181 lines
11 KiB
XML
181 lines
11 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<section xml:id="glance-verify" xmlns="http://docbook.org/ns/docbook"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
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<title>Verify the Image Service installation</title>
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<para>To test the Image Service installation, download at least
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one virtual machine image that is known to work with
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OpenStack. For example, CirrOS is a small test image that is
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often used for testing OpenStack deployments (<link
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xlink:href="http://download.cirros-cloud.net/">CirrOS
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downloads</link>). This walk through uses the 64-bit
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CirrOS QCOW2 image.</para>
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<para>For more information about how to download and build images,
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see <link
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xlink:href="http://docs.openstack.org/image-guide/content/index.html"
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><citetitle>OpenStack Virtual Machine Image
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Guide</citetitle></link>. For information about how to
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manage images, see the <link
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xlink:href="http://docs.openstack.org/user-guide/content/index.html"
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><citetitle>OpenStack User
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Guide</citetitle></link>.</para>
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<procedure>
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<step>
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<para>Download the image into a dedicated directory using
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<command>wget</command> or
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<command>curl</command>:</para>
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<screen><prompt>$</prompt> <userinput>mkdir /tmp/images</userinput>
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<prompt>$</prompt> <userinput>cd /tmp/images/</userinput>
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<prompt>$</prompt> <userinput>wget http://cdn.download.cirros-cloud.net/0.3.2/cirros-0.3.2-x86_64-disk.img</userinput></screen>
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</step>
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<step>
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<para>Upload the image to the Image Service:</para>
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<para><screen><prompt>$</prompt> <userinput>glance image-create --name=<replaceable>IMAGELABEL</replaceable> --disk-format=<replaceable>FILEFORMAT</replaceable> \
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--container-format=<replaceable>CONTAINERFORMAT</replaceable> --is-public=<replaceable>ACCESSVALUE</replaceable> < <replaceable>IMAGEFILE</replaceable></userinput></screen></para>
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<para>Where:</para>
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<variablelist>
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<varlistentry>
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<term><literal><replaceable>IMAGELABEL</replaceable></literal></term>
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<listitem>
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<para>Arbitrary label. The name by which users
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refer to the image.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal><replaceable>FILEFORMAT</replaceable></literal></term>
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<listitem>
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<para>Specifies the format of the image file.
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Valid formats include
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<literal>qcow2</literal>,
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<literal>raw</literal>,
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<literal>vhd</literal>,
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<literal>vmdk</literal>,
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<literal>vdi</literal>,
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<literal>iso</literal>,
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<literal>aki</literal>,
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<literal>ari</literal>, and
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<literal>ami</literal>.</para>
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<para>You can verify the format using the
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<command>file</command> command:
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<screen><prompt>$</prompt> <userinput>file cirros-0.3.2-x86_64-disk.img</userinput>
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<computeroutput>cirros-0.3.2-x86_64-disk.img: QEMU QCOW Image (v2), 41126400 bytes</computeroutput></screen></para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal><replaceable>CONTAINERFORMAT</replaceable></literal></term>
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<listitem>
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<para>Specifies the container format. Valid
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formats include: <literal>bare</literal>,
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<literal>ovf</literal>,
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<literal>aki</literal>,
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<literal>ari</literal> and
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<literal>ami</literal>.</para>
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<para>Specify <literal>bare</literal> to
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indicate that the image file is not in a
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file format that contains metadata about
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the virtual machine. Although this field
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is currently required, it is not actually
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used by any of the OpenStack services and
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has no effect on system behavior. Because
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the value is not used anywhere, it is safe
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to always specify <literal>bare</literal>
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as the container format.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal><replaceable>ACCESSVALUE</replaceable></literal></term>
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<listitem>
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<para>Specifies image access: <itemizedlist>
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<listitem>
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<para>true - All users can view and
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use the image.</para>
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</listitem>
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<listitem>
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<para>false - Only administrators
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can view and use the image.</para>
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</listitem>
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</itemizedlist></para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal><replaceable>IMAGEFILE</replaceable></literal></term>
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<listitem>
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<para>Specifies the name of your downloaded
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image file.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<para>For example:</para>
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<screen><prompt>$</prompt> <userinput>source admin-openrc.sh</userinput>
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<prompt>$</prompt> <userinput>glance image-create --name "cirros-0.3.2-x86_64" --disk-format qcow2 \
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--container-format bare --is-public True --progress < cirros-0.3.2-x86_64-disk.img</userinput>
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<computeroutput>+------------------+--------------------------------------+
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| Property | Value |
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+------------------+--------------------------------------+
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| checksum | 64d7c1cd2b6f60c92c14662941cb7913 |
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| container_format | bare |
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| created_at | 2014-04-08T18:59:18 |
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| deleted | False |
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| deleted_at | None |
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| disk_format | qcow2 |
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| id | acafc7c0-40aa-4026-9673-b879898e1fc2 |
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| is_public | True |
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| min_disk | 0 |
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| min_ram | 0 |
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| name | cirros-0.3.2-x86_64 |
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| owner | efa984b0a914450e9a47788ad330699d |
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| protected | False |
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| size | 13167616 |
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| status | active |
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| updated_at | 2014-01-08T18:59:18 |
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+------------------+--------------------------------------+</computeroutput></screen>
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<note>
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<para>Because the returned image ID is generated
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dynamically, your deployment generates a different
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ID than the one shown in this example.</para>
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</note>
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</step>
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<step>
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<para>Confirm that the image was uploaded and display its
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attributes:</para>
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<screen><prompt>$</prompt> <userinput>glance image-list</userinput></screen>
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<screen><computeroutput>+--------------------------------------+---------------------+-------------+------------------+----------+--------+
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| ID | Name | Disk Format | Container Format | Size | Status |
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+--------------------------------------+---------------------+-------------+------------------+----------+--------+
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| acafc7c0-40aa-4026-9673-b879898e1fc2 | cirros-0.3.2-x86_64 | qcow2 | bare | 13167616 | active |
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+--------------------------------------+---------------------+-------------+------------------+----------+--------+</computeroutput></screen>
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</step>
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<step>
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<para>
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You can now remove the locally downloaded image, since it
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is stored and available through the Image Service.
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</para>
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<screen><prompt>$</prompt> <userinput>rm -r /tmp/images</userinput></screen>
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</step>
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</procedure>
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<para>Alternatively, the upload to the Image Service can be done without having to use local disk space to store the file, by use of the <parameter>--copy-from</parameter> parameter.</para>
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<para>For example:</para>
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<screen><prompt>$</prompt> <userinput>glance image-create --name="cirros-0.3.2-x86_64" --disk-format=qcow2 \
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--container-format=bare --is-public=true \
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--copy-from http://cdn.download.cirros-cloud.net/0.3.2/cirros-0.3.2-x86_64-disk.img</userinput>
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<computeroutput>+------------------+--------------------------------------+
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| Property | Value |
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+------------------+--------------------------------------+
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| checksum | 64d7c1cd2b6f60c92c14662941cb7913 |
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| container_format | bare |
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| created_at | 2014-04-08T06:13:18 |
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| deleted | False |
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| disk_format | qcow2 |
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| id | 3cce1e32-0971-4958-9719-1f92064d4f54 |
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| is_public | True |
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| min_disk | 0 |
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| min_ram | 0 |
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| name | cirros-0.3.2-x86_64 |
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| owner | efa984b0a914450e9a47788ad330699d |
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| protected | False |
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| size | 13167616 |
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| status | active |
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| updated_at | 2014-04-08T06:13:20 |
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+------------------+--------------------------------------+</computeroutput></screen>
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</section>
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