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<meta name="description" content=" Singularity Import Singularity import is essentially taking a dump of files and folders and adding them to your image. This works for local compressed things (e.g., tar.gz) but also for docker image layers that you don’t have on your system. As of version 2.3, import of docker layers includes the environment and metadata without needing sudo.UsageUSAGE: singularity [...] import <container path> [import from URI]Import takes a URI and will populate a container with the contents ofthe URI. If no URI is given, import will expect an incoming tar pipe.The size of the container you need to create to import a complete systemmay be significantly larger than the size of the tar file/stream due tooverheads of the container filesystem.SUPPORTED URIs: http/https: Pull an image using curl over HTTPD docker: Pull an image from the Docker repository shub: Pull an image from Singularity Hub file: Use a local file (same as just passing local path)SUPPORTED FILE TYPES: .tar, .tar.gz, .tgz, .tar.bz2EXAMPLES: Once you have created the base image template: $ singularity create /tmp/Debian.img You can then import: $ gunzip -c debian.tar.gz | singularity import /tmp/Debian $ singularity import /tmp/Debian.img debian.tar.gz $ singularity import /tmp/Debian.img file://debian.tar.gz $ singularity import /tmp/Debian.img http://foo.com/debian.tar.gz $ singularity import /tmp/Debian.img docker://ubuntu:latest Previous Next Edit me Site last generated: Jul 26, 2017 ">
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<h1 class="post-title-main">Singularity Import</h1>
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<p>Singularity import is essentially taking a dump of files and folders and adding them to your image. This works for local compressed things (e.g., tar.gz) but also for docker image layers that you don’t have on your system. As of version 2.3, import of docker layers includes the environment and metadata without needing sudo.</p>
<h2 id="usage">Usage</h2>
<div class="language-bash highlighter-rouge"><pre class="highlight"><code>USAGE: singularity <span class="o">[</span>...] import <container path> <span class="o">[</span>import from URI]
Import takes a URI and will populate a container with the contents of
the URI. If no URI is given, import will expect an incoming tar pipe.
The size of the container you need to create to import a <span class="nb">complete </span>system
may be significantly larger than the size of the tar file/stream due to
overheads of the container filesystem.
SUPPORTED URIs:
http/https: Pull an image using curl over HTTPD
docker: Pull an image from the Docker repository
shub: Pull an image from Singularity Hub
file: Use a <span class="nb">local </span>file <span class="o">(</span>same as just passing <span class="nb">local </span>path<span class="o">)</span>
SUPPORTED FILE TYPES:
.tar, .tar.gz, .tgz, .tar.bz2
EXAMPLES:
Once you have created the base image template:
<span class="nv">$ </span>singularity create /tmp/Debian.img
You can <span class="k">then </span>import:
<span class="nv">$ </span>gunzip -c debian.tar.gz | singularity import /tmp/Debian
<span class="nv">$ </span>singularity import /tmp/Debian.img debian.tar.gz
<span class="nv">$ </span>singularity import /tmp/Debian.img file://debian.tar.gz
<span class="nv">$ </span>singularity import /tmp/Debian.img http://foo.com/debian.tar.gz
<span class="nv">$ </span>singularity import /tmp/Debian.img docker://ubuntu:latest
</code></pre>
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