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abcb9e972b
The config.logLevel field, when set, is used to set the `--log-level`
flag when starting the managed `containerd` binary. This flag is the
equivalent to setting the `Config.Debug.Level` field, as can be seen
in the [`md/containerd/command.setLogLevel()`][1] function.
As we're already producing a generated containerd configuration file,
and this file already includes `Debug` options, we might as well include
the option in that file, instead of using the `--log-level` flag.
For entertainment of whoever reads this commit-message, it's worth noting
that previously we were writing this option to the config-file, and
yours truly removed that part in b6b0b0a05f,
but to my defence, we were _also_ setting the `--log-level` flag at the
time :)
[1]: https://github.com/containerd/containerd/blob/v1.7.20/cmd/containerd/command/main.go#L348-L357
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>