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3 years agoremote: add ainsl sub-command ("append if no such line")
Simon Ruderich [Sun, 4 Apr 2021 21:35:50 +0000 (23:35 +0200)]
remote: add ainsl sub-command ("append if no such line")

It is preferred to deploy complete files by putting them in the files/
directory of a group. However, sometimes this is not possible because
parts of the file's content are unknown or managed by other programs or
users. An example is .ssh/authorized_keys which should contain certain
keys but which is also managed manually. `ainsl` permits adding a key to
the file without rewriting it completely.

`ainsl` can be used by specifying the following command:

    $SAFCM_HELPER ainsl /path/to/file line-to-add

Per default non-existent files are an error. To create the file if
necessary use:

    $SAFCM_HELPER ainsl -create /path/to/file line-to-add

The environment variable $SAFCM_HELPER is set when executing commands
and contains the absolute path to the remote helper.

3 years agosync: add SAFCM_HELPER environment variable to commands
Simon Ruderich [Sun, 4 Apr 2021 19:27:31 +0000 (21:27 +0200)]
sync: add SAFCM_HELPER environment variable to commands

Contains the absolute path to the remote helper binary. Will be useful
in the future when the remote helper gets additional subcommands.

3 years agosync: move file related test functions to new package filetest
Simon Ruderich [Sun, 4 Apr 2021 19:25:14 +0000 (21:25 +0200)]
sync: move file related test functions to new package filetest

They will be used by other packages in the near future.

3 years agoremote: remove duplicate call to log.SetFlags()
Simon Ruderich [Sun, 4 Apr 2021 10:36:44 +0000 (12:36 +0200)]
remote: remove duplicate call to log.SetFlags()

3 years agosync: refactor temporary file creation into WriteTemp()
Simon Ruderich [Sun, 4 Apr 2021 08:50:05 +0000 (10:50 +0200)]
sync: refactor temporary file creation into WriteTemp()

Make it public because it will be used by other packages in the near
future.

3 years agosync: remove duplication when setting path to temporary file
Simon Ruderich [Sun, 4 Apr 2021 08:43:19 +0000 (10:43 +0200)]
sync: remove duplication when setting path to temporary file

3 years agofixperms: use safcm-remote.sync's OpenFileNoFollow()
Simon Ruderich [Sun, 4 Apr 2021 08:40:13 +0000 (10:40 +0200)]
fixperms: use safcm-remote.sync's OpenFileNoFollow()

3 years agosync: refactor file opening into OpenFileNoFollow()
Simon Ruderich [Sun, 4 Apr 2021 08:35:22 +0000 (10:35 +0200)]
sync: refactor file opening into OpenFileNoFollow()

Make it public because it will be used by other packages in the next
commit.

3 years agoci: run go vet
Simon Ruderich [Sun, 4 Apr 2021 06:47:40 +0000 (08:47 +0200)]
ci: run go vet

3 years agoconfig: forbid host names which conflict with special groups
Simon Ruderich [Sun, 4 Apr 2021 06:46:00 +0000 (08:46 +0200)]
config: forbid host names which conflict with special groups

3 years agofixperms: don't follow symlinks
Simon Ruderich [Sun, 4 Apr 2021 06:25:57 +0000 (08:25 +0200)]
fixperms: don't follow symlinks

This prevents a possible TOCTOU when chmodding files.

3 years agoconfig: add Host option "ssh_user"
Simon Ruderich [Sat, 3 Apr 2021 13:57:54 +0000 (15:57 +0200)]
config: add Host option "ssh_user"

If it's empty or not present the default user of `ssh` is used. This is
either the current user or the user configured in ~/.ssh/config.

3 years agoAdd support for armv7l SoCs like Raspberry Pi 2 and newer
Markus [Fri, 2 Apr 2021 20:39:26 +0000 (22:39 +0200)]
Add support for armv7l SoCs like Raspberry Pi 2 and newer

3 years agoAdd .gitlab-ci.yml
Simon Ruderich [Sat, 3 Apr 2021 13:06:54 +0000 (15:06 +0200)]
Add .gitlab-ci.yml

3 years agoFirst working version
Simon Ruderich [Sat, 3 Apr 2021 13:02:39 +0000 (15:02 +0200)]
First working version

3 years agoInitial commit
Simon Ruderich [Fri, 19 Mar 2021 17:52:52 +0000 (18:52 +0100)]
Initial commit