L2SS-584: Add xenon code complexity analysis with soft fail

.gitlab-ci.yml

@@ -361,6 +361,15 @@ bandit:
   script:
     - cd tangostationcontrol
     - tox -e bandit
+xenon:
+  stage: static-analysis
+  allow_failure: true
+  before_script:
+    - sudo apt-get update
+    - sudo apt-get install -y git
+  script:
+   - cd tangostationcontrol
+   - tox -e xenon
 shellcheck:
   stage: static-analysis
   before_script:

tangostationcontrol/test-requirements.txt

@@ -17,3 +17,4 @@ stestr>=3.0.0 # Apache-2.0
 testscenarios>=0.5.0 # Apache-2.0/BSD
 testtools>=2.4.0 # MIT
 timeout-decorator>=0.5  # MIT
+xenon>=0.8.0 # MIT

tangostationcontrol/tox.ini

@@ -66,6 +66,10 @@ commands =
 commands =
     bandit -r devices/ -n5 -ll -s B104
 
+[testenv:xenon];
+commands =
+    xenon tangostationcontrol -b B -m A -a A
+
 [testenv:docs]
 deps =
     -r{toxinidir}/../docker-compose/lofar-device-base/lofar-requirements.txt