Use multiple lower layer directories in a single OverlayFS mount with
a transient overlay directory.
Tolerate a command line with rd.live.overlay.readonly and NO persistent
overlay by reconfiguring the OverlayFS mount options.
Use more compatible shell syntax for testing symlinks, and use printf
instead of echo -e.
Adjust sysroot.mount configuration for rd.live.overlay.overlayfs option.
Use link at /dev/root as a consistent flag for wait_for_dev.
Adjust documentation.
JobRunningTimeoutSec now affects how long can start jobs for device
units stay in the "running" state. Disabling default job timeout via
JobTimeoutSec=0 doesn't disable running state timeout. We need to set
running state timeout as well.
Note that doing this the other way around has effect on generic timeout,
i.e. disabling running state timeout disables generic timeout. But doing
it this way we would create implicit dependency on fairly new
systemd-234. However, by setting both options we don't create dependency
on specific systemd version.
This is a further improvement on PR #105 which re-adds support for nfs:// urls to root=live:nfs://... Symptoms prior to applying this patch are that sysroot.mount times out when following the nfs:// syntax for the path to the live image. An additional case is added to livenet-generator to support the nfs protocol.
Resolves issues where systemd attempts to boot a live URL as an NFS mount.
This patch uses systemd's generator arg[2] to generate an early sysroot.mount
that preempts systemd-fstab-generator.
See https://bugzilla.redhat.com/show_bug.cgi?id=1280103
copytree() recursively copies the contents of SRC into DEST.
If DEST doesn't exist it is created; if it exists the contents of SRC
get merged into it (duplicate files are overwritten).
rd.neednet could be removed, as we can check /tmp/net.ifaces.
After this patch, kdump can bring up the NIC without
rd.neednet.
Cc: Harald Hoyer <harald@redhat.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
live.updates allows you to specify the URL for an "updates image" that
should be applied to the live runtime before switch_root.
The URL can be anything supported by url-lib (http, https, ftp, possibly
nfs) and the image can be anything supported by img-lib (xz/gzip
compressed cpio/tar, uncompressed cpio/tar, filesystem image, etc.)
This makes the livenetroot module use url-lib for fetching its root
image/filesystem. There's also some minor tweaks for POSIX compliance.
Signed-off-by: Will Woods <wwoods@redhat.com>
The livenet module allows you to use a root arg like:
root=live:http://server.name/path/to/live.img ip=dhcp
The named live image will be downloaded with wget and then set up as the
root device.
It currently supports FTP, HTTP, and HTTPS. dracut will try to install
the CA bundle (/etc/ssl/certs/ca-bundle.crt) into the initramfs so that
SSL certificate checking will work properly.
If an HTTPS URL is given and the site fails the certificate check, the
file will be rejected and the system will not boot into it.
Signed-off-by: Will Woods <wwoods@redhat.com>
Frederick Grose