ci: Run with rerunfailures rather than flaky

Author: cdecker

.github/workflows/ci.yaml

@@ -16,6 +16,7 @@ env:
   RUST_PROFILE: release
   SLOW_MACHINE: 1
   CI_SERVER_URL: "http://35.239.136.52:3170"
+  GLOBAL_PYTEST_OPTS: --reruns=5
 
 jobs:
   prebuild:
@@ -313,7 +314,7 @@ jobs:
         run: |
           env
           cat config.vars
-          uv run eatmydata pytest tests/test_downgrade.py -vvv -n ${PYTEST_PAR} ${PYTEST_OPTS}
+          uv run eatmydata pytest tests/test_downgrade.py -vvv ${GLOBAL_PYTEST_OPTS} -n ${PYTEST_PAR} ${PYTEST_OPTS}
 
   integration:
     name: Test CLN ${{ matrix.name }}
@@ -421,7 +422,7 @@ jobs:
         run: |
           env
           cat config.vars
-          VALGRIND=0 uv run eatmydata pytest tests/ -vvv -n ${PYTEST_PAR} ${PYTEST_OPTS}
+          VALGRIND=0 uv run eatmydata pytest tests/ -vvv ${GLOBAL_PYTEST_OPTS} -n ${PYTEST_PAR} ${PYTEST_OPTS}
 
   integration-valgrind:
     name: Valgrind Test CLN ${{ matrix.name }}
@@ -430,7 +431,7 @@ jobs:
     env:
       RUST_PROFILE: release # Has to match the one in the compile step
       CFG: compile-gcc
-      PYTEST_OPTS: --test-group-random-seed=42 --timeout=1800 --durations=10
+      PYTEST_OPTS: --test-group-random-seed=42 --timeout=1800 --durations=10 --reruns=10
     needs:
       - compile
     strategy:
@@ -501,7 +502,7 @@ jobs:
       RUST_PROFILE: release
       SLOW_MACHINE: 1
       TEST_DEBUG: 1
-      PYTEST_OPTS: --test-group-random-seed=42 --timeout=1800 --durations=10
+      PYTEST_OPTS: --test-group-random-seed=42 --timeout=1800 --durations=10 --reruns=10
     needs:
       - compile
     strategy:
@@ -674,7 +675,7 @@ jobs:
         run: |
           env
           cat config.vars
-          VALGRIND=0 uv run eatmydata pytest tests/ -vvv -n ${PYTEST_PAR} ${PYTEST_OPTS}
+          VALGRIND=0 uv run eatmydata pytest tests/ -vvv ${GLOBAL_PYTEST_OPTS} -n ${PYTEST_PAR} ${PYTEST_OPTS}
 
   check-flake:
     name: Check Nix Flake

pyproject.toml

@@ -17,6 +17,7 @@ dependencies = [
   "pyln-grpc-proto",
   "pytest-trackflaky",
   "pyln-testing",
+  "pytest-rerunfailures>=16.0.1",
 ]
 package-mode = false
 [dependency-groups]