Hi Scott and Dustin, long time no see :-)
I guess none of you bothers about this being fixed in Xenial anymore, let me
update the assignments and status to reflect that.
** Changed in: ssh-import-id (Ubuntu Xenial)
Status: Triaged => Won't Fix
** Changed in: ssh-import-id (Ubuntu Xenial)
Assignee: Scott Moser (smoser) => (unassigned)
** Changed in: ssh-import-id (Ubuntu)
Assignee: Dustin Kirkland (kirkland) => (unassigned)
** Changed in: ssh-import-id
Assignee: Dustin Kirkland (kirkland) => (unassigned)
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1570997
Title:
fail if HOME environment variable is not set
Status in ssh-import-id:
Fix Released
Status in ssh-import-id package in Ubuntu:
Fix Released
Status in ssh-import-id source package in Xenial:
Won't Fix
Status in ssh-import-id source package in Bionic:
Fix Released
Bug description:
=== Begin SRU Template ===
[Impact]
Running ssh-import-id without environment variable HOME set
will fail and print an error message like:
TypeError: join() argument must be str or bytes, not 'NoneType'
[Test Case]
$ name="my-x"
$ ud=$(printf '%s\n%s\n' '#!/bin/sh' 'ssh-import-id smoser')
$ lxc launch ubuntu-daily:xenial "$name" "--config=user.user-data=$ud"
To see failure, you can then just:
$ lxc exec "$name" -- cat /run/cloud-init/result.json
{
"v1": {
"datasource": "DataSourceHetzner",
"errors": [
"('scripts-user', RuntimeError('Runparts: 1 failures in 1 attempted
commands',))"
]
}
}
$ lxc exec "$name" -- grep "ssh-import-id lp:smoser"
/root/.ssh/authorized_keys &&
echo GOOD || echo FAIL
[Regression Potential]
Regression is unlikely. The code only does anything if HOME is not present.
This has been in Artful and Bionic since 2016-09-16.
[Other Info]
Upstream merge proposal:
https://code.launchpad.net/~smoser/ssh-import-id/trunk.lp1570997/+merge/326692
=== End SRU Template ===
I've modified /usr/bin/ssh-import-id to show a stack trace rather than
unhelpful message:
TypeError: join() argument must be str or bytes, not 'NoneType'
Then, running:
$ env -u HOME ssh-import-id smoser
Traceback (most recent call last):
File "/usr/bin/ssh-import-id", line 62, in <module>
main()
File "/usr/bin/ssh-import-id", line 45, in main
k = import_keys(proto, username, parser.options.useragent)
File "/usr/lib/python3/dist-packages/ssh_import_id/__init__.py", line 204,
in import_keys
local_keys = key_list(read_keyfile())
File "/usr/lib/python3/dist-packages/ssh_import_id/__init__.py", line 135,
in read_keyfile
output_file = parser.options.output or os.path.join(os.getenv("HOME"),
".ssh", "authorized_keys")
File "/usr/lib/python3.5/posixpath.py", line 89, in join
genericpath._check_arg_types('join', a, *p)
File "/usr/lib/python3.5/genericpath.py", line 143, in _check_arg_types
(funcname, s.__class__.__name__)) from None
TypeError: join() argument must be str or bytes, not 'NoneType'
I came to find this by trying to launch an instance with:
$ ec2metadata --user-data
#!/bin/sh
exec >/my.log 2>&1
cat /proc/uptime
date -R
ssh-import-id smoser
The basic issue is that the environment that cloud-init runs in does
not have HOME set.
I suggest using os.path.expanduser
def authorized_key_file():
return os.path.join(os.path.expanduser("~"), ".ssh",
"authorized_keys")
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ssh-import-id 5.5-0ubuntu1 [modified: usr/bin/ssh-import-id]
ProcVersionSignature: User Name 4.4.0-18.34-generic 4.4.6
Uname: Linux 4.4.0-18-generic x86_64
ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
Date: Fri Apr 15 17:36:09 2016
Ec2AMI: ami-929f8cf8
Ec2AMIManifest:
ubuntu-us-east-1/images-testing/hvm-instance/ubuntu-xenial-daily-amd64-server-20160412.manifest.xml
Ec2AvailabilityZone: us-east-1c
Ec2InstanceType: m3.medium
Ec2Kernel: unavailable
Ec2Ramdisk: unavailable
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: ssh-import-id
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/ssh-import-id/+bug/1570997/+subscriptions
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