retry when runner fails to start

.gitlab-ci.yml

@@ -8,6 +8,9 @@ test-python:
   image: python:$PYTHON_VERSION
   needs: []
   stage: test
+  retry:
+    max: 2
+    when: runner_system_failure
   script:
   - apt-get update && apt install -y libblas-dev liblapack-dev python3-dev
   - pip install -r requirements.txt
@@ -30,6 +33,9 @@ test-docker-compose:
   when: delayed
   start_in: 3 minutes
   stage: test
+  retry:
+    max: 2
+    when: runner_system_failure
   script:
   - apk update && apk upgrade && apk add jq bash curl
   - ./test_docker_compose.sh
@@ -79,6 +85,9 @@ pages:
 .build:
   stage: build
   image: registry-gitlab.pasteur.fr/dsi-tools/docker-images/docker:latest
+  retry:
+    max: 2
+    when: runner_system_failure
   services:
     - registry-gitlab.pasteur.fr/dsi-tools/docker-images/docker:dind
   script:
@@ -155,6 +164,9 @@ build-client-prod:
     - test-python
 #    - test-backend-image
   image: harbor.pasteur.fr/kube-system/helm-kubectl:3.4.0
+  retry:
+    max: 2
+    when: runner_system_failure
   script:
     # create if missing the shared pvc to save data
     - kubectl apply -n $NAMESPACE -f chart/pvc-shared-data.yaml
@@ -226,6 +238,9 @@ delete-dev-deployment:
   environment:
     name: "k8sdev-01/jass-dev/${CI_COMMIT_REF_SLUG}"
     action: stop
+  retry:
+    max: 2
+    when: runner_system_failure
   script:
     - echo "Removing $CI_COMMIT_REF_SLUG"
     - helm delete -n ${NAMESPACE} ${CI_COMMIT_REF_SLUG}