diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8703a6ccc4479252f07b7b5e6b28656b4852b544..dd0005d1bd13d986a29908c7fd9feb8c536ccc42 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,175 +1,70 @@
----
 stages:
-    - build_0
-    - build_1
-    - build_2
-    - snapshot
-    - build_standalone
-    - test
-#- publish
-#- announce
+- triggers
+- test
 
-##########################
-## Templates #############
+#####################################################
+### ATLAS KV (a test of cvmfs functionality)
+#####################################################
 
-# .definition_build_image_kaniko: &template_build_image_kaniko
-#     tags:
-#         - hep-workload-gpu-docker-builder
-#     image: # NB enable shared runners and do not specify a CI tag
-#         name: gitlab-registry.cern.ch/ci-tools/docker-image-builder # CERN version of the Kaniko image
-#         entrypoint: [""]
-#     script:
-#         - echo "current commit is ${CI_COMMIT_SHA:0:8}"
-#         - echo "current branch is ${CI_COMMIT_BRANCH}"
-#         - echo "current tag is ${CI_COMMIT_TAG}"
-#         - if [[ -z $DOCKERFILE ]]; then echo "ERROR variable DOCKERFILE is not defined "; exit 1; fi 
-#         - if [[ -z $CONTEXT ]]; then echo "ERROR variable CONTEXT is not defined "; exit 1; fi 
-#         - if [[ -z $IMAGE_NAME ]]; then echo "ERROR variable IMAGE_NAME is not defined "; exit 1; fi 
-#         - if [[ -z $IMAGE_TAG ]]; then echo "ERROR variable IMAGE_TAG is not defined "; exit 1; fi 
-#         - export DESTINATIONS="--destination $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG --destination $CI_REGISTRY_IMAGE/$IMAGE_NAME:ci-${CI_COMMIT_BRANCH}-${CI_COMMIT_SHA:0:8}"
-#         - echo "DESTINATIONS $DESTINATIONS"
-#         # Prepare Kaniko configuration file
-#         - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"}}}" > /kaniko/.docker/config.json
-#         # Build and push the image from the Dockerfile at the root of the project.
-#         # To push to a specific docker tag, amend the --destination parameter, e.g. --destination $CI_REGISTRY_IMAGE:$CI_BUILD_REF_NAME
-#         # See https://docs.gitlab.com/ee/ci/variables/predefined_variables.html#variables-reference for available variables
-#         - /kaniko/executor --context $CONTEXT --dockerfile $DOCKERFILE $DESTINATIONS
+job_test_kv:
+  stage: test
+  image: gitlab-registry.cern.ch/hep-benchmarks/hep-workloads-builder/dind:qa
+  tags:
+      - hep-workload-gpu-docker-builder
+  before_script:
+      - export CIENV_CVMFSVOLUME=/scratch/cvmfs_hep/CI-JOB-${CI_JOB_ID}
+      - export CVMFS_IMAGE=gitlab-registry.cern.ch/hep-benchmarks/hep-workloads-builder/cvmfs-image:${CI_COMMIT_TAG:-$CI_COMMIT_BRANCH}
+      - docker pull ${CVMFS_IMAGE}
+      - docker run --name cvmfs_${CI_JOB_ID} -d --privileged -v ${CIENV_CVMFSVOLUME}:/cvmfs:shared ${CVMFS_IMAGE} -r atlas.cern.ch -t /tmp/traces
+  script: 
+      - sleep 1m # to give time to cvmfs to start
+      - export CIENV_CVMFSVOLUME=/scratch/cvmfs_hep/CI-JOB-${CI_JOB_ID}
+      - docker exec cvmfs_${CI_JOB_ID} cvmfs_config probe
+      - docker run --rm -v ${CIENV_CVMFSVOLUME}:/cvmfs gitlab-registry.cern.ch/hep-benchmarks/hep-workloads/atlas-kv-bmk:ci1.2 -c 2 -t 1 -e 4
+      - docker exec cvmfs_${CI_JOB_ID} cvmfs_talk -i atlas.cern.ch tracebuffer flush
+      - docker exec cvmfs_${CI_JOB_ID} python /usr/libexec/cvmfs/shrinkwrap/spec_builder.py --policy=exact /tmp/traces/cvmfs-atlas.cern.ch.trace.log /tmp/traces/cvmfs-atlas.cern.ch.spec
+      - docker cp cvmfs_${CI_JOB_ID}:/tmp/traces ${CI_PROJECT_DIR}/traces  
+  after_script:
+      - docker rm -f cvmfs_${CI_JOB_ID}
+  only:
+      variables:
+      - $CI_COMMIT_BRANCH =~ /^qa.*$/
+      - $CI_COMMIT_TAG =~ /^v.*$/
+  artifacts:
+    paths:
+      - ${CI_PROJECT_DIR}/traces
+    expire_in: 1 week
+    when: always
 
-.definition_build_image: &template_build_image
-    tags:
-        - hep-workload-gpu-docker-builder
-    image: 
-        name: gitlab-registry.cern.ch/hep-benchmarks/hep-workloads-builder/dind:qa # Use instead of kaniko. FIXME use a prod tag
-        entrypoint: [""]
-    script:
-        - echo "current commit is ${CI_COMMIT_SHA:0:8}"
-        - echo "current branch is ${CI_COMMIT_BRANCH}"
-        - echo "current tag is ${CI_COMMIT_TAG}"
-        - if [[ -z $DOCKERFILE ]]; then echo "ERROR variable DOCKERFILE is not defined "; exit 1; fi 
-        - if [[ -z $CONTEXT ]]; then echo "ERROR variable CONTEXT is not defined "; exit 1; fi 
-        - if [[ -z $IMAGE_NAME ]]; then echo "ERROR variable IMAGE_NAME is not defined "; exit 1; fi 
-        - if [[ -z $IMAGE_TAG ]]; then echo "ERROR variable IMAGE_TAG is not defined "; exit 1; fi 
-        - docker rmi -f $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG || echo "image $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG does not exist"
-        - echo $CI_BUILD_TOKEN | docker login -u gitlab-ci-token --password-stdin gitlab-registry.cern.ch
-        - docker build --no-cache -t $CI_REGISTRY_IMAGE/$IMAGE_NAME:ci-${CI_COMMIT_BRANCH}-${CI_COMMIT_SHA:0:8} -f $DOCKERFILE $CONTEXT
-        - dockert tag $CI_REGISTRY_IMAGE/$IMAGE_NAME:ci-${CI_COMMIT_BRANCH}-${CI_COMMIT_SHA:0:8} $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG
-        - docker push $CI_REGISTRY_IMAGE/$IMAGE_NAME:ci-${CI_COMMIT_BRANCH}-${CI_COMMIT_SHA:0:8}
-        - docker push $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG
-        - docker rmi $CI_REGISTRY_IMAGE/$IMAGE_NAME:ci-${CI_COMMIT_BRANCH}-${CI_COMMIT_SHA:0:8}
+#####################################################
+### CMS PATATRACK 
+#####################################################
 
-###########################################################
-# docker in docker image: to trigger other docker runs
-###########################################################
+patatrack:
+  stage: triggers
+  trigger:
+    include: 
+      - local: cms/cms-patatrack-ci.yml
+    strategy: depend
+  only:
+    variables:
+      - $CI_COMMIT_BRANCH =~ /^qa.*$/
+      - $CI_COMMIT_TAG =~ /^v.*$/
 
-job_build_image_step0: 
-    stage: build_0
-    before_script:
-        - export DOCKERFILE=$CI_PROJECT_DIR/cms/patatrack/ci-scripts/nvidia.Dockerfile.0
-        - export CONTEXT=$CI_PROJECT_DIR/cms/patatrack
-        - export IMAGE_NAME=cms/cms-patatrack-nvidia-0
-        - export IMAGE_TAG=${CI_COMMIT_TAG:-$CI_COMMIT_BRANCH}
-    <<: *template_build_image
-    only:
-        changes:
-          - cms/patatrack/ci-scripts/nvidia.Dockerfile.0
+#####################################################
+### LHC Simple Track
+#####################################################
 
-
-job_build_image_step1: 
-    stage: build_1
-    before_script:
-        - export DOCKERFILE=$CI_PROJECT_DIR/cms/patatrack/ci-scripts/nvidia.Dockerfile.1
-        - export CONTEXT=$CI_PROJECT_DIR/cms/patatrack
-        - export IMAGE_NAME=cms/cms-patatrack-nvidia-1
-        - export IMAGE_TAG=${CI_COMMIT_TAG:-$CI_COMMIT_BRANCH}
-    <<: *template_build_image
-    only:
-        changes:
-            - cms/patatrack/ci-scripts/nvidia.Dockerfile.0
-            - cms/patatrack/ci-scripts/nvidia.Dockerfile.1
-
-job_build_image_step2: 
-    stage: build_2
-    before_script:
-        - export DOCKERFILE=$CI_PROJECT_DIR/cms/patatrack/ci-scripts/nvidia.Dockerfile.2
-        - export CONTEXT=$CI_PROJECT_DIR/cms/patatrack
-        - export IMAGE_NAME=cms/cms-patatrack-nvidia-2
-        - export IMAGE_TAG=${CI_COMMIT_TAG:-$CI_COMMIT_BRANCH}
-    <<: *template_build_image
-    only:
-        changes:
-            - cms/patatrack/ci-scripts/nvidia.Dockerfile.*
-            - cms/patatrack/cms-patatrack/*
-            - cms/patatrack/cms-patatrack/utility_scripts/*
-
-job_snapshot_cvmfs: 
-    stage: snapshot
-    tags:
-        - hep-workload-gpu-docker-builder
-    image:
-        name: gitlab-registry.cern.ch/hep-benchmarks/hep-workloads-builder/dind:qa
-    before_script:
-        - source cms/patatrack/ci-scripts/snapshot_cvmfs.sh
-        - _before_script
-    script: 
-        - source cms/patatrack/ci-scripts/snapshot_cvmfs.sh
-        - _script
-    after_script:
-        - source cms/patatrack/ci-scripts/snapshot_cvmfs.sh
-        - _after_script
-    only:
-        variables:
-            - $CI_COMMIT_BRANCH =~ /^qa.*$/
-            - $CI_COMMIT_TAG =~ /^v.*$/
-        changes:
-            - cms/patatrack/ci-scripts/nvidia.Dockerfile.*
-            - cms/patatrack/ci-scripts/snapshot_cvmfs.sh
-            - cms/patatrack/cms-patatrack/*
-            - cms/patatrack/cms-patatrack/utility_scripts/*
-    artifacts:
-        paths:
-            - ${CI_PROJECT_DIR}/traces
-            - ${CI_PROJECT_DIR}/cvmfs_export_dir_content
-            - ${CI_PROJECT_DIR}/cvmfs_export_py2-scipy_content
-            - ${CI_PROJECT_DIR}/cms/patatrack/cvmfs
-        expire_in: 1 week
-        when: always
-
-job_build_standalone_image: 
-    stage: build_standalone
-    before_script:
-        - export DOCKERFILE=$CI_PROJECT_DIR/cms/patatrack/ci-scripts/nvidia.Dockerfile.2
-        - export CONTEXT=$CI_PROJECT_DIR/cms/patatrack
-        - export IMAGE_NAME=cms/cms-patatrack-nvidia-bmk
-        - export IMAGE_TAG=${CI_COMMIT_TAG:-$CI_COMMIT_BRANCH}
-    <<: *template_build_image
-    only:
-        changes:
-            - cms/patatrack/ci-scripts/nvidia.Dockerfile.*
-            - cms/patatrack/ci-scripts/snapshot_cvmfs.sh
-            - cms/patatrack/cms-patatrack/*
-            - cms/patatrack/cms-patatrack/utility_scripts/*
-
-job_test_standalone_image: 
-    stage: test
-    tags:
-        - hep-workload-gpu-docker-builder
-    image:
-        name: gitlab-registry.cern.ch/hep-benchmarks/hep-workloads-builder/dind:qa
-    script: 
-        - source cms/patatrack/ci-scripts/test_standalone_image.sh
-        - _script        
-    only:
-        variables:
-            - $CI_COMMIT_BRANCH =~ /^qa.*$/
-            - $CI_COMMIT_TAG =~ /^v.*$/
-        changes:
-            - cms/patatrack/ci-scripts/nvidia.Dockerfile.*
-            - cms/patatrack/ci-scripts/snapshot_cvmfs.sh
-            - cms/patatrack/ci-scripts/test_standalone_image.sh
-            - cms/patatrack/cms-patatrack/*
-            - cms/patatrack/cms-patatrack/utility_scripts/*
-    artifacts:
-        paths:
-            - ${CI_PROJECT_DIR}/${RESULTS_DIR}
-        expire_in: 1 week
-        when: always
\ No newline at end of file
+simpletrack:
+  stage: triggers
+  trigger:
+    include: lhc/simpletrack/.simpletrack-ci.yml
+    strategy: depend
+  only:
+    variables:
+    - $CI_COMMIT_BRANCH =~ /^qa.*$/
+    - $CI_COMMIT_TAG =~ /^v.*$/
+    changes:
+    - lhc/simpletrack/Dockerfile.*
+    - lhc/simpletrack/lhc-simpletrack.*
+    - lhc/simpletrack/.simpletrack-ci.yml
diff --git a/cms/cms-patatrack-ci.yml b/cms/cms-patatrack-ci.yml
index 8703a6ccc4479252f07b7b5e6b28656b4852b544..ab394abe9287933378a2e3967e616557b2c41b26 100644
--- a/cms/cms-patatrack-ci.yml
+++ b/cms/cms-patatrack-ci.yml
@@ -52,7 +52,7 @@ stages:
         - docker rmi -f $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG || echo "image $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG does not exist"
         - echo $CI_BUILD_TOKEN | docker login -u gitlab-ci-token --password-stdin gitlab-registry.cern.ch
         - docker build --no-cache -t $CI_REGISTRY_IMAGE/$IMAGE_NAME:ci-${CI_COMMIT_BRANCH}-${CI_COMMIT_SHA:0:8} -f $DOCKERFILE $CONTEXT
-        - dockert tag $CI_REGISTRY_IMAGE/$IMAGE_NAME:ci-${CI_COMMIT_BRANCH}-${CI_COMMIT_SHA:0:8} $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG
+        - docker tag $CI_REGISTRY_IMAGE/$IMAGE_NAME:ci-${CI_COMMIT_BRANCH}-${CI_COMMIT_SHA:0:8} $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG
         - docker push $CI_REGISTRY_IMAGE/$IMAGE_NAME:ci-${CI_COMMIT_BRANCH}-${CI_COMMIT_SHA:0:8}
         - docker push $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG
         - docker rmi $CI_REGISTRY_IMAGE/$IMAGE_NAME:ci-${CI_COMMIT_BRANCH}-${CI_COMMIT_SHA:0:8}
diff --git a/cms/patatrack/ci-scripts/build_2.sh b/cms/patatrack/ci-scripts/build_2.sh
index 8d3d64f84fc56df5869246e0316c623b72ad8db7..8a78e56332ccd274d0e5635f11b68433ebc6cd38 100755
--- a/cms/patatrack/ci-scripts/build_2.sh
+++ b/cms/patatrack/ci-scripts/build_2.sh
@@ -4,24 +4,29 @@ set -x
 set -e
 
 # First move all folders in the right place
+date
 mv /stage/cvmfs /cvmfs
+
+date
 mv /stage/cms-patatrack /bmk/./cms-patatrack
 
 # Make only readable
+date
 chmod -R 555 /cvmfs
 
 # FIXME This checksum takes a lot of time.
 # Commenting it. Can be substituted by a checksum using cvmfs utilities
 #tar -cf /tmp/cvmfs_checksum.tar /cvmfs && md5sum /tmp/cvmfs_checksum.tar | cut -f1 -d" " > /tmp/cvmfs_checksum && rm /tmp/cvmfs_checksum.tar
-touch /tmp/cvmfs_checksum
 
 # Checksum code in orchestrator dir.
 # This MUST happen before linking the data dir
 # otherwise will take a lot of time to tar
+date
 tar -cf /tmp/bmk_checksum.tar /bmk && md5sum /tmp/bmk_checksum.tar | cut -f1 -d" " >/tmp/bmk_checksum && rm /tmp/bmk_checksum.tar #FIXME
 
 # The data dir has already a checksum in /tmp/bmkdata_checksum
 # generated in nvidia.Dockerfile.1
+date
 if [ ! -d /bmk/./cms-patatrack/data ]; then
     mkdir /bmk/./cms-patatrack/data
 fi
@@ -29,6 +34,7 @@ for file in $(ls /bmk/data); do
     ln -sf /bmk/data/$file /bmk/./cms-patatrack/data/$file
 done
 
+date
 cvmfs_checksum=$(cat /tmp/cvmfs_checksum || echo "NotAvailable") 
 bmkdata_checksum=$(cat /tmp/bmkdata_checksum || echo "NotAvailable") 
 bmk_checksum=$(cat /tmp/bmk_checksum || echo "NotAvailable") 
diff --git a/cms/patatrack/ci-scripts/snapshot_cvmfs.sh b/cms/patatrack/ci-scripts/snapshot_cvmfs.sh
index 0f9caf4e5f1f0bb1a02b45ac284a7fe37d627f86..4cf653363c44ddf57f4284270f001e2b6a97cb42 100644
--- a/cms/patatrack/ci-scripts/snapshot_cvmfs.sh
+++ b/cms/patatrack/ci-scripts/snapshot_cvmfs.sh
@@ -11,7 +11,6 @@ function _before_script() {
 
 function _script() {
     sleep 1m # to give time to cvmfs to start
-    
     echo "CVMFS_EXPORT_DIR is $CVMFS_EXPORT_DIR"
     # check cvmfs is running
     docker exec cvmfs_${CI_JOB_ID} cvmfs_config probe