Test if we can construct a docker client and confirm that we can
communicate with it. This is intended to help in debug connection
issues, and also for use in tests. For example, you might
implement a testthat skip test that skips if
conditionally use stevedore/docker within tests.
Passed through to
Logical, indicating if information should be
printed about failures to connect. If
Reasons for failure to connect might include:
You do not have a docker daemon running
You have docker installed but the socket in a non-standard place and have not adjusted environment variables accordingly
You do not have permission to write to the docker socket
You are on windows and the required python packages to get everything working there are not present or configured correctly
There are problems arranging verification over https/tls.
TRUE then some diagnostic information
will be printed.
docker_client(...) would succeed.
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