mesos

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 Go to latest Published: Jun 16, 2015 License: Apache-2.0 Imports: 24 Imported by: 0

README

Using Docker Swarm and Mesos

Swarm comes with a built-in scheduler that works with the swarm manager to schedule container resources. You can completly replace the built-in scheduler with a 3rd party scheduler. For example, you can replace it with the Mesos scheduler as described here.

When using Docker Swarm and Mesos, you use the Docker client to ask the swarm manager to schedule containers. The swarm manager then schedules those containers on a Mesos cluster.

Prerequisites

Each node in your swarm must run a Mesos slave. The slave must be capable of starting tasks in a Docker Container using the --containerizer=docker option.

You need to configure two TCP ports on the slave. One port to listen for the swarm manager, for example 2375. And a second TCP port to listen for the Mesos master, for example 3375.

Start the Docker Swarm manager

If you use a single Mesos master:

docker run -d -p <swarm_port>:2375 -p 3375:3375 swarm manage -c mesos-experimental --cluster-opt mesos.address=<public_machine_ip> --cluster-opt mesos.port=3375 <mesos_master_ip>:<mesos_master:port>

If you use multiple Mesos masters:

docker run -d -p <swarm_port>:2375 -p 3375:3375 swarm manage -c mesos-experimental --cluster-opt mesos.address=<public_machine_ip> --cluster-opt mesos.port=3375 zk://<mesos_masters_url>

Once the manager is running, check your configuration by running docker info as follows:

docker -H tcp://<manager_ip:manager_port> info

For example, if you run the manager locally on your machine:

Containers: 0
Offers: 2
  Offer: 20150609-222929-1327399946-5050-14390-O6286
     └ cpus: 2
     └ mem: 1006 MiB
     └ disk: 34.37 GiB
     └ ports: 31000-32000
  Offer: 20150609-222929-1327399946-5050-14390-O6287
     └ cpus: 2
     └ mem: 1006 MiB
     └ disk: 34.37 GiB
     └ ports: 31000-32000

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewCluster 

func NewCluster(scheduler *scheduler.Scheduler, store *state.Store, TLSConfig *tls.Config, master string, options cluster.DriverOpts) (cluster.Cluster, error)

NewCluster for mesos Cluster creation

Types

type Cluster 

type Cluster struct {
	sync.RWMutex

	TLSConfig *tls.Config
	// contains filtered or unexported fields
}

Cluster struct for mesos

func (*Cluster) Container 

func (c *Cluster) Container(IDOrName string) *cluster.Container

Container returns the container with IdOrName in the cluster

func (*Cluster) Containers 

func (c *Cluster) Containers() cluster.Containers

Containers returns all the containers in the cluster.

func (*Cluster) CreateContainer 

func (c *Cluster) CreateContainer(config *cluster.ContainerConfig, name string) (*cluster.Container, error)

CreateContainer for container creation in Mesos task

func (*Cluster) Disconnected 

func (c *Cluster) Disconnected(mesosscheduler.SchedulerDriver)

Disconnected method

func (*Cluster) Error 

func (c *Cluster) Error(d mesosscheduler.SchedulerDriver, msg string)

Error method

func (*Cluster) ExecutorLost 

func (c *Cluster) ExecutorLost(mesosscheduler.SchedulerDriver, *mesosproto.ExecutorID, *mesosproto.SlaveID, int)

ExecutorLost method

func (*Cluster) FrameworkMessage 

func (c *Cluster) FrameworkMessage(mesosscheduler.SchedulerDriver, *mesosproto.ExecutorID, *mesosproto.SlaveID, string)

FrameworkMessage method

func (*Cluster) Image 

func (c *Cluster) Image(IDOrName string) *cluster.Image

Image returns an image with IdOrName in the cluster

func (*Cluster) Images 

func (c *Cluster) Images() []*cluster.Image

Images returns all the images in the cluster.

func (*Cluster) Import 

func (c *Cluster) Import(source string, repository string, tag string, imageReader io.Reader, callback func(what, status string))

Import image

func (*Cluster) Info 

func (c *Cluster) Info() [][]string

Info gives minimal information about containers and resources on the mesos cluster

func (*Cluster) Load 

func (c *Cluster) Load(imageReader io.Reader, callback func(what, status string))

Load images

func (*Cluster) OfferRescinded 

func (c *Cluster) OfferRescinded(mesosscheduler.SchedulerDriver, *mesosproto.OfferID)

OfferRescinded method

func (*Cluster) Pull 

func (c *Cluster) Pull(name string, authConfig *dockerclient.AuthConfig, callback func(what, status string))

Pull will pull images on the cluster nodes

func (*Cluster) RANDOMENGINE 

func (c *Cluster) RANDOMENGINE() (*cluster.Engine, error)

RANDOMENGINE returns a random engine.

func (*Cluster) RegisterEventHandler 

func (c *Cluster) RegisterEventHandler(h cluster.EventHandler) error

RegisterEventHandler registers an event handler.

func (*Cluster) Registered 

func (c *Cluster) Registered(driver mesosscheduler.SchedulerDriver, fwID *mesosproto.FrameworkID, masterInfo *mesosproto.MasterInfo)

Registered method for registered mesos framework

func (*Cluster) RemoveContainer 

func (c *Cluster) RemoveContainer(container *cluster.Container, force bool) error

RemoveContainer to remove containers on mesos cluster

func (*Cluster) RemoveImage 

func (c *Cluster) RemoveImage(image *cluster.Image) ([]*dockerclient.ImageDelete, error)

RemoveImage removes an image from the cluster

func (*Cluster) RemoveImages 

func (c *Cluster) RemoveImages(name string) ([]*dockerclient.ImageDelete, error)

RemoveImages removes images from the cluster

func (*Cluster) RenameContainer 

func (c *Cluster) RenameContainer(container *cluster.Container, newName string) error

RenameContainer Rename a container

func (*Cluster) Reregistered 

func (c *Cluster) Reregistered(mesosscheduler.SchedulerDriver, *mesosproto.MasterInfo)

Reregistered method for registered mesos framework

func (*Cluster) ResourceOffers 

func (c *Cluster) ResourceOffers(_ mesosscheduler.SchedulerDriver, offers []*mesosproto.Offer)

ResourceOffers method

func (*Cluster) SlaveLost 

func (c *Cluster) SlaveLost(mesosscheduler.SchedulerDriver, *mesosproto.SlaveID)

SlaveLost method

func (*Cluster) StatusUpdate 

func (c *Cluster) StatusUpdate(_ mesosscheduler.SchedulerDriver, taskStatus *mesosproto.TaskStatus)

StatusUpdate method

func (*Cluster) TotalCpus 

func (c *Cluster) TotalCpus() int64

TotalCpus return the total memory of the cluster

func (*Cluster) TotalMemory 

func (c *Cluster) TotalMemory() int64

TotalMemory return the total memory of the cluster

Source Files

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