Don't start s snapshot if there is already pending

Author: qualitycodebase

shotty/shotty.py

@@ -15,6 +15,10 @@ def filter_instances(project):
         instances = ec2.instances.all()
 
     return instances
+def has_pending_snapshot(volume):
+    snapshots = list(volume.snapshots.all())
+    return snapshots and snapshots[0].state == 'pending'
+
 
 @click.group()
 def cli():
@@ -91,6 +95,9 @@ def create_snapshots(project):
         i.wait_until_stopped()
 
         for v in i.volumes.all():
+            if has_pending_snapshot(v):
+                print("  Skipping {0}, snapshot already in progress".format(v.id))
+                continue
             print("  Creating snapshot of {0}".format(v.id))
             v.create_snapshot(Description="Created by snapshotanalyzer 2020")