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| <h2 class="post-title"><a href="/blog/2016/01/26/libcloud-1-0-0-pre1-released.html">Libcloud 1.0.0-pre1 released</a></h2> |
| |
| <span class="post-date-author">By Anthony Shaw on Jan 26, 2016</span> |
| |
| <div class="post-content"> |
| <p>We are pleased to announce the release of Libcloud 1.0.0-pre1.</p> |
| |
| <p>This is a first pre-release in the 1.0.0 series which means it brings many new |
| features, improvements, bug-fixes, and DNS drivers.</p> |
| |
| <h3 id="release-highlights">Release highlights</h3> |
| |
| <p>A full blog post on the new features in 1.0.0 can be found <a href="http://libcloud.apache.org/blog/2016/01/20/libcloud-1.0-pre1.html">here</a></p> |
| |
| <p>This includes:</p> |
| |
| <ul> |
| <li>Introduction of Container-as-a-Service API drivers for <a href="http://libcloud.readthedocs.org/en/latest/container/drivers/kubernetes.html">Kubernetes</a>, <a href="http://libcloud.readthedocs.org/en/latest/container/drivers/docker.html">Docker</a>, <a href="http://libcloud.readthedocs.org/en/latest/container/drivers/ecs.html">Amazon ECS</a> and <a href="http://libcloud.readthedocs.org/en/latest/container/drivers/joyent.html">Joyent Triton</a></li> |
| <li>Introduction of Backup-as-a-Service API</li> |
| <li>Addition of South Korea region for Amazon EC2</li> |
| </ul> |
| |
| <p>Full change log can be found at <a href="https://libcloud.readthedocs.org/en/latest/changelog.html">here</a>.</p> |
| |
| <h3 id="download">Download</h3> |
| |
| <p>The release can can be downloaded from |
| <a href="https://libcloud.apache.org/downloads.html">https://libcloud.apache.org/downloads.html</a> or installed using pip:</p> |
| |
| <pre> |
| pip install apache-libcloud==1.0.0-pre1 |
| </pre> |
| |
| <h3 id="upgrading">Upgrading</h3> |
| |
| <p>If you have installed Libcloud using pip you can also use it to upgrade it:</p> |
| |
| <pre> |
| pip install --upgrade apache-libcloud==1.0.0-pre1 |
| </pre> |
| |
| <h3 id="upgrade-notes">Upgrade notes</h3> |
| |
| <p>A page which describes backward incompatible or semi-incompatible |
| changes and how to preserve the old behavior when this is possible |
| can be found at <a href="https://libcloud.readthedocs.org/en/latest/upgrade_notes.html">https://libcloud.readthedocs.org/en/latest/upgrade_notes.html</a></p> |
| |
| <h3 id="documentation">Documentation</h3> |
| |
| <p>Regular and API documentation is available at <a href="https://libcloud.readthedocs.org/en/latest/">https://libcloud.readthedocs.org/en/latest/</a></p> |
| |
| <h3 id="bugs--issues">Bugs / Issues</h3> |
| |
| <p>If you find any bug or issue, please report it on our issue tracker |
| <a href="https://issues.apache.org/jira/browse/LIBCLOUD">https://issues.apache.org/jira/browse/LIBCLOUD</a>. |
| Don’t forget to attach an example and / or test which reproduces your |
| problem.</p> |
| |
| <h3 id="thanks">Thanks</h3> |
| |
| <p>Thanks to everyone who contributed and made this release possible! Full |
| list of people who contributed to this release can be found in the |
| <a href="https://libcloud.readthedocs.org/en/latest/changelog.html">CHANGES file</a>.</p> |
| |
| |
| </div> |
| |
| <div class="row section post-meta"> |
| <div class="col-md-12 post-tags"> |
| <p>Tags: <a href="/blog/tags/news.html" rel="tag">news</a>, <a href="/blog/tags/release-announcement.html" rel="tag">release announcement</a></p> |
| </div> |
| </div> |
| </div> |
| |
| |
| <div class="post"> |
| |
| <h2 class="post-title"><a href="/blog/2016/01/20/libcloud-1.0-pre1.html">Libcloud 1.0-pre1 open for feedback</a></h2> |
| |
| <span class="post-date-author">By Anthony Shaw on Jan 20, 2016</span> |
| |
| <div class="post-content"> |
| <p>We are pleased to announce that version 1.0-pre1 vote thread is open and the release is ready for community feedback.</p> |
| |
| <p>1.0-pre1 marks the first pre-release of the 1.0 major release. Some years ago, Tomaz Muraus spoke on the podcast <a href="https://twit.tv/shows/floss-weekly/episodes/181">FLOSS weekly</a>. |
| Tomaz spoke about how much of a huge challenge porting the project to Python 3.x would be(!) as well as the 1.0 milestone.</p> |
| |
| <p>It is worth listening to the podcast to see how far things have come, we now average 2 pull-requests a day and have 156 contributors.</p> |
| |
| <p>As the project has matured over the last 5 years one of the most remarkable changes has been the adoption from the community and |
| continued support from our contributors adding new drivers, patching strange API issues and keeping the project alive.</p> |
| |
| <p>Anthony Shaw will be speaking on the FLOSS weekly podcast on February 2nd and discussing our community and the project, so |
| please tune in.</p> |
| |
| <p>The Cloud market as I’m sure you’re all aware of is thriving, the purpose of Libcloud was originally:</p> |
| |
| <ul> |
| <li>To help prevent lock-in to a particular vendor</li> |
| <li>To abstract the complexity of vendor APIs</li> |
| <li>To give a simple way for deploying to and managing multiple cloud vendors</li> |
| </ul> |
| |
| <p>Since that we have had (at the last count) 2,118,539 downloads. The project continues to grow in popularity with each new release.</p> |
| |
| <p>So with the 1.0 major release we would like to announce 2 new driver types, containers and backup.</p> |
| |
| <h2 id="history-of-our-drivers">History of our drivers</h2> |
| |
| <p>The compute (IaaS) API is what libcloud is best known for but there is a range of drivers available for many other capabilities.</p> |
| |
| <p>There is a presentation on the value of using Libcloud to avoid lock in <a href="http://www.slideshare.net/AnthonyShaw5/apache-libcloud-keeping-up-with-the-cloud-market-in-2016">on SlideShare</a></p> |
| |
| <p>This is a history of the different driver types in the libcloud project.</p> |
| |
| <ul> |
| <li>Compute (v0.1.0)</li> |
| <li>Support for nodes, node images, locations, states</li> |
| <li>52 providers including every major cloud provider in the market. Plus local services like Vmware, OpenStack, libvirt</li> |
| <li>DNS (v0.6.0)</li> |
| <li>Support for zones, records, recordtypes</li> |
| <li>19 providers including CloudFlare, DigitalOcean, DNSimple, GoDaddy, Google DNS, Linode, Rackspace, Amazon R53, Zerigo</li> |
| <li>Object Storage (v0.5.0)</li> |
| <li>Support for containers and objects</li> |
| <li>11 providers including Amazon S3, Azure Blobs, Google storage, CloudFiles, OpenStack Swift</li> |
| <li>Load Balancer (v0.5.0)</li> |
| <li>Support for nodes, balancers, listeners and algorithms</li> |
| <li>11 providers including CloudStack, Dimension Data, Amazon ELB, Google GCE LB, SoftLayer LB</li> |
| <li>Backup (v0.20.0)</li> |
| <li>Support for backup targets, recovery points and jobs</li> |
| <li>3 providers, Dimension Data, Amazon EBS snaps, Google snaps</li> |
| </ul> |
| |
| <h2 id="introducing-backup-drivers">Introducing Backup Drivers</h2> |
| |
| <p>With 1.0-pre1 we have introduced a new driver type for backup, <code class="language-plaintext highlighter-rouge">libcloud.backup</code></p> |
| |
| <p>Backup API allows you to manage Backup as A Service and services such as EBS Snaps, |
| GCE volume snap and dimension data backup.</p> |
| |
| <h3 id="terminology">Terminology</h3> |
| |
| <ul> |
| <li><code class="language-plaintext highlighter-rouge">libcloud.backup.base.BackupTarget</code> - Represents a backup target, like a Virtual Machine, a folder or a database.</li> |
| <li><code class="language-plaintext highlighter-rouge">libcloud.backup.base.BackupTargetRecoveryPoint</code> - Represents a copy of the data in the target, a recovery point can be |
| recovered to a backup target. An inplace restore is where you recover to the same target and an out-of-place restore is where you |
| recover to another target.</li> |
| <li><code class="language-plaintext highlighter-rouge">libcloud.backup.base.BackupTargetJob</code> - Represents a backup job running on backup target.</li> |
| </ul> |
| |
| <h2 id="introducing-container-as-a-service-drivers">Introducing Container-as-a-Service Drivers</h2> |
| |
| <p>The API is for Container-as-a-Service providers, these new types of cloud services offer container management and hosting as a service. |
| The new services are already providing proprietary APIs, giving the need for a tool like Libcloud if you want to provision to any cloud provider.</p> |
| |
| <p>Google, Amazon and Joyent have all announced Container cloud services and Microsoft have launched a beta service also, so we are getting on the front foot with an |
| abstraction API for people wishing to gain similar benefits to the compute, load balancer and storage APIs.</p> |
| |
| <p><a href="http://www.slideshare.net/AnthonyShaw5/introducing-container-asaservice-support-to-apache-libcloud">A presentation on this topic is available on SlideShare.</a></p> |
| |
| <p><strong>Isn’t docker a standard?</strong> |
| Well, yes and no.</p> |
| |
| <p>Docker has been the main technology adopted by these providers as the host system for the containers and also as the specification of the containers themselves. |
| But, Docker is not a provisioning system, it is a virtualization host. Also there are alternatives, like CoreOS Rkt.</p> |
| |
| <h3 id="container-api-design">Container API design</h3> |
| |
| <p>Container-as-a-Service providers will implement the <code class="language-plaintext highlighter-rouge">ContainerDriver</code> class to provide functionality for :</p> |
| |
| <ul> |
| <li>Listing deployed containers</li> |
| <li>Starting, stopping and restarting containers (where supported)</li> |
| <li>Destroying containers</li> |
| <li>Creating/deploying containers</li> |
| <li>Listing container images</li> |
| <li>Installing container images (pulling an image from a local copy or remote repository)</li> |
| </ul> |
| |
| <h3 id="simple-container-support">Simple Container Support</h3> |
| |
| <ul> |
| <li><code class="language-plaintext highlighter-rouge">libcloud.container.base.ContainerImage</code> - Represents an image that can be deployed, like an application or an operating system</li> |
| <li><code class="language-plaintext highlighter-rouge">libcloud.container.base.Container</code> - Represents a deployed container image running on a container host</li> |
| </ul> |
| |
| <h3 id="cluster-suppport">Cluster Suppport</h3> |
| |
| <p>Cluster support extends on the basic driver functions, but where drivers implement the class-level attribute <code class="language-plaintext highlighter-rouge">supports_clusters</code> as True |
| clusters may be listed, created and destroyed. When containers are deployed, the target cluster can be specified.</p> |
| |
| <ul> |
| <li><code class="language-plaintext highlighter-rouge">libcloud.container.base.ContainerCluster</code> - Represents a deployed container image running on a container host</li> |
| <li><code class="language-plaintext highlighter-rouge">libcloud.container.base.ClusterLocation</code> - Represents a location for clusters to be deployed</li> |
| </ul> |
| |
| <h3 id="using-the-container-drivers">Using the container drivers</h3> |
| |
| <p>The container drivers have been designed around similar principles to the compute driver. It is simple to use and a flat class design.</p> |
| |
| <div class="language-python highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="kn">from</span> <span class="nn">libcloud.container.providers</span> <span class="kn">import</span> <span class="n">get_driver</span> |
| <span class="kn">from</span> <span class="nn">libcloud.container.types</span> <span class="kn">import</span> <span class="n">Provider</span> |
| |
| <span class="n">Cls</span> <span class="o">=</span> <span class="n">get_driver</span><span class="p">(</span><span class="n">Provider</span><span class="p">.</span><span class="n">DOCKER</span><span class="p">)</span> |
| <span class="n">driver</span> <span class="o">=</span> <span class="n">Cls</span><span class="p">(</span><span class="s">'user'</span><span class="p">,</span> <span class="s">'api key'</span><span class="p">)</span> |
| |
| <span class="n">image</span> <span class="o">=</span> <span class="n">driver</span><span class="p">.</span><span class="n">install_image</span><span class="p">(</span><span class="s">'tomcat:8.0'</span><span class="p">)</span> |
| <span class="n">container</span> <span class="o">=</span> <span class="n">driver</span><span class="p">.</span><span class="n">deploy_container</span><span class="p">(</span><span class="s">'tomcat'</span><span class="p">,</span> <span class="n">image</span><span class="p">)</span> |
| |
| <span class="n">container</span><span class="p">.</span><span class="n">restart</span><span class="p">()</span> |
| </code></pre></div></div> |
| |
| <h3 id="container-registries">Container Registries</h3> |
| |
| <p>The Docker Registry API is used by services like Amazon ECR, the Docker Hub website and by anyone hosting their own Docker registry. |
| It doesn’t belong to a particular driver, so is a utility class. |
| Some providers, like Amazon ECR have a factory method to provide a registry client |
| Images from docker registry can be sent to the deploy_container method for any driver.</p> |
| |
| <div class="language-python highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="kn">from</span> <span class="nn">libcloud.container.utils.docker</span> <span class="kn">import</span> <span class="n">HubClient</span> |
| <span class="n">hub</span> <span class="o">=</span> <span class="n">HubClient</span><span class="p">()</span> |
| <span class="n">image</span> <span class="o">=</span> <span class="n">hub</span><span class="p">.</span><span class="n">get_image</span><span class="p">(</span><span class="s">'ubuntu'</span><span class="p">,</span> <span class="s">'latest'</span><span class="p">)</span> |
| </code></pre></div></div> |
| |
| <p>When other container registry services are made available these can be provided in a similar context.</p> |
| |
| <h3 id="prototype-drivers-in-libcloudcontainer">Prototype drivers in libcloud.container</h3> |
| |
| <p>Drivers have been provided to show example implementations of the API, these drivers are <strong>experimental</strong> and need to go through more thorough community testing |
| before they are ready for a stable release.</p> |
| |
| <ul> |
| <li><a href="http://libcloud.readthedocs.org/en/latest/container/drivers/docker.html">Docker</a></li> |
| <li><a href="http://libcloud.readthedocs.org/en/latest/container/drivers/joyent.html">Joyent Triton</a></li> |
| <li><a href="http://libcloud.readthedocs.org/en/latest/container/drivers/kubernetes.html">Google Kubernetes</a></li> |
| <li><a href="http://libcloud.readthedocs.org/en/latest/container/drivers/ecs.html">Amazon Elastic Container Service (as well as Amazon Container Registry Service)</a></li> |
| </ul> |
| |
| <p>The driver with the most contentious implementation is Kubernetes. We would like users of the Amazon ECS, Google Containers and Kubernetes project to provide feedback |
| on how they would like to map clusters, pods, namespaces to the low level concepts in the driver.</p> |
| |
| <h1 id="providing-feedback">Providing feedback</h1> |
| |
| <p>The <a href="http://mail-archives.apache.org/mod_mbox/libcloud-dev/201601.mbox/%3CCAOZ4b6sJM8ofMinGJCpfJEq7BYcAbfJBVCE7cfPniESqkEpkPQ%40mail.gmail.com%3E">voting thread</a> is open, please use this as your opportunity to give feedback.</p> |
| |
| <h1 id="thanks">Thanks</h1> |
| |
| <p>Thanks to everyone who contributed and made this release possible! Full |
| list of people who contributed to this release can be found in the |
| <a href="https://libcloud.readthedocs.org/en/latest/changelog.html">CHANGES file</a>.</p> |
| |
| |
| </div> |
| |
| <div class="row section post-meta"> |
| <div class="col-md-12 post-tags"> |
| <p>Tags: <a href="/blog/tags/news.html" rel="tag">news</a>, <a href="/blog/tags/announcement.html" rel="tag">announcement</a></p> |
| </div> |
| </div> |
| </div> |
| |
| |
| <div class="post"> |
| |
| <h2 class="post-title"><a href="/blog/2016/01/19/libcloud-0-20-1-released.html">Libcloud 0.20.1 released</a></h2> |
| |
| <span class="post-date-author">By Eric Johnson on Jan 19, 2016</span> |
| |
| <div class="post-content"> |
| <p>We are pleased to announce the release of Libcloud 0.20.1.</p> |
| |
| <p>This is a bug-fix release in the 0.20 series.</p> |
| |
| <h3 id="release-highlights">Release highlights</h3> |
| |
| <ul> |
| <li>Allow for old and new style service accounts for GCE driver</li> |
| <li>Fix syntax error with DimensionDataStatus object</li> |
| <li>Fix bug in public IP addition command for DimensionData driver</li> |
| <li>Fix error with proxy_url with vCloud Compute driver.</li> |
| <li>Fix with hasattr for Rackspace DNS driver.</li> |
| </ul> |
| |
| <p>Full change log can be found at <a href="https://libcloud.readthedocs.org/en/latest/changelog.html">here</a>.</p> |
| |
| <h3 id="download">Download</h3> |
| |
| <p>The release can can be downloaded from |
| <a href="https://libcloud.apache.org/downloads.html">https://libcloud.apache.org/downloads.html</a> or installed using pip:</p> |
| |
| <pre> |
| pip install apache-libcloud==0.20.1 |
| </pre> |
| |
| <h3 id="upgrading">Upgrading</h3> |
| |
| <p>If you have installed Libcloud using pip you can also use it to upgrade it:</p> |
| |
| <pre> |
| pip install --upgrade apache-libcloud==0.20.1 |
| </pre> |
| |
| <h3 id="upgrade-notes">Upgrade notes</h3> |
| |
| <p>A page which describes backward incompatible or semi-incompatible |
| changes and how to preserve the old behavior when this is possible |
| can be found at <a href="https://libcloud.readthedocs.org/en/latest/upgrade_notes.html">https://libcloud.readthedocs.org/en/latest/upgrade_notes.html</a></p> |
| |
| <h3 id="documentation">Documentation</h3> |
| |
| <p>Regular and API documentation is available at <a href="https://libcloud.readthedocs.org/en/latest/">https://libcloud.readthedocs.org/en/latest/</a></p> |
| |
| <h3 id="bugs--issues">Bugs / Issues</h3> |
| |
| <p>If you find any bug or issue, please report it on our issue tracker |
| <a href="https://issues.apache.org/jira/browse/LIBCLOUD">https://issues.apache.org/jira/browse/LIBCLOUD</a>. |
| Don’t forget to attach an example and / or test which reproduces your |
| problem.</p> |
| |
| <h3 id="thanks">Thanks</h3> |
| |
| <p>Thanks to everyone who contributed and made this release possible! Full |
| list of people who contributed to this release can be found in the |
| <a href="https://libcloud.readthedocs.org/en/latest/changelog.html">CHANGES file</a>.</p> |
| |
| |
| </div> |
| |
| <div class="row section post-meta"> |
| <div class="col-md-12 post-tags"> |
| <p>Tags: <a href="/blog/tags/news.html" rel="tag">news</a>, <a href="/blog/tags/release-announcement.html" rel="tag">release announcement</a></p> |
| </div> |
| </div> |
| </div> |
| |
| |
| <div class="post"> |
| |
| <h2 class="post-title"><a href="/blog/2016/01/14/notice-for-linode-users.html">Notice for Linode users</a></h2> |
| |
| <span class="post-date-author">By Tomaz Muraus on Jan 14, 2016</span> |
| |
| <div class="post-content"> |
| <p>This is an announcement for users of the Linode driver for Libcloud who might |
| have started experiencing issues recently.</p> |
| |
| <h2 id="background">Background</h2> |
| |
| <p>A couple of Libcloud users have reported that they have recently started |
| experiencing issues when talking to the Linode API using Libcloud. They have |
| received messages similar to the one shown below.</p> |
| |
| <pre> |
| socket.error: [Errno 104] Connection reset by peer |
| </pre> |
| |
| <p>It turns out that the issue is related to the used SSL / TLS version. For |
| compatibility and security reasons (Libcloud also supports older Python |
| versions), Libcloud uses TLS v1.0 by default.</p> |
| |
| <p>Linode recently dropped support for TLS v1.0 and it now only support TLS >= |
| v1.1. This means Libcloud won’t work out of the box anymore.</p> |
| |
| <h2 id="solution">Solution</h2> |
| |
| <p>If you are experiencing this issue, you should update your code to use TLS v1.2 |
| or TLS v1.1 as shown below.</p> |
| |
| <div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>import ssl |
| |
| import libcloud.security |
| libcloud.security.SSL_VERSION = ssl.PROTOCOL_TLSv1_1 |
| # or even better if your system and Python version supports TLS v1.2 |
| libcloud.security.SSL_VERSION = ssl.PROTOCOL_TLSv1_2 |
| |
| # Instantiate and work with the Linode driver here... |
| </code></pre></div></div> |
| |
| <p>Keep in mind that for this to work you need to have a recent version of OpenSSL |
| installed on your system and you need to use Python >= 3.4 or Python 2.7.9.</p> |
| |
| <p>For more details please see recently updated <a href="https://libcloud.readthedocs.org/en/latest/other/ssl-certificate-validation.html#changing-used-ssl-tls-version">documentation</a>. If you are |
| still experiencing issues or have any questions, please feel free to reach |
| us via the mailing list or IRC.</p> |
| |
| <p>Note: Even if you are not experiencing any issues, it’s generally a good idea |
| to use the highest version of TLS supported by your system and the provider you |
| use.</p> |
| |
| <h2 id="quick-note-on-sslprotocol_sslv23">Quick note on ssl.PROTOCOL_SSLv23</h2> |
| |
| <p>Python uses <code class="language-plaintext highlighter-rouge">ssl.PROTOCOL_SSLv23</code> constant by default. When this constant is |
| used, it will let client known to pick the highest protocol version which both |
| the client and server support (it will be selecting between SSL v3.0, TLS v1.0, |
| TLS v1.1 and TLS v1.2).</p> |
| |
| <p>We use <code class="language-plaintext highlighter-rouge">ssl.PROTOCOL_TLSv1</code> instead of <code class="language-plaintext highlighter-rouge">ssl.PROTOCOL_SSLv23</code> for security |
| and compatibility reasons. SSL v3.0 is considered broken and unsafe and using |
| <code class="language-plaintext highlighter-rouge">ssl.PROTOCOL_SSLv23</code> can result in an increased risk for a downgrade attack.</p> |
| |
| <h3 id="thanks">Thanks</h3> |
| |
| <p>Special thanks to Jacob Riley, Steve V, Heath Naylor and everyone from |
| <a href="https://issues.apache.org/jira/browse/LIBCLOUD-791">LIBCLOUD-791</a> who helped debug and track down the root cause of this issue.</p> |
| |
| |
| </div> |
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