165 lines
7.6 KiB
XML
165 lines
7.6 KiB
XML
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<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
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[<!ENTITY % poky SYSTEM "../poky.ent"> %poky; ] >
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<chapter id='toaster-manual-intro'>
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<title>Introduction</title>
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<para>
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Toaster is a web interface to the Yocto Project's
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<ulink url='&YOCTO_DOCS_REF_URL;#build-system-term'>OpenEmbedded build system</ulink>.
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The interface enables you to configure and run your builds.
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Information about builds is collected and stored in a database.
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You can use Toaster to configure and start builds on multiple
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remote build servers.
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</para>
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<section id='intro-features'>
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<title>Toaster Features</title>
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<para>
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Toaster allows you to configure and run builds, and it
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provides extensive information about the build process.
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<itemizedlist>
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<listitem><para id='toaster-build-features'>
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<emphasis>Configure and Run Builds:</emphasis>
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You can use the Toaster web interface to configure and
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start your builds.
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Builds started using the Toaster web interface are
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organized into projects.
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When you create a project, you are asked to select a
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release, or version of the build system you want to
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use for the project builds.
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As shipped, Toaster supports Yocto Project releases 1.8
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and beyond.
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With the Toaster web interface, you can:
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<itemizedlist>
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<listitem><para>
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Browse layers listed in the various
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<link linkend='layer-source'>layer sources</link>
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that are available in your project (e.g. the
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OpenEmbedded Metadata Index at
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<ulink url='http://layers.openembedded.org/layerindex/'></ulink>).
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</para></listitem>
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<listitem><para>
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Browse images, recipes, and machines provided by
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those layers.
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</para></listitem>
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<listitem><para>
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Import your own layers for building.
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</para></listitem>
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<listitem><para>
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Add and remove layers from your configuration.
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</para></listitem>
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<listitem><para>
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Set configuration variables.
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</para></listitem>
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<listitem><para>
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Select a target or multiple targets to build.
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</para></listitem>
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<listitem><para>
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Start your builds.
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</para></listitem>
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</itemizedlist>
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Toaster also allows you to configure and run your builds
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from the command line, and switch between the command line and
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the web interface at any time.
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Builds started from the command line appear within a special
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Toaster project called "Command line builds".
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</para></listitem>
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<listitem><para id='toaster-analysis-features'>
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<emphasis>Information About the Build Process:</emphasis>
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Toaster also records extensive information about your builds.
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Toaster collects data for builds you start from the web
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interface and from the command line as long as Toaster
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is running.
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<note>
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You must start Toaster before the build or it will not
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collect build data.
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</note></para>
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<para>With Toaster you can:
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<itemizedlist>
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<listitem><para>
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See what was built (recipes and packages) and what
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packages were installed into your final image.
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</para></listitem>
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<listitem><para>
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Browse the directory structure of your image.
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</para></listitem>
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<listitem><para>
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See the value of all variables in your build
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configuration, and which files set each value.
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</para></listitem>
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<listitem><para>
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Examine error, warning, and trace messages to aid
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in debugging.
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</para></listitem>
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<listitem><para>
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See information about the BitBake tasks executed
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and reused during your build, including those that
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used shared state.
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</para></listitem>
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<listitem><para>
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See dependency relationships between recipes,
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packages, and tasks.
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</para></listitem>
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<listitem><para>
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See performance information such as build time,
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task time, CPU usage, and disk I/O.
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</para></listitem>
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</itemizedlist>
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</para></listitem>
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</itemizedlist>
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</para>
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<para>
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For an overview of Toaster shipped with the Yocto Project &DISTRO;
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Release, see the
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"<ulink url='https://youtu.be/BlXdOYLgPxA'>Toaster - Yocto Project 2.2</ulink>"
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video.
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</para>
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</section>
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<section id='toaster-installation-options'>
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<title>Installation Options</title>
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<para>
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You can set Toaster up to run as a local instance or as a shared
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hosted service.
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</para>
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<para>
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When Toaster is set up as a local instance, all the components
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reside on a single build host.
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Fundamentally, a local instance of Toaster is suited for a single
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user developing on a single build host.
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</para>
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<para>
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<imagedata fileref="figures/simple-configuration.png" align="center" width="6in" depth="1.5in" />
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</para>
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<para>
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Toaster as a hosted service is suited for multiple users
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developing across several build hosts.
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When Toaster is set up as a hosted service, its components can
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be spread across several machines:
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</para>
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<para>
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<imagedata fileref="figures/hosted-service.png" align="center" width="6in" depth="3.5in" />
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</para>
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</section>
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<!--THIS EXTRA INFORMATION PROBABLY WILL GO AWAY
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For additional information on installing and running Toaster, see the
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"<ulink url='https://wiki.yoctoproject.org/wiki/Toaster#Installation_and_Running'>Installation and Running</ulink>"
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section of the "Toaster" wiki page.
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For complete information on the API and its search operation
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URI, parameters, and responses, see the
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<ulink url='https://wiki.yoctoproject.org/wiki/REST_API_Contracts'>REST API Contracts</ulink>
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Wiki page.
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</para>
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-->
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</chapter>
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