Public bug reported:
In minimal cloud images without openssh-server, cloud-init will get the
following traceback.
2022-04-19 20:42:32,593 - stages.py[DEBUG]: Running module set-passwords
(<module 'cloudinit.config.cc_set_passwords' from
'/usr/lib/python3.6/site-packages/cloudinit/config/cc_set_passwords.py'>) with
frequency once-per-instance
2022-04-19 20:42:32,593 - handlers.py[DEBUG]: start:
modules-config/config-set-passwords: running config-set-passwords with
frequency once-per-instance
2022-04-19 20:42:32,593 - util.py[DEBUG]: Writing to
/var/lib/cloud/instances/rocky-8/sem/config_set_passwords - wb: [644] 24 bytes
2022-04-19 20:42:32,593 - helpers.py[DEBUG]: Running config-set-passwords using
lock (<FileLock using file
'/var/lib/cloud/instances/rocky-8/sem/config_set_passwords'>)
2022-04-19 20:42:32,594 - ssh_util.py[DEBUG]: line 1: option
PasswordAuthentication added with no
2022-04-19 20:42:32,594 - util.py[DEBUG]: Writing to /etc/ssh/sshd_config - wb:
[644] 26 bytes
2022-04-19 20:42:32,594 - subp.py[DEBUG]: Running command ['service', 'sshd',
'restart'] with allowed return codes [0] (shell=False, capture=True)
2022-04-19 20:42:32,620 - handlers.py[DEBUG]: finish:
modules-config/config-set-passwords: FAIL: running config-set-passwords with
frequency once-per-instance
2022-04-19 20:42:32,621 - util.py[WARNING]: Running module set-passwords
(<module 'cloudinit.config.cc_set_passwords' from
'/usr/lib/python3.6/site-packages/cloudinit/config/cc_set_passwords.py'>) failed
2022-04-19 20:42:32,621 - util.py[DEBUG]: Running module set-passwords (<module
'cloudinit.config.cc_set_passwords' from
'/usr/lib/python3.6/site-packages/cloudinit/config/cc_set_passwords.py'>) failed
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/cloudinit/stages.py", line 876, in
_run_modules
freq=freq)
File "/usr/lib/python3.6/site-packages/cloudinit/cloud.py", line 54, in run
return self._runners.run(name, functor, args, freq, clear_on_fail)
File "/usr/lib/python3.6/site-packages/cloudinit/helpers.py", line 185, in run
results = functor(*args)
File "/usr/lib/python3.6/site-packages/cloudinit/config/cc_set_passwords.py",
line 234, in handle
service_name=cloud.distro.get_option('ssh_svcname', 'ssh'))
File "/usr/lib/python3.6/site-packages/cloudinit/config/cc_set_passwords.py",
line 131, in handle_ssh_pwauth
subp.subp(cmd)
File "/usr/lib/python3.6/site-packages/cloudinit/subp.py", line 295, in subp
cmd=args)
cloudinit.subp.ProcessExecutionError: Unexpected error while running command.
Command: ['service', 'sshd', 'restart']
Exit code: 5
Reason: -
Stdout:
Stderr: Redirecting to /bin/systemctl restart sshd.service
Failed to restart sshd.service: Unit sshd.service not found.
While one could argue that cloud images without openssh-server might
have limited utility, there are use cases for slim apps/micro-services
that may not rely on this stack and cloud-init should probably cope
better in the face of this missing dependency.
While working this issue, let's add a Suggests: openssh-server to
debian/control for Deb-based systems.
** Affects: cloud-init
Importance: Low
Status: Triaged
** Tags: bitesize
** Changed in: cloud-init
Importance: Undecided => Low
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https://bugs.launchpad.net/bugs/1969526
Title:
cc-ssh: traceback when openssh-server absent
Status in cloud-init:
Triaged
Bug description:
In minimal cloud images without openssh-server, cloud-init will get
the following traceback.
2022-04-19 20:42:32,593 - stages.py[DEBUG]: Running module set-passwords
(<module 'cloudinit.config.cc_set_passwords' from
'/usr/lib/python3.6/site-packages/cloudinit/config/cc_set_passwords.py'>) with
frequency once-per-instance
2022-04-19 20:42:32,593 - handlers.py[DEBUG]: start:
modules-config/config-set-passwords: running config-set-passwords with
frequency once-per-instance
2022-04-19 20:42:32,593 - util.py[DEBUG]: Writing to
/var/lib/cloud/instances/rocky-8/sem/config_set_passwords - wb: [644] 24 bytes
2022-04-19 20:42:32,593 - helpers.py[DEBUG]: Running config-set-passwords
using lock (<FileLock using file
'/var/lib/cloud/instances/rocky-8/sem/config_set_passwords'>)
2022-04-19 20:42:32,594 - ssh_util.py[DEBUG]: line 1: option
PasswordAuthentication added with no
2022-04-19 20:42:32,594 - util.py[DEBUG]: Writing to /etc/ssh/sshd_config -
wb: [644] 26 bytes
2022-04-19 20:42:32,594 - subp.py[DEBUG]: Running command ['service', 'sshd',
'restart'] with allowed return codes [0] (shell=False, capture=True)
2022-04-19 20:42:32,620 - handlers.py[DEBUG]: finish:
modules-config/config-set-passwords: FAIL: running config-set-passwords with
frequency once-per-instance
2022-04-19 20:42:32,621 - util.py[WARNING]: Running module set-passwords
(<module 'cloudinit.config.cc_set_passwords' from
'/usr/lib/python3.6/site-packages/cloudinit/config/cc_set_passwords.py'>) failed
2022-04-19 20:42:32,621 - util.py[DEBUG]: Running module set-passwords
(<module 'cloudinit.config.cc_set_passwords' from
'/usr/lib/python3.6/site-packages/cloudinit/config/cc_set_passwords.py'>) failed
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/cloudinit/stages.py", line 876, in
_run_modules
freq=freq)
File "/usr/lib/python3.6/site-packages/cloudinit/cloud.py", line 54, in run
return self._runners.run(name, functor, args, freq, clear_on_fail)
File "/usr/lib/python3.6/site-packages/cloudinit/helpers.py", line 185, in
run
results = functor(*args)
File
"/usr/lib/python3.6/site-packages/cloudinit/config/cc_set_passwords.py", line
234, in handle
service_name=cloud.distro.get_option('ssh_svcname', 'ssh'))
File
"/usr/lib/python3.6/site-packages/cloudinit/config/cc_set_passwords.py", line
131, in handle_ssh_pwauth
subp.subp(cmd)
File "/usr/lib/python3.6/site-packages/cloudinit/subp.py", line 295, in subp
cmd=args)
cloudinit.subp.ProcessExecutionError: Unexpected error while running command.
Command: ['service', 'sshd', 'restart']
Exit code: 5
Reason: -
Stdout:
Stderr: Redirecting to /bin/systemctl restart sshd.service
Failed to restart sshd.service: Unit sshd.service not found.
While one could argue that cloud images without openssh-server might
have limited utility, there are use cases for slim apps/micro-services
that may not rely on this stack and cloud-init should probably cope
better in the face of this missing dependency.
While working this issue, let's add a Suggests: openssh-server to
debian/control for Deb-based systems.
To manage notifications about this bug go to:
https://bugs.launchpad.net/cloud-init/+bug/1969526/+subscriptions
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