livemedia-creator: Move core functions into pylorax modules
This reduces the amount of code in livemedia-creator to the cmdline parsing and calling of the installer functions. Moving them into other modules will allow them to be used by other projects, like the lorax-composer API server.
This commit is contained in:
Brian C. Lane
parent
39673941a8
commit
fc56671638
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@ -0,0 +1,634 @@
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#
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# Copyright (C) 2011-2018 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import logging
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log = logging.getLogger("pylorax")
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import os
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import tempfile
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import subprocess
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import shutil
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import hashlib
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import glob
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import json
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from math import ceil
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# Use Mako templates for appliance builder descriptions
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from mako.template import Template
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from mako.exceptions import text_error_template
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# Use the Lorax treebuilder branch for iso creation
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from pylorax import ArchData
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from pylorax.base import DataHolder
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from pylorax.executils import execWithRedirect, runcmd
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from pylorax.imgutils import PartitionMount, mkext4img
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from pylorax.imgutils import mount, umount, Mount
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from pylorax.imgutils import mksquashfs, mkrootfsimg
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from pylorax.imgutils import copytree
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from pylorax.installer import novirt_install, virt_install, InstallError
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from pylorax.treebuilder import TreeBuilder, RuntimeBuilder
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from pylorax.treebuilder import findkernels
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from pylorax.sysutils import joinpaths, remove
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# Default parameters for rebuilding initramfs, override with --dracut-args
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DRACUT_DEFAULT = ["--xz", "--add", "livenet dmsquash-live convertfs pollcdrom qemu qemu-net",
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"--omit", "plymouth", "--no-hostonly", "--debug", "--no-early-microcode"]
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RUNTIME = "images/install.img"
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class FakeDNF(object):
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"""
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A minimal DNF object suitable for passing to RuntimeBuilder
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lmc uses RuntimeBuilder to run the arch specific iso creation
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templates, so the the installroot config value is the important part of
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this. Everything else should be a nop.
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"""
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def __init__(self, conf):
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self.conf = conf
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def reset(self):
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pass
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def is_image_mounted(disk_img):
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"""
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Check to see if the disk_img is mounted
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:returns: True if disk_img is in /proc/mounts
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:rtype: bool
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"""
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with open("/proc/mounts") as mounts:
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for mnt in mounts:
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fields = mnt.split()
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if len(fields) > 2 and fields[1] == disk_img:
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return True
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return False
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def find_ostree_root(phys_root):
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"""
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Find root of ostree deployment
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:param str phys_root: Path to physical root
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:returns: Relative path of ostree deployment root
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:rtype: str
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:raise Exception: More than one deployment roots were found
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"""
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ostree_root = ""
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ostree_sysroots = glob.glob(joinpaths(phys_root, "ostree/boot.?/*/*/0"))
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log.debug("ostree_sysroots = %s", ostree_sysroots)
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if ostree_sysroots:
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if len(ostree_sysroots) > 1:
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raise Exception("Too many deployment roots found: %s" % ostree_sysroots)
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ostree_root = os.path.relpath(ostree_sysroots[0], phys_root)
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return ostree_root
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def get_arch(mount_dir):
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"""
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Get the kernel arch
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:returns: Arch of first kernel found at mount_dir/boot/ or i386
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:rtype: str
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"""
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kernels = findkernels(mount_dir)
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if not kernels:
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return "i386"
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return kernels[0].arch
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def squashfs_args(opts):
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""" Returns the compression type and args to use when making squashfs
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:param opts: ArgumentParser object with compression and compressopts
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:returns: tuple of compression type and args
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:rtype: tuple
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"""
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compression = opts.compression or "xz"
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arch = ArchData(opts.arch or os.uname().machine)
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if compression == "xz" and arch.bcj:
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compressargs = ["-Xbcj", arch.bcj]
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else:
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compressargs = []
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return (compression, compressargs)
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def make_appliance(disk_img, name, template, outfile, networks=None, ram=1024,
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vcpus=1, arch=None, title="Linux", project="Linux",
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releasever="29"):
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"""
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Generate an appliance description file
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:param str disk_img: Full path of the disk image
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:param str name: Name of the appliance, passed to the template
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:param str template: Full path of Mako template
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:param str outfile: Full path of file to write, using template
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:param list networks: List of networks(str) from the kickstart
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:param int ram: Ram, in MiB, passed to template. Default is 1024
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:param int vcpus: CPUs, passed to template. Default is 1
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:param str arch: CPU architecture. Default is 'x86_64'
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:param str title: Title, passed to template. Default is 'Linux'
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:param str project: Project, passed to template. Default is 'Linux'
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:param str releasever: Release version, passed to template. Default is 29
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"""
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if not (disk_img and template and outfile):
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return None
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log.info("Creating appliance definition using %s", template)
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if not arch:
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arch = "x86_64"
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log.info("Calculating SHA256 checksum of %s", disk_img)
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sha256 = hashlib.sha256()
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with open(disk_img) as f:
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while True:
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data = f.read(1024**2)
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if not data:
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break
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sha256.update(data)
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log.info("SHA256 of %s is %s", disk_img, sha256.hexdigest())
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disk_info = DataHolder(name=os.path.basename(disk_img), format="raw",
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checksum_type="sha256", checksum=sha256.hexdigest())
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try:
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result = Template(filename=template).render(disks=[disk_info], name=name,
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arch=arch, memory=ram, vcpus=vcpus, networks=networks,
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title=title, project=project, releasever=releasever)
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except Exception:
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log.error(text_error_template().render())
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raise
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with open(outfile, "w") as f:
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f.write(result)
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def make_fsimage(diskimage, fsimage, img_size=None, label="Anaconda"):
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"""
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Copy the / partition of a partitioned disk image to an un-partitioned
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disk image.
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:param str diskimage: The full path to partitioned disk image with a /
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:param str fsimage: The full path of the output fs image file
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:param int img_size: Optional size of the fsimage in MiB or None to make
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it as small as possible
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:param str label: The label to apply to the image. Defaults to "Anaconda"
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"""
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with PartitionMount(diskimage) as img_mount:
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if not img_mount or not img_mount.mount_dir:
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return None
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log.info("Creating fsimage %s (%s)", fsimage, img_size or "minimized")
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if img_size:
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# convert to Bytes
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img_size *= 1024**2
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mkext4img(img_mount.mount_dir, fsimage, size=img_size, label=label)
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def make_runtime(opts, mount_dir, work_dir, size=None):
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"""
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Make the squashfs image from a directory
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:param opts: options passed to livemedia-creator
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:type opts: argparse options
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:param str mount_dir: Directory tree to compress
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:param str work_dir: Output compressed image to work_dir+images/install.img
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:param int size: Size of disk image, in GiB
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"""
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kernel_arch = get_arch(mount_dir)
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# Fake dnf object
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fake_dbo = FakeDNF(conf=DataHolder(installroot=mount_dir))
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# Fake arch with only basearch set
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arch = ArchData(kernel_arch)
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# TODO: Need to get release info from someplace...
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product = DataHolder(name=opts.project, version=opts.releasever, release="",
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variant="", bugurl="", isfinal=False)
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# This is a mounted image partition, cannot hardlink to it, so just use it
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# symlink mount_dir/images to work_dir/images so we don't run out of space
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os.makedirs(joinpaths(work_dir, "images"))
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rb = RuntimeBuilder(product, arch, fake_dbo)
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compression, compressargs = squashfs_args(opts)
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log.info("Creating runtime")
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rb.create_runtime(joinpaths(work_dir, RUNTIME), size=size,
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compression=compression, compressargs=compressargs)
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def rebuild_initrds_for_live(opts, sys_root_dir, results_dir):
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"""
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Rebuild intrds for pxe live image (root=live:http://)
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:param opts: options passed to livemedia-creator
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:type opts: argparse options
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:param str sys_root_dir: Path to root of the system
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:param str results_dir: Path of directory for storing results
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"""
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if not opts.dracut_args:
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dracut_args = DRACUT_DEFAULT
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else:
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dracut_args = []
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for arg in opts.dracut_args:
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dracut_args += arg.split(" ", 1)
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log.info("dracut args = %s", dracut_args)
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dracut = ["dracut", "--nomdadmconf", "--nolvmconf"] + dracut_args
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kdir = "boot"
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if opts.ostree:
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kernels_dir = glob.glob(joinpaths(sys_root_dir, "boot/ostree/*"))
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if kernels_dir:
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kdir = os.path.relpath(kernels_dir[0], sys_root_dir)
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kernels = [kernel for kernel in findkernels(sys_root_dir, kdir)]
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if not kernels:
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raise Exception("No initrds found, cannot rebuild_initrds")
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# Hush some dracut warnings. TODO: bind-mount proc in place?
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open(joinpaths(sys_root_dir,"/proc/modules"),"w")
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if opts.ostree:
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# Dracut assumes to have some dirs in disk image
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# /var/tmp for temp files
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vartmp_dir = joinpaths(sys_root_dir, "var/tmp")
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if not os.path.isdir(vartmp_dir):
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os.mkdir(vartmp_dir)
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# /root (maybe not fatal)
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root_dir = joinpaths(sys_root_dir, "var/roothome")
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if not os.path.isdir(root_dir):
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os.mkdir(root_dir)
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# /tmp (maybe not fatal)
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tmp_dir = joinpaths(sys_root_dir, "sysroot/tmp")
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if not os.path.isdir(tmp_dir):
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os.mkdir(tmp_dir)
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# Write the new initramfs directly to the results directory
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os.mkdir(joinpaths(sys_root_dir, "results"))
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mount(results_dir, opts="bind", mnt=joinpaths(sys_root_dir, "results"))
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# Dracut runs out of space inside the minimal rootfs image
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mount("/var/tmp", opts="bind", mnt=joinpaths(sys_root_dir, "var/tmp"))
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for kernel in kernels:
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if hasattr(kernel, "initrd"):
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outfile = os.path.basename(kernel.initrd.path)
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else:
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# Construct an initrd from the kernel name
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outfile = os.path.basename(kernel.path.replace("vmlinuz-", "initrd-") + ".img")
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log.info("rebuilding %s", outfile)
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kver = kernel.version
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cmd = dracut + ["/results/"+outfile, kver]
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runcmd(cmd, root=sys_root_dir)
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shutil.copy2(joinpaths(sys_root_dir, kernel.path), results_dir)
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umount(joinpaths(sys_root_dir, "var/tmp"), delete=False)
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umount(joinpaths(sys_root_dir, "results"), delete=False)
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os.unlink(joinpaths(sys_root_dir,"/proc/modules"))
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def create_pxe_config(template, images_dir, live_image_name, add_args = None):
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"""
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Create template for pxe to live configuration
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:param str images_dir: Path of directory with images to be used
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:param str live_image_name: Name of live rootfs image file
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:param list add_args: Arguments to be added to initrd= pxe config
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"""
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add_args = add_args or []
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kernels = [kernel for kernel in findkernels(images_dir, kdir="")
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if hasattr(kernel, "initrd")]
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if not kernels:
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return
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kernel = kernels[0]
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add_args_str = " ".join(add_args)
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try:
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result = Template(filename=template).render(kernel=kernel.path,
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initrd=kernel.initrd.path, liveimg=live_image_name,
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addargs=add_args_str)
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except Exception:
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log.error(text_error_template().render())
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raise
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with open (joinpaths(images_dir, "PXE_CONFIG"), "w") as f:
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f.write(result)
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def create_vagrant_metadata(path, size=0):
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""" Create a default Vagrant metadata.json file
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:param str path: Path to metadata.json file
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:param int size: Disk size in MiB
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"""
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metadata = { "provider":"libvirt", "format":"qcow2", "virtual_size": ceil(size / 1024) }
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with open(path, "wt") as f:
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json.dump(metadata, f, indent=4)
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def update_vagrant_metadata(path, size):
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""" Update the Vagrant metadata.json file
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:param str path: Path to metadata.json file
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:param int size: Disk size in MiB
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This function makes sure that the provider, format and virtual size of the
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metadata file are set correctly. All other values are left untouched.
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"""
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with open(path, "rt") as f:
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try:
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metadata = json.load(f)
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except ValueError as e:
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log.error("Problem reading metadata file %s: %s", path, e)
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return
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metadata["provider"] = "libvirt"
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metadata["format"] = "qcow2"
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metadata["virtual_size"] = ceil(size / 1024)
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with open(path, "wt") as f:
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json.dump(metadata, f, indent=4)
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def make_livecd(opts, mount_dir, work_dir):
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"""
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Take the content from the disk image and make a livecd out of it
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:param opts: options passed to livemedia-creator
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:type opts: argparse options
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:param str mount_dir: Directory tree to compress
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:param str work_dir: Output compressed image to work_dir+images/install.img
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This uses wwood's squashfs live initramfs method:
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* put the real / into LiveOS/rootfs.img
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* make a squashfs of the LiveOS/rootfs.img tree
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* This is loaded by dracut when the cmdline is passed to the kernel:
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root=live:CDLABEL=<volid> rd.live.image
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"""
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kernel_arch = get_arch(mount_dir)
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arch = ArchData(kernel_arch)
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# TODO: Need to get release info from someplace...
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product = DataHolder(name=opts.project, version=opts.releasever, release="",
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variant="", bugurl="", isfinal=False)
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# Link /images to work_dir/images to make the templates happy
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if os.path.islink(joinpaths(mount_dir, "images")):
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os.unlink(joinpaths(mount_dir, "images"))
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execWithRedirect("/bin/ln", ["-s", joinpaths(work_dir, "images"),
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joinpaths(mount_dir, "images")])
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# The templates expect the config files to be in /tmp/config_files
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# I think these should be release specific, not from lorax, but for now
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configdir = joinpaths(opts.lorax_templates,"live/config_files/")
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configdir_path = "tmp/config_files"
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fullpath = joinpaths(mount_dir, configdir_path)
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if os.path.exists(fullpath):
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remove(fullpath)
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copytree(configdir, fullpath)
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isolabel = opts.volid or "{0.name}-{0.version}-{1.basearch}".format(product, arch)
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if len(isolabel) > 32:
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isolabel = isolabel[:32]
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log.warning("Truncating isolabel to 32 chars: %s", isolabel)
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tb = TreeBuilder(product=product, arch=arch, domacboot=opts.domacboot,
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inroot=mount_dir, outroot=work_dir,
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runtime=RUNTIME, isolabel=isolabel,
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templatedir=joinpaths(opts.lorax_templates,"live/"))
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log.info("Rebuilding initrds")
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if not opts.dracut_args:
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dracut_args = DRACUT_DEFAULT
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else:
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dracut_args = []
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for arg in opts.dracut_args:
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dracut_args += arg.split(" ", 1)
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log.info("dracut args = %s", dracut_args)
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tb.rebuild_initrds(add_args=dracut_args)
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log.info("Building boot.iso")
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tb.build()
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return work_dir
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def mount_boot_part_over_root(img_mount):
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"""
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Mount boot partition to /boot of root fs mounted in img_mount
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Used for OSTree so it finds deployment configurations on live rootfs
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param img_mount: object with mounted disk image root partition
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type img_mount: imgutils.PartitionMount
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"""
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root_dir = img_mount.mount_dir
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is_boot_part = lambda dir: os.path.exists(dir+"/loader.0")
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tmp_mount_dir = tempfile.mkdtemp(prefix="lmc-tmpdir-")
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sysroot_boot_dir = None
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for dev, _size in img_mount.loop_devices:
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if dev is img_mount.mount_dev:
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continue
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try:
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mount("/dev/mapper/"+dev, mnt=tmp_mount_dir)
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if is_boot_part(tmp_mount_dir):
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umount(tmp_mount_dir)
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||||
sysroot_boot_dir = joinpaths(root_dir, "boot")
|
||||
mount("/dev/mapper/"+dev, mnt=sysroot_boot_dir)
|
||||
break
|
||||
else:
|
||||
umount(tmp_mount_dir)
|
||||
except subprocess.CalledProcessError as e:
|
||||
log.debug("Looking for boot partition error: %s", e)
|
||||
remove(tmp_mount_dir)
|
||||
return sysroot_boot_dir
|
||||
|
||||
def make_squashfs(opts, disk_img, work_dir):
|
||||
"""
|
||||
Create a squashfs image of an unpartitioned filesystem disk image
|
||||
|
||||
:param str disk_img: Path to the unpartitioned filesystem disk image
|
||||
:param str work_dir: Output compressed image to work_dir+images/install.img
|
||||
:param str compression: Compression type to use
|
||||
:returns: True if squashfs creation was successful. False if there was an error.
|
||||
:rtype: bool
|
||||
|
||||
Take disk_img and put it into LiveOS/rootfs.img and squashfs this
|
||||
tree into work_dir+images/install.img
|
||||
|
||||
fsck.ext4 is run on the disk image to make sure there are no errors and to zero
|
||||
out any deleted blocks to make it compress better. If this fails for any reason
|
||||
it will return False and log the error.
|
||||
"""
|
||||
# Make sure free blocks are actually zeroed so it will compress
|
||||
rc = execWithRedirect("/usr/sbin/fsck.ext4", ["-y", "-f", "-E", "discard", disk_img])
|
||||
if rc != 0:
|
||||
log.error("Problem zeroing free blocks of %s", disk_img)
|
||||
return False
|
||||
|
||||
liveos_dir = joinpaths(work_dir, "runtime/LiveOS")
|
||||
os.makedirs(liveos_dir)
|
||||
os.makedirs(os.path.dirname(joinpaths(work_dir, RUNTIME)))
|
||||
|
||||
rc = execWithRedirect("/bin/ln", [disk_img, joinpaths(liveos_dir, "rootfs.img")])
|
||||
if rc != 0:
|
||||
shutil.copy2(disk_img, joinpaths(liveos_dir, "rootfs.img"))
|
||||
|
||||
compression, compressargs = squashfs_args(opts)
|
||||
mksquashfs(joinpaths(work_dir, "runtime"),
|
||||
joinpaths(work_dir, RUNTIME), compression, compressargs)
|
||||
remove(joinpaths(work_dir, "runtime"))
|
||||
return True
|
||||
|
||||
def calculate_disk_size(opts, ks):
|
||||
""" Calculate the disk size from the kickstart
|
||||
|
||||
:param opts: options passed to livemedia-creator
|
||||
:type opts: argparse options
|
||||
:param str ks: Path to the kickstart to use for the installation
|
||||
:returns: Disk size in MiB
|
||||
:rtype: int
|
||||
"""
|
||||
# Disk size for a filesystem image should only be the size of /
|
||||
# to prevent surprises when using the same kickstart for different installations.
|
||||
unique_partitions = dict((p.mountpoint, p) for p in ks.handler.partition.partitions)
|
||||
if opts.no_virt and (opts.make_iso or opts.make_fsimage):
|
||||
disk_size = 2 + sum(p.size for p in unique_partitions.values() if p.mountpoint == "/")
|
||||
else:
|
||||
disk_size = 2 + sum(p.size for p in unique_partitions.values())
|
||||
log.info("Using disk size of %sMiB", disk_size)
|
||||
return disk_size
|
||||
|
||||
def make_image(opts, ks):
|
||||
"""
|
||||
Install to a disk image
|
||||
|
||||
:param opts: options passed to livemedia-creator
|
||||
:type opts: argparse options
|
||||
:param str ks: Path to the kickstart to use for the installation
|
||||
:returns: Path of the image created
|
||||
:rtype: str
|
||||
|
||||
Use qemu+boot.iso or anaconda to install to a disk image.
|
||||
"""
|
||||
if opts.image_name:
|
||||
disk_img = joinpaths(opts.result_dir, opts.image_name)
|
||||
else:
|
||||
disk_img = tempfile.mktemp(prefix="lmc-disk-", suffix=".img", dir=opts.result_dir)
|
||||
log.info("disk_img = %s", disk_img)
|
||||
disk_size = calculate_disk_size(opts, ks)
|
||||
try:
|
||||
if opts.no_virt:
|
||||
novirt_install(opts, disk_img, disk_size)
|
||||
else:
|
||||
install_log = os.path.abspath(os.path.dirname(opts.logfile))+"/virt-install.log"
|
||||
log.info("install_log = %s", install_log)
|
||||
|
||||
virt_install(opts, install_log, disk_img, disk_size)
|
||||
except InstallError as e:
|
||||
log.error("Install failed: %s", e)
|
||||
if not opts.keep_image and os.path.exists(disk_img):
|
||||
log.info("Removing bad disk image")
|
||||
os.unlink(disk_img)
|
||||
raise
|
||||
|
||||
log.info("Disk Image install successful")
|
||||
return disk_img
|
||||
|
||||
|
||||
def make_live_images(opts, work_dir, disk_img):
|
||||
"""
|
||||
Create live images from direcory or rootfs image
|
||||
|
||||
:param opts: options passed to livemedia-creator
|
||||
:type opts: argparse options
|
||||
:param str work_dir: Directory for storing results
|
||||
:param str disk_img: Path to disk image (fsimage or partitioned)
|
||||
:returns: Path of directory with created images or None
|
||||
:rtype: str
|
||||
|
||||
fsck.ext4 is run on the rootfs_image to make sure there are no errors and to zero
|
||||
out any deleted blocks to make it compress better. If this fails for any reason
|
||||
it will return None and log the error.
|
||||
"""
|
||||
sys_root = ""
|
||||
|
||||
squashfs_root_dir = joinpaths(work_dir, "squashfs_root")
|
||||
liveos_dir = joinpaths(squashfs_root_dir, "LiveOS")
|
||||
os.makedirs(liveos_dir)
|
||||
rootfs_img = joinpaths(liveos_dir, "rootfs.img")
|
||||
|
||||
if opts.fs_image or opts.no_virt:
|
||||
# Find the ostree root in the fsimage
|
||||
if opts.ostree:
|
||||
with Mount(disk_img, opts="loop") as mnt_dir:
|
||||
sys_root = find_ostree_root(mnt_dir)
|
||||
|
||||
# Try to hardlink the image, if that fails, copy it
|
||||
rc = execWithRedirect("/bin/ln", [disk_img, rootfs_img])
|
||||
if rc != 0:
|
||||
shutil.copy2(disk_img, rootfs_img)
|
||||
else:
|
||||
is_root_part = None
|
||||
if opts.ostree:
|
||||
is_root_part = lambda dir: os.path.exists(dir+"/ostree/deploy")
|
||||
with PartitionMount(disk_img, mount_ok=is_root_part) as img_mount:
|
||||
if img_mount and img_mount.mount_dir:
|
||||
try:
|
||||
mounted_sysroot_boot_dir = None
|
||||
if opts.ostree:
|
||||
sys_root = find_ostree_root(img_mount.mount_dir)
|
||||
mounted_sysroot_boot_dir = mount_boot_part_over_root(img_mount)
|
||||
if opts.live_rootfs_keep_size:
|
||||
size = img_mount.mount_size / 1024**3
|
||||
else:
|
||||
size = opts.live_rootfs_size or None
|
||||
log.info("Creating live rootfs image")
|
||||
mkrootfsimg(img_mount.mount_dir, rootfs_img, "LiveOS", size=size, sysroot=sys_root)
|
||||
finally:
|
||||
if mounted_sysroot_boot_dir:
|
||||
umount(mounted_sysroot_boot_dir)
|
||||
log.debug("sys_root = %s", sys_root)
|
||||
|
||||
# Make sure free blocks are actually zeroed so it will compress
|
||||
rc = execWithRedirect("/usr/sbin/fsck.ext4", ["-y", "-f", "-E", "discard", rootfs_img])
|
||||
if rc != 0:
|
||||
log.error("Problem zeroing free blocks of %s", disk_img)
|
||||
return None
|
||||
|
||||
log.info("Packing live rootfs image")
|
||||
add_pxe_args = []
|
||||
live_image_name = "live-rootfs.squashfs.img"
|
||||
compression, compressargs = squashfs_args(opts)
|
||||
mksquashfs(squashfs_root_dir, joinpaths(work_dir, live_image_name), compression, compressargs)
|
||||
|
||||
log.info("Rebuilding initramfs for live")
|
||||
with Mount(rootfs_img, opts="loop") as mnt_dir:
|
||||
try:
|
||||
mount(joinpaths(mnt_dir, "boot"), opts="bind", mnt=joinpaths(mnt_dir, sys_root, "boot"))
|
||||
rebuild_initrds_for_live(opts, joinpaths(mnt_dir, sys_root), work_dir)
|
||||
finally:
|
||||
umount(joinpaths(mnt_dir, sys_root, "boot"), delete=False)
|
||||
|
||||
remove(squashfs_root_dir)
|
||||
|
||||
if opts.ostree:
|
||||
add_pxe_args.append("ostree=/%s" % sys_root)
|
||||
template = joinpaths(opts.lorax_templates, "pxe-live/pxe-config.tmpl")
|
||||
create_pxe_config(template, work_dir, live_image_name, add_pxe_args)
|
||||
|
||||
return work_dir
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,569 @@
|
|||
#
|
||||
# Copyright (C) 2011-2018 Red Hat, Inc.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 2 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
import logging
|
||||
log = logging.getLogger("pylorax")
|
||||
|
||||
import os
|
||||
import tempfile
|
||||
import subprocess
|
||||
import shutil
|
||||
import glob
|
||||
import socket
|
||||
|
||||
# Use the Lorax treebuilder branch for iso creation
|
||||
from pylorax.creator import create_vagrant_metadata, update_vagrant_metadata, make_fsimage
|
||||
from pylorax.executils import execWithRedirect, execReadlines
|
||||
from pylorax.imgutils import PartitionMount, mksparse, mkext4img, loop_detach
|
||||
from pylorax.imgutils import get_loop_name, dm_detach, mount, umount
|
||||
from pylorax.imgutils import mkqemu_img, mktar
|
||||
from pylorax.imgutils import mkcpio
|
||||
from pylorax.monitor import LogMonitor
|
||||
from pylorax.mount import IsoMountpoint
|
||||
from pylorax.sysutils import joinpaths
|
||||
from pylorax.treebuilder import udev_escape
|
||||
|
||||
|
||||
ROOT_PATH = "/mnt/sysimage/"
|
||||
|
||||
class InstallError(Exception):
|
||||
pass
|
||||
|
||||
|
||||
def find_free_port(start=5900, end=5999, host="127.0.0.1"):
|
||||
""" Return first free port in range.
|
||||
|
||||
:param int start: Starting port number
|
||||
:param int end: Ending port number
|
||||
:param str host: Host IP to search
|
||||
:returns: First free port or -1 if none found
|
||||
:rtype: int
|
||||
"""
|
||||
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
||||
for port in range(start, end+1):
|
||||
try:
|
||||
s.bind((host, port))
|
||||
s.close()
|
||||
return port
|
||||
except OSError:
|
||||
pass
|
||||
|
||||
return -1
|
||||
|
||||
def append_initrd(initrd, files):
|
||||
""" Append files to an initrd.
|
||||
|
||||
:param str initrd: Path to initrd
|
||||
:param list files: list of file paths to add
|
||||
:returns: Path to a new initrd
|
||||
:rtype: str
|
||||
|
||||
The files are added to the initrd by creating a cpio image
|
||||
of the files (stored at /) and writing the cpio to the end of a
|
||||
copy of the initrd.
|
||||
|
||||
The initrd is not changed, a copy is made before appending the
|
||||
cpio archive.
|
||||
"""
|
||||
qemu_initrd = tempfile.mktemp(prefix="lmc-initrd-", suffix=".img")
|
||||
shutil.copy2(initrd, qemu_initrd)
|
||||
ks_dir = tempfile.mkdtemp(prefix="lmc-ksdir-")
|
||||
for ks in files:
|
||||
shutil.copy2(ks, ks_dir)
|
||||
ks_initrd = tempfile.mktemp(prefix="lmc-ks-", suffix=".img")
|
||||
mkcpio(ks_dir, ks_initrd)
|
||||
shutil.rmtree(ks_dir)
|
||||
with open(qemu_initrd, "ab") as initrd_fp:
|
||||
with open(ks_initrd, "rb") as ks_fp:
|
||||
while True:
|
||||
data = ks_fp.read(1024**2)
|
||||
if not data:
|
||||
break
|
||||
initrd_fp.write(data)
|
||||
os.unlink(ks_initrd)
|
||||
|
||||
return qemu_initrd
|
||||
|
||||
class QEMUInstall(object):
|
||||
"""
|
||||
Run qemu using an iso and a kickstart
|
||||
"""
|
||||
# Mapping of arch to qemu command
|
||||
QEMU_CMDS = {"x86_64": "qemu-system-x86_64",
|
||||
"i386": "qemu-system-i386",
|
||||
"arm": "qemu-system-arm",
|
||||
"aarch64": "qemu-system-aarch64",
|
||||
"ppc": "qemu-system-ppc",
|
||||
"ppc64": "qemu-system-ppc64"
|
||||
}
|
||||
|
||||
def __init__(self, opts, iso, ks_paths, disk_img, img_size=2048,
|
||||
kernel_args=None, memory=1024, vcpus=None, vnc=None, arch=None,
|
||||
log_check=None, virtio_host="127.0.0.1", virtio_port=6080,
|
||||
image_type=None, boot_uefi=False, ovmf_path=None):
|
||||
"""
|
||||
Start the installation
|
||||
|
||||
:param iso: Information about the iso to use for the installation
|
||||
:type iso: IsoMountpoint
|
||||
:param list ks_paths: Paths to kickstart files. All are injected, the
|
||||
first one is the one executed.
|
||||
:param str disk_img: Path to a disk image, created it it doesn't exist
|
||||
:param int img_size: The image size, in MiB, to create if it doesn't exist
|
||||
:param str kernel_args: Extra kernel arguments to pass on the kernel cmdline
|
||||
:param int memory: Amount of RAM to assign to the virt, in MiB
|
||||
:param int vcpus: Number of virtual cpus
|
||||
:param str vnc: Arguments to pass to qemu -display
|
||||
:param str arch: Optional architecture to use in the virt
|
||||
:param log_check: Method that returns True if the installation fails
|
||||
:type log_check: method
|
||||
:param str virtio_host: Hostname to connect virtio log to
|
||||
:param int virtio_port: Port to connect virtio log to
|
||||
:param str image_type: Type of qemu-img disk to create, or None.
|
||||
:param bool boot_uefi: Use OVMF to boot the VM in UEFI mode
|
||||
:param str ovmf_path: Path to the OVMF firmware
|
||||
"""
|
||||
# Lookup qemu-system- for arch if passed, or try to guess using host arch
|
||||
qemu_cmd = [self.QEMU_CMDS.get(arch or os.uname().machine, "qemu-system-"+os.uname().machine)]
|
||||
if not os.path.exists("/usr/bin/"+qemu_cmd[0]):
|
||||
raise InstallError("%s does not exist, cannot run qemu" % qemu_cmd[0])
|
||||
|
||||
qemu_cmd += ["-nodefconfig"]
|
||||
qemu_cmd += ["-m", str(memory)]
|
||||
if vcpus:
|
||||
qemu_cmd += ["-smp", str(vcpus)]
|
||||
|
||||
if not opts.no_kvm and os.path.exists("/dev/kvm"):
|
||||
qemu_cmd += ["--machine", "accel=kvm"]
|
||||
|
||||
# Copy the initrd from the iso, create a cpio archive of the kickstart files
|
||||
# and append it to the temporary initrd.
|
||||
qemu_initrd = append_initrd(iso.initrd, ks_paths)
|
||||
qemu_cmd += ["-kernel", iso.kernel]
|
||||
qemu_cmd += ["-initrd", qemu_initrd]
|
||||
|
||||
# Add the disk and cdrom
|
||||
if not os.path.isfile(disk_img):
|
||||
mksparse(disk_img, img_size * 1024**2)
|
||||
drive_args = "file=%s" % disk_img
|
||||
drive_args += ",cache=unsafe,discard=unmap"
|
||||
if image_type:
|
||||
drive_args += ",format=%s" % image_type
|
||||
else:
|
||||
drive_args += ",format=raw"
|
||||
qemu_cmd += ["-drive", drive_args]
|
||||
|
||||
drive_args = "file=%s,media=cdrom,readonly=on" % iso.iso_path
|
||||
qemu_cmd += ["-drive", drive_args]
|
||||
|
||||
# Setup the cmdline args
|
||||
# ======================
|
||||
cmdline_args = "ks=file:/%s" % os.path.basename(ks_paths[0])
|
||||
cmdline_args += " inst.stage2=hd:LABEL=%s" % udev_escape(iso.label)
|
||||
if opts.proxy:
|
||||
cmdline_args += " inst.proxy=%s" % opts.proxy
|
||||
if kernel_args:
|
||||
cmdline_args += " "+kernel_args
|
||||
cmdline_args += " inst.text inst.cmdline"
|
||||
|
||||
qemu_cmd += ["-append", cmdline_args]
|
||||
|
||||
if not opts.vnc:
|
||||
vnc_port = find_free_port()
|
||||
if vnc_port == -1:
|
||||
raise InstallError("No free VNC ports")
|
||||
display_args = "vnc=127.0.0.1:%d" % (vnc_port - 5900)
|
||||
else:
|
||||
display_args = opts.vnc
|
||||
log.info("qemu %s", display_args)
|
||||
qemu_cmd += ["-nographic", "-display", display_args ]
|
||||
|
||||
# Setup the virtio log port
|
||||
qemu_cmd += ["-device", "virtio-serial-pci,id=virtio-serial0"]
|
||||
qemu_cmd += ["-device", "virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0"
|
||||
",id=channel0,name=org.fedoraproject.anaconda.log.0"]
|
||||
qemu_cmd += ["-chardev", "socket,id=charchannel0,host=%s,port=%s" % (virtio_host, virtio_port)]
|
||||
|
||||
# PAss through rng from host
|
||||
if opts.with_rng != "none":
|
||||
qemu_cmd += ["-object", "rng-random,id=virtio-rng0,filename=%s" % opts.with_rng]
|
||||
qemu_cmd += ["-device", "virtio-rng-pci,rng=virtio-rng0,id=rng0,bus=pci.0,addr=0x9"]
|
||||
|
||||
if boot_uefi and ovmf_path:
|
||||
qemu_cmd += ["-drive", "file=%s/OVMF_CODE.fd,if=pflash,format=raw,unit=0,readonly=on" % ovmf_path]
|
||||
|
||||
# Make a copy of the OVMF_VARS.fd for this run
|
||||
ovmf_vars = tempfile.mktemp(prefix="lmc-OVMF_VARS-", suffix=".fd")
|
||||
shutil.copy2(joinpaths(ovmf_path, "/OVMF_VARS.fd"), ovmf_vars)
|
||||
|
||||
qemu_cmd += ["-drive", "file=%s,if=pflash,format=raw,unit=1" % ovmf_vars]
|
||||
|
||||
log.info("Running qemu")
|
||||
log.debug(qemu_cmd)
|
||||
try:
|
||||
execWithRedirect(qemu_cmd[0], qemu_cmd[1:], reset_lang=False, raise_err=True,
|
||||
callback=lambda p: not log_check())
|
||||
except subprocess.CalledProcessError as e:
|
||||
log.error("Running qemu failed:")
|
||||
log.error("cmd: %s", " ".join(e.cmd))
|
||||
log.error("output: %s", e.output or "")
|
||||
raise InstallError("QEMUInstall failed")
|
||||
except (OSError, KeyboardInterrupt) as e:
|
||||
log.error("Running qemu failed: %s", str(e))
|
||||
raise InstallError("QEMUInstall failed")
|
||||
finally:
|
||||
os.unlink(qemu_initrd)
|
||||
if boot_uefi and ovmf_path:
|
||||
os.unlink(ovmf_vars)
|
||||
|
||||
if log_check():
|
||||
log.error("Installation error detected. See logfile for details.")
|
||||
raise InstallError("QEMUInstall failed")
|
||||
else:
|
||||
log.info("Installation finished without errors.")
|
||||
|
||||
|
||||
def novirt_log_check(log_check, proc):
|
||||
"""
|
||||
Check to see if there has been an error in the logs
|
||||
|
||||
:param log_check: method to call to check for an error in the logs
|
||||
:param proc: Popen object for the anaconda process
|
||||
:returns: True if the process has been terminated
|
||||
|
||||
The log_check method should return a True if an error has been detected.
|
||||
When an error is detected the process is terminated and this returns True
|
||||
"""
|
||||
if log_check():
|
||||
proc.terminate()
|
||||
return True
|
||||
return False
|
||||
|
||||
|
||||
def anaconda_cleanup(dirinstall_path):
|
||||
"""
|
||||
Cleanup any leftover mounts from anaconda
|
||||
|
||||
:param str dirinstall_path: Path where anaconda mounts things
|
||||
:returns: True if cleanups were successful. False if any of them failed.
|
||||
|
||||
If anaconda crashes it may leave things mounted under this path. It will
|
||||
typically be set to /mnt/sysimage/
|
||||
|
||||
Attempts to cleanup may also fail. Catch these and continue trying the
|
||||
other mountpoints.
|
||||
"""
|
||||
rc = True
|
||||
dirinstall_path = os.path.abspath(dirinstall_path)
|
||||
# unmount filesystems
|
||||
for mounted in reversed(open("/proc/mounts").readlines()):
|
||||
(_device, mountpoint, _rest) = mounted.split(" ", 2)
|
||||
if mountpoint.startswith(dirinstall_path) and os.path.ismount(mountpoint):
|
||||
try:
|
||||
umount(mountpoint)
|
||||
except subprocess.CalledProcessError:
|
||||
log.error("Cleanup of %s failed. See program.log for details", mountpoint)
|
||||
rc = False
|
||||
return rc
|
||||
|
||||
|
||||
def novirt_install(opts, disk_img, disk_size):
|
||||
"""
|
||||
Use Anaconda to install to a disk image
|
||||
|
||||
:param opts: options passed to livemedia-creator
|
||||
:type opts: argparse options
|
||||
:param str disk_img: The full path to the disk image to be created
|
||||
:param int disk_size: The size of the disk_img in MiB
|
||||
|
||||
This method runs anaconda to create the image and then based on the opts
|
||||
passed creates a qemu disk image or tarfile.
|
||||
"""
|
||||
dirinstall_path = ROOT_PATH
|
||||
|
||||
# Clean up /tmp/ from previous runs to prevent stale info from being used
|
||||
for path in ["/tmp/yum.repos.d/", "/tmp/yum.cache/"]:
|
||||
if os.path.isdir(path):
|
||||
shutil.rmtree(path)
|
||||
|
||||
args = ["--kickstart", opts.ks[0], "--cmdline"]
|
||||
if opts.anaconda_args:
|
||||
for arg in opts.anaconda_args:
|
||||
args += arg.split(" ", 1)
|
||||
if opts.proxy:
|
||||
args += ["--proxy", opts.proxy]
|
||||
if opts.armplatform:
|
||||
args += ["--armplatform", opts.armplatform]
|
||||
|
||||
if opts.make_iso or opts.make_fsimage or opts.make_pxe_live:
|
||||
# Make a blank fs image
|
||||
args += ["--dirinstall"]
|
||||
|
||||
mkext4img(None, disk_img, label=opts.fs_label, size=disk_size * 1024**2)
|
||||
if not os.path.isdir(dirinstall_path):
|
||||
os.mkdir(dirinstall_path)
|
||||
mount(disk_img, opts="loop", mnt=dirinstall_path)
|
||||
elif opts.make_tar or opts.make_oci:
|
||||
# Install under dirinstall_path, make sure it starts clean
|
||||
if os.path.exists(dirinstall_path):
|
||||
shutil.rmtree(dirinstall_path)
|
||||
|
||||
if opts.make_oci:
|
||||
# OCI installs under /rootfs/
|
||||
dirinstall_path = joinpaths(dirinstall_path, "rootfs")
|
||||
args += ["--dirinstall", dirinstall_path]
|
||||
else:
|
||||
args += ["--dirinstall"]
|
||||
|
||||
os.makedirs(dirinstall_path)
|
||||
else:
|
||||
args += ["--image", disk_img]
|
||||
|
||||
# Create the sparse image
|
||||
mksparse(disk_img, disk_size * 1024**2)
|
||||
|
||||
log_monitor = LogMonitor(timeout=opts.timeout)
|
||||
args += ["--remotelog", "%s:%s" % (log_monitor.host, log_monitor.port)]
|
||||
|
||||
# Make sure anaconda has the right product and release
|
||||
log.info("Running anaconda.")
|
||||
try:
|
||||
for line in execReadlines("anaconda", args, reset_lang=False,
|
||||
env_add={"ANACONDA_PRODUCTNAME": opts.project,
|
||||
"ANACONDA_PRODUCTVERSION": opts.releasever},
|
||||
callback=lambda p: not novirt_log_check(log_monitor.server.log_check, p)):
|
||||
log.info(line)
|
||||
|
||||
# Make sure the new filesystem is correctly labeled
|
||||
setfiles_args = ["-e", "/proc", "-e", "/sys", "-e", "/dev",
|
||||
"/etc/selinux/targeted/contexts/files/file_contexts", "/"]
|
||||
|
||||
# setfiles may not be available, warn instead of fail
|
||||
try:
|
||||
if "--dirinstall" in args:
|
||||
execWithRedirect("setfiles", setfiles_args, root=dirinstall_path)
|
||||
else:
|
||||
with PartitionMount(disk_img) as img_mount:
|
||||
if img_mount and img_mount.mount_dir:
|
||||
execWithRedirect("setfiles", setfiles_args, root=img_mount.mount_dir)
|
||||
except (subprocess.CalledProcessError, OSError) as e:
|
||||
log.warning("Running setfiles on install tree failed: %s", str(e))
|
||||
|
||||
except (subprocess.CalledProcessError, OSError) as e:
|
||||
log.error("Running anaconda failed: %s", e)
|
||||
raise InstallError("novirt_install failed")
|
||||
finally:
|
||||
log_monitor.shutdown()
|
||||
|
||||
# Move the anaconda logs over to a log directory
|
||||
log_dir = os.path.abspath(os.path.dirname(opts.logfile))
|
||||
log_anaconda = joinpaths(log_dir, "anaconda")
|
||||
if not os.path.isdir(log_anaconda):
|
||||
os.mkdir(log_anaconda)
|
||||
for l in glob.glob("/tmp/*log")+glob.glob("/tmp/anaconda-tb-*"):
|
||||
shutil.copy2(l, log_anaconda)
|
||||
os.unlink(l)
|
||||
|
||||
# Make sure any leftover anaconda mounts have been cleaned up
|
||||
if not anaconda_cleanup(dirinstall_path):
|
||||
raise InstallError("novirt_install cleanup of anaconda mounts failed.")
|
||||
|
||||
if not opts.make_iso and not opts.make_fsimage and not opts.make_pxe_live:
|
||||
dm_name = os.path.splitext(os.path.basename(disk_img))[0]
|
||||
dm_path = "/dev/mapper/"+dm_name
|
||||
if os.path.exists(dm_path):
|
||||
dm_detach(dm_path)
|
||||
loop_detach(get_loop_name(disk_img))
|
||||
|
||||
# qemu disk image is used by bare qcow2 images and by Vagrant
|
||||
if opts.image_type:
|
||||
log.info("Converting %s to %s", disk_img, opts.image_type)
|
||||
qemu_args = []
|
||||
for arg in opts.qemu_args:
|
||||
qemu_args += arg.split(" ", 1)
|
||||
|
||||
# convert the image to the selected format
|
||||
if "-O" not in qemu_args:
|
||||
qemu_args.extend(["-O", opts.image_type])
|
||||
qemu_img = tempfile.mktemp(prefix="lmc-disk-", suffix=".img")
|
||||
execWithRedirect("qemu-img", ["convert"] + qemu_args + [disk_img, qemu_img], raise_err=True)
|
||||
if not opts.make_vagrant:
|
||||
execWithRedirect("mv", ["-f", qemu_img, disk_img], raise_err=True)
|
||||
else:
|
||||
# Take the new qcow2 image and package it up for Vagrant
|
||||
compress_args = []
|
||||
for arg in opts.compress_args:
|
||||
compress_args += arg.split(" ", 1)
|
||||
|
||||
vagrant_dir = tempfile.mkdtemp(prefix="lmc-tmpdir-")
|
||||
metadata_path = joinpaths(vagrant_dir, "metadata.json")
|
||||
execWithRedirect("mv", ["-f", qemu_img, joinpaths(vagrant_dir, "box.img")], raise_err=True)
|
||||
if opts.vagrant_metadata:
|
||||
shutil.copy2(opts.vagrant_metadata, metadata_path)
|
||||
else:
|
||||
create_vagrant_metadata(metadata_path)
|
||||
update_vagrant_metadata(metadata_path, disk_size)
|
||||
if opts.vagrantfile:
|
||||
shutil.copy2(opts.vagrantfile, joinpaths(vagrant_dir, "vagrantfile"))
|
||||
|
||||
log.info("Creating Vagrant image")
|
||||
rc = mktar(vagrant_dir, disk_img, opts.compression, compress_args, selinux=False)
|
||||
if rc:
|
||||
raise InstallError("novirt_install mktar failed: rc=%s" % rc)
|
||||
shutil.rmtree(vagrant_dir)
|
||||
elif opts.make_tar:
|
||||
compress_args = []
|
||||
for arg in opts.compress_args:
|
||||
compress_args += arg.split(" ", 1)
|
||||
|
||||
rc = mktar(dirinstall_path, disk_img, opts.compression, compress_args)
|
||||
shutil.rmtree(dirinstall_path)
|
||||
|
||||
if rc:
|
||||
raise InstallError("novirt_install mktar failed: rc=%s" % rc)
|
||||
elif opts.make_oci:
|
||||
# An OCI image places the filesystem under /rootfs/ and adds the json files at the top
|
||||
# And then creates a tar of the whole thing.
|
||||
compress_args = []
|
||||
for arg in opts.compress_args:
|
||||
compress_args += arg.split(" ", 1)
|
||||
|
||||
shutil.copy2(opts.oci_config, ROOT_PATH)
|
||||
shutil.copy2(opts.oci_runtime, ROOT_PATH)
|
||||
rc = mktar(ROOT_PATH, disk_img, opts.compression, compress_args)
|
||||
|
||||
if rc:
|
||||
raise InstallError("novirt_install mktar failed: rc=%s" % rc)
|
||||
|
||||
|
||||
def virt_install(opts, install_log, disk_img, disk_size):
|
||||
"""
|
||||
Use qemu to install to a disk image
|
||||
|
||||
:param opts: options passed to livemedia-creator
|
||||
:type opts: argparse options
|
||||
:param str install_log: The path to write the log from qemu
|
||||
:param str disk_img: The full path to the disk image to be created
|
||||
:param int disk_size: The size of the disk_img in MiB
|
||||
|
||||
This uses qemu with a boot.iso and a kickstart to create a disk
|
||||
image and then optionally, based on the opts passed, creates tarfile.
|
||||
"""
|
||||
iso_mount = IsoMountpoint(opts.iso, opts.location)
|
||||
if not iso_mount.stage2:
|
||||
iso_mount.umount()
|
||||
raise InstallError("ISO is missing stage2, cannot continue")
|
||||
|
||||
log_monitor = LogMonitor(install_log, timeout=opts.timeout)
|
||||
|
||||
kernel_args = ""
|
||||
if opts.kernel_args:
|
||||
kernel_args += opts.kernel_args
|
||||
if opts.proxy:
|
||||
kernel_args += " proxy="+opts.proxy
|
||||
|
||||
if opts.image_type and not opts.make_fsimage:
|
||||
qemu_args = []
|
||||
for arg in opts.qemu_args:
|
||||
qemu_args += arg.split(" ", 1)
|
||||
if "-f" not in qemu_args:
|
||||
qemu_args += ["-f", opts.image_type]
|
||||
|
||||
mkqemu_img(disk_img, disk_size*1024**2, qemu_args)
|
||||
|
||||
if opts.make_fsimage or opts.make_tar or opts.make_oci:
|
||||
diskimg_path = tempfile.mktemp(prefix="lmc-disk-", suffix=".img")
|
||||
else:
|
||||
diskimg_path = disk_img
|
||||
|
||||
try:
|
||||
QEMUInstall(opts, iso_mount, opts.ks, diskimg_path, disk_size,
|
||||
kernel_args, opts.ram, opts.vcpus, opts.vnc, opts.arch,
|
||||
log_check = log_monitor.server.log_check,
|
||||
virtio_host = log_monitor.host,
|
||||
virtio_port = log_monitor.port,
|
||||
image_type=opts.image_type, boot_uefi=opts.virt_uefi,
|
||||
ovmf_path=opts.ovmf_path)
|
||||
log_monitor.shutdown()
|
||||
except InstallError as e:
|
||||
log.error("VirtualInstall failed: %s", e)
|
||||
raise
|
||||
finally:
|
||||
log.info("unmounting the iso")
|
||||
iso_mount.umount()
|
||||
|
||||
if log_monitor.server.log_check():
|
||||
if not log_monitor.server.error_line and opts.timeout:
|
||||
msg = "virt_install failed due to timeout"
|
||||
else:
|
||||
msg = "virt_install failed on line: %s" % log_monitor.server.error_line
|
||||
raise InstallError(msg)
|
||||
|
||||
if opts.make_fsimage:
|
||||
make_fsimage(diskimg_path, disk_img, disk_size, label=opts.fs_label)
|
||||
os.unlink(diskimg_path)
|
||||
elif opts.make_tar:
|
||||
compress_args = []
|
||||
for arg in opts.compress_args:
|
||||
compress_args += arg.split(" ", 1)
|
||||
|
||||
with PartitionMount(diskimg_path) as img_mount:
|
||||
if img_mount and img_mount.mount_dir:
|
||||
rc = mktar(img_mount.mount_dir, disk_img, opts.compression, compress_args)
|
||||
else:
|
||||
rc = 1
|
||||
os.unlink(diskimg_path)
|
||||
|
||||
if rc:
|
||||
raise InstallError("virt_install failed")
|
||||
elif opts.make_oci:
|
||||
# An OCI image places the filesystem under /rootfs/ and adds the json files at the top
|
||||
# And then creates a tar of the whole thing.
|
||||
compress_args = []
|
||||
for arg in opts.compress_args:
|
||||
compress_args += arg.split(" ", 1)
|
||||
|
||||
with PartitionMount(diskimg_path, submount="rootfs") as img_mount:
|
||||
if img_mount and img_mount.temp_dir:
|
||||
shutil.copy2(opts.oci_config, img_mount.temp_dir)
|
||||
shutil.copy2(opts.oci_runtime, img_mount.temp_dir)
|
||||
rc = mktar(img_mount.temp_dir, disk_img, opts.compression, compress_args)
|
||||
else:
|
||||
rc = 1
|
||||
os.unlink(diskimg_path)
|
||||
|
||||
if rc:
|
||||
raise InstallError("virt_install failed")
|
||||
elif opts.make_vagrant:
|
||||
compress_args = []
|
||||
for arg in opts.compress_args:
|
||||
compress_args += arg.split(" ", 1)
|
||||
|
||||
vagrant_dir = tempfile.mkdtemp(prefix="lmc-tmpdir-")
|
||||
metadata_path = joinpaths(vagrant_dir, "metadata.json")
|
||||
execWithRedirect("mv", ["-f", disk_img, joinpaths(vagrant_dir, "box.img")], raise_err=True)
|
||||
if opts.vagrant_metadata:
|
||||
shutil.copy2(opts.vagrant_metadata, metadata_path)
|
||||
else:
|
||||
create_vagrant_metadata(metadata_path)
|
||||
update_vagrant_metadata(metadata_path, disk_size)
|
||||
if opts.vagrantfile:
|
||||
shutil.copy2(opts.vagrantfile, joinpaths(vagrant_dir, "vagrantfile"))
|
||||
|
||||
rc = mktar(vagrant_dir, disk_img, opts.compression, compress_args, selinux=False)
|
||||
if rc:
|
||||
raise InstallError("virt_install failed")
|
||||
shutil.rmtree(vagrant_dir)
|
||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue