I just ran into this bug myself.
2021-08-04 13:04:35.136 5167 ERROR oslo_messaging.rpc.server Command: scp -r
blade04-openstack:/var/lib/nova/instances/_base/629cc7c40ea2b906422db31fa818aa88b8886310
/var/lib/nova/instances/_base/629cc7c40ea2b906422db31fa818aa88b8886310
2021-08-04 13:04:35.136 5167 ERROR oslo_messaging.rpc.server Exit code: 1
2021-08-04 13:04:35.136 5167 ERROR oslo_messaging.rpc.server Stdout: ''
2021-08-04 13:04:35.136 5167 ERROR oslo_messaging.rpc.server Stderr:
'@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r\n@
WARNING: UNPROTECTED PRIVATE KEY FILE!
@\r\n@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r\nPermissions
0644 for \'/var/lib/nova/.ssh/id_rsa\' are too open.\r\nIt is required that
your private key files are NOT accessible by others.\r\nThis private key will
be ignored.\r\nLoad key "/var/lib/nova/.ssh/id_rsa": bad
permissions\r\nnova@blade04-openstack: Permission denied (publickey).\r\n'
2021-08-04 13:04:35.136 5167 ERROR oslo_messaging.rpc.server
09:10




ok interesting that changed during the package upgrades all other servers are
correct
** Also affects: nova
Importance: Undecided
Status: New
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1904580
Title:
Permissions 0644 for '/var/lib/nova/.ssh/id_rsa' are too open
Status in OpenStack nova-compute charm:
New
Status in OpenStack Compute (nova):
New
Bug description:
Charm revision: 320
Cloud: bionic-ussuri
Permissions 0644 for '/var/lib/nova/.ssh/id_rsa' are too open.
Load key "/var/lib/nova/.ssh/id_rsa": bad permissions
[email protected]: Permission denied (publickey).
This was preventing nova resizing:
/var/log/nova/nova-compute.log:2020-11-17 13:14:42.210 100221 ERROR
oslo_messaging.rpc.server Command: ssh -o BatchMode=yes 10.35.80.49
mkdir -p /var/lib/nova/instances/39caee98-b81c-4cef-9810-815f2ecf1fc4
Manually setting to 0600 fixed the issue.
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