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Fix path handling in download-mongodb #498

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merged 17 commits into from
Sep 17, 2024

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blink1073
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I tested this by cloning the c driver and invoking the integration script. The way that script gets invoked is pretty gnarly and unexpected. The path ends up being .evergreen/scripts/../../drivers-evergreen-tools/.evergreen/download-mongodb.sh, and I'm not sure how to get that into a suitable path. I'll have to follow up with a more robust solution.

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blink1073 commented Sep 17, 2024

Worst case I'll follow up with an inline retry function because we're already seeing a failure with:

curl: (92) HTTP/2 stream 1 was not closed cleanly: INTERNAL_ERROR (err 2)
Error: Process completed with exit code 92.

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test-oidc-k8s-local failure is expected, I had to tear down the cluster today

if [ -n "${MONGODB_BINARIES:-}" ]; then
cd "$(dirname "$(dirname "${MONGODB_BINARIES:?}")")"
else
cd $DRIVERS_TOOLS
fi

echo "Installing server binaries..."
"$SCRIPT_DIR/retry-with-backoff.sh" curl $MONGODB_DOWNLOAD_URL --output mongodb-binaries.tgz
curl $MONGODB_DOWNLOAD_URL --output mongodb-binaries.tgz
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@ShaneHarvey ShaneHarvey Sep 17, 2024

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We should be using curl_retry here. curl_retry is defined in this file. Same for all the other curl calls.

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Oh you removed curl_retry in PYTHON-4734. How about we just revert that commit entirely (again)?

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@eramongodb eramongodb left a comment

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retry-with-backoff.sh

Has curl's native command line flags been considered?

--retry <num>

If a transient error is returned when curl tries to perform a transfer, it will retry this number of times before giving up. Setting the number to 0 makes curl do no retries (which is the default). Transient error means either: a timeout, an FTP 4xx response code or an HTTP 408, 429, 500, 502, 503 or 504 response code.

When curl is about to retry a transfer, it will first wait one second and then for all forthcoming retries it will double the waiting time until it reaches 10 minutes which then will be the delay between the rest of the retries.

This behavior seems completely equivalent to the emulated behavior of the retry-with-backoff.sh script. See also --max-time, --retry-max-time, --retry-connrefused, and --retry-all-errors.

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We previously used curl's built in retries but not all curls we use are new enough because we test on so many different/old hosts. See PYTHON-3721 and DRIVERS-2625.

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Updated to restore curl_retry. I'll make sure to test the c driver if changing this file in the future.

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LGTM assuming the tests pass.

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@eramongodb eramongodb left a comment

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Minor feedback regarding curl_retry. Otherwise, as far as the C Driver is concerned, latest changes are LGTM.

.evergreen/download-mongodb.sh Outdated Show resolved Hide resolved
Co-authored-by: Ezra Chung <88335979+eramongodb@users.noreply.github.com>
@eramongodb eramongodb merged commit 4327b26 into mongodb-labs:master Sep 17, 2024
42 of 43 checks passed
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3 participants