core: upgrade api server configuration (#787)

* core: upgrade api server configuration

* small fix

* linter fixes

Author: Meer Sawood

bayesian/conf/gunicorn.py

@@ -1,13 +1,12 @@
 """Gunicorn config."""
 # NOTE: Must be before we import or call anything that may be synchronous.
 from gevent import monkey
-
-monkey.patch_all()
-
 import logging
 from bayesian.settings import GUNICORN_SETTINGS, log_all_settings
 from prometheus_flask_exporter.multiprocess import GunicornPrometheusMetrics
 
+monkey.patch_all()
+
 workers = GUNICORN_SETTINGS.workers
 worker_class = GUNICORN_SETTINGS.worker_class
 timeout = GUNICORN_SETTINGS.timeout

openshift/template.yaml

@@ -163,11 +163,11 @@ objects:
             timeoutSeconds: 10
           resources:
             requests:
-              memory: "512Mi"
-              cpu: "500m"
+              memory: ${{MEMORY_REQUEST}}
+              cpu: ${{CPU_REQUEST}}
             limits:
-              memory: "1024Mi"
-              cpu: "1000m"
+              memory: ${{MEMORY_LIMIT}}
+              cpu: ${CPU_LIMIT}
         restartPolicy: Always
     test: false
     triggers:
@@ -246,6 +246,30 @@ parameters:
   name: REPLICAS
   value: "1"
 
+- description: Request Number of CPU cores required by each replica
+  displayName: Request CPU cores
+  required: true
+  name: CPU_REQUEST
+  value: "500m"
+
+- description: Limit Number of CPU cores required by each replica
+  displayName: Limit CPU cores
+  required: true
+  name: CPU_LIMIT
+  value: "3"
+
+- description: Request Memory Required by each replica
+  displayName: Request Memory
+  required: true
+  name: MEMORY_REQUEST
+  value: "512Mi"
+
+- description: Limit Memory Required by each replica
+  displayName: Limit Memory
+  required: true
+  name: MEMORY_LIMIT
+  value: "5Gi"
+
 - description: Batch size for component analysis gremlin query
   displayName: Batch size for component analysis gremlin query
   required: true

setup.cfg

@@ -1,3 +1,2 @@
 [pycodestyle]
-ignore = E121, E126, E402, W504
-max-line-length = 100
+max-line-length = 100