Well designed software should not produce any zombie or re-parenting
processes.
This adds an option to warn in the logs when reaping of zombies is
happening so that it can be monitored and fixed in subsequent releases
of the software.
This required updating to Ubuntu Xenial for some of the cross compilers, but Travis doesn't support Xenial builders, so this instead converts Travis to use the already-existing "ddist.sh" script for building via Docker.
Also fixed a bug with the signals test, which didn't properly exercise
Tini: rather than check that Tini was properly exiting with 128 +
signal, it raced against Tini and was only successful if Tini didn't get
the change to spawn a subprocess!
Also adding a test in run_build.sh to ensure that the pre-processed
license is always up to date with the actual license file.
To recreate: `xxd -i LICENSE > src/license.h`
This changes the execve exit status for the child process to be inline
with standard exit status codes for common execve failures.
I don't think this breaks any backwards compat with existing tini users
because it is still returning a non zero exit status but with correct
codes providing more information why it failed.
- Don't mention options that don't exist in Usage.
- Don't include a log prefix when NO_ARGS is set.
- Turn up the default verbosity to FATAL when NO_ARGS is set.
- Expose verbosity via an ENV var for debugging.
Right now, the packages are hard-coded to report the amd64 architecture.
I'm not sure they'll be used or needed, so for now let's ignore and skip
them.
This adds 1k of weight to the resulting binary, which is reasonable
(it's less than 5% for the smaller non-static binary), but alleviates
legitimate user concern that the license requires being included when
Tini is redistributed.
The GPG signing subkey and passphrase are respectively provided through
a Travis encrypted file and a Travis encrypted environment variable.
Signing is only done if there is a signing key present when the build is
complete (so as to not fail when e.g. building a PR that doesn't have
encrypted files available).
Tini ignores certain signals, and blocks others, but in both cases
we restore them before executing the child process.
Add tests to ensure that we actually do that!
Using the child subreaper mechanism, we can actually run
tests inside the CI environment without depending on Docker.
While this does not replace the existing tests, it allows
at least some functional coverage within CI.
This allows the use of `tini` within even more minimal environments (such as images that are `FROM scratch` with a single application binary `COPY`'d in).
On Travis, Cmake does not run from the same directory as in our local
build environment. We need to ensure that PATH contains absolute paths
so that Cmake can find our stub rpmbuild.
Travis uses Ubuntu Precise, which has CMake 3.8. That version does not
have support for excluding /usr and /usr/bin from the %files% list
(which results in a package that conflicts with the filesystem package
and fails to install).
This commit:
+ Builds on Precise instead of Trusty
+ Adds install tests
Dominic Yin
Thomas Orozco
zimbatm
Tianon Gravi
Michael Crosby
Jorge Marin