def mount_existing_system(storage, root_device, read_only=None):
"""Mount filesystems specified in root_device's /etc/fstab file."""
root_path = conf.target.physical_root
read_only = "ro" if read_only else ""
# Mount the root device.
if root_device.protected and os.path.ismount("/mnt/install/isodir"):
blivet_util.mount("/mnt/install/isodir",
root_path,
fstype=root_device.format.type,
options="bind")
else:
root_device.setup()
root_device.format.mount(chroot=root_path,
mountpoint="/",
options="%s,%s" % (root_device.format.options, read_only))
# Set up the sysroot.
util.set_system_root(root_path)
# Mount the filesystems.
storage.fsset.parse_fstab(chroot=root_path)
storage.fsset.mount_filesystems(root_path=root_path, read_only=read_only, skip_root=True)
# Turn on swap.
if not conf.target.is_image or not read_only:
try:
storage.fsset.turn_on_swap(root_path=root_path)
except StorageError as e:
log.error("Error enabling swap: %s", str(e))
# Generate mtab.
if not read_only:
storage.make_mtab(chroot=root_path)
def mount_filesystems(self):
root_path = conf.target.physical_root
# Mount the root and the filesystems.
self.fsset.mount_filesystems(root_path=root_path)
# Set up the sysroot.
util.set_system_root(root_path)
def run(self):
sysroot_file = Gio.File.new_for_path(self._physroot)
sysroot = OSTree.Sysroot.new(sysroot_file)
sysroot.load(None)
deployments = sysroot.get_deployments()
assert len(deployments) > 0
deployment = deployments[0]
deployment_path = sysroot.get_deployment_directory(deployment)
set_system_root(deployment_path.get_path())
def install(self):
mainctx = create_new_context()
mainctx.push_thread_default()
cancellable = None
gi.require_version("OSTree", "1.0")
gi.require_version("RpmOstree", "1.0")
from gi.repository import OSTree, RpmOstree
ostreesetup = self.data.ostreesetup
log.info("executing ostreesetup=%r", ostreesetup)
# Initialize the filesystem - this will create the repo as well
self._safe_exec_with_redirect("ostree", [
"admin", "--sysroot=" + conf.target.physical_root, "init-fs",
conf.target.physical_root
])
# Here, we use the physical root as sysroot, because we haven't
# yet made a deployment.
sysroot_file = Gio.File.new_for_path(conf.target.physical_root)
sysroot = OSTree.Sysroot.new(sysroot_file)
sysroot.load(cancellable)
repo = sysroot.get_repo(None)[1]
# We don't support resuming from interrupted installs
repo.set_disable_fsync(True)
self._remoteOptions = {}
if hasattr(ostreesetup, 'nogpg') and ostreesetup.nogpg:
self._remoteOptions['gpg-verify'] = Variant('b', False)
if not conf.payload.verify_ssl:
self._remoteOptions['tls-permissive'] = Variant('b', True)
repo.remote_change(None, OSTree.RepoRemoteChange.ADD_IF_NOT_EXISTS,
ostreesetup.remote, ostreesetup.url,
Variant('a{sv}', self._remoteOptions), cancellable)
# Variable substitute the ref: https://pagure.io/atomic-wg/issue/299
ref = RpmOstree.varsubst_basearch(ostreesetup.ref)
progressQ.send_message(
_("Starting pull of %(branchName)s from %(source)s") % {
"branchName": ref,
"source": ostreesetup.remote
})
progress = OSTree.AsyncProgress.new()
progress.connect('changed', self._pull_progress_cb)
pull_opts = {'refs': Variant('as', [ref])}
# If we're doing a kickstart, we can at least use the content as a reference:
# See <https://github.com/rhinstaller/anaconda/issues/1117>
# The first path here is used by <https://pagure.io/fedora-lorax-templates>
# and the second by <https://github.com/projectatomic/rpm-ostree-toolbox/>
if OSTree.check_version(2017, 8):
for path in ['/ostree/repo', '/install/ostree/repo']:
if os.path.isdir(path + '/objects'):
pull_opts['localcache-repos'] = Variant('as', [path])
break
try:
repo.pull_with_options(ostreesetup.remote,
Variant('a{sv}', pull_opts), progress,
cancellable)
except GError as e:
exn = PayloadInstallError("Failed to pull from repository: %s" % e)
log.error(str(exn))
if errors.errorHandler.cb(exn) == errors.ERROR_RAISE:
progressQ.send_quit(1)
util.ipmi_abort(scripts=self.data.scripts)
sys.exit(1)
log.info("ostree pull: %s", progress.get_status() or "")
progressQ.send_message(_("Preparing deployment of %s") % (ref, ))
# Now that we have the data pulled, delete the remote for now.
# This will allow a remote configuration defined in the tree
# (if any) to override what's in the kickstart. Otherwise,
# we'll re-add it in post. Ideally, ostree would support a
# pull without adding a remote, but that would get quite
# complex.
repo.remote_delete(self.data.ostreesetup.remote, None)
self._safe_exec_with_redirect("ostree", [
"admin", "--sysroot=" + conf.target.physical_root, "os-init",
ostreesetup.osname
])
admin_deploy_args = [
"admin", "--sysroot=" + conf.target.physical_root, "deploy",
"--os=" + ostreesetup.osname
]
admin_deploy_args.append(ostreesetup.remote + ':' + ref)
log.info("ostree admin deploy starting")
progressQ.send_message(_("Deployment starting: %s") % (ref, ))
self._safe_exec_with_redirect("ostree", admin_deploy_args)
log.info("ostree admin deploy complete")
progressQ.send_message(_("Deployment complete: %s") % (ref, ))
# Reload now that we've deployed, find the path to the new deployment
sysroot.load(None)
deployments = sysroot.get_deployments()
assert len(deployments) > 0
deployment = deployments[0]
deployment_path = sysroot.get_deployment_directory(deployment)
util.set_system_root(deployment_path.get_path())
try:
self._copy_bootloader_data()
except (OSError, RuntimeError) as e:
exn = PayloadInstallError("Failed to copy bootloader data: %s" % e)
log.error(str(exn))
if errors.errorHandler.cb(exn) == errors.ERROR_RAISE:
progressQ.send_quit(1)
util.ipmi_abort(scripts=self.data.scripts)
sys.exit(1)
mainctx.pop_thread_default()
def umount_filesystems(self, swapoff=True):
# Unmount the root and the filesystems.
self.fsset.umount_filesystems(swapoff=swapoff)
# Unmount the sysroot.
util.set_system_root(None)
