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< h1 > Source code for pylorax.mount< / h1 > < div class = "highlight" > < pre >
< span class = "c" > # mount.py< / span >
< span class = "c" > #< / span >
< span class = "c" > # Copyright (C) 2011-2015 Red Hat, Inc.< / span >
< span class = "c" > #< / span >
< span class = "c" > # This program is free software; you can redistribute it and/or modify< / span >
< span class = "c" > # it under the terms of the GNU General Public License as published by< / span >
< span class = "c" > # the Free Software Foundation; either version 2 of the License, or< / span >
< span class = "c" > # (at your option) any later version.< / span >
< span class = "c" > #< / span >
< span class = "c" > # This program is distributed in the hope that it will be useful,< / span >
< span class = "c" > # but WITHOUT ANY WARRANTY; without even the implied warranty of< / span >
< span class = "c" > # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the< / span >
< span class = "c" > # GNU General Public License for more details.< / span >
< span class = "c" > #< / span >
< span class = "c" > # You should have received a copy of the GNU General Public License< / span >
< span class = "c" > # along with this program. If not, see < http://www.gnu.org/licenses/> .< / span >
< span class = "c" > #< / span >
< span class = "c" > # Author(s): Brian C. Lane < bcl@redhat.com> < / span >
< span class = "c" > #< / span >
< span class = "kn" > import< / span > < span class = "nn" > logging< / span >
< span class = "n" > log< / span > < span class = "o" > =< / span > < span class = "n" > logging< / span > < span class = "o" > .< / span > < span class = "n" > getLogger< / span > < span class = "p" > (< / span > < span class = "s" > " livemedia-creator" < / span > < span class = "p" > )< / span >
< span class = "kn" > import< / span > < span class = "nn" > os< / span >
< span class = "kn" > from< / span > < span class = "nn" > pylorax.imgutils< / span > < span class = "kn" > import< / span > < span class = "n" > mount< / span > < span class = "p" > ,< / span > < span class = "n" > umount< / span >
< span class = "kn" > from< / span > < span class = "nn" > pylorax.executils< / span > < span class = "kn" > import< / span > < span class = "n" > execWithCapture< / span >
< div class = "viewcode-block" id = "IsoMountpoint" > < a class = "viewcode-back" href = "../../pylorax.html#pylorax.mount.IsoMountpoint" > [docs]< / a > < span class = "k" > class< / span > < span class = "nc" > IsoMountpoint< / span > < span class = "p" > (< / span > < span class = "nb" > object< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " < / span >
< span class = "sd" > Mount the iso and check to make sure the vmlinuz and initrd.img files exist< / span >
< span class = "sd" > Also check the iso for a a stage2 image and set a flag and extract the< / span >
< span class = "sd" > iso' s label.< / span >
< span class = "sd" > stage2 can be either LiveOS/squashfs.img or images/install.img< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > def< / span > < span class = "nf" > __init__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > iso_path< / span > < span class = "p" > ,< / span > < span class = "n" > initrd_path< / span > < span class = "o" > =< / span > < span class = "bp" > None< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " < / span >
< span class = "sd" > Mount the iso< / span >
< span class = "sd" > :param str iso_path: Path to the iso to mount< / span >
< span class = "sd" > :param str initrd_path: Optional path to initrd< / span >
< span class = "sd" > initrd_path can be used to point to a tree with a newer< / span >
< span class = "sd" > initrd.img than the iso has. The iso is still used for stage2.< / span >
< span class = "sd" > self.kernel and self.initrd point to the kernel and initrd.< / span >
< span class = "sd" > self.stage2 is set to True if there is a stage2 image.< / span >
< span class = "sd" > self.repo is the path to the mounted iso if there is a /repodata dir.< / span >
< span class = "sd" > " " " < / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > label< / span > < span class = "o" > =< / span > < span class = "bp" > None< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > iso_path< / span > < span class = "o" > =< / span > < span class = "n" > iso_path< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > initrd_path< / span > < span class = "o" > =< / span > < span class = "n" > initrd_path< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > initrd_path< / span > < span class = "p" > :< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > mount_dir< / span > < span class = "o" > =< / span > < span class = "n" > mount< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > iso_path< / span > < span class = "p" > ,< / span > < span class = "n" > opts< / span > < span class = "o" > =< / span > < span class = "s" > " loop" < / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > mount_dir< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > initrd_path< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > kernel< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > mount_dir< / span > < span class = "o" > +< / span > < span class = "s" > " /isolinux/vmlinuz" < / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > initrd< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > mount_dir< / span > < span class = "o" > +< / span > < span class = "s" > " /isolinux/initrd.img" < / span >
< span class = "k" > if< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > isdir< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > mount_dir< / span > < span class = "o" > +< / span > < span class = "s" > " /repodata" < / span > < span class = "p" > ):< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > repo< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > mount_dir< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > repo< / span > < span class = "o" > =< / span > < span class = "bp" > None< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > stage2< / span > < span class = "o" > =< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > exists< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > mount_dir< / span > < span class = "o" > +< / span > < span class = "s" > " /LiveOS/squashfs.img" < / span > < span class = "p" > )< / span > < span class = "ow" > or< / span > \
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > exists< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > mount_dir< / span > < span class = "o" > +< / span > < span class = "s" > " /images/install.img" < / span > < span class = "p" > )< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "p" > [< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > kernel< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > initrd< / span > < span class = "p" > ]:< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > isfile< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > Exception< / span > < span class = "p" > (< / span > < span class = "s" > " Missing file on iso: {0}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > ))< / span >
< span class = "k" > except< / span > < span class = "p" > :< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > umount< / span > < span class = "p" > ()< / span >
< span class = "k" > raise< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > get_iso_label< / span > < span class = "p" > ()< / span >
< div class = "viewcode-block" id = "IsoMountpoint.umount" > < a class = "viewcode-back" href = "../../pylorax.html#pylorax.mount.IsoMountpoint.umount" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > umount< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Unmount the iso" " " < / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > initrd_path< / span > < span class = "p" > :< / span >
< span class = "n" > umount< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > mount_dir< / span > < span class = "p" > )< / span >
< / div >
< div class = "viewcode-block" id = "IsoMountpoint.get_iso_label" > < a class = "viewcode-back" href = "../../pylorax.html#pylorax.mount.IsoMountpoint.get_iso_label" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > get_iso_label< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " < / span >
< span class = "sd" > Get the iso' s label using isoinfo< / span >
< span class = "sd" > Sets self.label if one is found< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > isoinfo_output< / span > < span class = "o" > =< / span > < span class = "n" > execWithCapture< / span > < span class = "p" > (< / span > < span class = "s" > " isoinfo" < / span > < span class = "p" > ,< / span > < span class = "p" > [< / span > < span class = "s" > " -d" < / span > < span class = "p" > ,< / span > < span class = "s" > " -i" < / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > iso_path< / span > < span class = "p" > ])< / span >
< span class = "n" > log< / span > < span class = "o" > .< / span > < span class = "n" > debug< / span > < span class = "p" > (< / span > < span class = "n" > isoinfo_output< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > line< / span > < span class = "ow" > in< / span > < span class = "n" > isoinfo_output< / span > < span class = "o" > .< / span > < span class = "n" > splitlines< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "n" > line< / span > < span class = "o" > .< / span > < span class = "n" > startswith< / span > < span class = "p" > (< / span > < span class = "s" > " Volume id: " < / span > < span class = "p" > ):< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > label< / span > < span class = "o" > =< / span > < span class = "n" > line< / span > < span class = "p" > [< / span > < span class = "mi" > 11< / span > < span class = "p" > :]< / span >
< span class = "k" > return< / span > < / div > < / div >
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