Public bug reported:
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)
** Affects: ssh-import-id (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug ec2-images xenial
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https://bugs.launchpad.net/bugs/1570997
Title:
fail if HOME environment variable is not set
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