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https://github.com/thlorenz/dockops

docker convenience functions on top of dockerode
https://github.com/thlorenz/dockops

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docker convenience functions on top of dockerode

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# dockops [![build status](https://secure.travis-ci.org/thlorenz/dockops.png)](http://travis-ci.org/thlorenz/dockops)



docker convenience functions on top of dockerode



**Table of Contents**  *generated with [DocToc](http://doctoc.herokuapp.com/)*



- [Installation](#installation)

- [API](#api)

    - [dockops::Containers(docker) → {Object}](#dockopscontainersdocker-→-{object})

    - [dockops::Containers::activePorts(cb)](#dockopscontainersactiveportscb)

    - [dockops::Containers::clean(id, cb)](#dockopscontainerscleanid-cb)

    - [dockops::Containers::create(opts, cb)](#dockopscontainerscreateopts-cb)

    - [dockops::Containers::listAll(cb)](#dockopscontainerslistallcb)

    - [dockops::Containers::listGroup(group, cb)](#dockopscontainerslistgroupgroup-cb)

    - [dockops::Containers::listGroupRunning(group, cb)](#dockopscontainerslistgrouprunninggroup-cb)

    - [dockops::Containers::listImage(imageName, cb)](#dockopscontainerslistimageimagename-cb)

    - [dockops::Containers::listRunning(cb)](#dockopscontainerslistrunningcb)

    - [dockops::Containers::listStopped(cb)](#dockopscontainersliststoppedcb)

    - [dockops::Containers::remove(id, cb)](#dockopscontainersremoveid-cb)

    - [dockops::Containers::removeGroup(group, cb)](#dockopscontainersremovegroupgroup-cb)

    - [dockops::Containers::removeImage(name, cb)](#dockopscontainersremoveimagename-cb)

    - [dockops::Containers::removeStopped(cb)](#dockopscontainersremovestoppedcb)

    - [dockops::Containers::run(opts, cb)](#dockopscontainersrunopts-cb)

    - [dockops::Containers::stop(id, cb)](#dockopscontainersstopid-cb)

    - [dockops::Containers::stopGroup(group, cb)](#dockopscontainersstopgroupgroup-cb)

    - [dockops::Containers::stopImage(name, cb)](#dockopscontainersstopimagename-cb)

    - [dockops::Containers::stopRemove(id, cb)](#dockopscontainersstopremoveid-cb)

    - [dockops::Containers::stopRemoveGroup(group, cb)](#dockopscontainersstopremovegroupgroup-cb)

    - [dockops::Containers::stopRemoveImage(name, cb)](#dockopscontainersstopremoveimagename-cb)

    - [dockops::createDocker(dockerhost) → {Object}](#dockopscreatedockerdockerhost-→-{object})

    - [dockops::Images(docker) → {Object}](#dockopsimagesdocker-→-{object})

    - [dockops::Images::build(tarStream, image, cb)](#dockopsimagesbuildtarstream-image-cb)

    - [dockops::Images::buildStream(tarStream, image, cb)](#dockopsimagesbuildstreamtarstream-image-cb)

    - [dockops::Images::deserializeImageName(name) → {Object}](#dockopsimagesdeserializeimagenamename-→-{object})

    - [dockops::Images::list(cb)](#dockopsimageslistcb)

    - [dockops::Images::listGroup(group, cb)](#dockopsimageslistgroupgroup-cb)

    - [dockops::Images::removeGroup(group, cb)](#dockopsimagesremovegroupgroup-cb)

    - [dockops::logEvents(events, level)](#dockopslogeventsevents-level)

    - [dockops::portBindings(exposePort, hostPort) → {Object}](#dockopsportbindingsexposeport-hostport-→-{object})

- [License](#license)



```js

var dockops = require('dockops')

var docker = dockops.createDocker({ dockerhost: dockerhost });



var images = new dockops.Images(docker);

dockops.logEvents(images, 'verbose');



var containers = new dockops.Containers(docker);

dockops.logEvents(containers, 'verbose');



build('test:uno', testUnoTar, function () {

  build('toast:uno', toastUnoTar, function () {



    containers.run(.. // run test:uno and toast:uno containers



    containers.listRunning(function (err, res) {

      inspect(res);

      containers.stopRemoveGroup('test', function (err, res) {

        containers.listRunning(function (err, res) {

          inspect(res);

          http.request({ port: 49222 }, function (res) {

            console.log('--------------------------')

            inspect({ status: res.statusCode, headers: res.headers })

            res.pipe(process.stdout)

          }).end()

        }) 

      })

    })

  })

})

```



[full example](https://github.com/thlorenz/dockops/blob/master/example/create-wipe.js)



![output](https://github.com/thlorenz/dockops/raw/master/assets/output.gif)



## Installation



    npm install dockops



## API






















dockops::Containers(docker) → {Object}









Creates a new containers instance that will use the given docker instance to communicate with docker.




Parameters:



Name

Type

Description



docker



Object



dockerode instance to communicate with docker





Source:






Returns:




initialized containers








Type





Object











dockops::Containers::activePorts(cb)









Lists all running containers by the ports they expose.




Parameters:



Name

Type

Description



cb



function



called back with list of containers hashed by their port number





Source:












dockops::Containers::clean(id, cb)









Stops and/or kills and then removes a container.


Heavy machinery clean operation.

It was useful when running on arch with docker not always working as promised.

This may not be needed anymore as docker got more stable.




Parameters:



Name

Type

Description



id



string



container id



cb



function



called back after container was cleaned or maximum attempts were exceeded





Source:












dockops::Containers::create(opts, cb)









Creates a docker container according to given opts.




Parameters:



Name

Type

Description



opts



Object



creation options passed to dockerode



cb



function



called back when container was created





Source:












dockops::Containers::listAll(cb)









Lists all docker containers.




Parameters:



Name

Type

Description



cb



function



called back with list of containers





Source:












dockops::Containers::listGroup(group, cb)









Lists all containers that were created from images belonging to a given group.




Parameters:



Name

Type

Description



group



string



group for which to list containers



cb



function





Source:












dockops::Containers::listGroupRunning(group, cb)









Lists all running docker containers of the given group




Parameters:



Name

Type

Description



group



string



group for which to list running containers



cb



function



called back with list of running containers





Source:












dockops::Containers::listImage(imageName, cb)









Lists all containers that were created from a particular image.




Parameters:



Name

Type

Description



imageName



string



name of image for which to list containers



cb



function





Source:












dockops::Containers::listRunning(cb)









Lists all running docker containers




Parameters:



Name

Type

Description



cb



function



called back with list of running containers





Source:












dockops::Containers::listStopped(cb)









Lists all stopped docker containers




Parameters:



Name

Type

Description



cb



function



called back with list of stopped containers





Source:












dockops::Containers::remove(id, cb)









Removes the container with the given id




Parameters:



Name

Type

Description



id



string



id of the container to remove



cb



function



called back when container was removed





Source:












dockops::Containers::removeGroup(group, cb)









Removes all containers that were created from images belonging to a given group.




Parameters:



Name

Type

Description



group



string



group for which to remove containers



cb



function





Source:












dockops::Containers::removeImage(name, cb)









Removes all containers that were created from the image with the given name




Parameters:



Name

Type

Description



name



string



name of the image for which to remove containers



cb



function



called back when containers were removed





Source:












dockops::Containers::removeStopped(cb)









Removes all stopped containers.




Parameters:



Name

Type

Description



cb



function



called back when all stopped containers where removed.





Source:












dockops::Containers::run(opts, cb)









Creates and starts a container.




Parameters:



Name

Type

Description



opts



Object



container creation and start options


Properties



Name

Type

Argument

Description



create



Object



creation options passed to dockerode



start



Object



start options passed to container.start



startRetries



Object



<optional>



(default: 0) determines how many times we retry to start the container in case it fails



cb



function



called when the container was started - with an error if it failed





Source:












dockops::Containers::stop(id, cb)









Stops the container with the given id




Parameters:



Name

Type

Description



id



string



id of the container to stop



cb



function



called back when container was stopd





Source:












dockops::Containers::stopGroup(group, cb)









Stops all containers that were created from images belonging to a given group.




Parameters:



Name

Type

Description



group



string



group for which to stop containers



cb



function





Source:












dockops::Containers::stopImage(name, cb)









Stops all containers that were created from the image with the given name




Parameters:



Name

Type

Description



name



string



name of the image for which to stop containers



cb



function



called back when containers were stopped





Source:












dockops::Containers::stopRemove(id, cb)









Stops and then removes the container with the given id




Parameters:



Name

Type

Description



id



string



id of the container to stop and remove



cb



function



called back when container was stopped and removed





Source:












dockops::Containers::stopRemoveGroup(group, cb)









Stops and then removes all containers created from images belonging to a given group.




Parameters:



Name

Type

Description



group



string



group for which to remove containers



cb



function





Source:












dockops::Containers::stopRemoveImage(name, cb)









Stops and then removes all containers that were created from the image with the given name




Parameters:



Name

Type

Description



name



string



name of the image for which to stop and remove containers



cb



function



called back when containers were stopped and removed





Source:












dockops::createDocker(dockerhost) → {Object}









Convenience function to create a dockerode instance.




Parameters:



Name

Type

Argument

Description



dockerhost



string



<optional>



(default: 'unix:///var/run/docker.sock') the docker host can also be http or tcp





Source:






Returns:




dockerode instance








Type





Object











dockops::Images(docker) → {Object}









Creates a new images instance that will use the given docker instance to communicate with docker.




Parameters:



Name

Type

Description



docker



Object



dockerode instance to communicate with docker





Source:






Returns:




initialized images








Type





Object











dockops::Images::build(tarStream, image, cb)









Builds an image from the stream provided.

All intermediate containers are removed after the image was created.


All events from the tar stream are re-emitted, especially useful if it was created with dockerify.




Parameters:



Name

Type

Description



tarStream



Stream



the tar stream that contains the project files and a Dockerfile



image



string



then name under which to tag the created image



cb



function



called back when image is created or with an error if one occurred





Source:












dockops::Images::buildStream(tarStream, image, cb)









Builds an image from the stream provided.

All intermediate containers are removed after the image was created.


Note: if you want all events from the tar stream to be propagated, i.e. if it was created with dockerify, use build instead.




Parameters:



Name

Type

Description



tarStream



Stream



the tar stream that contains the project files and a Dockerfile



image



string



then name under which to tag the created image



cb



function



called back when image is created or with an error if one occurred





Source:












dockops::Images::deserializeImageName(name) → {Object}









Deserializes the given image name into an object.




Parameters:



Name

Type

Description



name



string



the name of the image, expected to be in the format: 'group:tag'.





Source:






Returns:




object of the format: { group: 'group', tag: 'tag' }








Type





Object











dockops::Images::list(cb)









Lists docker images.




Parameters:



Name

Type

Description



cb



function



called back with list of images





Source:












dockops::Images::listGroup(group, cb)









Lists docker images for given group.




Parameters:



Name

Type

Description



group



string



name of the group of images to list



cb



function



called back with list of images





Source:












dockops::Images::removeGroup(group, cb)









Removes all images for the given group




Parameters:



Name

Type

Description



group



string



name of the group of images to remove



cb



function



called back when the images were removed





Source:












dockops::logEvents(events, level)









Logs events emitted with npm log at the given level.


debug events are logged as verbose.




Parameters:



Name

Type

Description



events



EventEmitter



events that should be logged



level



string



(default: verbose) level of logging error|warn|info|verbose|silly





Source:












dockops::portBindings(exposePort, hostPort) → {Object}









Helper function to creat a proper tcp portbinding for the given ports




Parameters:



Name

Type

Argument

Description



exposePort



number



the port of the docker container to expose to the host



hostPort



number



<optional>



(default: 0 which causes docker to pick a port) the host port to which to bind the exposed port





Source:






Returns:




the port binding to pass to docker when creating a container








Type





Object













*generated with [docme](https://github.com/thlorenz/docme)*




## License



MIT