Azure DevOps SSH release pipeline task and Docker Compose STDERR

Question

I am using Classic release pipelines in Azure DevOps and configured simple SSH task what calls docker-compose:

cd /home/asem/platform/$(ServiceName) && sudo docker-compose up -d --force-recreate

Issue: task fails with errors:

Docker-compose returns 0 exit code, but write some messages in STDERR. Pipeline task treat them as errors and fails.

Questions:

Why docker-compose designed that way what EXIT code = 0, but there are some errors were written in STDERR ?
Any good solution (please see found workarounds in my answer below) ?

Hi @Aleksei, thanks for your sharing! Just a remind, you could accept your answer, and this may help others find the answer quickly. — Antonia Wu-MSFT
– Antonia Wu-MSFT, Commented Dec 26, 2022 at 1:55

Yiping · Accepted Answer · 2023-03-31 01:59:45Z

1

Will a stderr redirect + grep work for you?

docker compose up -d 2> >(grep -i error)

Happy path:

With error:

edited Mar 31, 2023 at 1:59

answered Mar 31, 2023 at 1:52

Yiping

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Aleksei Semidotskii · Accepted Answer · 2022-12-22 18:57:53Z

0

Workaround 1: pipe docker compose STDERR to STDOUT like cd /home/asem/platform/$(ServiceName) && sudo docker-compose up -d --force-recreate 2 >&1

sudo docker-compose up -d --force-recreate 2 >&1

That works, but I don’t like it because it can hide some real errors

Workaround 2: Uncheck “Fail on STDERR” for task

That works, but release stage displays errors which is not good though.

answered Dec 22, 2022 at 18:57

Aleksei Semidotskii

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