As described in the comments, sfdisk was rewritten for util-linux 2.26
(as shipped in F22) and now interprets arguments a sectors, rather
than cylinders.
The current partitioning line is "1 - - *" (start/size/type/bootable)
which means you start getting:
---
/usr/sbin/grub2-install: warning: this msdos-style partition label has
no post-MBR gap; embedding won't be possible.
/usr/sbin/grub2-install: warning: Embedding is not possible. GRUB can
only be installed in this setup by using blocklists. However,
blocklists are UNRELIABLE and their use is discoura ged..
/usr/sbin/grub2-install: error: will not proceed with blocklists.
---
when building images, because the start is interpreted by the new
sfdisk as sector 1 and it crams the partition right next to the MBR.
Specifying "-" for the size is undefined in the man page; even reading
the source it's not totally clear what "-" for the size does [2]. In
any case, the alignment is wrong in sectors or cylinders; we want to
be a multiple of 4KiB for best performance.
The intent here is to create one single, Linux, bootable, partition
taking up the whole disk starting at 1MiB, so "2048 + L *" makes this
clear.
We use the -uS argument to ensure both versions treat this start-value
as a sector offset (newer sfdisk essentially ignores the argument).
As described in the comments, bugs in the older sfdisk necessitate
usage of "--force".
Although we could choose more or less, it seems most common to align
to a 1MiB boundary (i.e. starting at sector 2048). libguestfs has
some disucssion around --alignment and where it sets it's default to
this [3]. The 2.26-era sfdisk also defaults to putting partitions
here. 1MiB should be enough for GPT schemes in the future as well.
[1] https://github.com/karelzak/util-linux/blob/master/libfdisk/src/script.c#L1050
[2] https://bugzilla.redhat.com/show_bug.cgi?id=1249893
[3] http://libguestfs.org/virt-resize.1.html
Change-Id: I2c2966f98d1d5ad4ebb433ea148b3b26c65dc1b5
Using "yum --downloadonly" breaks the abstraction of
"install-packages" because it downloads to the yum cache. It also
acts funny if the package is already there.
Add an argument to "-d" which is the directory to download to. dnf
has "download" built in, and for the old case use yumdownloader which
acts about the same. Ensure it is installed, since it comes in
yum-utils.
Also a slight cleanup of the getopt parsing so it's easier to have the
required argument for -d
Thus we can remove most of the stuff in 15-remove-grub. The check for
centos6 and it's lack of grub2 is clarified. All the stuff about
having to remove the package, purging the cache etc so yum gets the
right thing is no longer relevant. The long section of commented out
code at the end is also removed for clarity.
I tested this with an F21, F22 & centos (6) build
Change-Id: Id1e430e7d050a0b99ac449e2ea435e06cda1c4e6
Docker can export root filesystems, which is what we want out of root
elements. Make a very simple passthrough element that will grab a docker
image and export it into a root filesystem.
Change-Id: Ie1e2d5dd5a61558f100e02c953b18d697a8fe8a2
We can already produce tarballs, which is the input format docker import
expects. This makes it trivial to add docker as an output format.
Co-Authored-By: Dan Prince <dprince@redhat.com>
Change-Id: Ib60db3b717d33d4cf3181d70fe0ffbfa86fd5d02
There is a common pattern of if init_system == foo then install init
script foo-service-init into /etc/init... Lets encode this pattern by
allowing elements to put files into init-scripts/init-system directories
and then copying the appropriate files for them.
Change-Id: I541db18a0a8c5e0755a0af5732f4e15a5e5cf984
When building an image having the elements debian and vm, cloud-init
fails with:
ci-info: !!!!!!!!Net device info failed!!!!!!!!
Looking at the source code, it executes ifconfig to gather informations
but the `debian` elements does not provide it. There is also no DHCP
client available which is rather painful.
Install isc-dhcp-client to provide a DHCP client.
Install net-tools to provide ifconfig, required by cloud-init.
Ref: https://phabricator.wikimedia.org/T105152
Change-Id: I76dfd4f87a5c9f08e7c572fb4f5ebeeb34f5f66a
Remove hardcoded refrences for ethernet interfaces from ironic-agent
and sets a dependency on dhcp-all-interfaces to ensure it works for
all interfaces for all other operating systems.
Change-Id: I7ae6d1c5bd9911ef3db45187c0010cf0973badf1
Closes-Bug: #1471802
The fix for static links to the latest image has been rolled out.
Update documentation accordingly.
Change-Id: Ic92d0e1d584ca2bf1d82f411102079cb4455bddb
The init scripts have now been moved in to glean itself, so just consume
them directly.
Change-Id: Ib85128579c62020df23d73404c0563894038d2dd
Depends-On: I2ed25ce434023bfc8b6a88a08c0c06c1cef63982
Glean now supports setting a hostname, lets ask it to do this.
Change-Id: Iea8d210b4b5add8fed4038cf81ce28d1d7c7c1c4
Depends-on: Ia9155bc565ad79af44d88acc06759be2bf4e5f20
This element installs oat-client on the image, that's necessary for
trusted boot feature in Ironic to work. This element only works on Fedora.
Intel TXT will measure BIOS, Option Rom and Kernel/Ramdisk during trusted
boot, the oat-client will securely fetch the hash values from TPM.
Change-Id: I0f1221b5708e9a5792df62ee6e73034f8bf1577c
Passing a source-repositories ref of "*" should signal fetching all
heads similar to when a non-cached ref is requested. Reuse the same
fallback logic, but skip unnecessary checks since "*" is not a real
refname. Also expand the fallback to update tags, and to --purge
local refs that no longer exist on the remote for additional safety.
Change-Id: I4562c9689a8d235ebe09b2f7178aa5890dbc85f1
Temp dirs are created with mktemp and thus belong to the user. There
is no need to chown them unless we used `mount -t tmpfs`.
Move chown under the tmpfs_check conditional.
Change-Id: I37efe18ced3a06d461364dc5cb20600f1527e995
Some minor workarounds for Fedora >= 22 where dnf is the default
package manager. The changes are documented on the Fedora release
notes https://fedoraproject.org/wiki/Changes/ReplaceYumWithDNF
Change-Id: I7d7d6f5d294980dcb217d6190a1efd9e0bbea9a6
Add a YUM variable that defaults to dnf for Fedora 22 and greater. At
this stage the yum element can do double-duty with dnf -- it's mostly
the same. If we find it starts getting too unwieldy we can separate
this later.
Modify the install-packages for yum to use this variable when set, but
default back to "yum" to retain the status-quo.
Change-Id: Ibff71465b392d9f66b6f93955ff9223575d6165c
Installing Python to a ramdisk takes quite a long time because of
the way dracut checks for dependencies of every single file
installed. We could avoid that, but then we might miss a required
library file.
This change alters the installation method to speed up
the process. First, it creates a list of files that are needed and
then installs them all at once using inst_multiple instead of calling
inst on each file separately. This doesn't make a huge difference,
but in my testing it is marginally faster.
Second, and more significantly, we don't need the *.pyo and *.pyc
files as those are simply an optimization to speed up module
loading. Because the deploy ramdisk is a short-lived operation,
we probably lose more time transferring those extra files to the
target system than we save in improved load times.
In my testing, these two changes netted about a 20% improvement
in build times, and about 13% decrease in image size.
Change-Id: Ibc2b778c28fc9fb7177380dffe8dbce5722d0733
Pass an explicit template to mktemp since that is required on Mac OS X.
Hardcoded to /tmp since I did not want to bother validating TMPDIR which
is user supplied.
Explicit define a repeating group which causes a grep error:
repetition-operator operand invalid
Change-Id: Ib23cc15db7f7dfdd611280884e46342562d545df
