Example #1
0
func (c *Container) hostConfig(app provision.App, isDeploy bool) (*docker.HostConfig, error) {
	sharedBasedir, _ := config.GetString("docker:sharedfs:hostdir")
	sharedMount, _ := config.GetString("docker:sharedfs:mountpoint")
	sharedIsolation, _ := config.GetBool("docker:sharedfs:app-isolation")
	sharedSalt, _ := config.GetString("docker:sharedfs:salt")
	hostConfig := docker.HostConfig{
		CPUShares: int64(app.GetCpuShare()),
	}

	if !isDeploy {
		hostConfig.Memory = app.GetMemory()
		hostConfig.MemorySwap = app.GetMemory() + app.GetSwap()
		hostConfig.RestartPolicy = docker.AlwaysRestart()
		hostConfig.PortBindings = map[docker.Port][]docker.PortBinding{
			docker.Port(c.ExposedPort): {{HostIP: "", HostPort: ""}},
		}
		pool := app.GetPool()
		driver, opts, logErr := LogOpts(pool)
		if logErr != nil {
			return nil, logErr
		}
		hostConfig.LogConfig = docker.LogConfig{
			Type:   driver,
			Config: opts,
		}
	} else {
		hostConfig.OomScoreAdj = 1000
	}

	hostConfig.SecurityOpt, _ = config.GetList("docker:security-opts")
	if sharedBasedir != "" && sharedMount != "" {
		if sharedIsolation {
			var appHostDir string
			if sharedSalt != "" {
				h := crypto.SHA1.New()
				io.WriteString(h, sharedSalt+c.AppName)
				appHostDir = fmt.Sprintf("%x", h.Sum(nil))
			} else {
				appHostDir = c.AppName
			}
			hostConfig.Binds = append(hostConfig.Binds, fmt.Sprintf("%s/%s:%s:rw", sharedBasedir, appHostDir, sharedMount))
		} else {
			hostConfig.Binds = append(hostConfig.Binds, fmt.Sprintf("%s:%s:rw", sharedBasedir, sharedMount))
		}
	}
	return &hostConfig, nil
}
Example #2
0
func (c *container) start(p *dockerProvisioner, app provision.App, isDeploy bool) error {
	port, err := getPort()
	if err != nil {
		return err
	}
	sharedBasedir, _ := config.GetString("docker:sharedfs:hostdir")
	sharedMount, _ := config.GetString("docker:sharedfs:mountpoint")
	sharedIsolation, _ := config.GetBool("docker:sharedfs:app-isolation")
	sharedSalt, _ := config.GetString("docker:sharedfs:salt")
	hostConfig := docker.HostConfig{
		Memory:     app.GetMemory(),
		MemorySwap: app.GetMemory() + app.GetSwap(),
		CPUShares:  int64(app.GetCpuShare()),
	}
	if !isDeploy {
		hostConfig.RestartPolicy = docker.AlwaysRestart()
		hostConfig.PortBindings = map[docker.Port][]docker.PortBinding{
			docker.Port(port + "/tcp"): {{HostIP: "", HostPort: ""}},
		}
		hostConfig.LogConfig = docker.LogConfig{
			Type: "syslog",
			Config: map[string]string{
				"syslog-address": fmt.Sprintf("udp://localhost:%d", getBsSysLogPort()),
			},
		}
	}
	hostConfig.SecurityOpt, _ = config.GetList("docker:security-opts")
	if sharedBasedir != "" && sharedMount != "" {
		if sharedIsolation {
			var appHostDir string
			if sharedSalt != "" {
				h := crypto.SHA1.New()
				io.WriteString(h, sharedSalt+c.AppName)
				appHostDir = fmt.Sprintf("%x", h.Sum(nil))
			} else {
				appHostDir = c.AppName
			}
			hostConfig.Binds = append(hostConfig.Binds, fmt.Sprintf("%s/%s:%s:rw", sharedBasedir, appHostDir, sharedMount))
		} else {
			hostConfig.Binds = append(hostConfig.Binds, fmt.Sprintf("%s:%s:rw", sharedBasedir, sharedMount))
		}
	}
	err = p.getCluster().StartContainer(c.ID, &hostConfig)
	if err != nil {
		return err
	}
	initialStatus := provision.StatusStarting.String()
	if isDeploy {
		initialStatus = provision.StatusBuilding.String()
	}
	return c.setStatus(p, initialStatus, false)
}