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Published: May 30, 2019 License: Apache-2.0 Imports: 0 Imported by: 0

README

Containerized Data Importer

Build Status Go Report Card Coverage Status Licensed under Apache License version 2.0

Containerized-Data-Importer (CDI) is a persistent storage management add-on for Kubernetes. It's primary goal is to provide a declarative way to build Virtual Machine Disks on PVCs for Kubevirt VMs

CDI works with standard core Kubernetes resources and is storage device agnostic, while its primary focus is to build disk images for Kubevirt, it's also useful outside of a Kubevirt context to use for initializing your Kubernetes Volumes with data.

Introduction

Kubernetes extension to populate PVCs with VM images

CDI provides the ability to populate PVCs with VM images upon creation. Multiple image formats and sources are supported:

Current supported Image formats
  • .tar
  • .gz
  • .xz
  • .img
  • .iso
  • .qcow2
Current supported image endpoints
  • http
  • S3
  • local directory

DataVolumes

CDI also includes a CRD, that provides an object of type DataVolume. The DataVolume is an abstraction on top of the standard Kubernetes PVC and can be used to automate creation and population of a PVC for consumption in a Kubevirt VM.

Deploy it

Deploying the CDI controller is straightforward. In this document the default namespace is used, but in a production setup a protected namespace that is inaccessible to regular users should be used instead.

$ export VERSION=$(curl -s https://github.com/kubevirt/containerized-data-importer/releases/latest | grep -o "v[0-9]\.[0-9]*\.[0-9]*")
$ kubectl create -f https://github.com/kubevirt/containerized-data-importer/releases/download/$VERSION/cdi-operator.yaml
$ kubectl create -f https://github.com/kubevirt/containerized-data-importer/releases/download/$VERSION/cdi-operator-cr.yaml

Use it

Create a DataVolume and populate it with data from an http source

$ kubectl create -f https://raw.githubusercontent.com/kubevirt/containerized-data-importer/$VERSION/manifests/example/import-kubevirt-datavolume.yaml

There are quite a few examples in the example manifests, check them out as a reference to create DataVolumes from additional sources like registries, S3 and your local system.

Hack it

CDI includes a self contained development and test environment. We use Docker to build, and we provide a simple way to get a test cluster up and running on your laptop.

$ mkdir $GOPATH/src/kubevirt.io && cd $GOPATH/src/kubevirt.io
$ git clone https://github.com/kubevirt/containerized-data-importer && cd containerized-data-importer
$ make cluster-up
$ make cluster-sync
$ ./cluster/kubect.sh .....

Connect with us

We'd love to hear from you, reach out on Github via Issues or Pull Requests!

Hit us up on Slack, under the Kubernetes Virtualization channel

Shoot us an email at: kubevirt-dev@googlegroups.com

More details

  1. Hacking details
  2. Design docs
  3. Kubevirt documentation

Documentation

Overview

* This file is part of the KubeVirt project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Copyright 2019 Red Hat, Inc. *

Directories

Path Synopsis
cmd
pkg
apis/core/v1alpha1
Package v1alpha1 is the v1alpha1 version of the API.
Package v1alpha1 is the v1alpha1 version of the API.
apis/upload/v1alpha1
Package v1alpha1 is the v1alpha1 version of the API.
Package v1alpha1 is the v1alpha1 version of the API.
client/clientset/versioned
This package has the automatically generated clientset.
This package has the automatically generated clientset.
client/clientset/versioned/fake
This package has the automatically generated fake clientset.
This package has the automatically generated fake clientset.
client/clientset/versioned/scheme
This package contains the scheme of the automatically generated clientset.
This package contains the scheme of the automatically generated clientset.
client/clientset/versioned/typed/core/v1alpha1
This package has the automatically generated typed clients.
This package has the automatically generated typed clients.
client/clientset/versioned/typed/core/v1alpha1/fake
Package fake has the automatically generated clients.
Package fake has the automatically generated clients.
client/clientset/versioned/typed/upload/v1alpha1
This package has the automatically generated typed clients.
This package has the automatically generated typed clients.
client/clientset/versioned/typed/upload/v1alpha1/fake
Package fake has the automatically generated clients.
Package fake has the automatically generated clients.
version/verflag
Package verflag defines utility functions to handle command line flags related to version of CDI.
Package verflag defines utility functions to handle command line flags related to version of CDI.
tools

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