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During the 1.52 release process we had to deal with some commits that
passed the test suite on the nightly branch but failed on the beta or
stable branch. In that case it was due to some UI tests including the
channel name in the output, but other changes might also be dependent on
the channel.
This commit adds a new CI job that runs the Linux x86_64 test suite with
the stable branch, ensuring nightly changes also work as stable.
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When the dockerfiles were moved into the host-x86_64 directory, paths
for COPY commands were updated with the new host-x86_64/ prefix. This
suggested that the intended context was src/ci/docker. However, the context
for disabled docker images was src/ci/docker/host-x86_64. This broke the new
paths and prevented src/ci/docker/scripts from being included in the
context at all.
This commit corrects this context allowing docker to find the files it
needs for COPY commands.
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We're starting to include native aarch64 machines in our CI, but before
this commit the architecture wasn't included in the cache key for our
Docker images. This means there could be conflicts between images
produced on different architectures, hurting our CI times.
This commit fixes the problem by including the output of `uname -m` in
the cache key.
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We need to add runners designed for an aarch64 host system, and it'd be
nice to return an error message if someone tries to run an image
designed for an host architecture in another one.
To start the work on this, this commit moves all the existing builders
in the host-x86_64 directory, and changes the run.sh script to look up
the image in the correct directory based on the host architecture.
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This will reduce costs, as well as lays the groundwork for developers to be able
to locally pull the published docker images without needing AWS credentials.
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Before this commit toolstates.json was stored in /tmp and it wasn't
mounted outside the build container. That caused uploading the file in
the upload-artifacts task to fail, as the file was missing on the host.
Mounting /tmp/toolstates.json alone is not the best approach: if the
file is missing when the container is started the Docker engine will
create a *directory* named /tmp/toolstates.json.
The Docker issue could be solved by pre-creating an empty file named
/tmp/toolstates.json, but doing that could cause problems if bootstrap
fails to generate the file and the toolstate scripts receive an empty
JSON.
The approach I took in this commit is to instead mount a /tmp/toolstate
directory inside Docker, and create the toolstates.json file in it. That
also required a small bootstrap change to ensure the directory is
created if it's missing.
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A recent commit modified toolstate to only push updated data when the
TOOLSTATE_PUBLISH environment variable is present. This worked fine on
Windows but failed on Linux, since Linux jobs run inside Docker
containers and the variable wasn't forwarded inside it.
This changes the Docker startup code to set the TOOLSTATE_PUBLISH
enviornment variable inside the container if it's present outside.
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This commit updates some of our assorted Azure/CI configuration to
prepare for some 4-core machines coming online. We're still in the
process of performance testing them to get final numbers, but some
changes are worth landing ahead of this. The updates here are:
* Use `C:/` instead of `D:/` for submodule checkout since it should have
plenty of space and the 4-core machines won't have `D:/`
* Update `lzma-sys` to 0.1.14 which has support for VS2019, where 0.1.10
doesn't.
* Update `src/ci/docker/run.sh` to work when it itself is running inside
of a docker container (see the comment in the file for more info)
* Print step timings on the `try` branch in addition to the `auto`
branch in. The logs there should be seen by similarly many humans (not
many) and can be useful for performance analysis after a `try` build
runs.
* Install the WIX and InnoSetup tools manually on Windows instead of
relying on pre-installed copies on the VM. This gives us more control
over what's being used on the Azure cloud right now (we control the
version) and in the 4-core machines these won't be pre-installed. Note
that on AppVeyor we actually already were installing InnoSetup, we
just didn't carry that over on Azure!
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Now that we've fully moved to Azure Pipelines and bors has been updated
to only gate on Azure this commit removes the remaining Travis/AppVeyor
support contained in this repository. Most of the deletions here are
related to producing better output on Travis by folding certain
sections. This isn't supported by Azure so there's no need to keep it
around, and if Azure ever adds support we can always add it back!
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Currently just run it through its paces but don't actually push to
official locations. Instead let's just push to a separate fork (mine) as
well as open issues in a separate fork (mine). Make sure that people
aren't pinged for these issues as well!
This should hopefully ensure that everything is working on Azure and
give us a chance to work through any issues that come up.
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This writes an extra `dist/image-$image.txt` which contains the S3 URL
of the cached image and the `sha256` digest of the docker entry point.
This will be uploaded with the rest of the deployed artifacts in the
Travis `after_success` script.
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`src/ci/docker`, so that when files under `dist-x86_64-linux` is changed,
its dependent image `dist-i686-linux` will also be rebuilt.
However, this ultraconservative solution caused the `dist-i686-linux` to
be rebuilt every time an irrelevant Dockerfile (e.g. the PowerPC ones) is
changed, which increases the building time beyond 3 hours and forcing
a spurious but expected failure.
This commit instead parses the Dockerfile itself and look for the actual
dependencies. The scripts needs to be copied into the Docker image, which
must be done with the COPY command, so we just need to find all lines with
a COPY command and add the source file into the hash calculator.
Note: this script only handles single-lined COPY command in the form
`COPY src1 src2 src3 dst`, since these are the only variant used inside
this repository.
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Before this commit the hash used to cache docker images was calculated
from the image's files and the files in the scripts/ directory. This
worked fine when all the files used by an image were in those
directories, but some images pull files from other images, causing hash
collisions in some cases.
This commit changes the hash to include the files of all the docker
images, causing a rebuild of all the images when a single one changes.
That's a bit heavy-handed, but we have no way to track which files an
image pulls in and hash collisions are really painful to deal with.
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In theory we shouldn't require trusty so long as docker continues to
work!
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This reverts commit 32e8bda4e35ada92beab7236d62520e6c6df8596.
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Switch a `mkdir $foo` to `mkdir -p $foo` to handle the case that this script is
being run locally and has previously executed.
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Tries to workaround travis-ci/travis-ci#9696.
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Prevent spuriously needing to rebuild the docker image when the network
was down.
Also, adjusted the retry function to insert a sleep between retries,
because retrying immediately will often just hit the same issue.
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Bots that read the log can simply look for `[CI_JOB_NAME=...]` to find out
the job's name.
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Ideally I'd like to soon enable sccache for rustbuild itself and some of the
stage0 tools, but for that to work we'll need some better Rust support than the
pretty old version we were previously using!
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This commit moves away from caching on Travis to our own caching on S3 for
caching docker layers between builds. Unfortunately the Travis caches have over
time had a few critical pain points:
* Caches are only updated for successful builds, meaning that if a build times
out or fails in a different location the sucessfully-created docker images
isn't always cached. While this makes sense as a general rule of caches it
hurts our use cases.
* Caches are per-branch and builder which means that we don't have a separate
cache on each release channel. All our merges go through the `auto` branch
which means that they're all sharing the same cache, even those for merging to
master/beta. This means that PRs which switch between master/beta will keep
rebuilting and having cache misses.
* Caches have historically been invaliated somewhat regularly a little more
aggressively than we'd want (I think).
* We don't always need to update the contents of the cache if the Docker image
didn't change at all, and saving off the docker layers can sometimes be quite
expensive.
For all these reasons this commit drops the usage of Travis's built-in caching
support. Instead our own caching is used by storing blobs to S3. Normally this
would be a very risky endeavour but we're basically priming a cache for a cache
(docker) so if we get this wrong the failure mode is longer builds, not stale
caches. We'll notice that pretty quickly and hopefully fix it!
The logic here is inserted directly into the `src/ci/docker/run.sh` script to
download an image based on a shasum of the `Dockerfile` and other assorted files.
This blob, if found, is loaded into docker and we record what layers were
inserted. After docker finishes the build (hopefully quickly with lots of cache
hits) we then see the sha of the final image. If it's one of the layers we
loaded then there's no need to update the cache. Otherwise we upload our layers
to the global cache, possibly overwriting what we previously just downloaded.
This is hopefully a step towards mitigating #49278 although it doesn't
completely fix it as it means we'll still probably have to retry builds that
bust the cache.
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On some systems, the bash command could be available in another
directory than /bin. As such, to offer an env shebang is more
convenient.
This make sense even for docker scripts, as you can use Docker
on FreeBSD or SmartOS for example.
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ci: Fix building disabled containers
* Change the context into the disabled directory. Now you can test
containers which are disabled.
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* Change the context into the disabled directory. Now you can test
containers which are disabled.
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Most of the other rust-lang buckets are in us-west-1 and I think the original
bucket was just accidentally created in the us-east-1 region. Let's consolidate
by moving it to the same location as the rest of our buckets.
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Newer versions of Docker have a `--init` argument which spawns an init process
in the container, which we should be able to use everywhere now.
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When upgrading to LLVM 5.0 it was found that the leak sanitizer tests were
failing with fatal errors, but they were passing locally when run. Turns out it
looks like they may be using new ptrace-like syscalls so the docker container
now needs `--privileged` when executing to complete the test.
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* Bring back colors on Travis, which was disabled since #39036.
Append --color=always to cargo when running in CI environment.
* Removed `set -x` in the shell scripts. The `retry` function already
prints which command it is running, add `-x` just add noise to the
output.
* Support travis_fold/travis_time. Matching pairs of these allow Travis CI
to collapse the output in between. This greatly cut down the unnecessary
"successful" output one need to scroll through before finding the failed
statement.
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