Merge pull request #148 from asmorodskyi/ec2_region_limit

Expose regions in EC2 into config

ocw/lib/EC2.py

@@ -1,5 +1,5 @@
 from .provider import Provider, Image
-from webui.settings import PCWConfig
+from webui.settings import PCWConfig, ConfigFile
 from dateutil.parser import parse
 import boto3
 from botocore.exceptions import ClientError
@@ -17,7 +17,10 @@ class EC2(Provider):
     def __init__(self, namespace: str):
         super().__init__(namespace)
         self.check_credentials()
-        self.all_regions = self.get_all_regions()
+        if PCWConfig.has('default/ec2_regions'):
+            self.all_regions = ConfigFile().getList('default/ec2_regions')
+        else:
+            self.all_regions = self.get_all_regions()
 
     def __new__(cls, vault_namespace):
         if vault_namespace not in EC2.__instances:

templates/pcw.ini

@@ -5,6 +5,8 @@ base-url = https://publiccloud.qa.suse.de
 namespaces = qac
 # true here will make PCW harmless by replacing ALL modification calls to CSP's by log messages.
 dry_run = true
+# limit the scope of regions queried for EC2 . In case not defined all regions will be used
+ec2_regions = eu-central-1, us-west-2
 
 [notify]
 # time frame (hours) during it PCW will ignore running VM .