Public bug reported:
Situation: (focal) ubuntu-minimal + linux-virtual-hwe-20.04 +
linux-cloud-tools-virtual-hwe-20.04
Running as a Gen-2 Hyper-V guest on Windows 10.
1) Ubuntu release
Description: Ubuntu 20.04.1 LTS
Release: 20.04
2) package versions
linux-cloud-tools-5.4.0-52:
Installed: 5.4.0-52.57
linux-cloud-tools-common:
Installed: 5.4.0-52.57
3) expected behavior
hv_kvp_daemon should work out of the box, providing information to the
Hyper-V host.
4) actual behavior
hv_kvp_daemon logs errors about not finding files it needs to provide
the information:
hv_kvp_daemon[276209]: sh: 1: /usr/libexec/hypervkvpd/hv_get_dns_info: not found
hv_kvp_daemon[276211]: sh: 1: /usr/libexec/hypervkvpd/hv_get_dhcp_info: not
found
5) anasysis
The actual hv_kvp_daemon binary is hardcoded with a path to the sub-
utilities it uses (I don't think it is runtime configurable).
$ strings /usr/lib/linux-tools-5.4.0-52/hv_kvp_daemon | grep libexec
/usr/libexec/hypervkvpd/%s
/usr/libexec/hypervkvpd/%s %s
These binaries are instead located at:
$ locate hv_get_dns_info
/usr/sbin/hv_get_dns_info
Suggested solution: either compile hv_kvp_daemon so it uses /usr/sbin
instead of /usr/libexec/hypervkvpd, or (probably easier) make linux-
cloud-tools-common install the scripts in /usr/libexec/hypervkvpd
instead of in /usr/sbin, or (easiest) install an extra symlink as in the
workaround below.
6) workaround
$ sudo mkdir /usr/libexec
$ sudo ln -s /usr/sbin /usr/libexec/hypervkvpd
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1903391
Title:
linux-cloud-tools and linux-cloud-tools-common disagree on file paths
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