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.TH "LIVEMEDIA-CREATOR" "1" "Oct 30, 2018" "28.14.16" "Lorax"
.SH NAME
livemedia-creator \- Live Media Creator Documentation
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.INDENT 0.0
.TP
.B Authors
Brian C. Lane <\fI\%bcl@redhat.com\fP>
.UNINDENT
.sp
livemedia\-creator uses \fI\%Anaconda\fP,
\fI\%kickstart\fP and \fI\%Lorax\fP to create bootable media that use the
same install path as a normal system installation. It can be used to make live
isos, bootable (partitioned) disk images, tarfiles, and filesystem images for
use with virtualization and container solutions like libvirt, docker, and
OpenStack.
.sp
The general idea is to use qemu with kickstart and an Anaconda boot.iso to
install into a disk image and then use the disk image to create the bootable
media.
.sp
livemedia\-creator \-\-help will describe all of the options available. At the
minimum you need:
.sp
\fB\-\-make\-iso\fP to create a final bootable .iso or one of the other \fB\-\-make\-*\fP options.
.sp
\fB\-\-iso\fP to specify the Anaconda install media to use with qemu.
.sp
\fB\-\-ks\fP to select the kickstart file describing what to install.
.sp
To use livemedia\-creator with virtualization you will need to have qemu\-kvm installed.
.sp
If you are going to be using Anaconda directly, with \fB\-\-no\-virt\fP mode, make sure
you have the anaconda\-tui package installed.
.sp
Conventions used in this document:
.sp
\fBlmc\fP is an abbreviation for livemedia\-creator.
.sp
\fBbuilder\fP is the system where livemedia\-creator is being run
.sp
\fBimage\fP is the disk image being created by running livemedia\-creator
.SH LIVEMEDIA-CREATOR CMDLINE ARGUMENTS
.sp
Create Live Install Media

.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
usage: livemedia\-creator [\-h]
                         (\-\-make\-iso | \-\-make\-disk | \-\-make\-fsimage | \-\-make\-appliance | \-\-make\-ami | \-\-make\-tar | \-\-make\-pxe\-live | \-\-make\-ostree\-live | \-\-make\-oci | \-\-make\-vagrant)
                         [\-\-iso ISO] [\-\-iso\-only] [\-\-iso\-name ISO_NAME]
                         [\-\-ks KS] [\-\-image\-only] [\-\-no\-virt] [\-\-proxy PROXY]
                         [\-\-anaconda\-arg ANACONDA_ARGS]
                         [\-\-armplatform ARMPLATFORM] [\-\-location LOCATION]
                         [\-\-logfile LOGFILE]
                         [\-\-lorax\-templates LORAX_TEMPLATES] [\-\-tmp TMP]
                         [\-\-resultdir RESULT_DIR] [\-\-macboot] [\-\-nomacboot]
                         [\-\-disk\-image DISK_IMAGE] [\-\-keep\-image]
                         [\-\-fs\-image FS_IMAGE] [\-\-image\-name IMAGE_NAME]
                         [\-\-fs\-label FS_LABEL] [\-\-image\-type IMAGE_TYPE]
                         [\-\-qemu\-arg QEMU_ARGS] [\-\-qcow2]
                         [\-\-qcow2\-arg QEMU_ARGS] [\-\-compression COMPRESSION]
                         [\-\-compress\-arg COMPRESS_ARGS] [\-\-app\-name APP_NAME]
                         [\-\-app\-template APP_TEMPLATE] [\-\-app\-file APP_FILE]
                         [\-\-ram MEMORY] [\-\-vcpus VCPUS] [\-\-vnc VNC]
                         [\-\-arch ARCH] [\-\-kernel\-args KERNEL_ARGS]
                         [\-\-ovmf\-path OVMF_PATH] [\-\-virt\-uefi] [\-\-no\-kvm]
                         [\-\-with\-rng WITH_RNG] [\-\-dracut\-arg DRACUT_ARGS]
                         [\-\-live\-rootfs\-size LIVE_ROOTFS_SIZE]
                         [\-\-live\-rootfs\-keep\-size] [\-\-oci\-config OCI_CONFIG]
                         [\-\-oci\-runtime OCI_RUNTIME]
                         [\-\-vagrant\-metadata VAGRANT_METADATA]
                         [\-\-vagrantfile VAGRANTFILE] [\-\-title TITLE]
                         [\-\-project PROJECT] [\-\-releasever RELEASEVER]
                         [\-\-volid VOLID] [\-\-squashfs_args SQUASHFS_ARGS]
                         [\-\-timeout TIMEOUT] [\-V]
.ft P
.fi
.UNINDENT
.UNINDENT
.SS Named Arguments
.INDENT 0.0
.TP
.B\-\-make\-iso
Build a live iso
.sp
Default: False
.TP
.B\-\-make\-disk
Build a partitioned disk image
.sp
Default: False
.TP
.B\-\-make\-fsimage
Build a filesystem image
.sp
Default: False
.TP
.B\-\-make\-appliance
Build an appliance image and XML description
.sp
Default: False
.TP
.B\-\-make\-ami
Build an ami image
.sp
Default: False
.TP
.B\-\-make\-tar
Build a tar of the root filesystem
.sp
Default: False
.TP
.B\-\-make\-pxe\-live
Build a live pxe boot squashfs image
.sp
Default: False
.TP
.B\-\-make\-ostree\-live
Build a live pxe boot squashfs image of Atomic Host
.sp
Default: False
.TP
.B\-\-make\-oci
Build an Open Container Initiative image
.sp
Default: False
.TP
.B\-\-make\-vagrant
Build a Vagrant Box image
.sp
Default: False
.TP
.B\-\-iso
Anaconda installation .iso path to use for qemu
.TP
.B\-\-iso\-only
Remove all iso creation artifacts except the boot.iso, combine with \-\-iso\-name to rename the boot.iso
.sp
Default: False
.TP
.B\-\-iso\-name
Name of output iso file for \-\-iso\-only. Default is boot.iso
.TP
.B\-\-ks
Kickstart file defining the install.
.TP
.B\-\-image\-only
Exit after creating fs/disk image.
.sp
Default: False
.TP
.B\-\-no\-virt
Run anaconda directly on host instead of using qemu
.sp
Default: False
.TP
.B\-\-proxy
proxy URL to use for the install
.TP
.B\-\-anaconda\-arg
Additional argument to pass to anaconda (no\-virt mode). Pass once for each argument
.TP
.B\-\-armplatform
the platform to use when creating images for ARM, i.e., highbank, mvebu, omap, tegra, etc.
.TP
.B\-\-location
location of iso directory tree with initrd.img and vmlinuz. Used to run qemu with a newer initrd than the iso.
.TP
.B\-\-logfile
Name and path for primary logfile, other logs will be created in the same directory.
.sp
Default: ./livemedia.log
.TP
.B\-\-lorax\-templates
Path to mako templates for lorax
.TP
.B\-\-tmp
Top level temporary directory
.sp
Default: /var/tmp
.TP
.B\-\-resultdir
Directory to copy the resulting images and iso into. Defaults to the temporary working directory
.TP
.B\-\-macboot
Default: True
.TP
.B\-\-nomacboot
Default: True
.TP
.B\-\-title
Substituted for @TITLE@ in bootloader config files
.sp
Default: "Linux Live Media"
.TP
.B\-\-project
substituted for @PROJECT@ in bootloader config files
.sp
Default: "Linux"
.TP
.B\-\-releasever
substituted for @VERSION@ in bootloader config files
.sp
Default: "28"
.TP
.B\-\-volid
volume id
.TP
.B\-\-squashfs_args
additional squashfs args
.TP
.B\-\-timeout
Cancel installer after X minutes
.TP
.B\-V
show program\(aqs version number and exit
.UNINDENT
.SS disk/fs image arguments
.INDENT 0.0
.TP
.B\-\-disk\-image
Path to existing disk image to use for creating final image.
.TP
.B\-\-keep\-image
Keep raw disk image after .iso creation
.sp
Default: False
.TP
.B\-\-fs\-image
Path to existing filesystem image to use for creating final image.
.TP
.B\-\-image\-name
Name of output file to create. Used for tar, fs and disk image. Default is a random name.
.TP
.B\-\-fs\-label
Label to set on fsimage, default is \(aqAnaconda\(aq
.sp
Default: "Anaconda"
.TP
.B\-\-image\-type
Create an image with qemu\-img. See qemu\-img \-\-help for supported formats.
.TP
.B\-\-qemu\-arg
Arguments to pass to qemu\-img. Pass once for each argument, they will be used for ALL calls to qemu\-img.
.sp
Default: []
.TP
.B\-\-qcow2
Create qcow2 image instead of raw sparse image when making disk images.
.sp
Default: False
.TP
.B\-\-qcow2\-arg
Arguments to pass to qemu\-img. Pass once for each argument, they will be used for ALL calls to qemu\-img.
.sp
Default: []
.TP
.B\-\-compression
Compression binary for make\-tar. xz, lzma, gzip, and bzip2 are supported. xz is the default.
.sp
Default: "xz"
.TP
.B\-\-compress\-arg
Arguments to pass to compression. Pass once for each argument
.sp
Default: []
.UNINDENT
.SS appliance arguments
.INDENT 0.0
.TP
.B\-\-app\-name
Name of appliance to pass to template
.TP
.B\-\-app\-template
Path to template to use for appliance data.
.TP
.B\-\-app\-file
Appliance template results file.
.sp
Default: "appliance.xml"
.UNINDENT
.SS qemu arguments
.INDENT 0.0
.TP
.B\-\-ram
Memory to allocate for installer in megabytes.
.sp
Default: 1024
.TP
.B\-\-vcpus
Passed to qemu \-smp command
.TP
.B\-\-vnc
Passed to qemu \-display command. eg. vnc=127.0.0.1:5, default is to choose the first unused vnc port.
.TP
.B\-\-arch
System arch to build for. Used to select qemu\-system\-* command. Defaults to qemu\-system\-<arch>
.TP
.B\-\-kernel\-args
Additional argument to pass to the installation kernel
.TP
.B\-\-ovmf\-path
Path to OVMF firmware
.sp
Default: "/usr/share/edk2/ovmf/"
.TP
.B\-\-virt\-uefi
Use OVMF firmware to boot the VM in UEFI mode
.sp
Default: False
.TP
.B\-\-no\-kvm
Skip using kvm with qemu even if it is available.
.sp
Default: False
.TP
.B\-\-with\-rng
RNG device for QEMU (none for no RNG)
.sp
Default: "/dev/random"
.UNINDENT
.SS dracut arguments
.INDENT 0.0
.TP
.B\-\-dracut\-arg
Argument to pass to dracut when rebuilding the initramfs. Pass this once for each argument. NOTE: this overrides the default. (default: )
.UNINDENT
.SS pxe to live arguments
.INDENT 0.0
.TP
.B\-\-live\-rootfs\-size
Size of root filesystem of live image in GiB
.sp
Default: 0
.TP
.B\-\-live\-rootfs\-keep\-size
Keep the original size of root filesystem in live image
.sp
Default: False
.UNINDENT
.SS OCI arguments
.INDENT 0.0
.TP
.B\-\-oci\-config
config.json OCI configuration file
.TP
.B\-\-oci\-runtime
runtime.json OCI configuration file
.UNINDENT
.SS Vagrant arguments
.INDENT 0.0
.TP
.B\-\-vagrant\-metadata
optional metadata.json file
.TP
.B\-\-vagrantfile
optional vagrantfile
.UNINDENT
.SH QUICKSTART
.sp
Run this to create a bootable live iso:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
sudo livemedia\-creator \-\-make\-iso \e
\-\-iso=/extra/iso/boot.iso \-\-ks=./docs/fedora\-livemedia.ks
.ft P
.fi
.UNINDENT
.UNINDENT
.sp
You can run it directly from the lorax git repo like this:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
sudo PATH=./src/sbin/:$PATH PYTHONPATH=./src/ ./src/sbin/livemedia\-creator \e
\-\-make\-iso \-\-iso=/extra/iso/boot.iso \e
\-\-ks=./docs/fedora\-livemedia.ks \-\-lorax\-templates=./share/
.ft P
.fi
.UNINDENT
.UNINDENT
.sp
You can observe the installation using vnc. The logs will show what port was
chosen, or you can use a specific port by passing it. eg. \fB\-\-vnc vnc:127.0.0.1:5\fP
.sp
This is usually a good idea when testing changes to the kickstart. lmc tries
to monitor the logs for fatal errors, but may not catch everything.
.SH HOW ISO CREATION WORKS
.sp
There are 2 stages, the install stage which produces a disk or filesystem image
as its output, and the boot media creation which uses the image as its input.
Normally you would run both stages, but it is possible to stop after the
install stage, by using \fB\-\-image\-only\fP, or to skip the install stage and use
a previously created disk image by passing \fB\-\-disk\-image\fP or \fB\-\-fs\-image\fP
.sp
When creating an iso qemu boots using the passed Anaconda installer iso
and installs the system based on the kickstart. The \fB%post\fP section of the
kickstart is used to customize the installed system in the same way that
current spin\-kickstarts do.
.sp
livemedia\-creator monitors the install process for problems by watching the
install logs. They are written to the current directory or to the base
directory specified by the \-\-logfile command. You can also monitor the install
by using a vnc client. This is recommended when first modifying a kickstart,
since there are still places where Anaconda may get stuck without the log
monitor catching it.
.sp
The output from this process is a partitioned disk image. kpartx can be used
to mount and examine it when there is a problem with the install. It can also
be booted using kvm.
.sp
When creating an iso the disk image\(aqs / partition is copied into a formatted
filesystem image which is then used as the input to lorax for creation of the
final media.
.sp
The final image is created by lorax, using the templates in /usr/share/lorax/live/
or the live directory below the directory specified by \fB\-\-lorax\-templates\fP\&. The
templates are written using the Mako template system with some extra commands
added by lorax.
.sp
\fBNOTE:\fP
.INDENT 0.0
.INDENT 3.5
The output from \-\-make\-iso includes the artifacts used to create the boot.iso;
the kernel, initrd, the squashfs filesystem, etc. If you only want the
boot.iso you can pass \fB\-\-iso\-only\fP and the other files will be removed. You
can also name the iso by using \fB\-\-iso\-name my\-live.iso\fP\&.
.UNINDENT
.UNINDENT
.SH KICKSTARTS
.sp
The docs/ directory includes several example kickstarts, one to create a live
desktop iso using GNOME, and another to create a minimal disk image. When
creating your own kickstarts you should start with the minimal example, it
includes several needed packages that are not always included by dependencies.
.sp
Or you can use existing spin kickstarts to create live media with a few
changes. Here are the steps I used to convert the Fedora XFCE spin.
.INDENT 0.0
.IP 1. 4
Flatten the xfce kickstart using ksflatten
.IP 2. 4
Add zerombr so you don\(aqt get the disk init dialog
.IP 3. 4
Add clearpart \-\-all
.IP 4. 4
Add swap partition
.IP 5. 4
bootloader target
.IP 6. 4
Add shutdown to the kickstart
.IP 7. 4
Add network \-\-bootproto=dhcp \-\-activate to activate the network
This works for F16 builds but for F15 and before you need to pass
something on the cmdline that activate the network, like sshd:
.INDENT 4.0
.INDENT 3.5
\fBlivemedia\-creator \-\-kernel\-args="sshd"\fP
.UNINDENT
.UNINDENT
.IP 8. 4
Add a root password:
.INDENT 4.0
.INDENT 3.5
.sp
.nf
.ft C
rootpw rootme
network \-\-bootproto=dhcp \-\-activate
zerombr
clearpart \-\-all
bootloader \-\-location=mbr
part swap \-\-size=512
shutdown
.ft P
.fi
.UNINDENT
.UNINDENT
.IP 9. 4
In the livesys script section of the %post remove the root password. This
really depends on how the spin wants to work. You could add the live user
that you create to the %wheel group so that sudo works if you wanted to.
.INDENT 4.0
.INDENT 3.5
\fBpasswd \-d root > /dev/null\fP
.UNINDENT
.UNINDENT
.IP 10. 4
Remove /etc/fstab in %post, dracut handles mounting the rootfs
.sp
\fBcat /dev/null > /dev/fstab\fP
.sp
Do this only for live iso\(aqs, the filesystem will be mounted read only if
there is no /etc/fstab
.IP 11. 4
Don\(aqt delete initramfs files from /boot in %post
.IP 12. 4
When creating live iso\(aqs you need to have, at least, these packages in the %package section::
dracut\-config\-generic
dracut\-live
\-dracut\-config\-rescue
grub\-efi
memtest86+
syslinux
.UNINDENT
.sp
One drawback to using qemu is that it pulls the packages from the repo each
time you run it. To speed things up you either need a local mirror of the
packages, or you can use a caching proxy. When using a proxy you pass it to
livemedia\-creator like this:
.INDENT 0.0
.INDENT 3.5
\fB\-\-proxy=http://proxy.yourdomain.com:3128\fP
.UNINDENT
.UNINDENT
.sp
You also need to use a specific mirror instead of mirrormanager so that the
packages will get cached, so your kickstart url would look like:
.INDENT 0.0
.INDENT 3.5
\fBurl \-\-url="http://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/x86_64/os/"\fP
.UNINDENT
.UNINDENT
.sp
You can also add an update repo, but don\(aqt name it updates. Add \-\-proxy to it
as well.
.SH ANACONDA IMAGE INSTALL (NO-VIRT)
.sp
You can create images without using qemu by passing \fB\-\-no\-virt\fP on the
cmdline. This will use Anaconda\(aqs directory install feature to handle the
install.  There are a couple of things to keep in mind when doing this:
.INDENT 0.0
.IP 1. 3
It will be most reliable when building images for the same release that the
host is running. Because Anaconda has expectations about the system it is
running under you may encounter strange bugs if you try to build newer or
older releases.
.IP 2. 3
Make sure selinux is set to permissive or disabled. It won\(aqt install
correctly with selinux set to enforcing yet.
.IP 3. 3
It may totally trash your host. So far I haven\(aqt had this happen, but the
possibility exists that a bug in Anaconda could result in it operating on
real devices. I recommend running it in a virt or on a system that you can
afford to lose all data from.
.UNINDENT
.sp
The logs from anaconda will be placed in an ./anaconda/ directory in either
the current directory or in the directory used for \-\-logfile
.sp
Example cmdline:
.sp
\fBsudo livemedia\-creator \-\-make\-iso \-\-no\-virt \-\-ks=./fedora\-livemedia.ks\fP
.sp
\fBNOTE:\fP
.INDENT 0.0
.INDENT 3.5
Using no\-virt to create a partitioned disk image (eg. \-\-make\-disk or
\-\-make\-vagrant) will only create disks usable on the host platform (BIOS
or UEFI). You can create BIOS partitioned disk images on UEFI by using
virt.
.UNINDENT
.UNINDENT
.SH AMI IMAGES
.sp
Amazon EC2 images can be created by using the \-\-make\-ami switch and an appropriate
kickstart file. All of the work to customize the image is handled by the kickstart.
The example currently included was modified from the cloud\-kickstarts version so
that it would work with livemedia\-creator.
.sp
Example cmdline:
.sp
\fBsudo livemedia\-creator \-\-make\-ami \-\-iso=/path/to/boot.iso \-\-ks=./docs/fedora\-livemedia\-ec2.ks\fP
.sp
This will produce an ami\-root.img file in the working directory.
.sp
At this time I have not tested the image with EC2. Feedback would be welcome.
.SH APPLIANCE CREATION
.sp
livemedia\-creator can now replace appliance\-tools by using the \-\-make\-appliance
switch. This will create the partitioned disk image and an XML file that can be
used with virt\-image to setup a virtual system.
.sp
The XML is generated using the Mako template from
/usr/share/lorax/appliance/libvirt.xml You can use a different template by
passing \fB\-\-app\-template <template path>\fP
.sp
Documentation on the Mako template system can be found at the \fI\%Mako site\fP
.sp
The name of the final output XML is appliance.xml, this can be changed with
\fB\-\-app\-file <file path>\fP
.sp
The following variables are passed to the template:
.INDENT 0.0
.INDENT 3.5
.INDENT 0.0
.TP
.B \fBdisks\fP
A list of disk_info about each disk.
Each entry has the following attributes:
.INDENT 7.0
.INDENT 3.5
\fBname\fP
base name of the disk image file
.sp
\fBformat\fP
"raw"
.sp
\fBchecksum_type\fP
"sha256"
.sp
\fBchecksum\fP
sha256 checksum of the disk image
.UNINDENT
.UNINDENT
.UNINDENT
.sp
\fBname\fP
Name of appliance, from \-\-app\-name argument
.sp
\fBarch\fP
Architecture
.sp
\fBmemory\fP
Memory in KB (from \fB\-\-ram\fP)
.sp
\fBvcpus\fP
from \fB\-\-vcpus\fP
.sp
\fBnetworks\fP
list of networks from the kickstart or []
.sp
\fBtitle\fP
from \fB\-\-title\fP
.sp
\fBproject\fP
from \fB\-\-project\fP
.sp
\fBreleasever\fP
from \fB\-\-releasever\fP
.UNINDENT
.UNINDENT
.sp
The created image can be imported into libvirt using:
.INDENT 0.0
.INDENT 3.5
\fBvirt\-image appliance.xml\fP
.UNINDENT
.UNINDENT
.sp
You can also create qcow2 appliance images using \fB\-\-image\-type=qcow2\fP, for example:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
sudo livemedia\-creator \-\-make\-appliance \-\-iso=/path/to/boot.iso \-\-ks=./docs/fedora\-minimal.ks \e
\-\-image\-type=qcow2 \-\-app\-file=minimal\-test.xml \-\-image\-name=minimal\-test.img
.ft P
.fi
.UNINDENT
.UNINDENT
.SH FILESYSTEM IMAGE CREATION
.sp
livemedia\-creator can be used to create un\-partitined filesystem images using
the \fB\-\-make\-fsimage\fP option. As of version 21.8 this works with both qemu and
no\-virt modes of operation. Previously it was only available with no\-virt.
.sp
Kickstarts should have a single / partition with no extra mountpoints.
.INDENT 0.0
.INDENT 3.5
\fBlivemedia\-creator \-\-make\-fsimage \-\-iso=/path/to/boot.iso \-\-ks=./docs/fedora\-minimal.ks\fP
.UNINDENT
.UNINDENT
.sp
You can name the output image with \fB\-\-image\-name\fP and set a label on the filesystem with \fB\-\-fs\-label\fP
.SH TAR FILE CREATION
.sp
The \fB\-\-make\-tar\fP command can be used to create a tar of the root filesystem. By
default it is compressed using xz, but this can be changed using the
\fB\-\-compression\fP and \fB\-\-compress\-arg\fP options. This option works with both virt and
no\-virt install methods.
.sp
As with \fB\-\-make\-fsimage\fP the kickstart should be limited to a single / partition.
.sp
For example:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
livemedia\-creator \-\-make\-tar \-\-iso=/path/to/boot.iso \-\-ks=./docs/fedora\-minimal.ks \e
\-\-image\-name=fedora\-root.tar.xz
.ft P
.fi
.UNINDENT
.UNINDENT
.SH LIVE IMAGE FOR PXE BOOT
.sp
The \fB\-\-make\-pxe\-live\fP command will produce squashfs image containing live root
filesystem that can be used for pxe boot. Directory with results will contain
the live image, kernel image, initrd image and template of pxe configuration
for the images.
.SH ATOMIC LIVE IMAGE FOR PXE BOOT
.sp
The \fB\-\-make\-ostree\-live\fP command will produce the same result as \fB\-\-make\-pxe\-live\fP
for installations of Atomic Host.  Example kickstart for such an installation
using Atomic installer iso with local repo included in the image can be found
in docs/rhel\-atomic\-pxe\-live.ks.
.sp
The PXE images can also be created with \fB\-\-no\-virt\fP by using the example
kickstart in docs/fedora\-atomic\-pxe\-live\-novirt.ks. This also works inside the
mock environment.
.SH USING MOCK AND --NO-VIRT TO CREATE IMAGES
.sp
As of lorax version 22.2 you can use livemedia\-creator and anaconda version
22.15 inside of a mock chroot with \-\-make\-iso and \-\-make\-fsimage.
.sp
\fBNOTE:\fP
.INDENT 0.0
.INDENT 3.5
As of mock 1.3.4 you need to use \fB\-\-old\-chroot\fP with mock. Mock now defaults to using systemd\-nspawn
which cannot create the needed loop device nodes. Passing \fB\-\-old\-chroot\fP will use the old system
where \fB/dev/loop*\fP is setup for you.
.UNINDENT
.UNINDENT
.sp
On the host system:
.INDENT 0.0
.IP 1. 3
yum install \-y mock
.IP 2. 3
Add a user to the mock group to use for running mock. eg. builder
.IP 3. 3
Create a new /etc/mock/ config file based on the rawhide one, or modify the
existing one so that the following options are setup:
.INDENT 3.0
.INDENT 3.5
.sp
.nf
.ft C
config_opts[\(aqchroot_setup_cmd\(aq] = \(aqinstall @buildsys\-build anaconda\-tui lorax\(aq

# build results go into /home/builder/results/
config_opts[\(aqplugin_conf\(aq][\(aqbind_mount_opts\(aq][\(aqdirs\(aq].append((\(aq/home/builder/results\(aq,\(aq/results/\(aq))
.ft P
.fi
.UNINDENT
.UNINDENT
.sp
If you are creating images for a branched release of Fedora you should also enable
the updates\-testing repository so that you get the latest builds in your mock chroot.
.UNINDENT
.sp
The following steps are run as the builder user who is a member of the mock
group.
.INDENT 0.0
.IP 4. 3
Make a directory for results matching the bind mount above
\fBmkdir ~/results/\fP
.IP 5. 3
Copy the example kickstarts
\fBcp /usr/share/docs/lorax/*ks .\fP
.IP 6. 3
Make sure tar and dracut\-network are in the %packages section and that the
\fBurl points to the correct repo\fP
.IP 7. 3
Init the mock
\fBmock \-r fedora\-rawhide\-x86_64 \-\-old\-chroot \-\-init\fP
.IP 8. 3
Copy the kickstart inside the mock
\fBmock \-r fedora\-rawhide\-x86_64 \-\-old\-chroot \-\-copyin ./fedora\-minimal.ks /root/\fP
.IP 9. 3
Make a minimal iso:
.INDENT 3.0
.INDENT 3.5
.sp
.nf
.ft C
mock \-r fedora\-rawhide\-x86_64 \-\-old\-chroot \-\-chroot \-\- livemedia\-creator \-\-no\-virt \e
\-\-resultdir=/results/try\-1 \-\-logfile=/results/logs/try\-1/try\-1.log \e
\-\-make\-iso \-\-ks /root/fedora\-minimal.ks
.ft P
.fi
.UNINDENT
.UNINDENT
.UNINDENT
.sp
Results will be in ./results/try\-1 and logs under /results/logs/try\-1/
including anaconda logs and livemedia\-creator logs. The new iso will be
located at ~/results/try\-1/images/boot.iso, and the ~/results/try\-1/
directory tree will also contain the vmlinuz, initrd, etc.
.SH USING MOCK AND QEMU TO CREATE IMAGES
.sp
Version 25.0 of livemedia\-creator switches to using qemu for virtualization.
This allows creation of all image types, and use of the KVM on the host if
/dev/kvm is present in the mock environment.
.sp
On the host system:
.INDENT 0.0
.IP 1. 3
yum install \-y mock
.IP 2. 3
Add a user to the mock group to use for running mock. eg. builder
.IP 3. 3
Create a new /etc/mock/ config file based on the rawhide one, or modify the
existing one so that the following options are setup:
.INDENT 3.0
.INDENT 3.5
.sp
.nf
.ft C
config_opts[\(aqchroot_setup_cmd\(aq] = \(aqinstall @buildsys\-build lorax qemu\(aq

# build results go into /home/builder/results/
config_opts[\(aqplugin_conf\(aq][\(aqbind_mount_opts\(aq][\(aqdirs\(aq].append((\(aq/home/builder/results\(aq,\(aq/results/\(aq))
.ft P
.fi
.UNINDENT
.UNINDENT
.sp
If you are creating images for a branched release of Fedora you should also enable
the updates\-testing repository so that you get the latest builds in your mock chroot.
.UNINDENT
.sp
The following steps are run as the builder user who is a member of the mock
group.
.INDENT 0.0
.IP 4. 3
Make a directory for results matching the bind mount above
\fBmkdir ~/results/\fP
.IP 5. 3
Copy the example kickstarts
\fBcp /usr/share/docs/lorax/*ks .\fP
.IP 6. 3
Make sure tar and dracut\-network are in the %packages section and that the
\fBurl points to the correct repo\fP
.IP 7. 3
Init the mock
\fBmock \-r fedora\-rawhide\-x86_64 \-\-old\-chroot \-\-init\fP
.IP 8. 3
Copy the kickstart inside the mock
\fBmock \-r fedora\-rawhide\-x86_64 \-\-old\-chroot \-\-copyin ./fedora\-minimal.ks /root/\fP
.IP 9. 3
Copy the Anaconda boot.iso inside the mock
\fBmock \-r fedora\-rawhide\-x86_64 \-\-old\-chroot \-\-copyin ./boot.iso /root/\fP
.IP 10. 3
Make a minimal iso:
.INDENT 3.0
.INDENT 3.5
.sp
.nf
.ft C
mock \-r fedora\-rawhide\-x86_64 \-\-old\-chroot \-\-chroot \-\- livemedia\-creator \e
\-\-resultdir=/results/try\-1 \-\-logfile=/results/logs/try\-1/try\-1.log \e
\-\-make\-iso \-\-ks /root/fedora\-minimal.ks \-\-iso /root/boot.iso
.ft P
.fi
.UNINDENT
.UNINDENT
.UNINDENT
.sp
Results will be in ./results/try\-1 and logs under /results/logs/try\-1/
including anaconda logs and livemedia\-creator logs. The new iso will be
located at ~/results/try\-1/images/boot.iso, and the ~/results/try\-1/
directory tree will also contain the vmlinuz, initrd, etc.
.sp
This will run qemu without kvm support, which is going to be very slow. You can
add \fBmknod /dev/kvm c 10 232;\fP to create the device node before running lmc.
.SH OPENSTACK IMAGE CREATION
.sp
OpenStack supports partitioned disk images so \fB\-\-make\-disk\fP can be used to
create images for importing into glance, OpenStack\(aqs image storage component.
You need to have access to an OpenStack provider that allows image uploads, or
setup your own using the instructions from the \fI\%RDO Project\fP\&.
.sp
The example kickstart, fedora\-openstack.ks, is only slightly different than the
fedora\-minimal.ks one.  It adds the cloud\-init and cloud\-utils\-growpart
packages. OpenStack supports setting up the image using cloud\-init, and
cloud\-utils\-growpart will grow the image to fit the instance\(aqs disk size.
.sp
Create a qcow2 image using the kickstart like this:
.INDENT 0.0
.INDENT 3.5
\fBsudo livemedia\-creator \-\-make\-disk \-\-iso=/path/to/boot.iso \-\-ks=/path/to/fedora\-openstack.ks \-\-image\-type=qcow2\fP
.UNINDENT
.UNINDENT
.sp
\fBNOTE:\fP
.INDENT 0.0
.INDENT 3.5
On the RHEL7 version of lmc \fB\-\-image\-type\fP isn\(aqt supported. You can only create a bare partitioned disk image.
.UNINDENT
.UNINDENT
.sp
Import the resulting disk image into the OpenStack system, either via the web UI, or glance on the cmdline:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
glance image\-create \-\-name "fedora\-openstack" \-\-is\-public true \-\-disk\-format qcow2 \e
\-\-container\-format bare \-\-file ./fedora\-openstack.qcow2
.ft P
.fi
.UNINDENT
.UNINDENT
.sp
If qcow2 wasn\(aqt used then \fB\-\-disk\-format\fP should be set to raw.
.SH DOCKER IMAGE CREATION
.sp
Use lmc to create a tarfile as described in the \fI\%TAR File Creation\fP section, but substitute the
fedora\-docker.ks example kickstart which removes the requirement for core files and the kernel.
.sp
You can then import the tarfile into docker like this (as root):
.INDENT 0.0
.INDENT 3.5
\fBcat /var/tmp/fedora\-root.tar.xz | docker import \- fedora\-root\fP
.UNINDENT
.UNINDENT
.sp
And then run bash inside of it:
.INDENT 0.0
.INDENT 3.5
\fBsudo docker run \-i \-t fedora\-root /bin/bash\fP
.UNINDENT
.UNINDENT
.SH OPEN CONTAINER INITIATIVE IMAGE CREATION
.sp
The OCI is a new specification that is still being worked on. You can read more about it at
\fI\%the Open Container Initiative website\fP\&. You can create
OCI images using the following command:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
sudo livemedia\-creator \-\-make\-oci \-\-oci\-config /path/to/config.json \-\-oci\-runtime /path/to/runtime.json \e
\-\-iso=/path/to/boot.iso \-\-ks=/path/to/fedora\-minimal.ks
.ft P
.fi
.UNINDENT
.UNINDENT
.sp
You must provide the config.json and runtime.json files to be included in the bundle,
their specifications can be found \fI\%on the OCI github project\fP
output will be in the results directory with a default name of bundle.tar.xz
.sp
This will work with \fB\-\-no\-virt\fP and inside a mock since it doesn\(aqt use any
partitioned disk images.
.SH VAGRANT IMAGE CREATION
.sp
\fI\%Vagrant\fP images can be created using the following command:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
sudo livemedia\-creator \-\-make\-vagrant \-\-vagrant\-metadata /path/to/metadata.json \e
\-\-iso=/path/to/boot.iso \-\-ks=/path/to/fedora\-vagrant.ks
.ft P
.fi
.UNINDENT
.UNINDENT
.sp
The image created is a \fI\%vagrant\-libvirt\fP provider image and needs to have
vagrant setup with libvirt before you can use it.
.sp
The \fB\-\-vagrant\-metadata\fP file is optional, it will create a minimal one by
default, and if one is passed it will make sure the disk size  is setup
correctly. If you pass a \fB\-\-vagrant\-vagrantfile\fP it will be included in the
image verbatim. By default no vagrantfile is created.
.sp
There is an example Vagrant kickstart file in the docs directory that sets up
the vagrant user with the default insecure SSH pubkey and a few useful
utilities.
.sp
This also works with \fB\-\-no\-virt\fP, but will not work inside a mock due to its
use of partitioned disk images and qcow2.
.SH CREATING UEFI DISK IMAGES WITH VIRT
.sp
Partitioned disk images can only be created for the same platform as the host system (BIOS or
UEFI). You can use virt to create BIOS images on UEFI systems, and it is also possible
to create UEFI images on BIOS systems using OVMF. You first need to setup your system with
the OVMF firmware. The details can be \fI\%found here linux\-kvm OVMF page\fP
but it amounts to:
.INDENT 0.0
.IP 1. 3
Download the firmware.repo from \fI\%Gerd Hoffmann\fP and install it
in /etc/yum.repos.d/
.IP 2. 3
Install the edk2.git\-ovmf\-x64 package
.IP 3. 3
Copy /usr/share/edk2.git/ovmf\-x64/OVMF_CODE\-pure\-efi.fd to /usr/share/OVMF/OVMF_CODE.fd
.IP 4. 3
Copy /usr/share/edk2.git/ovmf\-x64/OVMF_VARS\-pure\-efi.fd to /usr/share/OVMF/OVMF_VARS.fd
.UNINDENT
.sp
Now you can run livemedia\-creator with \fB\-\-virt\-uefi\fP to boot and install using UEFI:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
sudo livemedia\-creator \-\-make\-disk \-\-virt\-uefi \-\-iso=/path/to/boot.iso \e
\-\-ks=/path/to/fedora\-minimal.ks
.ft P
.fi
.UNINDENT
.UNINDENT
.sp
Make sure that the kickstart you are using creates a /boot/efi partition by including this:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
part /boot/efi \-\-fstype="efi" \-\-size=500
.ft P
.fi
.UNINDENT
.UNINDENT
.sp
\fBNOTE:\fP
.INDENT 0.0
.INDENT 3.5
When using the resulting image with the current version of OVMF (edk2.git\-ovmf\-x64\-0\-20151103.b1295.ge5cffca)
it will not boot automatically because there is a problem with the fallback path.
You can boot it by entering the UEFI shell and running EFI/fedora/shim.efi and
then using efibootmgr to setup the correct boot entry.
.UNINDENT
.UNINDENT
.SH DEBUGGING PROBLEMS
.sp
Sometimes an installation will get stuck. When using qemu the logs will
be written to ./virt\-install.log and most of the time any problems that happen
will be near the end of the file. lmc tries to detect common errors and will
cancel the installation when they happen. But not everything can be caught.
When creating a new kickstart it is helpful to use vnc so that you can monitor
the installation as it happens, and if it gets stuck without lmc detecting the
problem you can switch to tty1 and examine the system directly.
.sp
If it does get stuck the best way to cancel is to use kill \-9 on the qemu pid,
lmc will detect that the process died and cleanup.
.sp
If lmc didn\(aqt handle the cleanup for some reason you can do this:
1. \fBsudo umount /tmp/lmc\-XXXX\fP to unmount the iso from its mountpoint.
2. \fBsudo rm \-rf /tmp/lmc\-XXXX\fP
3. \fBsudo rm /var/tmp/lmc\-disk\-XXXXX\fP to remove the disk image.
.sp
Note that lmc uses the lmc\- prefix for all of its temporary files and
directories to make it easier to find and clean up leftovers.
.sp
The logs from the qemu run are stored in virt\-install.log, logs from
livemedia\-creator are in livemedia.log and program.log
.sp
You can add \fB\-\-image\-only\fP to skip the .iso creation and examine the resulting
disk image. Or you can pass \fB\-\-keep\-image\fP to keep it around after the iso has
been created.
.sp
Cleaning up aborted \fB\-\-no\-virt\fP installs can sometimes be accomplished by
running the \fBanaconda\-cleanup\fP script. As of Fedora 18 anaconda is
multi\-threaded and it can sometimes become stuck and refuse to exit. When this
happens you can usually clean up by first killing the anaconda process then
running \fBanaconda\-cleanup\fP\&.
.SH HACKING
.sp
Development on this will take place as part of the lorax project, and on the
anaconda\-devel\-list mailing list, and \fI\%on github\fP
.sp
Feedback, enhancements and bugs are welcome.  You can use \fI\%bugzilla\fP to
report bugs against the lorax component.
.SH AUTHOR
Weldr Team
.SH COPYRIGHT
2018, Red Hat, Inc.
.\" Generated by docutils manpage writer.
.