[igt-dev] [PATCH i-g-t] .gitlab-ci: Retry `ninja test` 2 times in case of failures

[Arkadiusz Hiler <arkadiusz.hiler@intel.com>]

Freedesktop CI/CD runners are shared machines with a lot of cores and
they accept many parallel jobs coming from multiple projects. There
are no resources guarantees, which leads to the sporadic slowness.

This makes our `ninja test` fail in extreme cases.

We have already tried to bump the timoeut limit for the slower tests in
e941638ce652 ("runner/tests: Increase the timeout by 10x") which helped
a bit, but we still fail from time to time.

As an extra mitigation let's make the CI do 2 retries (= total of 3
attempts) before finally failing the whole pipeline.

Cc: Petri Latvala <petri.latvala@intel.com>
Issue: https://gitlab.freedesktop.org/freedesktop/freedesktop/issues/197
Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
---

This emails is sent with a header that makes Patchwork ignore it as there is no
use in running this change on a real hardware. You can see gitlab's pipeline
results for this patch here:

https://gitlab.freedesktop.org/ivyl/igt/pipelines/98032

 .gitlab-ci.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9a4dcb71..c5a6bd9e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -168,12 +168,14 @@ build:tests-debian-autotools:
 #################### TEST ##########################
 
 test:ninja-test:
+  retry: 2
   dependencies:
     - build:tests-fedora
   stage: test
   script: ninja -C build test
 
 test:ninja-test-clang:
+  retry: 2
   dependencies:
     - build:tests-fedora-clang
   variables:
@@ -182,6 +184,7 @@ test:ninja-test-clang:
   script: ninja -C build test
 
 test:ninja-test-minimal:
+  retry: 2
   image: $CI_REGISTRY/$CI_PROJECT_PATH/build-debian-minimal:commit-$CI_COMMIT_SHA
   dependencies:
     - build:tests-debian-minimal
@@ -189,6 +192,7 @@ test:ninja-test-minimal:
   script: ninja -C build test
 
 test:ninja-test-arm64:
+  retry: 2
   image: $CI_REGISTRY/$CI_PROJECT_PATH/build-debian-arm64:commit-$CI_COMMIT_SHA
   dependencies:
     - build:tests-debian-meson-arm64
@@ -203,6 +207,7 @@ test:ninja-test-arm64:
     when: on_failure
 
 test:ninja-test-armhf:
+  retry: 2
   image: $CI_REGISTRY/$CI_PROJECT_PATH/build-debian-armhf:commit-$CI_COMMIT_SHA
   dependencies:
     - build:tests-debian-meson-armhf
@@ -217,6 +222,7 @@ test:ninja-test-armhf:
     when: on_failure
 
 test:ninja-test-mips:
+  retry: 2
   image: $CI_REGISTRY/$CI_PROJECT_PATH/build-debian-mips:commit-$CI_COMMIT_SHA
   dependencies:
     - build:tests-debian-meson-mips
-- 
2.24.1

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