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maint: The 'release' target builds a VM image.
* gnu/system/examples/vm-image.tmpl: New file. * Makefile.am (GUIXSD_VM_SYSTEMS, GUIXSD_VM_IMAGE_BASE, GUIXSD_VM_IMAGE_SIZE): New variables. (release): Add logic to build a VM image. (EXAMPLES): Add 'gnu/system/examples/vm-image.tmpl'. * doc/guix.texi (Running GuixSD in a VM, Installing GuixSD in a VM): Mention the pre-built VM image.
This commit is contained in:
Leo Famulari
Ludovic Courtès
parent
56a03975eb
commit
a6c642ef63
3 changed files with 97 additions and 12 deletions
27
Makefile.am
27
Makefile.am
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@ -5,6 +5,7 @@
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# Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
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# Copyright © 2016, 2017 Mark H Weaver <mhw@netris.org>
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# Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
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# Copyright © 2017 Leo Famulari <leo@famulari.name>
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#
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# This file is part of GNU Guix.
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#
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@ -224,7 +225,8 @@ AUX_FILES = \
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EXAMPLES = \
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gnu/system/examples/bare-bones.tmpl \
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gnu/system/examples/desktop.tmpl \
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gnu/system/examples/lightweight-desktop.tmpl
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gnu/system/examples/lightweight-desktop.tmpl \
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gnu/system/examples/vm-image.tmpl
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GOBJECTS = $(MODULES:%.scm=%.go) guix/config.go $(dist_noinst_DATA:%.scm=%.go)
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@ -572,12 +574,21 @@ BINARY_TARBALLS = \
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# Systems supported by GuixSD.
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GUIXSD_SUPPORTED_SYSTEMS ?= x86_64-linux i686-linux
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# Systems for which we build GuixSD VMs.
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GUIXSD_VM_SYSTEMS ?= x86_64-linux
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# Prefix of the GuixSD installation image file name.
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GUIXSD_IMAGE_BASE = guixsd-usb-install-$(PACKAGE_VERSION)
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# Prefix of the GuixSD VM image file name.
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GUIXSD_VM_IMAGE_BASE = guixsd-vm-image-$(PACKAGE_VERSION)
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# Size of the installation image (for x86_64 typically).
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GUIXSD_INSTALLATION_IMAGE_SIZE ?= 950MiB
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# Size of the VM image (for x86_64 typically).
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GUIXSD_VM_IMAGE_SIZE ?= 2GiB
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# The release process works in several phases:
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#
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# 0. We assume the developer created a 'vX.Y' tag.
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@ -632,6 +643,20 @@ release: dist
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mv "$(releasedir)/$(GUIXSD_IMAGE_BASE).$$system.xz.tmp" \
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"$(releasedir)/$(GUIXSD_IMAGE_BASE).$$system.xz" ; \
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done
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for system in $(GUIXSD_VM_SYSTEMS) ; do \
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image=`$(top_builddir)/pre-inst-env \
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guix system vm-image \
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--system=$$system \
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--image-size=$(GUIXSD_VM_IMAGE_SIZE) \
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gnu/system/examples/vm-image.tmpl` ; \
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if [ ! -f "$$image" ] ; then \
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echo "failed to produced GuixSD VM image for $$system" >&2 ; \
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exit 1 ; \
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fi ; \
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xz < "$$image" > "$(releasedir)/$(GUIXSD_VM_IMAGE_BASE).$$system.xz.tmp" ; \
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mv "$(releasedir)/$(GUIXSD_VM_IMAGE_BASE).$$system.xz.tmp" \
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"$(releasedir)/$(GUIXSD_VM_IMAGE_BASE).$$system.xz" ; \
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done
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@echo
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@echo "Congratulations! All the release files are now in $(releasedir)."
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@echo
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@ -7634,8 +7634,11 @@ good.
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@subsection Installing GuixSD in a Virtual Machine
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@cindex virtual machine, GuixSD installation
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If you'd like to install GuixSD in a virtual machine (VM) rather than on
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your beloved machine, this section is for you.
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@cindex virtual private server (VPS)
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@cindex VPS (virtual private server)
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If you'd like to install GuixSD in a virtual machine (VM) or on a
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virtual private server (VPS) rather than on your beloved machine, this
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section is for you.
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To boot a @uref{http://qemu.org/,QEMU} VM for installing GuixSD in a
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disk image, follow these steps:
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@ -15693,17 +15696,21 @@ example graph.
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@subsection Running GuixSD in a Virtual Machine
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@cindex virtual machine
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One way to run GuixSD in a virtual machine (VM) is to build a GuixSD
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virtual machine image using @command{guix system vm-image}
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(@pxref{Invoking guix system}). The returned image is in qcow2 format,
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which the @uref{http://qemu.org/, QEMU emulator} can efficiently use.
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To run GuixSD in a virtual machine (VM), one can either use the
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pre-built GuixSD VM image distributed at
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@indicateurl{ftp://alpha.gnu.org/guix/guixsd-vm-image-@value{VERSION}.@var{system}.tar.xz}
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, or build their own virtual machine image using @command{guix system
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vm-image} (@pxref{Invoking guix system}). The returned image is in
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qcow2 format, which the @uref{http://qemu.org/, QEMU emulator} can
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efficiently use.
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@cindex QEMU
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To run the image in QEMU, copy it out of the store (@pxref{The Store})
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and give yourself permission to write to the copy. When invoking QEMU,
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you must choose a system emulator that is suitable for your hardware
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platform. Here is a minimal QEMU invocation that will boot the result
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of @command{guix system vm-image} on x86_64 hardware:
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If you built your own image, you must copy it out of the store
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(@pxref{The Store}) and give yourself permission to write to the copy
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before you can use it. When invoking QEMU, you must choose a system
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emulator that is suitable for your hardware platform. Here is a minimal
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QEMU invocation that will boot the result of @command{guix system
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vm-image} on x86_64 hardware:
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@example
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$ qemu-system-x86_64 \
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53
gnu/system/examples/vm-image.tmpl
Normal file
53
gnu/system/examples/vm-image.tmpl
Normal file
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@ -0,0 +1,53 @@
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;;; This is an operating system configuration template for a "bare-bones" setup,
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;;; suitable for booting in a virtualized environment, including virtual private
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;;; servers (VPS).
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(use-modules (gnu))
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(use-package-modules bootloaders disk nvi)
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(define vm-image-motd (plain-file "motd" "
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This is the GNU system. Welcome!
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This instance of GuixSD is a bare-bones template for virtualized environments.
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You will probably want to do these things first if you booted in a virtual
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private server (VPS):
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* Set a password for 'root'.
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* Set up networking.
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* Expand the root partition to fill the space available by 0) deleting and
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recreating the partition with fdisk, 1) reloading the partition table with
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partprobe, and then 2) resizing the filesystem with resize2fs.\n"))
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(operating-system
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(host-name "gnu")
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(timezone "Etc/UTC")
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(locale "en_US.utf8")
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;; Assuming /dev/sdX is the target hard disk, and "my-root" is
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;; the label of the target root file system.
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(bootloader (grub-configuration (device "/dev/sda")
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(terminal-outputs '(console))))
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(file-systems (cons (file-system
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(device "my-root")
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(title 'label)
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(mount-point "/")
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(type "ext4"))
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%base-file-systems))
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;; This is where user accounts are specified. The "root"
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;; account is implicit, and is initially created with the
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;; empty password.
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(users %base-user-accounts)
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;; Globally-installed packages.
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(packages (cons* nvi fdisk
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grub ; mostly so xrefs to its manual work
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parted ; partprobe
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%base-packages))
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(services (modify-services %base-services
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(login-service-type config =>
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(login-configuration
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(inherit config)
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(motd vm-image-motd))))))
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