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72 commits

Author SHA1 Message Date
Christian Kellner
7a250188bf image-info: move image opening to own function 
Move the code of the current main into is own method and call that
from main. This prepares support for analyzing other types than
images. Additionally, add argument parsing via argparse to get a
help texts.
 2020-06-08 21:22:54 +02:00
Martin Sehnoutka
bceb51b330 tools/image-info: dont fail if /boot/grub2/grubenv is missing 
The file is missing on non-bootable images and we skip missing files in
all other cases. Do it in this one as well.
 2020-04-11 13:10:13 +02:00
Martin Sehnoutka
1ae1131fe4 image-info: report errors from subprocess calls 
The subproces.check_output function hides the output of the subprocess
it runs, using subprocess.run directly enable us to see the errors.
 2020-04-08 10:27:26 +02:00
Ondřej Budai
a040369513 tools/image-info: deduplicate and sort the services 
systemctl list-unit-files doesn't produce machine readable output.
parse_unit_files isn't very good at reading it and can produce duplicate
records.

This commit fixes it by deduplicating and sorting the units. This is a bit
hacky solution, but should work just alright. In the future we might
dump list-unit-files and do the job ourself, but let's not recreate the
systemd logic for now.
 2020-03-25 16:14:43 +01:00
Ondřej Budai
9b3375ccca tools/image-info: fix crash when parsing output from systemd >245 
systemd 245 added a third column to systemctl list-unit-files, causing
the unpacking to fail.
 2020-03-25 16:14:43 +01:00
Ondřej Budai
4c93d5a045 tools/image-info: fix warning when running with python 3.8 
Python 3.8 introduced this warning:

tools/image-info:53: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if line[0] is '#':

This commit fixes this warning. More info in Python 3.8 release notes:
https://docs.python.org/3.8/whatsnew/3.8.html#changes-in-python-behavior
 2020-03-25 16:14:43 +01:00
Tom Gundersen
f97ab01b4c image-info: cleanup 
Follow standard python coding style.

No functional change.

Signed-off-by: Tom Gundersen <teg@jklm.no>
 2020-03-13 15:00:24 +01:00
Christian Kellner
0cf8a20744 image-info: mount ESP at /boot/efi if found 
If we detect a ESP (via its type UUID) remember it and mount it at
any filesystem that has a /boot/efi (there should in theory be
only one). This is needed so grubenv can be read, which is likely
a link from /boot/grub2/grubenv to ../efi/EFI/$vendor/grubenv.
Additionally this will make rpm verify not report that all the efi
binaries are missing, e.g.:
"missing": [
      "/boot/efi/EFI",
      "/boot/efi/EFI/BOOT",
      "/boot/efi/EFI/BOOT/BOOTIA32.EFI",
      "/boot/efi/EFI/BOOT/BOOTX64.EFI",
      "/boot/efi/EFI/BOOT/fbia32.efi",
      "/boot/efi/EFI/BOOT/fbx64.efi",
      "/boot/efi/EFI/fedora",
      "/boot/efi/EFI/fedora",
      ...
 2019-12-09 18:08:52 +01:00
Tom Gundersen
d1d3768d9d image-info: include more properties 
This gets us closer to returning all the properties we support as
customizations.

Signed-off-by: Tom Gundersen <teg@jklm.no>
 2019-11-26 13:48:09 +01:00
Tom Gundersen
eee08c41ac image-info: support images with empty partitions 
Official RHEL EC2 images come with an empty partition, simply ignore
it rather than fail.

Signed-off-by: Tom Gundersen <teg@jklm.no>
 2019-11-24 17:43:00 +01:00
Tom Gundersen
18934d4249 tools/image-info: add support for naked partitions 
In case there is no partition table, we assume the whole image is
one big partition and treat is as such.

Signed-off-by: Tom Gundersen <teg@jklm.no>
 2019-10-25 11:46:25 +02:00
Lars Karlitski
2854b2938e image-info: don't use rpm --verify with --root 
RPM uses the host's passwd instead of that in the target to get uid
and gid mappings.

Run it in a chroot to work around this bug.
 2019-10-05 14:47:35 +02:00
Lars Karlitski
5040e6b427 image-info: sort bootmenu entries 
The order doesn't matter, but should be the same between different runs
of image-info.
 2019-10-04 01:51:07 +02:00
Tom Gundersen
41c6f5dd0b image-info: include partition table id 
Signed-off-by: Tom Gundersen <teg@jklm.no>
 2019-10-03 12:35:51 +02:00
Lars Karlitski
b170ea036c image-info: include output from rpm --verify 
This shows the changes an image has relative to what its rpm database
thinks is installed. Output is:

    "rpm-verify": {
        "missing": [ <missing files> ],
        "changed": { <map from filename to rpm attribute octet > }
    }

Alas, this makes running image-info slower.
 2019-10-01 17:05:10 +02:00
Lars Karlitski
01b7402ce2 image-info: include partition label and uuid 2019-09-30 22:28:28 +02:00
Lars Karlitski
9867846ff4 tools/image-info: consistent use of - over _ 
And remove a stray comment and whitespace.
 2019-09-30 22:28:28 +02:00
Tom Gundersen
e43955a4c5 image-info: include the image format 
Use qemu-img to query the image format and include that in the report.

Signed-off-by: Tom Gundersen <teg@jklm.no>
 2019-09-30 15:15:14 +02:00
Lars Karlitski
bf3d7fcdca image-info: add basic support for multiple partitions 
For each partition, find out if its the root or boot partition and
gather only the relevant information. Make sure that we don't get
information from /boot twice.
 2019-09-30 13:32:53 +02:00
Lars Karlitski
172a23bdb2 image-info: bootloader=unknown instead of creashing 2019-09-30 13:32:53 +02:00
Lars Karlitski
457f5f697e image-info: assume bootable=False if key is not present 
sfdisk doesn't include the "bootable" key in its output when a partition
is not marked as bootable.
 2019-09-30 13:32:53 +02:00
Lars Karlitski
5fbc734a15 tools: add image-info 
Rough draft of image-info, a tool that extracts high-level information
about an os image. It prints this information in JSON form on stdout.
Run it like this:

  $ tools/image-info <image>

It supports all images that qemu-ndb supports.
 2019-09-29 13:44:56 +02:00