro " +
-					"-v=/init:/usr/bin/rancherctl:ro " +
-					"-v=/init:/usr/bin/respawn:ro " +
-					"-v=/init:/usr/bin/system-docker:ro " +
-					"-v=/lib/modules:/lib/modules:ro " +
-					"-v=/usr/bin/docker:/usr/bin/docker:ro " +
-					"state",
-				CreateOnly: true,
+			"command-volumes": {
+				Image:      "state",
+				Net:        "none",
+				ReadOnly:   true,
+				Privileged: true,
+				Labels: []string{
+					CREATE_ONLY + "=true",
+				},
+				Volumes: []string{
+					"/init:/sbin/halt:ro",
+					"/init:/sbin/poweroff:ro",
+					"/init:/sbin/reboot:ro",
+					"/init:/sbin/shutdown:ro",
+					"/init:/sbin/netconf:ro",
+					"/init:/usr/bin/cloud-init:ro",
+					"/init:/usr/bin/rancherctl:ro",
+					"/init:/usr/bin/respawn:ro",
+					"/init:/usr/bin/system-docker:ro",
+					"/lib/modules:/lib/modules:ro",
+					"/usr/bin/docker:/usr/bin/docker:ro",
+				},
 			},
-			{
-				Id: "user-volumes",
-				Cmd: "--name=user-volumes " +
-					"--net=none " +
-					"--read-only " +
-					"-v=/home:/home " +
-					"-v=/opt:/opt " +
-					"state",
-				CreateOnly: true,
+			"user-volumes": {
+				Image:      "state",
+				Net:        "none",
+				ReadOnly:   true,
+				Privileged: true,
+				Labels: []string{
+					CREATE_ONLY + "=true",
+				},
+				Volumes: []string{
+					"/home:/home",
+					"/opt:/opt",
+				},
 			},
-			{
-				Id: "docker-volumes",
-				Cmd: "--name=docker-volumes " +
-					"--net=none " +
-					"--read-only " +
-					"-v=/var/lib/rancher:/var/lib/rancher " +
-					"-v=/var/lib/docker:/var/lib/docker " +
-					"-v=/var/lib/system-docker:/var/lib/system-docker " +
-					"state",
-				CreateOnly: true,
+			"docker-volumes": {
+				Image:      "state",
+				Net:        "none",
+				ReadOnly:   true,
+				Privileged: true,
+				Labels: []string{
+					CREATE_ONLY + "=true",
+				},
+				Volumes: []string{
+					"/var/lib/rancher:/var/lib/rancher",
+					"/var/lib/docker:/var/lib/docker",
+					"/var/lib/system-docker:/var/lib/system-docker",
+				},
 			},
-			{
-				Id: "all-volumes",
-				Cmd: "--name=all-volumes " +
-					"--rm " +
-					"--net=none " +
-					"--read-only " +
-					"--volumes-from=docker-volumes " +
-					"--volumes-from=command-volumes " +
-					"--volumes-from=user-volumes " +
-					"--volumes-from=system-volumes " +
-					"state",
-				CreateOnly: true,
+			"all-volumes": {
+				Image:      "state",
+				Net:        "none",
+				ReadOnly:   true,
+				Privileged: true,
+				Labels: []string{
+					CREATE_ONLY + "=true",
+				},
+				VolumesFrom: []string{
+					"docker-volumes",
+					"command-volumes",
+					"user-volumes",
+					"system-volumes",
+				},
 			},
-			{
-				Id: "cloud-init-pre",
-				Cmd: "--name=cloud-init-pre " +
-					"--rm " +
-					"--privileged " +
-					"--net=host " +
-					"-e CLOUD_INIT_NETWORK=false " +
-					"--volumes-from=command-volumes " +
-					"--volumes-from=system-volumes " +
-					"cloudinit",
-				ReloadConfig: true,
+			"cloud-init-pre": {
+				Image:      "cloudinit",
+				Privileged: true,
+				Net:        "host",
+				Labels: []string{
+					RELOAD_CONFIG + "=true",
+					DETACH + "=false",
+				},
+				Environment: []string{
+					"CLOUD_INIT_NETWORK=false",
+				},
+				VolumesFrom: []string{
+					"command-volumes",
+					"system-volumes",
+				},
 			},
-			{
-				Id: "network",
-				Cmd: "--name=network " +
-					"--rm " +
-					"--cap-add=NET_ADMIN " +
-					"--net=host " +
-					"--volumes-from=command-volumes " +
-					"--volumes-from=system-volumes " +
+			"network": {
+				Image: "network",
+				CapAdd: []string{
+					"NET_ADMIN",
+				},
+				Net: "host",
+				Labels: []string{
+					DETACH + "=false",
+				},
+				Links: []string{
+					"cloud-init-pre",
+				},
+				VolumesFrom: []string{
+					"command-volumes",
+					"system-volumes",
+				},
+			},
+			"cloud-init": {
+				Image:      "cloudinit",
+				Privileged: true,
+				Labels: []string{
+					RELOAD_CONFIG + "=true",
+					DETACH + "=false",
+				},
+				Net: "host",
+				Links: []string{
+					"cloud-init-pre",
 					"network",
+				},
+				VolumesFrom: []string{
+					"command-volumes",
+					"system-volumes",
+				},
 			},
-			{
-				Id: "cloud-init",
-				Cmd: "--name=cloud-init " +
-					"--rm " +
-					"--privileged " +
-					"--net=host " +
-					"--volumes-from=command-volumes " +
-					"--volumes-from=system-volumes " +
-					"cloudinit",
-				ReloadConfig: true,
+			"ntp": {
+				Image:      "ntp",
+				Privileged: true,
+				Net:        "host",
+				Links: []string{
+					"cloud-init",
+					"network",
+				},
 			},
-			{
-				Id: "ntp",
-				Cmd: "--name=ntp " +
-					"--rm " +
-					"-d " +
-					"--privileged " +
-					"--net=host " +
-					"ntp",
+			"syslog": {
+				Image:      "syslog",
+				Privileged: true,
+				Net:        "host",
+				Links: []string{
+					"cloud-init",
+					"network",
+				},
+				VolumesFrom: []string{
+					"system-volumes",
+				},
 			},
-			{
-				Id: "syslog",
-				Cmd: "--name=syslog " +
-					"-d " +
-					"--rm " +
-					"--privileged " +
-					"--net=host " +
-					"--ipc=host " +
-					"--pid=host " +
-					"--volumes-from=system-volumes " +
-					"syslog",
+			"userdocker": {
+				Image:      "userdocker",
+				Privileged: true,
+				Pid:        "host",
+				Ipc:        "host",
+				Net:        "host",
+				Links: []string{
+					"network",
+				},
+				VolumesFrom: []string{
+					"all-volumes",
+				},
 			},
-			{
-				Id: "userdocker",
-				Cmd: "--name=userdocker " +
-					"-d " +
-					"--rm " +
-					"--restart=always " +
-					"--ipc=host " +
-					"--pid=host " +
-					"--net=host " +
-					"--privileged " +
-					"--volumes-from=all-volumes " +
-					"userdocker",
-			},
-			{
-				Id: "console",
-				Cmd: "--name=console " +
-					"-d " +
-					"--rm " +
-					"--privileged " +
-					"--volumes-from=all-volumes " +
-					"--restart=always " +
-					"--ipc=host " +
-					"--net=host " +
-					"--pid=host " +
-					"console",
+			"console": {
+				Image:      "console",
+				Privileged: true,
+				Links: []string{
+					"cloud-init",
+				},
+				VolumesFrom: []string{
+					"all-volumes",
+				},
+				Restart: "always",
+				Pid:     "host",
+				Ipc:     "host",
+				Net:     "host",
 			},
 		},
 		EnabledAddons: []string{},
 		Addons: map[string]Config{
 			"ubuntu-console": {
-				SystemContainers: []ContainerConfig{
-					{
-						Id: "console",
-						Cmd: "--name=ubuntu-console " +
-							"-d " +
-							"--rm " +
-							"--privileged " +
-							"--volumes-from=all-volumes " +
-							"--restart=always " +
-							"--ipc=host " +
-							"--net=host " +
-							"--pid=host " +
-							"rancher/ubuntuconsole:" + VERSION,
+				SystemContainers: map[string]*project.ServiceConfig{
+					"console": {
+						Image:      "rancher/ubuntuconsole:" + VERSION,
+						Privileged: true,
+						Labels: []string{
+							DETACH + "=true",
+						},
+						Links: []string{
+							"cloud-init",
+						},
+						VolumesFrom: []string{
+							"all-volumes",
+						},
+						Restart: "always",
+						Pid:     "host",
+						Ipc:     "host",
+						Net:     "host",
 					},
 				},
 			},

config/types.go

@@ -1,5 +1,7 @@
 package config
 
+import "github.com/rancherio/rancher-compose/project"
+
 const (
 	CONSOLE_CONTAINER  = "console"
 	DOCKER_BIN         = "/usr/bin/docker"
@@ -12,6 +14,14 @@ const (
 	USER_INIT          = "/sbin/init-user"
 	MODULES_ARCHIVE    = "/modules.tar"
 	DEBUG              = false
+
+	LABEL         = "label"
+	HASH          = "io.rancher.os.hash"
+	ID            = "io.rancher.os.id"
+	DETACH        = "io.rancher.os.detach"
+	REMOVE        = "io.rancher.os.remove"
+	CREATE_ONLY   = "io.rancher.os.createonly"
+	RELOAD_CONFIG = "io.rancher.os.reloadconfig"
 )
 
 var (
@@ -22,30 +32,31 @@ var (
 )
 
 type ContainerConfig struct {
-	Id             string `yaml:"id,omitempty"`
-	Cmd            string `yaml:"run,omitempty"`
-	MigrateVolumes bool   `yaml:"migrate_volumes,omitempty"`
-	ReloadConfig   bool   `yaml:"reload_config,omitempty"`
-	CreateOnly     bool   `yaml:create_only,omitempty`
+	Id             string                 `yaml:"id,omitempty"`
+	Cmd            string                 `yaml:"run,omitempty"`
+	MigrateVolumes bool                   `yaml:"migrate_volumes,omitempty"`
+	ReloadConfig   bool                   `yaml:"reload_config,omitempty"`
+	CreateOnly     bool                   `yaml:create_only,omitempty`
+	Service        *project.ServiceConfig `yaml:service,omitempty`
 }
 
 type Config struct {
-	Addons              map[string]Config `yaml:"addons,omitempty"`
-	BootstrapContainers []ContainerConfig `yaml:"bootstrap_containers,omitempty"`
-	CloudInit           CloudInit         `yaml:"cloud_init,omitempty"`
-	Console             ConsoleConfig     `yaml:"console,omitempty"`
-	Debug               bool              `yaml:"debug,omitempty"`
-	Disable             []string          `yaml:"disable,omitempty"`
-	EnabledAddons       []string          `yaml:"enabled_addons,omitempty"`
-	Modules             []string          `yaml:"modules,omitempty"`
-	Network             NetworkConfig     `yaml:"network,omitempty"`
-	Ssh                 SshConfig         `yaml:"ssh,omitempty"`
-	State               StateConfig       `yaml:"state,omitempty"`
-	SystemContainers    []ContainerConfig `yaml:"system_containers,omitempty"`
-	SystemDocker        DockerConfig      `yaml:"system_docker,omitempty"`
-	Upgrade             UpgradeConfig     `yaml:"upgrade,omitempty"`
-	UserContainers      []ContainerConfig `yaml:"user_containers,omitempty"`
-	UserDocker          DockerConfig      `yaml:"user_docker,omitempty"`
+	Addons              map[string]Config                 `yaml:"addons,omitempty"`
+	BootstrapContainers map[string]*project.ServiceConfig `yaml:"bootstrap_containers,omitempty"`
+	CloudInit           CloudInit                         `yaml:"cloud_init,omitempty"`
+	Console             ConsoleConfig                     `yaml:"console,omitempty"`
+	Debug               bool                              `yaml:"debug,omitempty"`
+	//Disable             []string                          `yaml:"disable,omitempty"`
+	EnabledAddons    []string                          `yaml:"enabled_addons,omitempty"`
+	Modules          []string                          `yaml:"modules,omitempty"`
+	Network          NetworkConfig                     `yaml:"network,omitempty"`
+	Ssh              SshConfig                         `yaml:"ssh,omitempty"`
+	State            StateConfig                       `yaml:"state,omitempty"`
+	SystemContainers map[string]*project.ServiceConfig `yaml:"system_containers,omitempty"`
+	SystemDocker     DockerConfig                      `yaml:"system_docker,omitempty"`
+	Upgrade          UpgradeConfig                     `yaml:"upgrade,omitempty"`
+	UserContainers   []ContainerConfig                 `yaml:"user_containers,omitempty"`
+	UserDocker       DockerConfig                      `yaml:"user_docker,omitempty"`
 }
 
 type ConsoleConfig struct {

docker/client.go

@@ -3,6 +3,8 @@ package docker
 import (
 	"time"
 
+	log "github.com/Sirupsen/logrus"
+
 	dockerClient "github.com/fsouza/go-dockerclient"
 	"github.com/rancherio/os/config"
 )
@@ -26,12 +28,16 @@ func NewClient(endpoint string) (*dockerClient.Client, error) {
 		return nil, err
 	}
 
+	retry := false
 	for i := 0; i < (MAX_WAIT / INTERVAL); i++ {
 		_, err = client.Info()
 		if err == nil {
 			break
 		}
 
+		retry = true
+
+		log.Infof("Waiting for Docker at %s", endpoint)
 		time.Sleep(INTERVAL * time.Millisecond)
 	}
 
@@ -39,5 +45,8 @@ func NewClient(endpoint string) (*dockerClient.Client, error) {
 		return nil, err
 	}
 
+	if retry {
+		log.Infof("Connected to Docker at %s", endpoint)
+	}
 	return client, nil
 }

docker/container.go

@@ -4,6 +4,7 @@ import (
 	"crypto/sha1"
 	"encoding/hex"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"os"
 	"sort"
@@ -16,12 +17,8 @@ import (
 	dockerClient "github.com/fsouza/go-dockerclient"
 	"github.com/rancherio/os/config"
 	"github.com/rancherio/os/util"
-)
-
-const (
-	LABEL = "label"
-	HASH  = "io.rancher.os.hash"
-	ID    = "io.rancher.os.id"
+	"github.com/rancherio/rancher-compose/docker"
+	"github.com/rancherio/rancher-compose/project"
 )
 
 type Container struct {
@@ -48,6 +45,10 @@ func getHash(containerCfg *config.ContainerConfig) (string, error) {
 
 	w.Write([]byte(containerCfg.Id))
 	w.Write([]byte(containerCfg.Cmd))
+	if containerCfg.Service != nil {
+		//TODO: properly hash
+		w.Write([]byte(fmt.Sprintf("%v", containerCfg.Service)))
+	}
 
 	if w.Err != nil {
 		return "", w.Err
@@ -61,6 +62,18 @@ func StartAndWait(dockerHost string, containerCfg *config.ContainerConfig) error
 	return container.Err
 }
 
+func NewContainerFromService(dockerHost string, name string, service *project.ServiceConfig) *Container {
+	c := &Container{
+		Name:       name,
+		dockerHost: dockerHost,
+		ContainerCfg: &config.ContainerConfig{
+			Id:      name,
+			Service: service,
+		},
+	}
+	return c.Parse()
+}
+
 func NewContainer(dockerHost string, containerCfg *config.ContainerConfig) *Container {
 	c := &Container{
 		dockerHost:   dockerHost,
@@ -78,7 +91,7 @@ func getByLabel(client *dockerClient.Client, key, value string) (*dockerClient.A
 	containers, err := client.ListContainers(dockerClient.ListContainersOptions{
 		All: true,
 		Filters: map[string][]string{
-			LABEL: []string{fmt.Sprintf("%s=%s", key, value)},
+			config.LABEL: []string{fmt.Sprintf("%s=%s", key, value)},
 		},
 	})
 
@@ -114,7 +127,7 @@ func (c *Container) Lookup() *Container {
 	containers, err := client.ListContainers(dockerClient.ListContainersOptions{
 		All: true,
 		Filters: map[string][]string{
-			LABEL: []string{fmt.Sprintf("%s=%s", HASH, hash)},
+			config.LABEL: []string{fmt.Sprintf("%s=%s", config.HASH, hash)},
 		},
 	})
 	if err != nil {
@@ -157,11 +170,23 @@ func (c *Container) Reset() *Container {
 	return c
 }
 
-func (c *Container) Parse() *Container {
-	if c.Config != nil || c.Err != nil {
-		return c
+func (c *Container) parseService() {
+	cfg, hostConfig, err := docker.Convert(c.ContainerCfg.Service)
+	if err != nil {
+		c.Err = err
+		return
 	}
 
+	c.Config = cfg
+	c.HostConfig = hostConfig
+
+	c.detach = c.Config.Labels[config.DETACH] != "false"
+	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() {
 	flags := flag.NewFlagSet("run", flag.ExitOnError)
 
 	flRemove := flags.Bool([]string{"#rm", "-rm"}, false, "")
@@ -170,7 +195,8 @@ func (c *Container) Parse() *Container {
 
 	args, err := shlex.Split(c.ContainerCfg.Cmd)
 	if err != nil {
-		return c.returnErr(err)
+		c.Err = err
+		return
 	}
 
 	log.Debugf("Parsing [%s]", strings.Join(args, ","))
@@ -179,6 +205,21 @@ func (c *Container) Parse() *Container {
 	c.Name = *flName
 	c.detach = *flDetach
 	c.remove = *flRemove
+}
+
+func (c *Container) Parse() *Container {
+	if c.Config != nil || c.Err != nil {
+		return c
+	}
+
+	if len(c.ContainerCfg.Cmd) > 0 {
+		c.parseCmd()
+	} else if c.ContainerCfg.Service != nil {
+		c.parseService()
+	} else {
+		c.Err = errors.New("Cmd or Service must be set")
+		return c
+	}
 
 	if c.ContainerCfg.Id == "" {
 		c.ContainerCfg.Id = c.Name
@@ -219,6 +260,7 @@ func (c *Container) Stage() *Container {
 			OutputStream: os.Stdout,
 		}, dockerClient.AuthConfiguration{})
 	} else if err != nil {
+		log.Errorf("Failed to stage: %s: %v", c.Config.Image, err)
 		c.Err = err
 	}
 
@@ -291,7 +333,7 @@ func (c *Container) renameOld(client *dockerClient.Client, opts *dockerClient.Cr
 	}
 
 	var newName string
-	if label, ok := existing.Config.Labels[HASH]; ok {
+	if label, ok := existing.Config.Labels[config.HASH]; ok {
 		newName = fmt.Sprintf("%s-%s", existing.Name, label)
 	} else {
 		newName = fmt.Sprintf("%s-unknown-%s", existing.Name, util.RandSeq(12))
@@ -316,6 +358,7 @@ func (c *Container) renameOld(client *dockerClient.Client, opts *dockerClient.Cr
 func (c *Container) getCreateOpts(client *dockerClient.Client) (*dockerClient.CreateContainerOptions, error) {
 	bytes, err := json.Marshal(c)
 	if err != nil {
+		log.Errorf("Failed to marshall: %v", c)
 		return nil, err
 	}
 
@@ -323,6 +366,7 @@ func (c *Container) getCreateOpts(client *dockerClient.Client) (*dockerClient.Cr
 
 	err = json.Unmarshal(bytes, &opts)
 	if err != nil {
+		log.Errorf("Failed to unmarshall: %s", string(bytes))
 		return nil, err
 	}
 
@@ -335,8 +379,8 @@ func (c *Container) getCreateOpts(client *dockerClient.Client) (*dockerClient.Cr
 		return nil, err
 	}
 
-	opts.Config.Labels[HASH] = hash
-	opts.Config.Labels[ID] = c.ContainerCfg.Id
+	opts.Config.Labels[config.HASH] = hash
+	opts.Config.Labels[config.ID] = c.ContainerCfg.Id
 
 	return &opts, nil
 }
@@ -346,7 +390,7 @@ func appendVolumesFrom(client *dockerClient.Client, containerCfg *config.Contain
 		return nil
 	}
 
-	container, err := getByLabel(client, ID, containerCfg.Id)
+	container, err := getByLabel(client, config.ID, containerCfg.Id)
 	if err != nil || container == nil {
 		return err
 	}
@@ -360,7 +404,7 @@ func appendVolumesFrom(client *dockerClient.Client, containerCfg *config.Contain
 	return nil
 }
 
-func (c *Container) start(create_only, wait bool) *Container {
+func (c *Container) start(createOnly, wait bool) *Container {
 	c.Lookup()
 	c.Stage()
 
@@ -378,6 +422,7 @@ func (c *Container) start(create_only, wait bool) *Container {
 
 	opts, err := c.getCreateOpts(client)
 	if err != nil {
+		log.Errorf("Failed to create container create options: %v", err)
 		return c.returnErr(err)
 	}
 
@@ -420,7 +465,7 @@ func (c *Container) start(create_only, wait bool) *Container {
 		hostConfig = opts.HostConfig
 	}
 
-	if create_only {
+	if createOnly {
 		return c
 	}
 
@@ -439,12 +484,17 @@ func (c *Container) start(create_only, wait bool) *Container {
 
 		err = client.StartContainer(c.Container.ID, hostConfig)
 		if err != nil {
+			log.Errorf("Error from Docker %s", err)
 			return c.returnErr(err)
 		}
 	}
 
 	if !c.detach && wait {
-		_, c.Err = client.WaitContainer(c.Container.ID)
+		var exitCode int
+		exitCode, c.Err = client.WaitContainer(c.Container.ID)
+		if exitCode != 0 {
+			c.Err = errors.New(fmt.Sprintf("Container %s exited with code %d", c.Name, exitCode))
+		}
 		return c
 	}
 

docker/factory.go

@@ -0,0 +1,69 @@
+package docker
+
+import (
+	log "github.com/Sirupsen/logrus"
+
+	"github.com/rancherio/os/config"
+	"github.com/rancherio/rancher-compose/project"
+)
+
+type ContainerFactory struct {
+}
+
+type containerBasedService struct {
+	name          string
+	project       *project.Project
+	container     *Container
+	serviceConfig *project.ServiceConfig
+	cfg           *config.Config
+}
+
+func (c *containerBasedService) Up() error {
+	container := c.container
+	containerCfg := c.container.ContainerCfg
+
+	if containerCfg.CreateOnly {
+		container.Create()
+		c.project.Notify(project.CONTAINER_CREATED, c, map[string]string{
+			project.CONTAINER_ID: container.Container.ID,
+		})
+	} else {
+		container.StartAndWait()
+		c.project.Notify(project.CONTAINER_STARTED, c, map[string]string{
+			project.CONTAINER_ID: container.Container.ID,
+		})
+	}
+
+	if container.Err != nil {
+		log.Errorf("Failed to run %v: %v", containerCfg.Id, container.Err)
+	}
+
+	if container.Err == nil && containerCfg.ReloadConfig {
+		return project.ErrRestart
+	}
+
+	return container.Err
+}
+
+func (c *containerBasedService) Config() *project.ServiceConfig {
+	return c.serviceConfig
+}
+
+func (c *containerBasedService) Name() string {
+	return c.name
+}
+
+func (c *ContainerFactory) Create(project *project.Project, name string, serviceConfig *project.ServiceConfig) (project.Service, error) {
+	container := NewContainerFromService(config.DOCKER_SYSTEM_HOST, name, serviceConfig)
+
+	if container.Err != nil {
+		return nil, container.Err
+	}
+
+	return &containerBasedService{
+		name:          name,
+		project:       project,
+		container:     container,
+		serviceConfig: serviceConfig,
+	}, nil
+}

init/bootstrap.go

@@ -8,9 +8,10 @@ import (
 	log "github.com/Sirupsen/logrus"
 	"github.com/rancherio/os/config"
 	"github.com/rancherio/os/util"
+	"github.com/rancherio/rancher-compose/project"
 )
 
-func runBootstrapContainers(cfg *config.Config) error {
+func autoformat(cfg *config.Config) error {
 	if len(cfg.State.Autoformat) == 0 || util.ResolveDevice(cfg.State.Dev) != "" {
 		return nil
 	}
@@ -54,24 +55,22 @@ outer:
 
 	if format != "" {
 		log.Infof("Auto formatting : %s", format)
-		return runContainersFrom("", cfg, append([]config.ContainerConfig{
-			{
-				Id: "auto-format",
-				Cmd: "--name auto-format " +
-					"--rm " +
-					"--net=none " +
-					"--privileged " +
-					"autoformat " +
-					format,
+		return runServices("autoformat", cfg, map[string]*project.ServiceConfig{
+			"autoformat": {
+				Net:        "none",
+				Privileged: true,
+				Image:      "autoformat",
+				Command:    format,
 			},
-		}, cfg.BootstrapContainers...))
+			"udev": cfg.BootstrapContainers["udev"],
+		})
 	}
 
 	return nil
 }
 
-func autoformat(cfg *config.Config) error {
-	return runContainersFrom("", cfg, cfg.BootstrapContainers)
+func runBootstrapContainers(cfg *config.Config) error {
+	return runServices("bootstrap", cfg, cfg.BootstrapContainers)
 }
 
 func startDocker(cfg *config.Config) (chan interface{}, error) {

init/sysinit.go

@@ -10,6 +10,8 @@ import (
 	"github.com/rancherio/os/config"
 	"github.com/rancherio/os/docker"
 	"github.com/rancherio/os/util"
+
+	"github.com/rancherio/rancher-compose/project"
 )
 
 func importImage(client *dockerClient.Client, name, fileName string) error {
@@ -107,50 +109,63 @@ func loadImages(cfg *config.Config) error {
 	return nil
 }
 
-func runContainersFrom(startFrom string, cfg *config.Config, containerConfigs []config.ContainerConfig) error {
-	foundStart := false
+func runServices(name string, cfg *config.Config, configs map[string]*project.ServiceConfig) error {
+	project := project.NewProject(name, &docker.ContainerFactory{})
+	enabled := make(map[string]bool)
 
-	for i, containerConfig := range containerConfigs {
-		container := docker.NewContainer(config.DOCKER_SYSTEM_HOST, &containerConfig)
-
-		if util.Contains(cfg.Disable, containerConfig.Id) {
-			log.Infof("%s is disabled : %v", containerConfig.Id, cfg.Disable)
-			continue
-		}
-
-		if foundStart || startFrom == "" {
-
-			if containerConfig.CreateOnly {
-				log.Infof("Creating [%d/%d] %s", i+1, len(containerConfigs), containerConfig.Id)
-				container.Create()
-			} else {
-				log.Infof("Running [%d/%d] %s", i+1, len(containerConfigs), containerConfig.Id)
-				container.StartAndWait()
-			}
-
-			if container.Err != nil {
-				log.Errorf("Failed to run %v: %v", containerConfig.Id, container.Err)
-			}
-
-			if containerConfig.ReloadConfig {
-				log.Info("Reloading configuration")
-				err := cfg.Reload()
-				if err != nil {
-					return err
-				}
-
-				return runContainersFrom(containerConfig.Id, cfg, cfg.SystemContainers)
-			}
-		} else if startFrom == containerConfig.Id {
-			foundStart = true
+	for name, serviceConfig := range configs {
+		if err := project.AddConfig(name, serviceConfig); err != nil {
+			log.Infof("Failed loading service %s", name)
 		}
 	}
 
-	return nil
+	project.ReloadCallback = func() error {
+		err := cfg.Reload()
+		if err != nil {
+			return err
+		}
+
+		for _, addon := range cfg.EnabledAddons {
+			if _, ok := enabled[addon]; ok {
+				continue
+			}
+
+			if config, ok := cfg.Addons[addon]; ok {
+				for name, s := range config.SystemContainers {
+					if err := project.AddConfig(name, s); err != nil {
+						log.Errorf("Failed to load %s : %v", name, err)
+					}
+				}
+			} else {
+				bytes, err := util.LoadResource(addon)
+				if err != nil {
+					log.Errorf("Failed to load %s : %v", addon, err)
+					continue
+				}
+
+				err = project.Load(bytes)
+				if err != nil {
+					log.Errorf("Failed to load %s : %v", addon, err)
+					continue
+				}
+			}
+
+			enabled[addon] = true
+		}
+
+		return nil
+	}
+
+	err := project.ReloadCallback()
+	if err != nil {
+		log.Errorf("Failed to reload %s : %v", name, err)
+		return err
+	}
+	return project.Up()
 }
 
 func runContainers(cfg *config.Config) error {
-	return runContainersFrom("", cfg, cfg.SystemContainers)
+	return runServices("system-init", cfg, cfg.SystemContainers)
 }
 
 func tailConsole(cfg *config.Config) error {
@@ -163,29 +178,26 @@ func tailConsole(cfg *config.Config) error {
 		return err
 	}
 
-	for _, container := range cfg.SystemContainers {
-		if container.Id != config.CONSOLE_CONTAINER {
-			continue
-		}
-
-		c := docker.NewContainer(config.DOCKER_SYSTEM_HOST, &container).Lookup()
-		if c.Err != nil {
-			continue
-		}
-
-		log.Infof("Tailing console : %s", c.Name)
-		return client.Logs(dockerClient.LogsOptions{
-			Container:    c.Name,
-			Stdout:       true,
-			Stderr:       true,
-			Follow:       true,
-			OutputStream: os.Stdout,
-			ErrorStream:  os.Stderr,
-		})
+	console, ok := cfg.SystemContainers[config.CONSOLE_CONTAINER]
+	if !ok {
+		log.Error("Console not found")
+		return nil
 	}
 
-	log.Error("Console not found")
-	return nil
+	c := docker.NewContainerFromService(config.DOCKER_SYSTEM_HOST, config.CONSOLE_CONTAINER, console)
+	if c.Err != nil {
+		return c.Err
+	}
+
+	log.Infof("Tailing console : %s", c.Name)
+	return client.Logs(dockerClient.LogsOptions{
+		Container:    c.Name,
+		Stdout:       true,
+		Stderr:       true,
+		Follow:       true,
+		OutputStream: os.Stdout,
+		ErrorStream:  os.Stderr,
+	})
 }
 
 func SysInit() error {
@@ -201,6 +213,10 @@ func SysInit() error {
 			syscall.Sync()
 			return nil
 		},
+		func(cfg *config.Config) error {
+			log.Info("RancherOS booted")
+			return nil
+		},
 		tailConsole,
 	}
 

util/util.go

@@ -4,9 +4,12 @@ import (
 	"archive/tar"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"math/rand"
+	"net/http"
 	"os"
 	"path"
+	"strings"
 	"syscall"
 
 	"github.com/docker/docker/pkg/mount"
@@ -182,3 +185,16 @@ func MergeMaps(left, right map[interface{}]interface{}) {
 		}
 	}
 }
+
+func LoadResource(location string) ([]byte, error) {
+	if strings.HasPrefix(location, "http:/") || strings.HasPrefix(location, "https:/") {
+		resp, err := http.Get(location)
+		if err != nil {
+			return nil, err
+		}
+		defer resp.Body.Close()
+		return ioutil.ReadAll(resp.Body)
+	} else {
+		return ioutil.ReadFile(location)
+	}
+}