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DGX CONTAINER REGISTRY DU-08380-001 _v03 | October 2017 User Guide

DGX Container Registry - NVIDIA Developer … DGX Container Registry DU-08380-001 _v03 | 1 Chapter 1. NVIDIA DGX CONTAINER REGISTRY OVERVIEW This guide is for first time users of the

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DGX CONTAINER REGISTRY

DU-08380-001 _v03 | October 2017

User Guide

www.nvidia.comDGX Container Registry DU-08380-001 _v03 | ii

TABLE OF CONTENTS

Chapter 1. NVIDIA DGX Container Registry Overview.................................................... 11.1. General Workflow for Using NVIDIA DGX Container Registry.......................................11.2. Assumptions................................................................................................1

Chapter 2. NVIDIA DGX Container Registry Spaces and User Roles.................................... 22.1. NVIDIA DGX Container Registry Spaces................................................................22.2. User Roles..................................................................................................2

Chapter 3. Setting Up NVIDIA DGX Container Registry................................................... 4Chapter 4. Administrator Instructions....................................................................... 5

4.1. Activating your NVIDIA DGX Cloud Services Account................................................54.2. Using the NVIDIA DGX Cloud Services Website.......................................................5

4.2.1. NVIDIA DGX Container Registry Spaces – Initial View..........................................64.2.2. NVIDIA DGX Container Registry Spaces with Docker Repositories............................6

4.3. Creating Projects......................................................................................... 84.4. Creating Users and Changing User Roles..............................................................8

4.4.1. Creating Users and Adding Them to Projects...................................................84.4.2. Changing User Roles................................................................................ 8

4.5. Using the NVIDIA DGX Container Registry............................................................ 9Chapter 5. User Instructions................................................................................. 10

5.1. Activating Your DGX Cloud Services Account....................................................... 105.2. Using the NVIDIA DGX Cloud Services Website..................................................... 10

5.2.1. Viewing the Repositories..........................................................................115.2.2. Switching Registry Space Views................................................................. 125.2.3. Getting Your NVIDIA DGX Cloud Services API Key.............................................13

5.3. Using NVIDIA DGX Container Registry from the Docker Command Line.........................155.3.1. Accessing NVIDIA DGX Container Registry......................................................155.3.2. Loading an NVIDIA Docker Container onto your System..................................... 165.3.3. Tagging and Pushing a Container Image........................................................18

Chapter 6. Getting Support for NVIDIA DGX Container Registry...................................... 19

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Chapter 1.NVIDIA DGX CONTAINER REGISTRYOVERVIEW

This guide is for first time users of the NVIDIA® DGX™ Container Registry. It explainsthe different user roles, how to set up new users on the NVIDIA DGX ContainerRegistry, and how to push and pull container images to and from the NVIDIA DGXContainer Registry.

1.1. General Workflow for Using NVIDIA DGXContainer RegistryUsing NVIDIA DGX Container Registry involves two areas – the NVIDIA DGX CloudServices website and the Docker command line – as described in the following generalflow:

1. Activate your NVIDIA DGX Cloud Services account. 2. Log on to the DGX Cloud Services (http://compute.nvidia.com) website.

‣ Obtain your API Key so you can access the NVIDIA DGX Container Registry.‣ Organization administrators can also create users and view available registry

spaces and repositories.‣ Other users can view available registry spaces and repositories.

3. From the Docker command line, access the NVIDIA DGX Container Registry andissue Docker commands such as pushing, pulling, or running Docker containers,depending on your user role.

1.2. AssumptionsThis guide assumes the user is familiar with Linux and Docker, and has access to atleast one DGX-1 system with Docker and nvidia-docker installed and configured forinternet access.

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Chapter 2.NVIDIA DGX CONTAINER REGISTRY SPACESAND USER ROLES

2.1. NVIDIA DGX Container Registry SpacesThe following are the registry spaces available to NVIDIA DGX Container Registryusers:

‣ NVIDIA Public Registry

Path: nvcr.io/nvidia/

This space contains images provided by NVIDIA. All assigned users within acustomer organization can pull images from this space.

‣ Customer Organization

Path: nvcr.io/org/

This space is created for a customer organization during the initial NVIDIA DGXContainer Registry setup.

The organization administrator can push Docker images to this space for use by allusers within their organization.

‣ Customer Project

Path: nvcr.io/org_project/

This space is created by the organization administrator for use by other users withintheir organization who have been added to the project.

2.2. User RolesNVIDIA DGX Container Registry supports three different user roles:

‣ Organization Administrator

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Capabilities:

‣ Create projects‣ Create users and assign them to one or more projects as Read-write or Read-

only users‣ Push, pull, and run Docker images to and from all customer registry spaces‣ Pull and run Docker images from the NVIDIA public registry.

‣ Read-write User

The Read-write user role is applied on a per-organization or per-project basis. Allusers are automatically set up as Read-only users for the organization space, unlessthey have been specifically set up as a Read-write user for that space.

Capabilities:

‣ Pull, push, and run Docker images to and from any organization or projectspaces of which the user is a member

‣ Pull and run Docker images from the NVIDIA public registry

‣ Read-only User

The Read-write user role is applied on a per-organization or per-project basis. Allusers are automatically set up as Read-only users for the organization space, unlessthey have been specifically set up as a Read-write user for that space.

Capabilities:

‣ Pull and run Docker images from the NVIDIA public registry, from theorganization space, and from any projects of which the user is a member

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Chapter 3.SETTING UP NVIDIA DGX CONTAINERREGISTRY

Before the customer organization attempts to use NVIDIA DGX Container Registry, theperson responsible for ordering NVIDIA DGX Cloud Services should make sure that thefollowing information has been provided to NVIDIA sales:

‣ Organization name

This name identifies the organization registry space that is available to all users inyour organization.

‣ Project name (optional)

This name identifies an additional registry space that select users withinyour organization can use to share Docker images among a team within yourorganization.

‣ Organization administrator name and email

This is the person responsible for adding users and projects to the registry.

‣ Authentication method for user accounts (IT-managed by SAML, or DGXaccount)

IT-managed by SAML method integrates with your domain login as a single sign-on.

DGX accounts are independent of your organization’s IT structure.

Once NVIDIA has received this information, the NVIDIA DGX team will set up theorganization's space within NVIDIA DGX Container Registry, set up the administratoraccount and authentication method, and then send a welcome email to the administratorto inform that NVIDIA DGX Container Registry is available for use.

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Chapter 4.ADMINISTRATOR INSTRUCTIONS

4.1. Activating your NVIDIA DGX Cloud ServicesAccountIn addition to providing access to software and container updates, your NVIDIA DGXCloud Services account lets you access the optimized deep learning container imagesthat are provided through the DGX Container Registry.

Before activating your NVIDIA DGX Cloud Services account, ensure that you havereceived an invitation email from the NVIDIA DGX team. The email confirms that theNVIDIA DGX team has set up your NVIDIA DGX Cloud Services account and that it isready for you to activate.

1. Follow the link in the e-mail to open the NVIDIA DGX Cloud Services accountactivation page in a browser.

2. Follow the instructions on the NVIDIA DGX Cloud Services account activation pageto activate your account.Depending on the authentication method set up by your organization, you mayneed to create a password or you may need to log in using your organization'ssingle sign-on credentials.

4.2. Using the NVIDIA DGX Cloud Services WebsiteLog on to the DGX Cloud Services (http://compute.nvidia.com) website.

The NVIDIA DGX Cloud Services website opens to a screen similar to the following:

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In the upper right corner is an icon representing you, the user, and the currentregistry space view.

4.2.1. NVIDIA DGX Container Registry Spaces – InitialViewThe Container Registry area shows the registry spaces in the current view, as well asany Docker images that are stored there. All users can see the NVIDIA registry spacecontaining DIGITS, CUDA and the Deep Learning Frameworks containers. This area isfor read-only access to NVIDIA published containers.

The organization registry space and any other project spaces that have been set up willnot appear until at least one Docker image is pushed to the space.

4.2.2. NVIDIA DGX Container Registry Spaces withDocker RepositoriesThe following example shows the organization space (acme) for a fictional AcmeCorporation, and a project space (acme_zoom) for the Acme Zoom project after Dockerimages have been pushed to those spaces.

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A project space appears only if that project is in the current view. To switch registryspace views, click your user icon at the upper right of the window, then select theorganization or project space from the dropdown list.

This example shows the following registry spaces:

‣ nvidia (nvcr.io/nvidia/)

This is the NVIDIA registry space that is available for read-only access to all DGXusers.

‣ acme (nvcr.io/acme/)

This is the organization registry space for the fictional company Acme Corporation.The organization administrator can push container images to this space to be sharedwith all users within the Acme organization. This area is private to this organizationand cannot be seen by any other customers.

‣ acme_zoom (nvcr.io/acme_zoom/)

This is a project registry space (Acme Zoom) created by the organizationadministrator. Read-write users created under this project can push containerimages to this space to be shared with other members of the project. Read-only usersunder this project can pull and run containers from this space.

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4.3. Creating ProjectsCreating other projects is useful for allowing users to share images within a team whilekeeping them invisible to other teams in the same organization.

If you need to create new projects, see Getting Support for NVIDIA DGX ContainerRegistry for instructions on how to contact NVIDIA Enterprise Support with yourrequest.

4.4. Creating Users and Changing User RolesAs the organization administrator, you must create user accounts in order to allowothers to use the NVIDIA DGX Container Registry. Users are added to the organizationspace by default, and other projects can be created and then users added to thoseprojects as needed.

4.4.1. Creating Users and Adding Them to Projects 1. Log on to the DGX Cloud Services (http://compute.nvidia.com) website. 2. Select which registry space to add the user.

If one or more projects are set up, click your user icon at the upper right corner andthen select the organization space or one of the project spaces from the dropdownlist.

If you select a project space, the user will automatically be added to theorganization space as a Read-only user.

3. Click Users from the left side menu, then click Add New User. 4. Fill out the Add New User form for the new user as follows:

a) Enter the display name and email where indicated.b) Click the Role Type list arrow and then select one of the user types.

5. Click Submit when done.

An invitation email is automatically sent to the user.

Users can be members of more than one project. To add a user to another project, repeatthese steps for any additional projects.

4.4.2. Changing User RolesYou can change user roles for any users you created. For example, if you added auser to a project when first creating the user, that user is automatically added to theorganization space as a Read-only user. To allow that user to push Docker images to the

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organization registry space, you need to change that user’s role to Read-write for thatspace.

1. Log on to the DGX Cloud Services (http://compute.nvidia.com) website. 2. Select which registry space for which you want to change the user role.

Click your user icon at the upper right corner and then select the organization spaceor one of the project spaces from the dropdown list.

3. Click Users from the left side menu.A list of all the users in the current registry space appears.

4. Locate the user whose role you want to change, then click the pencil edit icon at theright side.The Edit User form appears.

5. Click the Role Type list arrow and then select the new user type. 6. Click Submit when done.

4.5. Using the NVIDIA DGX Container RegistrySee User Instructions for instructions on how to use NVIDIA DGX Container Registry.

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Chapter 5.USER INSTRUCTIONS

Before using NVIDIA DGX Container Registry from the Docker command line, youneed to log on to the DGX Cloud Services (http://compute.nvidia.com) website andobtain your API Key. Your API Key authenticates you to use the registry.

The DGX Cloud Services (http://compute.nvidia.com) website also provides usefulinformation, such as:

‣ The NVIDIA DGX Container Registry spaces that are available to you‣ The Docker repositories in each space‣ Guidance on Docker push and pull commands

5.1. Activating Your DGX Cloud Services AccountAfter your organization administrator adds you as a user to the DGX Registry space, youwill receive an invitation email.

1. Click the link in the email to launch the DGX Cloud Services website accountactivation page in a browser.

2. Follow the instructions to activate your account.Depending on the authentication method set up by your organization, you mayneed to create a password or you may need to log in using your organization'ssingle sign-on credentials.

5.2. Using the NVIDIA DGX Cloud Services WebsiteLog on to the DGX Cloud Services (http://compute.nvidia.com) website.

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When you log on to the website, the left section shows the NVIDIA DGX ContainerRegistry spaces that you can access. These are indicated by the name adjacent to thenetwork symbol.

‣ nvidia (nvcr.io/nvidia/)

This is the NVIDIA registry space that is available for read-only access to allDGX users.

‣ acme (nvcr.io/acme/)

This is the organization registry space for the fictional company AcmeCorporation, and is available to all users within the Acme organization.

‣ acme_zoom (nvcr.io/acme_zoom/)

This is a project registry space (Acme Zoom) created by the organizationadministrator. Read-write users created under this project can push containerimages to this space to be shared with other members of the project. Read-onlyusers under this project can pull and run containers from this space

5.2.1. Viewing the RepositoriesThe DGX Cloud Services (http://compute.nvidia.com) website provides informationabout the repositories stored in each registry space.

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1. Click the name of the NVIDIA DGX Container Registry space to show or hide a listof Docker repositories that are stored in each space.

2. Click one of the repositories to show a list of available tags for that Docker image aswell as a readme that provides general information about the repository.

3. To view the suggested pull command for a specific image and tag, hover over thetag and then click the download icon.

You can copy this command to the clip board by clicking the copy icon to the right ofthe command.

4. To view a model push command for the current registry space, click PushCommand.

You will need to replace <repository:tag> with the corresponding information ofthe image that you want to push to the registry.

5.2.2. Switching Registry Space ViewsA project space appears only if that project is in the current view.

1. Click your user icon at the upper right of the window. 2. Select the organization or project space from the dropdown list.

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This example shows:

‣ The name of the user (John Smith) and login email ([email protected] )‣ That John Smith belongs to the following registry spaces:

‣ Acme Corporation (acme) organization space, which means that John Smithcan access Docker images in nvcr.io/acme/.

‣ Acme Zoom (acme_zoom) project space, which means that John Smith canaccess Docker images in nvcr.io/acme_zoom/.

5.2.3. Getting Your NVIDIA DGX Cloud Services API KeyYour NVIDIA DGX Cloud Services API key authenticates your access to NVIDIA DGXContainer Registry from the command line.

Caution You need to generate your NVIDIA DGX Cloud Services API key only once.Anyone with your API key can access all the services and resources to which you areentitled through your NVIDIA DGX Cloud Services account. Therefore, keep your APIkey secret and don't share it or store it where others can see or copy it.

1. Use a web browser to log in to your NVIDIA DGX Cloud Services account on theDGX Cloud Services (http://compute.nvidia.com) website.

2. In the top right corner, click your user account icon and select API KEY.

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3. In the API Key page that opens, click GENERATE API KEY .

If you misplace your API key, you can get a new API key from the DGX CloudServices (http://compute.nvidia.com) website whenever you need it. When youget your API key, a new key is generated, which invalidates any keys you mayhave obtained previously.

4. In response to the warning that your old API key will become invalid, clickCONTINUE.

Your NVIDIA DGX Cloud Services API key is displayed with examples of how touse it.

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Tip You can copy your API key to the clipboard by clicking the Copy icon to theright of the API key.

5.3. Using NVIDIA DGX Container Registry from theDocker Command Line

5.3.1. Accessing NVIDIA DGX Container RegistryYou can access the NVIDIA DGX Container Registry by running a Docker commandfrom your client computer. You are not limited to using your NVIDIA DGX platformto access the NVIDIA DGX Container Registry. You can use any Linux computer withInternet access on which Docker is installed.

Before accessing NVIDIA DGX Container Registry, ensure that the followingprerequisites are met:

‣ Your NVIDIA DGX Cloud Services account is activated.‣ You have an NVIDIA DGX Cloud Services API key for authenticating your access to

NVIDIA DGX Container Registry. For more information, see Getting Your NVIDIADGX Cloud Services API Key.

‣ You are logged in to your client computer as an administrator user.

An alternate approach for enabling other users to run containers without givingthem sudo privilege, and without having to type sudo before each docker command,is to add each user to the docker group, with the command:

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sudo usermod -aG docker $USER

While this approach is more convenient and commonly used, it is less securebecause any user who can send commands to the docker engine can escalateprivilege and run root level operations. If you choose to use this method, only addusers to the docker group who you would trust with root privileges.

1. Log in to the NVIDIA DGX Container Registry.

sudo docker login nvcr.io

2. When prompted for your user name, enter the following text:

$oauthtoken

The $oauthtoken user name is a special user name that indicates that you willauthenticate with an API key and not a user name and password.

3. When prompted for your password, enter your NVIDIA DGX Cloud Services APIkey as shown in the following example.

Username: $oauthtokenPassword: k7cqFTUvKKdiwGsPnWnyQFYGnlAlsCIRmlP67Qxa

Tip When you get your API key as explained in Getting Your NVIDIA DGX CloudServices API Key, copy it to the clipboard so that you can paste the API key intothe command shell when you are prompted for your password.

5.3.2. Loading an NVIDIA Docker Container onto yourSystemNo NVIDIA Docker containers are preloaded onto your system. Instead, containersare available for download from the NVIDIA DGX Container Registry. NVIDIA hasprovided a number of containers for download from the NVIDIA DGX ContainerRegistry. If your organization has provided you with access to any custom containers,you can download them as well.

Before loading an NVIDIA Docker container, ensure that the following prerequisites aremet:

‣ You have read access to the registry space that contains the container.‣ You are logged in to NVIDIA DGX Container Registry as explained in Accessing

NVIDIA DGX Container Registry.

Tip To browse the available containers in the NVIDIA DGX Container Registry, use aweb browser to log in to your NVIDIA DGX Cloud Services account on the DGX CloudServices (http://compute.nvidia.com) website.

1. Run the command to download the container that you want from the registry.

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sudo docker pull registry/registry-space/repository:tag

registryThe name of the container registry, which for the NVIDIA DGX ContainerRegistry is nvcr.io.

registry-spaceThe name of the space within the registry that contains the container. Forcontainers provided by NVIDIA, the registry space is nvidia.

repositoryRepositories are collections of containers of the same name, but distinguishedfrom each other by their tags. Think of it as the main container name.

tagA tag that identifies the version of the container.

2. To confirm that the container was downloaded, list the Docker images on yoursystem.

sudo docker images

The following example shows the commands for loading the December 2016 release(16.12) of the NVIDIA Caffe container and for confirming that the container wassuccessfully loaded. This example shows the full command output.

~$ sudo docker pull nvcr.io/nvidia/caffe:16.1216.12: Pulling from nvidia/caffe04cf3f0e25b6: Pulling fs layer d5b45e963ba0: Pulling fs layer a5c78fda4e14: Pull complete 193d4969ca79: Pull complete d709551f9630: Pull complete c4f10d5816c2: Pull complete 03d19b47e3f6: Pull complete 231461434bd3: Pull complete 24dc76e8a57a: Pull complete 11286505a13e: Pull complete c0b7802df453: Pull complete 2c7190d40165: Pull complete b4e14a2856c8: Pull complete bb07303d2aa9: Pull complete 7b44e6f6b31b: Pull complete 1bd98944b62b: Pull complete 760e4f26da15: Pull complete 564efdae2d06: Pull complete 9d7ad3031795: Pull complete a83bb85f8782: Pull complete 8ff58fe01b92: Pull complete 8c5870e63480: Pull complete f78f7c4c38be: Pull complete 648f9f6f88f5: Pull complete 600fdfb030b9: Pull complete Digest: sha256:a9441422dc506cb76136132a530bdae63b1753019ceb44f29e39eb0ff8f27528Status: Downloaded newer image for nvcr.io/nvidia/caffe:16.12~$ sudo docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEnvcr.io/nvidia/caffe 16.12 f2c0772c2e2d 3 weeks ago 3.436 GB

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The following examples show commands for loading the NVIDIA DIGITS and Torchcontainers. The command output is omitted from these examples.

‣ NVIDIA DIGITS December 2016 release (16.12):

~$ sudo docker pull nvcr.io/nvidia/digits:16.12

‣ Torch December 2016 release (16.12):

~$ sudo docker pull nvcr.io/nvidia/torch:16.12

The following examples show commands for loading containers that are available tousers who have read access to the acme organization space and acme_zoom projectspace. The command output is omitted from these examples.

‣ Version 0.1 of the preloadedimage container in the acme organization space:

~$ sudo docker pull nvcr.io/acme/preloadedimage:0.1

‣ Version v1.5 of the mycaffe container in the acme_zoom project space:

~$ sudo docker pull nvcr.io/acme_zoom/mycaffe:v1.5

5.3.3. Tagging and Pushing a Container ImageTagging and pushing a container image requires read-write access to the registry spacethat contains the container.

In the following examples, the user is a member of the Acme organization and theZoom project within the Acme organization and has read-write access to the acme_zoomproject space.

‣ This example tags version v1.5 of the mycaffe local container image in theacme_zoom project space:

~$ sudo docker tag mycaffe nvcr.io/acme_zoom/mycaffe:v1.5

‣ This example pushes version v1.5 of the mycaffe local container image to theacme_zoom project space:

~$ sudo docker push nvcr.io/acme_zoom/mycaffe:v1.5

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Chapter 6.GETTING SUPPORT FOR NVIDIA DGXCONTAINER REGISTRY

For additional information on using the NVIDIA DGX Container Registry and forgetting help if you encounter issues, send an email to [email protected] a description of your issue and a ticket will be created for you.

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