Code:
- Fix check_ssh_config_include() to do a case-insensitive line match
(read_text().splitlines() instead of filter(None, map(..., open()))).
- Drop the default help_text= from _add_name_args(); callers now must
supply an explicit string.
- Expand the DNSContainer class docstring.
- Fix sysctl comment: note that incus provides net.* virtualization
so the sysctl only affects the container's network namespace.
Docs (doc/source/lxc.rst):
- Remove double blank line after page title; fix missing comma.
- Replace the plain-text root-access note with a .. caution:: block.
- Tighten the Quick-start section and lxc-test CLI entry.
Replace the two-function find_relay_image / _find_relay_image pair
with Incus.find_image(aliases), which returns the first alias
that exists in the local image store, or None.
Container.launch() passes [RELAY_IMAGE_ALIAS, BASE_IMAGE_ALIAS]
and ensure_base_image() passes [BASE_IMAGE_ALIAS].
Add cmdeploy "lxc-test" command to run cmdeploy against local containers,
with supplementary lxc-start, lxc-stop and lxc-status subcommands.
See doc/source/lxc.rst for full documentation including prerequisites,
DNS setup, TLS handling, DNS-free testing, and known limitations.
Apart from adding lxc-specific docs, tests, and implementation files in the cmdeploy/lxc directory,
this PR adds the --ssh-config option to cmdeploy run/dns/status/test commands and pyinfra invocations,
and also to sshexec (Execnet) handling. This allows for the host to need no DNS entries for a relay,
and route all resolution through ssh-config. This is used by the "lxc-test" command, which performs
a completely local setup -- again, see docs for more details.
While working on DNS/SSH things i also unified all zone-file handling
to use actual BIND format as it is easy enough to parse back.
