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2018-06-29Remove cow file early for non-persistent systemsv36Christian Hesse
The kernel has an open file handle after setting up the mapping. We can remove it early to make sure it is gone on shutdown. This helps to keep the cow_device clean for non-persistent systems where cow_directory contains a version specific string. Signed-off-by: Christian Hesse <mail@eworm.de>
2017-10-17use a stronger hashing algorithmChristian Hesse
Nobody wants to use md5 these days... Signed-off-by: Christian Hesse <mail@eworm.de>
2017-03-14Handle case where ip=dhcpupstreamMasterDavid Thurstenson
Signed-off-by: David Thurstenson <thurstylark@gmail.com>
2017-03-14Add timeout to ipconfig callDavid Thurstenson
Signed-off-by: David Thurstenson <thurstylark@gmail.com>
2016-09-29pxe-common: not only search, but also domain entry in resolv.confChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2016-09-29pxe-common: add dns domain name in resolv.confChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2016-09-29pxe-common: add a comment what added settings to resolv.confChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2016-07-05always set copytoram for pxe boot via httpChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2016-05-29fix indention and add EditorConfig configurationChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2016-05-28flush and set down only if boot interface is knownChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2016-05-27do not declare bootif_dev localChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2016-05-27use ip syntax according to ip-address(8)Christian Hesse
According to ip-address(8) flushing an interface requires the keyword 'dev'. Also add proper quoting. Signed-off-by: Christian Hesse <mail@eworm.de>
2016-05-25move modprobe to run_earlyhook()Christian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2016-05-24only run pxe late hook if $ip is givenChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2016-05-24fix NBD boot without copy-to-ramChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2016-03-18[archiso] Set net iface down if copytoram=y (default)Gerardo Exequiel Pozzi
This should fix FS#36749 Also flush address on specified device (default) Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@gmail.com>
2016-02-28Add the verify=y option to verify the squashfs signature with gpgThomas Bächler
2016-02-04fix boot parameters for mount optionsChristian Hesse
Fixes: 03c296cb4f031148f657b8924460a30c5c9dfecc Signed-off-by: Christian Hesse <mail@eworm.de>
2015-12-13add boot params archisoflags= and cow_flags= for mount optionsChristian Hesse
Having files on btrfs subvolumes requires to give mount options. Add boot params archisoflags= and cow_flags= for this purpose. Boot parameters could look like this: ... archisodevice=/dev/sdaX archisoflags=subvolume=isos cow_device=/dev/sdaX cow_flags=subvolume=persist ... Signed-off-by: Christian Hesse <mail@eworm.de>
2015-09-13cleaner boot from loopmounted iso fileAdam Purkrt
Currently, when booting loopmounted iso file, it is necessary to specify not only img_dev and img_loop (which should be sufficient), but also archisolabel or archisodevice. With this patch, archisodevice is directly populated with the correct loop device, and it is not necessary to specify the label when booting from loopmounted iso, which makes for leaner and cleaner grub.cfg.
2015-06-24flush ip addresses after copy to RAMChristian Hesse
We received an IP address from DHCP server and configure it statically. This is required if we continue to use network connectivity to access the root device (for example via NBD or NFS). The lease is not updated, though. This can cause trouble in networks with low lease times. So let's flush the addresses if root filesystem has been copied to RAM. A dhcp client in main system can handle the network connectivity then. Signed-off-by: Christian Hesse <mail@eworm.de>
2015-05-29limit access to cow directoryChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2015-05-29launch interactive shell if ipconfig failsChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2015-05-29explicitly detach loop device on umount and silent losetup errorChristian Hesse
Umount detaches the loop device automatically, but let's make it explicit to be sure. Additionally losetup gives: losetup: /dev/loop0: detach failed: No such device or address This is kind of expected, let's silent the error message. Signed-off-by: Christian Hesse <mail@eworm.de>
2015-01-27[archiso] Rename cowfile_size to cow_spacesize=Gerardo Exequiel Pozzi
The name is more relevant since the usage is shared for both dm-snapshot and overlayfs. Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@gmail.com>
2015-01-27[archiso] Add optional OverlayFS supportGerardo Exequiel Pozzi
This is the first attemp to test overlayfs in archiso. The current dm-snapshot mode is keep and is enabled by default, while the new mode is enabled via "-s sfs" to mkarchiso. No new boot parameters are added, since archiso hooks detects if the .sfs file is for dm-snapshot (airootfs.img inside) or for overlayfs. Persistence is supported in overlayfs mode using the same options (cowlabel or cowdevice), but warning while in dm-snapshot mode, only one file is used (airootfs.cow), in overlayfs mode internal files for workdir/ and upperdir/ are allocated, so you can not use VFAT or NTFS. To test this, you need to enable [testing] in pacman.conf from releng profile and edit build.sh then add "-s sfs" in make_prepare() Look at: setarch ${arch} mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" prepare Replace with: setarch ${arch} mkarchiso ${verbose} -w "${work_dir}" -s sfs -D "${install_dir}" prepare The build requires just half of space that the build for dm-snapshot, since there is no ext4 img ;) Just to remember: there is no space gain in .sfs (just about 2M) There is at least one thing during boot with machine-id service: Dec 24 03:31:39 archiso systemd-machine-id-commit[183]: Failed to unmount transient /etc/machine-id file in our private namespace: Invalid argument Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@gmail.com>
2015-01-02allow to change dm snapshot chunksizeChristian Hesse
Copying big amount of data results in bad performance as data is written in chunks of 4kiB (8 * 512 bytes). The default is not changed but can be overwritten. Signed-off-by: Christian Hesse <mail@eworm.de>
2015-01-02use consistent syntax for boot parameter processingChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2014-12-13[archiso] Merge cowspace_size= option in cowfile_size=Gerardo Exequiel Pozzi
Since now cowspace_size == cowfile_size (only one file inside) Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@gmail.com>
2014-10-13[archiso] Change cowfile_size= behaviorGerardo Exequiel Pozzi
Move from percent to explicit size and set a default of 256M (sparse) Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@gmail.com>
2014-08-12archiso_pxe_http: Fix location of airootfs.md5Lukas Fleischer
Currently, when booting via HTTP, the airootfs.md5 file is downloaded to /run/archiso/bootmnt/arch/. However, the checksum file is later assumed to be located at "/run/archiso/bootmnt/arch/${arch}". Fix the _curl_get invocation and directly place the file in the right directory. Fixes a regression introduced in commit b3e1d31 ([archiso] Rework checksum function, 2014-06-28). Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
2014-08-08Reintroduce the possibility to force an architectureLukas Fleischer
Among other things, 36459f3 ([archiso] Drop aitab support, 2014-06-28) removed the possibility to manually set a specific architecture by using kernel parameters. This, however, is useful, e.g. when installing Arch Linux on a device that reports itself as i586 but works fine with the i686 flavor. Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
2014-06-28[archiso] Rework checksum functionGerardo Exequiel Pozzi
2014-06-28[archiso] rename airootfs.fs.sfs to airootfs.sfsGerardo Exequiel Pozzi
* Make it ISO9660 friendly (extra dot "." is replaced by "_") * Was used when support both .fs.sfs and .sfs
2014-06-28[archiso] Drop aitab supportGerardo Exequiel Pozzi
Always create one filesystem of a fixed size (32G), format (ext4) and know name "airootfs". Simplify logic a lot.
2013-01-08[archiso] Avoid integer overflow when .fs is > 10.2GGerardo Exequiel Pozzi
2012-10-16[archiso] Allow set copytoram=n for NBD/NFSGerardo Exequiel Pozzi
On low memory systems installing via PXE is not possible. Do not force copytoram=y for NFS/NDB. Broken/hang things: * On shutdown. * On run-time if some network settings changed. Implements FS#32006. Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
2012-10-13[archiso] Introduce cowfile_size= bootparamGerardo Exequiel Pozzi
If not set, nothing is changed in current behaviour. Since dm-snapshot allows to use as "COW" a file with any size, without caring about the the size of "origin", we can avoid creating a "COW" file of the same size as the "origin". This is really useful, when using as cow_device= a filesystem that is VFAT where sparse files are not supported, so if root-image.fs is 1000M, passing cowfile_size=25% will create a root-image.cow of 250M instead of 1000M. Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
2012-10-06Use tmpfs for /etc/pacman.d/gnupg instead of a symlink to /runPierre Schmitz
This fixes FS#31815 Signed-off-by: Pierre Schmitz <pierre@archlinux.de>
2012-08-25[archiso] Rework Makefile / Reorder filesGerardo Exequiel Pozzi
Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
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